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 15h 20m on average, while flying from Spokane to Lisbon is 18h 30m 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 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?

Air Canada, Icelandair, and United Airlines 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 August 2025, there are 14 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.

$305 Cheap Flights from Washington to Lisbon in 2025

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Round-trip

One-way

Last minute

Cheap round-trip flights

6:15 am - 6:40 pmPDX-LIS

28h 25m3 stops

10:45 pm - 6:46 pmLIS-PDX

28h 01m3 stops

$458

Find Deal

lun., oct. 13 - lun., oct. 20

3:45 pm - 9:20 pmSEA-LIS

21h 35m1 stop

9:20 pm - 5:00 pmLIS-SEA

27h 40m1 stop

$491Icelandair

Find Deal

mié., sep. 3 - jue., dic. 4

8:10 am - 10:15 amSEA-LIS

18h 05m1 stop

11:20 am - 10:28 pmLIS-SEA

43h 08m2 stops

$521United Airlines

Find Deal

sáb., dic. 6 - mar., dic. 16

8:00 am - 10:15 amSEA-LIS

18h 15m1 stop

11:20 am - 9:00 pmLIS-SEA

41h 40m3 stops

$522United Airlines

Find Deal

jue., nov. 27 - mar., dic. 16

3:40 pm - 8:55 amSEA-LIS

33h 15m2 stops

5:00 am - 12:10 pmLIS-SEA

15h 10m1 stop

$523Lufthansa

Find Deal

vie., nov. 28 - lun., dic. 15

8:00 pm - 9:20 amSEA-LIS

30h 20m2 stops

6:10 am - 7:16 pmLIS-SEA

21h 06m2 stops

$534Air Canada

Find Deal

mié., oct. 29 - mar., nov. 11

10:05 am - 8:55 amSEA-LIS

38h 50m2 stops

11:20 am - 9:56 pmLIS-SEA

18h 36m1 stop

$536Air Canada

Find Deal

lun., dic. 1 - lun., dic. 15

6:50 pm - 9:50 pmSEA-LIS

19h 00m1 stop

5:00 am - 12:10 pmLIS-SEA

15h 10m1 stop

$544Lufthansa

Find Deal

vie., oct. 17 - jue., nov. 13

7:35 pm - 9:35 pmSEA-LIS

18h 00m1 stop

10:15 pm - 5:50 pmLIS-SEA

27h 35m1 stop

$558Aer Lingus

Find Deal

lun., ago. 25 - mar., sep. 9

7:35 pm - 9:35 pmSEA-LIS

18h 00m1 stop

11:25 am - 5:50 pmLIS-SEA

14h 25m1 stop

$584Aer Lingus

Find Deal

mar., sep. 23 - jue., oct. 9

Aer Lingus flights from State of Washington to Lisbon

Our best Aer Lingus deals on State of Washington to Lisbon flight tickets

Aer Lingus

Aug 25

SEA7:35 pmSeattle/Tacoma Intl

18h 00m

1 stop

LIS9:35 pmLisbon Humberto Delgado

Sep 9

LIS10:15 pmLisbon Humberto Delgado

27h 35m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

$558

Find similar

Aer Lingus

Sep 23

SEA7:35 pmSeattle/Tacoma Intl

18h 00m

1 stop

LIS9:35 pmLisbon Humberto Delgado

Oct 9

LIS11:25 amLisbon Humberto Delgado

14h 25m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

$584

Find similar

Aer Lingus

Aug 15

SEA7:35 pmSeattle/Tacoma Intl

18h 00m

1 stop

LIS9:35 pmLisbon Humberto Delgado

Aug 24

LIS10:55 amLisbon Humberto Delgado

14h 55m

1 stop

SEA5:50 pmSeattle/Tacoma Intl

$1,128

Find similar

Icelandair flights from State of Washington to Lisbon

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

Icelandair

Sep 3

SEA3:45 pmSeattle/Tacoma Intl

21h 35m

1 stop

LIS9:20 pmLisbon Humberto Delgado

Dec 4

LIS9:20 pmLisbon Humberto Delgado

27h 40m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$491

Find similar

Icelandair

Aug 20

SEA7:00 pmSeattle/Tacoma Intl

18h 20m

1 stop

LIS9:20 pmLisbon Humberto Delgado

Aug 24

LIS10:20 pmLisbon Humberto Delgado

21h 05m

1 stop

SEA11:25 amSeattle/Tacoma Intl

$496

Find similar

Icelandair

Sep 3

SEA11:30 pmSeattle/Tacoma Intl

13h 50m

1 stop

LIS9:20 pmLisbon Humberto Delgado

Dec 4

LIS9:20 pmLisbon Humberto Delgado

27h 40m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$554

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 10/13

6:15 am-6:40 pm

3 stops28h 25m

Lisbon Humberto Delgado

lun. 10/20

10:45 pm-6:46 pm

3 stops28h 01m

$458

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mié. 9/3

3:45 pm-9:20 pm

1 stop21h 35m

Lisbon Humberto Delgado

jue. 12/4

9:20 pm-5:00 pm

1 stop27h 40m

$491

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

sáb. 12/6

8:10 am-10:15 am

1 stop18h 05m

Lisbon Humberto Delgado

mar. 12/16

11:20 am-10:28 pm

2 stops43h 08m

$521

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

jue. 11/27

8:00 am-10:15 am

1 stop18h 15m

Lisbon Humberto Delgado

mar. 12/16

11:20 am-9:00 pm

3 stops41h 40m

$522

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

vie. 11/28

3:40 pm-8:55 am

2 stops33h 15m

Lisbon Humberto Delgado

lun. 12/15

5:00 am-12:10 pm

1 stop15h 10m

$523

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mié. 10/29

8:00 pm-9:20 am

2 stops30h 20m

Lisbon Humberto Delgado

mar. 11/11

6:10 am-7:16 pm

2 stops21h 06m

$534

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

lun. 12/1

10:05 am-8:55 am

2 stops38h 50m

Lisbon Humberto Delgado

lun. 12/15

11:20 am-9:56 pm

1 stop18h 36m

$536

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

vie. 10/17

6:50 pm-9:50 pm

1 stop19h 00m

Lisbon Humberto Delgado

jue. 11/13

5:00 am-12:10 pm

1 stop15h 10m

$544

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

lun. 8/25

7:35 pm-9:35 pm

1 stop18h 00m

Lisbon Humberto Delgado

mar. 9/9

10:15 pm-5:50 pm

1 stop27h 35m

$558

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

mar. 9/23

7:35 pm-9:35 pm

1 stop18h 00m

Lisbon Humberto Delgado

jue. 10/9

11:25 am-5:50 pm

1 stop14h 25m

$584

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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, February 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 $755. If you are unable to visit Lisbon during the month of February, then departing from State of Washington during the month January is also very affordable. Most momondo users find prices during this month for around $759.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $908. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Lisbon for around $1,111.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $959. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,074 on average. Flights to Lisbon from State of Washington at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $954 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 $840 on momondo.

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

You could potentially save up to 34% 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

Best Price Found	$305
Fastest flight time	13h 50m
Direct flights	None
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from State of Washington in the past 72 hours is $305. The best round-trip flight deal from State of Washington to Lisbon found on momondo in the last 72 hours is $458.

The fastest flight from State of Washington to Lisbon takes 13h 50m

There are no direct flights from State of Washington to Lisbon. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Lisbon Humberto Delgado Airport and Portland Airport - Lisbon Humberto Delgado Airport.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

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 August 2025, there are 14 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 $466	Free Cancellation	Rating 7.0 524 reviews	Search Icelandair flights
British Airways	PriceFrom $570	Free Cancellation	Rating 6.6 7,245 reviews	Search British Airways flights
Lufthansa	PriceFrom $611	Free Cancellation	Rating 6.8 7,296 reviews	Search Lufthansa flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Turkish Airlines	PriceFrom $646	Free Cancellation	Rating 7.3 3,932 reviews	Search Turkish Airlines flights
Air France	PriceFrom $646	Free Cancellation	Rating 7.4 1,466 reviews	Search Air France flights
Scandinavian Airlines	PriceFrom $652	Free Cancellation	Rating 7.4 1,465 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $660	Free Cancellation	Rating 7.1 1,202 reviews	Search Aer Lingus flights
KLM	PriceFrom $668	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
Delta	PriceFrom $686	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights

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Why use momondo?

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 $305

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 10/26. 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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Aer Lingus flights from State of Washington to Lisbon

Our best Aer Lingus deals on State of Washington to Lisbon flight tickets

Icelandair flights from State of Washington to Lisbon

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

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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

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Monday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $908. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from State of Washington to Lisbon for around $1,111.

What is the cheapest time of day to depart on your flight 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 34% 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?

Air Canada, Icelandair, and United Airlines 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 15h 20m on average, while flying from Spokane to Lisbon is 18h 30m 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

Best Price Found

Fastest flight time

Direct flights

Airports in Lisbon

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

Airports servicing Portugal