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Cheap flights from Seattle to Warsaw from $379

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 10/5. 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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Cheap round-trip flights

Scandinavian Airlines Logo
4:20 pm - 6:25 pmSEA-WAW
17h 05m1 stop
Scandinavian Airlines Logo
10:15 am - 2:00 pmWAW-SEA
12h 45m1 stop
$409Scandinavian Airlines
Find Deal
Fri, Oct 17 - Wed, Oct 22
Scandinavian Airlines Logo
4:20 pm - 9:35 amSEA-WAW
32h 15m1 stop
Scandinavian Airlines Logo
7:05 pm - 2:00 pmWAW-SEA
27h 55m1 stop
$432Scandinavian Airlines
Find Deal
Fri, Sep 26 - Sat, Oct 4
Finnair Logo
6:05 am - 6:35 pmSEA-WAW
27h 30m2 stops
Finnair Logo
8:50 am - 10:24 pmWAW-SEA
22h 34m2 stops
$439Finnair
Find Deal
Tue, Nov 11 - Thu, Nov 20
Scandinavian Airlines Logo
4:00 pm - 6:25 pmSEA-WAW
17h 25m1 stop
Scandinavian Airlines Logo
10:15 am - 2:00 pmWAW-SEA
12h 45m1 stop
$442Scandinavian Airlines
Find Deal
Fri, Sep 5 - Fri, Sep 26
British Airways Logo
6:50 pm - 9:30 pmSEA-WAW
17h 40m1 stop
British Airways Logo
4:25 pm - 11:30 amWAW-SEA
28h 05m1 stop
$451British Airways
Find Deal
Sun, Nov 9 - Mon, Nov 17
British Airways Logo
6:50 pm - 11:35 amSEA-WAW
31h 45m1 stop
British Airways Logo
4:25 pm - 4:55 pmWAW-SEA
33h 30m1 stop
$452British Airways
Find Deal
Tue, Dec 2 - Mon, Dec 15
Finnair Logo
6:50 pm - 8:05 amSEA-WAW
28h 15m2 stops
Finnair Logo
8:50 am - 10:31 pmWAW-SEA
22h 41m2 stops
$502Finnair
Find Deal
Fri, Dec 5 - Tue, Dec 16
Logo
11:34 am - 3:30 pmSEA-WAW
18h 56m2 stops
Logo
7:15 am - 7:05 pmWAW-SEA
20h 50m2 stops
$514
Find Deal
Sun, Nov 9 - Mon, Nov 17
United Airlines Logo
3:10 pm - 12:55 pmSEA-WAW
12h 45m1 stop
United Airlines Logo
2:35 pm - 12:10 pmWAW-SEA
30h 35m1 stop
$524United Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
Logo
10:05 am - 1:40 pmSEA-WAW
18h 35m2 stops
Logo
6:30 pm - 12:10 pmWAW-SEA
26h 40m1 stop
$528
Find Deal
Wed, Nov 26 - Mon, Dec 1

British Airways flights from Seattle to Warsaw

Our best British Airways deals on Seattle to Warsaw flight tickets
British Airways
Nov 9
SEA6:50 pmSeattle/Tacoma Intl
17h 40m
1 stop
WAW9:30 pmWarsaw Frederic Chopin
Nov 17
WAW4:25 pmWarsaw Frederic Chopin
28h 05m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$451
Find similar
British Airways
Dec 2
SEA6:50 pmSeattle/Tacoma Intl
31h 45m
1 stop
WAW11:35 amWarsaw Frederic Chopin
Dec 15
WAW4:25 pmWarsaw Frederic Chopin
33h 30m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$452
Find similar
British Airways
Nov 9
SEA11:34 amSeattle/Tacoma Intl
18h 56m
2 stops
WAW3:30 pmWarsaw Frederic Chopin
Nov 17
WAW7:40 pmWarsaw Frederic Chopin
24h 50m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$456
Find similar

Scandinavian Airlines flights from Seattle to Warsaw

Our best Scandinavian Airlines deals on Seattle to Warsaw flight tickets
Scandinavian Airlines
Oct 17
SEA4:20 pmSeattle/Tacoma Intl
17h 05m
1 stop
WAW6:25 pmWarsaw Frederic Chopin
Oct 22
WAW10:15 amWarsaw Frederic Chopin
12h 45m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$409
Find similar
Scandinavian Airlines
Sep 26
SEA4:20 pmSeattle/Tacoma Intl
32h 15m
1 stop
WAW9:35 amWarsaw Frederic Chopin
Oct 4
WAW7:05 pmWarsaw Frederic Chopin
27h 55m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$432
Find similar
Scandinavian Airlines
Sep 5
SEA4:00 pmSeattle/Tacoma Intl
17h 25m
1 stop
WAW6:25 pmWarsaw Frederic Chopin
Sep 26
WAW10:15 amWarsaw Frederic Chopin
12h 45m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$442
Find similar

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 August 14, 2025.
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

Fri 10/17

4:20 pm-6:25 pm

1 stop17h 05m

Warsaw Frederic Chopin

Wed 10/22

10:15 am-2:00 pm

1 stop12h 45m

$409

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 9/26

4:20 pm-9:35 am

1 stop32h 15m

Warsaw Frederic Chopin

Sat 10/4

7:05 pm-2:00 pm

1 stop27h 55m

$432

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 11/11

6:05 am-6:35 pm

2 stops27h 30m

Warsaw Frederic Chopin

Thu 11/20

8:50 am-10:24 pm

2 stops22h 34m

$439

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 9/5

4:00 pm-6:25 pm

1 stop17h 25m

Warsaw Frederic Chopin

Fri 9/26

10:15 am-2:00 pm

1 stop12h 45m

$442

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 11/9

6:50 pm-9:30 pm

1 stop17h 40m

Warsaw Frederic Chopin

Mon 11/17

4:25 pm-11:30 am

1 stop28h 05m

$451

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 12/2

6:50 pm-11:35 am

1 stop31h 45m

Warsaw Frederic Chopin

Mon 12/15

4:25 pm-4:55 pm

1 stop33h 30m

$452

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 12/5

6:50 pm-8:05 am

2 stops28h 15m

Warsaw Frederic Chopin

Tue 12/16

8:50 am-10:31 pm

2 stops22h 41m

$502

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 11/9

11:34 am-3:30 pm

2 stops18h 56m

Warsaw Frederic Chopin

Mon 11/17

7:15 am-7:05 pm

2 stops20h 50m

$514

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 11/26

3:10 pm-12:55 pm

1 stop12h 45m

Warsaw Frederic Chopin

Mon 12/1

2:35 pm-12:10 pm

1 stop30h 35m

$524

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 11/26

10:05 am-1:40 pm

2 stops18h 35m

Warsaw Frederic Chopin

Mon 12/1

6:30 pm-12:10 pm

1 stop26h 40m

$528

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 September. Flight prices, which tend to average around $527, 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 November is also very affordable. Most momondo users find prices during this month for around $657.

What is the cheapest day to depart on your flight to Warsaw?

The cheapest day to depart from Seattle to Warsaw is on a Tuesday when prices can be found for as low as $922. Flights from Seattle to Warsaw on a Thursday will generally be more expensive and average around $1,129. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Warsaw?

Our most recent data shows that the best time of day to fly to Warsaw is in the evening. Flights from Seattle to Warsaw during this time can be as low as $940. In the afternoon is when there is more demand to fly to Warsaw, so prices are often more expensive at around $1,035 per ticket.

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 $826 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 $659 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

Best Price Found

$379

Fastest flight time

12h 45m

Direct flights

None

Airports in Warsaw

2 airports
The best one-way flight to Warsaw from Seattle in the past 72 hours is $379. The best round-trip flight deal from Seattle to Warsaw found on momondo in the last 72 hours is $409.
The fastest flight from Seattle to Warsaw takes 12h 45m
There are no direct flights from Seattle to Warsaw. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Warsaw Frederic Chopin Airport and Seattle/Tacoma Intl Airport - Warsaw Modlin Airport.
There are 2 airports near Warsaw: Warsaw Modlin (WMI), Warsaw Frederic Chopin (WAW)
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 45m.

  • 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
Scandinavian AirlinesPriceFrom $451Free CancellationRating
7.4
1,468 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $547Free CancellationRating
6.6
7,266 reviews
Search British Airways flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
FinnairPriceFrom $581Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
American AirlinesPriceFrom $584Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $639Free CancellationRating
6.8
7,317 reviews
Search Lufthansa flights
KLMPriceFrom $644Free CancellationRating
7.8
1,381 reviews
Search KLM flights
DeltaPriceFrom $656Free CancellationRating
8.0
7,980 reviews
Search Delta flights
Air FrancePriceFrom $678Free CancellationRating
7.4
1,467 reviews
Search Air France 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