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

British Airways is the most popular carrier 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 March 2026, there are 5 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.

$341 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

$729Aer Lingus

Fri, May 1 - Sat, May 16

10:15 pm - 5:10 pm

LIS

SEA

26h 55m

1 stop

7:10 pm - 9:35 pm

SEA

LIS

18h 25m

1 stop

$757Aer Lingus

Sun, Apr 19 - Mon, May 4

6:10 am - 9:40 am

LIS

SEA

35h 30m

2 stops

7:00 pm - 10:05 pm

SEA

LIS

19h 05m

2 stops

$838Multiple Airlines

Sat, May 2 - Sat, May 9

7:00 am - 10:45 pm

LIS

SEA

23h 45m

2 stops

3:55 pm - 3:35 pm

SEA

LIS

15h 40m

1 stop

$861Scandinavian Airlines

Thu, May 14 - Fri, May 29

9:35 am - 7:23 pm

LIS

SEA

17h 48m

1 stop

7:00 pm - 9:05 pm

SEA

LIS

42h 05m

2 stops

$874Multiple Airlines

Fri, Apr 24 - Sat, May 9

9:15 pm - 6:45 pm

LIS

SEA

29h 30m

3 stops

7:00 pm - 10:05 pm

SEA

LIS

19h 05m

2 stops

$884Multiple Airlines

Sat, May 2 - Sat, May 9

5:55 am - 5:15 pm

LIS

SEA

19h 20m

1 stop

7:10 pm - 11:45 pm

SEA

LIS

20h 35m

1 stop

$909Turkish Airlines

Wed, Apr 8 - Wed, Apr 22

4:45 pm - 5:15 pm

LIS

SEA

32h 30m

1 stop

7:10 pm - 3:45 pm

SEA

LIS

36h 35m

1 stop

$910Turkish Airlines

Wed, Apr 8 - Wed, Apr 22

5:00 am - 11:10 am

LIS

PDX

14h 10m

1 stop

1:35 pm - 2:55 pm

PDX

LIS

17h 20m

2 stops

$941Delta

Fri, Apr 17 - Thu, May 7

5:00 am - 11:10 am

LIS

PDX

14h 10m

1 stop

1:32 pm - 5:50 pm

PDX

LIS

20h 18m

2 stops

$964Delta

Fri, May 1 - Tue, May 5

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 1

LIS10:15 pmLisbon Humberto Delgado

26h 55m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

May 16

SEA7:10 pmSeattle/Tacoma Intl

18h 25m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$729

Aer Lingus

Apr 19

LIS10:15 pmLisbon Humberto Delgado

26h 55m

1 stop

SEA5:10 pmSeattle/Tacoma Intl

May 4

SEA7:10 pmSeattle/Tacoma Intl

18h 25m

1 stop

LIS9:35 pmLisbon Humberto Delgado

$757

United Airlines flights from Lisbon to State of Washington

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

United Airlines

Apr 14

LIS5:05 amLisbon Humberto Delgado

15h 15m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Apr 19

SEA6:50 pmSeattle/Tacoma Intl

19h 55m

1 stop

LIS10:45 pmLisbon Humberto Delgado

$958

United Airlines

May 5

LIS5:05 amLisbon Humberto Delgado

17h 40m

2 stops

PDX2:45 pmPortland

May 12

PDX8:04 amPortland

16h 16m

2 stops

LIS8:20 amLisbon Humberto Delgado

$962

United Airlines

May 6

LIS5:05 amLisbon Humberto Delgado

17h 15m

2 stops

SEA2:20 pmSeattle/Tacoma Intl

May 13

SEA10:52 amSeattle/Tacoma Intl

27h 53m

2 stops

LIS10:45 pmLisbon Humberto Delgado

$967

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 5/1

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Sat 5/16

7:10 pm-9:35 pm

1 stop18h 25m

$729

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 4/19

10:15 pm-5:10 pm

1 stop26h 55m

Seattle/Tacoma Intl

Mon 5/4

7:10 pm-9:35 pm

1 stop18h 25m

$757

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 5/2

6:10 am-9:40 am

2 stops35h 30m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-10:05 pm

2 stops19h 05m

$838

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 5/14

7:00 am-10:45 pm

2 stops23h 45m

Seattle/Tacoma Intl

Fri 5/29

3:55 pm-3:35 pm

1 stop15h 40m

$861

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 4/24

9:35 am-7:23 pm

1 stop17h 48m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-9:05 pm

2 stops42h 05m

$874

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 5/2

9:15 pm-6:45 pm

3 stops29h 30m

Seattle/Tacoma Intl

Sat 5/9

7:00 pm-10:05 pm

2 stops19h 05m

$884

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 4/8

5:55 am-5:15 pm

1 stop19h 20m

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-11:45 pm

1 stop20h 35m

$909

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Wed 4/8

4:45 pm-5:15 pm

1 stop32h 30m

Seattle/Tacoma Intl

Wed 4/22

7:10 pm-3:45 pm

1 stop36h 35m

$910

Quickest round-trip

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 4/17

5:00 am-11:10 am

1 stop14h 10m

Portland

Thu 5/7

1:35 pm-2:55 pm

2 stops17h 20m

$941

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 5/1

5:00 am-11:10 am

1 stop14h 10m

Portland

Tue 5/5

1:32 pm-5:50 pm

2 stops20h 18m

$964

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 February is, on average, the cheapest month to fly to State of Washington from Lisbon, with most prices found around $825. If you aren’t able to travel to State of Washington during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $844.

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

You could potentially save up to 15% 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	15h 59m
Direct flights	None

The fastest flight from Lisbon to State of Washington takes 15h 59m

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

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 March 2026, there are 5 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
Air France	PriceFrom $762	Free Cancellation	Rating 7.4 1,547 reviews		Search Air France flights
Delta	PriceFrom $775	Free Cancellation	Rating 7.9 8,318 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.