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Cheap flights from Washington, D.C. Reagan-National Airport to Lisbon from $355

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 10/12. 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

Multiple Airlines Logo
11:05 am - 1:05 pmDCA-LIS
21h 00m3 stops
Multiple Airlines Logo
8:40 pm - 6:05 pmLIS-DCA
26h 25m2 stops
$621Multiple Airlines
Find Deal
Tue, Nov 11 - Sun, Nov 16
Scandinavian Airlines Logo
11:00 am - 9:35 pmDCA-LIS
29h 35m2 stops
Scandinavian Airlines Logo
12:50 pm - 11:08 pmLIS-DCA
39h 18m2 stops
$622Scandinavian Airlines
Find Deal
Wed, Jan 14 - Tue, Jan 20
Multiple Airlines Logo
4:40 pm - 8:25 pmDCA-LIS
23h 45m2 stops
Multiple Airlines Logo
6:25 am - 9:56 pmLIS-DCA
20h 31m2 stops
$625Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
1:15 pm - 3:40 pmDCA-LIS
21h 25m2 stops
Multiple Airlines Logo
12:50 pm - 10:56 pmLIS-DCA
39h 06m2 stops
$627Multiple Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Multiple Airlines Logo
9:40 am - 6:40 pmDCA-LIS
28h 00m3 stops
Multiple Airlines Logo
7:40 am - 6:04 pmLIS-DCA
15h 24m2 stops
$633Multiple Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Multiple Airlines Logo
4:10 pm - 1:20 pmDCA-LIS
16h 10m2 stops
Multiple Airlines Logo
6:25 am - 9:56 pmLIS-DCA
20h 31m2 stops
$635Multiple Airlines
Find Deal
Mon, Nov 3 - Mon, Nov 10
Multiple Airlines Logo
11:10 am - 9:30 pmDCA-LIS
29h 20m2 stops
Multiple Airlines Logo
7:05 am - 10:56 pmLIS-DCA
20h 51m2 stops
$639Multiple Airlines
Find Deal
Mon, Nov 17 - Sat, Nov 22
Scandinavian Airlines Logo
10:35 am - 8:55 amDCA-LIS
41h 20m2 stops
Scandinavian Airlines Logo
6:45 am - 11:08 pmLIS-DCA
21h 23m2 stops
$640Scandinavian Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
4:10 pm - 8:25 pmDCA-LIS
23h 15m2 stops
Multiple Airlines Logo
6:25 am - 9:56 pmLIS-DCA
20h 31m2 stops
$641Multiple Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Air Canada Logo
9:40 am - 9:20 amDCA-LIS
18h 40m1 stop
Air Canada Logo
11:20 am - 9:56 pmLIS-DCA
15h 36m1 stop
$760Air Canada
Find Deal
Mon, Dec 1 - Tue, Dec 16

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

Our best Icelandair deals on Washington, D.C. Reagan-National Airport to Lisbon flight tickets
Icelandair
Sep 27
DCA1:20 pmWashington, D.C. Reagan-National
27h 00m
2 stops
LIS9:20 pmLisbon Humberto Delgado
Oct 2
LIS10:20 pmLisbon Humberto Delgado
48h 44m
2 stops
DCA6:04 pmWashington, D.C. Reagan-National
$974
Find similar
Icelandair
Sep 27
DCA1:20 pmWashington, D.C. Reagan-National
27h 00m
2 stops
LIS9:20 pmLisbon Humberto Delgado
Oct 5
LIS10:25 pmLisbon Humberto Delgado
38h 56m
2 stops
DCA8:21 amWashington, D.C. Reagan-National
$1,096
Find similar
Icelandair
Sep 20
DCA1:20 pmWashington, D.C. Reagan-National
27h 00m
2 stops
LIS9:20 pmLisbon Humberto Delgado
Sep 28
LIS10:25 pmLisbon Humberto Delgado
38h 34m
2 stops
DCA7:59 amWashington, D.C. Reagan-National
$1,139
Find similar

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
Jan 14
DCA11:00 amWashington, D.C. Reagan-National
29h 35m
2 stops
LIS9:35 pmLisbon Humberto Delgado
Jan 20
LIS12:50 pmLisbon Humberto Delgado
39h 18m
2 stops
DCA11:08 pmWashington, D.C. Reagan-National
$622
Find similar
Scandinavian Airlines
Jan 22
DCA10:35 amWashington, D.C. Reagan-National
41h 20m
2 stops
LIS8:55 amLisbon Humberto Delgado
Jan 26
LIS6:45 amLisbon Humberto Delgado
21h 23m
2 stops
DCA11:08 pmWashington, D.C. Reagan-National
$640
Find similar
Scandinavian Airlines
Nov 12
DCA11:10 amWashington, D.C. Reagan-National
40h 45m
2 stops
LIS8:55 amLisbon Humberto Delgado
Nov 19
LIS4:55 pmLisbon Humberto Delgado
35h 01m
2 stops
DCA10:56 pmWashington, D.C. Reagan-National
$649
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 September 16, 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

Tue 11/11

11:05 am-1:05 pm

3 stops21h 00m

Lisbon Humberto Delgado

Sun 11/16

8:40 pm-6:05 pm

2 stops26h 25m

$621

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 1/14

11:00 am-9:35 pm

2 stops29h 35m

Lisbon Humberto Delgado

Tue 1/20

12:50 pm-11:08 pm

2 stops39h 18m

$622

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 10/30

4:40 pm-8:25 pm

2 stops23h 45m

Lisbon Humberto Delgado

Thu 11/6

6:25 am-9:56 pm

2 stops20h 31m

$625

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 11/11

1:15 pm-3:40 pm

2 stops21h 25m

Lisbon Humberto Delgado

Tue 11/18

12:50 pm-10:56 pm

2 stops39h 06m

$627

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 10/1

9:40 am-6:40 pm

3 stops28h 00m

Lisbon Humberto Delgado

Wed 10/8

7:40 am-6:04 pm

2 stops15h 24m

$633

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 11/3

4:10 pm-1:20 pm

2 stops16h 10m

Lisbon Humberto Delgado

Mon 11/10

6:25 am-9:56 pm

2 stops20h 31m

$635

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 11/17

11:10 am-9:30 pm

2 stops29h 20m

Lisbon Humberto Delgado

Sat 11/22

7:05 am-10:56 pm

2 stops20h 51m

$639

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 1/22

10:35 am-8:55 am

2 stops41h 20m

Lisbon Humberto Delgado

Mon 1/26

6:45 am-11:08 pm

2 stops21h 23m

$640

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 11/6

4:10 pm-8:25 pm

2 stops23h 15m

Lisbon Humberto Delgado

Tue 11/11

6:25 am-9:56 pm

2 stops20h 31m

$641

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 12/1

9:40 am-9:20 am

1 stop18h 40m

Lisbon Humberto Delgado

Tue 12/16

11:20 am-9:56 pm

1 stop15h 36m

$760

Flights are sorted by cheapest round-trip flights 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, January 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 $700. If you are unable to visit Lisbon during the month of January, then departing from Washington, D.C. Reagan-National Airport during the month March is also very affordable. Most momondo users find prices during this month for around $866.

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 $736. 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 $896.

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 $774. 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. Reagan-National Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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.
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  • 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 13h 15m.

  • 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 $561Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $600Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $759Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
LufthansaPriceFrom $968Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights

Traveling to a place near Lisbon?

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

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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