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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 1/15. 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.
Delta Logo
9:55 pm - 12:05 pm
SEA
-
WAW
29h 10m2 stops
Delta Logo
12:45 pm - 11:40 am
WAW
-
SEA
31h 55m1 stop
$537Delta
Mon, Jan 12 - Thu, Feb 26
United Airlines Logo
9:25 am - 10:30 pm
SEA
-
WAW
28h 05m2 stops
United Airlines Logo
6:05 am - 1:20 pm
WAW
-
SEA
16h 15m1 stop
$540United Airlines
Sun, Jan 11 - Wed, Feb 25
United Airlines Logo
3:10 pm - 12:55 pm
SEA
-
WAW
12h 45m1 stop
United Airlines Logo
6:40 am - 6:03 pm
WAW
-
SEA
20h 23m2 stops
$542United Airlines
Wed, Jan 14 - Fri, Feb 27
Delta Logo
7:15 am - 12:00 pm
SEA
-
WAW
19h 45m2 stops
Delta Logo
6:05 am - 11:40 am
WAW
-
SEA
14h 35m1 stop
$543Delta
Thu, Jan 15 - Fri, Feb 27
British Airways Logo
1:35 pm - 5:15 pm
SEA
-
WAW
18h 40m1 stop
British Airways Logo
11:55 am - 11:35 am
WAW
-
SEA
32h 40m1 stop
$545British Airways
Thu, Apr 23 - Tue, May 5
British Airways Logo
6:50 pm - 6:50 pm
SEA
-
WAW
15h 00m1 stop
British Airways Logo
8:50 am - 11:51 pm
WAW
-
SEA
24h 01m2 stops
$546British Airways
Wed, Dec 31 - Fri, Jan 9
Lufthansa Logo
2:16 pm - 4:20 pm
SEA
-
WAW
17h 04m2 stops
Lufthansa Logo
6:40 am - 12:20 pm
WAW
-
SEA
14h 40m1 stop
$548Lufthansa
Wed, Apr 22 - Sun, May 3
Lufthansa Logo
6:50 pm - 4:20 pm
SEA
-
WAW
12h 30m1 stop
Lufthansa Logo
6:40 am - 12:20 pm
WAW
-
SEA
14h 40m1 stop
$549Lufthansa
Wed, Apr 22 - Sat, May 2
Multiple Airlines Logo
6:45 pm - 11:30 pm
SEA
-
WMI
19h 45m1 stop
Multiple Airlines Logo
10:50 pm - 4:00 pm
WMI
-
SEA
26h 10m2 stops
$822Multiple Airlines
Tue, May 12 - Mon, Jun 15
Multiple Airlines Logo
6:45 pm - 12:05 am
SEA
-
WMI
20h 20m1 stop
Multiple Airlines Logo
10:30 am - 4:59 pm
WMI
-
SEA
15h 29m1 stop
$929Multiple Airlines
Thu, Apr 23 - Tue, May 5

British Airways flights from Seattle to Warsaw

Our best British Airways deals on Seattle to Warsaw flight tickets
British Airways
Apr 23
SEA1:35 pmSeattle/Tacoma Intl
18h 40m
1 stop
WAW5:15 pmWarsaw Frederic Chopin
May 5
WAW11:55 amWarsaw Frederic Chopin
32h 40m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$545
Find similar
British Airways
Dec 31
SEA6:50 pmSeattle/Tacoma Intl
15h 00m
1 stop
WAW6:50 pmWarsaw Frederic Chopin
Jan 9
WAW8:50 amWarsaw Frederic Chopin
24h 01m
2 stops
SEA11:51 pmSeattle/Tacoma Intl
$546
Find similar
British Airways
May 1
SEA1:35 pmSeattle/Tacoma Intl
22h 50m
1 stop
WAW9:25 pmWarsaw Frederic Chopin
May 7
WAW11:50 amWarsaw Frederic Chopin
15h 35m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
$555
Find similar

Scandinavian Airlines flights from Seattle to Warsaw

Our best Scandinavian Airlines deals on Seattle to Warsaw flight tickets
Scandinavian Airlines
Apr 22
SEA11:10 amSeattle/Tacoma Intl
24h 40m
2 stops
WAW8:50 pmWarsaw Frederic Chopin
May 2
WAW7:55 amWarsaw Frederic Chopin
23h 21m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
$554
Find similar
Scandinavian Airlines
Dec 8
SEA7:20 amSeattle/Tacoma Intl
26h 45m
2 stops
WAW7:05 pmWarsaw Frederic Chopin
Jan 29
WAW7:45 pmWarsaw Frederic Chopin
36h 30m
2 stops
SEA11:15 pmSeattle/Tacoma Intl
$569
Find similar
Scandinavian Airlines
Dec 31
SEA7:10 amSeattle/Tacoma Intl
17h 25m
2 stops
WAW9:35 amWarsaw Frederic Chopin
Jan 9
WAW7:45 pmWarsaw Frederic Chopin
35h 40m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
$633
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 December 4, 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 1/12

9:55 pm-12:05 pm

2 stops29h 10m

Warsaw Frederic Chopin

Thu 2/26

12:45 pm-11:40 am

1 stop31h 55m

$537

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 1/11

9:25 am-10:30 pm

2 stops28h 05m

Warsaw Frederic Chopin

Wed 2/25

6:05 am-1:20 pm

1 stop16h 15m

$540

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 1/14

3:10 pm-12:55 pm

1 stop12h 45m

Warsaw Frederic Chopin

Fri 2/27

6:40 am-6:03 pm

2 stops20h 23m

$542

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Thu 1/15

7:15 am-12:00 pm

2 stops19h 45m

Warsaw Frederic Chopin

Fri 2/27

6:05 am-11:40 am

1 stop14h 35m

$543

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Thu 4/23

1:35 pm-5:15 pm

1 stop18h 40m

Warsaw Frederic Chopin

Tue 5/5

11:55 am-11:35 am

1 stop32h 40m

$545

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 12/31

6:50 pm-6:50 pm

1 stop15h 00m

Warsaw Frederic Chopin

Fri 1/9

8:50 am-11:51 pm

2 stops24h 01m

$546

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/22

2:16 pm-4:20 pm

2 stops17h 04m

Warsaw Frederic Chopin

Sun 5/3

6:40 am-12:20 pm

1 stop14h 40m

$548

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/22

6:50 pm-4:20 pm

1 stop12h 30m

Warsaw Frederic Chopin

Sat 5/2

6:40 am-12:20 pm

1 stop14h 40m

$549

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Tue 5/12

6:45 pm-11:30 pm

1 stop19h 45m

Warsaw Modlin

Mon 6/15

10:50 pm-4:00 pm

2 stops26h 10m

$822

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Thu 4/23

6:45 pm-12:05 am

1 stop20h 20m

Warsaw Modlin

Tue 5/5

10:30 am-4:59 pm

1 stop15h 29m

$929

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 $558.

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 $776 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 $581 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

12h 00m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 12h 00m
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 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
FinnairPriceFrom $397Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $452Free CancellationRating
7.4
1,592 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $545Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
LufthansaPriceFrom $556Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
KLMPriceFrom $615Free CancellationRating
7.7
1,430 reviews
Search KLM flights
DeltaPriceFrom $682Free CancellationRating
7.9
8,011 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