$467+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Jun 6 — Jun 131
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
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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 3 days in advance, depart on a Tuesday or Monday and return on a Tuesday
Cheap flight deals from St. Louis to Heidelberg
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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 May 7, 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 May 7, 2026.
This KAYAK deal was found by Cheapflights users on 5/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:39 pm
STL
- FRA
2 stops21h 06m
Scandinavian Airlines
Wed 9/233:20 pm
FRA
- STL
2 stops39h 17m
Scandinavian Airlines
Deal found 5/4![Scandinavian Airlines logo]()
$893
This oojo deal was found by Cheapflights users on 5/6. 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.
Fri 8/2112:52 pm
STL
- FRA
2 stops18h 43m
Scandinavian Airlines
Fri 8/283:20 pm
FRA
- STL
2 stops36h 18m
Scandinavian Airlines
Deal found 5/6![Scandinavian Airlines logo]()
$897
This Condor deal was found by Cheapflights users on 5/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:25 am
STL
- FRA
1 stop12h 20m
Multiple Airlines
Tue 9/1512:30 pm
FRA
- STL
1 stop14h 10m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$910
This eDestinos deal was found by Cheapflights users on 5/5. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:51 am
STL
- FRA
1 stop12h 59m
Virgin Atlantic
Tue 11/1710:40 am
FRA
- STL
1 stop17h 09m
Virgin Atlantic
Deal found 5/5![Virgin Atlantic logo]()
$949
This Condor deal was found by Cheapflights users on 5/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Wed 6/1012:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$974
This FlightHub deal was found by Cheapflights users on 5/3. 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.
Wed 11/251:30 pm
STL
- FRA
2 stops37h 20m
Scandinavian Airlines
Sat 12/53:15 pm
FRA
- STL
2 stops39h 24m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$979
This KLM deal was found by Cheapflights users on 5/7. 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.
Wed 11/2510:45 am
STL
- FRA
1 stop14h 55m
KLM
Wed 12/211:50 am
FRA
- STL
2 stops15h 47m
KLM
Deal found 5/7![KLM logo]()
$1,007
This Scandinavian Airlines deal was found by Cheapflights users on 5/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:30 pm
STL
- FRA
2 stops23h 15m
Scandinavian Airlines
Thu 11/193:15 pm
FRA
- STL
2 stops39h 24m
Scandinavian Airlines
Deal found 5/6![Scandinavian Airlines logo]()
$1,013
This CrystalTravel deal was found by Cheapflights users on 5/3. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:50 pm
STL
- FRA
Nonstop8h 40m
Lufthansa
Wed 11/1810:45 am
FRA
- STL
Nonstop10h 10m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$1,029
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 May 7, 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 May 7, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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 11/18:15 pm
STL
- FRA
1 stop10h 45m
United Airlines
Sun 11/810:45 am
FRA
- STL
Nonstop10h 10m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,129
This KLM deal was found by Cheapflights users on 5/4. 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.
Tue 7/1410:51 am
STL
- FRA
1 stop15h 04m
KLM
Fri 7/2410:40 am
FRA
- STL
1 stop20h 13m
KLM
Deal found 5/4![KLM logo]()
$1,220
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:59 pm
STL
- FRA
2 stops36h 11m
Alaska Airlines
Wed 10/142:15 pm
FRA
- STL
1 stop16h 44m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$1,261
This Condor deal was found by Cheapflights users on 5/5. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Wed 6/2412:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,335
This Delta deal was found by Cheapflights users on 5/3. 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.
Fri 7/175:36 pm
STL
- FRA
2 stops13h 44m
Delta
Sat 7/257:00 am
FRA
- STL
2 stops20h 37m
Delta
Deal found 5/3![Delta logo]()
$1,361
This Turkish Airlines deal was found by Cheapflights users on 5/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:29 pm
STL
- FRA
2 stops20h 46m
Turkish Airlines
Tue 7/711:30 am
FRA
- STL
2 stops40h 56m
Turkish Airlines
Deal found 5/6![Turkish Airlines logo]()
$1,432
This KLM deal was found by Cheapflights users on 5/6. 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.
Sat 8/16:04 pm
STL
- FRA
1 stop32h 46m
KLM
Sat 8/1511:00 am
FRA
- STL
1 stop13h 14m
KLM
Deal found 5/6![KLM logo]()
$1,221
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:59 pm
STL
- FRA
2 stops35h 56m
Alaska Airlines
Sun 10/42:15 pm
FRA
- STL
1 stop16h 44m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$1,320
This KLM deal was found by Cheapflights users on 5/6. 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.
Sun 7/1210:51 am
STL
- FRA
1 stop15h 04m
KLM
Sun 7/2611:00 am
FRA
- STL
1 stop13h 19m
KLM
Deal found 5/6![KLM logo]()
$1,280
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:12 pm
STL
- FRA
1 stop37h 33m
Alaska Airlines
Thu 6/411:55 am
FRA
- STL
2 stops37h 50m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$1,441
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:40 pm
STL
- FRA
2 stops37h 00m
Alaska Airlines
Wed 10/2811:15 am
FRA
- STL
3 stops42h 44m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$1,493
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:41 pm
STL
- FRA
1 stop34h 04m
Alaska Airlines
Tue 6/232:15 pm
FRA
- STL
2 stops33h 22m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$1,639
Last-minute flights from St. Louis to HeidelbergDiscover last-minute flight deals from St. Louis to Heidelberg. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Heidelberg. Data last updated May 7, 2026 and is based on user searches.
This Turkish Airlines deal was found by Cheapflights users on 5/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:05 pm
STL
- FRA
2 stops21h 30m
Multiple Airlines
Sun 5/176:50 am
FRA
- STL
2 stops21h 23m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,208
This Condor deal was found by Cheapflights users on 5/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1110:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Mon 5/1812:30 pm
FRA
- STL
1 stop15h 25m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,097
This Condor deal was found by Cheapflights users on 5/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Fri 5/2912:30 pm
FRA
- STL
1 stop15h 25m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,054
This Condor deal was found by Cheapflights users on 5/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Wed 6/1012:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$974
This Condor deal was found by Cheapflights users on 5/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Tue 6/1612:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,160
This Condor deal was found by Cheapflights users on 5/4. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Tue 6/2312:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,214
This Condor deal was found by Cheapflights users on 5/6. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Wed 6/1712:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,092
This Trip.com deal was found by Cheapflights users on 5/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2810:20 am
STL
- FRA
1 stop16h 30m
Virgin Atlantic
Tue 7/1410:40 am
FRA
- STL
1 stop18h 35m
Virgin Atlantic
Deal found 5/7![Virgin Atlantic logo]()
$1,147
This Flysmarter deal was found by Cheapflights users on 5/7. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:10 pm
STL
- FRA
1 stop32h 40m
KLM
Tue 7/142:15 pm
FRA
- STL
2 stops16h 38m
KLM
Deal found 5/7![KLM logo]()
$1,153
This Delta deal was found by Cheapflights users on 5/6. 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.
Sun 6/2811:18 am
STL
- FRA
2 stops15h 32m
Delta
Tue 7/1411:45 am
FRA
- STL
2 stops15h 52m
Delta
Deal found 5/6![Delta logo]()
$1,158
This Flysmarter deal was found by Cheapflights users on 5/7. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/285:36 pm
STL
- FRA
2 stops13h 44m
Multiple Airlines
Tue 7/142:15 pm
FRA
- STL
2 stops16h 38m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$1,159
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 May 7, 2026.
Search for one-way flight options from St. Louis to Heidelberg. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 8/265:33 pm
STL
- FRA
3 stops36h 27m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 7/35:06 pm
STL
- FRA
3 stops54h 19m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 7/224:52 pm
STL
- FRA
3 stops44h 33m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$493
This Mytrip deal was found by Cheapflights users on 5/7. 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.
Wed 9/2312:10 pm
STL
- FRA
2 stops24h 10m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Tue 5/268:08 pm
STL
- FRA
3 stops33h 52m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$539
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/278:08 pm
STL
- FRA
3 stops33h 52m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Thu 8/276:33 pm
STL
- FRA
3 stops42h 52m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$542
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Tue 6/164:17 pm
STL
- FRA
2 stops34h 23m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 7/244:52 pm
STL
- FRA
3 stops44h 33m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$556
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 9/2210:35 am
STL
- FRA
3 stops43h 25m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Sat 5/307:41 pm
STL
- FRA
2 stops34h 19m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$567
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 May 7, 2026.
Round-trip from | $974 (Condor) |
|---|---|
One-way from | $467 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,157 |
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 May 7, 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
Quickest round-trip
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Sun 11/1
8:15 pm-2:00 pm
1 stop10h 45m
Frankfurt am Main
Sun 11/8
10:45 am-1:55 pm
Nonstop10h 10m
$1,129
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Tue 7/14
10:51 am-8:55 am
1 stop15h 04m
Frankfurt am Main
Fri 7/24
10:40 am-11:53 pm
1 stop20h 13m
$1,220
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Sat 8/1
6:04 pm-9:50 am
1 stop32h 46m
Frankfurt am Main
Sat 8/15
11:00 am-5:14 pm
1 stop13h 14m
$1,221
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 9/23
5:59 pm-1:10 pm
2 stops36h 11m
Frankfurt am Main
Wed 10/14
2:15 pm-11:59 pm
1 stop16h 44m
$1,261
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Sun 7/12
10:51 am-8:55 am
1 stop15h 04m
Frankfurt am Main
Sun 7/26
11:00 am-5:19 pm
1 stop13h 19m
$1,280
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Fri 9/25
5:59 pm-12:55 pm
2 stops35h 56m
Frankfurt am Main
Sun 10/4
2:15 pm-11:59 pm
1 stop16h 44m
$1,320
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 6/10
10:15 am-5:45 am
1 stop12h 30m
Frankfurt am Main
Wed 6/24
12:30 pm-8:30 pm
1 stop15h 00m
$1,335
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Fri 7/17
5:36 pm-2:20 pm
2 stops13h 44m
Frankfurt am Main
Sat 7/25
7:00 am-8:37 pm
2 stops20h 37m
$1,361
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Tue 6/23
5:29 pm-9:15 pm
2 stops20h 46m
Frankfurt am Main
Tue 7/7
11:30 am-9:26 pm
2 stops40h 56m
$1,432
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Tue 5/26
4:12 pm-12:45 pm
1 stop37h 33m
Frankfurt am Main
Thu 6/4
11:55 am-6:45 pm
2 stops37h 50m
$1,441
Showing 1-10 of 20 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 May 7, 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 May 7, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines 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.
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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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Alternative routes for St. Louis to Heidelberg
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Complete your trip
Complete your trip to Heidelberg by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Heidelberg flights
Browse other St. Louis and Heidelberg flight options. Last updated on May 7, 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 May 7, 2026.
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St. Louis to Heidelberg flights
Consider these flights traveling from St. Louis to Heidelberg.
Top 6 airlines flying from St. Louis to Heidelberg
Discover the top 6 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$355 | Average$919 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$390 | Average$946 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$470 | Average$906 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$683 | Average$1,142 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$723 | Average$1,115 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$796 | Average$1,319 | FlexibilityNo cancel fee | On-time76% |