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Cheap flights from Seattle to Warsaw from $306

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 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
$580Scandinavian Airlines
Sun, Sep 13 - Thu, Oct 1
Scandinavian Airlines Logo
3:55 pm - 2:25 pm
SEA
-
WAW
13h 30m
1 stop
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$603Scandinavian Airlines
Fri, Sep 11 - Sat, Oct 3
Scandinavian Airlines Logo
3:55 pm - 7:05 pm
SEA
-
WAW
18h 10m
1 stop
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$606Scandinavian Airlines
Fri, Aug 21 - Thu, Sep 3
Scandinavian Airlines Logo
3:55 pm - 7:05 pm
SEA
-
WAW
18h 10m
1 stop
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$609Scandinavian Airlines
Fri, Aug 21 - Fri, Sep 4
Scandinavian Airlines Logo
3:55 pm - 2:25 pm
SEA
-
WAW
13h 30m
1 stop
Scandinavian Airlines Logo
4:50 pm - 1:45 pm
WAW
-
SEA
53h 55m
2 stops
$612Scandinavian Airlines
Sun, Sep 13 - Wed, Sep 30
Scandinavian Airlines Logo
3:55 pm - 2:25 pm
SEA
-
WAW
13h 30m
1 stop
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$615Scandinavian Airlines
Tue, Sep 1 - Fri, Sep 18
Scandinavian Airlines Logo
3:55 pm - 2:25 pm
SEA
-
WAW
13h 30m
1 stop
Scandinavian Airlines Logo
7:55 am - 1:45 pm
WAW
-
SEA
38h 50m
2 stops
$628Scandinavian Airlines
Sun, Sep 13 - Sat, Oct 3
Scandinavian Airlines Logo
3:55 pm - 7:05 pm
SEA
-
WAW
18h 10m
1 stop
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$631Scandinavian Airlines
Sun, Aug 30 - Fri, Oct 2
Multiple Airlines Logo
7:00 pm - 10:10 am
SEA
-
WAW
30h 10m
2 stops
Multiple Airlines Logo
6:40 am - 8:40 pm
WAW
-
SEA
23h 00m
2 stops
$635Multiple Airlines
Fri, Aug 21 - Thu, Sep 3
Multiple Airlines Logo
9:40 pm - 11:35 am
SEA
-
WMI
28h 55m
1 stop
Multiple Airlines Logo
10:45 pm - 4:00 pm
WMI
-
SEA
26h 15m
2 stops
$851Multiple Airlines
Fri, Aug 21 - Thu, Sep 3

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Scandinavian Airlines flights from Seattle to Warsaw

Our best Scandinavian Airlines deals on Seattle to Warsaw flight tickets
Scandinavian Airlines
Sep 13
SEA3:55 pmSeattle/Tacoma Intl
32h 40m
1 stop
WAW9:35 amWarsaw Frederic Chopin
Oct 1
WAW7:45 pmWarsaw Frederic Chopin
27h 00m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$580
Scandinavian Airlines
Sep 11
SEA3:55 pmSeattle/Tacoma Intl
13h 30m
1 stop
WAW2:25 pmWarsaw Frederic Chopin
Oct 3
WAW7:45 pmWarsaw Frederic Chopin
27h 00m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$603
Scandinavian Airlines
Aug 21
SEA3:55 pmSeattle/Tacoma Intl
18h 10m
1 stop
WAW7:05 pmWarsaw Frederic Chopin
Sep 3
WAW7:45 pmWarsaw Frederic Chopin
27h 00m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$606

Delta flights from Seattle to Warsaw

Our best Delta deals on Seattle to Warsaw flight tickets
Delta
Jul 21
SEA1:30 pmSeattle/Tacoma Intl
17h 05m
1 stop
WAW3:35 pmWarsaw Frederic Chopin
Sep 9
WAW6:00 amWarsaw Frederic Chopin
14h 47m
1 stop
SEA11:47 amSeattle/Tacoma Intl
$937
Delta
Jul 20
SEA1:30 pmSeattle/Tacoma Intl
13h 05m
1 stop
WAW11:35 amWarsaw Frederic Chopin
Aug 14
WAW6:05 amWarsaw Frederic Chopin
14h 10m
1 stop
SEA11:15 amSeattle/Tacoma Intl
$945

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 July 8, 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

Sun 9/13

3:55 pm-9:35 am

1 stop32h 40m

Warsaw Frederic Chopin

Thu 10/1

7:45 pm-1:45 pm

1 stop27h 00m

$580
Quickest round-trip

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 9/11

3:55 pm-2:25 pm

1 stop13h 30m

Warsaw Frederic Chopin

Sat 10/3

7:45 pm-1:45 pm

1 stop27h 00m

$603

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 8/21

3:55 pm-7:05 pm

1 stop18h 10m

Warsaw Frederic Chopin

Thu 9/3

7:45 pm-1:45 pm

1 stop27h 00m

$606

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 8/21

3:55 pm-7:05 pm

1 stop18h 10m

Warsaw Frederic Chopin

Fri 9/4

7:45 pm-1:45 pm

1 stop27h 00m

$609

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 9/13

3:55 pm-2:25 pm

1 stop13h 30m

Warsaw Frederic Chopin

Wed 9/30

4:50 pm-1:45 pm

2 stops53h 55m

$612

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 9/1

3:55 pm-2:25 pm

1 stop13h 30m

Warsaw Frederic Chopin

Fri 9/18

7:45 pm-1:45 pm

1 stop27h 00m

$615

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 9/13

3:55 pm-2:25 pm

1 stop13h 30m

Warsaw Frederic Chopin

Sat 10/3

7:55 am-1:45 pm

2 stops38h 50m

$628

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 8/30

3:55 pm-7:05 pm

1 stop18h 10m

Warsaw Frederic Chopin

Fri 10/2

7:45 pm-1:45 pm

1 stop27h 00m

$631

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 8/21

7:00 pm-10:10 am

2 stops30h 10m

Warsaw Frederic Chopin

Thu 9/3

6:40 am-8:40 pm

2 stops23h 00m

$635

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Fri 8/21

9:40 pm-11:35 am

1 stop28h 55m

Warsaw Modlin

Thu 9/3

10:45 pm-4:00 pm

2 stops26h 15m

$851

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 $733 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 $676 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
9,945 reviews
Search United Airlines flights
FinnairPriceFrom $397Free CancellationRating
7.6
1,419 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
8,103 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $457Free CancellationRating
7.4
1,871 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $536Free CancellationRating
6.8
8,124 reviews
Search Lufthansa flights
KLMPriceFrom $537Free CancellationRating
7.8
1,534 reviews
Search KLM flights
DeltaPriceFrom $540Free CancellationRating
7.8
8,451 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