HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$457+ Cheap flights from Warsaw to Seattle (SEA)

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
WAW — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Warsaw to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Warsaw to Seattle/Tacoma Intl are usually found in February or May, booked 80 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Warsaw to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Warsaw (WA1) to Seattle (SEA). 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 June 12, 2025.

Round-trip from

$639
(Trip.com)

One-way from

$457
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$962
From Warsaw to Seattle/Tacoma Intl
Search Deals
One-way flight from Warsaw to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Warsaw to Seattle

Cheapest flights from Warsaw to Seattle
Explore the most affordable flight options available from Warsaw to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:40 amWAW - SEA
2 stops20h 10mMultiple Airlines
Mon 9/87:00 pmSEA - WAW
2 stops19h 00mMultiple Airlines
Deal found 6/11$639
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
Sun 9/710:15 amWAW - SEA
1 stop12h 35mScandinavian Airlines
Wed 10/84:20 pmSEA - WAW
1 stop13h 00mScandinavian Airlines
Deal found 6/11$809
This FlightHub deal was found by Cheapflights users on 6/10. 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 8/2010:50 amWAW - SEA
1 stop32h 45mTurkish Airlines
Wed 2/47:00 pmSEA - WAW
1 stop28h 40mTurkish Airlines
Deal found 6/10$830
This Finnair deal was found by Cheapflights users on 6/12. 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 7/131:00 pmWAW - SEA
1 stop12h 00mFinnair
Sat 7/265:40 pmSEA - WAW
1 stop15h 45mFinnair
Deal found 6/12$883
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:55 amWAW - SEA
1 stop15h 25mBritish Airways
Tue 9/301:07 pmSEA - WAW
2 stops19h 23mBritish Airways
Deal found 6/11$884
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Sun 9/77:35 pmWAW - SEA
2 stops34h 05mIcelandair
Wed 10/83:45 pmSEA - WAW
2 stops18h 20mIcelandair
Deal found 6/10$909
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/208:55 amWAW - SEA
1 stop16h 05mAmerican Airlines
Wed 2/41:40 pmSEA - WAW
2 stops20h 10mAmerican Airlines
Deal found 6/10$949
This ResecentrumGruppen deal was found by Cheapflights users on 6/10. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:30 amWAW - SEA
1 stop14h 40mLufthansa
Sat 1/102:00 pmSEA - WAW
1 stop14h 45mLufthansa
Deal found 6/10$957
This ResecentrumGruppen deal was found by Cheapflights users on 6/11. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:30 pmWAW - SEA
2 stops52h 46mAir Canada
Sat 1/103:10 pmSEA - WAW
2 stops36h 40mAir Canada
Deal found 6/11$959
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 9/612:25 pmWAW - SEA
2 stops15h 35mDelta
Sat 9/2711:15 amSEA - WAW
2 stops20h 05mDelta
Deal found 6/10$961
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 7/26:40 amWAW - SEA
2 stops27h 19mUnited Airlines
Fri 9/51:55 pmSEA - WAW
2 stops19h 20mUnited Airlines
Deal found 6/11$967
This SWISS deal was found by Cheapflights users on 6/11. 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 7/17:40 pmWAW - SEA
2 stops31h 56mSWISS
Mon 7/211:45 pmSEA - WAW
2 stops20h 10mSWISS
Deal found 6/11$992

Cheapflights Fare Finder

Customize your flight search to find flights from Warsaw to Seattle 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 June 12, 2025.
Use the filters below to find and compare flights from Warsaw to Seattle that are best for you.

Fly from

Warsaw

Fly to

Seattle

Route

Depart

Return

Price

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Mon 9/1

6:40 am-5:50 pm

2 stops20h 10m

Seattle/Tacoma Intl

Mon 9/8

7:00 pm-11:00 pm

2 stops19h 00m

$639

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Sun 9/7

10:15 am-1:50 pm

1 stop12h 35m

Seattle/Tacoma Intl

Wed 10/8

4:20 pm-2:20 pm

1 stop13h 00m

$809

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Wed 8/20

10:50 am-10:35 am

1 stop32h 45m

Seattle/Tacoma Intl

Wed 2/4

7:00 pm-8:40 am

1 stop28h 40m

$830

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Sun 7/13

1:00 pm-4:00 pm

1 stop12h 00m

Seattle/Tacoma Intl

Sat 7/26

5:40 pm-6:25 pm

1 stop15h 45m

$883

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Tue 9/23

11:55 am-6:20 pm

1 stop15h 25m

Seattle/Tacoma Intl

Tue 9/30

1:07 pm-5:30 pm

2 stops19h 23m

$884

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Sun 9/7

7:35 pm-8:40 pm

2 stops34h 05m

Seattle/Tacoma Intl

Wed 10/8

3:45 pm-7:05 pm

2 stops18h 20m

$909

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Wed 8/20

8:55 am-4:00 pm

1 stop16h 05m

Seattle/Tacoma Intl

Wed 2/4

1:40 pm-6:50 pm

2 stops20h 10m

$949

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Sat 9/6

12:25 pm-7:00 pm

2 stops15h 35m

Seattle/Tacoma Intl

Sat 9/27

11:15 am-4:20 pm

2 stops20h 05m

$961

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Wed 7/23

6:40 am-11:55 am

1 stop14h 15m

Seattle/Tacoma Intl

Fri 10/24

7:00 am-12:30 pm

2 stops20h 30m

$962

WarsawSeattle

WAW - SEA

WAWSEA

Warsaw Frederic Chopin

Wed 7/2

6:40 am-11:00 am

2 stops37h 20m

Seattle/Tacoma Intl

Tue 9/2

7:15 am-4:15 pm

2 stops24h 00m

$963

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 20 results
1
2

Best time to book a flight from Warsaw to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Warsaw 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 Warsaw to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Warsaw to Seattle. Price data was last updated on June 9, 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Warsaw to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Warsaw to Seattle (average of $238). Flying from Warsaw to Seattle in July is currently the most expensive (average of $391). 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 WAW to SEA?

Find hourly flight availability from Warsaw to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from Warsaw to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 9% on airfare.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Warsaw to Seattle. 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 into for flights to Seattle from Warsaw?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Warsaw. On average, Seattle/Tacoma Intl has 0 inbound flights from Warsaw per day from 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

    Our cheapest airline available from Warsaw to Seattle is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $809 on this airline. Additional options worth looking into are Turkish Airlines and Finnair, starting at $830 and $883 round-trip. These flights start at 15% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $1,010 on Icelandair. Other airlines that offer cheap prices include Lufthansa from $1,073 and Delta from $1,114 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Warsaw to Seattle 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 Warsaw to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Warsaw to Seattle (average of $238). Flying from Warsaw to Seattle in July is currently the most expensive (average of $391). 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

Traveling to a place near Warsaw?

Book flights to Warsaw if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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 8 airlines flying from Warsaw to Seattle

Discover the top 8 airlines that operate flights from Warsaw to Seattle. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$671Average$864FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$698Average$741FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$713Average$896FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$794Average$993FlexibilityNo cancel feeOn-time71%
FinnairCheapest$831Average$857FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$838Average$972FlexibilityNo cancel feeOn-time76%
DeltaCheapest$865Average$1,047FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$876Average$1,060FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.