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Cheap flights from Seattle to Warsaw from $263

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 10/21. 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

Scandinavian Airlines Logo
1:40 pm - 6:45 pmSEA-WAW
20h 05m2 stops
Scandinavian Airlines Logo
10:15 am - 2:00 pmWAW-SEA
12h 45m1 stop
$394Scandinavian Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 24
Scandinavian Airlines Logo
1:40 pm - 9:35 amSEA-WAW
34h 55m2 stops
Scandinavian Airlines Logo
10:15 am - 2:00 pmWAW-SEA
12h 45m1 stop
$399Scandinavian Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 24
Scandinavian Airlines Logo
7:55 pm - 6:45 pmSEA-WAW
37h 50m2 stops
Scandinavian Airlines Logo
10:15 am - 2:00 pmWAW-SEA
12h 45m1 stop
$410Scandinavian Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 22
Scandinavian Airlines Logo
7:10 am - 6:45 pmSEA-WAW
26h 35m2 stops
Scandinavian Airlines Logo
7:35 pm - 2:00 pmWAW-SEA
27h 25m1 stop
$429Scandinavian Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 21
Lufthansa Logo
3:10 pm - 10:30 pmSEA-WAW
22h 20m1 stop
Lufthansa Logo
6:30 am - 12:10 pmWAW-SEA
14h 40m1 stop
$525Lufthansa
Find Deal
Sun, Feb 1 - Thu, Feb 19
British Airways Logo
6:50 pm - 9:30 pmSEA-WAW
17h 40m1 stop
British Airways Logo
8:50 am - 11:11 pmWAW-SEA
23h 21m2 stops
$545British Airways
Find Deal
Mon, Dec 8 - Thu, Jan 29
Lufthansa Logo
3:10 pm - 12:55 pmSEA-WAW
12h 45m1 stop
Lufthansa Logo
6:30 am - 12:10 pmWAW-SEA
14h 40m1 stop
$550Lufthansa
Find Deal
Sun, Dec 28 - Fri, Jan 9
American Airlines Logo
11:34 am - 3:30 pmSEA-WAW
18h 56m2 stops
American Airlines Logo
8:50 am - 11:05 pmWAW-SEA
23h 15m2 stops
$551American Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 13
British Airways Logo
6:50 pm - 11:50 amSEA-WAW
32h 00m1 stop
British Airways Logo
7:00 am - 4:55 pmWAW-SEA
18h 55m1 stop
$552British Airways
Find Deal
Mon, Dec 8 - Thu, Jan 29
United Airlines Logo
7:00 am - 12:55 pmSEA-WAW
20h 55m2 stops
United Airlines Logo
6:30 am - 12:59 amWAW-SEA
27h 29m2 stops
$561United Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 13

Scandinavian Airlines flights from Seattle to Warsaw

Our best Scandinavian Airlines deals on Seattle to Warsaw flight tickets
Scandinavian Airlines
Oct 14
SEA1:40 pmSeattle/Tacoma Intl
20h 05m
2 stops
WAW6:45 pmWarsaw Frederic Chopin
Oct 24
WAW10:15 amWarsaw Frederic Chopin
12h 45m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$394
Find similar
Scandinavian Airlines
Oct 14
SEA1:40 pmSeattle/Tacoma Intl
34h 55m
2 stops
WAW9:35 amWarsaw Frederic Chopin
Oct 24
WAW10:15 amWarsaw Frederic Chopin
12h 45m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$399
Find similar
Scandinavian Airlines
Oct 1
SEA7:55 pmSeattle/Tacoma Intl
37h 50m
2 stops
WAW6:45 pmWarsaw Frederic Chopin
Oct 22
WAW10:15 amWarsaw Frederic Chopin
12h 45m
1 stop
SEA2:00 pmSeattle/Tacoma Intl
$410
Find similar

Lufthansa flights from Seattle to Warsaw

Our best Lufthansa deals on Seattle to Warsaw flight tickets
Lufthansa
Feb 1
SEA3:10 pmSeattle/Tacoma Intl
22h 20m
1 stop
WAW10:30 pmWarsaw Frederic Chopin
Feb 19
WAW6:30 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$525
Find similar
Lufthansa
Dec 28
SEA3:10 pmSeattle/Tacoma Intl
12h 45m
1 stop
WAW12:55 pmWarsaw Frederic Chopin
Jan 9
WAW6:30 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$550
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 September 17, 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

Tue 10/14

1:40 pm-6:45 pm

2 stops20h 05m

Warsaw Frederic Chopin

Fri 10/24

10:15 am-2:00 pm

1 stop12h 45m

$394

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 10/14

1:40 pm-9:35 am

2 stops34h 55m

Warsaw Frederic Chopin

Fri 10/24

10:15 am-2:00 pm

1 stop12h 45m

$399

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 10/1

7:55 pm-6:45 pm

2 stops37h 50m

Warsaw Frederic Chopin

Wed 10/22

10:15 am-2:00 pm

1 stop12h 45m

$410

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 9/30

7:10 am-6:45 pm

2 stops26h 35m

Warsaw Frederic Chopin

Tue 10/21

7:35 pm-2:00 pm

1 stop27h 25m

$429

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 2/1

3:10 pm-10:30 pm

1 stop22h 20m

Warsaw Frederic Chopin

Thu 2/19

6:30 am-12:10 pm

1 stop14h 40m

$525

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 12/8

6:50 pm-9:30 pm

1 stop17h 40m

Warsaw Frederic Chopin

Thu 1/29

8:50 am-11:11 pm

2 stops23h 21m

$545

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 12/28

3:10 pm-12:55 pm

1 stop12h 45m

Warsaw Frederic Chopin

Fri 1/9

6:30 am-12:10 pm

1 stop14h 40m

$550

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 11/2

11:34 am-3:30 pm

2 stops18h 56m

Warsaw Frederic Chopin

Thu 11/13

8:50 am-11:05 pm

2 stops23h 15m

$551

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 12/8

6:50 pm-11:50 am

1 stop32h 00m

Warsaw Frederic Chopin

Thu 1/29

7:00 am-4:55 pm

1 stop18h 55m

$552

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 11/2

7:00 am-12:55 pm

2 stops20h 55m

Warsaw Frederic Chopin

Thu 11/13

6:30 am-12:59 am

2 stops27h 29m

$561

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 $536, 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 $654.

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 $814 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
1,324 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $451Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $584Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
LufthansaPriceFrom $639Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
KLMPriceFrom $650Free CancellationRating
7.8
1,386 reviews
Search KLM flights
DeltaPriceFrom $656Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Air FrancePriceFrom $678Free CancellationRating
7.4
1,468 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