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Cheap flights from Lisbon to Washington, D.C. from $375

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Washington, D.C. departing on 6/4. 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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Cheap round-trip flights

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Delta Logo
11:55 am - 11:24 pm
LIS
-
DCA
16h 29m
2 stops
Delta Logo
11:55 am - 8:50 am
DCA
-
LIS
15h 55m
2 stops
$583Delta
Thu, May 21 - Tue, May 26
Delta Logo
11:55 am - 11:24 pm
LIS
-
DCA
16h 29m
2 stops
Delta Logo
5:00 pm - 8:00 am
DCA
-
LIS
10h 00m
1 stop
$587Delta
Thu, May 21 - Tue, May 26
Delta Logo
5:35 am - 6:59 pm
LIS
-
DCA
18h 24m
2 stops
Delta Logo
11:00 am - 8:50 am
DCA
-
LIS
16h 50m
2 stops
$590Delta
Fri, Apr 24 - Tue, May 5
Delta Logo
10:00 am - 5:30 pm
LIS
-
DCA
12h 30m
1 stop
Delta Logo
11:48 am - 8:50 am
DCA
-
LIS
16h 02m
2 stops
$596Delta
Fri, Apr 24 - Tue, May 5
Virgin Atlantic Logo
10:00 am - 4:59 pm
LIS
-
DCA
11h 59m
1 stop
Virgin Atlantic Logo
5:00 pm - 8:00 am
DCA
-
LIS
10h 00m
1 stop
$601Virgin Atlantic
Thu, May 21 - Tue, May 26
United Airlines Logo
10:15 am - 8:29 am
LIS
-
DCA
26h 14m
1 stop
United Airlines Logo
10:20 am - 8:20 am
DCA
-
LIS
17h 00m
1 stop
$637United Airlines
Fri, Mar 27 - Sun, Apr 5
United Airlines Logo
10:25 am - 4:24 pm
LIS
-
DCA
10h 59m
1 stop
United Airlines Logo
3:05 pm - 8:20 am
DCA
-
LIS
12h 15m
1 stop
$659United Airlines
Fri, Apr 24 - Tue, May 5
American Airlines Logo
11:05 am - 8:48 pm
LIS
-
DCA
14h 43m
1 stop
American Airlines Logo
5:59 pm - 11:50 am
DCA
-
LIS
12h 51m
2 stops
$676American Airlines
Sun, Mar 1 - Thu, Apr 30
American Airlines Logo
11:05 am - 10:24 pm
LIS
-
DCA
16h 19m
2 stops
American Airlines Logo
5:59 pm - 11:50 am
DCA
-
LIS
12h 51m
2 stops
$681American Airlines
Sun, Mar 1 - Thu, Apr 30
British Airways Logo
11:05 am - 8:43 pm
LIS
-
DCA
14h 38m
1 stop
British Airways Logo
1:20 pm - 9:05 am
DCA
-
LIS
14h 45m
1 stop
$684British Airways
Wed, Feb 25 - Sat, Mar 7

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

Our best United Airlines deals on Lisbon to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Feb 13
LIS5:00 amLisbon Humberto Delgado
17h 33m
2 stops
DCA5:33 pmWashington, D.C. Reagan-National
Feb 16
DCA6:00 pmWashington, D.C. Reagan-National
9h 10m
1 stop
LIS8:10 amLisbon Humberto Delgado
$633
United Airlines
Feb 14
LIS11:20 amLisbon Humberto Delgado
15h 36m
1 stop
DCA9:56 pmWashington, D.C. Reagan-National
Feb 20
DCA3:10 pmWashington, D.C. Reagan-National
12h 00m
1 stop
LIS8:10 amLisbon Humberto Delgado
$634
United Airlines
Feb 13
LIS5:00 amLisbon Humberto Delgado
17h 33m
2 stops
DCA5:33 pmWashington, D.C. Reagan-National
Feb 19
DCA9:05 amWashington, D.C. Reagan-National
17h 50m
2 stops
LIS7:55 amLisbon Humberto Delgado
$636

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

Our best Air Canada deals on Lisbon to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Feb 14
LIS11:20 amLisbon Humberto Delgado
16h 15m
2 stops
DCA10:35 pmWashington, D.C. Reagan-National
Feb 18
DCA11:05 amWashington, D.C. Reagan-National
17h 15m
2 stops
LIS9:20 amLisbon Humberto Delgado
$678
Air Canada
Jun 22
LIS1:00 pmLisbon Humberto Delgado
11h 57m
1 stop
DCA7:57 pmWashington, D.C. Reagan-National
Jul 11
DCA12:55 pmWashington, D.C. Reagan-National
17h 05m
2 stops
LIS11:00 amLisbon Humberto Delgado
$701
Air Canada
Jun 22
LIS11:25 amLisbon Humberto Delgado
33h 13m
1 stop
DCA3:38 pmWashington, D.C. Reagan-National
Jul 11
DCA6:59 amWashington, D.C. Reagan-National
23h 01m
1 stop
LIS11:00 amLisbon Humberto Delgado
$711

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Washington, D.C. Reagan-National Airport 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 February 5, 2026.
Use the filters below to find and compare flights from Lisbon to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 5/21

11:55 am-11:24 pm

2 stops16h 29m

Washington, D.C. Reagan-National

Tue 5/26

11:55 am-8:50 am

2 stops15h 55m

$583

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 5/21

11:55 am-11:24 pm

2 stops16h 29m

Washington, D.C. Reagan-National

Tue 5/26

5:00 pm-8:00 am

1 stop10h 00m

$587

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 4/24

5:35 am-6:59 pm

2 stops18h 24m

Washington, D.C. Reagan-National

Tue 5/5

11:00 am-8:50 am

2 stops16h 50m

$590

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 4/24

10:00 am-5:30 pm

1 stop12h 30m

Washington, D.C. Reagan-National

Tue 5/5

11:48 am-8:50 am

2 stops16h 02m

$596

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Thu 5/21

10:00 am-4:59 pm

1 stop11h 59m

Washington, D.C. Reagan-National

Tue 5/26

5:00 pm-8:00 am

1 stop10h 00m

$601

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 3/27

10:15 am-8:29 am

1 stop26h 14m

Washington, D.C. Reagan-National

Sun 4/5

10:20 am-8:20 am

1 stop17h 00m

$637

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Fri 4/24

10:25 am-4:24 pm

1 stop10h 59m

Washington, D.C. Reagan-National

Tue 5/5

3:05 pm-8:20 am

1 stop12h 15m

$659

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sun 3/1

11:05 am-8:48 pm

1 stop14h 43m

Washington, D.C. Reagan-National

Thu 4/30

5:59 pm-11:50 am

2 stops12h 51m

$676

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Sun 3/1

11:05 am-10:24 pm

2 stops16h 19m

Washington, D.C. Reagan-National

Thu 4/30

5:59 pm-11:50 am

2 stops12h 51m

$681

LisbonWashington, D.C.

LIS - DCA

LISDCA

Lisbon Humberto Delgado

Wed 2/25

11:05 am-8:43 pm

1 stop14h 38m

Washington, D.C. Reagan-National

Sat 3/7

1:20 pm-9:05 am

1 stop14h 45m

$684

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 Washington, D.C. from

How to get the cheapest flight ticket from Lisbon to Washington, D.C. Reagan-National Airport

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

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

You could potentially save up to 32% on your flight if you consider stops on a Lisbon to Washington, D.C. Reagan-National Airport flight.

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

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

Cheap Lisbon to Washington, D.C. Reagan-National Airport (LIS to DCA) flight deals and tips

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

Fastest flight time

11h 01m

Direct flights

None
The fastest flight from Lisbon to Washington, D.C. Reagan-National Airport takes 11h 01m
There are no direct flights from Lisbon to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Lisbon to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    Lisbon Humberto Delgado and Washington, D.C. Reagan-National are 3563.6 mi apart from one another. Typically, this will take 11h 01m by plane in normal conditions.

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

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

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

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 Washington, D.C. from Lisbon.

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

momondo does allow users to show only those flights to Washington, D.C. from Lisbon which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Lisbon.

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

Price alerts on flights to Washington, D.C. from Lisbon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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