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

WestJet and British Airways are the most popular carriers operating from Lisbon Humberto Delgado to Washington

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

Prices for flights from Lisbon Humberto Delgado Airport to Washington are updated daily.

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington?

As of May 2026, there are 4 operators available to choose from for flights from Lisbon Humberto Delgado Airport to Washington.

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Washington?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$412 Cheap Flights from Lisbon to Washington in 2026

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Find the cheapest flights from Lisbon to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 pm - 5:10 pm

LIS

SEA

26h 55m

1 stop

7:10 pm - 9:35 pm

SEA

LIS

18h 25m

1 stop

$717Aer Lingus

Fri, May 22 - Sat, Jun 6

10:15 pm - 5:10 pm

LIS

SEA

26h 55m

1 stop

7:10 pm - 9:35 pm

SEA

LIS

18h 25m

1 stop

$728Aer Lingus

Fri, May 22 - Sat, Jun 6

10:15 pm - 5:10 pm

LIS

SEA

26h 55m

1 stop

7:10 pm - 9:35 pm

SEA

LIS

18h 25m

1 stop

$731Aer Lingus

Fri, May 22 - Sat, Jun 6

6:40 am - 5:10 pm

LIS

SEA

18h 30m

1 stop

7:10 pm - 6:55 pm

SEA

LIS

15h 45m

1 stop

$795Multiple Airlines

Mon, Jun 15 - Mon, Jun 22

9:15 pm - 1:45 pm

LIS

SEA

24h 30m

1 stop

3:55 pm - 10:05 pm

SEA

LIS

22h 10m

1 stop

$826Scandinavian Airlines

Fri, May 29 - Fri, Jun 5

11:00 am - 6:25 pm

LIS

SEA

15h 25m

1 stop

1:30 pm - 3:40 pm

SEA

LIS

18h 10m

1 stop

$828British Airways

Wed, Sep 2 - Wed, Sep 30

10:40 am - 2:20 pm

LIS

SEA

35h 40m

3 stops

3:35 pm - 8:30 am

SEA

LIS

33h 55m

3 stops

$896Multiple Airlines

Sat, Oct 24 - Sat, Oct 31

11:05 am - 11:23 pm

LIS

PDX

20h 18m

1 stop

7:30 pm - 5:55 pm

PDX

LIS

14h 25m

1 stop

$946British Airways

Thu, Jun 18 - Wed, Jul 8

5:00 am - 11:10 am

LIS

PDX

14h 10m

1 stop

6:00 am - 11:15 am

PDX

LIS

21h 15m

2 stops

$1,002Delta

Mon, Jun 8 - Mon, Jun 22

5:00 am - 11:10 am

LIS

PDX

14h 10m

1 stop

12:23 pm - 5:50 pm

PDX

LIS

21h 27m

2 stops

$1,004Delta

Mon, Jun 8 - Mon, Jun 22

Aer Lingus flights from Lisbon to State of Washington

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

Aer Lingus

May 22

LIS10:15 pmLisbon Humberto Delgado

26h 55m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

Jun 6

SEA7:10 pmSeattle/Tacoma Intl

18h 25m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$717

Aer Lingus

May 22

LIS10:15 pmLisbon Humberto Delgado

26h 55m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

Jun 6

SEA7:10 pmSeattle/Tacoma Intl

18h 25m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$728

Aer Lingus

Jun 9

LIS10:15 pmLisbon Humberto Delgado

26h 55m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

Jun 15

SEA7:10 pmSeattle/Tacoma Intl

18h 25m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$760

Scandinavian Airlines flights from Lisbon to State of Washington

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

Scandinavian Airlines

May 29

LIS9:15 pmLisbon Humberto Delgado

24h 30m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

Jun 5

SEA3:55 pmSeattle/Tacoma Intl

22h 10m

1 stop

LIS10:05 pmLisbon Humberto Delgado

$826

Scandinavian Airlines

May 22

LIS9:15 pmLisbon Humberto Delgado

34h 40m

2 stops

SEA11:55 pmSeattle/Tacoma Intl

Jun 5

SEA3:55 pmSeattle/Tacoma Intl

22h 10m

1 stop

LIS10:05 pmLisbon Humberto Delgado

$914

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 5/22

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sat 6/6

7:10 pm-9:35 pm

1 stop18h 25m

$717

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 5/22

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sat 6/6

7:10 pm-9:35 pm

1 stop18h 25m

$728

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 5/22

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sat 6/6

7:10 pm-9:35 pm

1 stop18h 25m

$731

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 6/15

6:40 am-5:10 pm

1 stop18h 30m

Seattle/Tacoma Intl

Mon 6/22

7:10 pm-6:55 pm

1 stop15h 45m

$795

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 5/29

9:15 pm-1:45 pm

1 stop24h 30m

Seattle/Tacoma Intl

Fri 6/5

3:55 pm-10:05 pm

1 stop22h 10m

$826

Quickest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 9/2

11:00 am-6:25 pm

1 stop15h 25m

Seattle/Tacoma Intl

Wed 9/30

1:30 pm-3:40 pm

1 stop18h 10m

$828

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 10/24

10:40 am-2:20 pm

3 stops35h 40m

Seattle/Tacoma Intl

Sat 10/31

3:35 pm-8:30 am

3 stops33h 55m

$896

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 6/18

11:05 am-11:23 pm

1 stop20h 18m

Portland

Wed 7/8

7:30 pm-5:55 pm

1 stop14h 25m

$946

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Mon 6/8

5:00 am-11:10 am

1 stop14h 10m

Portland

Mon 6/22

6:00 am-11:15 am

2 stops21h 15m

$1,002

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Mon 6/8

5:00 am-11:10 am

1 stop14h 10m

Portland

Mon 6/22

12:23 pm-5:50 pm

2 stops21h 27m

$1,004

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 Lisbon to State of Washington

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

What is the cheapest month to fly to State of Washington?

The month of September is, on average, the cheapest month to fly to State of Washington from Lisbon, with most prices found around $553. If you aren’t able to travel to State of Washington during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $753.

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

You could potentially save up to 7% on your flight if you consider stops on a Lisbon to State of Washington flight.

Cheap Lisbon to State of Washington flight deals and tips

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

Fastest flight time	14h 10m
Direct flights	None

The fastest flight from Lisbon to State of Washington takes 14h 10m

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

Search flight deals

Frequently asked questions about flying from Lisbon to Washington

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Washington?
Prices for flights from Lisbon Humberto Delgado Airport to Washington are updated daily.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Washington?
As of May 2026, there are 4 operators available to choose from for flights from Lisbon Humberto Delgado Airport to Washington.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Washington?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Lisbon to State of Washington

Compare and see reviews for airlines that fly from Lisbon to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $888	Free Cancellation	Rating 7.9 8,460 reviews		Search Delta flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Lisbon.

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

Yes. momondo allows you to filter the results for Lisbon to Washington flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington from Lisbon. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Lisbon to Washington flights. All you need is a valid email address and we will do the rest; it is that quick and easy.