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$261+ Cheap flights from Key Largo, FL 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — HEL
ene. 14 — ene. 211
mié. 1/14
mié. 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Helsinki-Vantaa are usually found in January or February, booked 50 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Key Largo to Helsinki

Cheapest flights from Key Largo to Helsinki
Explore the most affordable flight options available from Key Largo to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 15, 2025.

This Ovago deal was found by Cheapflights users on 12/13. 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.
lun. 12/297:55 pmMIA - HEL
1 stop31h 45mScandinavian Airlines
lun. 1/124:05 pmHEL - MIA
1 stop33h 30mScandinavian Airlines
Deal found 12/13$741
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:55 pmMIA - HEL
1 stop12h 30mScandinavian Airlines
mié. 1/74:05 pmHEL - MIA
2 stops38h 15mScandinavian Airlines
Deal found 12/13$940
This Finnair deal was found by Cheapflights users on 12/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:35 pmMIA - HEL
Nonstop9h 35mFinnair
lun. 1/128:30 pmHEL - MIA
1 stop28h 20mFinnair
Deal found 12/13$972
This oojo deal was found by Cheapflights users on 12/13. 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.
lun. 12/299:49 pmMIA - HEL
2 stops40h 21mBritish Airways
lun. 1/127:35 pmHEL - MIA
2 stops30h 35mBritish Airways
Deal found 12/13$976
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:35 pmMIA - HEL
Nonstop9h 35mMultiple Airlines
mié. 1/74:40 pmHEL - MIA
3 stops53h 10mMultiple Airlines
Deal found 12/13$1,000
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/267:55 pmMIA - HEL
2 stops36h 00mScandinavian Airlines
mié. 1/74:05 pmHEL - MIA
2 stops38h 15mScandinavian Airlines
Deal found 12/13$1,010
This Air France deal was found by Cheapflights users on 12/13. 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.
lun. 12/2910:40 pmMIA - HEL
1 stop16h 55mAir France
mié. 1/75:20 pmHEL - MIA
1 stop34h 00mAir France
Deal found 12/13$1,015
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/277:55 pmMIA - HEL
1 stop16h 10mScandinavian Airlines
mié. 1/74:05 pmHEL - MIA
2 stops38h 15mScandinavian Airlines
Deal found 12/13$1,055
This Delta deal was found by Cheapflights users on 12/13. 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.
jue. 12/254:50 pmMIA - HEL
1 stop13h 20mDelta
mié. 1/72:05 pmHEL - MIA
2 stops35h 49mDelta
Deal found 12/13$1,062
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:55 pmMIA - HEL
1 stop12h 30mScandinavian Airlines
mar. 1/64:05 pmHEL - MIA
1 stop33h 00mScandinavian Airlines
Deal found 12/13$1,065

Find flight deals from Key Largo to Helsinki

Keep the following information in mind while searching for Key Largo to Helsinki flight deals. Data was last updated diciembre 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$528

One-way from

$261
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$1,046
Provider with most accurate pricing for Miami-Helsinki-Vantaa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Helsinki-Vantaa flights.
Search Deals
From Key Largo to Helsinki-Vantaa
Search Deals
One-way flight from Key Largo to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($270 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo 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 diciembre 15, 2025.
Use the filters below to find and compare flights from Key Largo to Helsinki that are best for you.

Fly from

Key Largo

Fly to

Helsinki

Route

Depart

Return

Price

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

jue. 1/15

8:40 pm-3:25 pm

1 stop11h 45m

Helsinki-Vantaa

jue. 1/22

11:05 am-6:35 pm

1 stop14h 30m

$544

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

dom. 3/8

9:40 pm-10:35 am

2 stops30h 55m

Helsinki-Vantaa

vie. 3/13

6:15 am-7:35 pm

1 stop19h 20m

$593

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

mié. 2/4

5:15 pm-12:55 pm

1 stop12h 40m

Helsinki-Vantaa

jue. 2/12

1:55 pm-8:55 pm

1 stop14h 00m

$607

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

mié. 5/13

10:35 am-6:35 pm

1 stop25h 00m

Helsinki-Vantaa

mar. 5/19

7:30 pm-8:35 pm

1 stop32h 05m

$615

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

mié. 2/4

10:20 am-11:35 am

1 stop18h 15m

Helsinki-Vantaa

mié. 2/11

12:30 pm-8:35 pm

1 stop39h 05m

$621

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

jue. 1/29

7:40 am-10:40 am

2 stops20h 00m

Helsinki-Vantaa

jue. 2/5

11:20 am-11:51 pm

2 stops19h 31m

$630

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

mié. 2/25

7:40 am-1:35 am

2 stops34h 55m

Helsinki-Vantaa

dom. 3/1

9:00 pm-6:05 pm

1 stop28h 05m

$702

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

lun. 2/2

8:40 pm-8:20 pm

1 stop16h 40m

Helsinki-Vantaa

mar. 2/10

11:20 am-6:35 pm

1 stop14h 15m

$718

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

mié. 1/14

12:56 pm-12:55 pm

2 stops16h 59m

$261

MiamiHelsinki

MIA - HEL

MIAHEL

Miami

mié. 3/11

1:04 pm-12:55 pm

2 stops17h 51m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 13 results
1
2

Best time to book a flight from Key Largo to Helsinki

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

How far ahead should I book a flight from Key Largo to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Helsinki. Price data was last updated on December 12, 2025.

The price you pay for your flight from Key Largo to Helsinki may vary depending on when you book. For the best chance of a lower fare, look to book 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Key Largo to Helsinki (average of $434). Flying from Key Largo to Helsinki in June is currently the most expensive (average of $891). 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 KE9 to HEL?

Find hourly flight availability from Key Largo 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 diciembre 15, 2025.

When flying from Key Largo to Helsinki, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 36% versus a flight at noon.

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 diciembre 15, 2025.
Read reviews from past customers who have flown Finnair, Scandinavian Airlines, and American Airlines from Key Largo 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.
Finnair
7.6
Good
1,336 reviews

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Finnair
7.6
Good
1,336 reviews
Finnair
7.6
Good
1,336 reviews

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Scandinavian Airlines
7.4
Good
1,606 reviews
Finnair
7.6
Good
1,336 reviews

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
American Airlines
7.2
Good
11,051 reviews
Finnair
7.6
Good
1,336 reviews

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
Lufthansa
6.8
Okay
7,628 reviews
Finnair
7.6
Good
1,336 reviews

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.
British Airways
6.7
Okay
7,575 reviews
Finnair
7.6
Good
1,336 reviews

Overall

7.6

Boarding

7.6

Food

6.7

Entertainment

6.9

Crew

8.1

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2025

WAW - HEL

My flight to Europe was cancelled and rebooked. Bags got lost by FinnAir. Flight back home from Europe was cancelled the very next day after we landed. Zero compensation for these back to back cancellations on the exact same trip. Kayak doesn’t help with flight cancellation before trips says to contact trip protection only for trip protection to say it’s up to kayak. Don’t fly FinnAir.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Helsinki. 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 into for flights to Helsinki from Key Largo?

    Helsinki-Vantaa (HEL), located 10.6 mi from the city center, is the airport you fly into when you book flights from Key Largo to Helsinki. 7 airlines have flights to Helsinki-Vantaa from Key Largo on a regular basis. Booking flights from Key Largo to Helsinki-Vantaa should not be difficult; the airport handles an average of 1 inbound flight from Key Largo per day.

  • How popular is this Key Largo to Helsinki flight route?

    Within the past month, 1 users have taken a look at flights from Key Largo to Helsinki-Vantaa.

  • How long is the flight from Key Largo to Helsinki?

    For as low as $544, Scandinavian Airlines can have you in Helsinki from Key Largo in 11h 45m. There are 5170 mi between Key Largo and Helsinki. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Key Largo to Helsinki one-way?

    $317 is the cheapest one-way deal found within the past few days, from Finnair. You may also be able to find cheap deals on Lufthansa and American Airlines, with prices starting from $437 and $484, respectively.

  • What are the cheapest flights from Key Largo to Helsinki?

    The cheapest flight price from Key Largo to Helsinki is $290. On average you can expect to pay $726. The most popular route, (Miami - Helsinki-Vantaa), can usually be booked for $510.

  • Can I find deals for flights from Key Largo to Helsinki that include hotel bookings?

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

  • How can I find direct flights from Key Largo to Helsinki?

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

  • Can I find deals for business class flights from Key Largo to Helsinki?

    Yes. Cheapflights offers flight deals from Key Largo 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 Key Largo to Helsinki?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Helsinki (average of $434). Flying from Key Largo to Helsinki in June is currently the most expensive (average of $891). 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 7 airlines flying from Key Largo to Helsinki

Discover the top 7 airlines that operate flights from Key Largo 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 diciembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$434Average$775FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$476Average$581FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$481Average$1,042FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$572Average$1,035FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$631Average$1,062FlexibilityNo cancel feeOn-time77%
FinnairCheapest$640Average$1,044FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$703Average$1,172FlexibilityNo cancel feeOn-time70%

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