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Cheap flights from Seattle to Warsaw from $204

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 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Lufthansa Logo
3:10 pm - 4:30 pm
SEA
-
WAW
16h 20m1 stop
Lufthansa Logo
6:05 am - 1:20 pm
WAW
-
SEA
16h 15m1 stop
$463Lufthansa
Wed, Jan 28 - Wed, Feb 4
British Airways Logo
7:15 am - 11:50 am
SEA
-
WAW
19h 35m2 stops
British Airways Logo
1:00 pm - 7:20 pm
WAW
-
SEA
38h 20m2 stops
$480British Airways
Tue, Feb 17 - Tue, Mar 10
British Airways Logo
7:15 am - 6:50 pm
SEA
-
WAW
26h 35m2 stops
British Airways Logo
6:50 pm - 5:10 pm
WAW
-
SEA
31h 20m2 stops
$481British Airways
Wed, Feb 18 - Tue, Mar 31
British Airways Logo
6:50 pm - 6:45 pm
SEA
-
WAW
14h 55m1 stop
British Airways Logo
7:35 pm - 7:20 pm
WAW
-
SEA
31h 45m2 stops
$483British Airways
Tue, Feb 17 - Tue, Mar 10
British Airways Logo
6:50 pm - 9:30 pm
SEA
-
WAW
17h 40m1 stop
British Airways Logo
6:50 pm - 5:10 pm
WAW
-
SEA
31h 20m2 stops
$484British Airways
Wed, Feb 18 - Tue, Mar 31
Lufthansa Logo
3:10 pm - 4:30 pm
SEA
-
WAW
16h 20m1 stop
Lufthansa Logo
6:50 am - 12:20 pm
WAW
-
SEA
14h 30m1 stop
$486Lufthansa
Wed, Feb 18 - Tue, Mar 31
British Airways Logo
8:20 pm - 9:10 pm
SEA
-
WAW
15h 50m1 stop
British Airways Logo
6:50 pm - 5:10 pm
WAW
-
SEA
31h 20m2 stops
$487British Airways
Tue, May 12 - Tue, May 19
British Airways Logo
7:15 am - 6:50 pm
SEA
-
WAW
26h 35m2 stops
British Airways Logo
7:40 pm - 7:20 pm
WAW
-
SEA
55h 40m2 stops
$488British Airways
Wed, Feb 18 - Wed, Mar 18
British Airways Logo
6:50 pm - 6:50 pm
SEA
-
WAW
15h 00m1 stop
British Airways Logo
7:40 pm - 7:20 pm
WAW
-
SEA
55h 40m2 stops
$490British Airways
Wed, Feb 18 - Wed, Mar 18
Multiple Airlines Logo
6:55 pm - 11:30 pm
SEA
-
WMI
19h 35m1 stop
Multiple Airlines Logo
10:30 am - 5:10 pm
WMI
-
SEA
15h 40m1 stop
$709Multiple Airlines
Tue, May 12 - Tue, May 19

Lufthansa flights from Seattle to Warsaw

Our best Lufthansa deals on Seattle to Warsaw flight tickets
Lufthansa
Jan 28
SEA3:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
WAW4:30 pmWarsaw Frederic Chopin
Feb 4
WAW6:05 amWarsaw Frederic Chopin
16h 15m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$463
Lufthansa
Feb 18
SEA3:10 pmSeattle/Tacoma Intl
16h 20m
1 stop
WAW4:30 pmWarsaw Frederic Chopin
Mar 31
WAW6:50 amWarsaw Frederic Chopin
14h 30m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$486
Lufthansa
Feb 6
SEA3:10 pmSeattle/Tacoma Intl
22h 20m
1 stop
WAW10:30 pmWarsaw Frederic Chopin
Feb 16
WAW6:30 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$495

United Airlines flights from Seattle to Warsaw

Our best United Airlines deals on Seattle to Warsaw flight tickets
United Airlines
Mar 18
SEA12:55 pmSeattle/Tacoma Intl
19h 35m
2 stops
WAW4:30 pmWarsaw Frederic Chopin
Mar 25
WAW6:05 amWarsaw Frederic Chopin
16h 15m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$507
United Airlines
Jan 28
SEA8:40 amSeattle/Tacoma Intl
22h 50m
3 stops
WAW4:30 pmWarsaw Frederic Chopin
Feb 4
WAW9:30 amWarsaw Frederic Chopin
20h 45m
2 stops
SEA9:15 pmSeattle/Tacoma Intl
$516
United Airlines
May 13
SEA6:50 pmSeattle/Tacoma Intl
12h 30m
1 stop
WAW4:20 pmWarsaw Frederic Chopin
May 22
WAW6:00 amWarsaw Frederic Chopin
19h 59m
1 stop
SEA4:59 pmSeattle/Tacoma Intl
$517

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 January 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

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 1/28

3:10 pm-4:30 pm

1 stop16h 20m

Warsaw Frederic Chopin

Wed 2/4

6:05 am-1:20 pm

1 stop16h 15m

$463

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 2/17

7:15 am-11:50 am

2 stops19h 35m

Warsaw Frederic Chopin

Tue 3/10

1:00 pm-7:20 pm

2 stops38h 20m

$480

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 2/18

7:15 am-6:50 pm

2 stops26h 35m

Warsaw Frederic Chopin

Tue 3/31

6:50 pm-5:10 pm

2 stops31h 20m

$481

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 2/17

6:50 pm-6:45 pm

1 stop14h 55m

Warsaw Frederic Chopin

Tue 3/10

7:35 pm-7:20 pm

2 stops31h 45m

$483

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 2/18

6:50 pm-9:30 pm

1 stop17h 40m

Warsaw Frederic Chopin

Tue 3/31

6:50 pm-5:10 pm

2 stops31h 20m

$484

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 2/18

3:10 pm-4:30 pm

1 stop16h 20m

Warsaw Frederic Chopin

Tue 3/31

6:50 am-12:20 pm

1 stop14h 30m

$486

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 5/12

8:20 pm-9:10 pm

1 stop15h 50m

Warsaw Frederic Chopin

Tue 5/19

6:50 pm-5:10 pm

2 stops31h 20m

$487

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 2/18

7:15 am-6:50 pm

2 stops26h 35m

Warsaw Frederic Chopin

Wed 3/18

7:40 pm-7:20 pm

2 stops55h 40m

$488

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 2/18

6:50 pm-6:50 pm

1 stop15h 00m

Warsaw Frederic Chopin

Wed 3/18

7:40 pm-7:20 pm

2 stops55h 40m

$490

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Tue 5/12

6:55 pm-11:30 pm

1 stop19h 35m

Warsaw Modlin

Tue 5/19

10:30 am-5:10 pm

1 stop15h 40m

$709

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 $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.

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 $765 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 $551 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 30m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 12h 30m
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
1,346 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $451Free CancellationRating
7.3
1,635 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $537Free CancellationRating
6.8
7,696 reviews
Search Lufthansa flights
United AirlinesPriceFrom $545Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,095 reviews
Search American Airlines flights
KLMPriceFrom $650Free CancellationRating
7.7
1,434 reviews
Search KLM flights
DeltaPriceFrom $682Free CancellationRating
7.9
8,027 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