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.

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

Lufthansa, Icelandair, and United Airlines are the most popular carriers operating from Washington to Lisbon Humberto Delgado

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 35m on average, while flying from Spokane to Lisbon is 19h 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 September 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.

$298 Cheap Flights from Washington to Lisbon in 2025/26

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Cheap round-trip flights

11:59 pm - 8:10 amPDX-LIS

25h 11m2 stops

10:15 am - 10:10 pmLIS-PDX

19h 55m1 stop

$529United Airlines

Find Deal

lun., oct. 27 - mié., nov. 12

11:12 pm - 8:10 amPDX-LIS

25h 58m1 stop

10:15 am - 10:10 pmLIS-PDX

19h 55m1 stop

$532United Airlines

Find Deal

lun., oct. 27 - mié., nov. 12

7:00 pm - 9:20 amPDX-LIS

31h 20m2 stops

5:00 am - 6:30 pmLIS-PDX

21h 30m2 stops

$535Air Canada

Find Deal

lun., oct. 27 - mié., nov. 12

7:00 am - 4:05 pmPDX-LIS

25h 05m2 stops

7:00 pm - 10:22 pmLIS-PDX

35h 22m2 stops

$540Scandinavian Airlines

Find Deal

sáb., ene. 24 - mié., ene. 28

9:50 am - 8:55 amPDX-LIS

39h 05m2 stops

10:55 am - 6:45 pmLIS-PDX

39h 50m2 stops

$546Air Canada

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lun., dic. 1 - jue., dic. 11

7:40 pm - 9:20 amPDX-LIS

29h 40m2 stops

5:00 am - 6:30 pmLIS-PDX

21h 30m2 stops

$552Air Canada

Find Deal

dom., oct. 19 - jue., nov. 6

11:16 pm - 8:10 amPDX-LIS

24h 54m1 stop

11:20 am - 6:30 pmLIS-PDX

39h 10m2 stops

$559Multiple Airlines

Find Deal

sáb., nov. 15 - vie., dic. 5

6:15 am - 9:50 pmPDX-LIS

31h 35m2 stops

5:55 am - 6:46 pmLIS-PDX

20h 51m2 stops

$564Multiple Airlines

Find Deal

mar., oct. 14 - mar., oct. 21

3:45 pm - 8:20 pmPDX-LIS

21h 35m1 stop

9:20 pm - 5:00 pmLIS-PDX

27h 40m1 stop

$574Icelandair

Find Deal

sáb., nov. 1 - jue., nov. 13

2:35 pm - 8:20 pmSEA-LIS

21h 45m1 stop

9:20 pm - 5:00 pmLIS-SEA

27h 40m1 stop

$590Icelandair

Find Deal

sáb., dic. 27 - jue., ene. 8

United Airlines flights from State of Washington to Lisbon

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

United Airlines

Oct 27

PDX11:59 pmPortland

25h 11m

2 stops

LIS8:10 amLisbon Humberto Delgado

Nov 12

LIS10:15 amLisbon Humberto Delgado

19h 55m

1 stop

PDX10:10 pmPortland

$529

Find similar

United Airlines

Oct 27

PDX11:12 pmPortland

25h 58m

1 stop

LIS8:10 amLisbon Humberto Delgado

Nov 12

LIS10:15 amLisbon Humberto Delgado

19h 55m

1 stop

PDX10:10 pmPortland

$532

Find similar

United Airlines

Feb 18

PDX7:00 amPortland

17h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 24

LIS11:20 amLisbon Humberto Delgado

38h 45m

3 stops

PDX6:05 pmPortland

$555

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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

Nov 30

PDX5:45 pmPortland

32h 05m

1 stop

LIS9:50 amLisbon Humberto Delgado

Dec 11

LIS6:35 pmLisbon Humberto Delgado

29h 20m

1 stop

PDX3:55 pmPortland

$592

Find similar

British Airways

Nov 16

SEA6:50 pmSeattle/Tacoma Intl

18h 55m

1 stop

LIS9:45 pmLisbon Humberto Delgado

Dec 1

LIS6:35 pmLisbon Humberto Delgado

24h 55m

1 stop

SEA11:30 amSeattle/Tacoma Intl

$607

Find similar

British Airways

Dec 28

SEA6:50 pmSeattle/Tacoma Intl

31h 00m

1 stop

LIS9:50 amLisbon Humberto Delgado

Jan 5

LIS7:05 amLisbon Humberto Delgado

36h 25m

1 stop

SEA11:30 amSeattle/Tacoma Intl

$609

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 10/27

11:59 pm-8:10 am

2 stops25h 11m

Lisbon Humberto Delgado

mié. 11/12

10:15 am-10:10 pm

1 stop19h 55m

$529

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 10/27

11:12 pm-8:10 am

1 stop25h 58m

Lisbon Humberto Delgado

mié. 11/12

10:15 am-10:10 pm

1 stop19h 55m

$532

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 10/27

7:00 pm-9:20 am

2 stops31h 20m

Lisbon Humberto Delgado

mié. 11/12

5:00 am-6:30 pm

2 stops21h 30m

$535

PortlandLisbon

PDX - LIS

PDXLIS

Portland

sáb. 1/24

7:00 am-4:05 pm

2 stops25h 05m

Lisbon Humberto Delgado

mié. 1/28

7:00 pm-10:22 pm

2 stops35h 22m

$540

PortlandLisbon

PDX - LIS

PDXLIS

Portland

lun. 12/1

9:50 am-8:55 am

2 stops39h 05m

Lisbon Humberto Delgado

jue. 12/11

10:55 am-6:45 pm

2 stops39h 50m

$546

PortlandLisbon

PDX - LIS

PDXLIS

Portland

dom. 10/19

7:40 pm-9:20 am

2 stops29h 40m

Lisbon Humberto Delgado

jue. 11/6

5:00 am-6:30 pm

2 stops21h 30m

$552

PortlandLisbon

PDX - LIS

PDXLIS

Portland

sáb. 11/15

11:16 pm-8:10 am

1 stop24h 54m

Lisbon Humberto Delgado

vie. 12/5

11:20 am-6:30 pm

2 stops39h 10m

$559

PortlandLisbon

PDX - LIS

PDXLIS

Portland

mar. 10/14

6:15 am-9:50 pm

2 stops31h 35m

Lisbon Humberto Delgado

mar. 10/21

5:55 am-6:46 pm

2 stops20h 51m

$564

PortlandLisbon

PDX - LIS

PDXLIS

Portland

sáb. 11/1

3:45 pm-8:20 pm

1 stop21h 35m

Lisbon Humberto Delgado

jue. 11/13

9:20 pm-5:00 pm

1 stop27h 40m

$574

SeattleLisbon

SEA - LIS

SEALIS

Seattle/Tacoma Intl

sáb. 12/27

2:35 pm-8:20 pm

1 stop21h 45m

Lisbon Humberto Delgado

jue. 1/8

9:20 pm-5:00 pm

1 stop27h 40m

$590

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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, 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 $759. 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 $762.

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 $942 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 $803 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

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.

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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 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 $456	Free Cancellation	Rating 7.0 545 reviews	Search Icelandair flights
Air Canada	PriceFrom $543	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
British Airways	PriceFrom $562	Free Cancellation	Rating 6.7 7,391 reviews	Search British Airways flights
Lufthansa	PriceFrom $566	Free Cancellation	Rating 6.8 7,421 reviews	Search Lufthansa flights
Air France	PriceFrom $570	Free Cancellation	Rating 7.4 1,466 reviews	Search Air France flights
United Airlines	PriceFrom $609	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $627	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Aer Lingus	PriceFrom $627	Free Cancellation	Rating 7.2 1,296 reviews	Search Aer Lingus flights
KLM	PriceFrom $632	Free Cancellation	Rating 7.8 1,387 reviews	Search KLM flights
Turkish Airlines	PriceFrom $646	Free Cancellation	Rating 7.3 3,977 reviews	Search Turkish Airlines flights

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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 $298

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 10/22. 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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United Airlines flights from State of Washington to Lisbon

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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?

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

Lufthansa, 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 14h 35m on average, while flying from Spokane to Lisbon is 19h 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