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Cheap flights from Seattle to Warsaw from $265

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 7/25. 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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Find the cheapest flights from Seattle to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
3:30 pm - 2:05 pm
SEA
-
WAW
37h 35m
2 stops
SWISS Logo
2:50 pm - 6:32 pm
WAW
-
SEA
36h 42m
2 stops
$858SWISS
Fri, Sep 18 - Tue, Sep 29
United Airlines Logo
5:45 am - 1:30 pm
SEA
-
WAW
22h 45m
2 stops
United Airlines Logo
6:40 am - 11:55 am
WAW
-
SEA
14h 15m
1 stop
$859United Airlines
Tue, Jul 21 - Thu, Aug 13
Scandinavian Airlines Logo
10:35 am - 8:50 pm
SEA
-
WAW
25h 15m
2 stops
Scandinavian Airlines Logo
10:15 am - 1:45 pm
WAW
-
SEA
12h 30m
1 stop
$861Scandinavian Airlines
Sat, Aug 15 - Sun, Sep 6
Lufthansa Logo
6:50 pm - 10:05 pm
SEA
-
WAW
18h 15m
1 stop
Lufthansa Logo
5:05 pm - 4:59 pm
WAW
-
SEA
32h 54m
1 stop
$862Lufthansa
Fri, Oct 2 - Mon, Oct 12
Scandinavian Airlines Logo
3:55 pm - 7:05 pm
SEA
-
WAW
18h 10m
1 stop
Scandinavian Airlines Logo
3:05 pm - 1:45 pm
WAW
-
SEA
31h 40m
1 stop
$863Scandinavian Airlines
Sun, Aug 9 - Sat, Sep 12
Lufthansa Logo
6:50 pm - 4:20 pm
SEA
-
WAW
12h 30m
1 stop
Lufthansa Logo
6:25 am - 11:55 am
WAW
-
SEA
14h 30m
1 stop
$865Lufthansa
Sat, Aug 1 - Fri, Aug 28
United Airlines Logo
6:50 pm - 10:05 pm
SEA
-
WAW
18h 15m
1 stop
United Airlines Logo
9:40 am - 11:55 am
WAW
-
SEA
35h 15m
1 stop
$866United Airlines
Wed, Jul 22 - Wed, Aug 12
Turkish Airlines Logo
7:15 pm - 9:10 am
SEA
-
WAW
28h 55m
1 stop
Turkish Airlines Logo
10:05 am - 5:20 pm
WAW
-
SEA
16h 15m
1 stop
$873Turkish Airlines
Thu, Oct 1 - Sat, Oct 17
Multiple Airlines Logo
5:40 pm - 10:55 am
SEA
-
WMI
32h 15m
1 stop
Multiple Airlines Logo
10:45 pm - 4:00 pm
WMI
-
SEA
26h 15m
2 stops
$904Multiple Airlines
Fri, Jul 17 - Thu, Aug 27
Multiple Airlines Logo
9:45 pm - 10:15 am
SEA
-
WMI
27h 30m
1 stop
Multiple Airlines Logo
10:45 pm - 4:00 pm
WMI
-
SEA
26h 15m
2 stops
$908Multiple Airlines
Sun, Jun 28 - Thu, Sep 24

Turkish Airlines flights from Seattle to Warsaw

Our best Turkish Airlines deals on Seattle to Warsaw flight tickets
Turkish Airlines
Jun 1
SEA7:10 pmSeattle/Tacoma Intl
29h 00m
1 stop
WAW9:10 amWarsaw Frederic Chopin
Jun 16
WAW10:05 amWarsaw Frederic Chopin
16h 15m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$861
Turkish Airlines
Jun 4
SEA7:10 pmSeattle/Tacoma Intl
29h 00m
1 stop
WAW9:10 amWarsaw Frederic Chopin
Jun 17
WAW7:20 pmWarsaw Frederic Chopin
31h 00m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$867
Turkish Airlines
Oct 1
SEA7:15 pmSeattle/Tacoma Intl
28h 55m
1 stop
WAW9:10 amWarsaw Frederic Chopin
Oct 17
WAW10:05 amWarsaw Frederic Chopin
16h 15m
1 stop
SEA5:20 pmSeattle/Tacoma Intl
$873

SWISS flights from Seattle to Warsaw

Our best SWISS deals on Seattle to Warsaw flight tickets
SWISS
Sep 18
SEA3:30 pmSeattle/Tacoma Intl
37h 35m
2 stops
WAW2:05 pmWarsaw Frederic Chopin
Sep 29
WAW2:50 pmWarsaw Frederic Chopin
36h 42m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$858
SWISS
Sep 15
SEA3:30 pmSeattle/Tacoma Intl
37h 35m
2 stops
WAW2:05 pmWarsaw Frederic Chopin
Sep 26
WAW2:50 pmWarsaw Frederic Chopin
41h 06m
2 stops
SEA10:56 pmSeattle/Tacoma Intl
$868
SWISS
Sep 9
SEA3:30 pmSeattle/Tacoma Intl
18h 25m
2 stops
WAW6:55 pmWarsaw Frederic Chopin
Sep 26
WAW2:50 pmWarsaw Frederic Chopin
41h 06m
2 stops
SEA10:56 pmSeattle/Tacoma Intl
$881

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 May 26, 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 9/18

3:30 pm-2:05 pm

2 stops37h 35m

Warsaw Frederic Chopin

Tue 9/29

2:50 pm-6:32 pm

2 stops36h 42m

$858

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 7/21

5:45 am-1:30 pm

2 stops22h 45m

Warsaw Frederic Chopin

Thu 8/13

6:40 am-11:55 am

1 stop14h 15m

$859

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 8/15

10:35 am-8:50 pm

2 stops25h 15m

Warsaw Frederic Chopin

Sun 9/6

10:15 am-1:45 pm

1 stop12h 30m

$861

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 10/2

6:50 pm-10:05 pm

1 stop18h 15m

Warsaw Frederic Chopin

Mon 10/12

5:05 pm-4:59 pm

1 stop32h 54m

$862

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 8/9

3:55 pm-7:05 pm

1 stop18h 10m

Warsaw Frederic Chopin

Sat 9/12

3:05 pm-1:45 pm

1 stop31h 40m

$863
Quickest round-trip

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 8/1

6:50 pm-4:20 pm

1 stop12h 30m

Warsaw Frederic Chopin

Fri 8/28

6:25 am-11:55 am

1 stop14h 30m

$865

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 7/22

6:50 pm-10:05 pm

1 stop18h 15m

Warsaw Frederic Chopin

Wed 8/12

9:40 am-11:55 am

1 stop35h 15m

$866

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Thu 10/1

7:15 pm-9:10 am

1 stop28h 55m

Warsaw Frederic Chopin

Sat 10/17

10:05 am-5:20 pm

1 stop16h 15m

$873

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Fri 7/17

5:40 pm-10:55 am

1 stop32h 15m

Warsaw Modlin

Thu 8/27

10:45 pm-4:00 pm

2 stops26h 15m

$904

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Sun 6/28

9:45 pm-10:15 am

1 stop27h 30m

Warsaw Modlin

Thu 9/24

10:45 pm-4:00 pm

2 stops26h 15m

$908

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 typical price of a round-trip flight between Seattle and Warsaw?

What is the cheapest month to fly to Warsaw?

The cheapest month to fly to Warsaw from Seattle is in February. Flight prices, which tend to average around $358, are often lower during this time because this is during the off-season. If you are unable to visit Warsaw during the month of February, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around $388.

How far in advance should I book a flight from Seattle 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 $726 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 $625 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

13h 30m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 13h 30m
There are no direct flights from Seattle to Warsaw. There are no popular flight routes from Seattle to Warsaw.
Search flight deals

Frequently asked questions about flying from Seattle to Warsaw

  • 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 13h 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
9,749 reviews
Search United Airlines flights
FinnairPriceFrom $397Free CancellationRating
7.7
1,399 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
8,005 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $452Free CancellationRating
7.4
1,791 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $536Free CancellationRating
6.8
8,029 reviews
Search Lufthansa flights
DeltaPriceFrom $540Free CancellationRating
7.9
8,425 reviews
Search Delta flights
KLMPriceFrom $627Free CancellationRating
7.8
1,521 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