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Cheap flights from Washington, D.C. Dulles Intl Airport to Lisbon from $290

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Lisbon departing on 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Lisbon

Cheap round-trip flights

Logo
9:45 am - 6:40 pmIAD-LIS
27h 55m2 stops
Logo
7:05 am - 9:05 pmLIS-IAD
19h 00m2 stops
$483
Find Deal
Mon, Sep 15 - Wed, Sep 24
Scandinavian Airlines Logo
8:30 pm - 4:05 pmIAD-LIS
14h 35m1 stop
Scandinavian Airlines Logo
4:55 pm - 5:15 pmLIS-IAD
29h 20m1 stop
$485Scandinavian Airlines
Find Deal
Thu, Nov 20 - Wed, Nov 26
Scandinavian Airlines Logo
8:30 pm - 4:05 pmIAD-LIS
14h 35m1 stop
Scandinavian Airlines Logo
4:55 pm - 5:15 pmLIS-IAD
29h 20m1 stop
$486Scandinavian Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 23
Logo
4:35 pm - 10:20 amIAD-LIS
12h 45m1 stop
Logo
7:05 am - 3:00 pmLIS-IAD
12h 55m1 stop
$487
Find Deal
Sun, Sep 28 - Tue, Oct 14
Logo
4:35 pm - 10:20 amIAD-LIS
12h 45m1 stop
Logo
7:05 am - 3:00 pmLIS-IAD
12h 55m1 stop
$488
Find Deal
Mon, Oct 13 - Wed, Oct 22
Logo
9:45 am - 6:40 pmIAD-LIS
27h 55m3 stops
Logo
7:05 am - 9:05 pmLIS-IAD
19h 00m2 stops
$489
Find Deal
Mon, Sep 15 - Wed, Sep 24
Turkish Airlines Logo
9:40 pm - 3:30 pmIAD-LIS
36h 50m1 stop
Turkish Airlines Logo
11:30 am - 8:15 pmLIS-IAD
36h 45m1 stop
$561Turkish Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
Turkish Airlines Logo
9:40 pm - 9:45 amIAD-LIS
31h 05m1 stop
Turkish Airlines Logo
4:05 pm - 7:15 pmLIS-IAD
32h 10m1 stop
$565Turkish Airlines
Find Deal
Wed, Oct 22 - Thu, Nov 6
Turkish Airlines Logo
1:30 pm - 3:30 pmIAD-LIS
21h 00m1 stop
Turkish Airlines Logo
4:30 pm - 11:45 amLIS-IAD
24h 15m1 stop
$579Turkish Airlines
Find Deal
Thu, Sep 11 - Fri, Sep 19
Turkish Airlines Logo
1:30 pm - 3:15 pmIAD-LIS
20h 45m1 stop
Turkish Airlines Logo
5:55 am - 7:15 pmLIS-IAD
18h 20m1 stop
$580Turkish Airlines
Find Deal
Wed, Sep 24 - Thu, Nov 13

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Lisbon

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Lisbon flight tickets
Scandinavian Airlines
Nov 20
IAD8:30 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
LIS4:05 pmLisbon Humberto Delgado
Nov 26
LIS4:55 pmLisbon Humberto Delgado
29h 20m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$485
Find similar
Scandinavian Airlines
Nov 13
IAD8:30 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
LIS4:05 pmLisbon Humberto Delgado
Nov 23
LIS4:55 pmLisbon Humberto Delgado
29h 20m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$486
Find similar
Scandinavian Airlines
Nov 29
IAD8:30 pmWashington, D.C. Dulles Intl
14h 35m
1 stop
LIS4:05 pmLisbon Humberto Delgado
Dec 7
LIS4:55 pmLisbon Humberto Delgado
29h 20m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$506
Find similar

Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Lisbon

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Lisbon flight tickets
Turkish Airlines
Oct 22
IAD9:40 pmWashington, D.C. Dulles Intl
36h 50m
1 stop
LIS3:30 pmLisbon Humberto Delgado
Oct 28
LIS11:30 amLisbon Humberto Delgado
36h 45m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
$561
Find similar
Turkish Airlines
Oct 22
IAD9:40 pmWashington, D.C. Dulles Intl
31h 05m
1 stop
LIS9:45 amLisbon Humberto Delgado
Nov 6
LIS4:05 pmLisbon Humberto Delgado
32h 10m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
$565
Find similar
Turkish Airlines
Sep 11
IAD1:30 pmWashington, D.C. Dulles Intl
21h 00m
1 stop
LIS3:30 pmLisbon Humberto Delgado
Sep 19
LIS4:30 pmLisbon Humberto Delgado
24h 15m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$579
Find similar

See travel insights to Lisbon from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Lisbon?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $661. If you are unable to visit Lisbon during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $718.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $756. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Lisbon for around $923.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the morning when flights can be purchased for as low as $775. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $867 on average. Flights to Lisbon from Washington, D.C. Dulles Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington, D.C. Dulles Intl to Lisbon Humberto Delgado flight route?

Fly from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado for the best Washington, D.C. Dulles Intl - Lisbon Humberto Delgado flight prices

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $905 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Washington, D.C. Dulles Intl Airport for as low as $772 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Lisbon Humberto Delgado flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Lisbon flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Lisbon.

How have Washington, D.C. Dulles Intl Airport to Lisbon flight prices changed over time?

As of July 2025, prices for Washington, D.C. Dulles Intl Airport to Lisbon flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Lisbon (IAD to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Lisbon

Best Price Found

$290

Fastest flight time

7h 20m

Direct flights

Every day

Airports in Lisbon

1 airport
The best one-way flight to Lisbon from Washington, D.C. Dulles Intl Airport in the past 72 hours is $290. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Lisbon found on momondo in the last 72 hours is $483.
The fastest flight from Washington, D.C. Dulles Intl Airport to Lisbon takes 7h 20m
Direct flights go from Washington, D.C. Dulles Intl Airport to Lisbon every day.
There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)
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  • How far is Washington, D.C. Dulles Intl to Lisbon Humberto Delgado by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Lisbon Humberto Delgado is 3581.5 mi. Typically, this will take 11h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Lisbon Humberto Delgado Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Lisbon Humberto Delgado Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Lisbon?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Lisbon?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Lisbon

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $333Free CancellationRating
7.0
102 reviews
Search PLAY flights
TAP AIR PORTUGALPriceFrom $506Free CancellationRating
7.1
1,922 reviews
Search TAP AIR PORTUGAL flights
American AirlinesPriceFrom $508Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $510Free CancellationRating
6.6
7,151 reviews
Search British Airways flights
Royal Air MarocPriceFrom $552Free CancellationRating
6.1
486 reviews
Search Royal Air Maroc flights
Air FrancePriceFrom $554Free CancellationRating
7.5
1,465 reviews
Search Air France flights
DeltaPriceFrom $563Free CancellationRating
8.0
7,959 reviews
Search Delta flights
Turkish AirlinesPriceFrom $586Free CancellationRating
7.3
3,906 reviews
Search Turkish Airlines flights
IberiaPriceFrom $592Free CancellationRating
7.0
2,841 reviews
Search Iberia flights
Aer LingusPriceFrom $666Free CancellationRating
7.1
1,168 reviews
Search Aer Lingus flights

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Lisbon

    The lowest priced United Airlines flight from Washington, D.C. Dulles Intl Airport to Lisbon from the last 72 hours was $698. Generally, United Airlines has 5 flights on this route every week with an average price of $1,129. United Airlines is rated 7.4/10 by our users.

  • JetBlue Flights From Washington, D.C. Dulles Intl Airport to Lisbon

    The best JetBlue deal for Washington, D.C. Dulles Intl Airport to Lisbon flight tickets found on momondo in the last 72 hours was $707, round-trip. It should be noted that an average JetBlue flight deal for this route in this time was higher, at $1,166 round-trip. JetBlue operates 8 flights out of Washington, D.C. Dulles Intl Airport into Lisbon in an average week, so prices vary by time and availability. 2,909 JetBlue reviews by users on momondo have scored the airline at 7.3/10.

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Sintra
Nazaré
Ericeira
Almada
Setúbal
Oeiras
Estoril
Peniche
Evora
Óbidos
Sesimbra
Tomar
Figueira da Foz
Batalha
Leiria
Comporta
Torres Vedras
Sines
Caldas da Rainha

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Lisbon?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Lisbon for you.

Can I find flights from Washington, D.C. to Lisbon with flexible booking policies on momondo?

Yes. All flights to Lisbon from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Lisbon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Lisbon.

I’m not ready to book a flight from Washington, D.C. to Lisbon right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Lisbon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Lisbon and let you know when they change.

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