Heidelberg

$90+ Cheap flights from St. Louis (STL) 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Jul 29 — Aug 51
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Cheapflights Tip: The best prices from Lambert-St Louis to Heidelberg are usually found in March or January, booked 48 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from St. Louis to Heidelberg

Cheapest flights from St. Louis to Heidelberg
Explore the most affordable flight options available from St. Louis to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 29, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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.
Mon 7/610:51 am
STL
-
FRA
1 stop15h 04m
Virgin Atlantic
Thu 7/1610:40 am
FRA
-
STL
1 stop18h 35m
Virgin Atlantic
Deal found 6/24$395
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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.
Sun 11/151:30 pm
STL
-
FRA
1 stop11h 20m
Virgin Atlantic
Tue 12/1510:40 am
FRA
-
STL
1 stop17h 09m
Virgin Atlantic
Deal found 6/24$414
This Virgin Atlantic deal was found by Cheapflights users on 6/25. 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.
Sat 9/261:40 pm
STL
-
FRA
1 stop12h 15m
Virgin Atlantic
Sat 10/311:00 am
FRA
-
STL
1 stop16h 35m
Virgin Atlantic
Deal found 6/25$443
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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.
Mon 8/316:30 am
STL
-
FRA
1 stop20h 20m
Virgin Atlantic
Wed 9/910:40 am
FRA
-
STL
1 stop16h 18m
Virgin Atlantic
Deal found 6/24$444
This Virgin Atlantic deal was found by Cheapflights users on 6/24. 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.
Sun 11/2911:51 am
STL
-
FRA
2 stops13h 49m
Virgin Atlantic
Thu 12/1010:40 am
FRA
-
STL
1 stop19h 59m
Virgin Atlantic
Deal found 6/24$456

Find flight deals from St. Louis to Heidelberg

Keep the following information in mind while searching for St. Louis to Heidelberg flight deals. Data was last updated June 29, 2026.

Round-trip from

$414
(Virgin Atlantic)

One-way from

$90
(Virgin Atlantic)

Popular in

June

Cheapest in

March

Average price

$1,758
From Lambert-St Louis to Heidelberg
One-way flight from Lambert-St Louis to Heidelberg
Highest demand for flights based on searches. 17% potential increase in price ($253 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 June 29, 2026.
Use the filters below to find and compare flights from St. Louis to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sat 8/22

11:40 am-5:45 am

1 stop11h 05m

Frankfurt am Main

Thu 8/27

12:30 pm-7:45 pm

1 stop14h 15m

$786

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 12/4

1:30 pm-7:50 am

1 stop11h 20m

Frankfurt am Main

Fri 12/11

10:40 am-8:49 pm

1 stop17h 09m

$814

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 11/4

11:51 am-7:50 am

1 stop12h 59m

Frankfurt am Main

Wed 11/18

6:55 am-8:49 pm

2 stops20h 54m

$825

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 12/2

9:00 am-7:50 am

1 stop15h 50m

Frankfurt am Main

Mon 12/14

10:40 am-8:49 pm

1 stop17h 09m

$827

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 11/18

1:30 pm-7:50 am

1 stop11h 20m

Frankfurt am Main

Wed 12/2

10:15 am-11:39 pm

2 stops20h 24m

$841

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Sun 8/9

8:20 am-5:45 am

1 stop14h 25m

Frankfurt am Main

Tue 8/25

12:30 pm-7:40 pm

1 stop14h 10m

$853

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Tue 8/11

10:33 am-9:50 am

1 stop16h 17m

Frankfurt am Main

Tue 8/18

7:00 am-3:10 pm

2 stops15h 10m

$1,020

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Fri 12/4

1:30 pm-2:30 pm

2 stops18h 00m

Frankfurt am Main

Fri 12/11

7:05 am-11:39 pm

3 stops23h 34m

$1,036

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Wed 11/4

1:30 pm-10:05 pm

3 stops25h 35m

Frankfurt am Main

Wed 11/18

10:30 am-11:39 pm

2 stops20h 09m

$1,052
Cheapest one-way

St. LouisFrankfurt am Main

STL - FRA

STLFRA

Lambert-St Louis

Thu 11/12

11:51 am-8:40 am

2 stops13h 49m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from St. Louis to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg from St. Louis 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 St. Louis to Heidelberg

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

Find hourly flight availability from St. Louis 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 June 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Heidelberg as you normally would.

How much does it cost to fly round-trip from St. Louis to Heidelberg?

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 June 29, 2026.
Get a feel of what it's like to fly with United Airlines,Lufthansa, andBritish Airways from St. Louis to Heidelberg by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

Related info for your journey

Find useful and relevant information for your journey from St. Louis 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 St. Louis to Heidelberg?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Heidelberg. On average, Lambert-St Louis has 1 outbound flight to Heidelberg per day from 3 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Heidelberg?

    A quick flight from St. Louis to Heidelberg can take about 11h 20m. Delta provides one of the quickest options available for as low as $814. Airlines will cover a distance of 4577 mi.

  • What are the cheapest flights from St. Louis to Heidelberg?

    The cheapest flight price from St. Louis to Heidelberg is $418. On average you can expect to pay $2,433. The most popular route, (Lambert-St Louis - Frankfurt am Main), can usually be booked for $666.

  • Can I find deals for flights from St. Louis to Heidelberg that include hotel bookings?

    Yes. In addition to deals on St. Louis to Heidelberg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Heidelberg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Heidelberg.

  • Can I find deals for business class flights from St. Louis to Heidelberg?

    Yes. Cheapflights offers flight deals from St. Louis 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.

See more FAQs

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Alternative routes for St. Louis to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from St. Louis to Heidelberg

Discover the top 3 airlines that operate flights from St. Louis 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 June 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$470Average$717FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$803Average$1,231FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$830Average$1,323FlexibilityNo cancel feeOn-time76%

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