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$348+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAW
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Warsaw are usually found in November or February, booked 15 days in advance, depart on a Tuesday or Sunday and return on a Sunday

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 April 17, 2025.

Round-trip from

$693
(Air Canada)

One-way from

$379
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$840
From Seattle/Tacoma Intl to Warsaw
Search Deals
One-way flight from Seattle/Tacoma Intl to Warsaw
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Highest demand for flights based on searches. 15% potential increase in price ($170 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This Air Canada deal was found by Cheapflights users on 4/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:20 amSEA - WAW
2 stops25h 55mAir Canada
Thu 9/116:25 amWAW - SEA
2 stops22h 06mAir Canada
Deal found 4/15$693
This SWISS deal was found by Cheapflights users on 4/15. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:20 pmSEA - WAW
1 stop17h 35mSWISS
Mon 9/152:55 pmWAW - SEA
2 stops36h 41mSWISS
Deal found 4/15$695
This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:30 amSEA - WAW
2 stops25h 45mMultiple Airlines
Tue 5/279:45 amWAW - SEA
2 stops21h 28mMultiple Airlines
Deal found 4/17$698
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:30 pmSEA - WAW
1 stop22h 30mAmerican Airlines
Wed 5/281:00 pmWAW - SEA
1 stop12h 00mAmerican Airlines
Deal found 4/16$701
This United Airlines deal was found by Cheapflights users on 4/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:51 pmSEA - WAW
2 stops21h 09mUnited Airlines
Fri 9/126:00 amWAW - SEA
1 stop19h 59mUnited Airlines
Deal found 4/15$705
This StudentUniverse deal was found by Cheapflights users on 4/17. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:30 pmSEA - WAW
2 stops19h 55mFinnair
Wed 5/288:55 amWAW - SEA
1 stop16h 05mFinnair
Deal found 4/17$706
This British Airways deal was found by Cheapflights users on 4/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:20 pmSEA - WAW
1 stop15h 45mBritish Airways
Fri 9/128:30 amWAW - SEA
1 stop18h 50mBritish Airways
Deal found 4/15$714
This KAYAK deal was found by Cheapflights users on 4/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:55 amSEA - WAW
2 stops22h 10mScandinavian Airlines
Mon 5/198:00 pmWAW - SEA
2 stops36h 17mScandinavian Airlines
Deal found 4/17$721
This Austrian Airlines deal was found by Cheapflights users on 4/15. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:00 amSEA - WAW
2 stops39h 40mAustrian Airlines
Tue 9/166:50 amWAW - SEA
2 stops20h 59mAustrian Airlines
Deal found 4/15$722
This Delta deal was found by Cheapflights users on 4/15. 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.
Tue 9/91:55 pmSEA - WAW
1 stop20h 00mDelta
Sun 9/146:00 amWAW - SEA
2 stops25h 23mDelta
Deal found 4/15$724
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:30 amSEA - WAW
2 stops48h 35mBrussels Airlines
Fri 6/66:50 amWAW - SEA
2 stops21h 03mBrussels Airlines
Deal found 4/16$745
This Lufthansa deal was found by Cheapflights users on 4/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:20 pmSEA - WAW
1 stop18h 55mLufthansa
Wed 9/106:40 amWAW - SEA
1 stop14h 15mLufthansa
Deal found 4/17$793

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 April 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

Thu 9/4

7:20 am-6:15 pm

2 stops25h 55m

Warsaw Frederic Chopin

Thu 9/11

6:25 am-7:31 pm

2 stops22h 06m

$693

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 9/6

4:20 pm-6:55 pm

1 stop17h 35m

Warsaw Frederic Chopin

Mon 9/15

2:55 pm-6:36 pm

2 stops36h 41m

$695

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 5/12

5:30 am-4:15 pm

2 stops25h 45m

Warsaw Frederic Chopin

Tue 5/27

9:45 am-10:13 pm

2 stops21h 28m

$698

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 8/6

5:40 pm-6:25 pm

1 stop15h 45m

Warsaw Frederic Chopin

Sat 8/30

8:55 am-9:15 pm

2 stops21h 20m

$702

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Thu 9/4

3:51 pm-10:00 pm

2 stops21h 09m

Warsaw Frederic Chopin

Fri 9/12

6:00 am-4:59 pm

1 stop19h 59m

$705

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 5/12

1:30 pm-6:25 pm

2 stops19h 55m

Warsaw Frederic Chopin

Wed 5/28

8:55 am-4:00 pm

1 stop16h 05m

$706

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Thu 9/4

8:20 pm-9:05 pm

1 stop15h 45m

Warsaw Frederic Chopin

Wed 9/10

8:25 am-11:35 am

1 stop36h 10m

$714

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 5/7

11:55 am-7:05 pm

2 stops22h 10m

Warsaw Frederic Chopin

Mon 5/19

8:00 pm-11:17 pm

2 stops36h 17m

$721

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 9/6

7:00 am-7:40 am

2 stops39h 40m

Warsaw Frederic Chopin

Tue 9/16

6:50 am-6:49 pm

2 stops20h 59m

$722

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 5/5

11:30 am-9:05 pm

2 stops48h 35m

Warsaw Frederic Chopin

Fri 6/6

6:50 am-6:53 pm

2 stops21h 03m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 24 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 April 11, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Warsaw, you should look to book at least 15 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, January is the cheapest month in which you can book a flight from Seattle to Warsaw (average of $576). Flying from Seattle to Warsaw in June is currently the most expensive (average of $1,116). 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 April 17, 2025.

It’s optimal to fly from Seattle to Warsaw in the evening. By choosing this option you can save up to 9% 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.

Rainfall in Warsaw by month

Plan your trip to Warsaw by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Warsaw ranges from 0.8 - 2.8 inches per month. July is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Warsaw when rainfall is around 0.8 in.

Temperature in Warsaw by month

Plan your trip to Warsaw by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Warsaw, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 17, 2025.
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Air Canada, at $693, was found to be the cheapest airline from Seattle to Warsaw.Alternate airlines to your destination round-trip include SWISS and American Airlines. Users have found that Air Canada is 23% 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 $439. Users have also found prices from $603 and $622 on British Airways and Air France, 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, January is the cheapest month in which you can book a flight from Seattle to Warsaw (average of $576). Flying from Seattle to Warsaw in June is currently the most expensive (average of $1,116). 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

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$423Average$1,218FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$466Average$1,226FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$547Average$819FlexibilityNo cancel feeOn-time70%
DeltaCheapest$557Average$1,085FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$573Average$1,085FlexibilityNo cancel feeOn-time69%
FinnairCheapest$581Average$886FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$639Average$859FlexibilityNo cancel feeOn-time76%
KLMCheapest$654Average$1,028FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$678Average$937FlexibilityNo cancel feeOn-time77%

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