How long is the flight from Knoxville to Helsinki?

Air France and Finnair can get you from Knoxville to Helsinki in just under 15h 16m. Your travel time can differ by up to 1h 09m. Knoxville and Helsinki are separated by a distance of 4681 mi. This flight may include one or multiple stops.

What is the cheapest airline to fly from Knoxville to Helsinki round-trip?

According to our current data, American Airlines ($483), offers the cheapest pricing from Knoxville to Helsinki. Users have found that American Airlines is 52% cheaper than the other options available to this destination.

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

Currently, November is the cheapest month in which you can book a flight from Knoxville to Helsinki (average of $444). Flying from Knoxville to Helsinki in June is currently the most expensive (average of $1,082). 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 Knoxville to Helsinki?

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

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.

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).

What is the cheapest day to fly round-trip from Knoxville to Helsinki?

Flights from Knoxville to Helsinki are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Helsinki.

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

The best pricing can be found in the month of November. Prices to Helsinki from Knoxville average $1,009. You can even find prices in November for less than $1,009, as users have found deals to Helsinki from as low as $487. The month of May appears to be one of the more expensive times to travel to Helsinki from Knoxville. Flying in the targeted month can save you up to 37%.

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

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

How can I find direct flights from Knoxville to Helsinki?

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

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

Yes. Cheapflights offers flight deals from Knoxville 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.

$3,936+ Cheap Flights from Knoxville to Helsinki

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Cheap flight deals from Knoxville to Helsinki

Round-trip from	$3,936 (Air France)
Popular in	May
Cheapest in	November
Average price	$1,096

From Knoxville McGhee Tyson to Helsinki-Vantaa

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Highest demand for flights based on searches. 21% potential increase in price ($273 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Knoxville to Helsinki

Best flights from Knoxville to Helsinki
Discover carefully curated flight deals from Knoxville to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Wed 2/115:00 pmTYS - HEL

2 stops16h 25mAir France

Fri 2/202:05 pmHEL - TYS

2 stops16h 39mAir France

Deal found 9/10

$3,936

Wed 2/1112:29 pmTYS - HEL

1 stop15h 16mFinnair

Fri 2/2012:30 pmHEL - TYS

1 stop18h 10mFinnair

Deal found 9/10

$4,828

Wed 2/115:43 amTYS - HEL

1 stop22h 02mAmerican Airlines

Fri 2/2012:30 pmHEL - TYS

2 stops18h 11mAmerican Airlines

Deal found 9/11

$5,160

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Wed 2/11

5:00 pm-4:25 pm

2 stops16h 25m

Helsinki-Vantaa

Fri 2/20

2:05 pm-11:44 pm

2 stops16h 39m

$3,936

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Wed 2/11

12:29 pm-10:45 am

1 stop15h 16m

Helsinki-Vantaa

Fri 2/20

12:30 pm-11:40 pm

1 stop18h 10m

$4,828

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Wed 2/11

5:43 am-10:45 am

1 stop22h 02m

Helsinki-Vantaa

Fri 2/20

12:30 pm-11:41 pm

2 stops18h 11m

$5,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Knoxville to Helsinki

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

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

A simple way to save on the total cost of your ticket is to fly from Knoxville to Helsinki in the morning. If you’re flexible enough to do this you can expect to save up to 61% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Helsinki

Peruse reviews from past customers who have flown with American Airlines from Knoxville 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.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

How long is the flight from Knoxville to Helsinki?
Air France and Finnair can get you from Knoxville to Helsinki in just under 15h 16m. Your travel time can differ by up to 1h 09m. Knoxville and Helsinki are separated by a distance of 4681 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from Knoxville to Helsinki round-trip?
According to our current data, American Airlines ($483), offers the cheapest pricing from Knoxville to Helsinki. Users have found that American Airlines is 52% cheaper than the other options available to this destination.
Can I find deals for flights from Knoxville to Helsinki that include hotel bookings?
Yes. In addition to deals on Knoxville to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Knoxville to Helsinki?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Helsinki.
Can I find deals for business class flights from Knoxville to Helsinki?
Yes. Cheapflights offers flight deals from Knoxville 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 Knoxville to Helsinki?
Currently, November is the cheapest month in which you can book a flight from Knoxville to Helsinki (average of $444). Flying from Knoxville to Helsinki in June is currently the most expensive (average of $1,082). 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

Vantaa

Lahti

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Alternative routes for Knoxville to Helsinki

Chattanooga to Helsinki flights

Other flights to Helsinki

Top airline flying from Knoxville to Helsinki

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$483	Average$896	FlexibilityNo cancel fee	On-time71%

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$3,936+ Cheap flights from Knoxville (TYS) 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Helsinki with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Helsinki

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Knoxville to Helsinki

Best flights from Knoxville to HelsinkiDiscover carefully curated flight deals from Knoxville to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Discover carefully curated flight deals from Knoxville to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Knoxville to Helsinki

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

Cheapflights Insights

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

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

Reviews of airlines servicing Helsinki

Peruse reviews from past customers who have flown with American Airlines from Knoxville 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.

Related info for your journey

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

How long is the flight from Knoxville to Helsinki?

What is the cheapest airline to fly from Knoxville to Helsinki round-trip?

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

How can I find direct flights from Knoxville to Helsinki?

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

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

Traveling to a place near Helsinki?

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Alternative routes for Knoxville to Helsinki

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Top airline flying from Knoxville to Helsinki

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Book with Flexibility

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Best flights from Knoxville to Helsinki
Discover carefully curated flight deals from Knoxville to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.