Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to Lisbon from $326

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 5/10. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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.
Search flight deals

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.
British Airways Logo
4:43 pm - 11:05 pm
DCA
-
LIS
25h 22m
2 stops
British Airways Logo
6:45 pm - 6:58 pm
LIS
-
DCA
29h 13m
2 stops
$547British Airways
Thu, Apr 9 - Tue, Apr 14
British Airways Logo
5:59 pm - 11:00 pm
DCA
-
LIS
24h 01m
2 stops
British Airways Logo
1:40 pm - 7:46 am
LIS
-
DCA
23h 06m
2 stops
$548British Airways
Tue, Apr 7 - Tue, Apr 14
British Airways Logo
7:46 pm - 11:05 pm
DCA
-
LIS
22h 19m
2 stops
British Airways Logo
6:45 pm - 8:19 pm
LIS
-
DCA
30h 34m
2 stops
$549British Airways
Thu, Apr 23 - Tue, Apr 28
Multiple Airlines Logo
4:10 pm - 9:05 pm
DCA
-
LIS
24h 55m
3 stops
Multiple Airlines Logo
9:00 pm - 9:56 pm
LIS
-
DCA
28h 56m
3 stops
$576Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Scandinavian Airlines Logo
11:00 am - 10:05 pm
DCA
-
LIS
30h 05m
2 stops
Scandinavian Airlines Logo
7:00 am - 10:41 pm
LIS
-
DCA
20h 41m
2 stops
$580Scandinavian Airlines
Tue, Apr 28 - Sat, May 2
Multiple Airlines Logo
6:00 am - 4:10 pm
DCA
-
LIS
29h 10m
2 stops
Multiple Airlines Logo
7:00 am - 10:41 pm
LIS
-
DCA
20h 41m
2 stops
$586Multiple Airlines
Fri, Apr 17 - Thu, Apr 30
Multiple Airlines Logo
6:00 am - 10:45 am
DCA
-
LIS
23h 45m
2 stops
Multiple Airlines Logo
8:00 am - 9:56 pm
LIS
-
DCA
17h 56m
2 stops
$587Multiple Airlines
Tue, Mar 3 - Wed, Mar 11
Multiple Airlines Logo
11:05 am - 9:05 pm
DCA
-
LIS
30h 00m
3 stops
Multiple Airlines Logo
9:00 pm - 9:56 pm
LIS
-
DCA
28h 56m
3 stops
$588Multiple Airlines
Wed, Mar 18 - Tue, Mar 24
British Airways Logo
4:43 pm - 2:30 pm
DCA
-
LIS
16h 47m
2 stops
British Airways Logo
7:20 am - 6:58 pm
LIS
-
DCA
16h 38m
2 stops
$594British Airways
Tue, Apr 7 - Wed, Apr 15
Multiple Airlines Logo
9:40 am - 10:45 am
DCA
-
LIS
20h 05m
3 stops
Multiple Airlines Logo
8:00 am - 9:56 pm
LIS
-
DCA
17h 56m
2 stops
$595Multiple Airlines
Tue, Mar 3 - Wed, Mar 11

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
Apr 28
DCA11:00 amWashington, D.C. Reagan-National
30h 05m
2 stops
LIS10:05 pmLisbon Humberto Delgado
May 2
LIS7:00 amLisbon Humberto Delgado
20h 41m
2 stops
DCA10:41 pmWashington, D.C. Reagan-National
$580
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 56m
2 stops
DCA10:41 pmWashington, D.C. Reagan-National
$596
Scandinavian Airlines
Mar 3
DCA11:06 amWashington, D.C. Reagan-National
23h 34m
2 stops
LIS3:40 pmLisbon Humberto Delgado
Mar 11
LIS7:00 pmLisbon Humberto Delgado
31h 36m
2 stops
DCA10:36 pmWashington, D.C. Reagan-National
$612

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
Feb 8
DCA8:10 pmWashington, D.C. Reagan-National
10h 30m
1 stop
LIS11:40 amLisbon Humberto Delgado
Feb 11
LIS4:00 pmLisbon Humberto Delgado
21h 29m
2 stops
DCA8:29 amWashington, D.C. Reagan-National
$1,123
TAP AIR PORTUGAL
Jan 31
DCA8:10 pmWashington, D.C. Reagan-National
15h 40m
2 stops
LIS4:50 pmLisbon Humberto Delgado
Feb 6
LIS11:40 amLisbon Humberto Delgado
15h 05m
1 stop
DCA9:45 pmWashington, D.C. Reagan-National
$1,128
TAP AIR PORTUGAL
Feb 6
DCA10:05 amWashington, D.C. Reagan-National
14h 30m
1 stop
LIS5:35 amLisbon Humberto Delgado
Feb 9
LIS6:00 pmLisbon Humberto Delgado
43h 32m
2 stops
DCA8:32 amWashington, D.C. Reagan-National
$1,147

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 January 29, 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

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 4/9

4:43 pm-11:05 pm

2 stops25h 22m

Lisbon Humberto Delgado

Tue 4/14

6:45 pm-6:58 pm

2 stops29h 13m

$547

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 4/7

5:59 pm-11:00 pm

2 stops24h 01m

Lisbon Humberto Delgado

Tue 4/14

1:40 pm-7:46 am

2 stops23h 06m

$548

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Thu 4/23

7:46 pm-11:05 pm

2 stops22h 19m

Lisbon Humberto Delgado

Tue 4/28

6:45 pm-8:19 pm

2 stops30h 34m

$549

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 3/11

4:10 pm-9:05 pm

3 stops24h 55m

Lisbon Humberto Delgado

Wed 3/18

9:00 pm-9:56 pm

3 stops28h 56m

$576

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 4/28

11:00 am-10:05 pm

2 stops30h 05m

Lisbon Humberto Delgado

Sat 5/2

7:00 am-10:41 pm

2 stops20h 41m

$580

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-4:10 pm

2 stops29h 10m

Lisbon Humberto Delgado

Thu 4/30

7:00 am-10:41 pm

2 stops20h 41m

$586

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 3/3

6:00 am-10:45 am

2 stops23h 45m

Lisbon Humberto Delgado

Wed 3/11

8:00 am-9:56 pm

2 stops17h 56m

$587

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Wed 3/18

11:05 am-9:05 pm

3 stops30h 00m

Lisbon Humberto Delgado

Tue 3/24

9:00 pm-9:56 pm

3 stops28h 56m

$588

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 4/7

4:43 pm-2:30 pm

2 stops16h 47m

Lisbon Humberto Delgado

Wed 4/15

7:20 am-6:58 pm

2 stops16h 38m

$594

Washington, D.C.Lisbon

DCA - LIS

DCALIS

Washington, D.C. Reagan-National

Tue 3/3

9:40 am-10:45 am

3 stops20h 05m

Lisbon Humberto Delgado

Wed 3/11

8:00 am-9:56 pm

2 stops17h 56m

$595

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 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 $694. 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 $854.

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 $743. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $811 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

9h 41m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Lisbon takes 9h 41m
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 9h 41m.

  • 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
2,130 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom $759Free CancellationRating
7.4
9,215 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
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Peniche
Leiria
Oeiras
Sesimbra
Evora
Tomar
Figueira da Foz
Zambujeira do Mar
Batalha
Óbidos
Comporta
Torres Vedras
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal