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Heidelberg

$635+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FRA
sep. 2 — sep. 91
mar. 9/2
mar. 9/9
1 adult, Economy
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Cheap flight deals from Knoxville to Heidelberg

Keep the following information in mind while searching for Knoxville to Heidelberg flight deals. Data was last updated agosto 28, 2025.

Round-trip from

$635
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$1,444
From Knoxville McGhee Tyson to Heidelberg
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Highest demand for flights based on searches. 19% potential increase in price ($259 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($63 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 agosto 28, 2025.

This United Airlines deal was found by Cheapflights users on 8/28. 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.
lun. 10/208:50 amTYS - FRA
1 stop19h 05mUnited Airlines
mar. 11/45:10 pmFRA - TYS
2 stops29h 58mUnited Airlines
Deal found 8/28$635
This KLM deal was found by Cheapflights users on 8/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1911:40 amTYS - FRA
1 stop15h 15mKLM
mar. 11/49:50 amFRA - TYS
1 stop16h 20mKLM
Deal found 8/28$641
This American Airlines deal was found by Cheapflights users on 8/27. 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.
mar. 11/43:36 pmTYS - FRA
2 stops16h 34mAmerican Airlines
vie. 11/2110:15 amFRA - TYS
1 stop19h 37mAmerican Airlines
Deal found 8/27$655
This Delta deal was found by Cheapflights users on 8/28. 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.
dom. 10/1911:10 amTYS - FRA
2 stops16h 40mDelta
mar. 11/410:40 amFRA - TYS
2 stops16h 33mDelta
Deal found 8/28$656
This Delta deal was found by Cheapflights users on 8/27. 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.
mar. 12/95:30 amTYS - FRA
2 stops20h 20mDelta
vie. 12/1910:40 amFRA - TYS
1 stop16h 52mDelta
Deal found 8/27$676
This United Airlines deal was found by Cheapflights users on 8/28. 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.
mar. 12/97:25 pmTYS - FRA
2 stops14h 40mUnited Airlines
vie. 12/192:05 pmFRA - TYS
2 stops15h 54mUnited Airlines
Deal found 8/28$678
This Finnair deal was found by Cheapflights users on 8/26. 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.
mar. 11/46:05 amTYS - FRA
1 stop20h 45mMultiple Airlines
sáb. 11/2210:50 amFRA - TYS
1 stop13h 11mMultiple Airlines
Deal found 8/26$702
This United Airlines deal was found by Cheapflights users on 8/26. 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.
mar. 11/46:45 amTYS - FRA
1 stop17h 50mUnited Airlines
sáb. 11/225:10 pmFRA - TYS
2 stops33h 10mUnited Airlines
Deal found 8/26$706
This American Airlines deal was found by Cheapflights users on 8/26. 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.
mar. 11/411:22 amTYS - FRA
2 stops15h 28mAmerican Airlines
sáb. 11/2210:50 amFRA - TYS
2 stops16h 31mAmerican Airlines
Deal found 8/26$707

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 agosto 28, 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

mar. 12/9

2:30 pm-7:40 am

1 stop11h 10m

Frankfurt am Main

vie. 12/19

5:10 pm-5:00 pm

2 stops29h 50m

$635

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

lun. 10/20

8:50 am-9:55 am

1 stop19h 05m

Frankfurt am Main

mar. 11/4

5:10 pm-5:08 pm

2 stops29h 58m

$635

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

dom. 10/19

2:27 pm-8:55 am

1 stop12h 28m

Frankfurt am Main

mar. 11/4

10:40 am-8:10 pm

2 stops15h 30m

$641

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

dom. 10/19

11:40 am-8:55 am

1 stop15h 15m

Frankfurt am Main

mar. 11/4

9:50 am-8:10 pm

1 stop16h 20m

$641

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

mar. 12/9

4:00 pm-8:40 am

1 stop10h 40m

Frankfurt am Main

vie. 12/19

10:40 am-9:32 pm

1 stop16h 52m

$651

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

mar. 11/4

8:07 am-8:50 am

1 stop18h 43m

Frankfurt am Main

vie. 11/21

10:50 am-6:01 pm

1 stop13h 11m

$651

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

mar. 11/4

3:36 pm-2:10 pm

2 stops16h 34m

Frankfurt am Main

vie. 11/21

10:15 am-11:52 pm

1 stop19h 37m

$655

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

dom. 10/19

11:10 am-9:50 am

2 stops16h 40m

Frankfurt am Main

mar. 11/4

10:40 am-9:13 pm

2 stops16h 33m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

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, January is the cheapest month in which you can book a flight from Knoxville to Heidelberg (average of $729). Flying from Knoxville to Heidelberg in June is currently the most expensive (average of $1,091). 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 agosto 28, 2025.

When flying from Knoxville to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 agosto 28, 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
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,382 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,944 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,368 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 United Airlines and KLM fly from Knoxville to Heidelberg in about 11h 10m. The time it takes to get you to your destination can typically vary by up to 4h 05m. 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, January is the cheapest month in which you can book a flight from Knoxville to Heidelberg (average of $729). Flying from Knoxville to Heidelberg in June is currently the most expensive (average of $1,091). 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 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 agosto 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$651Average$1,097FlexibilityNo cancel feeOn-time69%
DeltaCheapest$681Average$957FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$690Average$1,039FlexibilityNo cancel feeOn-time71%
KLMCheapest$691Average$1,475FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$776Average$958FlexibilityNo cancel feeOn-time76%

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