Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Warsaw from $257

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 5/11. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
2:24 pm - 4:20 pm
SEA
-
WAW
16h 56m
2 stops
Lufthansa Logo
7:10 pm - 12:20 pm
WAW
-
SEA
26h 10m
1 stop
$502Lufthansa
Mon, Apr 13 - Mon, Apr 27
Scandinavian Airlines Logo
7:15 am - 12:45 pm
SEA
-
WAW
20h 30m
2 stops
Scandinavian Airlines Logo
7:45 pm - 1:45 pm
WAW
-
SEA
27h 00m
1 stop
$521Scandinavian Airlines
Sat, May 16 - Sat, May 23
Delta Logo
7:15 am - 11:40 am
SEA
-
WAW
19h 25m
2 stops
Delta Logo
6:00 am - 4:30 pm
WAW
-
SEA
19h 30m
1 stop
$544Delta
Wed, Apr 1 - Wed, Apr 8
Scandinavian Airlines Logo
7:15 am - 9:35 am
SEA
-
WAW
41h 20m
2 stops
Scandinavian Airlines Logo
7:55 am - 10:31 pm
WAW
-
SEA
23h 36m
2 stops
$545Scandinavian Airlines
Sat, Apr 18 - Sat, Apr 25
American Airlines Logo
5:40 pm - 6:00 pm
SEA
-
WAW
15h 20m
1 stop
American Airlines Logo
8:55 am - 7:16 pm
WAW
-
SEA
19h 21m
2 stops
$546American Airlines
Sun, Aug 9 - Wed, Aug 19
Finnair Logo
8:20 pm - 12:15 pm
SEA
-
WAW
30h 55m
2 stops
Finnair Logo
9:15 pm - 7:36 pm
WAW
-
SEA
31h 21m
2 stops
$547Finnair
Mon, Apr 13 - Mon, Apr 27
Delta Logo
7:20 am - 12:00 pm
SEA
-
WAW
20h 40m
2 stops
Delta Logo
6:05 am - 4:47 pm
WAW
-
SEA
18h 42m
2 stops
$548Delta
Tue, Mar 17 - Tue, Mar 24
Delta Logo
7:15 am - 11:40 am
SEA
-
WAW
19h 25m
2 stops
Delta Logo
6:05 am - 5:38 pm
WAW
-
SEA
20h 33m
1 stop
$551Delta
Wed, Apr 1 - Wed, Apr 15
American Airlines Logo
1:37 pm - 6:00 pm
SEA
-
WAW
19h 23m
2 stops
American Airlines Logo
1:00 pm - 12:30 am
WAW
-
SEA
20h 30m
2 stops
$552American Airlines
Wed, Apr 1 - Wed, Apr 8
Finnair Logo
1:37 pm - 8:30 pm
SEA
-
WAW
21h 53m
2 stops
Finnair Logo
1:00 pm - 11:29 pm
WAW
-
SEA
19h 29m
2 stops
$554Finnair
Wed, Apr 1 - Thu, Apr 30

Lufthansa flights from Seattle to Warsaw

Our best Lufthansa deals on Seattle to Warsaw flight tickets
Lufthansa
Apr 13
SEA2:24 pmSeattle/Tacoma Intl
16h 56m
2 stops
WAW4:20 pmWarsaw Frederic Chopin
Apr 27
WAW7:10 pmWarsaw Frederic Chopin
26h 10m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$502
Lufthansa
Apr 1
SEA2:10 pmSeattle/Tacoma Intl
14h 25m
1 stop
WAW1:35 pmWarsaw Frederic Chopin
Apr 8
WAW6:45 amWarsaw Frederic Chopin
14h 35m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$562
Lufthansa
Apr 1
SEA2:10 pmSeattle/Tacoma Intl
14h 25m
1 stop
WAW1:35 pmWarsaw Frederic Chopin
Apr 8
WAW6:45 amWarsaw Frederic Chopin
14h 35m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$564

Finnair flights from Seattle to Warsaw

Our best Finnair deals on Seattle to Warsaw flight tickets
Finnair
Apr 13
SEA8:20 pmSeattle/Tacoma Intl
30h 55m
2 stops
WAW12:15 pmWarsaw Frederic Chopin
Apr 27
WAW9:15 pmWarsaw Frederic Chopin
31h 21m
2 stops
SEA7:36 pmSeattle/Tacoma Intl
$547
Finnair
Apr 1
SEA1:37 pmSeattle/Tacoma Intl
21h 53m
2 stops
WAW8:30 pmWarsaw Frederic Chopin
Apr 30
WAW1:00 pmWarsaw Frederic Chopin
19h 29m
2 stops
SEA11:29 pmSeattle/Tacoma Intl
$554
Finnair
Mar 1
SEA6:09 amSeattle/Tacoma Intl
27h 26m
2 stops
WAW6:35 pmWarsaw Frederic Chopin
Jun 1
WAW1:00 pmWarsaw Frederic Chopin
31h 35m
2 stops
SEA11:35 amSeattle/Tacoma Intl
$747

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 February 18, 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

Mon 4/13

2:24 pm-4:20 pm

2 stops16h 56m

Warsaw Frederic Chopin

Mon 4/27

7:10 pm-12:20 pm

1 stop26h 10m

$502

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 5/16

7:15 am-12:45 pm

2 stops20h 30m

Warsaw Frederic Chopin

Sat 5/23

7:45 pm-1:45 pm

1 stop27h 00m

$521

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/1

7:15 am-11:40 am

2 stops19h 25m

Warsaw Frederic Chopin

Wed 4/8

6:00 am-4:30 pm

1 stop19h 30m

$544

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 4/18

7:15 am-9:35 am

2 stops41h 20m

Warsaw Frederic Chopin

Sat 4/25

7:55 am-10:31 pm

2 stops23h 36m

$545

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 8/9

5:40 pm-6:00 pm

1 stop15h 20m

Warsaw Frederic Chopin

Wed 8/19

8:55 am-7:16 pm

2 stops19h 21m

$546

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 4/13

8:20 pm-12:15 pm

2 stops30h 55m

Warsaw Frederic Chopin

Mon 4/27

9:15 pm-7:36 pm

2 stops31h 21m

$547

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 3/17

7:20 am-12:00 pm

2 stops20h 40m

Warsaw Frederic Chopin

Tue 3/24

6:05 am-4:47 pm

2 stops18h 42m

$548

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/1

7:15 am-11:40 am

2 stops19h 25m

Warsaw Frederic Chopin

Wed 4/15

6:05 am-5:38 pm

1 stop20h 33m

$551

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/1

1:37 pm-6:00 pm

2 stops19h 23m

Warsaw Frederic Chopin

Wed 4/8

1:00 pm-12:30 am

2 stops20h 30m

$552

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/1

1:37 pm-8:30 pm

2 stops21h 53m

Warsaw Frederic Chopin

Thu 4/30

1:00 pm-11:29 pm

2 stops19h 29m

$554

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $513, 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 $747 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 45m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 12h 45m
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
United AirlinesPriceFrom $361Free CancellationRating
7.4
9,312 reviews
Search United Airlines flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,751 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $450Free CancellationRating
7.3
1,688 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $536Free CancellationRating
6.8
7,790 reviews
Search Lufthansa flights
FinnairPriceFrom $537Free CancellationRating
7.6
1,362 reviews
Search Finnair flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,305 reviews
Search American Airlines flights
DeltaPriceFrom $653Free CancellationRating
7.9
8,207 reviews
Search Delta flights
KLMPriceFrom $684Free CancellationRating
7.7
1,457 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.

An easier way to manage your Warsaw trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/20
Fri 3/27
By creating a price alert you accept our terms of use and privacy policy.

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