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Cheap flights from Seattle to Warsaw from $243

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Warsaw departing on 5/11. 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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Find the cheapest flights from Seattle to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:10 pm - 4:30 pm
SEA
-
WAW
16h 20m
1 stop
Multiple Airlines Logo
6:30 am - 10:16 pm
WAW
-
SEA
23h 46m
2 stops
$523Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Lufthansa Logo
3:10 pm - 4:30 pm
SEA
-
WAW
16h 20m
1 stop
Lufthansa Logo
6:05 am - 2:20 pm
WAW
-
SEA
16h 15m
1 stop
$524Lufthansa
Wed, Mar 4 - Wed, Mar 11
British Airways Logo
1:19 pm - 9:10 pm
SEA
-
WAW
22h 51m
2 stops
British Airways Logo
11:55 am - 11:35 am
WAW
-
SEA
32h 40m
1 stop
$534British Airways
Tue, Apr 7 - Tue, Apr 14
Delta Logo
6:40 pm - 6:25 pm
SEA
-
WAW
14h 45m
1 stop
Delta Logo
12:25 pm - 11:45 am
WAW
-
SEA
32h 20m
1 stop
$535Delta
Sun, Apr 5 - Wed, Apr 15
Lufthansa Logo
6:50 pm - 4:20 pm
SEA
-
WAW
12h 30m
1 stop
Lufthansa Logo
6:50 am - 12:20 pm
WAW
-
SEA
14h 30m
1 stop
$537Lufthansa
Wed, Apr 8 - Tue, Apr 14
British Airways Logo
7:15 am - 6:50 pm
SEA
-
WAW
26h 35m
2 stops
British Airways Logo
12:45 pm - 12:24 am
WAW
-
SEA
19h 39m
2 stops
$538British Airways
Wed, Mar 4 - Wed, Mar 11
Air Canada Logo
3:40 pm - 4:20 pm
SEA
-
WAW
15h 40m
2 stops
Air Canada Logo
1:15 pm - 10:50 pm
WAW
-
SEA
18h 35m
2 stops
$539Air Canada
Wed, Apr 8 - Tue, Apr 14
Delta Logo
6:40 pm - 6:25 pm
SEA
-
WAW
14h 45m
1 stop
Delta Logo
12:25 pm - 5:38 pm
WAW
-
SEA
14h 13m
1 stop
$541Delta
Sun, Apr 5 - Thu, Apr 16
United Airlines Logo
5:00 am - 10:05 pm
SEA
-
WAW
32h 05m
2 stops
United Airlines Logo
7:00 am - 12:20 pm
WAW
-
SEA
14h 20m
1 stop
$542United Airlines
Wed, Apr 8 - Wed, Apr 15
Scandinavian Airlines Logo
7:20 am - 9:35 am
SEA
-
WAW
17h 15m
2 stops
Scandinavian Airlines Logo
4:50 pm - 10:31 pm
WAW
-
SEA
38h 41m
2 stops
$544Scandinavian Airlines
Tue, Apr 7 - Wed, Apr 15

British Airways flights from Seattle to Warsaw

Our best British Airways deals on Seattle to Warsaw flight tickets
British Airways
Apr 7
SEA1:19 pmSeattle/Tacoma Intl
22h 51m
2 stops
WAW9:10 pmWarsaw Frederic Chopin
Apr 14
WAW11:55 amWarsaw Frederic Chopin
32h 40m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$534
British Airways
Mar 4
SEA7:15 amSeattle/Tacoma Intl
26h 35m
2 stops
WAW6:50 pmWarsaw Frederic Chopin
Mar 11
WAW12:45 pmWarsaw Frederic Chopin
19h 39m
2 stops
SEA12:24 amSeattle/Tacoma Intl
$538
British Airways
May 18
SEA1:35 pmSeattle/Tacoma Intl
19h 10m
1 stop
WAW5:45 pmWarsaw Frederic Chopin
May 27
WAW6:15 pmWarsaw Frederic Chopin
26h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$596

Delta flights from Seattle to Warsaw

Our best Delta deals on Seattle to Warsaw flight tickets
Delta
Apr 5
SEA6:40 pmSeattle/Tacoma Intl
14h 45m
1 stop
WAW6:25 pmWarsaw Frederic Chopin
Apr 15
WAW12:25 pmWarsaw Frederic Chopin
32h 20m
1 stop
SEA11:45 amSeattle/Tacoma Intl
$535
Delta
Apr 5
SEA6:40 pmSeattle/Tacoma Intl
14h 45m
1 stop
WAW6:25 pmWarsaw Frederic Chopin
Apr 16
WAW12:25 pmWarsaw Frederic Chopin
14h 13m
1 stop
SEA5:38 pmSeattle/Tacoma Intl
$541
Delta
Apr 6
SEA1:45 pmSeattle/Tacoma Intl
17h 40m
1 stop
WAW4:25 pmWarsaw Frederic Chopin
Apr 16
WAW6:05 amWarsaw Frederic Chopin
20h 33m
1 stop
SEA5:38 pmSeattle/Tacoma Intl
$547

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Warsaw 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 4, 2026.
Use the filters below to find and compare flights from Seattle to Warsaw that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 3/4

3:10 pm-4:30 pm

1 stop16h 20m

Warsaw Frederic Chopin

Wed 3/11

6:30 am-10:16 pm

2 stops23h 46m

$523

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 3/4

3:10 pm-4:30 pm

1 stop16h 20m

Warsaw Frederic Chopin

Wed 3/11

6:05 am-2:20 pm

1 stop16h 15m

$524

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/7

1:19 pm-9:10 pm

2 stops22h 51m

Warsaw Frederic Chopin

Tue 4/14

11:55 am-11:35 am

1 stop32h 40m

$534

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 4/5

6:40 pm-6:25 pm

1 stop14h 45m

Warsaw Frederic Chopin

Wed 4/15

12:25 pm-11:45 am

1 stop32h 20m

$535

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/8

6:50 pm-4:20 pm

1 stop12h 30m

Warsaw Frederic Chopin

Tue 4/14

6:50 am-12:20 pm

1 stop14h 30m

$537

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 3/4

7:15 am-6:50 pm

2 stops26h 35m

Warsaw Frederic Chopin

Wed 3/11

12:45 pm-12:24 am

2 stops19h 39m

$538

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/8

3:40 pm-4:20 pm

2 stops15h 40m

Warsaw Frederic Chopin

Tue 4/14

1:15 pm-10:50 pm

2 stops18h 35m

$539

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 4/5

6:40 pm-6:25 pm

1 stop14h 45m

Warsaw Frederic Chopin

Thu 4/16

12:25 pm-5:38 pm

1 stop14h 13m

$541

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/8

5:00 am-10:05 pm

2 stops32h 05m

Warsaw Frederic Chopin

Wed 4/15

7:00 am-12:20 pm

1 stop14h 20m

$542

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/7

7:20 am-9:35 am

2 stops17h 15m

Warsaw Frederic Chopin

Wed 4/15

4:50 pm-10:31 pm

2 stops38h 41m

$544

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 Warsaw from

How to get the cheapest flight ticket from Seattle to Warsaw

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 Warsaw?

The cheapest month to fly to Warsaw from Seattle is in September. Flight prices, which tend to average around $517, are often lower during this time because this is during the off-season. If you are unable to visit Warsaw during the month of September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $558.

How far in advance should I book a flight to Warsaw?

You are more likely to see cheaper flights to Warsaw from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Warsaw for around $755 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Warsaw from Seattle for as low as $551 on momondo.

Cheap Seattle to Warsaw flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Warsaw

Fastest flight time

12h 30m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 12h 30m
There are no direct flights from Seattle to Warsaw. There are no popular flight routes from Seattle to Warsaw.
Search flight deals

  • How far is Seattle/Tacoma Intl to Warsaw by plane?

    The distance between Seattle/Tacoma Intl and Warsaw is about 5203.9 mi. By plane, this route typically takes 12h 30m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Warsaw?

    Prices for flights from Seattle/Tacoma Intl Airport to Warsaw are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Warsaw?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Warsaw?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Warsaw.

  • What documentation or ID do you need to fly to Warsaw?

    The travel and health documents you'll need for your trip to Warsaw may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Warsaw. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Warsaw

Compare and see reviews for airlines that fly from Seattle to Warsaw with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $361Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,714 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $450Free CancellationRating
7.3
1,677 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,759 reviews
Search Lufthansa flights
FinnairPriceFrom $537Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
KLMPriceFrom $650Free CancellationRating
7.7
1,448 reviews
Search KLM flights
DeltaPriceFrom $653Free CancellationRating
7.9
8,142 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Warsaw?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Warsaw. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Warsaw with flexible booking policies on momondo?

All flight searches from Seattle to Warsaw on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Warsaw?

momondo helps you find the best flight between Seattle and Warsaw by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Warsaw right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Warsaw now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Warsaw and let you know when they change.

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Find better results for your trip to Poland

Fly into one of these airports located in Warsaw

Airports listed have a maximum distance of 21.5 mi from Warsaw
Warsaw Modlin Airport