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Modlin

$334+ Cheap flights from Seattle (SEA) to Modlin (WMI)

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — WMI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Seattle to Modlin

Cheapest flights from Seattle to Modlin
Explore the most affordable flight options available from Seattle to Modlin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/258:05 pm
SEA
-
WMI
1 stop17h 05m
Multiple Airlines
Wed 3/49:25 pm
WMI
-
SEA
2 stops30h 53m
Multiple Airlines
Deal found 1/28$844
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 7/246:55 pm
SEA
-
WMI
1 stop21h 20m
Multiple Airlines
Mon 8/310:50 pm
WMI
-
SEA
2 stops26h 10m
Multiple Airlines
Deal found 1/26$1,018
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 3/99:05 pm
SEA
-
WMI
1 stop16h 35m
Multiple Airlines
Wed 3/184:30 pm
WMI
-
SEA
2 stops32h 10m
Multiple Airlines
Deal found 1/26$1,078
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 3/169:05 pm
SEA
-
WMI
1 stop16h 35m
Multiple Airlines
Wed 3/254:30 pm
WMI
-
SEA
2 stops32h 10m
Multiple Airlines
Deal found 1/27$1,089
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 1/303:10 pm
SEA
-
WMI
2 stops24h 15m
Multiple Airlines
Thu 2/2610:45 pm
WMI
-
SEA
1 stop28h 35m
Multiple Airlines
Deal found 1/28$1,097
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 9/167:00 pm
SEA
-
WMI
2 stops18h 20m
Multiple Airlines
Thu 9/2411:05 am
WMI
-
SEA
1 stop15h 05m
Multiple Airlines
Deal found 1/28$1,173
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 9/156:55 pm
SEA
-
WMI
1 stop19h 35m
Multiple Airlines
Thu 9/2411:05 am
WMI
-
SEA
1 stop15h 05m
Multiple Airlines
Deal found 1/28$1,187
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.
Sat 7/256:55 pm
SEA
-
WMI
1 stop21h 20m
Multiple Airlines
Sun 8/211:50 pm
WMI
-
SEA
2 stops20h 55m
Multiple Airlines
Deal found 1/27$1,189
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.
Fri 7/246:55 pm
SEA
-
WMI
1 stop21h 20m
Multiple Airlines
Sun 8/211:50 pm
WMI
-
SEA
2 stops20h 55m
Multiple Airlines
Deal found 1/27$1,230
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 6/256:55 pm
SEA
-
WMI
1 stop20h 10m
Multiple Airlines
Mon 7/136:30 pm
WMI
-
SEA
2 stops31h 29m
Multiple Airlines
Deal found 1/28$1,247

Find flight deals from Seattle to Modlin

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Modlin (WMI). 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$844
(Kiwi.com)

One-way from

$334
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$612
Provider with most accurate pricing for Seattle/Tacoma Intl-Warsaw Modlin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Warsaw Modlin flights.
Search Deals
From Seattle/Tacoma Intl to Warsaw Modlin
Search Deals
One-way flight from Seattle/Tacoma Intl to Warsaw Modlin
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($258 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 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 Seattle to Modlin 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 29, 2026.
Use the filters below to find and compare flights from Seattle to Warsaw Modlin Airport that are best for you.

Fly from

Seattle

Fly to

Modlin

Route

Depart

Return

Price

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Wed 2/25

8:05 pm-10:10 pm

1 stop17h 05m

Warsaw Modlin

Wed 3/4

9:25 pm-7:18 pm

2 stops30h 53m

$844

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Fri 7/24

6:55 pm-1:15 am

1 stop21h 20m

Warsaw Modlin

Mon 8/3

10:50 pm-4:00 pm

2 stops26h 10m

$1,018

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Mon 3/9

9:05 pm-9:40 pm

1 stop16h 35m

Warsaw Modlin

Wed 3/18

4:30 pm-4:40 pm

2 stops32h 10m

$1,078

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Mon 3/16

9:05 pm-9:40 pm

1 stop16h 35m

Warsaw Modlin

Wed 3/25

4:30 pm-4:40 pm

2 stops32h 10m

$1,089

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Sat 7/25

6:55 pm-1:15 am

1 stop21h 20m

Warsaw Modlin

Sun 8/2

11:50 pm-11:45 am

2 stops20h 55m

$1,189

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Fri 7/24

6:55 pm-1:15 am

1 stop21h 20m

Warsaw Modlin

Sun 8/2

11:50 pm-11:45 am

2 stops20h 55m

$1,230

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Thu 6/25

6:55 pm-12:05 am

1 stop20h 10m

Warsaw Modlin

Mon 7/13

6:30 pm-4:59 pm

2 stops31h 29m

$1,247

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Thu 6/11

11:25 pm-12:50 am

2 stops40h 25m

Warsaw Modlin

Mon 7/13

11:00 am-6:45 pm

1 stop16h 45m

$1,475

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Sat 2/28

2:35 pm-12:25 am

3 stops48h 50m

$334

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Sun 3/1

10:40 pm-6:25 pm

3 stops34h 45m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Seattle-Warsaw Modlin Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Warsaw Modlin Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Warsaw Modlin Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Warsaw Modlin Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Seattle-Warsaw Modlin Airport 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 Seattle to Modlin

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

Related info for your journey

Find useful and relevant information for your journey from Seattle to Modlin. 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 Modlin?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Warsaw Modlin from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Warsaw Modlin should be relatively easy as there are 0 daily outbound flights to Warsaw Modlin from 0 different airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Modlin 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

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