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Cheap flights from Lisbon to Washington from $356

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 2/25. 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

Enter your travel dates to find the best prices.
Air Canada Logo
10:55 am - 2:31 pmLIS-SEA
35h 36m2 stops
Air Canada Logo
8:10 am - 9:20 amSEA-LIS
17h 10m1 stop
$701Air Canada
Find Deal
Thu, Dec 25 - Wed, Jan 7
Air Canada Logo
10:55 am - 9:31 amLIS-SEA
30h 36m2 stops
Air Canada Logo
8:00 pm - 9:20 amSEA-LIS
29h 20m2 stops
$709Air Canada
Find Deal
Thu, Dec 25 - Wed, Jan 7
Delta Logo
5:00 am - 12:35 pmLIS-SEA
14h 35m1 stop
Delta Logo
6:30 pm - 5:50 pmSEA-LIS
15h 20m1 stop
$825Delta
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Mon, Mar 23 - Mon, Apr 6
Delta Logo
5:00 am - 6:58 pmLIS-SEA
20h 58m2 stops
Delta Logo
7:20 am - 11:15 amSEA-LIS
19h 55m2 stops
$831Delta
Find Deal
Tue, Mar 24 - Mon, Apr 6
United Airlines Logo
5:00 am - 12:10 pmLIS-SEA
15h 10m1 stop
United Airlines Logo
8:57 am - 10:15 amSEA-LIS
17h 18m2 stops
$852United Airlines
Find Deal
Thu, Dec 18 - Tue, Dec 30
United Airlines Logo
5:00 am - 12:10 pmLIS-SEA
15h 10m1 stop
United Airlines Logo
10:52 am - 10:15 amSEA-LIS
15h 23m2 stops
$853United Airlines
Find Deal
Thu, Dec 18 - Tue, Dec 30
Air France Logo
6:30 pm - 11:25 amLIS-SEA
24h 55m1 stop
Air France Logo
2:05 pm - 3:10 pmSEA-LIS
17h 05m1 stop
$867Air France
Find Deal
Mon, Dec 1 - Mon, Dec 8
Air France Logo
6:30 pm - 11:25 amLIS-SEA
24h 55m1 stop
Air France Logo
2:05 pm - 5:30 pmSEA-LIS
19h 25m1 stop
$870Air France
Find Deal
Mon, Dec 1 - Mon, Dec 8
British Airways Logo
6:35 pm - 11:30 amLIS-SEA
24h 55m1 stop
British Airways Logo
6:50 pm - 5:40 pmSEA-LIS
14h 50m1 stop
$896British Airways
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Mon, Dec 22 - Wed, Dec 31
British Airways Logo
6:35 pm - 11:30 amLIS-SEA
24h 55m1 stop
British Airways Logo
6:50 pm - 6:00 pmSEA-LIS
15h 10m1 stop
$925British Airways
Find Deal
Mon, Dec 22 - Thu, Jan 1

Air Canada flights from Lisbon to State of Washington

Our best Air Canada deals on Lisbon to State of Washington flight tickets
Air Canada
Dec 25
LIS10:55 amLisbon Humberto Delgado
35h 36m
2 stops
SEA2:31 pmSeattle/Tacoma Intl
Jan 7
SEA8:10 amSeattle/Tacoma Intl
17h 10m
1 stop
LIS9:20 amLisbon Humberto Delgado
$701
Find similar
Air Canada
Dec 25
LIS10:55 amLisbon Humberto Delgado
30h 36m
2 stops
SEA9:31 amSeattle/Tacoma Intl
Jan 7
SEA8:00 pmSeattle/Tacoma Intl
29h 20m
2 stops
LIS9:20 amLisbon Humberto Delgado
$709
Find similar
Air Canada
Dec 5
LIS5:00 amLisbon Humberto Delgado
25h 16m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Dec 8
SEA8:00 pmSeattle/Tacoma Intl
29h 20m
3 stops
LIS9:20 amLisbon Humberto Delgado
$746
Find similar

British Airways flights from Lisbon to State of Washington

Our best British Airways deals on Lisbon to State of Washington flight tickets
British Airways
Dec 22
LIS6:35 pmLisbon Humberto Delgado
24h 55m
1 stop
SEA11:30 amSeattle/Tacoma Intl
Dec 31
SEA6:50 pmSeattle/Tacoma Intl
14h 50m
1 stop
LIS5:40 pmLisbon Humberto Delgado
$896
Find similar
British Airways
Nov 6
LIS10:55 amLisbon Humberto Delgado
19h 25m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Nov 22
SEA6:50 pmSeattle/Tacoma Intl
19h 40m
1 stop
LIS10:30 pmLisbon Humberto Delgado
$917
Find similar
British Airways
Dec 22
LIS6:35 pmLisbon Humberto Delgado
24h 55m
1 stop
SEA11:30 amSeattle/Tacoma Intl
Jan 1
SEA6:50 pmSeattle/Tacoma Intl
15h 10m
1 stop
LIS6:00 pmLisbon Humberto Delgado
$925
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 November 5, 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

Thu 12/25

10:55 am-2:31 pm

2 stops35h 36m

Seattle/Tacoma Intl

Wed 1/7

8:10 am-9:20 am

1 stop17h 10m

$701

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 12/25

10:55 am-9:31 am

2 stops30h 36m

Seattle/Tacoma Intl

Wed 1/7

8:00 pm-9:20 am

2 stops29h 20m

$709

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 3/23

5:00 am-12:35 pm

1 stop14h 35m

Seattle/Tacoma Intl

Mon 4/6

6:30 pm-5:50 pm

1 stop15h 20m

$825

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 3/24

5:00 am-6:58 pm

2 stops20h 58m

Seattle/Tacoma Intl

Mon 4/6

7:20 am-11:15 am

2 stops19h 55m

$831

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 12/18

5:00 am-12:10 pm

1 stop15h 10m

Seattle/Tacoma Intl

Tue 12/30

8:57 am-10:15 am

2 stops17h 18m

$852

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 12/18

5:00 am-12:10 pm

1 stop15h 10m

Seattle/Tacoma Intl

Tue 12/30

10:52 am-10:15 am

2 stops15h 23m

$853

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 12/1

6:30 pm-11:25 am

1 stop24h 55m

Seattle/Tacoma Intl

Mon 12/8

2:05 pm-3:10 pm

1 stop17h 05m

$867

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 12/1

6:30 pm-11:25 am

1 stop24h 55m

Seattle/Tacoma Intl

Mon 12/8

2:05 pm-5:30 pm

1 stop19h 25m

$870

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 12/22

6:35 pm-11:30 am

1 stop24h 55m

Seattle/Tacoma Intl

Wed 12/31

6:50 pm-5:40 pm

1 stop14h 50m

$896

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Mon 12/22

6:35 pm-11:30 am

1 stop24h 55m

Seattle/Tacoma Intl

Thu 1/1

6:50 pm-6:00 pm

1 stop15h 10m

$925

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 $803.

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 $950 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 23% 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

Direct flights

None
There are no direct flights from Lisbon to State of Washington. There are no popular flight routes from Lisbon to State of Washington.
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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
6.7
7,496 reviews
Search British Airways flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,000 reviews
Search United Airlines flights
Air FrancePriceFrom $762Free CancellationRating
7.4
1,484 reviews
Search Air France flights
DeltaPriceFrom $775Free CancellationRating
7.9
8,005 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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