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

Finnair 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 August 2026, there are 2 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.

$391 Cheap Flights from Lisbon to Washington in 2026

Discover deals from 900+ travel sites with momondo.

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.

10:55 pm - 1:45 pm

LIS

SEA

22h 50m

1 stop

3:55 pm - 10:05 pm

SEA

LIS

22h 10m

1 stop

$770Scandinavian Airlines

Sat, Aug 29 - Fri, Sep 11

11:00 pm - 9:40 am

LIS

SEA

42h 40m

3 stops

3:40 pm - 9:05 pm

SEA

LIS

21h 25m

2 stops

$778Multiple Airlines

Mon, Sep 14 - Sun, Sep 20

10:55 pm - 1:45 pm

LIS

SEA

22h 50m

1 stop

3:55 pm - 10:05 pm

SEA

LIS

22h 10m

1 stop

$799Scandinavian Airlines

Sat, Aug 29 - Fri, Sep 11

11:00 pm - 9:39 pm

LIS

SEA

30h 39m

3 stops

7:35 pm - 9:35 am

SEA

LIS

30h 00m

3 stops

$804Multiple Airlines

Mon, Sep 14 - Sun, Sep 20

7:00 am - 9:00 pm

LIS

SEA

46h 00m

3 stops

3:40 pm - 11:25 pm

SEA

LIS

23h 45m

2 stops

$812Multiple Airlines

Sat, Sep 5 - Fri, Sep 18

10:55 pm - 1:45 pm

LIS

SEA

22h 50m

1 stop

3:55 pm - 10:05 pm

SEA

LIS

22h 10m

1 stop

$815Scandinavian Airlines

Sat, Aug 29 - Fri, Sep 11

5:00 am - 11:47 am

LIS

SEA

14h 47m

1 stop

6:45 pm - 5:50 pm

SEA

LIS

15h 05m

1 stop

$947Delta

Thu, Sep 10 - Thu, Sep 17

5:00 am - 4:35 pm

LIS

SEA

19h 35m

1 stop

7:15 am - 11:15 am

SEA

LIS

20h 00m

2 stops

$947Delta

Tue, Sep 29 - Tue, Oct 6

5:05 am - 2:51 pm

LIS

PDX

17h 46m

2 stops

8:25 am - 10:30 am

PDX

LIS

18h 05m

1 stop

$977United Airlines

Thu, Aug 27 - Wed, Sep 9

5:05 am - 2:51 pm

LIS

PDX

17h 46m

2 stops

5:00 am - 10:30 am

PDX

LIS

21h 30m

2 stops

$977United Airlines

Thu, Aug 27 - Wed, Sep 9

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British Airways flights from Lisbon to State of Washington

Our best British Airways deals on Lisbon to State of Washington flight tickets

British Airways

Oct 23

LIS11:05 amLisbon Humberto Delgado

20h 00m

1 stop

PDX11:05 pmPortland

Nov 1

PDX5:45 pmPortland

16h 00m

1 stop

LIS5:45 pmLisbon Humberto Delgado

$975

British Airways

Oct 23

LIS11:05 amLisbon Humberto Delgado

20h 00m

1 stop

PDX11:05 pmPortland

Nov 1

PDX5:45 pmPortland

20h 00m

1 stop

LIS9:45 pmLisbon Humberto Delgado

$976

British Airways

Oct 23

LIS11:05 amLisbon Humberto Delgado

14h 35m

1 stop

PDX5:40 pmPortland

Nov 1

PDX5:45 pmPortland

16h 00m

1 stop

LIS5:45 pmLisbon Humberto Delgado

$980

United Airlines flights from Lisbon to State of Washington

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

United Airlines

Aug 27

LIS5:05 amLisbon Humberto Delgado

17h 46m

2 stops

PDX2:51 pmPortland

Sep 9

PDX8:25 amPortland

18h 05m

1 stop

LIS10:30 amLisbon Humberto Delgado

$977

United Airlines

Sep 11

LIS5:05 amLisbon Humberto Delgado

20h 44m

2 stops

PDX5:49 pmPortland

Sep 18

PDX10:56 amPortland

13h 24m

1 stop

LIS8:20 amLisbon Humberto Delgado

$982

United Airlines

Sep 16

LIS5:05 amLisbon Humberto Delgado

36h 26m

2 stops

PDX9:31 amPortland

Sep 23

PDX11:02 pmPortland

27h 28m

2 stops

LIS10:30 amLisbon Humberto Delgado

$1,000

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 8/29

10:55 pm-1:45 pm

1 stop22h 50m

Seattle/Tacoma Intl

Fri 9/11

3:55 pm-10:05 pm

1 stop22h 10m

$770

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 9/14

11:00 pm-9:40 am

3 stops42h 40m

Seattle/Tacoma Intl

Sun 9/20

3:40 pm-9:05 pm

2 stops21h 25m

$778

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 8/29

10:55 pm-1:45 pm

1 stop22h 50m

Seattle/Tacoma Intl

Fri 9/11

3:55 pm-10:05 pm

1 stop22h 10m

$799

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 9/14

11:00 pm-9:39 pm

3 stops30h 39m

Seattle/Tacoma Intl

Sun 9/20

7:35 pm-9:35 am

3 stops30h 00m

$804

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 9/5

7:00 am-9:00 pm

3 stops46h 00m

Seattle/Tacoma Intl

Fri 9/18

3:40 pm-11:25 pm

2 stops23h 45m

$812

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sat 8/29

10:55 pm-1:45 pm

1 stop22h 50m

Seattle/Tacoma Intl

Fri 9/11

3:55 pm-10:05 pm

1 stop22h 10m

$815

Quickest round-trip

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 9/10

5:00 am-11:47 am

1 stop14h 47m

Seattle/Tacoma Intl

Thu 9/17

6:45 pm-5:50 pm

1 stop15h 05m

$947

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 9/29

5:00 am-4:35 pm

1 stop19h 35m

Seattle/Tacoma Intl

Tue 10/6

7:15 am-11:15 am

2 stops20h 00m

$947

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 8/27

5:05 am-2:51 pm

2 stops17h 46m

Portland

Wed 9/9

8:25 am-10:30 am

1 stop18h 05m

$977

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 8/27

5:05 am-2:51 pm

2 stops17h 46m

Portland

Wed 9/9

5:00 am-10:30 am

2 stops21h 30m

$977

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 December is, on average, the cheapest month to fly to State of Washington from Lisbon, with most prices found around $880. If you aren’t able to travel to State of Washington during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $897.

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

You could potentially save up to 9% 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 50m
Direct flights	None

The fastest flight from Lisbon to State of Washington takes 14h 50m

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 August 2026, there are 2 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 $1,041	Free Cancellation	Rating 7.8 8,497 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.