$405 Cheap Flights from Knoxville (TYS) to Helsinki (HEL)

View $405 flight on Wed, Nov 12, 2025Opens in a new window

Popular airlines from McGhee Tyson Airport (TYS) to Helsinki-Vantaa Airport (HEL)

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Cheap Flights from Knoxville to Helsinki (TYS-HEL)

Prices were available within the past 7 days and start at $405 for one-way flights and $480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Feb 18 - Thu, Feb 26
TYS
Knoxville
HEL
Helsinki
$480 Roundtrip, just found
$480
Roundtrip
just found
Select Delta flight, departing Wed, Feb 18 from Knoxville to Helsinki, returning Thu, Feb 26, priced at $480 just found
Delta
Wed, Nov 12 - Tue, Nov 25
TYS
Knoxville
HEL
Helsinki
$481 Roundtrip, found 5 days ago
$481
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 12 from Knoxville to Helsinki, returning Tue, Nov 25, priced at $481 found 5 days ago
American Airlines
Wed, Feb 18 - Thu, Feb 26
TYS
Knoxville
HEL
Helsinki
$482 Roundtrip, just found
$482
Roundtrip
just found
Select American Airlines flight, departing Wed, Feb 18 from Knoxville to Helsinki, returning Thu, Feb 26, priced at $482 just found
Delta
Wed, Nov 12 - Thu, Nov 27
TYS
Knoxville
HEL
Helsinki
$482 Roundtrip, found 5 days ago
$482
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 12 from Knoxville to Helsinki, returning Thu, Nov 27, priced at $482 found 5 days ago
Delta
Mon, Feb 2 - Mon, Feb 16
TYS
Knoxville
HEL
Helsinki
$485 Roundtrip, found 19 hours ago
$485
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, Feb 2 from Knoxville to Helsinki, returning Mon, Feb 16, priced at $485 found 19 hours ago
Delta
Mon, Dec 8 - Thu, Dec 25
TYS
Knoxville
HEL
Helsinki
$485 Roundtrip, found 5 days ago
$485
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Dec 8 from Knoxville to Helsinki, returning Thu, Dec 25, priced at $485 found 5 days ago
American Airlines
Wed, Feb 18 - Thu, Feb 26
TYS
Knoxville
HEL
Helsinki
$486 Roundtrip, just found
$486
Roundtrip
just found
Select American Airlines flight, departing Wed, Feb 18 from Knoxville to Helsinki, returning Thu, Feb 26, priced at $486 just found
United
Mon, Dec 8 - Thu, Mar 5
TYS
Knoxville
HEL
Helsinki
$493 Roundtrip, just found
$493
Roundtrip
just found
Select United flight, departing Mon, Dec 8 from Knoxville to Helsinki, returning Thu, Mar 5, priced at $493 just found
Lufthansa
Sun, Nov 23 - Wed, Dec 10
TYS
Knoxville
HEL
Helsinki
$493 Roundtrip, found 3 days ago
$493
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Nov 23 from Knoxville to Helsinki, returning Wed, Dec 10, priced at $493 found 3 days ago
British Airways
Mon, Apr 13 - Thu, Apr 30
TYS
Knoxville
HEL
Helsinki
$507 Roundtrip, found 6 days ago
$507
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Apr 13 from Knoxville to Helsinki, returning Thu, Apr 30, priced at $507 found 6 days ago

Frequently asked questions

How much does a flight from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL) cost?
Secure a cheap one-way flight from $405 or cheap return flight from $480 from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL)?
February is the most affordable month to fly from TYS to HEL. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from TYS to HEL. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL)?
Nonstop flights from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TYS to HEL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL)?
Book a flight from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL) last-minute?
Last-minute fares from TYS to HEL are usually more expensive. For the cheapest rates, start looking for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a TYS to HEL flight and hotel package?
Compared with arranging flights and hotels separately, booking a TYS to HEL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from McGhee Tyson Airport (TYS) to Vantaa Airport (HEL)?
It's usually possible to reschedule or cancel your TYS to HEL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
McGhee Tyson
Destination airport
Vantaa
Airlines serving
Air France, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United
Roundtrip price
$480
Distance
4684 mi

Book with confidence

Knoxville to Helsinki Flights

The cheapest times to fly from Knoxville to Helsinki

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Knoxville to Helsinki are during the month of February. You can find some of the cheapest flights from Knoxville to Helsinki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Knoxville to Helsinki

Sunday is one of the best days to book for cheap flights from Knoxville to Helsinki: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Knoxville to Helsinki

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Knoxville to Helsinki in 2025. You can also book with separate airlines for your outbound and return journeys, from $405 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Knoxville to Helsinki flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Knoxville to Helsinki airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Knoxville to Helsinki Flights

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*Available to One Key members.