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Cheap flights from Seattle to Warsaw from $218

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 4/24. 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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Find the cheapest flights from Seattle to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:10 pm - 6:20 pm
SEA
-
WAW
19h 10m
1 stop
Lufthansa Logo
6:50 am - 12:20 pm
WAW
-
SEA
14h 30m
1 stop
$503Lufthansa
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
2:10 pm - 1:35 pm
SEA
-
WAW
14h 25m
1 stop
Multiple Airlines Logo
8:25 am - 7:00 pm
WAW
-
SEA
19h 35m
2 stops
$508Multiple Airlines
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
10:20 am - 4:20 pm
SEA
-
WAW
21h 00m
2 stops
Multiple Airlines Logo
6:45 am - 12:20 pm
WAW
-
SEA
14h 35m
1 stop
$527Multiple Airlines
Tue, Apr 21 - Wed, Apr 29
Lufthansa Logo
2:10 pm - 6:25 pm
SEA
-
WAW
19h 15m
1 stop
Lufthansa Logo
6:45 am - 12:20 pm
WAW
-
SEA
14h 35m
1 stop
$530Lufthansa
Tue, Apr 21 - Wed, Apr 29
American Airlines Logo
3:17 pm - 5:25 pm
SEA
-
WAW
17h 08m
2 stops
American Airlines Logo
1:00 pm - 12:30 am
WAW
-
SEA
20h 30m
2 stops
$540American Airlines
Tue, Apr 21 - Wed, Apr 29
Delta Logo
7:15 am - 11:40 am
SEA
-
WAW
19h 25m
2 stops
Delta Logo
6:00 am - 11:45 am
WAW
-
SEA
14h 45m
1 stop
$543Delta
Tue, Apr 7 - Tue, Apr 14
Scandinavian Airlines Logo
7:20 am - 2:25 pm
SEA
-
WAW
22h 05m
2 stops
Scandinavian Airlines Logo
7:55 am - 10:31 pm
WAW
-
SEA
23h 36m
2 stops
$545Scandinavian Airlines
Tue, Mar 31 - Thu, Apr 23
Scandinavian Airlines Logo
7:20 am - 9:35 am
SEA
-
WAW
17h 15m
2 stops
Scandinavian Airlines Logo
10:15 am - 10:05 pm
WAW
-
SEA
20h 50m
2 stops
$553Scandinavian Airlines
Tue, Apr 7 - Tue, Apr 14
KLM Logo
5:35 pm - 6:55 pm
SEA
-
WAW
16h 20m
1 stop
KLM Logo
7:40 pm - 11:45 am
WAW
-
SEA
25h 05m
1 stop
$558KLM
Mon, Apr 6 - Mon, Apr 13
Lufthansa Logo
2:10 pm - 1:35 pm
SEA
-
WAW
14h 25m
1 stop
Lufthansa Logo
6:50 am - 12:20 pm
WAW
-
SEA
14h 30m
1 stop
$560Lufthansa
Tue, Apr 7 - Tue, Apr 14

Scandinavian Airlines flights from Seattle to Warsaw

Our best Scandinavian Airlines deals on Seattle to Warsaw flight tickets
Scandinavian Airlines
Mar 31
SEA7:20 amSeattle/Tacoma Intl
22h 05m
2 stops
WAW2:25 pmWarsaw Frederic Chopin
Apr 23
WAW7:55 amWarsaw Frederic Chopin
23h 36m
2 stops
SEA10:31 pmSeattle/Tacoma Intl
$545
Scandinavian Airlines
Apr 7
SEA7:20 amSeattle/Tacoma Intl
17h 15m
2 stops
WAW9:35 amWarsaw Frederic Chopin
Apr 14
WAW10:15 amWarsaw Frederic Chopin
20h 50m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
$553
Scandinavian Airlines
May 9
SEA7:15 amSeattle/Tacoma Intl
20h 30m
2 stops
WAW12:45 pmWarsaw Frederic Chopin
May 10
WAW7:45 pmWarsaw Frederic Chopin
37h 10m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$575

United Airlines flights from Seattle to Warsaw

Our best United Airlines deals on Seattle to Warsaw flight tickets
United Airlines
Apr 1
SEA7:00 amSeattle/Tacoma Intl
25h 15m
2 stops
WAW5:15 pmWarsaw Frederic Chopin
Apr 21
WAW2:15 pmWarsaw Frederic Chopin
40h 38m
2 stops
SEA9:53 pmSeattle/Tacoma Intl
$605
United Airlines
Mar 30
SEA7:00 amSeattle/Tacoma Intl
25h 15m
2 stops
WAW5:15 pmWarsaw Frederic Chopin
Apr 22
WAW6:45 amWarsaw Frederic Chopin
24h 08m
2 stops
SEA9:53 pmSeattle/Tacoma Intl
$606
United Airlines
Apr 1
SEA7:00 amSeattle/Tacoma Intl
25h 15m
2 stops
WAW5:15 pmWarsaw Frederic Chopin
Apr 24
WAW6:25 amWarsaw Frederic Chopin
21h 35m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
$607

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 23, 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

Mon 4/13

2:10 pm-6:20 pm

1 stop19h 10m

Warsaw Frederic Chopin

Tue 4/28

6:50 am-12:20 pm

1 stop14h 30m

$503

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 4/13

2:10 pm-1:35 pm

1 stop14h 25m

Warsaw Frederic Chopin

Tue 4/28

8:25 am-7:00 pm

2 stops19h 35m

$508

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/21

10:20 am-4:20 pm

2 stops21h 00m

Warsaw Frederic Chopin

Wed 4/29

6:45 am-12:20 pm

1 stop14h 35m

$527

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/21

2:10 pm-6:25 pm

1 stop19h 15m

Warsaw Frederic Chopin

Wed 4/29

6:45 am-12:20 pm

1 stop14h 35m

$530

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/21

3:17 pm-5:25 pm

2 stops17h 08m

Warsaw Frederic Chopin

Wed 4/29

1:00 pm-12:30 am

2 stops20h 30m

$540

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/7

7:15 am-11:40 am

2 stops19h 25m

Warsaw Frederic Chopin

Tue 4/14

6:00 am-11:45 am

1 stop14h 45m

$543

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 3/31

7:20 am-2:25 pm

2 stops22h 05m

Warsaw Frederic Chopin

Thu 4/23

7:55 am-10:31 pm

2 stops23h 36m

$545

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/7

7:20 am-9:35 am

2 stops17h 15m

Warsaw Frederic Chopin

Tue 4/14

10:15 am-10:05 pm

2 stops20h 50m

$553

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 4/6

5:35 pm-6:55 pm

1 stop16h 20m

Warsaw Frederic Chopin

Mon 4/13

7:40 pm-11:45 am

1 stop25h 05m

$558

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 4/7

2:10 pm-1:35 pm

1 stop14h 25m

Warsaw Frederic Chopin

Tue 4/14

6:50 am-12:20 pm

1 stop14h 30m

$560

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 $513, 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 $742 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

15h 25m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 15h 25m
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 15h 25m.

  • 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
9,342 reviews
Search United Airlines flights
FinnairPriceFrom $397Free CancellationRating
7.6
1,365 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,759 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $450Free CancellationRating
7.3
1,697 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $537Free CancellationRating
6.8
7,803 reviews
Search Lufthansa flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,341 reviews
Search American Airlines flights
DeltaPriceFrom $653Free CancellationRating
7.9
8,234 reviews
Search Delta flights
KLMPriceFrom $684Free CancellationRating
7.7
1,458 reviews
Search KLM 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