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Buffalo Niagara International Airport to San Francisco International Airport flight

Explore the cheapest one-way and round-trip flights from Buffalo Niagara International Airport to San Francisco International Airport over the next 90 days, with one-way fares from HK$671 and round-trip from HK$2,280. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      BUF 13:48
      9h 52m
      1 stop
      SFO 20:40
      Buffalo - San Francisco | Sat, Nov 14 | Frontier Airlines
      HK$671 HK$2,123
      68% off
      68% off
      HK$2,123 HK$671
    • BUF 13:48
      9h 52m
      1 stop
      SFO 20:40
      Buffalo - San Francisco | Wed, Nov 4 | Frontier Airlines
      HK$809 HK$2,123
      62% off
      62% off
      HK$2,123 HK$809
    • BUF 19:24
      8h 55m
      1 stop
      SFO 01:19
      Buffalo - San Francisco | Tue, Dec 8 | Delta Air Lines
      HK$959 HK$2,123
      55% off
      55% off
      HK$2,123 HK$959
    • BUF 13:48
      9h 52m
      1 stop
      SFO 20:40
      Buffalo - San Francisco | Wed, Nov 11 | Frontier Airlines
      HK$978
      54% off
      HK$2,123 HK$978
    • BUF 15:55
      10h 7m
      1 stop
      SFO 23:02
      Buffalo - San Francisco | Sat, Nov 14 | Delta Air Lines
      HK$982
      54% off
      HK$2,123 HK$982
    • BUF 17:20
      9h 36m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Wed, Nov 4 | Delta Air Lines
      HK$989
      53% off
      HK$2,123 HK$989
    • BUF 18:55
      8h 20m
      1 stop
      SFO 00:15
      Buffalo - San Francisco | Tue, Oct 20 | Delta Air Lines
      HK$1,148
      46% off
      HK$2,123 HK$1,148
    • BUF 18:55
      8h 1m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Fri, Oct 23 | Delta Air Lines
      HK$1,181
      59% off
      HK$2,909 HK$1,181
    • BUF 18:55
      8h 1m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Wed, Oct 28 | Delta Air Lines
      HK$1,196
      44% off
      HK$2,123 HK$1,196
    • BUF 13:00
      17h 25m
      1 stop
      SFO 14:00
      Buffalo - San Francisco | Sat, Oct 17 | Normal Airline
      More cheap flights
      More cheap flights
    • BUF 07:00
      11h 5m
      1 stop
      SFO 15:05
      Buffalo - San Francisco | Tue, Nov 3 | Delta Air Lines
      SFO 22:17
      11h 46m
      1 stop
      BUF 13:03
      San Francisco - Buffalo | Fri, Nov 6 | Frontier Airlines
      HK$2,280 HK$3,160
      28% off
      28% off
      HK$3,160 HK$2,280
    • BUF 16:04
      10h 52m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Tue, Oct 27 | Delta Air Lines
      SFO 20:50
      10h 48m
      1 stop
      BUF 10:38
      San Francisco - Buffalo | Sat, Oct 31 | Delta Air Lines
      HK$2,312 HK$3,160
      27% off
      27% off
      HK$3,160 HK$2,312
    • BUF 17:20
      9h 36m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Fri, Nov 6 | Delta Air Lines
      SFO 23:30
      8h 46m
      1 stop
      BUF 11:16
      San Francisco - Buffalo | Sun, Nov 8 | Delta Air Lines
      HK$2,389 HK$3,160
      24% off
      24% off
      HK$3,160 HK$2,389
    • BUF 11:24
      7h 58m
      1 stop
      SFO 16:22
      Buffalo - San Francisco | Tue, Oct 27 | American Airlines
      SFO 23:36
      8h 13m
      1 stop
      BUF 10:49
      San Francisco - Buffalo | Sat, Oct 31 | American Airlines
      HK$2,482
      21% off
      HK$3,160 HK$2,482
    • BUF 08:00
      7h 41m
      1 stop
      SFO 12:41
      Buffalo - San Francisco | Sun, Dec 13 | American Airlines
      SFO 23:39
      8h 9m
      1 stop
      BUF 10:48
      San Francisco - Buffalo | Sun, Dec 20 | American Airlines
      HK$2,546
      19% off
      HK$3,160 HK$2,546
    • BUF 11:26
      7h 53m
      1 stop
      SFO 16:19
      Buffalo - San Francisco | Mon, Dec 14 | American Airlines
      SFO 07:13
      7h 52m
      1 stop
      BUF 18:05
      San Francisco - Buffalo | Sun, Dec 20 | American Airlines
      HK$2,546
      19% off
      HK$3,160 HK$2,546
    • BUF 11:26
      7h 56m
      1 stop
      SFO 16:22
      Buffalo - San Francisco | Tue, Nov 3 | American Airlines
      SFO 23:39
      8h 9m
      1 stop
      BUF 10:48
      San Francisco - Buffalo | Fri, Nov 6 | American Airlines
      HK$2,554
      19% off
      HK$3,160 HK$2,554
    • BUF 06:00
      11h 14m
      1 stop
      SFO 14:14
      Buffalo - San Francisco | Fri, Nov 6 | American Airlines
      SFO 07:11
      7h 55m
      1 stop
      BUF 18:06
      San Francisco - Buffalo | Sun, Nov 8 | American Airlines
      HK$2,554
      19% off
      HK$3,160 HK$2,554
    • BUF 09:15
      8h 18m
      1 stop
      SFO 14:33
      Buffalo - San Francisco | Sun, Dec 13 | Delta Air Lines
      SFO 22:40
      9h 44m
      1 stop
      BUF 11:24
      San Francisco - Buffalo | Sun, Dec 20 | Delta Air Lines
      HK$2,559
      19% off
      HK$3,160 HK$2,559
    • BUF 13:00
      17h 25m
      1 stop
      SFO 14:00
      Buffalo - San Francisco | Sat, Oct 17 | Normal Airline
      SFO 15:00
      6h
      Nonstop
      BUF 16:00
      San Francisco - Buffalo | Mon, Oct 19 | Normal Airline
      More cheap flights
      More cheap flights
    • BUF 18:55
      8h 1m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Fri, Oct 23 | Delta Air Lines
      HK$1,181 HK$2,909
      59% off
      59% off
      HK$2,909 HK$1,181
    • BUF 18:49
      8h 18m
      1 stop
      SFO 00:07
      Buffalo - San Francisco | Wed, Dec 2 | American Airlines
      HK$1,253 HK$2,909
      56% off
      56% off
      HK$2,909 HK$1,253
    • BUF 07:52
      7h 59m
      1 stop
      SFO 12:51
      Buffalo - San Francisco | Mon, Nov 23 | American Airlines
      HK$1,291 HK$2,909
      56% off
      56% off
      HK$2,909 HK$1,291
    • BUF 11:17
      8h 10m
      1 stop
      SFO 16:27
      Buffalo - San Francisco | Thu, Nov 19 | American Airlines
      HK$1,311
      55% off
      HK$2,909 HK$1,311
    • BUF 12:55
      8h 33m
      1 stop
      SFO 18:28
      Buffalo - San Francisco | Tue, Oct 20 | American Airlines
      HK$2,231
      23% off
      HK$2,909 HK$2,231
    • BUF 18:55
      8h 1m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Wed, Oct 21 | Delta Air Lines
      HK$2,348
      19% off
      HK$2,909 HK$2,348
    • BUF 13:00
      17h 25m
      1 stop
      SFO 14:00
      Buffalo - San Francisco | Sat, Oct 17 | Normal Airline
      More cheap flights
      More cheap flights
    • BUF 12:55
      8h 33m
      1 stop
      SFO 18:28
      Buffalo - San Francisco | Tue, Oct 20 | American Airlines
      HK$2,231 HK$2,909
      23% off
      23% off
      HK$2,909 HK$2,231
    • BUF 18:55
      8h 1m
      1 stop
      SFO 23:56
      Buffalo - San Francisco | Wed, Oct 21 | Delta Air Lines
      HK$2,348 HK$2,909
      19% off
      19% off
      HK$2,909 HK$2,348
    • BUF 13:00
      17h 25m
      1 stop
      SFO 14:00
      Buffalo - San Francisco | Sat, Oct 17 | Normal Airline
      More cheap flights
      More cheap flights
    • BUF 08:50
      7h 22m
      1 stop
      SFO 13:12
      Buffalo - San Francisco | Wed, Nov 11 | United Airlines
      HK$1,606 HK$3,462
      54% off
      54% off
      HK$3,462 HK$1,606
    • BUF 13:00
      17h 25m
      1 stop
      SFO 14:00
      Buffalo - San Francisco | Sat, Oct 17 | Normal Airline
      More cheap flights
      More cheap flights

Displayed flight fares from Buffalo to San Francisco 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 Buffalo Niagara International Airport to San Francisco International Airport?

The cheapest airline flying from Buffalo Niagara International Airport to San Francisco International Airport is Frontier Airlines (from HK$671) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$671
Delta Air Lines
From HK$959
American Airlines
From HK$1,252
United Airlines
From HK$1,303
Hahn Air
From HK$1,325
Jetblue Airways
From HK$1,997
Alaska Airlines
From HK$3,219

Find more flights and airlines

What is the flight schedule from Buffalo Niagara International Airport to San Francisco International Airport?

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2898

    Buffalo Niagara International Airport

    06:25

    BUF

    1h 19m

    Nonstop

    07:44

    DTW

    S M T W T F S
    Search

  2. DL361

    Detroit Metropolitan Wayne County Airport

    08:25

    DTW

    5h 18m

    Nonstop

    10:43

    SFO

    S M T W T F S

  3. DL2050

    Buffalo Niagara International Airport

    19:40

    BUF

    2h 18m

    Nonstop

    21:58

    ATL

    S M T W T - S
    Search

  4. DL656

    Hartsfield–Jackson Atlanta International Airport

    21:55

    ATL

    5h 20m

    Nonstop

    00:15

    SFO

    S M T W T F S

  5. DL3841

    Buffalo Niagara International Airport

    09:06

    BUF

    1h 17m

    Nonstop

    10:23

    DTW

    S M T W T F S
    Search

  6. DL469

    Detroit Metropolitan Wayne County Airport

    12:15

    DTW

    5h 12m

    Nonstop

    14:27

    SFO

    S M T W T F S

  7. DL2266

    Buffalo Niagara International Airport

    17:24

    BUF

    2h 25m

    Nonstop

    19:49

    ATL

    S M T W - F S
    Search

  8. DL545

    Hartsfield–Jackson Atlanta International Airport

    20:30

    ATL

    5h 21m

    Nonstop

    22:51

    SFO

    S M T W T F S

  9. AA5800

    Buffalo Niagara International Airport

    13:11

    BUF

    1h 29m

    Nonstop

    14:40

    PHL

    S M - W T F -
    Search

  10. AA1528

    Philadelphia International Airport

    15:36

    PHL

    6h 15m

    Nonstop

    18:51

    SFO

    S M T W T F S

  11. DL5250

    Buffalo Niagara International Airport

    19:50

    BUF

    1h 40m

    Nonstop

    21:30

    JFK

    S M T W T F S
    Search

  12. DL1732

    John F. Kennedy International Airport

    21:30

    JFK

    6h 43m

    Nonstop

    01:13

    SFO

    S - - W T - S

  13. DL2266

    Buffalo Niagara International Airport

    17:24

    BUF

    2h 25m

    Nonstop

    19:49

    ATL

    S M T W - F S
    Search

  14. DL656

    Hartsfield–Jackson Atlanta International Airport

    21:55

    ATL

    5h 20m

    Nonstop

    00:15

    SFO

    S M T W T F S

  15. AA3664

    Buffalo Niagara International Airport

    11:26

    BUF

    2h 3m

    Nonstop

    12:29

    ORD

    - - - - - F -
    Search

  16. AA1253

    O'Hare International Airport

    13:30

    ORD

    4h 56m

    Nonstop

    16:26

    SFO

    S M T W T F S

  17. F91407

    Buffalo Niagara International Airport

    13:44

    BUF

    2h 27m

    Nonstop

    16:11

    ATL

    S - T - T F -
    Search

  18. F91447

    Hartsfield–Jackson Atlanta International Airport

    15:28

    ATL

    5h 27m

    Nonstop

    17:55

    SFO

    S M T W T F S

  19. DL3847

    Buffalo Niagara International Airport

    15:53

    BUF

    1h 16m

    Nonstop

    17:09

    DTW

    S M T W T F S
    Search

  20. DL1327

    Detroit Metropolitan Wayne County Airport

    20:20

    DTW

    5h 19m

    Nonstop

    22:39

    SFO

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

About Buffalo Niagara International Airport and San Francisco International Airport

Learn about Buffalo Niagara International Airport (BUF) and San Francisco International Airport (SFO) — including location, terminals, transportation, and travel tips.

Flight distance 3,712.57 km
Cheapest one-way ticket price HK$671
Cheapest return ticket price HK$2,280

FAQs for Buffalo Niagara International Airport to San Francisco International Airport Flights

  • How long is the flight from Buffalo Niagara International Airport to San Francisco International Airport?

    Buffalo Niagara International Airport to San Francisco International Airport takes about 9 hours 9 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from Buffalo Niagara International Airport (BUF) to San Francisco International Airport (SFO).
  • The earliest flight from Buffalo Niagara International Airport to San Francisco International Airport departs at 07:00, and the last departs at 07:00, 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 Buffalo Niagara International Airport (BUF) to San Francisco International Airport (SFO) is quite popular. Without considering departure times or holidays, tickets cost around HK$4,039 in November, the most expensive month to book this route.
  • The earliest flight departs from Buffalo Niagara International Airport at 06:00 and arrives in San Francisco International Airport at 12:10.
    • The distance from San Francisco International Airport to downtown is about 17 km, by taxi about 30 minutes.
  • The closest airport to San Francisco International Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17 km.
  • United Airlines is a very popular airline operating an average of 1 flights per month.
  • One-way flights from Buffalo Niagara International Airport to San Francisco International Airport currently start from HK$671, and round-trip fares start from HK$2,280. The current lowest fare is a Frontier Airlines flight departing on Sat, Nov 14; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Buffalo Niagara International Airport to San Francisco International Airport, with an average flight time of 9 hours 4 minutes, and around 7 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 Buffalo Niagara International Airport to San Francisco International Airport is HK$1,905. Prices may vary depending on the departure date, airline, and availability.
  • Buffalo Niagara International Airport to San Francisco International Airport operates around 7 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Buffalo Niagara International Airport and San Francisco International 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.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

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.