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Cheap flights from Seattle to Warsaw from $278

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 11/3. 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
7:35 am - 7:05 pmSEA-WAW
26h 30m2 stops
Scandinavian Airlines Logo
7:45 pm - 10:05 pmWAW-SEA
35h 20m2 stops
$452Scandinavian Airlines
Find Deal
Mon, Dec 8 - Thu, Jan 29
Scandinavian Airlines Logo
7:35 am - 7:05 pmSEA-WAW
26h 30m2 stops
Scandinavian Airlines Logo
3:00 pm - 10:22 pmWAW-SEA
40h 22m2 stops
$453Scandinavian Airlines
Find Deal
Mon, Dec 8 - Thu, Jan 29
Lufthansa Logo
10:05 am - 10:35 pmSEA-WAW
27h 30m2 stops
Lufthansa Logo
6:40 am - 12:10 pmWAW-SEA
14h 30m1 stop
$487Lufthansa
Find Deal
Wed, Dec 31 - Fri, Jan 9
Lufthansa Logo
3:10 pm - 12:55 pmSEA-WAW
12h 45m1 stop
Lufthansa Logo
6:30 am - 12:10 pmWAW-SEA
14h 40m1 stop
$489Lufthansa
Find Deal
Fri, Nov 28 - Thu, Dec 11
British Airways Logo
6:50 pm - 9:30 pmSEA-WAW
17h 40m1 stop
British Airways Logo
7:20 am - 4:55 pmWAW-SEA
18h 35m1 stop
$522British Airways
Find Deal
Mon, Dec 1 - Sat, Jan 17
British Airways Logo
1:35 pm - 7:05 pmSEA-WAW
20h 30m1 stop
British Airways Logo
6:35 pm - 11:30 amWAW-SEA
25h 55m1 stop
$537British Airways
Find Deal
Sat, Dec 27 - Fri, Jan 9
United Airlines Logo
3:10 pm - 10:30 pmSEA-WAW
22h 20m1 stop
United Airlines Logo
6:30 am - 10:43 pmWAW-SEA
25h 13m3 stops
$541United Airlines
Find Deal
Wed, Dec 3 - Wed, Jan 14
United Airlines Logo
5:30 am - 4:15 pmSEA-WAW
25h 45m2 stops
United Airlines Logo
6:30 am - 12:50 amWAW-SEA
27h 20m3 stops
$542United Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Delta Logo
1:40 pm - 4:30 pmSEA-WAW
17h 50m1 stop
Delta Logo
6:05 am - 5:11 pmWAW-SEA
20h 06m2 stops
$543Delta
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Sat, Nov 29 - Sat, Dec 6
Delta Logo
7:20 am - 12:05 pmSEA-WAW
19h 45m2 stops
Delta Logo
6:05 am - 2:59 pmWAW-SEA
17h 54m2 stops
$547Delta
Find Deal
Fri, Dec 5 - Tue, Dec 16

Lufthansa flights from Seattle to Warsaw

Our best Lufthansa deals on Seattle to Warsaw flight tickets
Lufthansa
Dec 31
SEA10:05 amSeattle/Tacoma Intl
27h 30m
2 stops
WAW10:35 pmWarsaw Frederic Chopin
Jan 9
WAW6:40 amWarsaw Frederic Chopin
14h 30m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$487
Find similar
Lufthansa
Nov 28
SEA3:10 pmSeattle/Tacoma Intl
12h 45m
1 stop
WAW12:55 pmWarsaw Frederic Chopin
Dec 11
WAW6:30 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$489
Find similar
Lufthansa
Dec 31
SEA3:10 pmSeattle/Tacoma Intl
22h 20m
1 stop
WAW10:30 pmWarsaw Frederic Chopin
Jan 9
WAW6:40 amWarsaw Frederic Chopin
14h 30m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$490
Find similar

British Airways flights from Seattle to Warsaw

Our best British Airways deals on Seattle to Warsaw flight tickets
British Airways
Dec 1
SEA6:50 pmSeattle/Tacoma Intl
17h 40m
1 stop
WAW9:30 pmWarsaw Frederic Chopin
Jan 17
WAW7:20 amWarsaw Frederic Chopin
18h 35m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$522
Find similar
British Airways
Dec 27
SEA1:35 pmSeattle/Tacoma Intl
20h 30m
1 stop
WAW7:05 pmWarsaw Frederic Chopin
Jan 9
WAW6:35 pmWarsaw Frederic Chopin
25h 55m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$537
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 October 23, 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

Mon 12/8

7:35 am-7:05 pm

2 stops26h 30m

Warsaw Frederic Chopin

Thu 1/29

7:45 pm-10:05 pm

2 stops35h 20m

$452

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 12/8

7:35 am-7:05 pm

2 stops26h 30m

Warsaw Frederic Chopin

Thu 1/29

3:00 pm-10:22 pm

2 stops40h 22m

$453

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 12/31

10:05 am-10:35 pm

2 stops27h 30m

Warsaw Frederic Chopin

Fri 1/9

6:40 am-12:10 pm

1 stop14h 30m

$487

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 11/28

3:10 pm-12:55 pm

1 stop12h 45m

Warsaw Frederic Chopin

Thu 12/11

6:30 am-12:10 pm

1 stop14h 40m

$489

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 12/1

6:50 pm-9:30 pm

1 stop17h 40m

Warsaw Frederic Chopin

Sat 1/17

7:20 am-4:55 pm

1 stop18h 35m

$522

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 12/27

1:35 pm-7:05 pm

1 stop20h 30m

Warsaw Frederic Chopin

Fri 1/9

6:35 pm-11:30 am

1 stop25h 55m

$537

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 12/3

3:10 pm-10:30 pm

1 stop22h 20m

Warsaw Frederic Chopin

Wed 1/14

6:30 am-10:43 pm

3 stops25h 13m

$541

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 12/3

5:30 am-4:15 pm

2 stops25h 45m

Warsaw Frederic Chopin

Wed 12/10

6:30 am-12:50 am

3 stops27h 20m

$542

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 11/29

1:40 pm-4:30 pm

1 stop17h 50m

Warsaw Frederic Chopin

Sat 12/6

6:05 am-5:11 pm

2 stops20h 06m

$543

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 12/5

7:20 am-12:05 pm

2 stops19h 45m

Warsaw Frederic Chopin

Tue 12/16

6:05 am-2:59 pm

2 stops17h 54m

$547

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 $535, 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 $611.

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 $799 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 $549 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

Direct flights

None
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 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
FinnairPriceFrom $397Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,467 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $452Free CancellationRating
7.4
1,535 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
LufthansaPriceFrom $575Free CancellationRating
6.8
7,514 reviews
Search Lufthansa flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
KLMPriceFrom $650Free CancellationRating
7.7
1,404 reviews
Search KLM flights
Air FrancePriceFrom $678Free CancellationRating
7.4
1,477 reviews
Search Air France flights
DeltaPriceFrom $682Free CancellationRating
7.9
7,981 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