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$362+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAW
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
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

Cheap 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 December 17, 2025.

This Air France deal was found by Cheapflights users on 12/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:05 pmSEA - WAW
1 stop23h 00mAir France
Fri 1/96:35 amWAW - SEA
1 stop15h 50mAir France
Deal found 12/16$706
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:05 pmSEA - WAW
1 stop17h 15mDelta
Fri 1/96:05 amWAW - SEA
2 stops21h 24mDelta
Deal found 12/15$710
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Wed 12/313:10 pmSEA - WAW
1 stop12h 45mLufthansa
Fri 1/97:15 amWAW - SEA
1 stop15h 05mLufthansa
Deal found 12/17$793
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Wed 12/317:10 amSEA - WAW
2 stops22h 10mScandinavian Airlines
Fri 1/93:00 pmWAW - SEA
2 stops40h 13mScandinavian Airlines
Deal found 12/17$808
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Sat 12/2710:30 amSEA - WAW
2 stops19h 10mScandinavian Airlines
Sun 1/117:45 pmWAW - SEA
2 stops35h 40mScandinavian Airlines
Deal found 12/17$946
This FlightHub deal was found by Cheapflights users on 12/17. 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.
Sat 12/2710:30 amSEA - WAW
2 stops19h 10mScandinavian Airlines
Fri 1/93:00 pmWAW - SEA
2 stops40h 13mScandinavian Airlines
Deal found 12/17$1,012
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:12 pmSEA - WAW
2 stops33h 38mUnited Airlines
Fri 1/96:40 amWAW - SEA
1 stop14h 30mUnited Airlines
Deal found 12/16$1,069
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Fri 12/198:05 pmSEA - WMI
1 stop35h 20mMultiple Airlines
Thu 1/110:45 pmWMI - SEA
2 stops34h 14mMultiple Airlines
Deal found 12/15$3,336

Find 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 December 17, 2025.

Round-trip from

$511
(oojo)

One-way from

$362
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$885
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 ($261 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 17, 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

Sun 1/18

3:10 pm-4:30 pm

1 stop16h 20m

Warsaw Frederic Chopin

Sun 2/1

2:30 pm-12:10 pm

1 stop30h 40m

$514

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 5/4

3:21 pm-9:00 pm

2 stops20h 39m

Warsaw Frederic Chopin

Tue 5/12

8:55 am-4:00 pm

1 stop16h 05m

$529

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 2/17

10:55 am-12:55 pm

2 stops17h 00m

Warsaw Frederic Chopin

Tue 3/10

6:30 am-1:10 pm

1 stop14h 40m

$529

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 1/14

7:00 am-12:55 pm

2 stops20h 55m

Warsaw Frederic Chopin

Mon 1/26

6:30 am-12:10 pm

1 stop14h 40m

$530

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 2/17

6:50 pm-11:35 am

1 stop31h 45m

Warsaw Frederic Chopin

Tue 3/10

1:00 pm-5:55 pm

1 stop36h 55m

$531

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 2/16

6:50 pm-11:50 am

1 stop32h 00m

Warsaw Frederic Chopin

Mon 3/16

1:05 pm-5:55 pm

1 stop36h 50m

$531

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Fri 2/6

2:10 pm-4:30 pm

2 stops17h 20m

Warsaw Frederic Chopin

Fri 2/27

6:05 am-1:20 pm

1 stop16h 15m

$531

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Tue 5/5

6:45 pm-11:30 pm

1 stop19h 45m

Warsaw Modlin

Tue 5/12

10:30 am-4:59 pm

1 stop15h 29m

$705

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Sun 1/18

4:45 pm-12:25 am

1 stop22h 40m

Warsaw Modlin

Sun 2/1

1:00 pm-2:19 pm

2 stops58h 19m

$851

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 2/15

11:08 pm-10:00 am

3 stops49h 52m

$362

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 23 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 December 12, 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 $425). Flying from Seattle to Warsaw in June is currently the most expensive (average of $793). 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 December 17, 2025.

It’s optimal to fly from Seattle to Warsaw in the evening. By choosing this option you can save up to 17% 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 Friday evenings 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 December 17, 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
8,006 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,006 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,430 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.4
Good
1,606 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,634 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,583 reviews
Delta
7.9
Good
8,006 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 8 different airlines.

  • How long is the flight from Seattle to Warsaw?

    A quick flight from Seattle to Warsaw can take about 16h 20m. Lufthansa provides one of the quickest options available for as low as $514. 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?

    British Airways, at $433, was found to be the cheapest airline from Seattle to Warsaw.Alternate airlines to your destination round-trip include Scandinavian Airlines and Lufthansa. Users have found that British Airways is 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Warsaw one-way?

    For one-way options, check prices for Scandinavian Airlines. According to our data, you can fly for as low as $279. Users have also found prices from $307 and $417 on Delta and Lufthansa, respectively.

  • 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 $425). Flying from Seattle to Warsaw in June is currently the most expensive (average of $793). 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

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Top 8 airlines flying from Seattle to Warsaw

Discover the top 8 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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$397Average$886FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$433Average$806FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$451Average$645FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$537Average$837FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$545Average$1,087FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$589Average$687FlexibilityNo cancel feeOn-time71%
KLMCheapest$650Average$834FlexibilityNo cancel feeOn-time75%
DeltaCheapest$682Average$1,115FlexibilityNo cancel feeOn-timeN/A

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