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Cheap flights from Lisbon to Washington from $373

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Washington departing on 11/23. 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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Cheap round-trip flights

Aer Lingus Logo
10:15 pm - 5:50 pmLIS-SEA
27h 35m1 stop
Aer Lingus Logo
7:35 pm - 9:35 pmSEA-LIS
18h 00m1 stop
$662Aer Lingus
Find Deal
Fri, Sep 5 - Sat, Sep 20
Aer Lingus Logo
10:15 pm - 5:50 pmLIS-SEA
27h 35m1 stop
Aer Lingus Logo
7:35 pm - 9:35 pmSEA-LIS
18h 00m1 stop
$685Aer Lingus
Find Deal
Sun, Sep 7 - Mon, Sep 22
Aer Lingus Logo
10:15 pm - 5:50 pmLIS-SEA
27h 35m1 stop
Aer Lingus Logo
7:35 pm - 9:35 pmSEA-LIS
18h 00m1 stop
$702Aer Lingus
Find Deal
Fri, Sep 5 - Sat, Sep 20
Delta Logo
5:00 am - 11:50 amLIS-SEA
14h 50m1 stop
Delta Logo
1:30 pm - 11:15 amSEA-LIS
13h 45m1 stop
$763Delta
Find Deal
Fri, Oct 17 - Wed, Oct 22
Delta Logo
5:00 am - 11:45 amLIS-SEA
14h 45m1 stop
Delta Logo
9:40 am - 2:50 pmSEA-LIS
21h 10m2 stops
$767Delta
Find Deal
Fri, Sep 5 - Thu, Sep 18
British Airways Logo
6:35 pm - 3:55 pmLIS-PDX
29h 20m1 stop
British Airways Logo
1:40 pm - 2:55 pmPDX-LIS
17h 15m2 stops
$835British Airways
Find Deal
Thu, Dec 4 - Mon, Dec 8
British Airways Logo
6:35 pm - 3:55 pmLIS-PDX
29h 20m1 stop
British Airways Logo
1:40 pm - 2:55 pmPDX-LIS
17h 15m2 stops
$842British Airways
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
5:05 am - 11:55 amLIS-SEA
14h 50m1 stop
United Airlines Logo
5:00 am - 8:20 amSEA-LIS
19h 20m2 stops
$856United Airlines
Find Deal
Fri, Oct 17 - Thu, Oct 23
United Airlines Logo
5:05 am - 10:30 pmLIS-PDX
25h 25m2 stops
United Airlines Logo
5:00 am - 8:20 amPDX-LIS
19h 20m2 stops
$862United Airlines
Find Deal
Thu, Oct 2 - Thu, Oct 16
Air France Logo
5:40 am - 11:15 amLIS-SEA
13h 35m1 stop
Air France Logo
1:30 pm - 8:50 amSEA-LIS
35h 20m1 stop
$957Air France
Find Deal
Fri, Sep 5 - Thu, Sep 18

Aer Lingus flights from Lisbon to State of Washington

Our best Aer Lingus deals on Lisbon to State of Washington flight tickets
Aer Lingus
Sep 5
LIS10:15 pmLisbon Humberto Delgado
27h 35m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Sep 20
SEA7:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LIS9:35 pmLisbon Humberto Delgado
$662
Find similar
Aer Lingus
Sep 7
LIS10:15 pmLisbon Humberto Delgado
27h 35m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Sep 22
SEA7:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LIS9:35 pmLisbon Humberto Delgado
$685
Find similar
Aer Lingus
Sep 5
LIS10:15 pmLisbon Humberto Delgado
27h 35m
1 stop
SEA5:50 pmSeattle/Tacoma Intl
Sep 20
SEA7:35 pmSeattle/Tacoma Intl
18h 00m
1 stop
LIS9:35 pmLisbon Humberto Delgado
$702
Find similar

Virgin Atlantic flights from Lisbon to State of Washington

Our best Virgin Atlantic deals on Lisbon to State of Washington flight tickets
Virgin Atlantic
Sep 12
LIS10:00 amLisbon Humberto Delgado
20h 25m
1 stop
SEA10:25 pmSeattle/Tacoma Intl
Sep 19
SEA7:55 pmSeattle/Tacoma Intl
28h 05m
2 stops
LIS8:00 amLisbon Humberto Delgado
$908
Find similar
Virgin Atlantic
Aug 8
LIS10:00 amLisbon Humberto Delgado
22h 01m
2 stops
SEA12:01 amSeattle/Tacoma Intl
Sep 5
SEA9:45 pmSeattle/Tacoma Intl
26h 15m
1 stop
LIS8:00 amLisbon Humberto Delgado
$1,086
Find similar
Virgin Atlantic
Aug 9
LIS12:45 pmLisbon Humberto Delgado
17h 31m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
Aug 28
SEA7:18 amSeattle/Tacoma Intl
16h 42m
1 stop
LIS8:00 amLisbon Humberto Delgado
$1,108
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Lisbon to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 9/5

10:15 pm-5:50 pm

1 stop27h 35m

Seattle/Tacoma Intl

Sat 9/20

7:35 pm-9:35 pm

1 stop18h 00m

$662

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Sun 9/7

10:15 pm-5:50 pm

1 stop27h 35m

Seattle/Tacoma Intl

Mon 9/22

7:35 pm-9:35 pm

1 stop18h 00m

$685

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 9/5

10:15 pm-5:50 pm

1 stop27h 35m

Seattle/Tacoma Intl

Sat 9/20

7:35 pm-9:35 pm

1 stop18h 00m

$702

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 10/17

5:00 am-11:50 am

1 stop14h 50m

Seattle/Tacoma Intl

Wed 10/22

1:30 pm-11:15 am

1 stop13h 45m

$763

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 9/5

5:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Thu 9/18

9:40 am-2:50 pm

2 stops21h 10m

$767

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

6:35 pm-3:55 pm

1 stop29h 20m

Portland

Mon 12/8

1:40 pm-2:55 pm

2 stops17h 15m

$835

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

6:35 pm-3:55 pm

1 stop29h 20m

Portland

Mon 12/8

1:40 pm-2:55 pm

2 stops17h 15m

$842

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 10/17

5:05 am-11:55 am

1 stop14h 50m

Seattle/Tacoma Intl

Thu 10/23

5:00 am-8:20 am

2 stops19h 20m

$856

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 10/2

5:05 am-10:30 pm

2 stops25h 25m

Portland

Thu 10/16

5:00 am-8:20 am

2 stops19h 20m

$862

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 9/5

5:40 am-11:15 am

1 stop13h 35m

Seattle/Tacoma Intl

Thu 9/18

1:30 pm-8:50 am

1 stop35h 20m

$957

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

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

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

The month of April is, on average, the cheapest month to fly to State of Washington from Lisbon, with most prices found around $800. If you aren’t able to travel to State of Washington during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $804.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Lisbon to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $800. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Lisbon to State of Washington for around $1,074.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $718. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $873 on average. Flights to State of Washington from Lisbon in the morning 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 State of Washington?

You are more likely to see cheaper flights to State of Washington from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $929 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Lisbon for as low as $792 on momondo.

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

You could potentially save up to 28% 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

Best Price Found

$373

Fastest flight time

13h 35m

Direct flights

None

Airports in State of Washington

2 airports
The best one-way flight to State of Washington from Lisbon in the past 72 hours is $373. The best round-trip flight deal from Lisbon to State of Washington found on momondo in the last 72 hours is $662.
The fastest flight from Lisbon to State of Washington takes 13h 35m
There are no direct flights from Lisbon to State of Washington. Popular non-direct routes for this connection are Lisbon Humberto Delgado Airport - Seattle/Tacoma Intl Airport and Lisbon Humberto Delgado Airport - Portland Airport.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
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  • 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?

  • 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
British AirwaysPriceFrom $720Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Air FrancePriceFrom $762Free CancellationRating
7.5
1,465 reviews
Search Air France flights
DeltaPriceFrom $775Free CancellationRating
8.0
7,981 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.

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