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Heidelberg

$608+ Cheap flights from Knoxville (TYS) to Heidelberg, Germany

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FRA
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
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 February 21, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/1811:40 am
TYS
-
FRA
2 stops18h 25m
United Airlines
Wed 3/256:50 am
FRA
-
TYS
2 stops18h 57m
United Airlines
Deal found 2/18$608
This Virgin Atlantic deal was found by Cheapflights users on 2/18. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:18 am
TYS
-
FRA
1 stop15h 32m
Virgin Atlantic
Wed 3/2510:40 am
FRA
-
TYS
1 stop15h 26m
Virgin Atlantic
Deal found 2/18$613
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/710:49 am
TYS
-
FRA
2 stops19h 16m
United Airlines
Tue 4/149:00 am
FRA
-
TYS
2 stops16h 42m
United Airlines
Deal found 2/21$669
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/29:40 am
TYS
-
FRA
1 stop15h 30m
United Airlines
Mon 3/94:10 pm
FRA
-
TYS
2 stops32h 19m
United Airlines
Deal found 2/17$675
This Iberia deal was found by Cheapflights users on 2/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:02 pm
TYS
-
FRA
2 stops20h 08m
Multiple Airlines
Mon 3/97:35 pm
FRA
-
TYS
2 stops30h 49m
Multiple Airlines
Deal found 2/17$687
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 4/221:52 pm
TYS
-
FRA
2 stops22h 13m
United Airlines
Tue 5/195:05 pm
FRA
-
TYS
2 stops32h 30m
United Airlines
Deal found 2/18$689
This oojo deal was found by Cheapflights users on 2/18. 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.
Wed 4/225:06 pm
TYS
-
FRA
2 stops19h 34m
British Airways
Tue 5/199:20 am
FRA
-
TYS
1 stop18h 52m
British Airways
Deal found 2/18$695
This FlightHub deal was found by Cheapflights users on 2/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:40 am
TYS
-
FRA
2 stops19h 30m
Air Canada
Tue 5/195:05 pm
FRA
-
TYS
2 stops33h 40m
Air Canada
Deal found 2/19$701

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 February 21, 2026.

Round-trip from

$608
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$609
From Knoxville McGhee Tyson to Heidelberg
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($319 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 21, 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

Wed 3/18

11:40 am-11:05 am

2 stops18h 25m

Frankfurt am Main

Wed 3/25

6:50 am-8:47 pm

2 stops18h 57m

$608

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 3/18

11:18 am-7:50 am

1 stop15h 32m

Frankfurt am Main

Wed 3/25

10:40 am-9:06 pm

1 stop15h 26m

$613

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 4/22

10:49 am-12:05 pm

2 stops19h 16m

Frankfurt am Main

Tue 5/19

9:20 am-7:35 pm

2 stops16h 15m

$702

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 4/25

5:15 pm-8:55 am

1 stop33h 40m

Frankfurt am Main

Fri 5/22

7:00 am-7:46 pm

2 stops18h 46m

$705

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Tue 4/28

3:01 pm-8:55 am

1 stop11h 54m

Frankfurt am Main

Fri 5/22

7:00 am-6:42 pm

2 stops17h 42m

$705

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 4/29

11:02 am-9:50 am

1 stop16h 48m

Frankfurt am Main

Tue 5/19

11:45 am-9:25 pm

2 stops15h 40m

$705

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 4/25

5:15 pm-8:55 am

1 stop33h 40m

Frankfurt am Main

Thu 5/21

2:15 pm-11:49 pm

2 stops15h 34m

$706

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 4/22

7:50 am-9:50 am

1 stop20h 00m

Frankfurt am Main

Tue 5/19

10:15 am-11:49 pm

2 stops19h 34m

$706

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 4/24

7:20 pm-12:10 pm

1 stop10h 50m

Frankfurt am Main

Thu 5/21

9:15 am-8:56 pm

2 stops17h 41m

$755

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 4/25

7:20 pm-12:10 pm

1 stop10h 50m

Frankfurt am Main

Fri 5/22

5:10 pm-11:54 pm

1 stop12h 44m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 11 results
1
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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 February 21, 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
8,233 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

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
8,233 reviews
Delta
7.9
Good
8,233 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

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
9,339 reviews
Delta
7.9
Good
8,233 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

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
11,336 reviews
Delta
7.9
Good
8,233 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

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
7,798 reviews
Delta
7.9
Good
8,233 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

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 United Airlines, Virgin Atlantic, and Delta fly from Knoxville to Heidelberg in about 15h 32m. The time it takes to get you to your destination can typically vary by up to 18h 08m. 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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$612Average$1,233FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$650Average$1,085FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$651Average$1,066FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$776Average$958FlexibilityNo cancel feeOn-time76%

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