HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Heidelberg

$576+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — FRA
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Heidelberg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 26, 2025.

This Expedia deal was found by Cheapflights users on 12/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:00 amTYS - FRA
1 stop14h 25mLufthansa
Sun 1/44:15 pmFRA - TYS
2 stops36h 24mLufthansa
Deal found 12/26$15,874

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 26, 2025.

Round-trip from

$576
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$1,825
From Knoxville McGhee Tyson to Heidelberg
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($302 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 26, 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

Fri 1/23

5:29 pm-9:05 pm

2 stops21h 36m

Frankfurt am Main

Fri 1/30

8:50 am-8:52 pm

2 stops18h 02m

$576

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Thu 2/5

6:45 am-7:25 am

1 stop18h 40m

Frankfurt am Main

Sun 2/8

5:10 pm-8:52 pm

2 stops33h 42m

$594

KnoxvilleFrankfurt am Main

TYS - FRA

TYSFRA

Knoxville McGhee Tyson

Wed 3/18

6:10 am-2:05 pm

2 stops26h 55m

Frankfurt am Main

Fri 3/27

7:00 am-9:05 pm

2 stops19h 05m

$647

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-9:06 pm

1 stop15h 26m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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 26, 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 26, 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
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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
8,019 reviews
Delta
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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
1,434 reviews
Delta
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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
9,116 reviews
Delta
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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
11,066 reviews
Delta
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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
7,653 reviews
Delta
7.9
Good
8,019 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.1

Entertainment

7.9

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 Lufthansa and United Airlines fly from Knoxville to Heidelberg in about 18h 40m. The time it takes to get you to your destination can typically vary by up to 2h 56m. 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$651Average$1,089FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$676Average$1,066FlexibilityNo cancel feeOn-time71%
DeltaCheapest$698Average$1,045FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$776Average$958FlexibilityNo cancel feeOn-time76%
KLMCheapest$967Average$1,475FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights