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Cheap flights from Seattle to Warsaw from $338

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 1/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
11:17 am - 7:05 pmSEA-WAW
22h 48m2 stops
Scandinavian Airlines Logo
7:45 pm - 6:58 pmWAW-SEA
32h 13m2 stops
$451Scandinavian Airlines
Find Deal
Wed, Feb 11 - Sun, Feb 22
Scandinavian Airlines Logo
7:20 am - 2:25 pmSEA-WAW
22h 05m2 stops
Scandinavian Airlines Logo
10:15 am - 11:35 pmWAW-SEA
22h 20m2 stops
$466Scandinavian Airlines
Find Deal
Wed, Apr 29 - Wed, May 6
Scandinavian Airlines Logo
12:00 pm - 9:35 amSEA-WAW
36h 35m2 stops
Scandinavian Airlines Logo
4:50 pm - 10:16 pmWAW-SEA
38h 26m2 stops
$470Scandinavian Airlines
Find Deal
Mon, Apr 27 - Fri, May 8
Scandinavian Airlines Logo
12:45 pm - 9:35 amSEA-WAW
35h 50m2 stops
Scandinavian Airlines Logo
7:45 pm - 10:23 pmWAW-SEA
35h 38m2 stops
$481Scandinavian Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Scandinavian Airlines Logo
10:40 am - 2:20 pmSEA-WAW
18h 40m2 stops
Scandinavian Airlines Logo
7:45 pm - 10:25 pmWAW-SEA
35h 40m2 stops
$482Scandinavian Airlines
Find Deal
Mon, Dec 8 - Thu, Jan 29
Scandinavian Airlines Logo
2:00 pm - 8:50 pmSEA-WAW
21h 50m2 stops
Scandinavian Airlines Logo
7:45 pm - 11:35 pmWAW-SEA
36h 50m2 stops
$486Scandinavian Airlines
Find Deal
Mon, Apr 27 - Sun, May 3
Multiple Airlines Logo
1:05 pm - 6:55 pmSEA-WAW
20h 50m2 stops
Multiple Airlines Logo
6:30 am - 12:10 pmWAW-SEA
14h 40m1 stop
$493Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Scandinavian Airlines Logo
10:40 am - 2:20 pmSEA-WAW
18h 40m2 stops
Scandinavian Airlines Logo
10:15 am - 11:23 pmWAW-SEA
22h 08m2 stops
$504Scandinavian Airlines
Find Deal
Mon, Dec 8 - Thu, Jan 29
Scandinavian Airlines Logo
9:50 am - 2:25 pmSEA-WAW
19h 35m2 stops
Scandinavian Airlines Logo
7:45 pm - 10:17 pmWAW-SEA
35h 32m2 stops
$516Scandinavian Airlines
Find Deal
Sat, May 9 - Sun, May 10
British Airways Logo
6:50 pm - 6:50 pmSEA-WAW
15h 00m1 stop
British Airways Logo
1:05 pm - 4:55 pmWAW-SEA
36h 50m1 stop
$521British Airways
Find Deal
Wed, Feb 11 - Sun, Feb 22

Scandinavian Airlines flights from Seattle to Warsaw

Our best Scandinavian Airlines deals on Seattle to Warsaw flight tickets
Scandinavian Airlines
Feb 11
SEA11:17 amSeattle/Tacoma Intl
22h 48m
2 stops
WAW7:05 pmWarsaw Frederic Chopin
Feb 22
WAW7:45 pmWarsaw Frederic Chopin
32h 13m
2 stops
SEA6:58 pmSeattle/Tacoma Intl
$451
Find similar
Scandinavian Airlines
Dec 5
SEA12:45 pmSeattle/Tacoma Intl
35h 50m
2 stops
WAW9:35 amWarsaw Frederic Chopin
Dec 12
WAW7:45 pmWarsaw Frederic Chopin
35h 38m
2 stops
SEA10:23 pmSeattle/Tacoma Intl
$481
Find similar
Scandinavian Airlines
Dec 7
SEA7:10 amSeattle/Tacoma Intl
22h 10m
2 stops
WAW2:20 pmWarsaw Frederic Chopin
Dec 14
WAW7:45 pmWarsaw Frederic Chopin
47h 34m
2 stops
SEA10:19 amSeattle/Tacoma Intl
$482
Find similar

United Airlines flights from Seattle to Warsaw

Our best United Airlines deals on Seattle to Warsaw flight tickets
United Airlines
Dec 9
SEA7:00 amSeattle/Tacoma Intl
24h 15m
2 stops
WAW4:15 pmWarsaw Frederic Chopin
Dec 16
WAW6:30 amWarsaw Frederic Chopin
14h 40m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$535
Find similar
United Airlines
Dec 9
SEA9:05 amSeattle/Tacoma Intl
22h 10m
2 stops
WAW4:15 pmWarsaw Frederic Chopin
Dec 16
WAW6:30 amWarsaw Frederic Chopin
23h 30m
3 stops
SEA9:00 pmSeattle/Tacoma Intl
$545
Find similar
United Airlines
Jan 6
SEA5:10 pmSeattle/Tacoma Intl
20h 20m
2 stops
WAW10:30 pmWarsaw Frederic Chopin
Feb 23
WAW9:15 amWarsaw Frederic Chopin
20h 46m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$546
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 November 13, 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

Wed 2/11

11:17 am-7:05 pm

2 stops22h 48m

Warsaw Frederic Chopin

Sun 2/22

7:45 pm-6:58 pm

2 stops32h 13m

$451

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/29

7:20 am-2:25 pm

2 stops22h 05m

Warsaw Frederic Chopin

Wed 5/6

10:15 am-11:35 pm

2 stops22h 20m

$466

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 4/27

12:00 pm-9:35 am

2 stops36h 35m

Warsaw Frederic Chopin

Fri 5/8

4:50 pm-10:16 pm

2 stops38h 26m

$470

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 12/5

12:45 pm-9:35 am

2 stops35h 50m

Warsaw Frederic Chopin

Fri 12/12

7:45 pm-10:23 pm

2 stops35h 38m

$481

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 12/8

10:40 am-2:20 pm

2 stops18h 40m

Warsaw Frederic Chopin

Thu 1/29

7:45 pm-10:25 pm

2 stops35h 40m

$482

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 4/27

2:00 pm-8:50 pm

2 stops21h 50m

Warsaw Frederic Chopin

Sun 5/3

7:45 pm-11:35 pm

2 stops36h 50m

$486

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 12/9

1:05 pm-6:55 pm

2 stops20h 50m

Warsaw Frederic Chopin

Tue 12/16

6:30 am-12:10 pm

1 stop14h 40m

$493

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 12/8

10:40 am-2:20 pm

2 stops18h 40m

Warsaw Frederic Chopin

Thu 1/29

10:15 am-11:23 pm

2 stops22h 08m

$504

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 5/9

9:50 am-2:25 pm

2 stops19h 35m

Warsaw Frederic Chopin

Sun 5/10

7:45 pm-10:17 pm

2 stops35h 32m

$516

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 2/11

6:50 pm-6:50 pm

1 stop15h 00m

Warsaw Frederic Chopin

Sun 2/22

1:05 pm-4:55 pm

1 stop36h 50m

$521

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.

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 $773 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
1,334 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,520 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $451Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $545Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
LufthansaPriceFrom $567Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
KLMPriceFrom $650Free CancellationRating
7.7
1,411 reviews
Search KLM flights
Air FrancePriceFrom $678Free CancellationRating
7.4
1,487 reviews
Search Air France flights
DeltaPriceFrom $682Free CancellationRating
7.9
8,007 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