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Heidelberg

$399+ Cheap flights from Knoxville (TYS) to Heidelberg, Germany

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FRA
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Knoxville to Heidelberg

Cheapest flights from Knoxville to Heidelberg
Explore the most affordable flight options available from Knoxville to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/18:23 am
TYS
-
FRA
1 stop16h 52m
American Airlines
Tue 2/1710:50 am
FRA
-
TYS
1 stop12h 47m
American Airlines
Deal found 1/20$552
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Tue 2/34:00 pm
TYS
-
FRA
1 stop33h 15m
British Airways
Fri 2/2010:50 am
FRA
-
TYS
1 stop17h 05m
British Airways
Deal found 1/20$554
This KAYAK deal was found by Cheapflights users on 1/20. 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.
Tue 2/34:00 pm
TYS
-
FRA
1 stop33h 15m
British Airways
Wed 2/188:40 pm
FRA
-
TYS
2 stops30h 27m
British Airways
Deal found 1/20$570
This oojo deal was found by Cheapflights users on 1/19. 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.
Thu 3/56:10 am
TYS
-
FRA
2 stops31h 15m
British Airways
Thu 3/1210:50 am
FRA
-
TYS
1 stop16h 04m
British Airways
Deal found 1/19$572
This oojo deal was found by Cheapflights users on 1/17. 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.
Fri 2/2011:42 am
TYS
-
FRA
2 stops22h 03m
British Airways
Fri 2/277:00 am
FRA
-
TYS
2 stops20h 07m
British Airways
Deal found 1/17$581
This Finnair deal was found by Cheapflights users on 1/17. 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.
Fri 2/2012:21 pm
TYS
-
FRA
1 stop12h 54m
Finnair
Fri 2/2710:15 am
FRA
-
TYS
1 stop19h 40m
Finnair
Deal found 1/17$585
This American Airlines deal was found by Cheapflights users on 1/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2011:42 am
TYS
-
FRA
2 stops15h 08m
American Airlines
Fri 2/2710:50 am
FRA
-
TYS
2 stops16h 17m
American Airlines
Deal found 1/17$589
This Flighttix deal was found by Cheapflights users on 1/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:30 am
TYS
-
FRA
2 stops19h 40m
Air Canada
Tue 2/175:10 pm
FRA
-
TYS
2 stops28h 05m
Air Canada
Deal found 1/20$593
This Air Canada deal was found by Cheapflights users on 1/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/22:25 pm
TYS
-
FRA
2 stops35h 00m
Air Canada
Thu 2/195:10 pm
FRA
-
TYS
2 stops47h 39m
Air Canada
Deal found 1/20$597
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 am
TYS
-
FRA
2 stops18h 25m
United Airlines
Thu 3/125:10 pm
FRA
-
TYS
2 stops32h 37m
United Airlines
Deal found 1/19$598
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/19:05 am
TYS
-
FRA
1 stop20h 35m
United Airlines
Tue 2/179:50 am
FRA
-
TYS
2 stops15h 39m
United Airlines
Deal found 1/20$600
This Air Canada deal was found by Cheapflights users on 1/20. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/49:30 am
TYS
-
FRA
2 stops16h 25m
Air Canada
Thu 2/195:10 pm
FRA
-
TYS
2 stops47h 39m
Air Canada
Deal found 1/20$602

Find flight deals from Knoxville to Heidelberg

Keep the following information in mind while searching for Knoxville to Heidelberg flight deals. Data was last updated January 20, 2026.

Round-trip from

$552
(American Airlines)

One-way from

$399

Popular in

December

Cheapest in

April
From Knoxville McGhee Tyson to Heidelberg
Search Deals
One-way flight from Knoxville McGhee Tyson to Heidelberg
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($74 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Heidelberg 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 January 20, 2026.
Use the filters below to find and compare flights from Knoxville to Heidelberg that are best for you.

Fly from

Knoxville

Fly to

Heidelberg

Route

Depart

Return

Price

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sun 2/8

4:00 pm-7:15 am

1 stop33h 15m

Frankfurt am Main

Wed 2/18

10:50 am-5:37 pm

1 stop12h 47m

$554

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 2/20

11:42 am-3:45 pm

2 stops22h 03m

Frankfurt am Main

Fri 2/27

7:00 am-9:07 pm

2 stops20h 07m

$581

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 2/20

11:45 am-8:50 am

1 stop15h 05m

Frankfurt am Main

Fri 2/27

10:15 am-11:55 pm

1 stop19h 40m

$585

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 2/20

12:21 pm-7:15 am

1 stop12h 54m

Frankfurt am Main

Fri 2/27

10:15 am-11:55 pm

1 stop19h 40m

$585

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sun 2/8

9:30 am-7:25 am

2 stops39h 55m

Frankfurt am Main

Fri 2/20

10:05 am-7:29 pm

2 stops39h 24m

$597

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sun 2/1

9:05 am-11:40 am

1 stop20h 35m

Frankfurt am Main

Tue 2/17

9:50 am-7:29 pm

2 stops15h 39m

$600

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 4/18

6:38 pm-10:25 pm

2 stops45h 47m

Frankfurt am Main

Sun 4/26

9:20 am-11:55 pm

1 stop20h 35m

$602

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Tue 2/3

1:59 pm-11:05 am

2 stops15h 06m

Frankfurt am Main

Wed 2/18

9:00 am-7:29 pm

2 stops16h 29m

$603

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 2/4

1:59 pm-10:05 am

2 stops14h 06m

Frankfurt am Main

Wed 2/18

9:00 am-7:29 pm

2 stops16h 29m

$603

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Mon 2/2

7:20 pm-4:05 pm

2 stops14h 45m

Frankfurt am Main

Wed 2/18

8:15 am-8:37 pm

2 stops18h 22m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 11 results
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Best time to book a flight from Knoxville to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg 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 Heidelberg

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

Currently, November is the cheapest month in which you can book a flight from Knoxville to Heidelberg (average of $556). Flying from Knoxville to Heidelberg in June is currently the most expensive (average of $1,066). 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.

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. 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 Heidelberg. Reviews last updated January 20, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Heidelberg have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,085 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,085 reviews
Delta
7.9
Good
8,085 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,188 reviews
Delta
7.9
Good
8,085 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,169 reviews
Delta
7.9
Good
8,085 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,736 reviews
Delta
7.9
Good
8,085 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Heidelberg. 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 from for flights from Knoxville to Heidelberg?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson is the airport most travelers will use when flying to Heidelberg from Knoxville. Booking flights from McGhee Tyson (TYS) to Heidelberg should be relatively easy as there are 0 daily outbound flights to Heidelberg from 4 different airlines.

  • How long is the flight from Knoxville to Heidelberg?

    Airlines like British Airways, American Airlines, and Finnair fly from Knoxville to Heidelberg in about 12h 54m. The time it takes to get you to your destination can typically vary by up to 20h 21m. There are 4476 mi between Knoxville and Heidelberg. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Knoxville to Heidelberg?

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Heidelberg 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 Heidelberg?

    Currently, November is the cheapest month in which you can book a flight from Knoxville to Heidelberg (average of $556). Flying from Knoxville to Heidelberg in June is currently the most expensive (average of $1,066). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Knoxville to Heidelberg

Discover the top 4 airlines that operate flights from Knoxville to Heidelberg. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$651Average$1,089FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$676Average$1,160FlexibilityNo cancel feeOn-time71%
DeltaCheapest$698Average$1,045FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$776Average$958FlexibilityNo cancel feeOn-time76%

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