How many flights depart from Lisbon to District of Columbia on average per day?

7 flights are operational daily from Lisbon to District of Columbia as of August 2026. The most popular departure time for this route is 12:00PM, with 71% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Lisbon Humberto Delgado to District of Columbia?

Finnair, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from Lisbon Humberto Delgado to District of Columbia

How many flights depart from Lisbon to District of Columbia on average per week?

The number of flights available between Lisbon and District of Columbia is 52 per week as of August 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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?

As of August 2026, there are 2 operators available to choose from 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.

$527 Cheap Flights from Lisbon to District of Columbia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Lisbon to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:55 am - 4:45 pm

LIS

IAD

15h 50m

1 stop

8:20 pm - 11:25 pm

IAD

LIS

22h 05m

1 stop

$575SWISS

Fri, Sep 4 - Tue, Sep 15

5:15 pm - 8:35 pm

LIS

IAD

8h 20mnonstop

5:45 pm - 6:10 am

IAD

LIS

7h 25mnonstop

$593TAP AIR PORTUGAL

Thu, Sep 17 - Wed, Sep 23

5:55 am - 4:45 pm

LIS

IAD

15h 50m

1 stop

8:20 pm - 11:25 pm

IAD

LIS

22h 05m

1 stop

$600SWISS

Fri, Sep 4 - Tue, Sep 15

5:15 pm - 8:35 pm

LIS

IAD

8h 20mnonstop

5:45 pm - 6:10 am

IAD

LIS

7h 25mnonstop

$603TAP AIR PORTUGAL

Thu, Sep 17 - Wed, Sep 23

6:35 am - 6:50 pm

LIS

IAD

17h 15m

1 stop

10:45 pm - 9:45 pm

IAD

LIS

19h 00m

1 stop

$608Multiple Airlines

Tue, Oct 13 - Tue, Oct 27

5:15 pm - 8:35 pm

LIS

IAD

8h 20mnonstop

5:05 pm - 5:30 am

IAD

LIS

7h 25mnonstop

$611TAP AIR PORTUGAL

Fri, Oct 2 - Sat, Oct 10

8:25 am - 6:55 pm

LIS

IAD

15h 30m

1 stop

10:25 pm - 3:35 pm

IAD

LIS

12h 10m

1 stop

$613Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

5:05 am - 1:35 pm

LIS

IAD

13h 30m

1 stop

10:25 pm - 10:30 am

IAD

LIS

7h 05mnonstop

$691United Airlines

Fri, Sep 4 - Tue, Sep 15

5:00 am - 3:55 pm

LIS

IAD

15h 55m

1 stop

10:30 pm - 10:20 am

IAD

LIS

6h 50mnonstop

$691United Airlines

Fri, Nov 20 - Mon, Nov 23

5:00 am - 8:05 pm

LIS

IAD

20h 05m

1 stop

5:50 pm - 8:10 am

IAD

LIS

9h 20m

1 stop

$691United Airlines

Fri, Nov 20 - Mon, Nov 23

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American Airlines flights from Lisbon to District of Columbia

Our best American Airlines deals on Lisbon to District of Columbia flight tickets

American Airlines

Sep 17

LIS6:35 amLisbon Humberto Delgado

17h 20m

1 stop

IAD6:55 pmWashington, D.C. Dulles Intl

Sep 23

IAD10:25 pmWashington, D.C. Dulles Intl

19h 50m

1 stop

LIS11:15 pmLisbon Humberto Delgado

$628

American Airlines

Oct 29

LIS8:20 amLisbon Humberto Delgado

13h 00m

1 stop

IAD5:20 pmWashington, D.C. Dulles Intl

Nov 8

IAD6:05 pmWashington, D.C. Dulles Intl

13h 00m

1 stop

LIS12:05 pmLisbon Humberto Delgado

$629

American Airlines

Sep 17

LIS6:35 amLisbon Humberto Delgado

17h 20m

1 stop

IAD6:55 pmWashington, D.C. Dulles Intl

Sep 23

IAD10:25 pmWashington, D.C. Dulles Intl

19h 50m

1 stop

LIS11:15 pmLisbon Humberto Delgado

$630

British Airways flights from Lisbon to District of Columbia

Our best British Airways deals on Lisbon to District of Columbia flight tickets

British Airways

Aug 24

LIS6:45 pmLisbon Humberto Delgado

26h 10m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

Sep 8

IAD5:45 pmWashington, D.C. Dulles Intl

16h 50m

1 stop

LIS3:35 pmLisbon Humberto Delgado

$639

British Airways

Aug 24

LIS11:05 amLisbon Humberto Delgado

15h 08m

1 stop

DCA9:13 pmWashington, D.C. Reagan-National

Sep 7

DCA6:23 pmWashington, D.C. Reagan-National

18h 32m

2 stops

LIS5:55 pmLisbon Humberto Delgado

$649

British Airways

Aug 24

LIS11:05 amLisbon Humberto Delgado

15h 08m

1 stop

DCA9:13 pmWashington, D.C. Reagan-National

Sep 7

DCA6:23 pmWashington, D.C. Reagan-National

18h 32m

2 stops

LIS5:55 pmLisbon Humberto Delgado

$650

momondo Fare Finder

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

Cheapest round-trip

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 9/4

5:55 am-4:45 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Tue 9/15

8:20 pm-11:25 pm

1 stop22h 05m

$575

Quickest round-trip

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/17

5:15 pm-8:35 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Wed 9/23

5:45 pm-6:10 am

Nonstop7h 25m

$593

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 9/4

5:55 am-4:45 pm

1 stop15h 50m

Washington, D.C. Dulles Intl

Tue 9/15

8:20 pm-11:25 pm

1 stop22h 05m

$600

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/17

5:15 pm-8:35 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Wed 9/23

5:45 pm-6:10 am

Nonstop7h 25m

$603

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Tue 10/13

6:35 am-6:50 pm

1 stop17h 15m

Washington, D.C. Dulles Intl

Tue 10/27

10:45 pm-9:45 pm

1 stop19h 00m

$608

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 10/2

5:15 pm-8:35 pm

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sat 10/10

5:05 pm-5:30 am

Nonstop7h 25m

$611

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Thu 9/3

8:25 am-6:55 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

Tue 9/15

10:25 pm-3:35 pm

1 stop12h 10m

$613

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 9/4

5:05 am-1:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

Tue 9/15

10:25 pm-10:30 am

Nonstop7h 05m

$691

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 11/20

5:00 am-3:55 pm

1 stop15h 55m

Washington, D.C. Dulles Intl

Mon 11/23

10:30 pm-10:20 am

Nonstop6h 50m

$691

LisbonWashington, D.C.

LIS - IAD

LISIAD

Lisbon Humberto Delgado

Fri 11/20

5:00 am-8:05 pm

1 stop20h 05m

Washington, D.C. Dulles Intl

Mon 11/23

5:50 pm-8:10 am

1 stop9h 20m

$691

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to District of Columbia?

In general, December 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 $639. If you don’t want to visit District of Columbia in December, then you should wait until March to fly from Lisbon, when ticket prices are also cheap, with an average price of $665.

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 $898. 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 $1,111.

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

Flying to District of Columbia from Lisbon in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $705 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $964. 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

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

There are 3 cabin classes available to choose from on Lisbon 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.

Can stopping save me money on Lisbon to District of Columbia flights?

You could potentially save up to 62% on your flight if you consider stops on a Lisbon to District of Columbia flight.

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	$699
Fastest flight time	8h 20m
Direct flights	Every day
Airports in District of Columbia	2 airports

The best one-way flight to District of Columbia from Lisbon in the past 72 hours is $699. The best round-trip flight deal from Lisbon to District of Columbia found on momondo in the last 72 hours is $765.

The fastest flight from Lisbon to District of Columbia takes 8h 20m

Direct flights go from Lisbon to District of Columbia every day.

There are 2 airports in District of Columbia. From Lisbon there are direct flights to Washington, D.C. Dulles Intl (IAD).

Search flight deals

Frequently asked questions about flying from Lisbon to District of Columbia

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?
As of August 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Lisbon and District of Columbia, the leading plane model is Boeing 777, making up 32.91% of the total bookings. Other popular models include Airbus A321neo with 21.19%, Airbus A330-900neo with 10.11%, and Airbus A321-100/200 with 8.35%.

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
United Airlines	PriceFrom $497	Free Cancellation	Rating 7.4 10,058 reviews		Search United Airlines flights
TAP AIR PORTUGAL	PriceFrom $569	Free Cancellation	Rating 7.2 2,354 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.