What is the cheapest airline that flies from Lisbon Humberto Delgado to Washington?

KLM and Delta are the most popular carriers operating from Lisbon Humberto Delgado to Washington

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Washington?

Prices for flights from Lisbon Humberto Delgado Airport to Washington are updated daily.

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington?

As of September 2026, there is 1 operator available to choose from for flights from Lisbon Humberto Delgado Airport to Washington.

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Washington?

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 Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington 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.

$427 Cheap Flights from Lisbon to Washington in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Lisbon to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 8:40 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

22h 30m2 stops London Gatwick Reykjavik Keflavik Intl

3:35 pm - 7:15 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

20h 40m2 stops Reykjavik Keflavik Intl London Gatwick

$696Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

9:05 pm - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

27h 55m3 stops Barcelona-El Prat London Gatwick Reykjavik Keflavik Intl

2:35 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 55m3 stops Reykjavik Keflavik Intl London Heathrow Barcelona-El Prat

$726Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

9:05 pm - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

27h 55m3 stops Barcelona-El Prat London Gatwick Reykjavik Keflavik Intl

2:35 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 55m3 stops Reykjavik Keflavik Intl London Heathrow Barcelona-El Prat

$735Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

9:05 pm - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

27h 55m3 stops Barcelona-El Prat London Gatwick Reykjavik Keflavik Intl

2:35 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 55m3 stops Reykjavik Keflavik Intl London Heathrow Barcelona-El Prat

$737Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

9:00 pm - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

28h 00m3 stops Porto London Gatwick Reykjavik Keflavik Intl

2:35 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 55m3 stops Reykjavik Keflavik Intl London Heathrow Barcelona-El Prat

$739Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

9:05 pm - 5:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

27h 55m3 stops Barcelona-El Prat London Gatwick Reykjavik Keflavik Intl

2:35 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 55m3 stops Reykjavik Keflavik Intl London Heathrow Barcelona-El Prat

$752Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

7:50 pm - 12:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

24h 10m2 stops London Heathrow Frankfurt am Main

3:15 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 15m3 stops Vancouver Intl London Heathrow Barcelona-El Prat

$781Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

7:50 pm - 12:00 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

24h 10m2 stops London Heathrow Frankfurt am Main

3:15 pm - 8:30 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

33h 15m3 stops Vancouver Intl London Heathrow Barcelona-El Prat

$783Multiple Airlines

Sun, Nov 8 - Mon, Nov 23

5:00 am - 11:10 amLIS Lisbon Humberto Delgado-PDX Portland

14h 10m1 stop Amsterdam Schiphol

3:31 pm - 5:50 pmPDX Portland-LIS Lisbon Humberto Delgado

18h 19m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

$889Delta

Tue, Oct 6 - Tue, Oct 13

5:00 am - 11:47 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

10:39 am - 3:10 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

20h 31m2 stops Chicago O'Hare Intl Paris Charles de Gaulle

$889Delta

Sun, Nov 8 - Mon, Nov 23

Cheap last minute flights

Enter your travel dates to find the best prices.

11:05 am - 10:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 52m1 stop Philadelphia

8:20 pm - 6:00 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

13h 40m1 stop London Heathrow

$1,060British Airways

Tue, Sep 22 - Fri, Oct 2

11:05 am - 10:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 52m1 stop Philadelphia

8:20 pm - 6:00 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

13h 40m1 stop London Heathrow

$1,061British Airways

Tue, Sep 22 - Fri, Oct 2

11:05 am - 10:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 52m1 stop Philadelphia

8:20 pm - 11:10 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 50m1 stop London Heathrow

$1,078British Airways

Tue, Sep 22 - Fri, Oct 2

7:20 am - 12:07 amLIS Lisbon Humberto Delgado-PDX Portland

24h 47m2 stops London Heathrow Chicago O'Hare Intl

7:30 pm - 10:05 amPDX Portland-LIS Lisbon Humberto Delgado

30h 35m1 stop London Heathrow

$1,097Multiple Airlines

Wed, Sep 23 - Wed, Oct 14

11:05 am - 10:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 52m1 stop Philadelphia

1:40 pm - 11:10 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

25h 30m2 stops Chicago O'Hare Intl London Heathrow

$1,106British Airways

Tue, Sep 22 - Fri, Oct 2

11:05 am - 10:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 52m1 stop Philadelphia

10:59 am - 6:00 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

23h 01m2 stops Chicago O'Hare Intl London Heathrow

$1,126British Airways

Tue, Sep 22 - Fri, Oct 2

7:45 pm - 11:10 amLIS Lisbon Humberto Delgado-PDX Portland

23h 25m1 stop Amsterdam Schiphol

1:05 pm - 10:55 amPDX Portland-LIS Lisbon Humberto Delgado

13h 50m1 stop Amsterdam Schiphol

$1,128KLM

Wed, Sep 23 - Wed, Oct 14

11:05 am - 10:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 52m1 stop Philadelphia

6:15 am - 9:05 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 50m2 stops Chicago O'Hare Intl Philadelphia

$1,132American Airlines

Tue, Sep 22 - Fri, Oct 2

5:00 am - 6:36 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

21h 36m2 stops Amsterdam Schiphol Salt Lake City

11:11 am - 2:55 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 44m2 stops Boston Logan Intl Paris Charles de Gaulle

$1,136Delta

Tue, Sep 22 - Fri, Oct 2

9:50 am - 11:20 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

21h 30m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

11:11 am - 2:55 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 44m2 stops Boston Logan Intl Paris Charles de Gaulle

$1,142Delta

Tue, Sep 22 - Fri, Oct 2

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Icelandair flights from Lisbon to State of Washington

Our best Icelandair deals on Lisbon to State of Washington flight tickets

Icelandair

Nov 8

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Nov 23

SEA2:35 pmSeattle/Tacoma Intl

14h 15m

1 stop

LIS12:50 pmLisbon Humberto Delgado

$806

Icelandair

Nov 8

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Nov 23

SEA2:35 pmSeattle/Tacoma Intl

14h 15m

1 stop

LIS12:50 pmLisbon Humberto Delgado

$807

Icelandair

Nov 8

LIS2:00 pmLisbon Humberto Delgado

35h 00m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Nov 23

SEA2:35 pmSeattle/Tacoma Intl

14h 15m

1 stop

LIS12:50 pmLisbon Humberto Delgado

$808

British Airways flights from Lisbon to State of Washington

Our best British Airways deals on Lisbon to State of Washington flight tickets

British Airways

Nov 8

LIS11:05 amLisbon Humberto Delgado

18h 54m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

Nov 23

SEA10:33 amSeattle/Tacoma Intl

24h 17m

2 stops

LIS6:50 pmLisbon Humberto Delgado

$908

British Airways

Nov 8

LIS11:05 amLisbon Humberto Delgado

18h 54m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

Nov 23

SEA10:33 amSeattle/Tacoma Intl

24h 17m

2 stops

LIS6:50 pmLisbon Humberto Delgado

$909

British Airways

Dec 1

LIS11:05 amLisbon Humberto Delgado

18h 56m

1 stop

PDX10:01 pmPortland

Jan 24

PDX5:45 pmPortland

20h 00m

1 stop

LIS9:45 pmLisbon Humberto Delgado

$910

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Tue 10/20

6:10 am-8:40 pm

2 stops22h 30m

Seattle/Tacoma Intl

Tue 10/27

3:35 pm-7:15 pm

2 stops20h 40m

$696

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

9:05 pm-5:00 pm

3 stops27h 55m

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-8:30 am

3 stops33h 55m

$726

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

9:05 pm-5:00 pm

3 stops27h 55m

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-8:30 am

3 stops33h 55m

$735

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

9:05 pm-5:00 pm

3 stops27h 55m

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-8:30 am

3 stops33h 55m

$737

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

9:00 pm-5:00 pm

3 stops28h 00m

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-8:30 am

3 stops33h 55m

$739

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

9:05 pm-5:00 pm

3 stops27h 55m

Seattle/Tacoma Intl

Mon 11/23

2:35 pm-8:30 am

3 stops33h 55m

$752

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

7:50 pm-12:00 pm

2 stops24h 10m

Seattle/Tacoma Intl

Mon 11/23

3:15 pm-8:30 am

3 stops33h 15m

$781

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

7:50 pm-12:00 pm

2 stops24h 10m

Seattle/Tacoma Intl

Mon 11/23

3:15 pm-8:30 am

3 stops33h 15m

$783

Quickest round-trip

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Tue 10/6

5:00 am-11:10 am

1 stop14h 10m

Portland

Tue 10/13

3:31 pm-5:50 pm

2 stops18h 19m

$889

LisbonSeattle

LIS Lisbon Humberto Delgado - SEA Seattle/Tacoma Intl

LISSEA

Lisbon Humberto Delgado

Sun 11/8

5:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Mon 11/23

10:39 am-3:10 pm

2 stops20h 31m

$889

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 State of Washington

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

What is the cheapest month to fly to State of Washington?

The month of February is, on average, the cheapest month to fly to State of Washington from Lisbon, with most prices found around $897. If you aren’t able to travel to State of Washington during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $924.

Can stopping save me money on Lisbon to State of Washington flights?

You could potentially save up to 16% on your flight if you consider stops on a Lisbon to State of Washington flight.

Cheap Lisbon to State of Washington flight deals and tips

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

Best Price Found	$427
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to State of Washington from Lisbon in the past 72 hours is $427. The best round-trip flight deal from Lisbon to State of Washington found on momondo in the last 72 hours is $696.

The fastest flight from Lisbon to State of Washington takes 14h 10m

There are no direct flights from Lisbon to State of Washington. There are no popular flight routes from Lisbon to State of Washington.

Search flight deals

Frequently asked questions about flying from Lisbon to Washington

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Washington?
Prices for flights from Lisbon Humberto Delgado Airport to Washington are updated daily.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington?
As of September 2026, there is 1 operator available to choose from for flights from Lisbon Humberto Delgado Airport to Washington.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Washington?
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 Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington 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.

Best airlines flying from Lisbon to State of Washington

Compare and see reviews for airlines that fly from Lisbon to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $973	Free Cancellation	Rating 7.8 8,590 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to Washington?

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 Washington from Lisbon.

Can I find flights from Lisbon to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Lisbon to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Lisbon to Washington?

momondo provides multiple filters to help you find the best flight to Washington 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 Washington right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Lisbon to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.