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Cheap flights from Lisbon to District of Columbia from $377

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 District of Columbia departing on 11/14. 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

Scandinavian Airlines Logo
3:45 pm - 6:50 pmLIS-IAD
32h 05m1 stop
Scandinavian Airlines Logo
8:30 pm - 4:05 pmIAD-LIS
14h 35m1 stop
$452Scandinavian Airlines
Find Deal
Fri, Nov 21 - Thu, Dec 11
SWISS Logo
5:55 am - 4:15 pmLIS-IAD
15h 20m1 stop
SWISS Logo
8:45 pm - 5:20 pmIAD-LIS
15h 35m1 stop
$492SWISS
Find Deal
Thu, Sep 25 - Mon, Sep 29
British Airways Logo
7:20 am - 8:15 pmLIS-IAD
17h 55m1 stop
British Airways Logo
7:20 pm - 10:25 pmIAD-LIS
23h 05m1 stop
$522British Airways
Find Deal
Fri, Oct 24 - Fri, Oct 31
British Airways Logo
7:05 am - 3:35 pmLIS-IAD
13h 30m1 stop
British Airways Logo
6:20 pm - 2:55 pmIAD-LIS
15h 35m1 stop
$525British Airways
Find Deal
Wed, Nov 5 - Mon, Nov 10
Lufthansa Logo
5:00 am - 3:50 pmLIS-IAD
15h 50m1 stop
Lufthansa Logo
10:05 pm - 10:15 amIAD-LIS
7h 10mnonstop
$541Lufthansa
Find Deal
Fri, Nov 7 - Sun, Nov 23
TAP AIR PORTUGAL Logo
5:30 pm - 8:50 pmLIS-IAD
8h 20mnonstop
TAP AIR PORTUGAL Logo
10:20 pm - 10:40 amIAD-LIS
7h 20mnonstop
$551TAP AIR PORTUGAL
Find Deal
Thu, Oct 9 - Wed, Oct 22
TAP AIR PORTUGAL Logo
5:30 pm - 8:50 pmLIS-IAD
8h 20mnonstop
TAP AIR PORTUGAL Logo
10:20 pm - 10:40 amIAD-LIS
7h 20mnonstop
$553TAP AIR PORTUGAL
Find Deal
Thu, Oct 9 - Wed, Oct 22
United Airlines Logo
11:55 am - 3:30 pmLIS-IAD
8h 35mnonstop
United Airlines Logo
9:45 am - 9:20 amIAD-LIS
18h 35m1 stop
$565United Airlines
Find Deal
Thu, Dec 18 - Thu, Jan 8
United Airlines Logo
11:55 am - 3:30 pmLIS-IAD
8h 35mnonstop
United Airlines Logo
1:15 pm - 9:20 amIAD-LIS
15h 05m1 stop
$567United Airlines
Find Deal
Thu, Dec 18 - Thu, Jan 8
Lufthansa Logo
6:15 am - 7:25 pmLIS-IAD
18h 10m1 stop
Lufthansa Logo
10:15 pm - 10:30 amIAD-LIS
7h 15mnonstop
$571Lufthansa
Find Deal
Thu, Oct 9 - Wed, Oct 22

Iberia flights from Lisbon to District of Columbia

Our best Iberia deals on Lisbon to District of Columbia flight tickets
Iberia
Sep 26
LIS6:35 amLisbon Humberto Delgado
13h 25m
1 stop
IAD3:00 pmWashington, D.C. Dulles Intl
Oct 15
IAD4:35 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
LIS11:50 amLisbon Humberto Delgado
$539
Find similar
Iberia
Jan 8
LIS8:20 amLisbon Humberto Delgado
19h 19m
2 stops
DCA10:39 pmWashington, D.C. Reagan-National
Jan 13
DCA5:49 pmWashington, D.C. Reagan-National
13h 01m
2 stops
LIS11:50 amLisbon Humberto Delgado
$588
Find similar
Iberia
Sep 19
LIS11:05 amLisbon Humberto Delgado
28h 00m
2 stops
IAD10:05 amWashington, D.C. Dulles Intl
Oct 5
IAD1:53 pmWashington, D.C. Dulles Intl
15h 52m
2 stops
LIS10:45 amLisbon Humberto Delgado
$721
Find similar

United Airlines flights from Lisbon to District of Columbia

Our best United Airlines deals on Lisbon to District of Columbia flight tickets
United Airlines
Dec 18
LIS11:55 amLisbon Humberto Delgado
8h 35m
IAD3:30 pmWashington, D.C. Dulles Intl
Jan 8
IAD9:45 amWashington, D.C. Dulles Intl
18h 35m
1 stop
LIS9:20 amLisbon Humberto Delgado
$565
Find similar
United Airlines
Dec 18
LIS11:55 amLisbon Humberto Delgado
8h 35m
IAD3:30 pmWashington, D.C. Dulles Intl
Jan 8
IAD1:15 pmWashington, D.C. Dulles Intl
15h 05m
1 stop
LIS9:20 amLisbon Humberto Delgado
$567
Find similar
United Airlines
Sep 26
LIS12:20 pmLisbon Humberto Delgado
8h 25m
IAD3:45 pmWashington, D.C. Dulles Intl
Oct 14
IAD5:40 pmWashington, D.C. Dulles Intl
23h 10m
1 stop
LIS9:50 pmLisbon Humberto Delgado
$570
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to District of Columbia 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 11, 2025.
Use the filters below to find and compare flights from Lisbon to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 11/21

3:45 pm-6:50 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Thu 12/11

8:30 pm-4:05 pm

1 stop14h 35m

$452

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/25

5:55 am-4:15 pm

1 stop15h 20m

Washington, D.C. Dulles Intl

Mon 9/29

8:45 pm-5:20 pm

1 stop15h 35m

$492

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 10/24

7:20 am-8:15 pm

1 stop17h 55m

Washington, D.C. Dulles Intl

Fri 10/31

7:20 pm-10:25 pm

1 stop23h 05m

$522

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Wed 11/5

7:05 am-3:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Mon 11/10

6:20 pm-2:55 pm

1 stop15h 35m

$525

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 11/7

5:00 am-3:50 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Sun 11/23

10:05 pm-10:15 am

Nonstop7h 10m

$541

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/9

5:30 pm-8:50 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Wed 10/22

10:20 pm-10:40 am

Nonstop7h 20m

$551

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/9

5:30 pm-8:50 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Wed 10/22

10:20 pm-10:40 am

Nonstop7h 20m

$553

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 12/18

11:55 am-3:30 pm

Nonstop8h 35m

Washington, D.C. Dulles Intl

Thu 1/8

9:45 am-9:20 am

1 stop18h 35m

$565

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 12/18

11:55 am-3:30 pm

Nonstop8h 35m

Washington, D.C. Dulles Intl

Thu 1/8

1:15 pm-9:20 am

1 stop15h 05m

$567

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 10/9

6:15 am-7:25 pm

1 stop18h 10m

Washington, D.C. Dulles Intl

Wed 10/22

10:15 pm-10:30 am

Nonstop7h 15m

$571

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 District of Columbia from

How to get the cheapest flight ticket from Lisbon to District of Columbia

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 District of Columbia?

In general, September is the cheapest month to fly from Lisbon to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $522. If you don’t want to visit District of Columbia in September, then you should wait until March to fly from Lisbon, when ticket prices are also cheap, with an average price of $560.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Wednesday when prices can be found for as low as $716. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Lisbon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $881.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Lisbon at noon is the least expensive time of day to depart. momondo users have found prices as low as $484 when looking at flights departing at noon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $778. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Lisbon Humberto Delgado to District of Columbia flight route?

Fly from Lisbon Humberto Delgado to Washington, D.C. Dulles Intl for the best Lisbon Humberto Delgado - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $719 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Lisbon for as low as $581 on momondo.

What cabin class options are available on Lisbon Humberto Delgado to District of Columbia flights?

There are 3 cabin classes available to choose from on Lisbon Humberto Delgado to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Lisbon to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to District of Columbia

Best Price Found

$443

Fastest flight time

8h 20m

Direct flights

Every day

Airports in District of Columbia

1 airport
The best one-way flight to District of Columbia from Lisbon in the past 72 hours is $443. The best round-trip flight deal from Lisbon to District of Columbia found on momondo in the last 72 hours is $764.
The fastest flight from Lisbon to District of Columbia takes 8h 20m
Direct flights go from Lisbon to District of Columbia every day.
There is 1 airport near District of Columbia: Washington, D.C. Dulles Intl (IAD)
Search flight deals

  • When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to District of Columbia?

    Prices for flights from Lisbon Humberto Delgado Airport to District of Columbia were last updated today.

  • How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to District of Columbia?

  • How old do you have to be to fly from Lisbon Humberto Delgado Airport to District of Columbia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The necessary travel and health documents for your District of Columbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Lisbon to District of Columbia?

Best airlines flying from Lisbon to District of Columbia

Compare and see reviews for airlines that fly from Lisbon to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $493Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
United AirlinesPriceFrom $534Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $541Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to District of Columbia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Lisbon to District of Columbia. momondo saves you time and could save you money on your trip.

Can I find flights from Lisbon to District of Columbia with flexible booking policies on momondo?

momondo does allow users to show only those flights to District of Columbia 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 District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from Lisbon. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Lisbon to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Lisbon to District of Columbia 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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