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 14h 30m on average, while flying from Spokane to Lisbon is 17h 20m on average. Lisbon is the most popular airport in Lisbon.

What airlines fly to Lisbon?

British Airways, Delta and United Airlines are the top three most popular airlines that fly to Lisbon from State of Washington according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 13 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?

United Airlines, British Airways, and Delta 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 June 2026, there are 13 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.

$295 Cheap Flights from Washington to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 9:20 am

SEA

LIS

19h 40m

2 stops

6:45 am - 6:32 pm

LIS

SEA

19h 47m

2 stops

$696Air Canada

Tue, Oct 13 - Wed, Oct 21

2:45 pm - 12:50 pm

PDX

LIS

14h 05m

1 stop

2:00 pm - 5:00 pm

LIS

PDX

35h 00m

1 stop

$697Icelandair

Mon, Nov 2 - Tue, Nov 10

2:45 pm - 12:50 pm

PDX

LIS

14h 05m

1 stop

2:00 pm - 5:00 pm

LIS

PDX

35h 00m

1 stop

$700Icelandair

Sat, Nov 7 - Thu, Nov 12

8:00 am - 11:05 am

SEA

LIS

19h 05m

1 stop

6:45 am - 6:32 pm

LIS

SEA

19h 47m

2 stops

$701Air Canada

Tue, Oct 13 - Wed, Oct 21

5:25 am - 8:10 am

PSC

LIS

18h 45m

2 stops

1:00 pm - 9:02 pm

LIS

PSC

40h 02m

2 stops

$722United Airlines

Sun, Dec 6 - Wed, Dec 9

7:00 am - 8:10 am

SEA

LIS

17h 10m

2 stops

5:00 am - 12:00 pm

LIS

SEA

15h 00m

1 stop

$733United Airlines

Mon, Nov 9 - Wed, Nov 18

3:15 pm - 9:50 am

SEA

LIS

34h 35m

2 stops

5:00 am - 12:00 pm

LIS

SEA

15h 00m

1 stop

$737Lufthansa

Sun, Nov 8 - Wed, Nov 18

2:00 pm - 2:55 pm

SEA

LIS

16h 55m

1 stop

5:00 am - 12:00 pm

LIS

SEA

15h 00m

1 stop

$738Lufthansa

Wed, Nov 4 - Wed, Nov 18

10:50 am - 5:50 pm

GEG

LIS

23h 00m

2 stops

5:00 am - 6:48 pm

LIS

GEG

21h 48m

2 stops

$787Delta

Mon, Oct 19 - Thu, Oct 22

3:05 pm - 5:50 pm

GEG

LIS

18h 45m

2 stops

5:00 am - 9:05 pm

LIS

GEG

24h 05m

2 stops

$837Delta

Fri, Oct 16 - Fri, Oct 23

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KLM flights from State of Washington to Lisbon

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

KLM

Nov 22

PDX10:05 pmPortland

25h 55m

1 stop

LIS8:00 amLisbon Humberto Delgado

Dec 4

LIS5:00 amLisbon Humberto Delgado

14h 20m

1 stop

PDX11:20 amPortland

$758

KLM

Nov 22

PDX10:05 pmPortland

25h 55m

1 stop

LIS8:00 amLisbon Humberto Delgado

Dec 4

LIS5:00 amLisbon Humberto Delgado

22h 08m

2 stops

PDX7:08 pmPortland

$762

KLM

Dec 7

PDX1:20 pmPortland

17h 20m

1 stop

LIS2:40 pmLisbon Humberto Delgado

Jan 13

LIS5:00 amLisbon Humberto Delgado

14h 20m

1 stop

PDX11:20 amPortland

$794

United Airlines flights from State of Washington to Lisbon

Our best United Airlines deals on State of Washington to Lisbon flight tickets

United Airlines

Dec 6

PSC5:25 amPasco Tri Cities

18h 45m

2 stops

LIS8:10 amLisbon Humberto Delgado

Dec 9

LIS1:00 pmLisbon Humberto Delgado

40h 02m

2 stops

PSC9:02 pmPasco Tri Cities

$722

United Airlines

Nov 9

SEA7:00 amSeattle/Tacoma Intl

17h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Nov 18

LIS5:00 amLisbon Humberto Delgado

15h 00m

1 stop

SEA12:00 pmSeattle/Tacoma Intl

$733

United Airlines

Nov 11

SEA7:00 amSeattle/Tacoma Intl

20h 00m

2 stops

LIS11:00 amLisbon Humberto Delgado

Nov 19

LIS5:00 amLisbon Humberto Delgado

15h 00m

1 stop

SEA12:00 pmSeattle/Tacoma Intl

$741

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 10/13

5:40 am-9:20 am

2 stops19h 40m

Lisbon Humberto Delgado

Wed 10/21

6:45 am-6:32 pm

2 stops19h 47m

$696

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/2

2:45 pm-12:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Tue 11/10

2:00 pm-5:00 pm

1 stop35h 00m

$697

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/7

2:45 pm-12:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Thu 11/12

2:00 pm-5:00 pm

1 stop35h 00m

$700

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 10/13

8:00 am-11:05 am

1 stop19h 05m

Lisbon Humberto Delgado

Wed 10/21

6:45 am-6:32 pm

2 stops19h 47m

$701

PascoLisbon

PSC - LIS

PSCLIS

Pasco Tri Cities

Sun 12/6

5:25 am-8:10 am

2 stops18h 45m

Lisbon Humberto Delgado

Wed 12/9

1:00 pm-9:02 pm

2 stops40h 02m

$722

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 11/9

7:00 am-8:10 am

2 stops17h 10m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-12:00 pm

1 stop15h 00m

$733

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 11/8

3:15 pm-9:50 am

2 stops34h 35m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-12:00 pm

1 stop15h 00m

$737

Quickest round-trip

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 11/4

2:00 pm-2:55 pm

1 stop16h 55m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-12:00 pm

1 stop15h 00m

$738

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Mon 10/19

10:50 am-5:50 pm

2 stops23h 00m

Lisbon Humberto Delgado

Thu 10/22

5:00 am-6:48 pm

2 stops21h 48m

$787

SpokaneLisbon

GEG - LIS

GEGLIS

Spokane

Fri 10/16

3:05 pm-5:50 pm

2 stops18h 45m

Lisbon Humberto Delgado

Fri 10/23

5:00 am-9:05 pm

2 stops24h 05m

$837

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

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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 $339. If you are unable to visit Lisbon during the month of January, then departing from State of Washington during the month April is also very affordable. Most momondo users find prices during this month for around $390.

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 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $831 when searching weeks 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 $726 on momondo.

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

You could potentially save up to 3% on your flight if you consider stops on a State of Washington to Lisbon flight.

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

Fastest flight time	14h 20m
Direct flights	None

The fastest flight from State of Washington to Lisbon takes 14h 20m

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

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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 June 2026, there are 13 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 7.0 682 reviews	Search Icelandair flights
Lufthansa	PriceFrom $482	Free Cancellation	Rating 6.8 8,086 reviews	Search Lufthansa flights
British Airways	PriceFrom $482	Free Cancellation	Rating 6.7 8,064 reviews	Search British Airways flights
United Airlines	PriceFrom $488	Free Cancellation	Rating 7.4 9,875 reviews	Search United Airlines flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.1 11,739 reviews	Search American Airlines flights
KLM	PriceFrom $503	Free Cancellation	Rating 7.8 1,530 reviews	Search KLM flights
Air France	PriceFrom $504	Free Cancellation	Rating 7.5 1,613 reviews	Search Air France flights
Delta	PriceFrom $505	Free Cancellation	Rating 7.8 8,421 reviews	Search Delta flights
Aer Lingus	PriceFrom $535	Free Cancellation	Rating 7.3 1,613 reviews	Search Aer Lingus flights
Air Canada	PriceFrom $543	Free Cancellation	Rating 7.1 11,238 reviews	Search Air Canada 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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Cheap flights from Washington to Lisbon from $295

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 9/4. 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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KLM 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?

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

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

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

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Frequently asked questions about flying from Washington to Lisbon

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Why use momondo?

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