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$396+ Cheap flights from Detroit (DTT) to Helsinki (HEL)

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HEL
7月 9 — 7月 161
週四 7/9
週四 7/16
1 adult, Economy
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Cheap flight deals from Detroit to Helsinki

Cheapest flights from Detroit to Helsinki
Explore the most affordable flight options available from Detroit to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6月 9, 2026.

This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週二 9/17:30 am
DTW
-
HEL
2 stops23h 30m
Icelandair
週六 9/123:00 pm
HEL
-
DTW
2 stops15h 55m
Icelandair
Deal found 6/7$742
This Turkish Airlines deal was found by Cheapflights users on 6/9. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 11/278:05 pm
DTW
-
HEL
1 stop15h 05m
Turkish Airlines
週二 12/812:25 pm
HEL
-
DTW
1 stop36h 35m
Turkish Airlines
Deal found 6/9$745
This Turkish Airlines deal was found by Cheapflights users on 6/7. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 11/138:05 pm
DTW
-
HEL
1 stop15h 05m
Turkish Airlines
週二 11/1712:25 pm
HEL
-
DTW
1 stop36h 35m
Turkish Airlines
Deal found 6/7$775
This oojo deal was found by Cheapflights users on 6/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 11/1312:20 pm
DTW
-
HEL
2 stops17h 35m
Icelandair
週二 11/171:55 pm
HEL
-
DTW
2 stops17h 01m
Icelandair
Deal found 6/7$786
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 11/271:50 pm
DTW
-
HEL
2 stops19h 35m
Delta
週二 12/86:50 am
HEL
-
DTW
1 stop15h 41m
Delta
Deal found 6/9$791
This oojo deal was found by Cheapflights users on 6/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週三 7/222:46 pm
DTW
-
HEL
2 stops16h 14m
Icelandair
週四 7/303:00 pm
HEL
-
DTW
2 stops39h 59m
Icelandair
Deal found 6/8$793
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週五 11/273:32 pm
DTW
-
HEL
2 stops15h 23m
American Airlines
週二 12/812:30 pm
HEL
-
DTW
1 stop17h 20m
American Airlines
Deal found 6/7$795

Find flight deals from Detroit to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Helsinki (HEL). 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 6月 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$742
(oojo)

One-way from

$396
(American Airlines)

Popular in

November

Cheapest in

September

Average price

$1,140
Provider with most accurate pricing for Detroit (DTT)-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Helsinki-Vantaa flights.
Search Deals
From Detroit (DTT) to Helsinki-Vantaa
Search Deals
One-way flight from Detroit (DTT) to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($222 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Helsinki 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 6月 9, 2026.
Use the filters below to find and compare flights from Detroit to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週日 8/2

9:20 pm-4:40 pm

1 stop12h 20m

Helsinki-Vantaa

週二 8/18

1:55 pm-1:30 pm

1 stop30h 35m

$857

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週日 8/2

12:35 pm-1:05 pm

2 stops17h 30m

Helsinki-Vantaa

週二 8/18

7:00 am-11:35 am

1 stop11h 35m

$866

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週二 9/1

6:40 pm-4:40 pm

1 stop15h 00m

Helsinki-Vantaa

週六 9/12

7:00 am-6:58 pm

2 stops18h 58m

$885
Quickest round-trip

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週三 7/22

6:45 pm-4:40 pm

1 stop14h 55m

Helsinki-Vantaa

週四 7/30

7:00 am-11:40 am

1 stop11h 40m

$914

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週一 7/20

10:45 pm-12:25 am

1 stop18h 40m

Helsinki-Vantaa

週一 7/27

6:25 pm-1:30 pm

1 stop26h 05m

$953

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週三 7/22

6:09 pm-5:40 pm

2 stops16h 31m

Helsinki-Vantaa

週四 7/30

7:00 am-11:40 am

1 stop11h 40m

$956

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週日 7/19

6:32 pm-1:05 pm

1 stop11h 33m

Helsinki-Vantaa

週一 7/27

5:40 pm-1:21 pm

1 stop26h 41m

$972

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週二 7/7

4:20 pm-4:40 pm

2 stops17h 20m

Helsinki-Vantaa

週五 7/17

7:00 am-7:14 pm

2 stops19h 14m

$985

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週五 11/13

10:15 am-10:35 am

3 stops17h 20m

Helsinki-Vantaa

週二 11/17

7:00 am-10:20 pm

3 stops22h 20m

$1,061
Cheapest one-way

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

週五 10/9

10:35 am-2:15 pm

1 stop20h 40m

$396

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Detroit to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Helsinki in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-Helsinki flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Helsinki flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Helsinki 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 Detroit-Helsinki 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 Detroit to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Detroit 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 Detroit to Helsinki

What is the cheapest month to book a flight from Detroit to Helsinki?

Currently, August is the cheapest month in which you can book a flight from Detroit to Helsinki (average of $446). Flying from Detroit to Helsinki in July is currently the most expensive (average of $604). 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.

How much does it cost to fly round-trip from Detroit to Helsinki?

What’s the top layover airport for flights from Detroit to Helsinki?

Share of 1-stop round-trip flights from Detroit to Helsinki chosen by Cheapflights users in the past 12 months, using the same layover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 63% of 1-stop itineraries from Detroit to Helsinki on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Helsinki?

Average round-trip fare for 1-stop flights from Detroit to Helsinki, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $594.

What’s the fastest layover option from Detroit to Helsinki?

Shortest average travel time for 1-stop one-way flights from Detroit to Helsinki, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 10h 30m.

Which airport typically offers the quickest layover for flights from Detroit to Helsinki?

Average layover duration for 1-stop one-way flights from Detroit to Helsinki, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 10m.

Related info for your journey

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

  • How long is the flight from Detroit to Helsinki?

    A quick flight from Detroit to Helsinki can take about 17h 30m. Delta provides one of the quickest options available for as low as $866. There are 4285 mi between Detroit and Helsinki.

  • What are the cheapest airlines flying from Detroit to Helsinki round-trip?

    Flying on Icelandair is currently your cheapest option to Helsinki, with prices starting at $553. Additional round-trip tickets that might be worth considering are offered by Delta and Lufthansa, with the lowest prices starting at $567 and $582, respectively. Icelandair is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Detroit to Helsinki that include hotel bookings?

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

  • How can I find direct flights from Detroit to Helsinki?

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

  • Can I find deals for business class flights from Detroit to Helsinki?

    Yes. Cheapflights offers flight deals from Detroit to Helsinki 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 Detroit to Helsinki?

    Currently, August is the cheapest month in which you can book a flight from Detroit to Helsinki (average of $446). Flying from Detroit to Helsinki in July is currently the most expensive (average of $604). 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 Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Lahti

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Alternative routes for Detroit to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Helsinki flights
Detroit to Helsinki flights

Top 5 airlines flying from Detroit to Helsinki

Discover the top 5 airlines that operate flights from Detroit to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated 6月 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$535Average$957FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$553Average$635FlexibilityNo cancel feeOn-time76%
DeltaCheapest$567Average$742FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$582Average$894FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$726Average$1,114FlexibilityNo cancel feeOn-time77%

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