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$470+ Cheap flights from Detroit (DTT) to Helsinki (HEL)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HEL
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$470
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$503
From Detroit (DTT) to Helsinki-Vantaa
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Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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 10/308:35 pmDTW - HEL
1 stop10h 20mIcelandair
Thu 11/61:55 pmHEL - DTW
1 stop11h 35mIcelandair
Deal found 9/15$470
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:25 amDTW - HEL
2 stops23h 30mScandinavian Airlines
Tue 10/145:35 pmHEL - DTW
2 stops35h 45mScandinavian Airlines
Deal found 9/14$486
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:15 pmDTW - HEL
2 stops28h 20mScandinavian Airlines
Tue 12/24:10 pmHEL - DTW
2 stops37h 22mScandinavian Airlines
Deal found 9/14$498
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:30 pmDTW - HEL
1 stop10h 30mIcelandair
Tue 10/213:00 pmHEL - DTW
1 stop11h 20mIcelandair
Deal found 9/14$524
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/307:28 amDTW - HEL
2 stops23h 27mMultiple Airlines
Thu 11/61:55 pmHEL - DTW
3 stops25h 05mMultiple Airlines
Deal found 9/15$527
This Mytrip deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:52 amDTW - HEL
3 stops24h 08mMultiple Airlines
Tue 10/213:00 pmHEL - DTW
2 stops16h 45mMultiple Airlines
Deal found 9/14$553
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/1512:08 pmDTW - HEL
1 stop15h 37mAmerican Airlines
Wed 10/2212:35 pmHEL - DTW
1 stop16h 59mAmerican Airlines
Deal found 9/15$558
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/146:48 amDTW - HEL
1 stop20h 57mAmerican Airlines
Tue 10/2112:35 pmHEL - DTW
2 stops17h 50mAmerican Airlines
Deal found 9/14$564

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 September 16, 2025.
Use the filters below to find and compare flights from Detroit to Helsinki that are best for you.

Fly from

Detroit

Fly to

Helsinki

Route

Depart

Return

Price

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Thu 10/30

8:35 pm-12:55 pm

1 stop10h 20m

Helsinki-Vantaa

Thu 11/6

1:55 pm-6:30 pm

1 stop11h 35m

$470

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Wed 10/1

10:25 am-4:55 pm

2 stops23h 30m

Helsinki-Vantaa

Tue 10/14

5:35 pm-10:20 pm

2 stops35h 45m

$486

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Sun 3/1

7:00 am-10:40 am

2 stops20h 40m

Helsinki-Vantaa

Thu 3/12

7:00 am-10:20 pm

2 stops21h 20m

$498

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 11/10

2:15 pm-1:35 am

2 stops28h 20m

Helsinki-Vantaa

Tue 12/2

4:10 pm-10:32 pm

2 stops37h 22m

$498

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Thu 10/30

7:28 am-12:55 pm

2 stops23h 27m

Helsinki-Vantaa

Thu 11/6

1:55 pm-8:19 am

2 stops25h 24m

$516

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Tue 10/14

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

Tue 10/21

3:00 pm-7:20 pm

1 stop11h 20m

$524

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Wed 10/15

9:30 am-2:00 pm

3 stops21h 30m

Helsinki-Vantaa

Wed 10/22

3:00 pm-12:45 am

2 stops16h 45m

$553

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Sun 3/1

11:51 am-10:45 am

1 stop15h 54m

Helsinki-Vantaa

Thu 3/12

12:30 pm-12:20 am

1 stop17h 50m

$558

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 time of day to fly from DTT to HEL?

Find hourly flight availability from Detroit to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Detroit to Helsinki, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 46% versus a flight in the morning.

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 67% 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.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $614.

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.

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Delta and Icelandair from Detroit to Helsinki. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
544 reviews
Delta
8.0
Very good
7,957 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 10h 20m. Icelandair provides one of the quickest options available for as low as $470. There are 4285 mi between Detroit and Helsinki. This flight may include one or multiple stops.

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

    Flying on Scandinavian Airlines is currently your cheapest option to Helsinki, with prices starting at $530. Additional round-trip tickets that might be worth considering are offered by Icelandair and Delta, with the lowest prices starting at $532 and $585, respectively. Scandinavian Airlines is priced at 29% 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, November is the cheapest month in which you can book a flight from Detroit to Helsinki (average of $444). Flying from Detroit to Helsinki in June is currently the most expensive (average of $1,082). 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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Top 3 airlines flying from Detroit to Helsinki

Discover the top 3 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$530Average$540FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$532Average$742FlexibilityNo cancel feeOn-time76%
DeltaCheapest$585Average$938FlexibilityNo cancel feeOn-timeN/A

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