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Heidelberg

$437+ 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 11/28. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FRA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Round-trip from

$605
(Travelocity)

One-way from

$437
(Thrive Travel)

Popular in

June

Cheapest in

March

Average price

$1,095
From Knoxville McGhee Tyson to Heidelberg
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One-way flight from Knoxville McGhee Tyson to Heidelberg
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Highest demand for flights based on searches. 21% potential increase in price ($284 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 2025.

This Travelocity deal was found by Cheapflights users on 10/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:16 pmTYS - FRA
2 stops16h 54mBritish Airways
Thu 11/2010:50 amFRA - TYS
1 stop19h 01mBritish Airways
Deal found 10/14$605
This Finnair deal was found by Cheapflights users on 10/14. 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 11/131:25 pmTYS - FRA
1 stop13h 25mMultiple Airlines
Thu 11/2010:50 amFRA - TYS
1 stop13h 11mMultiple Airlines
Deal found 10/14$607
This Finnair deal was found by Cheapflights users on 10/16. 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.
Sun 11/308:59 amTYS - FRA
1 stop17h 51mMultiple Airlines
Sun 12/77:20 pmFRA - TYS
2 stops34h 37mMultiple Airlines
Deal found 10/16$609
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/2811:21 amTYS - FRA
2 stops15h 29mAmerican Airlines
Fri 12/510:50 amFRA - TYS
2 stops16h 50mAmerican Airlines
Deal found 10/14$612
This oojo deal was found by Cheapflights users on 10/14. 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.
Sat 11/16:11 pmTYS - FRA
1 stop33h 39mBritish Airways
Sun 11/237:25 amFRA - TYS
2 stops19h 38mBritish Airways
Deal found 10/14$622
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/139:50 amTYS - FRA
2 stops19h 15mUnited Airlines
Thu 11/207:20 amFRA - TYS
2 stops19h 00mUnited Airlines
Deal found 10/14$627
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 11/12:25 pmTYS - FRA
2 stops17h 05mUnited Airlines
Sun 11/235:10 pmFRA - TYS
2 stops33h 10mUnited Airlines
Deal found 10/14$700
This Air Canada deal was found by Cheapflights users on 10/14. 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.
Thu 11/135:45 amTYS - FRA
3 stops18h 55mAir Canada
Thu 11/2010:15 amFRA - TYS
3 stops19h 44mAir Canada
Deal found 10/14$741
This Air Canada deal was found by Cheapflights users on 10/14. 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.
Fri 11/285:45 amTYS - FRA
3 stops19h 40mAir Canada
Fri 12/510:15 amFRA - TYS
3 stops30h 33mAir Canada
Deal found 10/14$792
This FlightHub deal was found by Cheapflights users on 10/13. 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.
Tue 12/93:19 pmTYS - FRA
1 stop11h 31mBritish Airways
Fri 12/1910:50 amFRA - TYS
1 stop18h 57mBritish Airways
Deal found 10/13$797
This Finnair deal was found by Cheapflights users on 10/13. 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.
Sat 12/1310:59 amTYS - FRA
1 stop15h 51mMultiple Airlines
Sun 12/2810:50 amFRA - TYS
1 stop13h 10mMultiple Airlines
Deal found 10/13$821

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 October 16, 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

Sun 11/30

5:05 am-8:50 am

1 stop21h 45m

Frankfurt am Main

Sun 12/7

10:50 am-7:43 pm

1 stop14h 53m

$607

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 11/28

10:50 am-8:50 am

1 stop16h 00m

Frankfurt am Main

Fri 12/5

10:50 am-9:22 pm

1 stop16h 32m

$607

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Thu 11/13

1:25 pm-8:50 am

1 stop13h 25m

Frankfurt am Main

Thu 11/20

10:50 am-6:01 pm

1 stop13h 11m

$607

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 11/28

11:21 am-8:50 am

2 stops15h 29m

Frankfurt am Main

Fri 12/5

10:50 am-9:40 pm

2 stops16h 50m

$612

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 11/1

6:11 pm-8:50 am

1 stop33h 39m

Frankfurt am Main

Sun 11/23

10:50 am-7:33 pm

1 stop14h 43m

$612

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sat 11/1

2:25 pm-12:30 pm

2 stops17h 05m

Frankfurt am Main

Sun 11/23

5:10 pm-8:20 pm

2 stops33h 10m

$700

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Thu 11/13

5:45 am-6:40 am

3 stops18h 55m

Frankfurt am Main

Thu 11/20

10:15 am-11:59 pm

3 stops19h 44m

$741

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Tue 12/9

3:19 pm-8:50 am

1 stop11h 31m

Frankfurt am Main

Fri 12/19

10:50 am-11:47 pm

1 stop18h 57m

$797

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Sun 11/30

2:25 pm-11:05 am

2 stops14h 40m

Frankfurt am Main

Sun 12/7

9:00 am-7:29 pm

2 stops16h 29m

$833

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Fri 11/28

1:52 pm-1:05 pm

2 stops17h 13m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 12 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, August is the cheapest month in which you can book a flight from Knoxville to Heidelberg (average of $646). Flying from Knoxville to Heidelberg in June is currently the most expensive (average of $1,044). 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 October 16, 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 October 16, 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
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,978 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,497 reviews
Delta
7.9
Good
7,978 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 American Airlines fly from Knoxville to Heidelberg in about 15h 29m. 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, August is the cheapest month in which you can book a flight from Knoxville to Heidelberg (average of $646). Flying from Knoxville to Heidelberg in June is currently the most expensive (average of $1,044). 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$651Average$1,089FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$676Average$1,160FlexibilityNo cancel feeOn-time71%
DeltaCheapest$681Average$957FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$776Average$976FlexibilityNo cancel feeOn-time76%
KLMCheapest$967Average$1,475FlexibilityNo cancel feeOn-time75%

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