HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$393+ Cheap flights from Modlin (WMI) 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
WMI — SEA
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Modlin 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.

Cheap flight deals from Modlin to Seattle

Cheapest flights from Modlin to Seattle
Explore the most affordable flight options available from Modlin to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. 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 4/2710:50 pm
WMI
-
SEA
2 stops26h 10m
Multiple Airlines
Tue 5/125:40 pm
SEA
-
WMI
1 stop22h 05m
Multiple Airlines
Deal found 1/25$725
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:05 pm
WMI
-
SEA
2 stops55h 04m
Multiple Airlines
Mon 3/239:05 pm
SEA
-
WMI
1 stop16h 35m
Multiple Airlines
Deal found 1/27$876
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/410:50 pm
WMI
-
SEA
2 stops26h 10m
Multiple Airlines
Tue 6/23:55 pm
SEA
-
WMI
1 stop12h 00m
Multiple Airlines
Deal found 1/26$919
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sat 6/69:05 pm
WMI
-
SEA
2 stops27h 55m
Multiple Airlines
Sat 6/206:55 pm
SEA
-
WMI
1 stop21h 20m
Multiple Airlines
Deal found 1/25$940
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Sat 6/69:05 pm
WMI
-
SEA
2 stops27h 55m
Multiple Airlines
Tue 6/233:55 pm
SEA
-
WMI
1 stop12h 00m
Multiple Airlines
Deal found 1/25$990
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sat 3/146:15 am
WMI
-
SEA
2 stops21h 03m
Multiple Airlines
Mon 3/169:05 pm
SEA
-
WMI
1 stop16h 35m
Multiple Airlines
Deal found 1/26$992
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/126:10 am
WMI
-
SEA
2 stops38h 15m
Multiple Airlines
Sat 2/286:25 pm
SEA
-
WMI
1 stop21h 00m
Multiple Airlines
Deal found 1/26$1,009
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Fri 3/137:30 pm
WMI
-
SEA
2 stops25h 40m
Multiple Airlines
Mon 3/169:05 pm
SEA
-
WMI
1 stop16h 35m
Multiple Airlines
Deal found 1/26$1,014
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Wed 2/184:30 pm
WMI
-
SEA
2 stops32h 10m
Multiple Airlines
Mon 3/169:05 pm
SEA
-
WMI
1 stop16h 35m
Multiple Airlines
Deal found 1/26$1,023
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/196:45 am
WMI
-
SEA
2 stops19h 15m
Multiple Airlines
Thu 3/54:45 pm
SEA
-
WMI
1 stop16h 25m
Multiple Airlines
Deal found 1/26$1,037

Find flight deals from Modlin to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Modlin (WMI) 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 January 27, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
2 stars

Round-trip from

$876
(Kiwi.com)

One-way from

$393
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,009
Provider with most accurate pricing for Warsaw Modlin-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Warsaw Modlin-Seattle/Tacoma Intl flights.
Search Deals
From Warsaw Modlin to Seattle/Tacoma Intl
Search Deals
One-way flight from Warsaw Modlin to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Modlin 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 January 27, 2026.
Use the filters below to find and compare flights from Warsaw Modlin Airport to Seattle that are best for you.

Fly from

Modlin

Fly to

Seattle

Route

Depart

Return

Price

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Mon 4/27

10:50 pm-4:00 pm

2 stops26h 10m

Seattle/Tacoma Intl

Tue 5/12

5:40 pm-12:45 am

1 stop22h 05m

$725

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Mon 3/9

6:05 pm-5:09 pm

2 stops55h 04m

Seattle/Tacoma Intl

Mon 3/23

9:05 pm-9:40 pm

1 stop16h 35m

$876

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Mon 5/4

10:50 pm-4:00 pm

2 stops26h 10m

Seattle/Tacoma Intl

Tue 6/2

3:55 pm-12:55 pm

1 stop12h 00m

$919

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Sat 6/6

9:05 pm-4:00 pm

2 stops27h 55m

Seattle/Tacoma Intl

Sat 6/20

6:55 pm-1:15 am

1 stop21h 20m

$940

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Sat 6/6

9:05 pm-4:00 pm

2 stops27h 55m

Seattle/Tacoma Intl

Tue 6/23

3:55 pm-12:55 pm

1 stop12h 00m

$990

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Thu 2/12

6:10 am-11:25 am

2 stops38h 15m

Seattle/Tacoma Intl

Sat 2/28

6:25 pm-12:25 am

1 stop21h 00m

$1,009

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Fri 3/13

7:30 pm-1:10 pm

2 stops25h 40m

Seattle/Tacoma Intl

Mon 3/16

9:05 pm-9:40 pm

1 stop16h 35m

$1,014

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Wed 2/18

4:30 pm-3:40 pm

2 stops32h 10m

Seattle/Tacoma Intl

Mon 3/16

9:05 pm-9:40 pm

1 stop16h 35m

$1,023

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Thu 2/19

6:45 am-5:00 pm

2 stops19h 15m

Seattle/Tacoma Intl

Thu 3/5

4:45 pm-6:10 pm

1 stop16h 25m

$1,037

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Thu 2/26

6:45 am-7:57 pm

2 stops22h 12m

Seattle/Tacoma Intl

Mon 3/16

9:05 pm-9:40 pm

1 stop16h 35m

$1,044

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Warsaw Modlin Airport-Seattle flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Warsaw Modlin Airport-Seattle flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Warsaw Modlin Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Warsaw Modlin Airport-Seattle flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Warsaw Modlin Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Modlin to Seattle

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

Related info for your journey

Find useful and relevant information for your journey from Modlin 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 Modlin?

    If you book a flight to Seattle from Warsaw Modlin, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 0 flights from Warsaw Modlin to Seattle/Tacoma Intl per day from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Modlin 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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.

Alternative routes for Modlin to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Frederic Chopin to Seattle flights
Frederic Chopin to Portland flights

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.