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Cheap flights from Seattle to Warsaw from $268

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 3/6. 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
9:55 am - 12:55 pm
SEA
-
WAW
18h 00m
2 stops
Lufthansa Logo
6:30 am - 1:10 pm
WAW
-
SEA
14h 40m
1 stop
$448Lufthansa
dom., feb. 22 - mar., mar. 10
Lufthansa Logo
3:10 pm - 10:30 pm
SEA
-
WAW
22h 20m
1 stop
Lufthansa Logo
6:30 am - 1:10 pm
WAW
-
SEA
14h 40m
1 stop
$460Lufthansa
dom., feb. 22 - mar., mar. 10
British Airways Logo
1:37 pm - 9:30 pm
SEA
-
WAW
22h 53m
2 stops
British Airways Logo
7:20 am - 7:20 pm
WAW
-
SEA
20h 00m
2 stops
$480British Airways
mié., feb. 18 - mié., mar. 18
British Airways Logo
6:50 pm - 9:40 pm
SEA
-
WAW
17h 50m
1 stop
British Airways Logo
7:35 pm - 7:20 pm
WAW
-
SEA
31h 45m
2 stops
$482British Airways
mar., feb. 17 - mar., mar. 10
British Airways Logo
6:50 pm - 9:30 pm
SEA
-
WAW
17h 40m
1 stop
British Airways Logo
6:45 pm - 5:10 pm
WAW
-
SEA
31h 25m
2 stops
$483British Airways
dom., mar. 1 - lun., may. 4
Multiple Airlines Logo
8:10 am - 12:55 pm
SEA
-
WAW
19h 45m
2 stops
Multiple Airlines Logo
7:00 am - 12:20 pm
WAW
-
SEA
14h 20m
1 stop
$487Multiple Airlines
mar., feb. 17 - mié., abr. 1
British Airways Logo
8:20 pm - 11:00 am
SEA
-
WAW
29h 40m
1 stop
British Airways Logo
11:50 am - 5:10 pm
WAW
-
SEA
38h 20m
2 stops
$488British Airways
mié., abr. 15 - mié., abr. 29
Multiple Airlines Logo
9:55 am - 12:55 pm
SEA
-
WAW
18h 00m
2 stops
Multiple Airlines Logo
6:05 am - 10:16 pm
WAW
-
SEA
24h 11m
2 stops
$490Multiple Airlines
dom., feb. 22 - mar., mar. 10
British Airways Logo
5:37 am - 9:40 pm
SEA
-
WAW
31h 03m
2 stops
British Airways Logo
7:35 pm - 7:20 pm
WAW
-
SEA
31h 45m
2 stops
$492British Airways
mar., feb. 17 - mar., mar. 10
British Airways Logo
11:16 am - 8:45 pm
SEA
-
WAW
24h 29m
2 stops
British Airways Logo
11:55 am - 5:10 pm
WAW
-
SEA
38h 15m
2 stops
$493British Airways
mié., abr. 15 - mar., abr. 28

United Airlines flights from Seattle to Warsaw

Our best United Airlines deals on Seattle to Warsaw flight tickets
United Airlines
Apr 18
SEA11:59 pmSeattle/Tacoma Intl
37h 06m
2 stops
WAW10:05 pmWarsaw Frederic Chopin
Apr 29
WAW7:00 amWarsaw Frederic Chopin
14h 20m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$505
United Airlines
Feb 9
SEA2:10 pmSeattle/Tacoma Intl
17h 05m
2 stops
WAW4:15 pmWarsaw Frederic Chopin
Mar 4
WAW6:30 amWarsaw Frederic Chopin
23h 31m
3 stops
SEA9:01 pmSeattle/Tacoma Intl
$515
United Airlines
Feb 16
SEA7:15 amSeattle/Tacoma Intl
20h 40m
2 stops
WAW12:55 pmWarsaw Frederic Chopin
Mar 16
WAW6:30 amWarsaw Frederic Chopin
24h 58m
2 stops
SEA11:28 pmSeattle/Tacoma Intl
$532

Air Canada flights from Seattle to Warsaw

Our best Air Canada deals on Seattle to Warsaw flight tickets
Air Canada
Apr 18
SEA8:00 pmSeattle/Tacoma Intl
35h 20m
2 stops
WAW4:20 pmWarsaw Frederic Chopin
Apr 28
WAW2:15 pmWarsaw Frederic Chopin
40h 36m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$509
Air Canada
Apr 16
SEA8:00 amSeattle/Tacoma Intl
23h 20m
2 stops
WAW4:20 pmWarsaw Frederic Chopin
Apr 30
WAW6:40 amWarsaw Frederic Chopin
24h 11m
2 stops
SEA9:51 pmSeattle/Tacoma Intl
$567

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 enero 20, 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

dom. 2/22

9:55 am-12:55 pm

2 stops18h 00m

Warsaw Frederic Chopin

mar. 3/10

6:30 am-1:10 pm

1 stop14h 40m

$448

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

dom. 2/22

3:10 pm-10:30 pm

1 stop22h 20m

Warsaw Frederic Chopin

mar. 3/10

6:30 am-1:10 pm

1 stop14h 40m

$460

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mié. 2/18

1:37 pm-9:30 pm

2 stops22h 53m

Warsaw Frederic Chopin

mié. 3/18

7:20 am-7:20 pm

2 stops20h 00m

$480

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mar. 2/17

6:50 pm-9:40 pm

1 stop17h 50m

Warsaw Frederic Chopin

mar. 3/10

7:35 pm-7:20 pm

2 stops31h 45m

$482

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

dom. 3/1

6:50 pm-9:30 pm

1 stop17h 40m

Warsaw Frederic Chopin

lun. 5/4

6:45 pm-5:10 pm

2 stops31h 25m

$483

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mar. 2/17

8:10 am-12:55 pm

2 stops19h 45m

Warsaw Frederic Chopin

mié. 4/1

7:00 am-12:20 pm

1 stop14h 20m

$487

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mié. 4/15

8:20 pm-11:00 am

1 stop29h 40m

Warsaw Frederic Chopin

mié. 4/29

11:50 am-5:10 pm

2 stops38h 20m

$488

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

dom. 2/22

9:55 am-12:55 pm

2 stops18h 00m

Warsaw Frederic Chopin

mar. 3/10

6:05 am-10:16 pm

2 stops24h 11m

$490

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mar. 2/17

5:37 am-9:40 pm

2 stops31h 03m

Warsaw Frederic Chopin

mar. 3/10

7:35 pm-7:20 pm

2 stops31h 45m

$492

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mié. 4/15

11:16 am-8:45 pm

2 stops24h 29m

Warsaw Frederic Chopin

mar. 4/28

11:55 am-5:10 pm

2 stops38h 15m

$493

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 $521, 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 $759 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

16h 20m

Direct flights

None
The fastest flight from Seattle to Warsaw takes 16h 20m
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 16h 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
FinnairPriceFrom $397Free CancellationRating
7.6
1,351 reviews
Search Finnair flights
British AirwaysPriceFrom $433Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $451Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $536Free CancellationRating
7.4
9,189 reviews
Search United Airlines flights
LufthansaPriceFrom $537Free CancellationRating
6.8
7,736 reviews
Search Lufthansa flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,169 reviews
Search American Airlines flights
KLMPriceFrom $650Free CancellationRating
7.7
1,442 reviews
Search KLM flights
DeltaPriceFrom $682Free CancellationRating
7.9
8,085 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