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$324+ Cheap flights from Seattle (SEA) to Warsaw

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAW
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Warsaw are usually found in September or October, booked 45 days in advance, depart on a Tuesday or Sunday and return on a Sunday

Find flight deals from Seattle to Warsaw

Cheapest flights from Seattle to Warsaw
Explore the most affordable flight options available from Seattle to Warsaw. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/82:05 pmSEA - WAW
2 stops20h 00mScandinavian Airlines
jue. 1/297:45 pmWAW - SEA
2 stops36h 38mScandinavian Airlines
Deal found 10/28$452
This FlightHub deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:10 amSEA - WAW
2 stops22h 10mScandinavian Airlines
vie. 1/97:45 pmWAW - SEA
2 stops35h 40mScandinavian Airlines
Deal found 10/28$482
This Flightnetwork deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2810:05 amSEA - WAW
2 stops21h 10mMultiple Airlines
jue. 12/116:30 amWAW - SEA
2 stops21h 46mMultiple Airlines
Deal found 10/30$501
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2810:05 amSEA - WAW
2 stops17h 50mLufthansa
jue. 12/116:30 amWAW - SEA
1 stop14h 40mLufthansa
Deal found 10/30$511
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/317:10 amSEA - WAW
2 stops26h 55mScandinavian Airlines
lun. 2/23:00 pmWAW - SEA
2 stops40h 25mScandinavian Airlines
Deal found 10/28$516
This CrystalTravel deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2810:05 amSEA - WAW
2 stops17h 50mLufthansa
jue. 1/226:30 amWAW - SEA
1 stop14h 40mLufthansa
Deal found 10/28$518
This KAYAK deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/286:50 pmSEA - WAW
1 stop17h 55mBritish Airways
mié. 12/247:40 pmWAW - SEA
1 stop30h 15mBritish Airways
Deal found 10/28$522
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/510:05 amSEA - WAW
2 stops21h 25mLufthansa
mar. 12/166:30 amWAW - SEA
1 stop14h 40mLufthansa
Deal found 10/28$527
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:05 pmSEA - WMI
1 stop17h 05mMultiple Airlines
lun. 2/25:35 amWMI - SEA
2 stops23h 17mMultiple Airlines
Deal found 10/28$983
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/284:48 pmSEA - WMI
1 stop16h 02mMultiple Airlines
jue. 12/117:55 amWMI - SEA
2 stops48h 24mMultiple Airlines
Deal found 10/30$988
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:05 pmSEA - WMI
1 stop17h 05mMultiple Airlines
dom. 2/17:20 amWMI - SEA
2 stops21h 32mMultiple Airlines
Deal found 10/28$1,059
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:05 pmSEA - WMI
1 stop17h 05mMultiple Airlines
sáb. 1/316:45 amWMI - SEA
2 stops22h 07mMultiple Airlines
Deal found 10/28$1,064

Cheap flight deals from Seattle to Warsaw

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Warsaw (WA1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 30, 2025.

Round-trip from

$452
(FlightHub)

One-way from

$324
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$611
From Seattle/Tacoma Intl to Warsaw
Search Deals
One-way flight from Seattle/Tacoma Intl to Warsaw
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($260 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Seattle to Warsaw that are best for you.

Fly from

Seattle

Fly to

Warsaw

Route

Depart

Return

Price

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mié. 2/11

11:17 am-9:35 am

2 stops37h 18m

Warsaw Frederic Chopin

dom. 2/22

3:20 pm-10:25 pm

2 stops40h 05m

$452

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

vie. 11/28

10:05 am-4:15 pm

2 stops21h 10m

Warsaw Frederic Chopin

jue. 12/11

6:30 am-7:16 pm

2 stops21h 46m

$501

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mié. 2/11

6:50 pm-11:30 am

1 stop31h 40m

Warsaw Frederic Chopin

dom. 2/22

7:55 pm-4:55 pm

1 stop30h 00m

$522

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

vie. 12/5

10:05 am-4:30 pm

2 stops21h 25m

Warsaw Frederic Chopin

mar. 12/16

6:30 am-12:10 pm

1 stop14h 40m

$527

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

lun. 12/8

7:00 am-4:30 pm

2 stops24h 30m

Warsaw Frederic Chopin

jue. 1/29

6:30 am-12:10 pm

1 stop14h 40m

$532

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mié. 11/26

9:25 am-12:55 pm

2 stops18h 30m

Warsaw Frederic Chopin

jue. 12/11

6:30 am-12:10 pm

1 stop14h 40m

$535

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

vie. 11/28

7:00 am-4:15 pm

2 stops24h 15m

Warsaw Frederic Chopin

mar. 12/16

6:30 am-12:10 pm

1 stop14h 40m

$535

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

vie. 11/28

7:00 am-4:15 pm

2 stops24h 15m

Warsaw Frederic Chopin

lun. 12/15

6:30 am-12:10 pm

1 stop14h 40m

$535

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

jue. 11/27

9:59 pm-3:05 pm

2 stops32h 06m

Warsaw Frederic Chopin

sáb. 12/13

12:45 pm-11:50 am

1 stop32h 05m

$537

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

mar. 11/25

9:04 am-4:15 pm

2 stops22h 11m

Warsaw Frederic Chopin

mié. 12/17

6:05 am-1:20 pm

1 stop16h 15m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 39 results
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Best time to book a flight from Seattle to Warsaw

Have a flexible travel schedule? Discover the best time to fly to Warsaw from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Warsaw

How far ahead should I book a flight from Seattle to Warsaw?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Warsaw. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Warsaw, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Warsaw?

Currently, November is the cheapest month in which you can book a flight from Seattle to Warsaw (average of $424). Flying from Seattle to Warsaw in June is currently the most expensive (average of $852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to WAW?

Find hourly flight availability from Seattle to Warsaw. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

It’s optimal to fly from Seattle to Warsaw at noon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seattle to Warsaw?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Warsaw. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Warsaw flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Warsaw

Get insights into the airlines that provide service to Warsaw. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Warsaw. Reviews last updated octubre 30, 2025.
See what other customers who have flown with Delta, KLM, and Scandinavian Airlines from Seattle to Warsaw have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,993 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Scandinavian Airlines
7.4
Good
1,545 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,541 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Warsaw. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Warsaw?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Warsaw from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Warsaw should be relatively easy as there are 0 daily outbound flights to Warsaw from 9 different airlines.

  • How long is the flight from Seattle to Warsaw?

    A quick flight from Seattle to Warsaw can take about 21h 25m. Scandinavian Airlines provides one of the quickest options available for as low as $527. Seattle and Warsaw are separated by a distance of 5217 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Warsaw round-trip?

    Finnair, at $397, was found to be the cheapest airline from Seattle to Warsaw.Alternate airlines to your destination round-trip include British Airways and Scandinavian Airlines. Users have found that Finnair is 49% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Warsaw that include hotel bookings?

    Yes. In addition to deals on Seattle to Warsaw flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Warsaw?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Warsaw.

  • Can I find deals for business class flights from Seattle to Warsaw?

    Yes. Cheapflights offers flight deals from Seattle to Warsaw by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Warsaw?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Warsaw (average of $424). Flying from Seattle to Warsaw in June is currently the most expensive (average of $852). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Seattle to Warsaw

Discover the top 9 airlines that operate flights from Seattle to Warsaw. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$397Average$887FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$433Average$787FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$452Average$687FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$545Average$875FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$567Average$863FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$589Average$687FlexibilityNo cancel feeOn-time71%
KLMCheapest$650Average$834FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$678Average$778FlexibilityNo cancel feeOn-time77%
DeltaCheapest$682Average$1,134FlexibilityNo cancel feeOn-timeN/A

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