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Cheap flights from Seattle to Warsaw from $334

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 1/13. 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.
Lufthansa Logo
2:10 pm - 10:30 pm
SEA
-
WAW
23h 20m2 stops
Lufthansa Logo
6:30 am - 12:10 pm
WAW
-
SEA
14h 40m1 stop
$477Lufthansa
Mon, Jan 12 - Mon, Jan 26
Lufthansa Logo
2:00 pm - 10:40 pm
SEA
-
WAW
23h 40m1 stop
Lufthansa Logo
6:30 am - 12:10 pm
WAW
-
SEA
14h 40m1 stop
$507Lufthansa
Mon, Jan 12 - Mon, Jan 26
British Airways Logo
6:50 pm - 11:35 am
SEA
-
WAW
31h 45m1 stop
British Airways Logo
7:40 pm - 4:55 pm
WAW
-
SEA
30h 15m1 stop
$511British Airways
Tue, Jan 13 - Mon, Feb 9
Lufthansa Logo
3:10 pm - 12:55 pm
SEA
-
WAW
12h 45m1 stop
Lufthansa Logo
6:30 pm - 12:10 pm
WAW
-
SEA
26h 40m1 stop
$512Lufthansa
Wed, Jan 14 - Wed, Jan 21
Lufthansa Logo
2:00 pm - 4:30 pm
SEA
-
WAW
17h 30m2 stops
Lufthansa Logo
6:30 am - 12:10 pm
WAW
-
SEA
14h 40m1 stop
$515Lufthansa
Thu, Jan 29 - Thu, Feb 5
Multiple Airlines Logo
3:10 pm - 4:30 pm
SEA
-
WAW
16h 20m1 stop
Multiple Airlines Logo
6:05 am - 10:16 pm
WAW
-
SEA
25h 11m2 stops
$520Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
Lufthansa Logo
2:10 pm - 10:30 pm
SEA
-
WAW
23h 20m2 stops
Lufthansa Logo
6:30 am - 7:16 pm
WAW
-
SEA
21h 46m2 stops
$524Lufthansa
Tue, Jan 13 - Mon, Feb 9
Lufthansa Logo
9:55 am - 12:55 pm
SEA
-
WAW
18h 00m2 stops
Lufthansa Logo
6:30 am - 1:10 pm
WAW
-
SEA
14h 40m1 stop
$525Lufthansa
Tue, Feb 24 - Tue, Mar 17
Lufthansa Logo
2:10 pm - 10:30 pm
SEA
-
WAW
23h 20m2 stops
Lufthansa Logo
6:05 am - 7:16 pm
WAW
-
SEA
22h 11m2 stops
$526Lufthansa
Mon, Jan 12 - Tue, Jan 20
Lufthansa Logo
3:10 pm - 12:55 pm
SEA
-
WAW
12h 45m1 stop
Lufthansa Logo
6:05 am - 7:16 pm
WAW
-
SEA
22h 11m2 stops
$527Lufthansa
Sun, Jan 11 - Tue, Jan 20

Lufthansa flights from Seattle to Warsaw

Our best Lufthansa deals on Seattle to Warsaw flight tickets
Lufthansa
Jan 12
SEA2:10 pmSeattle/Tacoma Intl
23h 20m
2 stops
WAW10:30 pmWarsaw Frederic Chopin
Jan 26
WAW6:30 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$477
Find similar
Lufthansa
Jan 12
SEA2:00 pmSeattle/Tacoma Intl
23h 40m
1 stop
WAW10:40 pmWarsaw Frederic Chopin
Jan 26
WAW6:30 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$507
Find similar
Lufthansa
Jan 14
SEA3:10 pmSeattle/Tacoma Intl
12h 45m
1 stop
WAW12:55 pmWarsaw Frederic Chopin
Jan 21
WAW6:30 pmWarsaw Frederic Chopin
26h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$512
Find similar

British Airways flights from Seattle to Warsaw

Our best British Airways deals on Seattle to Warsaw flight tickets
British Airways
Jan 13
SEA6:50 pmSeattle/Tacoma Intl
31h 45m
1 stop
WAW11:35 amWarsaw Frederic Chopin
Feb 9
WAW7:40 pmWarsaw Frederic Chopin
30h 15m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$511
Find similar
British Airways
Jan 13
SEA1:25 pmSeattle/Tacoma Intl
13h 25m
1 stop
WAW11:50 amWarsaw Frederic Chopin
Jan 20
WAW7:45 amWarsaw Frederic Chopin
18h 10m
1 stop
SEA4:55 pmSeattle/Tacoma Intl
$531
Find similar
British Airways
Jan 12
SEA8:04 amSeattle/Tacoma Intl
18h 46m
2 stops
WAW11:50 amWarsaw Frederic Chopin
Jan 19
WAW4:25 pmWarsaw Frederic Chopin
28h 05m
1 stop
SEA11:30 amSeattle/Tacoma Intl
$532
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 15, 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

2:10 pm-10:30 pm

2 stops23h 20m

Warsaw Frederic Chopin

Mon 1/26

6:30 am-12:10 pm

1 stop14h 40m

$477

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 1/12

2:00 pm-10:40 pm

1 stop23h 40m

Warsaw Frederic Chopin

Mon 1/26

6:30 am-12:10 pm

1 stop14h 40m

$507

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 1/13

6:50 pm-11:35 am

1 stop31h 45m

Warsaw Frederic Chopin

Mon 2/9

7:40 pm-4:55 pm

1 stop30h 15m

$511

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 1/14

3:10 pm-12:55 pm

1 stop12h 45m

Warsaw Frederic Chopin

Wed 1/21

6:30 pm-12:10 pm

1 stop26h 40m

$512

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Thu 1/29

2:00 pm-4:30 pm

2 stops17h 30m

Warsaw Frederic Chopin

Thu 2/5

6:30 am-12:10 pm

1 stop14h 40m

$515

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-10:16 pm

2 stops25h 11m

$520

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 1/13

2:10 pm-10:30 pm

2 stops23h 20m

Warsaw Frederic Chopin

Mon 2/9

6:30 am-7:16 pm

2 stops21h 46m

$524

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 2/24

9:55 am-12:55 pm

2 stops18h 00m

Warsaw Frederic Chopin

Tue 3/17

6:30 am-1:10 pm

1 stop14h 40m

$525

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 1/12

2:10 pm-10:30 pm

2 stops23h 20m

Warsaw Frederic Chopin

Tue 1/20

6:05 am-7:16 pm

2 stops22h 11m

$526

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 1/11

3:10 pm-12:55 pm

1 stop12h 45m

Warsaw Frederic Chopin

Tue 1/20

6:05 am-7:16 pm

2 stops22h 11m

$527

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 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 $771 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 40m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 12h 40m
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 40m.

  • 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
1,337 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,579 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $451Free CancellationRating
7.4
1,606 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $537Free CancellationRating
6.8
7,631 reviews
Search Lufthansa flights
United AirlinesPriceFrom $545Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
KLMPriceFrom $650Free CancellationRating
7.7
1,432 reviews
Search KLM flights
DeltaPriceFrom $682Free CancellationRating
7.9
8,010 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