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$298+ Cheap flights from Detroit (DTT) to Finland

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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — HEL
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheap flight deals from Detroit to Finland

Cheapest flights from Detroit to Finland
Explore the most affordable flight options available from Detroit to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2025.

This KLM deal was found by Cheapflights users on 12/20. 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.
Wed 12/249:20 pmDTW - HEL
1 stop18h 15mMultiple Airlines
Fri 12/262:05 pmHEL - DTW
1 stop29h 55mMultiple Airlines
Deal found 12/20$1,181
This Delta deal was found by Cheapflights users on 12/20. 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.
Wed 12/244:15 pmDTW - HEL
1 stop13h 55mDelta
Fri 12/262:05 pmHEL - DTW
2 stops17h 47mDelta
Deal found 12/20$1,197
This Gurufare deal was found by Cheapflights users on 12/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:56 pmDTW - HEL
2 stops19h 34mLufthansa
Fri 12/266:55 amHEL - DTW
2 stops17h 22mLufthansa
Deal found 12/20$1,793
This FlightHub deal was found by Cheapflights users on 12/20. 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 12/241:56 pmDTW - HEL
3 stops19h 34mAir Canada
Fri 12/266:55 amHEL - DTW
3 stops22h 35mAir Canada
Deal found 12/20$2,641

Find flight deals from Detroit to Finland

Keep the following information in mind while searching for Detroit to Finland flight deals. Data was last updated December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$568
(Finnair)

One-way from

$298
(CrystalTravel)

Popular in

November

Cheapest in

September

Average price

$1,092
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 Finland
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One-way flight from Detroit (DTT) to Finland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($247 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Finland 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 December 22, 2025.
Use the filters below to find and compare flights from Detroit to Finland that are best for you.

Fly from

Detroit

Fly to

Finland

Route

Depart

Return

Price

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Sun 3/1

9:20 pm-4:25 pm

1 stop12h 05m

Helsinki-Vantaa

Thu 3/12

7:00 am-4:55 pm

1 stop15h 55m

$578

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Sun 3/1

2:56 pm-4:25 pm

2 stops18h 29m

Helsinki-Vantaa

Thu 3/12

7:00 am-2:10 pm

1 stop13h 10m

$582

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Thu 2/5

2:00 pm-3:25 pm

2 stops18h 25m

Helsinki-Vantaa

Mon 2/9

11:20 am-10:08 pm

2 stops17h 48m

$650

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Thu 2/5

4:05 pm-1:20 pm

1 stop14h 15m

Helsinki-Vantaa

Mon 2/9

6:55 am-2:15 pm

1 stop14h 20m

$745

DetroitTampere

DTW - TMP

DTWTMP

Detroit Metropolitan Wayne County

Wed 1/21

8:05 pm-12:40 am

2 stops21h 35m

Tampere-Pirkkala

Sun 1/25

5:25 am-6:10 pm

2 stops43h 45m

$3,424

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 12/29

7:35 pm-12:55 pm

1 stop10h 20m

$298

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Wed 2/4

2:47 pm-12:55 pm

3 stops39h 08m

$309

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Mon 12/29

7:35 pm-12:30 am

3 stops45h 55m

$406

DetroitHelsinki

DTW - HEL

DTWHEL

Detroit Metropolitan Wayne County

Wed 2/4

8:35 pm-1:10 pm

1 stop33h 35m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Best time to book a flight from Detroit to Finland

Have a flexible travel schedule? Discover the best time to fly to Finland 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 Finland

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

Currently, October is the cheapest month in which you can book a flight from Detroit to Finland (average of $495). Flying from Detroit to Finland in July is currently the most expensive (average of $988). 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 FI?

Find hourly flight availability from Detroit to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 68% on flights from Detroit to Finland by exploring options for tickets at noon.

Reviews of airlines servicing Finland

Get insights into the airlines that provide service to Finland. 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 Finland. Reviews last updated December 22, 2025.
Read through reviews of airlines operating flights from Detroit to Finland, such as Delta and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.0
Good
592 reviews
Delta
7.9
Good
8,013 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • What airport do you fly from for flights from Detroit to Finland?

    Located just 0.6 mi from the city center, Detroit All airports (DTT) is the airport most travelers will use when flying to Finland from Detroit.

  • How long is the flight from Detroit to Finland?

    Delta and Turkish Airlines can get you from Detroit to Finland in just under 18h 29m. Your travel time can differ by up to 3h 06m. There are 4285 mi between Detroit and Finland. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Detroit to Finland (average of $495). Flying from Detroit to Finland in July is currently the most expensive (average of $988). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Detroit to Finland

Discover the top 2 airlines that operate flights from Detroit to Finland. 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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$532Average$712FlexibilityNo cancel feeOn-time76%
DeltaCheapest$585Average$928FlexibilityNo cancel feeOn-timeN/A

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