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$450+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HEL
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
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 julio 31, 2025.

Round-trip from

$457
(Ticket)

Popular in

July

Cheapest in

September

Average price

$1,021
From Detroit (DTT) to Helsinki-Vantaa
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Highest demand for flights based on searches. 17% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Ticket deal was found by Cheapflights users on 7/28. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/158:30 pmDTW - HEL
1 stop10h 30mIcelandair
mar. 9/303:00 pmHEL - DTW
1 stop11h 20mIcelandair
Deal found 7/28$457
This Delta deal was found by Cheapflights users on 7/29. 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.
lun. 9/155:55 pmDTW - HEL
1 stop15h 45mDelta
mar. 9/307:10 amHEL - DTW
2 stops18h 50mDelta
Deal found 7/29$517
This FlightHub deal was found by Cheapflights users on 7/29. 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.
mié. 10/110:25 amDTW - HEL
2 stops23h 30mScandinavian Airlines
mar. 10/145:35 pmHEL - DTW
2 stops35h 45mScandinavian Airlines
Deal found 7/29$530
This Air France deal was found by Cheapflights users on 7/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/194:25 pmDTW - HEL
1 stop17h 15mAir France
mar. 9/26:40 amHEL - DTW
1 stop14h 08mAir France
Deal found 7/30$537
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/199:20 pmDTW - HEL
1 stop12h 20mMultiple Airlines
lun. 9/17:00 amHEL - DTW
1 stop13h 40mMultiple Airlines
Deal found 7/30$539
This American Airlines deal was found by Cheapflights users on 7/30. 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.
lun. 11/101:46 pmDTW - HEL
2 stops17h 09mAmerican Airlines
mar. 12/212:30 pmHEL - DTW
1 stop17h 22mAmerican Airlines
Deal found 7/30$590
This KLM deal was found by Cheapflights users on 7/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/44:35 pmDTW - HEL
1 stop13h 25mKLM
lun. 8/187:00 amHEL - DTW
1 stop15h 40mKLM
Deal found 7/30$605
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1011:00 amDTW - HEL
3 stops19h 10mAir Canada
mar. 12/27:05 amHEL - DTW
2 stops17h 31mAir Canada
Deal found 7/29$678

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 julio 31, 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

lun. 9/15

8:30 pm-2:00 pm

1 stop10h 30m

Helsinki-Vantaa

mar. 9/30

3:00 pm-7:20 pm

1 stop11h 20m

$457

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

lun. 9/15

5:55 pm-4:40 pm

1 stop15h 45m

Helsinki-Vantaa

mar. 9/30

7:10 am-7:00 pm

2 stops18h 50m

$517

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

mié. 10/1

10:25 am-4:55 pm

2 stops23h 30m

Helsinki-Vantaa

mar. 10/14

5:35 pm-10:20 pm

2 stops35h 45m

$530

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

mar. 8/19

4:25 pm-4:40 pm

1 stop17h 15m

Helsinki-Vantaa

mar. 9/2

6:40 am-1:48 pm

1 stop14h 08m

$537

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

mar. 8/19

9:20 pm-4:40 pm

1 stop12h 20m

Helsinki-Vantaa

lun. 9/1

7:00 am-1:40 pm

1 stop13h 40m

$539

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

lun. 8/4

4:35 pm-1:00 pm

1 stop13h 25m

Helsinki-Vantaa

lun. 8/18

7:00 am-3:40 pm

1 stop15h 40m

$605

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

mié. 10/1

3:14 pm-2:00 pm

2 stops15h 46m

Helsinki-Vantaa

mar. 10/14

12:35 pm-10:34 pm

1 stop16h 59m

$671

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

mié. 8/20

7:40 pm-6:55 pm

2 stops16h 15m

Helsinki-Vantaa

mar. 9/2

6:10 am-2:10 pm

1 stop15h 00m

$740

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

mar. 11/25

2:21 pm-1:55 pm

2 stops16h 34m

$450

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

mar. 11/25

9:20 pm-4:25 pm

1 stop12h 05m

$465

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 11 results
1
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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 julio 31, 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.

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 60% 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 $593.

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 09m.

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 julio 31, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air France 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
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
Scandinavian Airlines
7.4
Good
1,457 reviews
Delta
8.0
Very good
7,981 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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.

  • 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 $457. Additional round-trip tickets that might be worth considering are offered by Delta and Scandinavian Airlines, with the lowest prices starting at $517 and $530, respectively. Icelandair is priced at 40% 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 $1,081). 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$516Average$742FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$530Average$540FlexibilityNo cancel feeOn-time77%
DeltaCheapest$749Average$984FlexibilityNo cancel feeOn-timeN/A

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