How long does it take to fly to Lisbon?

Average flight duration from State of Washington to Lisbon depends on which airport you fly into and out of. Flying from Seattle to Lisbon is 13h 10m on average, while flying from Spokane to Lisbon is 18h 40m on average. Lisbon is the most popular airport in Lisbon.

What airlines fly to Lisbon?

Delta, British Airways and United Airlines are the top three most popular airlines that fly to Lisbon from State of Washington according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 12 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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

Lufthansa, Delta, and British Airways are the most popular carriers operating from Washington to Lisbon Humberto Delgado

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

Prices for flights from Washington to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

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

As of September 2026, there are 12 operators available to choose from for flights from Washington to Lisbon Humberto Delgado Airport.

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

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$299 Cheap Flights from Washington to Lisbon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Lisbon

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7:20 pm - 8:00 amGEG Spokane-LIS Lisbon Humberto Delgado

28h 40m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

10:00 am - 11:42 pmLIS Lisbon Humberto Delgado-GEG Spokane

21h 42m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl

$596Delta

Mon, Jan 18 - Fri, Feb 5

7:20 pm - 8:00 amGEG Spokane-LIS Lisbon Humberto Delgado

28h 40m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl

10:00 am - 11:42 pmLIS Lisbon Humberto Delgado-GEG Spokane

21h 42m2 stops New York John F Kennedy Intl Seattle/Tacoma Intl

$596Delta

Mon, Jan 18 - Tue, Feb 9

7:45 pm - 9:50 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 05m1 stop London Heathrow

11:05 am - 9:57 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

17h 52m1 stop Philadelphia

$615American Airlines

Tue, Mar 16 - Tue, Mar 23

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

15h 50m1 stop Philadelphia

11:05 am - 9:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 54m1 stop Philadelphia

$615American Airlines

Tue, Nov 10 - Tue, Nov 17

6:45 pm - 5:45 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

15h 00m1 stop London Heathrow

11:05 am - 9:05 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 00m1 stop Philadelphia

$615Multiple Airlines

Tue, Jan 19 - Tue, Feb 23

6:45 pm - 5:45 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

15h 00m1 stop London Heathrow

11:05 am - 9:05 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 00m1 stop Philadelphia

$615Multiple Airlines

Wed, Jan 13 - Wed, Feb 17

6:50 am - 8:10 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 20m1 stop Newark

6:15 am - 4:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 44m1 stop Munich Franz Josef Strauss

$616United Airlines

Mon, Mar 22 - Tue, Mar 30

6:50 am - 8:10 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 20m1 stop Newark

6:15 am - 4:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 44m1 stop Munich Franz Josef Strauss

$616United Airlines

Wed, Mar 17 - Tue, Mar 30

10:10 am - 9:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

15h 10m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 8:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

17h 39m1 stop Toronto Pearson Intl

$617Air Canada

Wed, Jan 20 - Wed, Feb 24

7:05 pm - 9:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

30h 15m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

11:20 am - 8:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

17h 39m1 stop Toronto Pearson Intl

$617Air Canada

Tue, Jan 19 - Wed, Feb 24

Cheap last minute flights

Enter your travel dates to find the best prices.

8:20 pm - 11:15 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 55m1 stop London Heathrow

6:45 pm - 11:35 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

24h 50m1 stop London Heathrow

$703British Airways

Wed, Sep 30 - Tue, Oct 13

8:20 pm - 11:15 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

18h 55m1 stop London Heathrow

7:10 am - 8:15 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

21h 05m2 stops London Heathrow Chicago O'Hare Intl

$722British Airways

Wed, Sep 30 - Tue, Oct 13

11:22 am - 2:55 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 33m2 stops Salt Lake City Paris Charles de Gaulle

5:35 am - 5:47 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

20h 12m1 stop Paris Charles de Gaulle

$884Delta

Wed, Sep 30 - Tue, Oct 13

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

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

5:00 am - 4:35 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

19h 35m1 stop Amsterdam Schiphol

$910Delta

Fri, Oct 2 - Tue, Oct 6

6:50 pm - 10:45 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 55m1 stop Munich Franz Josef Strauss

6:15 am - 4:59 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

18h 44m1 stop Munich Franz Josef Strauss

$947Lufthansa

Wed, Sep 30 - Tue, Oct 13

7:16 am - 10:45 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 29m1 stop Boston Logan Intl

5:35 am - 11:15 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

13h 40m1 stop Paris Charles de Gaulle

$952Air France

Sat, Oct 3 - Sun, Oct 11

6:50 pm - 10:45 pmSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 55m1 stop Munich Franz Josef Strauss

5:05 am - 12:20 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

15h 15m1 stop Frankfurt am Main

$963Lufthansa

Wed, Sep 30 - Tue, Oct 13

8:00 am - 9:20 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

17h 20m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

5:55 am - 10:56 pmLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

25h 01m2 stops Zurich Chicago O'Hare Intl

$964Multiple Airlines

Wed, Sep 30 - Tue, Oct 13

7:16 am - 10:45 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 29m1 stop Boston Logan Intl

7:45 pm - 11:52 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

24h 07m1 stop Amsterdam Schiphol

$978Multiple Airlines

Sat, Oct 3 - Sun, Oct 18

7:16 am - 10:45 amSEA Seattle/Tacoma Intl-LIS Lisbon Humberto Delgado

19h 29m1 stop Boston Logan Intl

5:35 am - 11:15 amLIS Lisbon Humberto Delgado-SEA Seattle/Tacoma Intl

13h 40m1 stop Paris Charles de Gaulle

$986Air France

Sat, Oct 3 - Sun, Oct 11

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British Airways flights from State of Washington to Lisbon

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

British Airways

Jan 10

SEA6:45 pmSeattle/Tacoma Intl

31h 00m

1 stop

LIS9:45 amLisbon Humberto Delgado

Feb 19

LIS10:45 amLisbon Humberto Delgado

14h 05m

1 stop

SEA4:50 pmSeattle/Tacoma Intl

$627

British Airways

Oct 13

SEA8:20 pmSeattle/Tacoma Intl

18h 40m

1 stop

LIS11:00 pmLisbon Humberto Delgado

Oct 28

LIS6:35 pmLisbon Humberto Delgado

24h 50m

1 stop

SEA12:25 pmSeattle/Tacoma Intl

$658

British Airways

Mar 16

SEA2:30 pmSeattle/Tacoma Intl

14h 35m

1 stop

LIS12:05 pmLisbon Humberto Delgado

Mar 23

LIS10:40 amLisbon Humberto Delgado

14h 10m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

$660

Delta flights from State of Washington to Lisbon

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

Delta

Jan 18

GEG7:20 pmSpokane

28h 40m

2 stops

LIS8:00 amLisbon Humberto Delgado

Feb 4

LIS10:00 amLisbon Humberto Delgado

21h 42m

2 stops

GEG11:42 pmSpokane

$596

Delta

Jan 17

GEG7:00 amSpokane

17h 00m

2 stops

LIS8:00 amLisbon Humberto Delgado

Feb 9

LIS10:00 amLisbon Humberto Delgado

33h 44m

2 stops

GEG11:44 amSpokane

$606

Delta

Jan 16

GEG3:05 pmSpokane

32h 55m

2 stops

LIS8:00 amLisbon Humberto Delgado

Feb 4

LIS10:00 amLisbon Humberto Delgado

21h 42m

2 stops

GEG11:42 pmSpokane

$607

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneLisbon

GEG Spokane - LIS Lisbon Humberto Delgado

GEGLIS

Spokane

Mon 1/18

7:20 pm-8:00 am

2 stops28h 40m

Lisbon Humberto Delgado

Fri 2/5

10:00 am-11:42 pm

2 stops21h 42m

$596

SpokaneLisbon

GEG Spokane - LIS Lisbon Humberto Delgado

GEGLIS

Spokane

Mon 1/18

7:20 pm-8:00 am

2 stops28h 40m

Lisbon Humberto Delgado

Tue 2/9

10:00 am-11:42 pm

2 stops21h 42m

$596

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Tue 3/16

7:45 pm-9:50 pm

1 stop19h 05m

Lisbon Humberto Delgado

Tue 3/23

11:05 am-9:57 pm

1 stop17h 52m

$615

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Tue 11/10

9:15 am-9:05 am

1 stop15h 50m

Lisbon Humberto Delgado

Tue 11/17

11:05 am-9:59 pm

1 stop18h 54m

$615

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Tue 1/19

6:45 pm-5:45 pm

1 stop15h 00m

Lisbon Humberto Delgado

Tue 2/23

11:05 am-9:05 pm

1 stop18h 00m

$615

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 1/13

6:45 pm-5:45 pm

1 stop15h 00m

Lisbon Humberto Delgado

Wed 2/17

11:05 am-9:05 pm

1 stop18h 00m

$615

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Mon 3/22

6:50 am-8:10 am

1 stop18h 20m

Lisbon Humberto Delgado

Tue 3/30

6:15 am-4:59 pm

1 stop18h 44m

$616

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 3/17

6:50 am-8:10 am

1 stop18h 20m

Lisbon Humberto Delgado

Tue 3/30

6:15 am-4:59 pm

1 stop18h 44m

$616

Quickest round-trip

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Wed 1/20

10:10 am-9:20 am

2 stops15h 10m

Lisbon Humberto Delgado

Wed 2/24

11:20 am-8:59 pm

1 stop17h 39m

$617

SeattleLisbon

SEA Seattle/Tacoma Intl - LIS Lisbon Humberto Delgado

SEALIS

Seattle/Tacoma Intl

Tue 1/19

7:05 pm-9:20 am

2 stops30h 15m

Lisbon Humberto Delgado

Wed 2/24

11:20 am-8:59 pm

1 stop17h 39m

$617

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 State of Washington 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

Prices

Airlines

Other information

What is the cheapest month to fly to Lisbon?

In general, January is the cheapest month to fly from State of Washington to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $492. If you are unable to visit Lisbon during the month of January, then departing from State of Washington during the month February is also very affordable. Most momondo users find prices during this month for around $566.

How far in advance should I book a flight from Washington to Lisbon?

You are more likely to see cheaper flights to Lisbon from State of Washington when booking week ahead of your departure date. In general, you can expect to find flights to Lisbon for around $858 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from State of Washington for as low as $778 on momondo.

Cheap State of Washington to Lisbon flight deals and tips

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

Best Price Found	$299
Fastest flight time	13h 10m
Direct flights	None

The best one-way flight to Lisbon from State of Washington in the past 72 hours is $299. The best round-trip flight deal from State of Washington to Lisbon found on momondo in the last 72 hours is $596.

The fastest flight from State of Washington to Lisbon takes 13h 10m

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

Search flight deals

Frequently asked questions about flying from Washington to Lisbon

When did momondo last update prices for flights from Washington to Lisbon Humberto Delgado Airport?
Prices for flights from Washington to Lisbon Humberto Delgado Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Lisbon Humberto Delgado Airport?
As of September 2026, there are 12 operators available to choose from for flights from Washington to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Washington 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 to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Lisbon

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $348	Free Cancellation	Rating 6.9 753 reviews	Search Icelandair flights
Lufthansa	PriceFrom $471	Free Cancellation	Rating 6.8 8,240 reviews	Search Lufthansa flights
British Airways	PriceFrom $482	Free Cancellation	Rating 6.7 8,237 reviews	Search British Airways flights
United Airlines	PriceFrom $482	Free Cancellation	Rating 7.4 10,248 reviews	Search United Airlines flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.0 12,099 reviews	Search American Airlines flights
KLM	PriceFrom $503	Free Cancellation	Rating 7.8 1,578 reviews	Search KLM flights
Air France	PriceFrom $504	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
Delta	PriceFrom $505	Free Cancellation	Rating 7.8 8,606 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $567	Free Cancellation	Rating 7.4 1,998 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $687	Free Cancellation	Rating 7.4 4,457 reviews	Search Turkish Airlines flights

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

Flights from Washington to Lisbon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lisbon from Washington.

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Yes. momondo can track prices for Washington 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.

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Cheap flights from Washington to Lisbon from $299

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 to Lisbon departing on 10/30. 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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British Airways flights from State of Washington to Lisbon

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How to get the cheapest flight ticket from State of Washington to Lisbon

What is the cheapest month to fly to Lisbon?

How far in advance should I book a flight from Washington to Lisbon?

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

What airlines fly to Lisbon?

How long does it take to fly to Lisbon?

Cheap State of Washington to Lisbon flight deals and tips

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Frequently asked questions about flying from Washington to Lisbon

Best airlines flying from State of Washington to Lisbon

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Why use momondo?

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.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

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List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

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