HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$379+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
WMI — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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

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 September 11, 2025.

Round-trip from

$928
(Kiwi.com)

One-way from

$379
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,024
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. 8% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:05 amWMI - SEA
2 stops22h 47mMultiple Airlines
Wed 10/157:35 pmSEA - WMI
1 stop20h 30mMultiple Airlines
Deal found 9/11$928
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:35 pmWMI - SEA
2 stops33h 55mMultiple Airlines
Wed 12/38:05 pmSEA - WMI
1 stop17h 05mMultiple Airlines
Deal found 9/11$1,089
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:40 amWMI - SEA
1 stop20h 40mMultiple Airlines
Wed 11/198:05 pmSEA - WMI
1 stop17h 05mMultiple Airlines
Deal found 9/10$1,230
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/245:45 amWMI - SEA
3 stops22h 36mMultiple Airlines
Sat 9/277:15 amSEA - WMI
2 stops20h 00mMultiple Airlines
Deal found 9/10$1,245

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 September 11, 2025.
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

Fri 10/10

6:05 am-7:52 pm

2 stops22h 47m

Seattle/Tacoma Intl

Wed 10/15

7:35 pm-1:05 am

1 stop20h 30m

$928

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Sun 10/26

8:35 pm-10:30 pm

2 stops33h 55m

Seattle/Tacoma Intl

Wed 12/3

8:05 pm-10:10 pm

1 stop17h 05m

$1,089

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Mon 11/3

6:40 am-6:20 pm

1 stop20h 40m

Seattle/Tacoma Intl

Wed 11/19

8:05 pm-10:10 pm

1 stop17h 05m

$1,230

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Wed 9/24

5:45 am-7:21 pm

3 stops22h 36m

Seattle/Tacoma Intl

Sat 9/27

7:15 am-12:15 pm

2 stops20h 00m

$1,245

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Tue 9/23

11:05 am-8:37 pm

3 stops42h 32m

$499

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Fri 10/17

3:50 pm-8:40 pm

3 stops37h 50m

$531

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Wed 10/15

7:35 pm-5:54 pm

3 stops31h 19m

$563

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Mon 9/22

12:45 pm-10:35 am

2 stops30h 50m

$594

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Fri 9/19

12:40 pm-10:35 am

2 stops30h 55m

$610

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Mon 10/13

12:45 pm-10:35 am

2 stops30h 50m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 13 results
1
2

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.

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

    Currently, January is the cheapest month in which you can book a flight from Warsaw Modlin Airport to Seattle (average of $238). Flying from Warsaw Modlin Airport to Seattle in June is currently the most expensive (average of $388). 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 Seattle?

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

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.