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$1,284+ Cheap flights from Illinois to Dortmund (DTM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — DTM
Feb 10 — Feb 171
Tue 2/10
Tue 2/17
1 adult, Economy
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Cheap flight deals from Illinois to Dortmund

Keep the following information in mind while searching for Illinois to Dortmund flight deals. Data was last updated January 11, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,909
(Kiwi.com)
Provider with most accurate pricing for Chicago (CHI)-Dortmund flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Dortmund flights.
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From Illinois to Dortmund
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Find flight deals from Illinois to Dortmund

Cheapest flights from Illinois to Dortmund
Explore the most affordable flight options available from Illinois to Dortmund. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/187:10 pmORD - DTM
2 stops31h 05mMultiple Airlines
Thu 1/228:40 amDTM - ORD
1 stop18h 20mMultiple Airlines
Deal found 1/8$1,284
This Kiwi.com deal was found by Cheapflights users on 1/10. 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.
Tue 6/92:20 pmORD - DTM
2 stops17h 00mMultiple Airlines
Tue 6/162:35 pmDTM - ORD
1 stop30h 55mMultiple Airlines
Deal found 1/10$1,909

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Dortmund 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 11, 2026.
Use the filters below to find and compare flights from Illinois to Dortmund that are best for you.

Fly from

Illinois

Fly to

Dortmund

Route

Depart

Return

Price

ChicagoDortmund

ORD - DTM

ORDDTM

Chicago O'Hare Intl

Tue 6/9

2:20 pm-2:20 pm

2 stops17h 00m

Dortmund

Tue 6/16

2:35 pm-2:30 pm

1 stop30h 55m

$1,909

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Best time to book a flight from Illinois to Dortmund

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

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

Currently, March is the cheapest month in which you can book a flight from Illinois to Dortmund (average of $417). Flying from Illinois to Dortmund in June is currently the most expensive (average of $738). 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 Illinois to Dortmund. 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 Dortmund from Illinois?

    Located just 6.3 mi from the city center, Dortmund (DTM) is the airport most travelers will use when flying to Dortmund from Illinois.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Illinois to Dortmund (average of $417). Flying from Illinois to Dortmund in June is currently the most expensive (average of $738). 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.

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