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$328+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAW
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$533
(FlightHub)

One-way from

$328
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$742
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. 16% potential increase in price ($182 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/27. 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.
Tue 10/710:55 pmSEA - WAW
2 stops37h 45mScandinavian Airlines
Tue 10/143:00 pmWAW - SEA
1 stop32h 00mScandinavian Airlines
Deal found 3/27$500
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Mon 5/264:00 pmSEA - WAW
1 stop31h 25mMultiple Airlines
Wed 6/1110:15 amWAW - SEA
1 stop12h 35mMultiple Airlines
Deal found 3/26$661
This British Airways deal was found by Cheapflights users on 3/26. 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.
Sun 11/306:50 pmSEA - WAW
1 stop15h 00mBritish Airways
Fri 1/97:40 amWAW - SEA
1 stop18h 15mBritish Airways
Deal found 3/26$665
This American Airlines deal was found by Cheapflights users on 3/26. 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 12/16:50 pmSEA - WAW
1 stop14h 55mAmerican Airlines
Sun 1/118:55 amWAW - SEA
2 stops19h 08mAmerican Airlines
Deal found 3/26$688
This United Airlines deal was found by Cheapflights users on 3/27. 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 3/2911:59 pmSEA - WAW
2 stops27h 31mUnited Airlines
Tue 4/86:35 amWAW - SEA
1 stop14h 50mUnited Airlines
Deal found 3/27$706
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/295:40 pmSEA - WAW
1 stop19h 30mKLM
Tue 4/87:40 pmWAW - SEA
1 stop29h 20mKLM
Deal found 3/27$746
This Lufthansa deal was found by Cheapflights users on 3/26. 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.
Wed 12/102:00 pmSEA - WAW
1 stop18h 50mLufthansa
Fri 1/96:05 amWAW - SEA
1 stop16h 15mLufthansa
Deal found 3/26$752
This SWISS deal was found by Cheapflights users on 3/26. 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.
Tue 12/22:00 pmSEA - WAW
2 stops19h 55mSWISS
Mon 1/122:30 pmWAW - SEA
2 stops39h 29mSWISS
Deal found 3/26$758
This Air Canada deal was found by Cheapflights users on 3/26. 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.
Sun 12/711:35 amSEA - WAW
2 stops36h 25mAir Canada
Fri 1/96:05 amWAW - SEA
2 stops37h 35mAir Canada
Deal found 3/26$760
This Finnair deal was found by Cheapflights users on 3/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/195:40 pmSEA - WAW
1 stop17h 45mFinnair
Thu 5/291:00 pmWAW - SEA
1 stop12h 00mFinnair
Deal found 3/27$782
This Travelocity deal was found by Cheapflights users on 3/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:30 pmSEA - WAW
1 stop19h 00mIberia
Sat 9/276:50 pmWAW - SEA
1 stop25h 40mIberia
Deal found 3/27$865
This Delta deal was found by Cheapflights users on 3/27. 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 7/2911:15 amSEA - WAW
2 stops20h 10mDelta
Wed 8/136:05 amWAW - SEA
2 stops25h 18mDelta
Deal found 3/27$903

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 March 28, 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

Wed 5/21

4:00 pm-9:35 am

1 stop32h 35m

Warsaw Frederic Chopin

Tue 6/10

7:45 pm-1:50 pm

1 stop27h 05m

$533

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 5/26

4:00 pm-8:25 am

1 stop31h 25m

Warsaw Frederic Chopin

Wed 6/11

10:15 am-1:50 pm

1 stop12h 35m

$661

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 5/19

5:40 pm-8:25 pm

1 stop17h 45m

Warsaw Frederic Chopin

Thu 5/29

1:00 pm-4:00 pm

1 stop12h 00m

$782

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/16

1:30 pm-5:10 pm

1 stop18h 40m

Warsaw Frederic Chopin

Wed 4/23

6:20 pm-11:35 am

1 stop26h 15m

$807

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 5/19

5:35 am-6:40 pm

2 stops28h 05m

Warsaw Frederic Chopin

Thu 5/29

6:25 am-7:37 pm

2 stops22h 12m

$811

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 5/20

2:20 pm-5:30 pm

2 stops18h 10m

Warsaw Frederic Chopin

Tue 6/10

8:55 am-7:10 pm

2 stops19h 15m

$891

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Tue 5/20

7:00 pm-9:25 pm

2 stops17h 25m

Warsaw Modlin

Sun 6/8

9:05 am-1:50 pm

1 stop13h 45m

$925

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 5/25

6:35 pm-6:25 pm

1 stop14h 50m

Warsaw Frederic Chopin

Fri 6/20

6:00 am-3:55 pm

1 stop18h 55m

$938

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Thu 5/22

7:10 pm-9:30 am

1 stop29h 20m

Warsaw Frederic Chopin

Wed 6/18

6:55 pm-10:35 am

1 stop24h 40m

$974

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sat 5/24

5:40 am-6:15 pm

2 stops27h 35m

Warsaw Frederic Chopin

Sun 6/1

9:40 am-12:59 am

2 stops24h 19m

$1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 16 results
1
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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 March 21, 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 $1,122). 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 March 28, 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 March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

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
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

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
1,570 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

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.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

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.
Turkish Airlines
7.3
Good
3,744 reviews
Delta
8.0
Very good
7,896 reviews

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

8.0

Boarding

8.2

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 8 different airlines.

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

    Scandinavian Airlines, at $533, was found to be the cheapest airline from Seattle to Warsaw.Alternate airlines to your destination round-trip include Finnair and British Airways. Users have found that Scandinavian Airlines is 41% 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 British Airways. According to our data, you can fly for as low as $605. Users have also found prices from $624 and $626 on United Airlines and Delta, 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 $1,122). 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 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$423Average$1,218FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$466Average$1,226FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$547Average$818FlexibilityNo cancel feeOn-time70%
DeltaCheapest$557Average$1,083FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$573Average$1,097FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$648Average$873FlexibilityNo cancel feeOn-time76%
KLMCheapest$654Average$1,043FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$678Average$937FlexibilityNo cancel feeOn-time77%
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