Title: Detroit to Cologne cheap flights from $551 (DTW to CGN) - Expedia.com ![](https://images.trvl-media.com/place/179998/085861b5-282e-429f-bc98-dbbeb4a66247.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/179998/085861b5-282e-429f-bc98-dbbeb4a66247.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $551 Cheap Flights from Detroit (DTW) to Cologne (CGN) [View $551 flight on Tue, Apr 14, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DTW,to:CGN,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:550.40&airProductToken=AQpiCi8I1JYBEgMyMDYY47QBIMicASiSr4oDMPSzigM4RUAAWAFqAlJTcghFTFYzUFhPVwovCNSWARIEMTY3NRjInAEgwmko4rSKAzCqtooDOEVAAVgBagJSU3IIRUxWM1BYT1cSCggBEAEYASoCVEsYASIECAEQASgCKAQoBjAB) ## Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Cologne - Bonn Airport (CGN) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines [](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/15/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Detroit to Cologne (DTW-CGN) Prices were available within the past 7 days and start at $551 for one-way flights and $732 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Tue, Apr 14 - Fri, May 1 DTW Detroit CGN Cologne $732 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:4/14/2026TANYT&leg2=from:CGN,to:DTW,departure:5/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:731.63&airProductToken=AQpeCi0I1JYBEgMyMDYY47QBIMicASiSr4oDMPSzigM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESBDE2NzMYyJwBIMJpKP69igMwxr-KAzhXQAFYAWoCUFNyBldWM1hQQwpeCi0I1JYBEgQxNjc2GMJpIMicASjm6osDMKnsiwM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESAzIwNRjInAEg47QBKMvziwMw1fiLAzhXQAFYAWoCUFNyBldWM1hQQxIUCAIQARgCKgJUSzIIQUlSTU9EVEsYASIECAEQASgCKAMoBDAB) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Wed, Apr 15 - Wed, Apr 22 DTW Detroit CGN Cologne $733 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:4/15/2026TANYT&leg2=from:CGN,to:DTW,departure:4/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:732.73&airProductToken=AQpeCi0I1JYBEgMyMDYY47QBIMicASiyuooDMJS_igM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESBDE2NzEYyJwBIMJpKJXHigMw3ciKAzhXQAFYAWoCUFNyBldWM1hQQwpeCi0I1JYBEgQxNjc2GMJpIMicASjGhYsDMImHiwM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESAzIwNRjInAEg47QBKKuOiwMwtZOLAzhXQAFYAWoCUFNyBldWM1hQQxIUCAIQARgCKgJUSzIIQUlSTU9EVEsYASIECAEQASgCKAMoBDAB) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Thu, Sep 10 - Tue, Sep 15 DTW Detroit CGN Cologne $741 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:9/10/2026TANYT&leg2=from:CGN,to:DTW,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:740.03&airProductToken=AQpeCi0I1JYBEgMyMDYY47QBIMicASiyu5cDMJTAlwM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESBDE2NzUYyJwBIMJpKILBlwMwysKXAzhXQAFYAWoCUFNyBldWM1hQQwpeCi0I1JYBEgQxNjc2GMJpIMicASiG8JcDMMnxlwM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESAzIwNRjInAEg47QBKOv4lwMw9f2XAzhXQAFYAWoCUFNyBldWM1hQQxIKCAEQARgBKgJUSxgBIgQIARABKAIoAygEMAE) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Wed, Apr 15 - Wed, Apr 22 DTW Detroit CGN Cologne $741 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:4/15/2026TANYT&leg2=from:CGN,to:DTW,departure:4/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:740.73&airProductToken=AQpeCi0I1JYBEgMyMDYY47QBIMicASiyuooDMJS_igM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESBDE2NzEYyJwBIMJpKJXHigMw3ciKAzhXQAFYAWoCUFNyBldWM1hQQwpeCi0I1JYBEgQxNjc2GMJpIMicASjGhYsDMImHiwM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESAzIwNRjInAEg47QBKKuOiwMwtZOLAzhXQAFYAWoCUFNyBldWM1hQQxIKCAEQARgBKgJUSxgBIgQIARABKAIoAygEMAE) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Sun, Apr 5 - Tue, Apr 14 DTW Detroit CGN Cologne $766 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:4/5/2026TANYT&leg2=from:CGN,to:DTW,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:765.03&airProductToken=AQpeCi0I1JYBEgMyMDYY47QBIMicASjyyYkDMNTOiQM4UEAAWAFqAlBTcgZQVjNYUEMKLQjUlgESBDE2NzUYyJwBIMJpKMLPiQMwitGJAzhQQAFYAWoCUFNyBlBWM1hQQwpeCi0I1JYBEgQxNjc2GMJpIMicASjGq4oDMImtigM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESAzIwNRjInAEg47QBKKu0igMwtbmKAzhXQAFYAWoCUFNyBldWM1hQQxIKCAEQARgBKgJUSxgBIgQIARABKAIoAygEMAE) ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Thu, Sep 17 - Mon, Oct 5 DTW Detroit CGN Cologne $780 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:9/17/2026TANYT&leg2=from:CGN,to:DTW,departure:10/5/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:779.63&airProductToken=AQpeCi0I1JYBEgMyMDYY47QBIMicASiSipgDMPSOmAM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESBDE2NzEYyJwBIMJpKPWWmAMwvZiYAzhXQAFYAWoCUFNyBldWM1hQQwpeCi0I1JYBEgQxNjc0GMJpIMicASiCz5kDMMXQmQM4V0AAWAFqAlBTcgZXVjNYUEMKLQjUlgESAzIwNRjInAEg47QBKOvZmQMw9d6ZAzhXQAFYAWoCUFNyBldWM1hQQxIKCAEQARgBKgJUSxgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Sep 23 - Mon, Sep 28 DTW Detroit CGN Cologne $868 Roundtrip found 4 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:9/23/2026TANYT&leg2=from:CGN,to:DTW,departure:9/28/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:867.03&airProductToken=AQrIAQpCCNWCARIEODEyORjjtAEgmM4BKPXImAMwucmYAzhMQABYAWoIRUNPQkFTSUNyCExLQTg2VEJRegoIwYYBEgQ4NzcyCkAI1YIBEgQ4NTUwGJjOASCMFSitzJgDMPnPmAM4TEABWAFqCEVDT0JBU0lDcghMS0E4NlRCUXoJCMGGARIDODM2CkAI1YIBEgQ5MTUzGIwVIMJpKMvRmAMwkdKYAzhMQAFYAWoIRUNPQkFTSUNyCExLQTg2VEJRegoIzJABEgQxOTc2CroBCkAI1YIBEgQ4OTE3GMJpIIwVKLn_mAMw-v-YAzhMQABYAWoIRUNPQkFTSUNyCExLQTg2VEJRegoIzJABEgQxOTc3Cj8I1YIBEgQ4Nzg1GIwVIIgYKPyAmQMwnYWZAzhMQAFYAWoIRUNPQkFTSUNyCExLQTg2VEJRegkIzJABEgM0MTQKNQjVggESBDQwMjQYiBgg47QBKMyGmQMwr4eZAzhMQAFYAWoIRUNPQkFTSUNyCExLQTg2VEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, Sep 10 - Tue, Sep 15 DTW Detroit CGN Cologne $871 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:9/10/2026TANYT&leg2=from:CGN,to:DTW,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:870.53&airProductToken=AQqxAQoyCMGGARIEODU4MhjjtAEgmF0orbaXAzCRt5cDOExAAFgBagVCQVNJQ3IITEtBODZUQlEKPAjBhgESBDkwOTgYmF0gjBUoqLuXAzDbvpcDOExAAVgBagVCQVNJQ3IITEtBODZUQlF6CQjMkAESAzQ3NQo9CMGGARIEOTQ2OBiMFSDCaSjmwZcDMKzClwM4TEABWAFqBUJBU0lDcghMS0E4NlRCUXoKCMyQARIEMTk4MgqbAQoxCMyQARIEMTk4NRjCaSCMFSjC8JcDMIPxlwM4TEAAWAFqBUJBU0lDcghMS0E4NlRCUQoxCMGGARIDODM3GIwVIJjOASju95cDMPv7lwM4TEABWAFqBUJBU0lDcghMS0E4NlRCUQozCMGGARIEODc3NRiYzgEg47QBKIf9lwMw1P2XAzhMQAFYAWoFQkFTSUNyCExLQTg2VEJREgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Apr 29 - Mon, May 11 DTW Detroit CGN Cologne $1,063 Roundtrip found 15 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:4/29/2026TANYT&leg2=from:CGN,to:DTW,departure:5/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1062.63&airProductToken=AQq6AQpBCMyQARIENzUyNRjjtAEgrhwoyteLAzCp2IsDOFRAAFgBaghFQ09MSUdIVHIIVExYODZEQlF6CgjVggESBDM1NjcKMwjMkAESAzQzNRiuHCCMFSjg2IsDMN7ciwM4VEABWAFqCEVDT0xJR0hUcghUTFg4NkRCUQpACMyQARIENDEwNBiMFSDCaSjz5IsDMLnliwM4VEABWAFqCEVDT0xJR0hUcghUTFg4NkRCUXoKCNaYARIEMTk3MgqhAQo0CMyQARIEMTk4MxjCaSCMFSjl2owDMKbbjAM4VEAAWAFqCEVDT0xJR0hUcghUTFg4NkRCUQozCMyQARIDMTIzGIwVIKUEKLLcjAMw7tyMAzhUQAFYAWoIRUNPTElHSFRyCFRMWDg2REJRCjQIzJABEgM0NDIYpQQg47QBKObijAMw8-aMAzhUQAFYAWoIRUNPTElHSFRyCFRMWDg2REJREgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Mon, Dec 7 - Sun, Dec 13 DTW Detroit CGN Cologne $1,097 Roundtrip found 7 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DTW,to:CGN,departure:12/7/2026TANYT&leg2=from:CGN,to:DTW,departure:12/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1096.63&airProductToken=AQqsAQpBCM-mARIENzcyMhjjtAEgrhwo45afAzC0l58DOFRAAFgBaghFQ09MSUdIVHIIVExYOTdUQlF6CgjVggESBDUzODEKMgjPpgESAjQ2GK4cIJUiKJyYnwMwqZyfAzhUQAFYAWoIRUNPTElHSFRyCFRMWDk3VEJRCjMIz6YBEgMyNDkYlSIgwmko_KCfAzDboZ8DOFRAAVgBaghFQ09MSUdIVHIIVExYOTdUQlEKrAEKMwjPpgESAzI1MBjCaSCVIiio2p8DMILbnwM4U0AAWAFqCEVDT0xJR0hUcghTTFc5N1RCUQoyCM-mARICNDUYlSIgrhwok-GfAzDw5Z8DOFNAAVgBaghFQ09MSUdIVHIIU0xXOTdUQlEKQQjPpgESBDc3MjEYrhwg47QBKN7mnwMwuuefAzhTQAFYAWoIRUNPTElHSFRyCFNMVzk3VEJRegoI1YIBEgQyNjMyEgoIARABGAEqAk9TGAEiBAgBEAEoAigDKAQwCw) ## Alternative airports near Cologne Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) CGN Cologne - Bonn CheapestClosest 14 min [Flights from $801 ](https://www.expedia.com/Flights-Search?leg1=from:DTW,to:CGN,departure:4/8/2026TANYT&leg2=from:CGN,to:DTW,departure:4/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn) cost? ### What is the cheapest month to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### Which airlines fly direct from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### What is the cheapest airline that flies from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### How do I find cheap flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### What is the best time to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### What is the earliest flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### What day of the week has the most flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### What are the most popular departure times for flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### How long does it take to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ### Can you fly business or first class from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? > - Turkish Airlines > - Air Canada > - American Airlines > - Lufthansa > - United Airlines ### How do I earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn) flight with Expedia? ### What airports do you fly into for Cologne from Detroit Metropolitan Wayne County (DTW)? ### Is it cheaper to buy a plane ticket from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn) at the last minute? ### Is it cheaper to book a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn) flight and hotel package? ### Can I cancel or change the date of my flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Cologne (CGN-Cologne - Bonn)? ## Travel information | Origin airport | Detroit Metropolitan Wayne County | | ------------------- | ------------------------------------------------------------------------------------------------- | | Destination airport | Cologne - Bonn | | Airlines serving | Air Canada, Austrian Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines, United | | Roundtrip price | $732 | | Distance | 4064 mi | ## Book with confidence # Detroit to Cologne Flights The cheapest times to fly from Detroit to Cologne On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Cologne are during the month of April. You can find some of the cheapest flights from Detroit to Cologne with Expedia's search tool and vast selection of airlines. The best time to book a flight from Detroit to Cologne Sunday is one of the best days to book for cheap flights from Detroit to Cologne: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Detroit to Cologne Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Cologne in 2026\. You can also book with separate airlines for your outbound and return journeys, from $551 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Cologne flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Detroit to Cologne airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Other - [Family Hotels in Grengel ](https://www.expedia.com/Grengel-Cologne-Hotels-Family-Hotel.0-n6264403-0-tFamilyHotel.Travel-Guide-Filter-Hotels) - [Hotels near Wahnheide ](https://www.expedia.com/Wahnheide-Cologne-Hotels.0-n6264433-0.Travel-Guide-Filter-Hotels) - [Hotels near Eil ](https://www.expedia.com/Eil-Cologne-Hotels.0-n6264393-0.Travel-Guide-Filter-Hotels) - [Historic Hotels in Eil ](https://www.expedia.com/Eil-Cologne-Hotels-Historic-Hotel.0-n6264393-0-tHistoricHotel.Travel-Guide-Filter-Hotels) - [Hotels near Golfclub Wahn ](https://www.expedia.com/Golfclub-Wahn-Hotels.0-l6202011-0.Travel-Guide-Filter-Hotels) - [Hotels near Wahn ](https://www.expedia.com/Wahn-Cologne-Hotels.0-n6264431-0.Travel-Guide-Filter-Hotels) - [Apartments in Porz-Wahn S-Bahn ](https://www.expedia.com/Porz-Wahn-S-Bahn-Apartments.d6240486-aaApartments.Travel-Guide-Accommodation) - 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[Apartments in Niederkassel ](https://www.expedia.com/Niederkassel-Apartments.d181246-aaApartments.Travel-Guide-Accommodation) - [Resorts & Hotels with Spas in Niederkassel ](https://www.expedia.com/Niederkassel-Hotels-Spa-Hotel.0-0-d181246-tSpaHotel.Travel-Guide-Filter-Hotels) - [Hotels near Poll ](https://www.expedia.com/Poll-Cologne-Hotels.0-n3000661262-0.Travel-Guide-Filter-Hotels) - [Hotels near Mediterana ](https://www.expedia.com/Mediterana-Hotels.0-l553248635962295710-0.Travel-Guide-Filter-Hotels) - [Apartments in Kalk Kapelle U-Bahn ](https://www.expedia.com/Kalk-Kapelle-U-Bahn-Apartments.d6240301-aaApartments.Travel-Guide-Accommodation) - [Hotels near Marienburg ](https://www.expedia.com/Marienburg-Cologne-Hotels.0-n6264423-0.Travel-Guide-Filter-Hotels) - [Hotels & Resorts for Couples in Marienburg ](https://www.expedia.com/Marienburg-Cologne-Hotels-Couples-Resorts-Hotels.0-n6264423-0-tCouplesResortsHotels.Travel-Guide-Filter-Hotels) - [Resorts & Hotels with Spas in Marienburg ](https://www.expedia.com/Marienburg-Cologne-Hotels-Spa-Hotel.0-n6264423-0-tSpaHotel.Travel-Guide-Filter-Hotels) - 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[Krewelshof ](https://www.expedia.com/Krewelshof-Bonn.d553248621532510869.Vacation-Attraction) - [Visit Ostheim ](https://www.expedia.com/Cologne-Ostheim.dx3000661265) - [Visit Westhoven ](https://www.expedia.com/Cologne-Westhoven.dx3000661271) - [Visit Brueck ](https://www.expedia.com/Cologne-Brueck.dx6264318) - [Visit Troisdorf ](https://www.expedia.com/Troisdorf.dx5204) - [Visit Langel ](https://www.expedia.com/Cologne-Langel.dx3000661257) - [Visit Rodenkirchen ](https://www.expedia.com/Cologne-Rodenkirchen.dx6003677) - [Visit Vingst ](https://www.expedia.com/Cologne-Vingst.dx6003679) - [Visit Lohmar ](https://www.expedia.com/Lohmar.dx6003689) - [Visit Niederkassel ](https://www.expedia.com/Niederkassel.dx181246) - [Visit Höhenberg ](https://www.expedia.com/Cologne-Hohenberg.dx6264413) - [Visit Poll ](https://www.expedia.com/Cologne-Poll.dx3000661262) - [Mediterana ](https://www.expedia.com/Mediterana-Cologne.d553248635962295710.Vacation-Attraction) - [Aggua Troisdorf ](https://www.expedia.com/Aggua-Troisdorf-Cologne.d6283431.Vacation-Attraction) - [Visit Marienburg ](https://www.expedia.com/Cologne-Marienburg.dx6264423) - [Visit Godorf ](https://www.expedia.com/Cologne-Godorf.dx3000661252) - [Visit Bensberg ](https://www.expedia.com/Bensberg.dx6054054) - [Visit Kalk ](https://www.expedia.com/Cologne-Kalk.dx6003671) - [Visit Bayenthal ](https://www.expedia.com/Cologne-Bayenthal.dx3000661238) - [Visit Holweide ](https://www.expedia.com/Cologne-Holweide.dx6003670) - [Car rentals near Porz ](https://www.expedia.com/Car-Rentals-In-Porz.d6003676.Car-Rental-Guide) - [Car rentals near Weiss ](https://www.expedia.com/Car-Rentals-In-Weiss.d3000661240.Car-Rental-Guide) - [Car rentals near Roesrath ](https://www.expedia.com/Car-Rentals-In-Roesrath.d6130213.Car-Rental-Guide) - [Car rentals near Ostheim ](https://www.expedia.com/Car-Rentals-In-Ostheim.d3000661265.Car-Rental-Guide) - [Car rentals near Troisdorf ](https://www.expedia.com/Car-Rentals-In-Troisdorf.d5204.Car-Rental-Guide) - [Car rentals near Langel ](https://www.expedia.com/Car-Rentals-In-Langel.d3000661257.Car-Rental-Guide) - [Car rentals near Lohmar ](https://www.expedia.com/Car-Rentals-In-Lohmar.d6003689.Car-Rental-Guide) - [Car rentals near Poll ](https://www.expedia.com/Car-Rentals-In-Poll.d3000661262.Car-Rental-Guide) - [Avis Rental Cars in Poll ](https://www.expedia.com/Avis-Car-Rentals-In-Poll.d3000661262-c41.Car-Rental-Guide-Suppliers) - [Europcar Rental Cars in Godorf ](https://www.expedia.com/Europcar-Car-Rentals-In-Godorf.d3000661252-c14.Car-Rental-Guide-Suppliers) - [Car rentals near Birken ](https://www.expedia.com/Car-Rentals-In-Birken.d553248635975875017.Car-Rental-Guide) - [Things to do in Roesrath ](https://www.expedia.com/Things-To-Do-In-Roesrath.d6130213.Travel-Guide-Activities) \*Available to One Key members.