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Cheap flights from Washington, D.C. Reagan-National Airport to Lisbon from $293

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. Reagan-National Airport to Lisbon departing on 1/26. 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. Reagan-National Airport to Lisbon

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 3:35 pm
DCA
-
LIS
28h 35m2 stops
Multiple Airlines Logo
7:00 am - 10:43 pm
LIS
-
DCA
20h 43m2 stops
$600Multiple Airlines
Fri, Apr 24 - Thu, Apr 30
Scandinavian Airlines Logo
11:06 am - 3:40 pm
DCA
-
LIS
23h 34m2 stops
Scandinavian Airlines Logo
7:10 pm - 10:36 pm
LIS
-
DCA
31h 26m2 stops
$610Scandinavian Airlines
Tue, Mar 3 - Fri, Mar 13
Multiple Airlines Logo
10:25 am - 3:40 pm
DCA
-
LIS
24h 15m2 stops
Multiple Airlines Logo
7:05 am - 10:12 pm
LIS
-
DCA
20h 07m2 stops
$616Multiple Airlines
Tue, Feb 17 - Wed, Feb 25
Scandinavian Airlines Logo
2:00 pm - 3:35 pm
DCA
-
LIS
20h 35m2 stops
Scandinavian Airlines Logo
12:45 pm - 10:43 pm
LIS
-
DCA
38h 58m2 stops
$624Scandinavian Airlines
Tue, Apr 7 - Tue, Apr 14
Scandinavian Airlines Logo
6:00 am - 10:05 pm
DCA
-
LIS
35h 05m2 stops
Scandinavian Airlines Logo
6:25 pm - 10:43 pm
LIS
-
DCA
33h 18m2 stops
$629Scandinavian Airlines
Mon, Apr 13 - Wed, Apr 22
Multiple Airlines Logo
2:25 pm - 9:30 pm
DCA
-
LIS
27h 05m2 stops
Multiple Airlines Logo
6:55 am - 10:36 pm
LIS
-
DCA
19h 41m2 stops
$632Multiple Airlines
Mon, Mar 16 - Fri, Mar 20
Scandinavian Airlines Logo
12:00 pm - 3:50 pm
DCA
-
LIS
22h 50m2 stops
Scandinavian Airlines Logo
4:55 pm - 10:12 pm
LIS
-
DCA
34h 17m2 stops
$635Scandinavian Airlines
Thu, Feb 5 - Wed, Feb 11
Scandinavian Airlines Logo
12:00 pm - 4:05 pm
DCA
-
LIS
23h 05m2 stops
Scandinavian Airlines Logo
7:05 am - 10:48 pm
LIS
-
DCA
20h 43m2 stops
$640Scandinavian Airlines
Tue, Jan 13 - Wed, Jan 28
Scandinavian Airlines Logo
12:00 pm - 4:05 pm
DCA
-
LIS
23h 05m2 stops
Scandinavian Airlines Logo
6:55 pm - 10:11 pm
LIS
-
DCA
32h 16m2 stops
$644Scandinavian Airlines
Tue, Jan 20 - Thu, Jan 29
Multiple Airlines Logo
12:00 pm - 4:05 pm
DCA
-
LIS
23h 05m2 stops
Multiple Airlines Logo
6:55 pm - 10:48 pm
LIS
-
DCA
32h 53m2 stops
$645Multiple Airlines
Tue, Jan 20 - Sat, Jan 31

Scandinavian Airlines flights from Washington, D.C. Reagan-National Airport to Lisbon

Our best Scandinavian Airlines deals on Washington, D.C. Reagan-National Airport to Lisbon flight tickets
Scandinavian Airlines
Mar 3
DCA11:06 amWashington, D.C. Reagan-National
23h 34m
2 stops
LIS3:40 pmLisbon Humberto Delgado
Mar 13
LIS7:10 pmLisbon Humberto Delgado
31h 26m
2 stops
DCA10:36 pmWashington, D.C. Reagan-National
$610
Find similar
Scandinavian Airlines
Apr 7
DCA2:00 pmWashington, D.C. Reagan-National
20h 35m
2 stops
LIS3:35 pmLisbon Humberto Delgado
Apr 14
LIS12:45 pmLisbon Humberto Delgado
38h 58m
2 stops
DCA10:43 pmWashington, D.C. Reagan-National
$624
Find similar
Scandinavian Airlines
Apr 13
DCA6:00 amWashington, D.C. Reagan-National
35h 05m
2 stops
LIS10:05 pmLisbon Humberto Delgado
Apr 22
LIS6:25 pmLisbon Humberto Delgado
33h 18m
2 stops
DCA10:43 pmWashington, D.C. Reagan-National
$629
Find similar

TAP AIR PORTUGAL flights from Washington, D.C. Reagan-National Airport to Lisbon

Our best TAP AIR PORTUGAL deals on Washington, D.C. Reagan-National Airport to Lisbon flight tickets
TAP AIR PORTUGAL
Jan 8
DCA5:20 pmWashington, D.C. Reagan-National
11h 55m
1 stop
LIS10:15 amLisbon Humberto Delgado
Jan 17
LIS9:00 pmLisbon Humberto Delgado
41h 38m
2 stops
DCA9:38 amWashington, D.C. Reagan-National
$1,011
Find similar
TAP AIR PORTUGAL
Jan 8
DCA1:00 pmWashington, D.C. Reagan-National
16h 15m
1 stop
LIS10:15 amLisbon Humberto Delgado
Jan 17
LIS11:40 amLisbon Humberto Delgado
15h 05m
1 stop
DCA9:45 pmWashington, D.C. Reagan-National
$1,144
Find similar
TAP AIR PORTUGAL
Jan 6
DCA8:10 pmWashington, D.C. Reagan-National
10h 30m
1 stop
LIS11:40 amLisbon Humberto Delgado
Jan 22
LIS9:00 pmLisbon Humberto Delgado
40h 32m
2 stops
DCA8:32 amWashington, D.C. Reagan-National
$1,201
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 4/24

6:00 am-3:35 pm

2 stops28h 35m

Lisbon Humberto Delgado

Thu 4/30

7:00 am-10:43 pm

2 stops20h 43m

$600

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 3/3

11:06 am-3:40 pm

2 stops23h 34m

Lisbon Humberto Delgado

Fri 3/13

7:10 pm-10:36 pm

2 stops31h 26m

$610

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 2/17

10:25 am-3:40 pm

2 stops24h 15m

Lisbon Humberto Delgado

Wed 2/25

7:05 am-10:12 pm

2 stops20h 07m

$616

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 4/7

2:00 pm-3:35 pm

2 stops20h 35m

Lisbon Humberto Delgado

Tue 4/14

12:45 pm-10:43 pm

2 stops38h 58m

$624

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 4/13

6:00 am-10:05 pm

2 stops35h 05m

Lisbon Humberto Delgado

Wed 4/22

6:25 pm-10:43 pm

2 stops33h 18m

$629

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 3/16

2:25 pm-9:30 pm

2 stops27h 05m

Lisbon Humberto Delgado

Fri 3/20

6:55 am-10:36 pm

2 stops19h 41m

$632

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 2/5

12:00 pm-3:50 pm

2 stops22h 50m

Lisbon Humberto Delgado

Wed 2/11

4:55 pm-10:12 pm

2 stops34h 17m

$635

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 1/13

12:00 pm-4:05 pm

2 stops23h 05m

Lisbon Humberto Delgado

Wed 1/28

7:05 am-10:48 pm

2 stops20h 43m

$640

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 1/20

12:00 pm-4:05 pm

2 stops23h 05m

Lisbon Humberto Delgado

Thu 1/29

6:55 pm-10:11 pm

2 stops32h 16m

$644

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 1/20

12:00 pm-4:05 pm

2 stops23h 05m

Lisbon Humberto Delgado

Sat 1/31

6:55 pm-10:48 pm

2 stops32h 53m

$645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lisbon from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National 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, November is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $664. If you are unable to visit Lisbon during the month of November, then departing from Washington, D.C. Reagan-National Airport during the month September is also very affordable. Most momondo users find prices during this month for around $685.

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 $708. 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. Reagan-National Airport to Lisbon for around $875.

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 afternoon when flights can be purchased for as low as $756. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $833 on average. Flights to Lisbon from Washington, D.C. Reagan-National Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Lisbon flights?

You could potentially save up to 52% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Lisbon flight.

When to book flights from Washington, D.C. Reagan-National Airport to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National 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. Reagan-National Airport to Lisbon (DCA to LIS) flight deals and tips

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

Fastest flight time

11h 00m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Lisbon takes 11h 00m
There are no direct flights from Washington, D.C. Reagan-National Airport to Lisbon. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Lisbon.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Lisbon Humberto Delgado by plane?

    The distance between Washington, D.C. Reagan-National and Lisbon Humberto Delgado is about 3563.6 mi. In terms of flight time, this usually takes a little over 11h 00m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Lisbon Humberto Delgado Airport were last updated today.

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

  • How old do you have to be to fly from Washington, D.C. Reagan-National 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. Reagan-National Airport to Lisbon Humberto Delgado Airport.

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

    The required travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Lisbon?

Best airlines flying from Washington, D.C. Reagan-National Airport to Lisbon

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Lisbon with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $506Free CancellationRating
7.1
2,100 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $759Free CancellationRating
7.4
9,124 reviews
Search United Airlines flights

Traveling to a place near Lisbon?

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

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Lisbon from Washington, D.C..

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?

Yes. momondo can track prices for Washington, D.C. to Lisbon flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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