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 10m on average, while flying from Spokane to Lisbon is 17h 10m on average. Lisbon is the most popular airport in Lisbon.

What airlines fly to Lisbon?

British Airways, United Airlines and Delta 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 37% 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?

Icelandair, SWISS, and Air Canada 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 February 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.

$273 Cheap Flights from Washington to Lisbon in 2026

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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.

8:00 am - 9:20 am

SEA

LIS

17h 20m

1 stop

5:00 am - 12:10 pm

LIS

SEA

15h 10m

1 stop

$484Multiple Airlines

Mon, Feb 23 - Fri, Mar 6

8:00 pm - 9:20 am

SEA

LIS

29h 20m

2 stops

6:15 am - 10:50 pm

LIS

SEA

24h 35m

2 stops

$486Air Canada

Wed, Apr 8 - Fri, Apr 17

6:40 pm - 10:25 pm

SEA

LIS

19h 45m

1 stop

9:20 am - 4:30 pm

LIS

SEA

15h 10m

1 stop

$487Multiple Airlines

Mon, Apr 13 - Tue, Apr 21

3:40 pm - 11:05 am

SEA

LIS

35h 25m

2 stops

6:15 am - 10:37 pm

LIS

SEA

24h 22m

2 stops

$488Lufthansa

Tue, Apr 21 - Wed, Apr 29

6:50 pm - 10:45 pm

SEA

LIS

19h 55m

1 stop

5:05 am - 12:20 pm

LIS

SEA

15h 15m

1 stop

$489United Airlines

Fri, Apr 17 - Fri, Apr 24

6:50 pm - 10:45 pm

SEA

LIS

19h 55m

1 stop

11:25 am - 9:53 pm

LIS

SEA

18h 28m

2 stops

$490Multiple Airlines

Wed, Apr 15 - Thu, Apr 23

6:50 pm - 10:45 pm

SEA

LIS

19h 55m

1 stop

11:25 am - 11:48 am

LIS

SEA

32h 23m

2 stops

$491United Airlines

Sun, Apr 12 - Mon, Apr 20

5:30 pm - 10:50 pm

SEA

LIS

21h 20m

1 stop

7:45 pm - 4:30 pm

LIS

SEA

28h 45m

1 stop

$492KLM

Tue, Apr 21 - Tue, Apr 28

11:45 am - 3:10 pm

SEA

LIS

20h 25m

2 stops

5:00 am - 12:35 pm

LIS

SEA

14h 35m

1 stop

$493Delta

Tue, Mar 10 - Tue, Mar 17

7:49 pm - 11:30 pm

PDX

LIS

20h 41m

2 stops

5:05 am - 11:58 pm

LIS

PDX

26h 53m

2 stops

$504Lufthansa

Tue, Mar 24 - Fri, Apr 24

Air Canada flights from State of Washington to Lisbon

Our best Air Canada deals on State of Washington to Lisbon flight tickets

Air Canada

Apr 8

SEA8:00 pmSeattle/Tacoma Intl

29h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 17

LIS6:15 amLisbon Humberto Delgado

24h 35m

2 stops

SEA10:50 pmSeattle/Tacoma Intl

$486

Air Canada

Apr 8

SEA8:00 pmSeattle/Tacoma Intl

29h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 21

LIS11:25 amLisbon Humberto Delgado

39h 53m

2 stops

SEA7:18 pmSeattle/Tacoma Intl

$500

Air Canada

Apr 8

SEA8:00 pmSeattle/Tacoma Intl

29h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 29

LIS1:00 pmLisbon Humberto Delgado

16h 53m

1 stop

SEA9:53 pmSeattle/Tacoma Intl

$505

Lufthansa flights from State of Washington to Lisbon

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

Lufthansa

Apr 21

SEA3:40 pmSeattle/Tacoma Intl

35h 25m

2 stops

LIS11:05 amLisbon Humberto Delgado

Apr 29

LIS6:15 amLisbon Humberto Delgado

24h 22m

2 stops

SEA10:37 pmSeattle/Tacoma Intl

$488

Lufthansa

Mar 24

PDX7:49 pmPortland

20h 41m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Apr 24

LIS5:05 amLisbon Humberto Delgado

26h 53m

2 stops

PDX11:58 pmPortland

$504

Lufthansa

Mar 7

PDX7:30 amPortland

32h 00m

2 stops

LIS11:30 pmLisbon Humberto Delgado

Mar 14

LIS6:10 amLisbon Humberto Delgado

25h 25m

2 stops

PDX12:35 amPortland

$505

Fly from

Fly to

Route

Depart

Return

Price

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 2/23

8:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Fri 3/6

5:00 am-12:10 pm

1 stop15h 10m

$484

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 4/8

8:00 pm-9:20 am

2 stops29h 20m

Lisbon Humberto Delgado

Fri 4/17

6:15 am-10:50 pm

2 stops24h 35m

$486

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Mon 4/13

6:40 pm-10:25 pm

1 stop19h 45m

Lisbon Humberto Delgado

Tue 4/21

9:20 am-4:30 pm

1 stop15h 10m

$487

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 4/21

3:40 pm-11:05 am

2 stops35h 25m

Lisbon Humberto Delgado

Wed 4/29

6:15 am-10:37 pm

2 stops24h 22m

$488

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Fri 4/17

6:50 pm-10:45 pm

1 stop19h 55m

Lisbon Humberto Delgado

Fri 4/24

5:05 am-12:20 pm

1 stop15h 15m

$489

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Wed 4/15

6:50 pm-10:45 pm

1 stop19h 55m

Lisbon Humberto Delgado

Thu 4/23

11:25 am-9:53 pm

2 stops18h 28m

$490

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Sun 4/12

6:50 pm-10:45 pm

1 stop19h 55m

Lisbon Humberto Delgado

Mon 4/20

11:25 am-11:48 am

2 stops32h 23m

$491

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 4/21

5:30 pm-10:50 pm

1 stop21h 20m

Lisbon Humberto Delgado

Tue 4/28

7:45 pm-4:30 pm

1 stop28h 45m

$492

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

Tue 3/10

11:45 am-3:10 pm

2 stops20h 25m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-12:35 pm

1 stop14h 35m

$493

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 3/24

7:49 pm-11:30 pm

2 stops20h 41m

Lisbon Humberto Delgado

Fri 4/24

5:05 am-11:58 pm

2 stops26h 53m

$504

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 $504. If you are unable to visit Lisbon during the month of January, then departing from State of Washington during the month November is also very affordable. Most momondo users find prices during this month for around $594.

How far in advance should I book a flight 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 $839 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 $742 on momondo.

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

You could potentially save up to 27% 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 10m
Direct flights	None

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

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 February 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 7.1 606 reviews	Search Icelandair flights
British Airways	PriceFrom $484	Free Cancellation	Rating 6.7 7,719 reviews	Search British Airways flights
Lufthansa	PriceFrom $488	Free Cancellation	Rating 6.8 7,772 reviews	Search Lufthansa flights
United Airlines	PriceFrom $494	Free Cancellation	Rating 7.4 9,249 reviews	Search United Airlines flights
Delta	PriceFrom $499	Free Cancellation	Rating 7.9 8,168 reviews	Search Delta flights
KLM	PriceFrom $535	Free Cancellation	Rating 7.7 1,450 reviews	Search KLM flights
Air Canada	PriceFrom $543	Free Cancellation	Rating 7.1 10,697 reviews	Search Air Canada flights
Air France	PriceFrom $546	Free Cancellation	Rating 7.4 1,531 reviews	Search Air France flights
American Airlines	PriceFrom $558	Free Cancellation	Rating 7.2 11,247 reviews	Search American Airlines flights
SWISS	PriceFrom $562	Free Cancellation	Rating 7.6 1,867 reviews	Search SWISS flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Lisbon. momondo saves you time and could save you money on your trip.

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.

I’m not ready to book a flight from Washington to Lisbon right now. Can momondo alert me if prices change?

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 $273

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 4/15. 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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Air Canada 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 to Lisbon?

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

You could potentially save up to 27% on your flight if you consider stops on a State of Washington to Lisbon flight.

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

Icelandair, SWISS, and Air Canada are the most popular carriers operating from Washington to Lisbon Humberto Delgado

What airlines fly to Lisbon?

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 10m on average, while flying from Spokane to Lisbon is 17h 10m on average. Lisbon is the most popular airport in 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

Fastest flight time

Direct flights

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

How many operators does momondo search 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?

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

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

Traveling to a place near Lisbon?

Why use momondo?

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

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

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

I’m not ready to book a flight from Washington to Lisbon right now. Can momondo alert me if prices change?

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.

Get notified when prices go down

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

Find better results for your trip to Portugal

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