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Humberto Delgado Airport to Dulles International Airport flight

Search for flights from Lisbon to Washington D.C.. Find affordable one-way or round-trip flights.

      • Cheapest nonstop
        LIS 12:20
        7h 55m
        Nonstop
        IAD 15:15
        Lisbon - Washington D.C. | Fri, Sep 4 | Lufthansa
        IAD 22:25
        7h 5m
        Nonstop
        LIS 10:30
        Washington D.C. - Lisbon | Mon, Sep 7 | Lufthansa
        US$584 US$752
        22% off
        22% off
        US$752 US$584
      • LIS 10:55
        8h 30m
        Nonstop
        IAD 14:25
        Lisbon - Washington D.C. | Sat, Sep 12 | TAP Air Portugal
        IAD 22:35
        7h 20m
        Nonstop
        LIS 10:55
        Washington D.C. - Lisbon | Mon, Sep 14 | TAP Air Portugal
        US$586 US$752
        22% off
        22% off
        US$752 US$586
      • LIS 06:35
        13h 55m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Fri, Aug 28 | American Airlines
        DCA 13:55
        14h 10m
        1 stop
        LIS 09:05
        Washington D.C. - Lisbon | Sun, Aug 30 | American Airlines
        US$493 US$752
        34% off
        34% off
        US$752 US$493
      • LIS 08:55
        11h 35m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Wed, Aug 12 | American Airlines
        DCA 13:55
        14h 10m
        1 stop
        LIS 09:05
        Washington D.C. - Lisbon | Wed, Aug 19 | American Airlines
        US$523
        30% off
        US$752 US$523
      • LIS 06:35
        13h 55m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Fri, Aug 28 | Iberia
        IAD 17:00
        13h 50m
        1 stop
        LIS 11:50
        Washington D.C. - Lisbon | Sun, Aug 30 | Iberia
        US$533
        28% off
        US$752 US$533
      • LIS 08:25
        15h 25m
        1 stop
        IAD 18:50
        Lisbon - Washington D.C. | Thu, Oct 1 | American Airlines
        IAD 17:00
        13h 50m
        1 stop
        LIS 11:50
        Washington D.C. - Lisbon | Mon, Oct 5 | American Airlines
        US$534
        28% off
        US$752 US$534
      • LIS 07:25
        13h 40m
        1 stop
        IAD 16:05
        Lisbon - Washington D.C. | Fri, Aug 28 | Air Canada
        IAD 15:45
        12h 35m
        1 stop
        LIS 09:20
        Washington D.C. - Lisbon | Sun, Aug 30 | Air Canada
        US$542
        28% off
        US$752 US$542
      • LIS 07:25
        13h 40m
        1 stop
        IAD 16:05
        Lisbon - Washington D.C. | Fri, Aug 28 | United Airlines
        DCA 06:00
        22h 20m
        1 stop
        LIS 09:20
        Washington D.C. - Lisbon | Sun, Aug 30 | Air Canada
        US$543
        28% off
        US$752 US$543
      • LIS 05:05
        13h 30m
        1 stop
        IAD 13:35
        Lisbon - Washington D.C. | Thu, Sep 3 | United Airlines
        DCA 06:00
        22h 20m
        1 stop
        LIS 09:20
        Washington D.C. - Lisbon | Sun, Sep 6 | United Airlines
        US$545
        28% off
        US$752 US$545
      • LIS 05:05
        19h 55m
        1 stop
        IAD 20:00
        Lisbon - Washington D.C. | Thu, Sep 3 | Air Canada
        IAD 17:40
        10h 40m
        1 stop
        LIS 09:20
        Washington D.C. - Lisbon | Sun, Sep 6 | United Airlines
        US$545
        28% off
        US$752 US$545
      • LIS 05:05
        19h 55m
        1 stop
        IAD 20:00
        Lisbon - Washington D.C. | Thu, Sep 3 | Lufthansa
        DCA 06:00
        22h 20m
        1 stop
        LIS 09:20
        Washington D.C. - Lisbon | Sun, Sep 6 | Air Canada
        US$549
        27% off
        US$752 US$549
      • LIS 08:25
        15h 25m
        1 stop
        IAD 18:50
        Lisbon - Washington D.C. | Thu, Oct 1 | Iberia
        IAD 17:00
        18h 5m
        1 stop
        LIS 16:05
        Washington D.C. - Lisbon | Mon, Oct 5 | Iberia
        US$552
        27% off
        US$752 US$552
      • LIS 13:00
        17h 25m
        1 stop
        WAS 14:00
        Lisbon - Washington D.C. | Sun, Aug 9 | Normal Airline
        WAS 15:00
        6h
        Nonstop
        LIS 16:00
        Washington D.C. - Lisbon | Tue, Aug 11 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        LIS 17:15
        8h 20m
        Nonstop
        IAD 20:35
        Lisbon - Washington D.C. | Thu, Sep 3 | TAP Air Portugal
        US$468 US$602
        22% off
        22% off
        US$602 US$468
      • LIS 11:40
        8h 30m
        Nonstop
        IAD 15:10
        Lisbon - Washington D.C. | Wed, Sep 2 | TAP Air Portugal
        US$469 US$602
        22% off
        22% off
        US$602 US$469
      • LIS 06:35
        13h 55m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Sat, Aug 29 | Iberia
        US$365 US$602
        39% off
        39% off
        US$602 US$365
      • LIS 08:25
        15h 25m
        1 stop
        IAD 18:50
        Lisbon - Washington D.C. | Wed, Sep 9 | Iberia
        US$365
        39% off
        US$602 US$365
      • LIS 08:25
        15h 30m
        1 stop
        IAD 18:55
        Lisbon - Washington D.C. | Fri, Sep 18 | Iberia
        US$367
        39% off
        US$602 US$367
      • LIS 06:35
        13h 55m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Sat, Sep 26 | Iberia
        US$368
        39% off
        US$602 US$368
      • LIS 08:25
        15h 25m
        1 stop
        IAD 18:50
        Lisbon - Washington D.C. | Wed, Aug 26 | Iberia
        US$368
        39% off
        US$602 US$368
      • LIS 06:35
        13h 55m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Sun, Aug 30 | Iberia
        US$369
        39% off
        US$602 US$369
      • LIS 08:25
        15h 25m
        1 stop
        IAD 18:50
        Lisbon - Washington D.C. | Wed, Sep 30 | Iberia
        US$370
        39% off
        US$602 US$370
      • LIS 08:55
        11h 35m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Thu, Sep 17 | Iberia
        US$373
        38% off
        US$602 US$373
      • LIS 20:45
        23h 45m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Sat, Sep 19 | Iberia
        US$377
        37% off
        US$602 US$377
      • LIS 20:45
        23h 45m
        1 stop
        IAD 15:30
        Lisbon - Washington D.C. | Mon, Sep 21 | Iberia
        US$379
        37% off
        US$602 US$379
      • LIS 13:00
        17h 25m
        1 stop
        WAS 14:00
        Lisbon - Washington D.C. | Sun, Aug 9 | Normal Airline
        More cheap flights
        More cheap flights

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

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

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

Based on Trip.com data from the past 12 months, for cheaper one-way flights from Humberto Delgado Airport to Dulles International Airport, it is best to book in October, when average fares are US$476. Try to avoid December, as fares peak at around US$811.

US$811
US$644
US$476
US$309
    Cheapest
  • US$569
    May
  • US$696
    Jun
  • US$765
    Jul
  • US$722
    Aug
  • US$518
    Sep
  • US$476
    Oct
  • US$632
    Nov
  • US$811
    Dec
  • US$658
    Jan
  • US$671
    Feb
  • US$599
    Mar
  • US$536
    Apr

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

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

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

US$953
US$732
US$510
US$289
    Cheapest
  • US$677
    Mon
  • US$953
    Tue
  • US$510
    Wed
  • US$575
    Thu
  • US$588
    Fri
  • US$651
    Sat
  • US$680
    Sun

Selected Airlines from Humberto Delgado Airport to Dulles International Airport

View airlines operating flights from Lisbon to Washington D.C.. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.

Iberia
From US$365
WestJet
From US$413
American Airlines
From US$415
British Airways
From US$433
Ryanair
From US$435
TAP Air Portugal
From US$436
Finnair
From US$437
easyJet
From US$445
Air Europa
From US$487
Air Transat
From US$490

Find more flights and airlines

Flight Schedule from Humberto Delgado Airport to Dulles International Airport

Check on the flight schedule from Lisbon to Washington D.C. to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA8543

    Humberto Delgado Airport

    08:25

    LIS

    1h 25m

    Nonstop

    10:50

    MAD

    S M T W T F -
    Search

  2. AA8729

    Madrid Barajas Airport

    12:20

    MAD

    9h 10m

    Nonstop

    15:30

    IAD

    S M T W T F S

  3. IB540

    Humberto Delgado Airport

    06:35

    LIS

    1h 25m

    Nonstop

    09:00

    MAD

    S M T W T F S
    Search

  4. IB361

    Madrid Barajas Airport

    12:20

    MAD

    9h 10m

    Nonstop

    15:30

    IAD

    S M T W T F S

  5. IB540

    Humberto Delgado Airport

    06:35

    LIS

    1h 25m

    Nonstop

    09:00

    MAD

    S M T W T F S
    Search

  6. AA8729

    Madrid Barajas Airport

    12:20

    MAD

    9h 10m

    Nonstop

    15:30

    IAD

    S M T W T F S

  7. IB530

    Humberto Delgado Airport

    08:25

    LIS

    1h 25m

    Nonstop

    10:50

    MAD

    S M T W T F -
    Search

  8. IB361

    Madrid Barajas Airport

    12:20

    MAD

    9h 10m

    Nonstop

    15:30

    IAD

    S M T W T F S

  9. IB540

    Humberto Delgado Airport

    06:35

    LIS

    1h 25m

    Nonstop

    09:00

    MAD

    S M T W T F S
    Search

  10. BA4257

    Madrid Barajas Airport

    12:40

    MAD

    9h 40m

    Nonstop

    16:20

    IAD

    S M T W T F S

  11. AA8542

    Humberto Delgado Airport

    06:35

    LIS

    1h 25m

    Nonstop

    09:00

    MAD

    S M T W T F S
    Search

  12. AA8729

    Madrid Barajas Airport

    12:20

    MAD

    9h 10m

    Nonstop

    15:30

    IAD

    S M T W T F S

  13. WS033

    Humberto Delgado Airport

    06:15

    LIS

    6h 40m

    Nonstop

    08:55

    YHZ

    S M - W - F S
    Search

  14. DL6942

    Halifax Stanfield International Airport

    15:30

    YHZ

    2h 45m

    Nonstop

    17:15

    DTW

    - - - W - - -

  15. DL3988

    Detroit Metropolitan Wayne County Airport

    21:50

    DTW

    1h 36m

    Nonstop

    23:26

    IAD

    S M T W T F S

  16. U27689

    Humberto Delgado Airport

    19:35

    LIS

    1h 20m

    Nonstop

    21:55

    MAD

    - - T - T F S
    Search

  17. AV047

    Madrid Barajas Airport

    02:20

    MAD

    10h 20m

    Nonstop

    05:40

    BOG

    S M T W T F S

  18. AV246

    El Dorado International Airport

    07:40

    BOG

    5h 35m

    Nonstop

    14:15

    IAD

    S M T W T F S

  19. IB1146

    Humberto Delgado Airport

    20:45

    LIS

    1h 25m

    Nonstop

    23:10

    MAD

    S M T W T - S
    Search

  20. IB361

    Madrid Barajas Airport

    12:20

    MAD

    9h 10m

    Nonstop

    15:30

    IAD

    S M T W T F S

  21. TP1020

    Humberto Delgado Airport

    17:55

    LIS

    1h 25m

    Nonstop

    20:20

    MAD

    S M T W - F S
    Search

  22. AV047

    Madrid Barajas Airport

    02:20

    MAD

    10h 20m

    Nonstop

    05:40

    BOG

    S M T W T F S

  23. AV246

    El Dorado International Airport

    07:40

    BOG

    5h 35m

    Nonstop

    14:15

    IAD

    S M T W T F S
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Humberto Delgado Airport to Dulles International Airport Flights Info

Flight distance 5,772.34 km
Cheapest one-way ticket price US$365
Cheapest return ticket price US$493

FAQs for Humberto Delgado Airport to Dulles International Airport Flights

  • How long is a flight from Humberto Delgado Airport (LIS) to Dulles International Airport (IAD)?

    It takes around 8 hours 16 minutes to fly from Humberto Delgado Airport (lis) to Dulles International Airport (iad).
  • There are around 4 daily flights from Humberto Delgado Airport (LIS) to Dulles International Airport (IAD).
  • Tickets cost around US$741 in October, making it the cheapest month to book. Humberto Delgado Airport (LIS) to Dulles International Airport (IAD) is a popular route, so don't forget to book your tickets in advance.
  • The route from Humberto Delgado Airport (LIS) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around US$927 in August, the most expensive month to book this route.
  • The earliest flight departs from Humberto Delgado Airport at 09:15 and arrives in Dulles International Airport at 14:00.
  • The latest flight departs from Humberto Delgado Airport at 17:15 and arrives in Dulles International Airport at 22:00.
  • TAP Air Portugal is a very popular airline operating an average of 1190 flights per month.

Popular Destinations

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.