Cheap flights from Washington, D.C. Reagan-National Airport to Lisbon from $480

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 6/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
6:59 am - 6:30 am
DCA
-
LIS
18h 31m
2 stops
Multiple Airlines Logo
8:15 am - 12:00 pm
LIS
-
DCA
32h 45m
3 stops
$1,031Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
6:00 am - 9:35 am
DCA
-
LIS
22h 35m
2 stops
Multiple Airlines Logo
8:15 am - 7:57 pm
LIS
-
DCA
16h 42m
2 stops
$1,032Multiple Airlines
Mon, Jul 27 - Wed, Aug 5
Multiple Airlines Logo
6:55 pm - 11:20 am
DCA
-
LIS
11h 25m
1 stop
Multiple Airlines Logo
6:10 am - 9:48 pm
LIS
-
DCA
20h 38m
2 stops
$1,033Multiple Airlines
Fri, Jul 3 - Thu, Aug 27
Multiple Airlines Logo
11:00 am - 3:45 pm
DCA
-
LIS
23h 45m
2 stops
Multiple Airlines Logo
7:15 am - 7:58 pm
LIS
-
DCA
17h 43m
2 stops
$1,034Multiple Airlines
Tue, Aug 18 - Wed, Aug 26
Multiple Airlines Logo
5:15 pm - 11:50 am
DCA
-
LIS
13h 35m
2 stops
Multiple Airlines Logo
2:05 pm - 8:05 am
LIS
-
DCA
23h 00m
2 stops
$1,035Multiple Airlines
Sun, Nov 1 - Sun, Nov 15
Multiple Airlines Logo
11:00 am - 6:30 am
DCA
-
LIS
14h 30m
2 stops
Multiple Airlines Logo
6:10 am - 9:48 pm
LIS
-
DCA
20h 38m
2 stops
$1,036Multiple Airlines
Wed, Aug 5 - Sun, Aug 9
Multiple Airlines Logo
6:59 am - 6:30 am
DCA
-
LIS
18h 31m
2 stops
Multiple Airlines Logo
8:15 am - 12:00 pm
LIS
-
DCA
32h 45m
3 stops
$1,037Multiple Airlines
Mon, Jul 6 - Wed, Jul 15
Multiple Airlines Logo
6:00 am - 9:45 pm
DCA
-
LIS
34h 45m
3 stops
Multiple Airlines Logo
6:10 am - 6:12 pm
LIS
-
DCA
17h 02m
2 stops
$1,038Multiple Airlines
Tue, Jul 21 - Thu, Jul 30
Air Canada Logo
4:20 pm - 9:20 am
DCA
-
LIS
12h 00m
1 stop
Air Canada Logo
11:25 am - 9:48 pm
LIS
-
DCA
15h 23m
1 stop
$1,039Air Canada
Thu, Aug 20 - Mon, Aug 31
Multiple Airlines Logo
6:00 am - 6:30 am
DCA
-
LIS
19h 30m
1 stop
Multiple Airlines Logo
11:35 am - 12:00 pm
LIS
-
DCA
29h 25m
3 stops
$1,040Multiple Airlines
Tue, Jul 7 - Sun, Jul 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Lisbon flight tickets
Delta
Nov 8
DCA10:35 amWashington, D.C. Reagan-National
17h 25m
1 stop
LIS9:00 amLisbon Humberto Delgado
Nov 16
LIS11:30 amLisbon Humberto Delgado
17h 00m
2 stops
DCA11:30 pmWashington, D.C. Reagan-National
$1,065
Delta
Oct 28
DCA3:05 pmWashington, D.C. Reagan-National
12h 55m
2 stops
LIS8:00 amLisbon Humberto Delgado
Nov 8
LIS5:00 amLisbon Humberto Delgado
18h 05m
2 stops
DCA6:05 pmWashington, D.C. Reagan-National
$1,069

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

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Lisbon flight tickets
British Airways
Oct 28
DCA5:30 pmWashington, D.C. Reagan-National
14h 40m
2 stops
LIS12:10 pmLisbon Humberto Delgado
Nov 3
LIS7:40 pmLisbon Humberto Delgado
26h 11m
2 stops
DCA4:51 pmWashington, D.C. Reagan-National
$1,070
British Airways
Nov 4
DCA3:59 pmWashington, D.C. Reagan-National
15h 11m
2 stops
LIS12:10 pmLisbon Humberto Delgado
Nov 10
LIS7:40 pmLisbon Humberto Delgado
26h 11m
2 stops
DCA4:51 pmWashington, D.C. Reagan-National
$1,071
British Airways
Oct 28
DCA1:44 pmWashington, D.C. Reagan-National
15h 21m
1 stop
LIS9:05 amLisbon Humberto Delgado
Nov 3
LIS7:40 pmLisbon Humberto Delgado
26h 11m
2 stops
DCA4:51 pmWashington, D.C. Reagan-National
$1,073

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 June 14, 2026.
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

Cheapest round-trip

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 8/10

6:59 am-6:30 am

2 stops18h 31m

Lisbon Humberto Delgado

Mon 8/17

8:15 am-12:00 pm

3 stops32h 45m

$1,031

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 7/27

6:00 am-9:35 am

2 stops22h 35m

Lisbon Humberto Delgado

Wed 8/5

8:15 am-7:57 pm

2 stops16h 42m

$1,032

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 7/3

6:55 pm-11:20 am

1 stop11h 25m

Lisbon Humberto Delgado

Thu 8/27

6:10 am-9:48 pm

2 stops20h 38m

$1,033

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 8/18

11:00 am-3:45 pm

2 stops23h 45m

Lisbon Humberto Delgado

Wed 8/26

7:15 am-7:58 pm

2 stops17h 43m

$1,034

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Sun 11/1

5:15 pm-11:50 am

2 stops13h 35m

Lisbon Humberto Delgado

Sun 11/15

2:05 pm-8:05 am

2 stops23h 00m

$1,035

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 8/5

11:00 am-6:30 am

2 stops14h 30m

Lisbon Humberto Delgado

Sun 8/9

6:10 am-9:48 pm

2 stops20h 38m

$1,036

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Mon 7/6

6:59 am-6:30 am

2 stops18h 31m

Lisbon Humberto Delgado

Wed 7/15

8:15 am-12:00 pm

3 stops32h 45m

$1,037

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 7/21

6:00 am-9:45 pm

3 stops34h 45m

Lisbon Humberto Delgado

Thu 7/30

6:10 am-6:12 pm

2 stops17h 02m

$1,038
Quickest round-trip

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 8/20

4:20 pm-9:20 am

1 stop12h 00m

Lisbon Humberto Delgado

Mon 8/31

11:25 am-9:48 pm

1 stop15h 23m

$1,039

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 7/7

6:00 am-6:30 am

1 stop19h 30m

Lisbon Humberto Delgado

Sun 7/12

11:35 am-12:00 pm

3 stops29h 25m

$1,040

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Lisbon?

What is the cheapest month to fly to Lisbon?

In general, December 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 $0. If you are unable to visit Lisbon during the month of December, then departing from Washington, D.C. Reagan-National Airport during the month April is also very affordable. Most momondo users find prices during this month for around $0.

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 $767. 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 $900.

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 $781. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $860 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 77% 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

15h 50m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Lisbon takes 15h 50m
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.

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Lisbon

  • 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 15h 50m.

  • 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 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.

Traveling to a place near Lisbon?

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

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.

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/14
Tue 7/21

Find better results for your trip to Portugal