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$610+ Cheap flights from Dortmund (DTM) 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTM — SEA
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Dortmund to Seattle

Cheapest flights from Dortmund to Seattle
Explore the most affordable flight options available from Dortmund to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Mytrip deal was found by Cheapflights users on 2/2. 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.
Fri 3/133:50 pm
DTM
-
SEA
3 stops32h 50m
Multiple Airlines
Mon 3/166:40 pm
SEA
-
DTM
3 stops34h 05m
Multiple Airlines
Deal found 2/2$1,266
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Fri 2/139:10 am
DTM
-
SEA
3 stops39h 30m
Multiple Airlines
Sun 2/153:10 pm
SEA
-
DTM
2 stops35h 45m
Multiple Airlines
Deal found 2/2$2,770

Find flight deals from Dortmund to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Dortmund (DTM) 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 February 5, 2026.

Round-trip from

$1,266
(Mytrip)

One-way from

$610
(Kiwi.com)
From Dortmund to Seattle/Tacoma Intl
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One-way flight from Dortmund to Seattle/Tacoma Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dortmund 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 February 5, 2026.
Use the filters below to find and compare flights from Dortmund to Seattle that are best for you.

Fly from

Dortmund

Fly to

Seattle

Route

Depart

Return

Price

DortmundSeattle

DTM - SEA

DTMSEA

Dortmund

Fri 3/13

3:50 pm-4:40 pm

3 stops32h 50m

Seattle/Tacoma Intl

Mon 3/16

6:40 pm-12:45 pm

3 stops34h 05m

$1,266

DortmundSeattle

DTM - SEA

DTMSEA

Dortmund

Sun 7/5

11:40 am-10:15 am

3 stops55h 35m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Best time to book a flight from Dortmund to Seattle

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

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

Currently, October is the cheapest month in which you can book a flight from Dortmund to Seattle (average of $474). Flying from Dortmund to Seattle in January is currently the most expensive (average of $631). 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.

Related info for your journey

Find useful and relevant information for your journey from Dortmund to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Dortmund to Seattle (average of $474). Flying from Dortmund to Seattle in January is currently the most expensive (average of $631). 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?

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