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$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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
WMI — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Round-trip from

$1,346
(Mytrip)

One-way from

$379
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$933
From Warsaw Modlin to Seattle/Tacoma Intl
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One-way flight from Warsaw Modlin to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 29, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:00 pmWMI - SEA
3 stops34h 50mMultiple Airlines
Thu 6/127:05 amSEA - WMI
3 stops30h 00mMultiple Airlines
Deal found 4/28$1,346

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 April 29, 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

Thu 6/5

7:00 pm-8:50 pm

3 stops34h 50m

Seattle/Tacoma Intl

Thu 6/12

7:05 am-10:05 pm

3 stops30h 00m

$1,346

WarsawSeattle

WMI - SEA

WMISEA

Warsaw Modlin

Tue 5/27

11:30 am-11:46 am

2 stops57h 16m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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.

Cheapflights Insights

Everything you need to know about your flight from Warsaw Modlin Airport to Seattle

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).

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 July is currently the most expensive (average of $405). 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 Modlin Airport?

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

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