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Cheap flights from Seattle to Warsaw from $245

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 4/15. 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.
Scandinavian Airlines Logo
3:55 pm - 9:35 am
SEA
-
WAW
32h 40m
1 stop
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$449Scandinavian Airlines
Fri, May 22 - Mon, May 25
Scandinavian Airlines Logo
3:55 pm - 9:35 am
SEA
-
WAW
32h 40m
1 stop
Scandinavian Airlines Logo
7:55 am - 10:16 pm
WAW
-
SEA
23h 21m
2 stops
$486Scandinavian Airlines
Sun, Aug 16 - Wed, Sep 2
Scandinavian Airlines Logo
3:55 pm - 9:35 am
SEA
-
WAW
32h 40m
1 stop
Scandinavian Airlines Logo
4:50 pm - 10:12 pm
WAW
-
SEA
38h 22m
2 stops
$496Scandinavian Airlines
Tue, Sep 1 - Thu, Oct 22
Scandinavian Airlines Logo
3:55 pm - 9:35 am
SEA
-
WAW
32h 40m
1 stop
Scandinavian Airlines Logo
8:35 pm - 1:45 pm
WAW
-
SEA
50h 10m
2 stops
$497Scandinavian Airlines
Tue, Sep 1 - Wed, Sep 9
Scandinavian Airlines Logo
3:55 pm - 12:15 pm
SEA
-
WAW
35h 20m
2 stops
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$500Scandinavian Airlines
Fri, May 22 - Mon, May 25
Scandinavian Airlines Logo
3:55 pm - 12:15 pm
SEA
-
WAW
35h 20m
2 stops
Scandinavian Airlines Logo
10:30 am - 1:45 pm
WAW
-
SEA
36h 15m
2 stops
$523Scandinavian Airlines
Fri, May 22 - Mon, May 25
Scandinavian Airlines Logo
3:55 pm - 9:15 am
SEA
-
WAW
32h 20m
2 stops
Scandinavian Airlines Logo
8:35 pm - 1:45 pm
WAW
-
SEA
50h 10m
2 stops
$535Scandinavian Airlines
Sun, Aug 16 - Wed, Sep 2
Scandinavian Airlines Logo
7:15 am - 9:35 am
SEA
-
WAW
41h 20m
2 stops
Scandinavian Airlines Logo
7:55 am - 10:23 pm
WAW
-
SEA
23h 28m
2 stops
$545Scandinavian Airlines
Mon, Apr 20 - Wed, Apr 29
Lufthansa Logo
6:50 pm - 4:20 pm
SEA
-
WAW
12h 30m
1 stop
Lufthansa Logo
6:40 am - 12:20 pm
WAW
-
SEA
14h 40m
1 stop
$558Lufthansa
Tue, Sep 1 - Thu, Oct 22
Multiple Airlines Logo
11:25 pm - 12:50 am
SEA
-
WMI
40h 25m
2 stops
Multiple Airlines Logo
9:40 pm - 1:45 pm
WMI
-
SEA
25h 05m
1 stop
$871Multiple Airlines
Thu, May 21 - Mon, Jun 1

Lufthansa flights from Seattle to Warsaw

Our best Lufthansa deals on Seattle to Warsaw flight tickets
Lufthansa
Sep 1
SEA6:50 pmSeattle/Tacoma Intl
12h 30m
1 stop
WAW4:20 pmWarsaw Frederic Chopin
Oct 22
WAW6:40 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$558
Lufthansa
Jul 14
SEA6:50 pmSeattle/Tacoma Intl
18h 15m
1 stop
WAW10:05 pmWarsaw Frederic Chopin
Aug 25
WAW6:00 amWarsaw Frederic Chopin
19h 59m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$571
Lufthansa
Jul 29
SEA2:10 pmSeattle/Tacoma Intl
23h 10m
1 stop
WAW10:20 pmWarsaw Frederic Chopin
Aug 14
WAW6:00 amWarsaw Frederic Chopin
19h 59m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$604

Finnair flights from Seattle to Warsaw

Our best Finnair deals on Seattle to Warsaw flight tickets
Finnair
Jul 14
SEA1:35 pmSeattle/Tacoma Intl
33h 35m
2 stops
WAW8:10 amWarsaw Frederic Chopin
Aug 25
WAW8:55 amWarsaw Frederic Chopin
19h 21m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$579
Finnair
Apr 12
SEA8:20 pmSeattle/Tacoma Intl
30h 55m
2 stops
WAW12:15 pmWarsaw Frederic Chopin
Apr 28
WAW1:00 pmWarsaw Frederic Chopin
12h 00m
1 stop
SEA4:00 pmSeattle/Tacoma Intl
$607
Finnair
Apr 12
SEA8:20 pmSeattle/Tacoma Intl
26h 50m
2 stops
WAW8:10 amWarsaw Frederic Chopin
Apr 28
WAW8:55 amWarsaw Frederic Chopin
19h 41m
2 stops
SEA7:36 pmSeattle/Tacoma Intl
$623

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 March 5, 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

Cheapest round-trip

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 5/22

3:55 pm-9:35 am

1 stop32h 40m

Warsaw Frederic Chopin

Mon 5/25

7:45 pm-1:45 pm

1 stop27h 00m

$449

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 8/16

3:55 pm-9:35 am

1 stop32h 40m

Warsaw Frederic Chopin

Wed 9/2

7:55 am-10:16 pm

2 stops23h 21m

$486

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 9/1

3:55 pm-9:35 am

1 stop32h 40m

Warsaw Frederic Chopin

Thu 10/22

4:50 pm-10:12 pm

2 stops38h 22m

$496

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 9/1

3:55 pm-9:35 am

1 stop32h 40m

Warsaw Frederic Chopin

Wed 9/9

8:35 pm-1:45 pm

2 stops50h 10m

$497

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 5/22

3:55 pm-12:15 pm

2 stops35h 20m

Warsaw Frederic Chopin

Mon 5/25

7:45 pm-1:45 pm

1 stop27h 00m

$500

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 5/22

3:55 pm-12:15 pm

2 stops35h 20m

Warsaw Frederic Chopin

Mon 5/25

10:30 am-1:45 pm

2 stops36h 15m

$523

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 8/16

3:55 pm-9:15 am

2 stops32h 20m

Warsaw Frederic Chopin

Wed 9/2

8:35 pm-1:45 pm

2 stops50h 10m

$535

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 4/20

7:15 am-9:35 am

2 stops41h 20m

Warsaw Frederic Chopin

Wed 4/29

7:55 am-10:23 pm

2 stops23h 28m

$545
Quickest round-trip

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 9/1

6:50 pm-4:20 pm

1 stop12h 30m

Warsaw Frederic Chopin

Thu 10/22

6:40 am-12:20 pm

1 stop14h 40m

$558

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Thu 5/21

11:25 pm-12:50 am

2 stops40h 25m

Warsaw Modlin

Mon 6/1

9:40 pm-1:45 pm

1 stop25h 05m

$871

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 $738 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 00m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 12h 00m
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 00m.

  • 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
9,388 reviews
Search United Airlines flights
FinnairPriceFrom $397Free CancellationRating
7.6
1,370 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,775 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $450Free CancellationRating
7.3
1,703 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,826 reviews
Search Lufthansa flights
DeltaPriceFrom $574Free CancellationRating
7.9
8,250 reviews
Search Delta flights
American AirlinesPriceFrom $589Free CancellationRating
7.1
11,382 reviews
Search American Airlines flights
KLMPriceFrom $684Free CancellationRating
7.7
1,465 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