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Heidelberg

$375+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FRA
Jan 1 — Jan 81
Thu 1/1
Thu 1/8
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 December 2, 2025.

This Finnair deal was found by Cheapflights users on 11/30. 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.
Mon 12/295:23 amTYS - FRA
1 stop19h 52mMultiple Airlines
Tue 1/137:20 pmFRA - TYS
2 stops33h 27mMultiple Airlines
Deal found 11/30$553
This Delta deal was found by Cheapflights users on 11/30. 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.
Mon 12/297:39 amTYS - FRA
1 stop18h 11mDelta
Tue 1/139:50 amFRA - TYS
1 stop13h 26mDelta
Deal found 11/30$556
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:25 pmTYS - FRA
2 stops15h 05mLufthansa
Wed 3/188:15 amFRA - TYS
2 stops17h 32mLufthansa
Deal found 12/2$638
This Cheapflightsfares deal was found by Cheapflights users on 12/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:25 pmTYS - FRA
2 stops15h 05mLufthansa
Mon 12/158:15 amFRA - TYS
2 stops18h 49mLufthansa
Deal found 12/2$660
This United Airlines deal was found by Cheapflights users on 11/30. 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 12/297:23 pmTYS - FRA
1 stop29h 47mUnited Airlines
Fri 1/99:05 amFRA - TYS
2 stops16h 22mUnited Airlines
Deal found 11/30$664
This Finnair deal was found by Cheapflights users on 12/2. 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.
Thu 12/115:05 amTYS - FRA
1 stop21h 45mMultiple Airlines
Wed 3/1810:50 amFRA - TYS
1 stop26h 52mMultiple Airlines
Deal found 12/2$669
This Finnair deal was found by Cheapflights users on 12/2. 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.
Thu 12/111:37 pmTYS - FRA
1 stop13h 13mMultiple Airlines
Mon 12/1510:50 amFRA - TYS
1 stop18h 05mMultiple Airlines
Deal found 12/2$720
This Finnair deal was found by Cheapflights users on 11/30. 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.
Mon 12/2910:09 amTYS - FRA
1 stop16h 41mMultiple Airlines
Fri 1/910:15 amFRA - TYS
1 stop12h 34mMultiple Airlines
Deal found 11/30$873
This United Airlines deal was found by Cheapflights users on 11/29. 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 12/91:52 pmTYS - FRA
2 stops15h 13mUnited Airlines
Fri 12/1911:05 amFRA - TYS
2 stops29h 51mUnited Airlines
Deal found 11/29$922

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 December 2, 2025.

Round-trip from

$539
(Kiwi.com)

One-way from

$375
(United Airlines)

Popular in

May

Cheapest in

March

Average price

$849
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. 10% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 2, 2025.
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 12/29

5:23 am-7:15 am

1 stop19h 52m

Frankfurt am Main

Tue 1/13

7:20 pm-10:47 pm

2 stops33h 27m

$553

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 3/18

5:01 pm-8:40 am

1 stop10h 39m

Frankfurt am Main

Fri 3/27

10:40 am-8:55 pm

1 stop15h 15m

$556

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 3/18

10:04 am-8:40 am

1 stop17h 36m

Frankfurt am Main

Fri 3/27

10:40 am-8:55 pm

1 stop15h 15m

$556

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Mon 12/29

7:39 am-7:50 am

1 stop18h 11m

Frankfurt am Main

Tue 1/13

9:50 am-5:16 pm

1 stop13h 26m

$556

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Thu 1/15

2:19 pm-10:00 pm

2 stops25h 41m

Frankfurt am Main

Thu 1/22

7:45 pm-8:56 pm

2 stops31h 11m

$580

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 2/11

11:58 am-8:40 am

1 stop14h 42m

Frankfurt am Main

Sun 2/15

9:50 am-11:52 pm

1 stop20h 02m

$581

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 1/23

1:00 pm-7:50 am

1 stop12h 50m

Frankfurt am Main

Tue 1/27

9:50 am-11:45 pm

1 stop19h 55m

$581

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 1/23

7:20 pm-11:50 am

1 stop10h 30m

Frankfurt am Main

Tue 1/27

5:10 pm-1:24 pm

2 stops26h 14m

$589

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 1/23

1:59 pm-10:05 am

2 stops14h 06m

Frankfurt am Main

Tue 1/27

10:15 am-7:27 pm

2 stops15h 12m

$601

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 2/11

1:59 pm-10:05 am

2 stops14h 06m

Frankfurt am Main

Sun 2/15

9:00 am-7:29 pm

2 stops16h 29m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 16 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.

What is the cheapest time of day to fly from TYS to HE1?

Find hourly flight availability from Knoxville to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 2, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Knoxville to Heidelberg by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Knoxville to Heidelberg?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Heidelberg. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Knoxville to Heidelberg flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 2, 2025.
See what other customers who have flown with Delta, KLM, and United 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
8,013 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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
8,013 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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.
KLM
7.7
Good
1,426 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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
9,063 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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
11,043 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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
7,602 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.1

Comfort

7.9

Food

7.3

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 5 different airlines.

  • How long is the flight from Knoxville to Heidelberg?

    Airlines like Delta fly from Knoxville to Heidelberg in about 10h 39m. The time it takes to get you to your destination can typically vary by up to . There are 4476 mi between Knoxville and Heidelberg.

  • 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 5 airlines flying from Knoxville to Heidelberg

Discover the top 5 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 December 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$651Average$1,090FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$676Average$1,066FlexibilityNo cancel feeOn-time71%
DeltaCheapest$698Average$972FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$776Average$976FlexibilityNo cancel feeOn-time76%
KLMCheapest$967Average$1,475FlexibilityNo cancel feeOn-time75%

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