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$677+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HEL
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$677
(United)

Popular in

June

Cheapest in

November

Average price

$671
Provider with most accurate pricing for Detroit (DTT)-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-Helsinki-Vantaa flights.
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From Detroit (DTT) to Helsinki-Vantaa
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Highest demand for flights based on searches. 11% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This United deal was found by Cheapflights users on 4/23. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:00 pmDTW - HEL
1 stop13h 50mMultiple Airlines
Mon 8/181:35 pmHEL - DTW
1 stop31h 35mMultiple Airlines
Deal found 4/23$677
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:00 pmDTW - HEL
1 stop17h 40mUnited Airlines
Mon 8/181:35 pmHEL - DTW
2 stops51h 22mUnited Airlines
Deal found 4/23$692
This FlightHub deal was found by Cheapflights users on 4/23. 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 8/114:00 pmDTW - HEL
1 stop17h 40mLufthansa
Sat 8/236:10 amHEL - DTW
2 stops17h 36mLufthansa
Deal found 4/23$717
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 4/289:20 pmDTW - HEL
1 stop12h 20mDelta
Tue 5/137:15 amHEL - DTW
2 stops31h 36mDelta
Deal found 4/23$745
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 4/285:55 pmDTW - HEL
1 stop13h 20mAmerican Airlines
Tue 5/134:25 pmHEL - DTW
1 stop24h 27mAmerican Airlines
Deal found 4/23$748
This Travelocity deal was found by Cheapflights users on 4/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:55 pmDTW - HEL
2 stops35h 25mBritish Airways
Mon 5/59:05 pmHEL - DTW
2 stops31h 06mBritish Airways
Deal found 4/23$762
This Expedia deal was found by Cheapflights users on 4/23. 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.
Mon 4/289:20 pmDTW - HEL
2 stops20h 00mKLM
Tue 5/137:00 amHEL - DTW
2 stops19h 12mKLM
Deal found 4/23$768
This Priceline deal was found by Cheapflights users on 4/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:45 pmDTW - HEL
2 stops39h 10mAir Canada
Wed 8/131:35 pmHEL - DTW
2 stops37h 41mAir Canada
Deal found 4/22$895
This oojo deal was found by Cheapflights users on 4/22. 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.
Mon 6/168:30 pmDTW - HEL
2 stops30h 30mIcelandair
Mon 6/303:00 pmHEL - DTW
2 stops35h 35mIcelandair
Deal found 4/22$1,016
This Scandinavian Airlines deal was found by Cheapflights users on 4/23. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/113:55 pmDTW - HEL
2 stops16h 30mScandinavian Airlines
Sat 8/237:20 amHEL - DTW
3 stops18h 37mScandinavian Airlines
Deal found 4/23$1,132
This Ovago deal was found by Cheapflights users on 4/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/269:00 pmDTW - HEL
1 stop31h 40mTurkish Airlines
Mon 4/287:35 pmHEL - DTW
1 stop30h 30mTurkish Airlines
Deal found 4/22$1,179

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 April 24, 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

Mon 8/11

4:00 pm-12:50 pm

1 stop13h 50m

Helsinki-Vantaa

Mon 8/18

1:35 pm-2:10 pm

1 stop31h 35m

$677

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 8/11

4:00 pm-4:40 pm

1 stop17h 40m

Helsinki-Vantaa

Mon 8/18

1:35 pm-9:57 am

2 stops51h 22m

$692

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 8/11

4:00 pm-4:40 pm

1 stop17h 40m

Helsinki-Vantaa

Sat 8/23

6:10 am-4:46 pm

2 stops17h 36m

$717

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Fri 5/9

10:25 pm-5:40 pm

1 stop12h 15m

Helsinki-Vantaa

Tue 5/13

7:15 am-7:51 am

2 stops31h 36m

$840

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Thu 7/3

8:45 pm-6:55 pm

2 stops39h 10m

Helsinki-Vantaa

Wed 8/13

1:35 pm-8:16 pm

2 stops37h 41m

$895

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 6/16

4:03 pm-3:45 pm

2 stops16h 42m

Helsinki-Vantaa

Mon 6/30

9:05 pm-8:55 pm

2 stops30h 50m

$997

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 6/16

8:30 pm-10:00 am

2 stops30h 30m

Helsinki-Vantaa

Mon 6/30

3:00 pm-7:35 pm

2 stops35h 35m

$1,016

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 6/16

10:20 pm-12:20 am

1 stop19h 00m

Helsinki-Vantaa

Mon 6/30

6:25 pm-1:30 pm

1 stop26h 05m

$1,022

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Wed 6/11

12:52 pm-2:55 pm

2 stops19h 03m

Helsinki-Vantaa

Sun 6/29

4:25 pm-11:20 pm

1 stop13h 55m

$1,117

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 8/11

3:55 pm-3:25 pm

2 stops16h 30m

Helsinki-Vantaa

Sat 8/23

7:20 am-6:57 pm

3 stops18h 37m

$1,132

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Detroit-Helsinki flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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, 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 $1,123). 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.

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 April 24, 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.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

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 April 24, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Detroit to Helsinki to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Scandinavian Airlines
7.3
Good
1,344 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 United Airlines is currently your cheapest option to Helsinki, with prices starting at $692. Additional round-trip tickets that might be worth considering are offered by Lufthansa and Delta, with the lowest prices starting at $717 and $840, respectively. United Airlines is priced at 15% 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 $1,123). 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 Detroit?

Book flights to Detroit if you plan to visit one of these locations
Vantaa
Espoo
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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$516Average$829FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$530Average$540FlexibilityNo cancel feeOn-time77%
DeltaCheapest$808Average$946FlexibilityNo cancel feeOn-timeN/A

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