Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Knoxville to Helsinki from $507

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Helsinki departing on 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Knoxville to Helsinki

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:07 am - 1:05 pm
TYS
-
HEL
18h 58m2 stops
United Airlines Logo
7:05 am - 7:27 pm
HEL
-
TYS
19h 22m2 stops
$507United Airlines
Fri, Feb 6 - Tue, Feb 10
United Airlines Logo
9:30 am - 1:05 pm
TYS
-
HEL
20h 35m2 stops
United Airlines Logo
12:45 pm - 7:27 pm
HEL
-
TYS
37h 42m2 stops
$521United Airlines
Fri, Feb 6 - Tue, Feb 10
Finnair Logo
12:19 pm - 10:45 am
TYS
-
HEL
15h 26m1 stop
Finnair Logo
12:30 pm - 10:47 pm
HEL
-
TYS
17h 17m1 stop
$708Finnair
Fri, Feb 6 - Tue, Feb 10
Finnair Logo
12:19 pm - 10:45 am
TYS
-
HEL
15h 26m1 stop
Finnair Logo
12:30 pm - 10:47 pm
HEL
-
TYS
17h 17m1 stop
$733Finnair
Fri, Feb 6 - Tue, Feb 10
Multiple Airlines Logo
6:56 pm - 2:15 pm
TYS
-
HEL
12h 19m1 stop
Multiple Airlines Logo
4:25 pm - 11:16 pm
HEL
-
TYS
13h 51m1 stop
$894Multiple Airlines
Tue, May 26 - Sat, Jun 6
Multiple Airlines Logo
2:32 pm - 10:45 am
TYS
-
HEL
13h 13m1 stop
Multiple Airlines Logo
6:45 am - 5:33 pm
HEL
-
TYS
17h 48m2 stops
$926Multiple Airlines
Tue, May 26 - Sat, Jun 6
Finnair Logo
12:19 pm - 10:45 am
TYS
-
HEL
15h 26m1 stop
Finnair Logo
7:50 am - 10:47 pm
HEL
-
TYS
21h 57m2 stops
$1,001Finnair
Fri, Feb 6 - Tue, Feb 10
Multiple Airlines Logo
8:48 pm - 11:00 pm
TYS
-
HEL
19h 12m2 stops
Multiple Airlines Logo
7:25 am - 8:38 pm
HEL
-
TYS
20h 13m2 stops
$1,034Multiple Airlines
Tue, May 26 - Sat, Jun 6
Finnair Logo
12:21 pm - 10:45 am
TYS
-
HEL
15h 24m1 stop
Finnair Logo
12:30 pm - 9:39 pm
HEL
-
TYS
16h 09m1 stop
$3,753Finnair
Wed, Feb 11 - Fri, Feb 20
British Airways Logo
4:00 pm - 3:15 pm
TYS
-
HEL
16h 15m2 stops
British Airways Logo
11:20 am - 10:09 pm
HEL
-
TYS
17h 49m2 stops
$3,967British Airways
Thu, Jan 8 - Sun, Jan 18

United Airlines flights from Knoxville to Helsinki

Our best United Airlines deals on Knoxville to Helsinki flight tickets
United Airlines
Feb 6
TYS11:07 amKnoxville McGhee Tyson
18h 58m
2 stops
HEL1:05 pmHelsinki-Vantaa
Feb 10
HEL7:05 amHelsinki-Vantaa
19h 22m
2 stops
TYS7:27 pmKnoxville McGhee Tyson
$507
Find similar
United Airlines
Feb 6
TYS9:30 amKnoxville McGhee Tyson
20h 35m
2 stops
HEL1:05 pmHelsinki-Vantaa
Feb 10
HEL12:45 pmHelsinki-Vantaa
37h 42m
2 stops
TYS7:27 pmKnoxville McGhee Tyson
$521
Find similar

Finnair flights from Knoxville to Helsinki

Our best Finnair deals on Knoxville to Helsinki flight tickets
Finnair
Feb 6
TYS12:19 pmKnoxville McGhee Tyson
15h 26m
1 stop
HEL10:45 amHelsinki-Vantaa
Feb 10
HEL12:30 pmHelsinki-Vantaa
17h 17m
1 stop
TYS10:47 pmKnoxville McGhee Tyson
$708
Find similar
Finnair
Feb 6
TYS12:19 pmKnoxville McGhee Tyson
15h 26m
1 stop
HEL10:45 amHelsinki-Vantaa
Feb 10
HEL12:30 pmHelsinki-Vantaa
17h 17m
1 stop
TYS10:47 pmKnoxville McGhee Tyson
$733
Find similar
Finnair
Feb 6
TYS12:19 pmKnoxville McGhee Tyson
15h 26m
1 stop
HEL10:45 amHelsinki-Vantaa
Feb 10
HEL7:50 amHelsinki-Vantaa
21h 57m
2 stops
TYS10:47 pmKnoxville McGhee Tyson
$1,001
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville 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, momondo users made 832,500 searches. Data last updated December 5, 2025.
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

Fri 2/6

11:07 am-1:05 pm

2 stops18h 58m

Helsinki-Vantaa

Tue 2/10

7:05 am-7:27 pm

2 stops19h 22m

$507

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Fri 2/6

9:30 am-1:05 pm

2 stops20h 35m

Helsinki-Vantaa

Tue 2/10

12:45 pm-7:27 pm

2 stops37h 42m

$521

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Fri 2/6

12:19 pm-10:45 am

1 stop15h 26m

Helsinki-Vantaa

Tue 2/10

12:30 pm-10:47 pm

1 stop17h 17m

$708

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Fri 2/6

12:19 pm-10:45 am

1 stop15h 26m

Helsinki-Vantaa

Tue 2/10

12:30 pm-10:47 pm

1 stop17h 17m

$733

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Tue 5/26

6:56 pm-2:15 pm

1 stop12h 19m

Helsinki-Vantaa

Sat 6/6

4:25 pm-11:16 pm

1 stop13h 51m

$894

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Tue 5/26

2:32 pm-10:45 am

1 stop13h 13m

Helsinki-Vantaa

Sat 6/6

6:45 am-5:33 pm

2 stops17h 48m

$926

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Fri 2/6

12:19 pm-10:45 am

1 stop15h 26m

Helsinki-Vantaa

Tue 2/10

7:50 am-10:47 pm

2 stops21h 57m

$1,001

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Tue 5/26

8:48 pm-11:00 pm

2 stops19h 12m

Helsinki-Vantaa

Sat 6/6

7:25 am-8:38 pm

2 stops20h 13m

$1,034

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Wed 2/11

12:21 pm-10:45 am

1 stop15h 24m

Helsinki-Vantaa

Fri 2/20

12:30 pm-9:39 pm

1 stop16h 09m

$3,753

KnoxvilleHelsinki

TYS - HEL

TYSHEL

Knoxville McGhee Tyson

Thu 1/8

4:00 pm-3:15 pm

2 stops16h 15m

Helsinki-Vantaa

Sun 1/18

11:20 am-10:09 pm

2 stops17h 49m

$3,967

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Helsinki from

How to get the cheapest flight ticket from Knoxville to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Tuesday when prices can be found for as low as $541. This is often the case because there is less demand to fly during this day of the week. Flights from Knoxville to Helsinki on a Saturday will generally be more expensive and average around $1,563. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Helsinki?

According to our data, the cheapest time of day to fly to Helsinki is in the morning. momondo users have found flights departing from Knoxville to Helsinki in the morning for as low as $546. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Helsinki, so prices are often more expensive at around $1,398 per ticket.

When to book flights from Knoxville to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Helsinki (TYS to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Helsinki

Fastest flight time

12h 19m

Direct flights

None
The fastest flight from Knoxville to Helsinki takes 12h 19m
There are no direct flights from Knoxville to Helsinki. There are no popular flight routes from Knoxville to Helsinki.
Search flight deals

  • How far is Knoxville McGhee Tyson to Helsinki-Vantaa by plane?

    The straight-line distance from Knoxville McGhee Tyson to Helsinki-Vantaa is 4675.2 mi. Typically, this will take 12h 19m by plane in normal conditions.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Helsinki-Vantaa Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Helsinki-Vantaa Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Helsinki-Vantaa Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Lahti
Kotka

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Helsinki?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Helsinki. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to Helsinki with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Helsinki from Knoxville with this policy.

How can momondo help me find flights from Knoxville to Helsinki?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Knoxville to Helsinki.

I’m not ready to book a flight from Knoxville to Helsinki right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Helsinki, momondo offers a useful price alert feature which will track prices for flights to Helsinki from Knoxville and alert you when they change.

An easier way to manage your Helsinki trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 1/4
Sun 1/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Finland