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 PHP 23,451 and round-trip from PHP 33,413. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Lisbon to Washington D.C. 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 PHP 30,504. You’ll want to avoid December, when the average price can reach as high as PHP 52,035.

PHP 52,035
PHP 41,270
PHP 30,504
PHP 19,739
    Cheapest
  • PHP 36,512
    May
  • PHP 44,644
    Jun
  • PHP 49,071
    Jul
  • PHP 46,319
    Aug
  • PHP 33,221
    Sep
  • PHP 30,504
    Oct
  • PHP 40,517
    Nov
  • PHP 52,035
    Dec
  • PHP 42,215
    Jan
  • PHP 43,026
    Feb
  • PHP 38,387
    Mar
  • PHP 34,402
    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.

PHP 56,232
PHP 45,509
PHP 34,785
PHP 24,062
    Cheapest
  • PHP 45,393
    Mon
  • PHP 56,232
    Tue
  • PHP 34,785
    Wed
  • PHP 41,382
    Thu
  • PHP 40,172
    Fri
  • PHP 40,514
    Sat
  • PHP 50,452
    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 easyJet (from PHP 22,805) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

easyJet
From PHP 22,805
Ryanair
From PHP 22,957
Iberia
From PHP 23,451
TAP Air Portugal
From PHP 24,573
Air Europa
From PHP 24,896
American Airlines
From PHP 27,424
Finnair
From PHP 28,451
British Airways
From PHP 29,107
Air Transat
From PHP 29,326
Air France
From PHP 29,421

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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. AA8543

    8:25 AM

    LIS

    1h 25m

    Nonstop

    10:50 AM

    MAD

    S M T W T F -
    Search
  2. AA8552

    12:50 PM

    MAD

    9h 40m

    Nonstop

    4:30 PM

    IAD

    S - T W T - -
  3. IB530

    8:20 AM

    LIS

    1h 25m

    Nonstop

    10:45 AM

    MAD

    S M T W T F -
    Search
  4. AA8552

    12:50 PM

    MAD

    9h 40m

    Nonstop

    4:30 PM

    IAD

    S - T W T - -
  5. IB540

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search
  6. IB361

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S - T W T F -
  7. AA8542

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search
  8. AA8552

    12:50 PM

    MAD

    9h 40m

    Nonstop

    4:30 PM

    IAD

    S - T W T - -
  9. IB540

    6:35 AM

    LIS

    1h 25m

    Nonstop

    9:00 AM

    MAD

    S M T W T F S
    Search
  10. AA8552

    12:50 PM

    MAD

    9h 40m

    Nonstop

    4:30 PM

    IAD

    S - T W T - -
  11. U27639

    5:55 AM

    LIS

    1h 25m

    Nonstop

    8:20 AM

    MAD

    S M T W - - S
    Search
  12. AT973

    12:55 PM

    MAD

    1h 45m

    Nonstop

    1:40 PM

    CMN

    S M T W T F S
  13. AT218

    3:25 PM

    CMN

    8h 40m

    Nonstop

    8:05 PM

    IAD

    - - T - T - S
  14. IB1146

    8:45 PM

    LIS

    1h 25m

    Nonstop

    11:10 PM

    MAD

    S M - - - - S
    Search
  15. IB361

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

    S - T W T F -
  16. TP1022

    9:00 PM

    LIS

    1h 30m

    Nonstop

    11:30 PM

    MAD

    S M T W T F -
    Search
  17. AT973

    12:55 PM

    MAD

    1h 45m

    Nonstop

    1:40 PM

    CMN

    S M T W T F S
  18. AT218

    3:25 PM

    CMN

    8h 40m

    Nonstop

    8:05 PM

    IAD

    - - T - T - S
  19. UX1160

    8:05 PM

    LIS

    1h 15m

    Nonstop

    10:20 PM

    MAD

    S M T W T F S
    Search
  20. AT973

    12:55 PM

    MAD

    1h 45m

    Nonstop

    1:40 PM

    CMN

    S M T W T F S
  21. AT218

    3:25 PM

    CMN

    8h 40m

    Nonstop

    8:05 PM

    IAD

    - - T - T - S
  22. IB534

    4:45 PM

    LIS

    1h 25m

    Nonstop

    7:10 PM

    MAD

    S - T W T - S
    Search
  23. IB361

    12:20 PM

    MAD

    9h 10m

    Nonstop

    3:30 PM

    IAD

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

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 distance 5,772.34 km
Cheapest one-way ticket price PHP 23,451
Cheapest return ticket price PHP 33,413

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 59 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 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 10:55, 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 PHP 74,326 in January, 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 PHP 23,451, and round-trip fares start from PHP 33,413. The current lowest fare is a Iberia flight departing on Wed, Nov 18; 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 58 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 PHP 53,178. 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 PHP 23,451. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Humberto Delgado Airport to Dulles International Airport operates around 21 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.

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

Book with no extra fees

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:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.