How does KAYAK find such low prices on flights from District of Columbia to Lisbon?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Lisbon.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Lisbon?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from District of Columbia to Lisbon?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Lisbon with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Lisbon?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Lisbon from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$399 CHEAP FLIGHTS from District of Columbia to Lisbon

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Cheap Flights from District of Columbia to Lisbon

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from District of Columbia to Lisbon

Sun, Jan 10 - Wed, Jan 20

9:05 pm - 11:35 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

9h 30m1 stop Casablanca Mohamed V

11:40 am - 7:05 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

12h 25m1 stop Casablanca Mohamed V

$649Royal Air Maroc

Wed, Feb 10 - Thu, Feb 11

9:05 pm - 11:35 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

9h 30m1 stop Casablanca Mohamed V

5:55 pm - 7:05 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

30h 10m1 stop Casablanca Mohamed V

$649Royal Air Maroc

Wed, Nov 18 - Thu, Nov 26

11:20 am - 7:45 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

15h 25m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl

9:25 am - 10:38 amLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

30h 13m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Island

$681Porter Airlines

Mon, Nov 9 - Sun, Nov 15

8:30 pm - 4:05 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

14h 35m1 stop Kastrup Copenhagen

4:55 pm - 5:15 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

29h 20m1 stop Kastrup Copenhagen

$682Scandinavian Airlines

Mon, Nov 9 - Fri, Nov 13

8:30 pm - 4:05 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

14h 35m1 stop Kastrup Copenhagen

4:55 pm - 6:50 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

30h 55m1 stop Kastrup Copenhagen

$682Scandinavian Airlines

Sat, Oct 17 - Tue, Oct 27

11:12 am - 8:10 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

27h 58m2 stops Orlando London Gatwick

8:20 am - 5:20 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$682Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

5:15 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$710TAP AIR PORTUGAL

Wed, Sep 23 - Tue, Oct 6

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

11:40 am - 3:10 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

$728TAP AIR PORTUGAL

Tue, Nov 10 - Wed, Nov 18

10:55 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

19h 35m1 stop Munich Franz Josef Strauss

5:00 am - 3:55 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

15h 55m1 stop Frankfurt am Main

$734Lufthansa

Tue, Nov 17 - Tue, Nov 24

10:55 pm - 11:30 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

19h 35m1 stop Munich Franz Josef Strauss

5:00 am - 3:55 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

15h 55m1 stop Frankfurt am Main

$734Lufthansa

Recent last minute flight deals from District of Columbia to Lisbon

Tue, Aug 25 - Tue, Sep 1

8:20 pm - 11:50 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

22h 30m2 stops Zurich Milan Malpensa

9:15 pm - 7:01 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

26h 46m3 stops Barcelona-El Prat Milan Malpensa Montreal Pierre Elliott Trudeau Intl

$963Multiple Airlines

Tue, Aug 25 - Tue, Sep 1

9:45 am - 11:50 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

33h 05m3 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main Milan Malpensa

9:15 pm - 7:01 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

26h 46m3 stops Barcelona-El Prat Milan Malpensa Montreal Pierre Elliott Trudeau Intl

$985Multiple Airlines

Sat, Aug 22 - Tue, Sep 1

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

5:15 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$1,009TAP AIR PORTUGAL

Sun, Aug 23 - Tue, Sep 1

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

5:15 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$1,025JetBlue

Sun, Aug 23 - Tue, Sep 1

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

5:15 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$1,036TAP AIR PORTUGAL

Sat, Aug 22 - Mon, Aug 31

9:00 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

15h 40m1 stop Casablanca Mohamed V

6:40 pm - 7:00 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

29h 20m1 stop Casablanca Mohamed V

$1,068Royal Air Maroc

Sat, Aug 22 - Tue, Sep 1

9:00 pm - 5:40 pmIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

15h 40m1 stop Casablanca Mohamed V

6:40 pm - 7:00 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

29h 20m1 stop Casablanca Mohamed V

$1,069Royal Air Maroc

Mon, Aug 24 - Tue, Aug 25

10:25 pm - 10:30 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 05mnonstop

12:35 pm - 3:30 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

31h 55m2 stops Frankfurt am Main London Heathrow

$1,588Lufthansa

Tue, Aug 25 - Tue, Sep 1

10:25 pm - 10:30 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 05mnonstop

12:20 pm - 3:15 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

7h 55mnonstop

$1,765Lufthansa

Sat, Aug 22 - Mon, Aug 24

5:05 pm - 5:30 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 25mnonstop

11:40 am - 3:05 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 25mnonstop

$3,638JetBlue

Recent direct flight deals from District of Columbia to Lisbon

Thu, Oct 1 - Thu, Oct 8

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

5:15 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$710TAP AIR PORTUGAL

Wed, Sep 23 - Tue, Oct 6

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

11:40 am - 3:10 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

$728TAP AIR PORTUGAL

Wed, Sep 30 - Thu, Oct 15

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

5:15 pm - 8:35 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$753JetBlue

Thu, Oct 22 - Sat, Oct 31

10:35 pm - 10:55 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 20mnonstop

11:25 am - 4:15 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 50mnonstop

$753JetBlue

Tue, Nov 17 - Wed, Nov 25

10:15 pm - 10:05 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

11:55 am - 3:15 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$762United Airlines

Wed, Nov 18 - Wed, Nov 25

10:30 pm - 10:20 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

11:55 am - 3:15 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$762United Airlines

Sun, Dec 13 - Tue, Dec 22

10:15 pm - 10:05 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

12:20 pm - 3:40 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$782Lufthansa

Wed, Oct 28 - Wed, Nov 4

11:30 pm - 10:20 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

11:55 am - 3:15 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 20mnonstop

$811Lufthansa

Wed, Oct 14 - Sat, Oct 17

10:25 pm - 10:30 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

7h 05mnonstop

11:40 am - 3:10 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 30mnonstop

$1,272Multiple Airlines

Tue, Nov 24 - Thu, Nov 26

10:15 pm - 10:05 amIAD Washington, D.C. Dulles Intl-LIS Lisbon Humberto Delgado

6h 50mnonstop

11:25 am - 3:15 pmLIS Lisbon Humberto Delgado-IAD Washington, D.C. Dulles Intl

8h 50mnonstop

$1,392Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$399

Best time to beat the crowds with an average 33% drop in price.

Most popular time to fly with an average 28% increase in price.

Flight from Washington Dulles Airport to Lisbon

How does KAYAK find such low prices on flights from District of Columbia to Lisbon?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Lisbon.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Lisbon?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Lisbon from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from District of Columbia to Lisbon?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Lisbon with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Lisbon?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Lisbon from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Setúbal

Óbidos

Tomar

Costa da Caparica

Sines

Almada

Torres Vedras

Caldas da Rainha

Colares

Zambujeira do Mar

Beja

Madeira

Batalha

Everything you need to know for your flight to Lisbon

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Complete your trip

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Information on the airport you'll fly into in Lisbon

Lisbon (LIS)

LIS

$399 Find Cheap Flights from District of Columbia to Lisbon - Compare and Save

Cheap Flights from District of Columbia to Lisbon

Recent round-trip flight deals from District of Columbia to Lisbon

Recent one-way flight deals from District of Columbia to Lisbon

Recent last minute flight deals from District of Columbia to Lisbon

Recent direct flight deals from District of Columbia to Lisbon

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from District of Columbia to Lisbon

Traveling to a place near Lisbon?

Everything you need to know for your flight to Lisbon

Information on the airport you'll fly into in Lisbon

Cabin class types available on flights to District of Columbia

Complete your trip to Lisbon with a hotel stay or car rental

Find direct flights for Lisbon

Flights to other popular destinations

Flights from domestic origins to Lisbon

Choose which airport to fly into in Lisbon