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San Francisco International Airport to Humberto Delgado Airport flight
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San Francisco International Airport to Humberto Delgado Airport Flights Info

Cheapest one-way
HK$2,484
TAP Air Portugal TAP Air Portugal 10h 55m · Nonstop Mon, Nov 30
Book Now
Cheapest round-trip
HK$3,680
Scandinavian Airlines Scandinavian Airlines 15h 35m · 2 stops Tue, Nov 17 - Sat, Nov 21
Book Now
When to fly
October
Cheapest
Recommended airlines
TAP Air Portugal TAP Air PortugalCheapest· From HK$2,484 TAP Air Portugal TAP Air PortugalMost booked

Explore the cheapest one-way and round-trip flights from San Francisco International Airport to Humberto Delgado Airport over the next 90 days, with one-way fares from HK$2,484 and round-trip from HK$3,680. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Mon, Nov 30 | TAP Air Portugal
      HK$2,484 HK$3,829
      35% off
      35% off
      HK$3,829 HK$2,484
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Nov 28 | TAP Air Portugal
      HK$2,500 HK$5,815
      56% off
      56% off
      HK$5,815 HK$2,500
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Fri, Nov 27 | TAP Air Portugal
      HK$2,501 HK$3,829
      35% off
      35% off
      HK$3,829 HK$2,501
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Mon, Nov 30 | TAP Air Portugal
      HK$2,505
      56% off
      HK$5,815 HK$2,505
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Wed, Dec 2 | TAP Air Portugal
      HK$2,548
      33% off
      HK$3,829 HK$2,548
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Nov 25 | TAP Air Portugal
      HK$2,558
      56% off
      HK$5,815 HK$2,558
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Mon, Dec 7 | TAP Air Portugal
      HK$2,679
      30% off
      HK$3,829 HK$2,679
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Dec 5 | TAP Air Portugal
      HK$2,692
      54% off
      HK$5,815 HK$2,692
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Wed, Dec 9 | TAP Air Portugal
      HK$2,762
      28% off
      HK$3,829 HK$2,762
    • SFO 13:00
      17h 25m
      1 stop
      LIS 14:00
      San Francisco - Lisbon | Tue, Nov 17 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      SFO 19:15
      11h 5m
      Nonstop
      LIS 14:20
      San Francisco - Lisbon | Sun, Jan 10 | TAP Air Portugal
      LIS 11:15
      12h 50m
      Nonstop
      SFO 16:05
      Lisbon - San Francisco | Sun, Jan 17 | TAP Air Portugal
      HK$5,300 HK$6,531
      19% off
      19% off
      HK$6,531 HK$5,300
    • SFO 16:45
      15h 35m
      1 stop
      LIS 16:20
      San Francisco - Lisbon | Tue, Nov 17 | Scandinavian Airlines
      LIS 17:55
      28h 55m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Sat, Nov 21 | Scandinavian Airlines
      HK$3,680 HK$6,531
      44% off
      44% off
      HK$6,531 HK$3,680
    • SFO 16:45
      17h 15m
      1 stop
      LIS 18:00
      San Francisco - Lisbon | Mon, Nov 30 | Scandinavian Airlines
      LIS 17:55
      28h 55m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Sat, Dec 5 | Scandinavian Airlines
      HK$3,685 HK$6,531
      44% off
      44% off
      HK$6,531 HK$3,685
    • SFO 16:45
      15h 20m
      1 stop
      LIS 16:05
      San Francisco - Lisbon | Thu, Dec 3 | Scandinavian Airlines
      LIS 18:45
      28h 5m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Tue, Dec 8 | Scandinavian Airlines
      HK$3,685
      44% off
      HK$6,531 HK$3,685
    • SFO 16:45
      15h 20m
      1 stop
      LIS 16:05
      San Francisco - Lisbon | Thu, Nov 19 | Scandinavian Airlines
      LIS 17:00
      29h 50m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Thu, Nov 26 | Scandinavian Airlines
      HK$3,687
      44% off
      HK$6,531 HK$3,687
    • SFO 16:45
      15h 35m
      1 stop
      LIS 16:20
      San Francisco - Lisbon | Tue, Dec 1 | Scandinavian Airlines
      LIS 18:45
      28h 5m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Tue, Dec 8 | Scandinavian Airlines
      HK$3,690
      44% off
      HK$6,531 HK$3,690
    • SFO 16:45
      15h 10m
      1 stop
      LIS 15:55
      San Francisco - Lisbon | Sat, Nov 28 | Scandinavian Airlines
      LIS 17:55
      28h 55m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Sat, Dec 5 | Scandinavian Airlines
      HK$3,690
      44% off
      HK$6,531 HK$3,690
    • SFO 16:45
      16h 20m
      1 stop
      LIS 17:05
      San Francisco - Lisbon | Fri, Dec 4 | Scandinavian Airlines
      LIS 16:55
      29h 55m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Fri, Dec 11 | Scandinavian Airlines
      HK$3,690
      44% off
      HK$6,531 HK$3,690
    • SFO 16:45
      15h 25m
      1 stop
      LIS 16:10
      San Francisco - Lisbon | Wed, Nov 18 | Scandinavian Airlines
      LIS 17:15
      29h 35m
      1 stop
      SFO 14:50
      Lisbon - San Francisco | Wed, Nov 25 | Scandinavian Airlines
      HK$3,692
      43% off
      HK$6,531 HK$3,692
    • SFO 13:00
      17h 25m
      1 stop
      LIS 14:00
      San Francisco - Lisbon | Tue, Nov 17 | Normal Airline
      LIS 15:00
      6h
      Nonstop
      SFO 16:00
      Lisbon - San Francisco | Thu, Nov 19 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Mon, Nov 30 | TAP Air Portugal
      HK$2,484 HK$3,829
      35% off
      35% off
      HK$3,829 HK$2,484
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Nov 28 | TAP Air Portugal
      HK$2,500 HK$5,815
      56% off
      56% off
      HK$5,815 HK$2,500
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Fri, Nov 27 | TAP Air Portugal
      HK$2,501 HK$3,829
      35% off
      35% off
      HK$3,829 HK$2,501
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Mon, Nov 30 | TAP Air Portugal
      HK$2,505
      56% off
      HK$5,815 HK$2,505
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Wed, Dec 2 | TAP Air Portugal
      HK$2,548
      33% off
      HK$3,829 HK$2,548
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Nov 25 | TAP Air Portugal
      HK$2,558
      56% off
      HK$5,815 HK$2,558
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Mon, Dec 7 | TAP Air Portugal
      HK$2,679
      30% off
      HK$3,829 HK$2,679
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Dec 5 | TAP Air Portugal
      HK$2,692
      54% off
      HK$5,815 HK$2,692
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Wed, Dec 9 | TAP Air Portugal
      HK$2,762
      28% off
      HK$3,829 HK$2,762
    • SFO 13:00
      17h 25m
      1 stop
      LIS 14:00
      San Francisco - Lisbon | Tue, Nov 17 | Normal Airline
      More cheap flights
      More cheap flights
    • Cheapest nonstop
      SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Nov 28 | TAP Air Portugal
      HK$2,500 HK$5,968
      57% off
      57% off
      HK$5,968 HK$2,500
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Mon, Nov 30 | TAP Air Portugal
      HK$2,505 HK$5,968
      57% off
      57% off
      HK$5,968 HK$2,505
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Nov 25 | TAP Air Portugal
      HK$2,558 HK$5,968
      56% off
      56% off
      HK$5,968 HK$2,558
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Dec 5 | TAP Air Portugal
      HK$2,692
      55% off
      HK$5,968 HK$2,692
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Mon, Dec 7 | TAP Air Portugal
      HK$2,762
      54% off
      HK$5,968 HK$2,762
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Mon, Nov 23 | TAP Air Portugal
      HK$3,709
      38% off
      HK$5,968 HK$3,709
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Dec 2 | TAP Air Portugal
      HK$3,812
      36% off
      HK$5,968 HK$3,812
    • SFO 19:15
      11h 5m
      Nonstop
      LIS 14:20
      San Francisco - Lisbon | Fri, Nov 27 | TAP Air Portugal
      HK$4,136
      31% off
      HK$5,968 HK$4,136
    • SFO 16:35
      11h 5m
      Nonstop
      LIS 11:40
      San Francisco - Lisbon | Mon, Dec 14 | TAP Air Portugal
      HK$4,684
      22% off
      HK$5,968 HK$4,684
    • SFO 13:00
      17h 25m
      1 stop
      LIS 14:00
      San Francisco - Lisbon | Tue, Nov 17 | Normal Airline
      More cheap flights
      More cheap flights
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Mon, Nov 30 | TAP Air Portugal
      HK$2,484 HK$3,829
      35% off
      35% off
      HK$3,829 HK$2,484
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Nov 28 | TAP Air Portugal
      HK$2,500 HK$5,815
      56% off
      56% off
      HK$5,815 HK$2,500
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Fri, Nov 27 | TAP Air Portugal
      HK$2,501 HK$3,829
      35% off
      35% off
      HK$3,829 HK$2,501
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Nov 25 | TAP Air Portugal
      HK$2,558
      56% off
      HK$5,815 HK$2,558
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Mon, Dec 7 | TAP Air Portugal
      HK$2,679
      30% off
      HK$3,829 HK$2,679
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Sat, Dec 5 | TAP Air Portugal
      HK$2,692
      54% off
      HK$5,815 HK$2,692
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Dec 2 | TAP Air Portugal
      HK$3,812
      34% off
      HK$5,815 HK$3,812
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Nov 25 | Jetblue Airways
      HK$4,331
      79% off
      HK$20,343 HK$4,331
    • SFO 16:35
      10h 55m
      Nonstop
      LIS 11:30
      San Francisco - Lisbon | Wed, Dec 9 | TAP Air Portugal
      HK$4,708
      19% off
      HK$5,815 HK$4,708
    • SFO 13:00
      17h 25m
      1 stop
      LIS 14:00
      San Francisco - Lisbon | Tue, Nov 17 | Normal Airline
      More cheap flights
      More cheap flights
    • SFO 09:00
      15h
      1 stop
      LIS 08:00
      San Francisco - Lisbon | Mon, Nov 16 | Virgin Atlantic
      HK$4,533 HK$12,757
      64% off
      64% off
      HK$12,757 HK$4,533
    • SFO 12:45
      13h 35m
      1 stop
      LIS 10:20
      San Francisco - Lisbon | Mon, Nov 16 | United Airlines
      HK$4,635 HK$12,757
      64% off
      64% off
      HK$12,757 HK$4,635
    • SFO 15:10
      16h
      1 stop
      LIS 15:10
      San Francisco - Lisbon | Mon, Nov 16 | Delta Air Lines
      HK$4,678 HK$12,757
      63% off
      63% off
      HK$12,757 HK$4,678
    • SFO 09:00
      15h
      1 stop
      LIS 08:00
      San Francisco - Lisbon | Tue, Nov 17 | Virgin Atlantic
      HK$4,593
      64% off
      HK$12,757 HK$4,593
    • SFO 09:00
      15h
      1 stop
      LIS 08:00
      San Francisco - Lisbon | Tue, Nov 17 | Delta Air Lines
      HK$4,593
      64% off
      HK$12,757 HK$4,593
    • SFO 10:50
      15h 30m
      1 stop
      LIS 10:20
      San Francisco - Lisbon | Tue, Nov 17 | United Airlines
      HK$4,513
      65% off
      HK$12,757 HK$4,513
    • SFO 08:25
      14h 20m
      1 stop
      LIS 06:45
      San Francisco - Lisbon | Wed, Nov 18 | Air Canada
      HK$3,788
      70% off
      HK$12,757 HK$3,788
    • SFO 09:00
      15h
      1 stop
      LIS 08:00
      San Francisco - Lisbon | Wed, Nov 18 | Delta Air Lines
      HK$4,665
      63% off
      HK$12,757 HK$4,665
    • SFO 09:00
      15h
      1 stop
      LIS 08:00
      San Francisco - Lisbon | Wed, Nov 18 | Air France
      HK$4,846
      62% off
      HK$12,757 HK$4,846
    • SFO 13:00
      17h 25m
      1 stop
      LIS 14:00
      San Francisco - Lisbon | Tue, Nov 17 | Normal Airline
      More cheap flights
      More cheap flights

Displayed flight fares from San Francisco to Lisbon are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from San Francisco International Airport to Humberto Delgado Airport?

The cheapest airline flying from San Francisco International Airport to Humberto Delgado Airport is TAP Air Portugal (from HK$2,484) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
TAP Air Portugal logo TAP Air Portugal

Trip.com Price Insights: Flights from San Francisco International Airport to Humberto Delgado Airport

Which month offers the lowest one-way fares when flying from San Francisco International Airport to Humberto Delgado Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from San Francisco International Airport to Humberto Delgado Airport on Trip.com.

Based on Trip.com data from the past 12 months, for cheaper one-way flights from San Francisco International Airport to Humberto Delgado Airport, it is best to book in October, when average fares are HK$3,298. Try to avoid June, as fares peak at around HK$6,332.

HK$6,332
HK$4,815
HK$3,298
HK$1,781
    Cheapest
  • HK$4,912
    Apr
  • HK$5,689
    May
  • HK$6,332
    Jun
  • HK$4,616
    Jul
  • HK$4,887
    Aug
  • HK$4,328
    Sep
  • HK$3,298
    Oct
  • HK$4,491
    Nov
  • HK$5,285
    Dec
  • HK$3,846
    Jan
  • HK$4,513
    Feb
  • HK$3,884
    Mar

Which day of the week offers the cheapest flights from San Francisco International Airport to Humberto Delgado Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from San Francisco International Airport to Humberto Delgado Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from San Francisco International Airport to Humberto Delgado Airport is Tuesday, when average fares are usually lower than other days. Avoid departing on Sunday, as fares are typically the highest.

HK$6,659
HK$5,233
HK$3,806
HK$2,380
  • HK$4,304
    Mon
  • HK$3,806
    Tue
  • HK$4,876
    Wed
  • HK$4,038
    Thu
  • HK$5,144
    Fri
  • HK$5,354
    Sat
  • HK$6,659
    Sun

What is the flight schedule from San Francisco International Airport to Humberto Delgado Airport?

Check on the flight schedule from San Francisco to Lisbon to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. TP238

    San Francisco International Airport

    19:15

    SFO

    11h 5m

    14:20

    LIS

    - - T - T F -
    Search

  2. DL383

    San Francisco International Airport

    09:10

    SFO

    5h 34m

    Nonstop

    17:44

    JFK

    S M T W T F S
    Search

  3. VS3895

    John F. Kennedy International Airport

    19:50

    JFK

    7h 10m

    Nonstop

    08:00

    LIS

    S M T W T F S

  4. KL5639

    San Francisco International Airport

    00:15

    SFO

    5h 25m

    Nonstop

    08:40

    JFK

    S M T W T F S
    Search

  5. KL6091

    John F. Kennedy International Airport

    19:50

    JFK

    7h 10m

    Nonstop

    08:00

    LIS

    S M T W T F S

  6. DL8759

    San Francisco International Airport

    15:10

    SFO

    11h

    Nonstop

    11:10

    CDG

    S M T W T F S
    Search

  7. DL8296

    Paris Charles de Gaulle Airport

    13:25

    CDG

    2h 45m

    Nonstop

    15:10

    LIS

    S M T W T F S

  8. AC756

    San Francisco International Airport

    08:25

    SFO

    5h 21m

    Nonstop

    16:46

    YUL

    S M T W T F S
    Search

  9. AC812

    Montréal-Pierre Elliott Trudeau International Airport

    21:15

    YUL

    6h 40m

    Nonstop

    08:55

    LIS

    S - T - T F -

  10. AC756

    San Francisco International Airport

    08:25

    SFO

    5h 21m

    Nonstop

    16:46

    YUL

    S M T W T F S
    Search

  11. AC834

    Montréal-Pierre Elliott Trudeau International Airport

    18:50

    YUL

    7h 10m

    Nonstop

    08:00

    MAD

    S M T - T F -

  12. U27640

    Madrid Barajas Airport

    09:50

    MAD

    1h 25m

    Nonstop

    10:15

    LIS

    S M T W T F S

  13. DL400

    San Francisco International Airport

    07:00

    SFO

    5h 43m

    Nonstop

    15:43

    BOS

    S M T W T F S
    Search

  14. DL124

    Boston Logan International Airport

    23:25

    BOS

    6h 20m

    Nonstop

    10:45

    LIS

    S M T W T F S

  15. AC756

    San Francisco International Airport

    08:25

    SFO

    5h 21m

    Nonstop

    16:46

    YUL

    S M T W T F S
    Search

  16. AC834

    Montréal-Pierre Elliott Trudeau International Airport

    18:50

    YUL

    7h 10m

    Nonstop

    08:00

    MAD

    S M T - T F -

  17. TP1013

    Madrid Barajas Airport

    12:10

    MAD

    1h 25m

    Nonstop

    12:35

    LIS

    S M T W T F S

  18. AC756

    San Francisco International Airport

    08:25

    SFO

    5h 21m

    Nonstop

    16:46

    YUL

    S M T W T F S
    Search

  19. AC822

    Montréal-Pierre Elliott Trudeau International Airport

    20:20

    YUL

    7h 15m

    Nonstop

    09:35

    BCN

    - M T W T F S

  20. VY1146

    Josep Tarradellas Barcelona-El Prat Airport

    12:15

    BCN

    2h 10m

    Nonstop

    13:25

    LIS

    S M T W T F S

  21. B61734

    San Francisco International Airport

    10:20

    SFO

    5h 46m

    Nonstop

    19:06

    BOS

    S M T W T - S
    Search

  22. B6033

    Boston Logan International Airport

    21:21

    BOS

    7h 9m

    Nonstop

    10:30

    CDG

    S M T W T F S

  23. FR1084

    Tille Airport Beauvais

    16:45

    BVA

    2h 35m

    Nonstop

    18:20

    LIS

    S M T W T F -
Find more flights and airlines

FAQs for San Francisco International Airport to Humberto Delgado Airport Flights

  • How long is the flight from San Francisco International Airport to Humberto Delgado Airport?

    San Francisco International Airport to Humberto Delgado Airport takes about 10 hours 11 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from San Francisco International Airport (SFO) to Humberto Delgado Airport (LIS).
  • The earliest flight from San Francisco International Airport to Humberto Delgado Airport departs at 16:35, and the last departs at 19:15, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Francisco International Airport (SFO) to Humberto Delgado Airport (LIS) is quite popular. Without considering departure times or holidays, tickets cost around HK$7,443 in December, the most expensive month to book this route.
  • The latest flight departs from San Francisco International Airport at 20:10 and arrives in Humberto Delgado Airport at 14:15.
    • The distance from Humberto Delgado Airport to downtown is about 6 km, by taxi about 20 minutes.
  • The closest airport to Humberto Delgado Airport (LIS) is Flores Airport. The distance is around 44 km.
  • TAP Air Portugal is a very popular airline operating an average of 1273 flights per month.
  • One-way flights from San Francisco International Airport to Humberto Delgado Airport currently start from HK$2,484, and round-trip fares start from HK$3,680. The current lowest fare is a TAP Air Portugal flight departing on Mon, Nov 30; prices may vary depending on availability.
  • Yes. TAP Air Portugal operate direct flights from San Francisco International Airport to Humberto Delgado Airport, with an average flight time of 10 hours 30 minutes, and around 3 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from San Francisco International Airport to Humberto Delgado Airport is HK$5,550. Prices may vary depending on the departure date, airline, and availability.
  • Jetblue Airways are the most popular budget airlines flying from San Francisco International Airport to Humberto Delgado Airport, with one-way fares starting from HK$2,484. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Francisco International Airport to Humberto Delgado Airport operates around 3 weekly flights, mainly by TAP Air Portugal. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Francisco International Airport and Humberto Delgado Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.