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Humberto Delgado Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Humberto Delgado Airport to Dulles International Airport over the next 90 days, with one-way fares from $375 and round-trip from $562. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        LIS 11:40 AM
        8h 30m
        Nonstop
        IAD 3:10 PM
        Lisbon - Washington D.C. | Tue, Oct 6 | TAP Air Portugal
        IAD 5:40 PM
        7h 25m
        Nonstop
        LIS 6:05 AM
        Washington D.C. - Lisbon | Sat, Oct 10 | TAP Air Portugal
        $593 $751
        21% off
        21% off
        $751 $593
      • LIS 12:20 PM
        8h
        Nonstop
        IAD 3:20 PM
        Lisbon - Washington D.C. | Wed, Oct 28 | Lufthansa
        IAD 11:15 PM
        6h 50m
        Nonstop
        LIS 10:05 AM
        Washington D.C. - Lisbon | Sun, Nov 1 | Lufthansa
        $608 $751
        19% off
        19% off
        $751 $608
      • LIS 4:55 PM
        29h 20m
        1 stop
        IAD 5:15 PM
        Lisbon - Washington D.C. | Tue, Nov 3 | Scandinavian Airlines
        IAD 8:30 PM
        14h 35m
        1 stop
        LIS 4:05 PM
        Washington D.C. - Lisbon | Mon, Nov 9 | Scandinavian Airlines
        $562 $751
        25% off
        25% off
        $751 $562
      • LIS 8:25 AM
        15h 25m
        1 stop
        IAD 6:50 PM
        Lisbon - Washington D.C. | Thu, Oct 1 | American Airlines
        IAD 7:15 PM
        15h 30m
        1 stop
        LIS 3:45 PM
        Washington D.C. - Lisbon | Mon, Oct 5 | American Airlines
        $564
        25% off
        $751 $564
      • LIS 5:05 AM
        16h
        1 stop
        IAD 4:05 PM
        Lisbon - Washington D.C. | Sat, Oct 3 | United Airlines
        DCA 6:00 AM
        22h 20m
        1 stop
        LIS 9:20 AM
        Washington D.C. - Lisbon | Fri, Oct 9 | Air Canada
        $566
        25% off
        $751 $566
      • LIS 6:30 AM
        14h 50m
        1 stop
        IAD 4:20 PM
        Lisbon - Washington D.C. | Fri, Nov 13 | American Airlines
        DCA 5:10 PM
        10h 55m
        1 stop
        LIS 9:05 AM
        Washington D.C. - Lisbon | Sun, Nov 15 | American Airlines
        $569
        24% off
        $751 $569
      • LIS 6:45 AM
        14h 20m
        1 stop
        IAD 4:05 PM
        Lisbon - Washington D.C. | Wed, Sep 30 | United Airlines
        DCA 6:00 AM
        22h 20m
        1 stop
        LIS 9:20 AM
        Washington D.C. - Lisbon | Mon, Oct 5 | Air Canada
        $569
        24% off
        $751 $569
      • LIS 5:05 AM
        13h 30m
        1 stop
        IAD 1:35 PM
        Lisbon - Washington D.C. | Sat, Oct 3 | Lufthansa
        DCA 6:00 AM
        22h 20m
        1 stop
        LIS 9:20 AM
        Washington D.C. - Lisbon | Fri, Oct 9 | Air Canada
        $570
        24% off
        $751 $570
      • LIS 5:05 AM
        13h 30m
        1 stop
        IAD 1:35 PM
        Lisbon - Washington D.C. | Sat, Oct 3 | Air Canada
        DCA 9:40 AM
        18h 40m
        1 stop
        LIS 9:20 AM
        Washington D.C. - Lisbon | Tue, Oct 6 | Air Canada
        $571
        24% off
        $751 $571
      • LIS 7:25 AM
        13h 40m
        1 stop
        IAD 4:05 PM
        Lisbon - Washington D.C. | Fri, Oct 23 | United Airlines
        DCA 8:45 PM
        32h 10m
        1 stop
        LIS 8:55 AM
        Washington D.C. - Lisbon | Tue, Oct 27 | Air Canada
        $571
        24% off
        $751 $571
      • LIS 7:25 AM
        13h 40m
        1 stop
        IAD 4:05 PM
        Lisbon - Washington D.C. | Fri, Oct 23 | Air Canada
        IAD 9:55 AM
        19h 25m
        1 stop
        LIS 9:20 AM
        Washington D.C. - Lisbon | Tue, Oct 27 | Air Canada
        $571
        24% off
        $751 $571
      • LIS 5:05 AM
        13h 30m
        1 stop
        IAD 1:35 PM
        Lisbon - Washington D.C. | Thu, Oct 1 | United Airlines
        DCA 6:00 AM
        22h 20m
        1 stop
        LIS 9:20 AM
        Washington D.C. - Lisbon | Thu, Oct 8 | Air Canada
        $572
        24% off
        $751 $572
      • LIS 5:05 AM
        13h 30m
        1 stop
        IAD 1:35 PM
        Lisbon - Washington D.C. | Wed, Sep 30 | Air Canada
        IAD 9:55 AM
        20h 5m
        1 stop
        LIS 11:00 AM
        Washington D.C. - Lisbon | Mon, Oct 5 | Air Canada
        $573
        24% off
        $751 $573
      • LIS 6:45 AM
        14h 20m
        1 stop
        IAD 4:05 PM
        Lisbon - Washington D.C. | Wed, Sep 30 | Lufthansa
        DCA 6:00 AM
        22h 20m
        1 stop
        LIS 9:20 AM
        Washington D.C. - Lisbon | Mon, Oct 5 | Air Canada
        $574
        24% off
        $751 $574
      • LIS 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Lisbon - Washington D.C. | Fri, Sep 25 | Normal Airline
        WAS 3:00 PM
        6h
        Nonstop
        LIS 4:00 PM
        Washington D.C. - Lisbon | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        LIS 4:40 PM
        8h 50m
        Nonstop
        IAD 8:30 PM
        Lisbon - Washington D.C. | Wed, Nov 11 | TAP Air Portugal
        $513 $634
        19% off
        19% off
        $634 $513
      • LIS 11:25 AM
        8h 50m
        Nonstop
        IAD 3:15 PM
        Lisbon - Washington D.C. | Thu, Nov 5 | TAP Air Portugal
        $513 $634
        19% off
        19% off
        $634 $513
      • LIS 6:35 AM
        17h 15m
        1 stop
        IAD 6:50 PM
        Lisbon - Washington D.C. | Sun, Oct 11 | Iberia
        $375 $634
        41% off
        41% off
        $634 $375
      • LIS 6:35 AM
        17h 15m
        1 stop
        IAD 6:50 PM
        Lisbon - Washington D.C. | Sun, Oct 25 | Iberia
        $382
        40% off
        $634 $382
      • LIS 6:35 AM
        13h 55m
        1 stop
        IAD 3:30 PM
        Lisbon - Washington D.C. | Wed, Oct 28 | American Airlines
        $384
        39% off
        $634 $384
      • LIS 6:35 AM
        13h 55m
        1 stop
        IAD 3:30 PM
        Lisbon - Washington D.C. | Tue, Oct 13 | Iberia
        $386
        39% off
        $634 $386
      • LIS 8:45 PM
        24h 35m
        1 stop
        IAD 5:20 PM
        Lisbon - Washington D.C. | Mon, Nov 2 | Iberia
        $396
        38% off
        $634 $396
      • LIS 8:25 AM
        12h 5m
        1 stop
        IAD 3:30 PM
        Lisbon - Washington D.C. | Wed, Oct 28 | Iberia
        $396
        38% off
        $634 $396
      • LIS 6:35 AM
        13h 55m
        1 stop
        IAD 3:30 PM
        Lisbon - Washington D.C. | Tue, Oct 13 | Finnair
        $401
        37% off
        $634 $401
      • LIS 6:35 AM
        13h 55m
        1 stop
        IAD 3:30 PM
        Lisbon - Washington D.C. | Wed, Oct 28 | Finnair
        $416
        34% off
        $634 $416
      • LIS 7:20 AM
        15h 5m
        1 stop
        IAD 5:25 PM
        Lisbon - Washington D.C. | Tue, Oct 13 | British Airways
        $428
        32% off
        $634 $428
      • LIS 7:20 AM
        15h 5m
        1 stop
        IAD 5:25 PM
        Lisbon - Washington D.C. | Wed, Oct 28 | British Airways
        $429
        32% off
        $634 $429
      • LIS 6:35 AM
        17h 15m
        1 stop
        IAD 6:50 PM
        Lisbon - Washington D.C. | Sun, Oct 11 | American Airlines
        $434
        32% off
        $634 $434
      • LIS 8:25 AM
        12h 5m
        1 stop
        IAD 3:30 PM
        Lisbon - Washington D.C. | Wed, Sep 30 | American Airlines
        $441
        30% off
        $634 $441
      • LIS 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Lisbon - Washington D.C. | Fri, Sep 25 | Normal Airline
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Displayed flight fares from Humberto Delgado Airport to Dulles International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

What is the cheapest month for one-way flights from Humberto Delgado Airport to Dulles International Airport?

Data is based on average one-way flight prices from Humberto Delgado Airport to Dulles International Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Humberto Delgado Airport to Dulles International Airport, the best time to buy is in October, with an average price of $479. You’ll want to avoid December, when the average price can reach as high as $818.

$818
$649
$479
$310
    Cheapest
  • $574
    May
  • $702
    Jun
  • $771
    Jul
  • $728
    Aug
  • $522
    Sep
  • $479
    Oct
  • $637
    Nov
  • $818
    Dec
  • $663
    Jan
  • $676
    Feb
  • $603
    Mar
  • $541
    Apr

What is the cheapest day of the week to fly from Humberto Delgado Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from Humberto Delgado Airport to Dulles International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Humberto Delgado Airport to Dulles International Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Tuesday, as ticket prices are usually the highest that day.

$914
$717
$519
$322
    Cheapest
  • $694
    Mon
  • $914
    Tue
  • $519
    Wed
  • $594
    Thu
  • $631
    Fri
  • $656
    Sat
  • $662
    Sun

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

The cheapest airline flying from Humberto Delgado Airport to Dulles International Airport is Iberia (from $375) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Iberia
From $375
American Airlines
From $384
Finnair
From $401
Ryanair
From $407
British Airways
From $428
easyJet
From $430
TAP Air Portugal
From $437
Air Transat
From $532
Royal Air Maroc
From $547
Aer Lingus
From $549

Find more flights and airlines

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

Check the schedule for flights from Lisbon to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. IB530

    Humberto Delgado Airport

    8:25 AM

    LIS

    1h 25m

    Nonstop

    10:50 AM

    MAD

    S M T W T F -
    Search

  2. IB361

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  3. AA8543

    Humberto Delgado Airport

    8:25 AM

    LIS

    1h 25m

    Nonstop

    10:50 AM

    MAD

    S M T W T F -
    Search

  4. AA8729

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  5. AA8542

    Humberto Delgado Airport

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search

  6. AA8729

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  7. AY5564

    Humberto Delgado Airport

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search

  8. AY5367

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  9. IB540

    Humberto Delgado Airport

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search

  10. BA4257

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  11. IB540

    Humberto Delgado Airport

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search

  12. AY5367

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  13. BA509

    Humberto Delgado Airport

    7:20 AM

    LIS

    3h

    Nonstop

    10:20 AM

    LHR

    S M T W T F S
    Search

  14. BA291

    Heathrow Airport

    2:00 PM

    LHR

    8h 25m

    Nonstop

    5:25 PM

    IAD

    S M T W T F S

  15. IB540

    Humberto Delgado Airport

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search

  16. IB361

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  17. IB1146

    Humberto Delgado Airport

    8:45 PM

    LIS

    1h 25m

    Nonstop

    11:10 PM

    MAD

    - - - - T - S
    Search

  18. IB361

    Adolfo Suárez Madrid-Barajas Airport

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S M T W T F S

  19. TP1022

    Humberto Delgado Airport

    10:00 PM

    LIS

    1h 20m

    Nonstop

    12:20 AM

    MAD

    S M T W T F S
    Search

  20. AT973

    Adolfo Suárez Madrid-Barajas Airport

    1:35 PM

    MAD

    1h 50m

    Nonstop

    1:25 PM

    CMN

    S M T W T F S

  21. AT218

    Casablanca Mohamed V. Airport

    3:00 PM

    CMN

    8h

    Nonstop

    7:00 PM

    IAD

    S - T - T F S
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About Humberto Delgado Airport and Dulles International Airport

Learn about Humberto Delgado Airport (LIS) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance5,772.34 km
Cheapest one-way ticket price$375
Cheapest return ticket price$562

FAQs for Humberto Delgado Airport to Dulles International Airport Flights

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

    Humberto Delgado Airport to Dulles International Airport takes about 7 hours 26 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Humberto Delgado Airport (LIS) to Dulles International Airport (IAD).
  • The earliest flight from Humberto Delgado Airport to Dulles International Airport departs at 11:40, and the last departs at 17:15, with about 3 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Humberto Delgado Airport (LIS) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around $796 in November, the most expensive month to book this route.
  • The earliest flight departs from Humberto Delgado Airport (LIS) at 09:15 and arrives in Dulles International Airport (IAD) at 13:00.
  • The latest flight departs from Humberto Delgado Airport (LIS) at 17:15 and arrives in Dulles International Airport (IAD) at 22:00.
  • TAP Air Portugal is a very popular airline operating an average of 1190 flights per month.
  • One-way flights from Humberto Delgado Airport to Dulles International Airport currently start from $375, and round-trip fares start from $562. The current lowest fare is a Iberia flight departing on Sun, Oct 11; prices may vary depending on availability.
  • Yes. TAP Air Portugal and United Airlines operate direct flights from Humberto Delgado Airport to Dulles International Airport, with an average flight time of 7 hours 23 minutes, and around 21 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 Humberto Delgado Airport to Dulles International Airport is $822. Prices may vary depending on the departure date, airline, and availability.
  • Jetblue Airways are the most popular budget airlines flying from Humberto Delgado Airport to Dulles International Airport, with one-way fares starting from $375. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Humberto Delgado Airport to Dulles International Airport operates around 15 weekly flights, mainly by TAP Air Portugal and United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Humberto Delgado Airport and Dulles 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
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To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
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If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.