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Cheap flights from Lisbon to Washington from $321

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 3/4. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 6:00 pm
LIS
-
SEA
18h 00m
2 stops
Multiple Airlines Logo
3:35 pm - 7:25 pm
SEA
-
LIS
20h 50m
2 stops
$754Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
7:00 am - 6:00 pm
LIS
-
SEA
18h 00m
2 stops
Multiple Airlines Logo
3:35 pm - 8:25 pm
SEA
-
LIS
21h 50m
3 stops
$764Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
7:50 pm - 4:40 pm
LIS
-
SEA
27h 50m
2 stops
Multiple Airlines Logo
3:40 pm - 9:10 pm
SEA
-
LIS
21h 30m
2 stops
$831Multiple Airlines
Fri, Mar 13 - Sun, Mar 29
Multiple Airlines Logo
7:50 pm - 4:40 pm
LIS
-
SEA
27h 50m
2 stops
Multiple Airlines Logo
3:40 pm - 10:05 pm
SEA
-
LIS
22h 25m
3 stops
$832Multiple Airlines
Fri, Mar 13 - Sun, Mar 29
Multiple Airlines Logo
7:25 pm - 10:29 am
LIS
-
SEA
46h 04m
2 stops
Multiple Airlines Logo
7:00 pm - 9:20 pm
SEA
-
LIS
18h 20m
1 stop
$851Multiple Airlines
Thu, Mar 26 - Wed, Apr 8
Delta Logo
5:00 am - 11:40 am
LIS
-
SEA
14h 40m
1 stop
Delta Logo
1:40 pm - 3:10 pm
SEA
-
LIS
17h 30m
1 stop
$870Delta
Tue, Feb 17 - Tue, Feb 24
Delta Logo
5:00 am - 11:40 am
LIS
-
SEA
14h 40m
1 stop
Delta Logo
6:00 am - 11:20 am
SEA
-
LIS
21h 20m
2 stops
$871Delta
Thu, Feb 19 - Wed, Mar 4
KLM Logo
5:00 am - 12:35 pm
LIS
-
SEA
14h 35m
1 stop
KLM Logo
4:05 pm - 9:55 am
SEA
-
LIS
34h 50m
1 stop
$876KLM
Fri, Mar 20 - Fri, Mar 27
United Airlines Logo
5:00 am - 9:54 am
LIS
-
PDX
35h 54m
2 stops
United Airlines Logo
1:00 pm - 1:20 pm
PDX
-
LIS
17h 20m
2 stops
$910United Airlines
Wed, Mar 18 - Wed, Mar 25
British Airways Logo
11:00 am - 5:40 pm
LIS
-
PDX
14h 40m
1 stop
British Airways Logo
7:30 pm - 11:05 pm
PDX
-
LIS
19h 35m
1 stop
$949British Airways
Wed, May 13 - Sun, May 17

Delta flights from Lisbon to State of Washington

Our best Delta deals on Lisbon to State of Washington flight tickets
Delta
Feb 17
LIS5:00 amLisbon Humberto Delgado
14h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Feb 24
SEA7:10 amSeattle/Tacoma Intl
20h 10m
2 stops
LIS11:20 amLisbon Humberto Delgado
$870
Delta
Feb 19
LIS5:00 amLisbon Humberto Delgado
14h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Mar 4
SEA6:00 amSeattle/Tacoma Intl
21h 20m
2 stops
LIS11:20 amLisbon Humberto Delgado
$871
Delta
Feb 17
LIS5:30 amLisbon Humberto Delgado
21h 30m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
Feb 24
SEA1:30 pmSeattle/Tacoma Intl
20h 00m
2 stops
LIS5:30 pmLisbon Humberto Delgado
$881

KLM flights from Lisbon to State of Washington

Our best KLM deals on Lisbon to State of Washington flight tickets
KLM
Mar 20
LIS5:00 amLisbon Humberto Delgado
14h 35m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
Mar 27
SEA4:05 pmSeattle/Tacoma Intl
34h 50m
1 stop
LIS9:55 amLisbon Humberto Delgado
$876
KLM
Mar 19
LIS5:00 amLisbon Humberto Delgado
14h 35m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
Mar 26
SEA4:05 pmSeattle/Tacoma Intl
19h 40m
1 stop
LIS6:45 pmLisbon Humberto Delgado
$914
KLM
Mar 19
LIS11:25 amLisbon Humberto Delgado
32h 10m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
Mar 26
SEA4:05 pmSeattle/Tacoma Intl
19h 40m
1 stop
LIS6:45 pmLisbon Humberto Delgado
$921

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 February 3, 2026.
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 3/19

7:00 am-6:00 pm

2 stops18h 00m

Seattle/Tacoma Intl

Thu 3/26

3:35 pm-7:25 pm

2 stops20h 50m

$754

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 3/19

7:00 am-6:00 pm

2 stops18h 00m

Seattle/Tacoma Intl

Thu 3/26

3:35 pm-8:25 pm

3 stops21h 50m

$764

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 3/13

7:50 pm-4:40 pm

2 stops27h 50m

Seattle/Tacoma Intl

Sun 3/29

3:40 pm-9:10 pm

2 stops21h 30m

$831

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 3/13

7:50 pm-4:40 pm

2 stops27h 50m

Seattle/Tacoma Intl

Sun 3/29

3:40 pm-10:05 pm

3 stops22h 25m

$832

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 3/26

7:25 pm-10:29 am

2 stops46h 04m

Seattle/Tacoma Intl

Wed 4/8

7:00 pm-9:20 pm

1 stop18h 20m

$851

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Tue 2/17

5:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Tue 2/24

1:40 pm-3:10 pm

1 stop17h 30m

$870

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Thu 2/19

5:00 am-11:40 am

1 stop14h 40m

Seattle/Tacoma Intl

Wed 3/4

6:00 am-11:20 am

2 stops21h 20m

$871

LisbonSeattle

LIS - SEA

LISSEA

Lisbon Humberto Delgado

Fri 3/20

5:00 am-12:35 pm

1 stop14h 35m

Seattle/Tacoma Intl

Fri 3/27

4:05 pm-9:55 am

1 stop34h 50m

$876

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 3/18

5:00 am-9:54 am

2 stops35h 54m

Portland

Wed 3/25

1:00 pm-1:20 pm

2 stops17h 20m

$910

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 5/13

11:00 am-5:40 pm

1 stop14h 40m

Portland

Sun 5/17

7:30 pm-11:05 pm

1 stop19h 35m

$949

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 May is, on average, the cheapest month to fly to State of Washington from Lisbon, with most prices found around $804. If you aren’t able to travel to State of Washington during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $807.

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 $951 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 $796 on momondo.

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

You could potentially save up to 35% 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 25m

Direct flights

None
The fastest flight from Lisbon to State of Washington takes 14h 25m
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?

  • 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
7,712 reviews
Search British Airways flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air FrancePriceFrom $762Free CancellationRating
7.4
1,531 reviews
Search Air France flights
DeltaPriceFrom $775Free CancellationRating
7.9
8,138 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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Find better results for your trip to Washington

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