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

Currently, April is the cheapest month in which you can book a flight from Helsinki to Detroit (average of $257). Flying from Helsinki to Detroit in March is currently the most expensive (average of $305). 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 day to fly from Helsinki to Detroit?

Travelers seeking maximum savings on their Helsinki to Detroit flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Detroit ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit when rainfall is around 1.8 in.

If weather is an important factor for your trip to Detroit, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

What is the cheapest month to fly from Helsinki to Detroit?

Our data shows that May tends to be the cheapest month to fly to Detroit from Helsinki. Users have commonly found prices around $887 for the month, but tickets can be as low as $718. Due to multiple factors, prepare for potentially higher prices in August.

What is the cheapest time of day to fly from HEL to DTT?

When flying from Helsinki to Detroit, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Helsinki to Detroit?

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

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

Yes. Cheapflights offers flight deals from Helsinki to Detroit by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$677+ Cheap Flights from Helsinki to Detroit

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

Airfare is below average for this route at the moment. Helsinki to Detroit flights typically cost between $990 and $1,072 in September. The cheapest round-trip price found within the last 3 days was $677 on Multiple Airlines (Sep 4-Sep 8).

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Cheap flight deals from Helsinki to Detroit

Round-trip from	$677 (Mytrip)
Popular in	August
Cheapest in	May
Average price	$1,055

From Helsinki-Vantaa to Detroit (DTT)

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($116 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Find flight deals from Helsinki to Detroit

Cheapest flights from Helsinki to Detroit
Explore the most affordable flight options available from Helsinki to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

jue. 9/47:05 amHEL - DTW

3 stops47h 54mMultiple Airlines

lun. 9/89:12 amDTW - HEL

3 stops26h 08mMultiple Airlines

Deal found 8/12

$677

jue. 11/1312:30 pmHEL - DTW

1 stop36h 40mTurkish Airlines

lun. 11/178:05 pmDTW - HEL

1 stop32h 30mTurkish Airlines

Deal found 8/11

$741

dom. 9/73:00 pmHEL - DTW

2 stops15h 59mMultiple Airlines

jue. 9/119:12 amDTW - HEL

2 stops21h 48mMultiple Airlines

Deal found 8/13

$742

vie. 10/38:05 amHEL - DTW

2 stops31h 35mMultiple Airlines

mar. 10/79:12 amDTW - HEL

3 stops29h 08mMultiple Airlines

Deal found 8/12

$786

vie. 10/36:10 amHEL - DTW

1 stop15h 00mLufthansa

mar. 10/74:00 pmDTW - HEL

1 stop13h 50mLufthansa

Deal found 8/12

$797

dom. 9/76:10 amHEL - DTW

1 stop15h 00mLufthansa

jue. 9/114:00 pmDTW - HEL

1 stop17h 40mLufthansa

Deal found 8/13

$803

Best flights from Helsinki to Detroit
Discover carefully curated flight deals from Helsinki to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 14, 2025.

jue. 9/47:05 amHEL - DTW

3 stops47h 54mMultiple Airlines

lun. 9/89:12 amDTW - HEL

3 stops26h 08mMultiple Airlines

Deal found 8/12

$677

jue. 11/1312:30 pmHEL - DTW

1 stop36h 40mTurkish Airlines

lun. 11/178:05 pmDTW - HEL

1 stop32h 30mTurkish Airlines

Deal found 8/11

$741

vie. 10/36:10 amHEL - DTW

1 stop15h 00mLufthansa

mar. 10/74:00 pmDTW - HEL

1 stop13h 50mLufthansa

Deal found 8/12

$797

dom. 9/73:00 pmHEL - DTW

2 stops15h 59mMultiple Airlines

jue. 9/119:12 amDTW - HEL

2 stops21h 48mMultiple Airlines

Deal found 8/13

$742

dom. 9/76:10 amHEL - DTW

1 stop15h 00mLufthansa

jue. 9/114:00 pmDTW - HEL

1 stop17h 40mLufthansa

Deal found 8/13

$803

vie. 10/38:05 amHEL - DTW

2 stops31h 35mMultiple Airlines

mar. 10/79:12 amDTW - HEL

3 stops29h 08mMultiple Airlines

Deal found 8/12

$786

Last-minute flights from Helsinki to Detroit
Discover last-minute flight deals from Helsinki to Detroit. Data last updated agosto 14, 2025 and is based on user searches.

sáb. 8/168:00 amHEL - DTW

2 stops22h 09mBritish Airways

lun. 8/186:49 pmDTW - HEL

2 stops16h 01mBritish Airways

Deal found 8/12

$1,112

jue. 9/47:05 amHEL - DTW

3 stops47h 54mMultiple Airlines

lun. 9/89:12 amDTW - HEL

3 stops26h 08mMultiple Airlines

Deal found 8/12

$677

jue. 9/46:10 amHEL - DTW

2 stops23h 12mLufthansa

lun. 9/84:00 pmDTW - HEL

1 stop13h 50mLufthansa

Deal found 8/12

$814

dom. 9/73:00 pmHEL - DTW

2 stops15h 59mMultiple Airlines

jue. 9/119:12 amDTW - HEL

2 stops21h 48mMultiple Airlines

Deal found 8/13

$742

dom. 9/76:10 amHEL - DTW

1 stop15h 00mLufthansa

jue. 9/114:00 pmDTW - HEL

1 stop17h 40mLufthansa

Deal found 8/13

$803

dom. 9/76:10 amHEL - DTW

1 stop15h 00mUnited Airlines

jue. 9/117:00 amDTW - HEL

2 stops22h 50mUnited Airlines

Deal found 8/13

$818

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiDetroit

HEL - DTW

HELDTW

Helsinki-Vantaa

jue. 9/4

7:05 am-11:59 pm

3 stops47h 54m

Detroit Metropolitan Wayne County

lun. 9/8

9:12 am-6:20 pm

3 stops26h 08m

$677

HelsinkiDetroit

HEL - DTW

HELDTW

Helsinki-Vantaa

jue. 11/13

12:30 pm-6:10 pm

1 stop36h 40m

Detroit Metropolitan Wayne County

lun. 11/17

8:05 pm-11:35 am

1 stop32h 30m

$741

HelsinkiDetroit

HEL - DTW

HELDTW

Helsinki-Vantaa

dom. 9/7

3:00 pm-11:59 pm

2 stops15h 59m

Detroit Metropolitan Wayne County

jue. 9/11

9:12 am-2:00 pm

2 stops21h 48m

$742

HelsinkiDetroit

HEL - DTW

HELDTW

Helsinki-Vantaa

vie. 10/3

8:05 am-8:40 am

2 stops31h 35m

Detroit Metropolitan Wayne County

mar. 10/7

9:12 am-9:20 pm

3 stops29h 08m

$786

HelsinkiDetroit

HEL - DTW

HELDTW

Helsinki-Vantaa

vie. 10/3

6:10 am-2:10 pm

1 stop15h 00m

Detroit Metropolitan Wayne County

mar. 10/7

4:00 pm-12:50 pm

1 stop13h 50m

$797

HelsinkiDetroit

HEL - DTW

HELDTW

Helsinki-Vantaa

dom. 9/7

6:10 am-2:10 pm

1 stop15h 00m

Detroit Metropolitan Wayne County

jue. 9/11

4:00 pm-4:40 pm

1 stop17h 40m

$803

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Helsinki to Detroit

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

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

Related info for your journey

Can I find deals for flights from Helsinki to Detroit that include hotel bookings?
Yes. In addition to deals on Helsinki to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Helsinki to Detroit?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Helsinki to Detroit.
Can I find deals for business class flights from Helsinki to Detroit?
Yes. Cheapflights offers flight deals from Helsinki to Detroit 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 Helsinki to Detroit?
Currently, April is the cheapest month in which you can book a flight from Helsinki to Detroit (average of $257). Flying from Helsinki to Detroit in March is currently the most expensive (average of $305). 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.

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$677+ Cheap flights from Helsinki (HEL) to Detroit (DTT)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Helsinki to Detroit with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Helsinki to Detroit

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Helsinki to Detroit

Cheapest flights from Helsinki to DetroitExplore the most affordable flight options available from Helsinki to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Explore the most affordable flight options available from Helsinki to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Helsinki to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from Helsinki with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Helsinki to Detroit

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

Related info for your journey

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

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

How can I find direct flights from Helsinki to Detroit?

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

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

Traveling to a place near Detroit?

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Cheapest flights from Helsinki to Detroit
Explore the most affordable flight options available from Helsinki to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.