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Cheap flights from Seattle to Warsaw from $412

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
3:55 pm - 7:05 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
18h 10m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
10:15 am - 1:45 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
12h 30m1 stop Kastrup Copenhagen
$702Scandinavian Airlines
Fri, Sep 11 - Fri, Sep 25
Scandinavian Airlines Logo
3:55 pm - 2:25 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
13h 30m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:45 pm - 1:45 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
27h 00m1 stop Kastrup Copenhagen
$711Scandinavian Airlines
Sat, Sep 19 - Sat, Oct 3
Multiple Airlines Logo
2:50 pm - 12:40 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
12h 50m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
6:30 am - 9:57 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
24h 27m2 stops Frankfurt am Main Vancouver Intl
$744Multiple Airlines
Wed, Dec 23 - Wed, Jan 6
Lufthansa Logo
2:50 pm - 12:40 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
12h 50m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:05 am - 1:00 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
15h 55m1 stop Munich Franz Josef Strauss
$745Lufthansa
Wed, Dec 23 - Wed, Jan 6
British Airways Logo
6:45 pm - 9:30 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
17h 45m1 stop London Heathrow
British Airways Logo
7:35 am - 4:50 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
18h 15m1 stop London Heathrow
$753British Airways
Mon, Jan 11 - Fri, Jan 15
Multiple Airlines Logo
3:55 pm - 10:10 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
21h 15m3 stops Kastrup Copenhagen Oslo Gardermoen Amsterdam Schiphol
Multiple Airlines Logo
12:05 pm - 1:45 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
34h 40m2 stops Oslo Gardermoen Kastrup Copenhagen
$755Multiple Airlines
Fri, Sep 11 - Thu, Sep 24
United Airlines Logo
11:00 am - 10:30 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
26h 30m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:05 am - 1:00 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
15h 55m1 stop Munich Franz Josef Strauss
$756United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
9:02 am - 1:55 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
19h 53m2 stops San Francisco Frankfurt am Main
United Airlines Logo
6:25 am - 6:59 pmWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
21h 34m2 stops Frankfurt am Main Chicago O'Hare Intl
$777United Airlines
Wed, Jan 27 - Fri, Jan 29
Lufthansa Logo
6:50 pm - 4:20 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
12h 30m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:50 am - 11:55 amWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
14h 05m1 stop Frankfurt am Main
$800Lufthansa
Wed, Sep 9 - Tue, Sep 29
British Airways Logo
1:30 pm - 8:55 pmSEA  Seattle/Tacoma Intl-WAW Warsaw Frederic Chopin
22h 25m1 stop London Heathrow
British Airways Logo
6:45 pm - 11:35 amWAW  Warsaw Frederic Chopin-SEA Seattle/Tacoma Intl
25h 50m1 stop London Heathrow
$853British Airways
Mon, Sep 7 - Mon, Sep 28

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Scandinavian Airlines flights from Seattle to Warsaw

Our best Scandinavian Airlines deals on Seattle to Warsaw flight tickets
Scandinavian Airlines
Sep 11
SEA3:55 pmSeattle/Tacoma Intl
18h 10m
1 stop
WAW7:05 pmWarsaw Frederic Chopin
Sep 25
WAW10:15 amWarsaw Frederic Chopin
12h 30m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$702
Scandinavian Airlines
Sep 19
SEA3:55 pmSeattle/Tacoma Intl
13h 30m
1 stop
WAW2:25 pmWarsaw Frederic Chopin
Oct 3
WAW7:45 pmWarsaw Frederic Chopin
27h 00m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$711
Scandinavian Airlines
Sep 25
SEA3:55 pmSeattle/Tacoma Intl
32h 40m
1 stop
WAW9:35 amWarsaw Frederic Chopin
Oct 3
WAW7:45 pmWarsaw Frederic Chopin
27h 00m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$716

Lufthansa flights from Seattle to Warsaw

Our best Lufthansa deals on Seattle to Warsaw flight tickets
Lufthansa
Sep 9
SEA6:50 pmSeattle/Tacoma Intl
12h 30m
1 stop
WAW4:20 pmWarsaw Frederic Chopin
Sep 29
WAW6:50 amWarsaw Frederic Chopin
14h 05m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$800
Lufthansa
Sep 9
SEA6:50 pmSeattle/Tacoma Intl
12h 30m
1 stop
WAW4:20 pmWarsaw Frederic Chopin
Sep 25
WAW6:25 amWarsaw Frederic Chopin
14h 30m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$808
Lufthansa
Sep 9
SEA6:50 pmSeattle/Tacoma Intl
12h 30m
1 stop
WAW4:20 pmWarsaw Frederic Chopin
Sep 30
WAW6:45 amWarsaw Frederic Chopin
14h 10m
1 stop
SEA11:55 amSeattle/Tacoma Intl
$809

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 August 7, 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

Cheapest round-trip

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Fri 9/11

3:55 pm-7:05 pm

1 stop18h 10m

Warsaw Frederic Chopin

Fri 9/25

10:15 am-1:45 pm

1 stop12h 30m

$702

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Sat 9/19

3:55 pm-2:25 pm

1 stop13h 30m

Warsaw Frederic Chopin

Sat 10/3

7:45 pm-1:45 pm

1 stop27h 00m

$711

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Wed 12/23

2:50 pm-12:40 pm

1 stop12h 50m

Warsaw Frederic Chopin

Wed 1/6

6:30 am-9:57 pm

2 stops24h 27m

$744

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Wed 12/23

2:50 pm-12:40 pm

1 stop12h 50m

Warsaw Frederic Chopin

Wed 1/6

6:05 am-1:00 pm

1 stop15h 55m

$745

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Mon 1/11

6:45 pm-9:30 pm

1 stop17h 45m

Warsaw Frederic Chopin

Fri 1/15

7:35 am-4:50 pm

1 stop18h 15m

$753

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Fri 9/11

3:55 pm-10:10 pm

3 stops21h 15m

Warsaw Frederic Chopin

Thu 9/24

12:05 pm-1:45 pm

2 stops34h 40m

$755

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Mon 1/11

11:00 am-10:30 pm

2 stops26h 30m

Warsaw Frederic Chopin

Fri 1/15

6:05 am-1:00 pm

1 stop15h 55m

$756

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Wed 1/27

9:02 am-1:55 pm

2 stops19h 53m

Warsaw Frederic Chopin

Fri 1/29

6:25 am-6:59 pm

2 stops21h 34m

$777
Quickest round-trip

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Wed 9/9

6:50 pm-4:20 pm

1 stop12h 30m

Warsaw Frederic Chopin

Tue 9/29

6:50 am-11:55 am

1 stop14h 05m

$800

SeattleWarsaw

SEA Seattle/Tacoma Intl - WAW Warsaw Frederic Chopin

SEAWAW

Seattle/Tacoma Intl

Mon 9/7

1:30 pm-8:55 pm

1 stop22h 25m

Warsaw Frederic Chopin

Mon 9/28

6:45 pm-11:35 am

1 stop25h 50m

$853

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $670 to $828.
The lowest price recently found on this route was $702.

What is the cheapest month to fly to Warsaw?

The cheapest month to fly to Warsaw from Seattle is in February. Flight prices, which tend to average around $554, are often lower during this time because this is during the off-season. If you are unable to visit Warsaw during the month of February, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $596.

How far in advance should I book a flight from Seattle 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 $738 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 $680 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

17h 20m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 17h 20m
There are no direct flights from Seattle to Warsaw. There are no popular flight routes from Seattle to Warsaw.
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Frequently asked questions about flying from Seattle to Warsaw

  • 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 17h 20m.

  • 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
United AirlinesPriceFrom $361Free CancellationRating
7.4
10,080 reviews
Search United Airlines flights
FinnairPriceFrom $397Free CancellationRating
7.7
1,427 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
8,150 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $453Free CancellationRating
7.4
1,926 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $536Free CancellationRating
6.8
8,178 reviews
Search Lufthansa flights
DeltaPriceFrom $540Free CancellationRating
7.8
8,499 reviews
Search Delta flights
KLMPriceFrom $627Free CancellationRating
7.8
1,555 reviews
Search KLM 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