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

Icelandair, Scandinavian Airlines, and British Airways are the most popular carriers operating from Washington to Lisbon Humberto Delgado

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 36% 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.

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 05m on average, while flying from Spokane to Lisbon is 16h on average. Lisbon is the most popular airport in 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 November 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.

$270 Cheap Flights from Washington to Lisbon in 2025/26

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Cheap round-trip flights

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2:45 pm - 8:20 pmPDX-LIS

21h 35m1 stop

9:20 pm - 5:00 pmLIS-PDX

27h 40m1 stop

$393Icelandair

Find Deal

Sat, Nov 29 - Sun, Dec 14

2:45 pm - 8:20 pmPDX-LIS

21h 35m1 stop

9:20 pm - 5:00 pmLIS-PDX

27h 40m1 stop

$396Icelandair

Find Deal

Sat, Nov 29 - Sun, Dec 7

7:00 pm - 9:20 amPDX-LIS

30h 20m2 stops

5:00 am - 7:00 pmLIS-PDX

21h 00m2 stops

$468Multiple Airlines

Find Deal

Mon, Mar 2 - Mon, Mar 16

3:15 pm - 7:55 amPDX-LIS

32h 40m2 stops

5:00 am - 6:30 pmLIS-PDX

21h 30m2 stops

$478Multiple Airlines

Find Deal

Wed, Feb 4 - Wed, Feb 25

7:00 am - 9:20 amPDX-LIS

18h 20m2 stops

6:10 am - 6:30 pmLIS-PDX

20h 20m2 stops

$481Air Canada

Find Deal

Thu, Jan 8 - Fri, Feb 6

7:00 am - 7:55 amPDX-LIS

16h 55m2 stops

6:10 am - 6:30 pmLIS-PDX

20h 20m2 stops

$485Air Canada

Find Deal

Thu, Feb 5 - Fri, Feb 20

7:00 am - 9:00 amPDX-LIS

18h 00m1 stop

5:00 am - 12:25 pmLIS-PDX

14h 25m1 stop

$486KLM

Find Deal

Mon, Mar 2 - Mon, Mar 16

11:10 am - 5:30 pmPDX-LIS

22h 20m2 stops

5:00 am - 12:25 pmLIS-PDX

14h 25m1 stop

$489Delta

Find Deal

Mon, Mar 2 - Mon, Mar 16

1:25 pm - 6:30 pmPDX-LIS

21h 05m1 stop

5:00 am - 11:25 amLIS-PDX

14h 25m1 stop

$490KLM

Find Deal

Wed, Feb 18 - Wed, Feb 25

5:35 pm - 3:10 pmPSC-LIS

37h 35m2 stops

11:25 am - 11:09 pmLIS-PSC

43h 44m2 stops

$500Delta

Find Deal

Wed, Jan 14 - Sun, Jan 18

Delta flights from State of Washington to Lisbon

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

Delta

Mar 2

PDX11:10 amPortland

22h 20m

2 stops

LIS5:30 pmLisbon Humberto Delgado

Mar 16

LIS5:00 amLisbon Humberto Delgado

14h 25m

1 stop

PDX12:25 pmPortland

$489

Find similar

Delta

Jan 14

PSC5:35 pmPasco Tri Cities

37h 35m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Jan 18

LIS11:25 amLisbon Humberto Delgado

43h 44m

2 stops

PSC11:09 pmPasco Tri Cities

$500

Find similar

Delta

Dec 5

PDX11:35 amPortland

21h 55m

2 stops

LIS5:30 pmLisbon Humberto Delgado

Dec 12

LIS10:00 amLisbon Humberto Delgado

18h 40m

1 stop

PDX8:40 pmPortland

$509

Find similar

Icelandair flights from State of Washington to Lisbon

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

Icelandair

Nov 29

PDX2:45 pmPortland

21h 35m

1 stop

LIS8:20 pmLisbon Humberto Delgado

Dec 14

LIS9:20 pmLisbon Humberto Delgado

27h 40m

1 stop

PDX5:00 pmPortland

$393

Find similar

Icelandair

Nov 29

PDX2:45 pmPortland

21h 35m

1 stop

LIS8:20 pmLisbon Humberto Delgado

Dec 7

LIS9:20 pmLisbon Humberto Delgado

27h 40m

1 stop

PDX5:00 pmPortland

$396

Find similar

Icelandair

Dec 6

PDX2:45 pmPortland

21h 35m

1 stop

LIS8:20 pmLisbon Humberto Delgado

Dec 14

LIS9:20 pmLisbon Humberto Delgado

27h 40m

1 stop

PDX5:00 pmPortland

$463

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/29

2:45 pm-8:20 pm

1 stop21h 35m

Lisbon Humberto Delgado

Sun 12/14

9:20 pm-5:00 pm

1 stop27h 40m

$393

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/29

2:45 pm-8:20 pm

1 stop21h 35m

Lisbon Humberto Delgado

Sun 12/7

9:20 pm-5:00 pm

1 stop27h 40m

$396

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 3/2

7:00 pm-9:20 am

2 stops30h 20m

Lisbon Humberto Delgado

Mon 3/16

5:00 am-7:00 pm

2 stops21h 00m

$468

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/4

3:15 pm-7:55 am

2 stops32h 40m

Lisbon Humberto Delgado

Wed 2/25

5:00 am-6:30 pm

2 stops21h 30m

$478

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 1/8

7:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Fri 2/6

6:10 am-6:30 pm

2 stops20h 20m

$481

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Thu 2/5

7:00 am-7:55 am

2 stops16h 55m

Lisbon Humberto Delgado

Fri 2/20

6:10 am-6:30 pm

2 stops20h 20m

$485

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 3/2

7:00 am-9:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Mon 3/16

5:00 am-12:25 pm

1 stop14h 25m

$486

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 3/2

11:10 am-5:30 pm

2 stops22h 20m

Lisbon Humberto Delgado

Mon 3/16

5:00 am-12:25 pm

1 stop14h 25m

$489

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/18

1:25 pm-6:30 pm

1 stop21h 05m

Lisbon Humberto Delgado

Wed 2/25

5:00 am-11:25 am

1 stop14h 25m

$490

PascoLisbon

PSC - LIS

PSCLIS

Pasco Tri Cities

Wed 1/14

5:35 pm-3:10 pm

2 stops37h 35m

Lisbon Humberto Delgado

Sun 1/18

11:25 am-11:09 pm

2 stops43h 44m

$500

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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 $711. 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 $731.

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 $919 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 $795 on momondo.

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

You could potentially save up to 14% 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

Direct flights	None

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 November 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 $358	Free Cancellation	Rating 7.1 572 reviews	Search Icelandair flights
Lufthansa	PriceFrom $517	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
British Airways	PriceFrom $534	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
Air Canada	PriceFrom $543	Free Cancellation	Rating 7.1 10,416 reviews	Search Air Canada flights
United Airlines	PriceFrom $543	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Air France	PriceFrom $560	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
SWISS	PriceFrom $562	Free Cancellation	Rating 7.5 1,779 reviews	Search SWISS flights
KLM	PriceFrom $566	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
American Airlines	PriceFrom $621	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $627	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus 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 $270

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 1/14. 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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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 14% 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, Scandinavian Airlines, and British Airways 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 05m on average, while flying from Spokane to Lisbon is 16h 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

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

Airports servicing Portugal