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Heidelberg

$364+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FRA
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/8. 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 3/97:25 pm
TYS
-
FRA
1 stop11h 25m
United Airlines
Mon 3/238:40 am
FRA
-
TYS
1 stop17h 07m
United Airlines
Deal found 2/8$604
This Billigflug deal was found by Cheapflights users on 2/8. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:25 pm
TYS
-
FRA
2 stops15h 40m
Multiple Airlines
Mon 3/235:10 pm
FRA
-
TYS
1 stop26h 40m
Multiple Airlines
Deal found 2/8$622
This Flysmarter deal was found by Cheapflights users on 2/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2011:18 am
TYS
-
FRA
1 stop15h 32m
KLM
Thu 4/211:00 am
FRA
-
TYS
1 stop16h 06m
KLM
Deal found 2/10$631
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:47 am
TYS
-
FRA
1 stop17h 53m
Delta
Tue 12/86:55 am
FRA
-
TYS
2 stops20h 39m
Delta
Deal found 2/10$632
This Virgin Atlantic deal was found by Cheapflights users on 2/10. 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.
Tue 11/244:00 pm
TYS
-
FRA
1 stop10h 40m
Virgin Atlantic
Tue 12/89:50 am
FRA
-
TYS
1 stop13h 23m
Virgin Atlantic
Deal found 2/10$635
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:40 am
TYS
-
FRA
2 stops21h 10m
Delta
Thu 4/211:45 am
FRA
-
TYS
2 stops29h 32m
Delta
Deal found 2/10$637
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/81:52 pm
TYS
-
FRA
2 stops16h 13m
United Airlines
Sun 4/125:15 pm
FRA
-
TYS
2 stops32h 27m
United Airlines
Deal found 2/10$667
This Gotogate deal was found by Cheapflights users on 2/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:10 am
TYS
-
FRA
2 stops31h 00m
British Airways
Mon 3/235:50 pm
FRA
-
TYS
2 stops32h 07m
British Airways
Deal found 2/8$679
This United Airlines deal was found by Cheapflights users on 2/9. 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 4/2210:49 am
TYS
-
FRA
2 stops19h 16m
United Airlines
Tue 5/195:05 pm
FRA
-
TYS
2 stops33h 40m
United Airlines
Deal found 2/9$688

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 11, 2026.

Round-trip from

$604
(United Airlines)

One-way from

$364
(AirNGo)

Popular in

December

Cheapest in

February

Average price

$609
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. 23% potential increase in price ($318 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 11, 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

Mon 3/9

7:25 pm-11:50 am

1 stop11h 25m

Frankfurt am Main

Mon 3/23

8:40 am-8:47 pm

1 stop17h 07m

$604

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Mon 3/9

7:25 pm-4:05 pm

2 stops15h 40m

Frankfurt am Main

Mon 3/23

5:10 pm-2:50 pm

1 stop26h 40m

$622

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 3/20

11:18 am-7:50 am

1 stop15h 32m

Frankfurt am Main

Thu 4/2

11:00 am-9:06 pm

1 stop16h 06m

$631

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 3/20

7:40 am-7:50 am

1 stop19h 10m

Frankfurt am Main

Thu 4/2

11:45 am-11:17 am

2 stops29h 32m

$637

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 4/22

1:52 pm-12:05 pm

2 stops16h 13m

Frankfurt am Main

Tue 5/19

5:05 pm-8:45 pm

2 stops33h 40m

$688

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sun 5/24

11:44 am-9:50 am

1 stop16h 06m

$364

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sun 5/24

7:12 am-7:20 am

2 stops18h 08m

$405

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 5/23

3:00 pm-9:50 am

1 stop12h 50m

$475

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 5/23

7:10 am-2:35 pm

2 stops25h 25m

$485

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sun 5/24

7:30 am-12:30 pm

3 stops47h 00m

$542

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

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 11, 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
8,181 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
8,181 reviews
Delta
7.9
Good
8,181 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
9,281 reviews
Delta
7.9
Good
8,181 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
11,271 reviews
Delta
7.9
Good
8,181 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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
7,780 reviews
Delta
7.9
Good
8,181 reviews

Entertainment

7.8

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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 United Airlines, KLM, and Delta fly from Knoxville to Heidelberg in about 11h 25m. The time it takes to get you to your destination can typically vary by up to 7h 45m. 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

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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 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$1,085FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$651Average$1,066FlexibilityNo cancel feeOn-time71%
DeltaCheapest$749Average$1,233FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$776Average$958FlexibilityNo cancel feeOn-time76%

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