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$369+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WAW
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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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 February 22, 2025.

Round-trip from

$557
(American Airlines)

One-way from

$369
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$683
From Seattle/Tacoma Intl to Warsaw
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One-way flight from Seattle/Tacoma Intl to Warsaw
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Highest demand for flights based on searches. 18% potential increase in price ($210 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This American Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 3/111:25 pmSEA - WAW
2 stops21h 20mAmerican Airlines
Tue 3/188:55 amWAW - SEA
2 stops22h 14mAmerican Airlines
Deal found 2/21$557
This Finnair deal was found by Cheapflights users on 2/22. 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.
Sun 3/97:50 pmSEA - WAW
1 stop17h 45mMultiple Airlines
Mon 3/241:05 pmWAW - SEA
2 stops31h 15mMultiple Airlines
Deal found 2/22$559
This British Airways deal was found by Cheapflights users on 2/21. 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 3/97:50 pmSEA - WAW
1 stop17h 45mBritish Airways
Mon 3/244:25 pmWAW - SEA
1 stop27h 55mBritish Airways
Deal found 2/21$561
This KLM deal was found by Cheapflights users on 2/21. 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.
Tue 3/113:15 pmSEA - WAW
1 stop16h 55mKLM
Tue 3/1812:45 pmWAW - SEA
1 stop31h 55mKLM
Deal found 2/21$562
This Delta deal was found by Cheapflights users on 2/21. 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 3/118:15 amSEA - WAW
2 stops19h 45mDelta
Tue 3/186:05 amWAW - SEA
1 stop14h 35mDelta
Deal found 2/21$566
This Gotogate deal was found by Cheapflights users on 2/21. 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 3/173:00 pmSEA - WAW
1 stop18h 50mLufthansa
Thu 3/276:35 amWAW - SEA
1 stop14h 35mLufthansa
Deal found 2/21$569
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Mon 3/176:15 amSEA - WAW
3 stops22h 25mUnited Airlines
Thu 3/279:35 amWAW - SEA
2 stops43h 55mUnited Airlines
Deal found 2/21$572
This Air Canada deal was found by Cheapflights users on 2/21. 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 3/236:05 amSEA - WAW
2 stops23h 40mAir Canada
Sun 3/309:40 amWAW - SEA
2 stops20h 46mAir Canada
Deal found 2/21$690
This Gotogate deal was found by Cheapflights users on 2/21. 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.
Sun 8/244:00 pmSEA - WAW
1 stop13h 20mScandinavian Airlines
Sun 8/317:45 pmWAW - SEA
1 stop27h 05mScandinavian Airlines
Deal found 2/21$698
This StudentUniverse deal was found by Cheapflights users on 2/21. 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.
Wed 4/231:35 pmSEA - WAW
2 stops21h 50mFinnair
Wed 5/78:55 amWAW - SEA
1 stop16h 05mFinnair
Deal found 2/21$779
This Kiwi.com deal was found by Cheapflights users on 2/22. 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 3/107:50 pmSEA - WMI
1 stop17h 15mMultiple Airlines
Wed 3/263:50 pmWMI - SEA
2 stops39h 33mMultiple Airlines
Deal found 2/22$1,007
This FlightHub deal was found by Cheapflights users on 2/21. 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 5/277:10 pmSEA - WAW
1 stop29h 30mTurkish Airlines
Wed 7/210:35 amWAW - SEA
1 stop33h 00mTurkish Airlines
Deal found 2/21$1,137

Find flights from Seattle to Warsaw within your budget

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 February 22, 2025.

Fly from

Seattle

Fly to

Warsaw

Route

Depart

Return

Price

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 3/11

1:25 pm-6:45 pm

2 stops21h 20m

Warsaw Frederic Chopin

Tue 3/18

8:55 am-11:09 pm

2 stops22h 14m

$557

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-9:35 pm

1 stop17h 45m

Warsaw Frederic Chopin

Mon 3/24

1:05 pm-12:20 pm

2 stops31h 15m

$559

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 3/9

7:50 pm-9:35 pm

1 stop17h 45m

Warsaw Frederic Chopin

Mon 3/24

4:25 pm-12:20 pm

1 stop27h 55m

$561

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 3/11

3:15 pm-4:10 pm

1 stop16h 55m

Warsaw Frederic Chopin

Tue 3/18

12:45 pm-12:40 pm

1 stop31h 55m

$562

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Tue 3/11

8:15 am-12:00 pm

2 stops19h 45m

Warsaw Frederic Chopin

Tue 3/18

6:05 am-12:40 pm

1 stop14h 35m

$566

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 3/17

3:00 pm-5:50 pm

1 stop18h 50m

Warsaw Frederic Chopin

Thu 3/27

6:35 am-1:10 pm

1 stop14h 35m

$569

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Mon 3/17

6:15 am-12:40 pm

3 stops22h 25m

Warsaw Frederic Chopin

Thu 3/27

9:35 am-9:30 pm

2 stops43h 55m

$572

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Sun 3/23

6:05 am-1:45 pm

2 stops23h 40m

Warsaw Frederic Chopin

Sun 3/30

9:40 am-9:26 pm

2 stops20h 46m

$690

SeattleWarsaw

SEA - WAW

SEAWAW

Seattle/Tacoma Intl

Wed 4/23

1:35 pm-8:25 pm

2 stops21h 50m

Warsaw Frederic Chopin

Wed 5/7

8:55 am-4:00 pm

1 stop16h 05m

$779

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Mon 3/10

7:50 pm-9:05 pm

1 stop17h 15m

Warsaw Modlin

Wed 3/26

3:50 pm-11:23 pm

2 stops39h 33m

$1,007

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

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.

Travel insights for flights from Seattle to Warsaw

Get recent, data-driven insights about flights from Seattle to Warsaw including ideal travel times, pricing trends, and more.

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 February 14, 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 $1,154). 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 February 22, 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 February 22, 2025.
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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
8,203 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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.

KLM
7.8
Good
1,330 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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
1,271 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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
8,754 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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
3,825 reviews
Delta
8.0
Very good
8,203 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

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?

    American Airlines, at $557, was found to be the cheapest airline from Seattle to Warsaw.Alternate airlines to your destination round-trip include British Airways and KLM. Users have found that American Airlines is 39% 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 Lufthansa. According to our data, you can fly for as low as $437. Users have also found prices from $454 and $502 on British Airways and American Airlines, 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 $1,154). 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$423Average$1,218FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$466Average$1,226FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$547Average$843FlexibilityNo cancel feeOn-time70%
DeltaCheapest$557Average$1,084FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$584Average$714FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$589Average$840FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$597Average$884FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$632Average$990FlexibilityNo cancel feeOn-time76%
KLMCheapest$640Average$1,024FlexibilityNo cancel feeOn-time75%
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