$317+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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.Cheapflights Tip: The best prices from Lambert-St Louis to Heidelberg are usually found in March or January, booked 59 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from St. Louis to Heidelberg
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to HeidelbergExplore 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 August 24, 2026.
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 August 24, 2026.
This Expedia deal was found by Cheapflights users on 8/22. 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.
Wed 12/911:05 am -
1 stop13h 15m
Wed 2/1710:45 am -
Nonstop10h 00m
Deal found 8/22![Lufthansa logo]()
$784
This Expedia deal was found by Cheapflights users on 8/22. 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.
Wed 12/911:05 am -
1 stop13h 15m
Wed 2/175:10 pm -
1 stop29h 16m
Deal found 8/22![Multiple Airlines logo]()
$790
This Expedia deal was found by Cheapflights users on 8/22. 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.
Fri 10/306:50 pm -
2 stops53h 25m
Fri 11/1310:45 am -
Nonstop10h 00m
Deal found 8/22![Lufthansa logo]()
$792
This Gotogate deal was found by Cheapflights users on 8/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/284:05 pm -
1 stop31h 35m
Wed 12/1610:45 am -
Nonstop10h 00m
Deal found 8/21![Multiple Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 8/21. 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 11/283:15 pm -
1 stop32h 20m
Wed 12/169:45 am -
2 stops31h 57m
Deal found 8/21![United Airlines logo]()
$796
This Justfly.com deal was found by Cheapflights users on 8/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:50 pm -
2 stops29h 35m
Wed 11/259:45 am -
2 stops36h 58m
Deal found 8/21![Air Canada logo]()
$799
This Expedia deal was found by Cheapflights users on 8/23. 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.
Fri 11/136:50 pm -
2 stops52h 50m
Tue 11/2410:50 am -
1 stop17h 45m
Deal found 8/23![Multiple Airlines logo]()
$800
This Cheapflightsfares deal was found by Cheapflights users on 8/21. 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.
Tue 11/101:08 pm -
1 stop11h 22m
Wed 11/251:15 pm -
2 stops15h 20m
Deal found 8/21![Lufthansa logo]()
$802
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:15 pm -
2 stops13h 50m
Fri 12/1810:45 am -
Nonstop10h 00m
Deal found 8/24![United Airlines logo]()
$803
This Air Canada deal was found by Cheapflights users on 8/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:00 pm -
2 stops29h 25m
Tue 12/155:10 pm -
2 stops26h 00m
Deal found 8/24![Air Canada logo]()
$805
This Expedia deal was found by Cheapflights users on 8/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:29 pm -
2 stops16h 11m
Tue 12/1510:15 am -
1 stop14h 39m
Deal found 8/24![British Airways logo]()
$806
Best flights from St. Louis to HeidelbergDiscover carefully curated flight deals from St. Louis to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
Discover carefully curated flight deals from St. Louis to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 24, 2026.
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:30 am -
1 stop16h 05m
Wed 12/24:40 pm -
2 stops32h 36m
Deal found 8/24![United Airlines logo]()
$814
This Finnair deal was found by Cheapflights users on 8/21. 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 9/2112:46 pm -
1 stop12h 59m
Tue 10/611:30 am -
2 stops19h 49m
Deal found 8/21![Finnair logo]()
$942
This Delta deal was found by Cheapflights users on 8/19. 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.
Wed 9/1610:05 am -
2 stops16h 45m
Wed 9/237:00 am -
2 stops16h 47m
Deal found 8/19![Delta logo]()
$1,106
This United Airlines deal was found by Cheapflights users on 8/22. 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 12/55:55 pm -
1 stop34h 45m
Sat 1/169:45 am -
2 stops32h 24m
Deal found 8/22![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 8/22. 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 11/146:50 pm -
1 stop28h 45m
Sat 1/169:45 am -
2 stops33h 55m
Deal found 8/22![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:30 am -
1 stop15h 05m
Sun 11/810:45 am -
Nonstop10h 00m
Deal found 8/24![United Airlines logo]()
$857
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Sun 10/1812:10 pm -
2 stops14h 55m
Wed 10/2811:25 am -
2 stops16h 10m
Deal found 8/22![United Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/512:10 pm -
1 stop10h 50m
Wed 10/1410:10 am -
2 stops18h 11m
Deal found 8/20![United Airlines logo]()
$944
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Fri 10/2312:10 pm -
1 stop10h 50m
Sun 11/19:45 am -
2 stops43h 07m
Deal found 8/21![United Airlines logo]()
$970
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 10/412:10 pm -
1 stop10h 50m
Sun 10/119:55 am -
1 stop15h 46m
Deal found 8/20![United Airlines logo]()
$998
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Fri 10/1612:10 pm -
2 stops14h 55m
Sun 10/256:45 am -
2 stops18h 45m
Deal found 8/20![United Airlines logo]()
$1,058
Last-minute flights from St. Louis to HeidelbergDiscover last-minute flight deals from St. Louis to Heidelberg. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Heidelberg. Data last updated August 24, 2026 and is based on user searches.
This Vliegwinkel deal was found by Cheapflights users on 8/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:10 pm -
1 stop10h 50m
Tue 10/65:05 pm -
1 stop27h 55m
Deal found 8/20![Air Canada logo]()
$871
This Vliegwinkel deal was found by Cheapflights users on 8/20. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:30 pm -
Nonstop8h 55m
Tue 10/65:05 pm -
1 stop27h 55m
Deal found 8/20![Multiple Airlines logo]()
$882
This Expedia deal was found by Cheapflights users on 8/20. 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.
Mon 9/213:30 pm -
Nonstop8h 55m
Tue 10/610:40 am -
Nonstop9h 45m
Deal found 8/20![Lufthansa logo]()
$903
This Expedia deal was found by Cheapflights users on 8/20. 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.
Mon 9/2112:46 pm -
1 stop12h 59m
Tue 10/611:30 am -
2 stops19h 49m
Deal found 8/20![Finnair logo]()
$907
One-way flights from St. Louis to HeidelbergSearch for one-way flight options from St. Louis to Heidelberg. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
Search for one-way flight options from St. Louis to Heidelberg. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Expedia deal was found by Cheapflights users on 8/22. 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.
Wed 1/204:57 pm -
2 stops16h 43m
Deal found 8/22![British Airways logo]()
$317
This Mytrip deal was found by Cheapflights users on 8/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:29 pm -
2 stops17h 41m
Deal found 8/23![British Airways logo]()
$319
This Expedia deal was found by Cheapflights users on 8/22. 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.
Wed 1/2010:12 am -
1 stop14h 03m
Deal found 8/22![Iberia logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/268:00 pm -
2 stops34h 10m
Deal found 8/22![Multiple Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 8/23. 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.
Wed 12/95:00 am -
1 stop19h 15m
Deal found 8/23![American Airlines logo]()
$325
This British Airways deal was found by Cheapflights users on 8/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:50 am -
2 stops17h 35m
Deal found 8/21![British Airways logo]()
$327
This Iberia deal was found by Cheapflights users on 8/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:29 am -
1 stop15h 46m
Deal found 8/21![Iberia logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:59 pm -
2 stops34h 11m
Deal found 8/22![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
3 stops35h 26m
Deal found 8/22![Multiple Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/122:00 pm -
2 stops18h 40m
Deal found 8/24![American Airlines logo]()
$376
This Expedia deal was found by Cheapflights users on 8/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/121:36 pm -
1 stop12h 19m
Deal found 8/24![British Airways logo]()
$379
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 August 24, 2026.
Round-trip from | $784 (Expedia) |
|---|---|
One-way from | $317 (Expedia) |
Popular in | June |
Cheapest in | March |
Average price | $1,318 |
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 7,457,451 searches. Data last updated August 24, 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
Cheapest round-trip
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Wed 11/25
7:30 am-6:35 am
1 stop16h 05m
Frankfurt am Main
Wed 12/2
4:40 pm-6:16 pm
2 stops32h 36m
$814
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sat 12/5
5:55 pm-11:40 am
1 stop34h 45m
Frankfurt am Main
Sat 1/16
9:45 am-11:09 am
2 stops32h 24m
$847
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sat 11/14
6:50 pm-6:35 am
1 stop28h 45m
Frankfurt am Main
Sat 1/16
9:45 am-12:40 pm
2 stops33h 55m
$847
Quickest round-trip
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sun 11/1
8:30 am-6:35 am
1 stop15h 05m
Frankfurt am Main
Sun 11/8
10:45 am-1:45 pm
Nonstop10h 00m
$857
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sun 10/18
12:10 pm-10:05 am
2 stops14h 55m
Frankfurt am Main
Wed 10/28
11:25 am-9:35 pm
2 stops16h 10m
$940
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Mon 9/21
12:46 pm-8:45 am
1 stop12h 59m
Frankfurt am Main
Tue 10/6
11:30 am-12:19 am
2 stops19h 49m
$942
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Mon 10/5
12:10 pm-6:00 am
1 stop10h 50m
Frankfurt am Main
Wed 10/14
10:10 am-9:21 pm
2 stops18h 11m
$944
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Fri 10/23
12:10 pm-6:00 am
1 stop10h 50m
Frankfurt am Main
Sun 11/1
9:45 am-9:52 pm
2 stops43h 07m
$970
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sun 10/4
12:10 pm-6:00 am
1 stop10h 50m
Frankfurt am Main
Sun 10/11
9:55 am-6:41 pm
1 stop15h 46m
$998
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Fri 10/16
12:10 pm-10:05 am
2 stops14h 55m
Frankfurt am Main
Sun 10/25
6:45 am-7:30 pm
2 stops18h 45m
$1,058
Showing 1-10 of 22 resultsSorted by cheapest first
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.
STL-FRA
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
STL-HE1
STL-FRA
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 August 24, 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?
Airfare is below average for this route at the moment.
St. Louis to Heidelberg flights typically cost between $1,071 and $1,498 in December.The cheapest round-trip price found within the last 5 days was $784 on Lufthansa (Dec 9-Feb 17).
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 August 24, 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.
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Comfort
7.3
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.7
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
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.
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St. Louis and Heidelberg flights
Browse other St. Louis and Heidelberg flight options. Last updated on August 24, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on August 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Heidelberg flights
Consider these flights traveling from St. Louis to Heidelberg.
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 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$410 | Average$828 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$693 | Average$1,423 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$858 | Average$1,328 | FlexibilityNo cancel fee | On-time76% |