$302+ Cheap flights from St. Louis (STL) to Frankfurt am Main
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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Mar 5 — Mar 121
1 adult, Economy
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Find cheap flights from St. Louis to Frankfurt am Main 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 Frankfurt am Main are usually found in August or November, booked 3 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from St. Louis to Frankfurt am Main
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Frankfurt am MainExplore the most affordable flight options available from St. Louis to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
Explore the most affordable flight options available from St. Louis to Frankfurt am Main. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.
This KAYAK deal was found by Cheapflights users on 2/1. 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 2/233:47 pm
STL
- FRA
2 stops20h 58m
Scandinavian Airlines
Wed 3/43:15 pm
FRA
- STL
2 stops36h 26m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$770
This Condor deal was found by Cheapflights users on 2/2. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:25 am
STL
- FRA
1 stop12h 20m
Multiple Airlines
Wed 8/2612:30 pm
FRA
- STL
1 stop14h 10m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/241:14 pm
STL
- FRA
2 stops17h 51m
United Airlines
Tue 3/315:05 pm
FRA
- STL
2 stops26h 17m
United Airlines
Deal found 2/1![United Airlines logo]()
$855
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:30 pm
STL
- FRA
2 stops38h 20m
Scandinavian Airlines
Sun 11/13:15 pm
FRA
- STL
2 stops39h 24m
Scandinavian Airlines
Deal found 2/2![Scandinavian Airlines logo]()
$860
This oojo deal was found by Cheapflights users on 2/1. 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.
Wed 4/222:33 pm
STL
- FRA
2 stops20h 42m
British Airways
Tue 4/283:55 pm
FRA
- STL
1 stop34h 35m
British Airways
Deal found 2/1![British Airways logo]()
$868
This oojo deal was found by Cheapflights users on 2/1. 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.
Tue 3/2411:46 am
STL
- FRA
1 stop13h 29m
British Airways
Tue 3/319:20 am
FRA
- STL
1 stop14h 41m
British Airways
Deal found 2/1![British Airways logo]()
$870
This Expedia deal was found by Cheapflights users on 2/1. 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 5/312:11 pm
STL
- FRA
2 stops15h 04m
Multiple Airlines
Thu 5/710:55 am
FRA
- STL
1 stop15h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$871
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Wed 4/2211:15 am
STL
- FRA
2 stops13h 45m
Multiple Airlines
Tue 4/289:10 pm
FRA
- STL
2 stops25h 14m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$873
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Thu 2/1911:55 am
STL
- FRA
2 stops19h 35m
Scandinavian Airlines
Thu 2/263:15 pm
FRA
- STL
2 stops36h 26m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$890
Best flights from St. Louis to Frankfurt am MainDiscover carefully curated flight deals from St. Louis to Frankfurt am Main that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
Discover carefully curated flight deals from St. Louis to Frankfurt am Main that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 3, 2026.
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2912:05 pm
STL
- FRA
2 stops39h 10m
Aer Lingus
Sun 4/1210:55 am
FRA
- STL
2 stops19h 53m
Aer Lingus
Deal found 2/2![Aer Lingus logo]()
$898
This Condor deal was found by Cheapflights users on 2/1. 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
Thu 6/1812:30 pm
FRA
- STL
1 stop15h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$937
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:45 am
STL
- FRA
1 stop23h 20m
United Airlines
Wed 5/205:05 pm
FRA
- STL
1 stop33h 59m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,004
This Delta deal was found by Cheapflights users on 2/1. 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 5/610:50 am
STL
- FRA
1 stop16h 00m
Delta
Sun 5/177:00 am
FRA
- STL
2 stops16h 49m
Delta
Deal found 2/1![Delta logo]()
$1,031
This Virgin Atlantic deal was found by Cheapflights users on 2/3. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:15 am
STL
- FRA
1 stop16h 35m
Virgin Atlantic
Sun 5/2411:00 am
FRA
- STL
2 stops19h 21m
Virgin Atlantic
Deal found 2/3![Virgin Atlantic logo]()
$1,036
This Condor deal was found by Cheapflights users on 1/31. 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.
Thu 5/2810:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Mon 6/812:30 pm
FRA
- STL
1 stop15h 25m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$948
This Delta deal was found by Cheapflights users on 2/1. 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 5/86:40 am
STL
- FRA
1 stop20h 10m
Delta
Sun 5/177:00 am
FRA
- STL
2 stops16h 49m
Delta
Deal found 2/1![Delta logo]()
$1,081
This Condor deal was found by Cheapflights users on 2/1. 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
Mon 6/2212:30 pm
FRA
- STL
1 stop15h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,053
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 pm
STL
- FRA
1 stop13h 00m
United Airlines
Sun 3/298:50 am
FRA
- STL
1 stop19h 57m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,173
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:00 am
STL
- FRA
2 stops20h 25m
United Airlines
Fri 3/278:40 am
FRA
- STL
1 stop15h 20m
United Airlines
Deal found 2/2![United Airlines logo]()
$1,176
Last-minute flights from St. Louis to Frankfurt am MainDiscover last-minute flight deals from St. Louis to Frankfurt am Main. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Frankfurt am Main. Data last updated February 3, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Thu 2/1911:55 am
STL
- FRA
2 stops19h 35m
Scandinavian Airlines
Thu 2/263:15 pm
FRA
- STL
2 stops36h 26m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$890
This KAYAK deal was found by Cheapflights users on 2/1. 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 2/233:47 pm
STL
- FRA
2 stops20h 58m
Scandinavian Airlines
Wed 3/43:15 pm
FRA
- STL
2 stops36h 26m
Scandinavian Airlines
Deal found 2/1![Scandinavian Airlines logo]()
$770
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Sat 2/286:36 pm
STL
- FRA
2 stops32h 29m
Aer Lingus
Sun 3/810:45 am
FRA
- STL
2 stops19h 03m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$923
This Ovago deal was found by Cheapflights users on 2/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/19:20 am
STL
- FRA
2 stops17h 45m
Aer Lingus
Sun 3/810:45 am
FRA
- STL
2 stops19h 03m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$918
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/241:14 pm
STL
- FRA
2 stops17h 51m
United Airlines
Tue 3/315:05 pm
FRA
- STL
2 stops26h 17m
United Airlines
Deal found 2/1![United Airlines logo]()
$855
This oojo deal was found by Cheapflights users on 2/1. 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.
Tue 3/2411:46 am
STL
- FRA
1 stop13h 29m
British Airways
Tue 3/319:20 am
FRA
- STL
1 stop14h 41m
British Airways
Deal found 2/1![British Airways logo]()
$870
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2912:05 pm
STL
- FRA
2 stops39h 10m
Aer Lingus
Sun 4/1210:55 am
FRA
- STL
2 stops19h 53m
Aer Lingus
Deal found 2/2![Aer Lingus logo]()
$898
This KAYAK deal was found by Cheapflights users on 2/1. 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 3/309:37 am
STL
- FRA
2 stops17h 38m
Aer Lingus
Tue 4/2810:55 am
FRA
- STL
2 stops19h 53m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$913
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Tue 3/3112:05 pm
STL
- FRA
2 stops15h 10m
Aer Lingus
Tue 4/2810:55 am
FRA
- STL
2 stops19h 53m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$920
One-way flights from St. Louis to Frankfurt am MainSearch for one-way flight options from St. Louis to Frankfurt am Main. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
Search for one-way flight options from St. Louis to Frankfurt am Main. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mon 2/910:16 am
STL
- FRA
3 stops40h 49m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/238:22 pm
STL
- FRA
3 stops56h 43m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$340
This Ovago deal was found by Cheapflights users on 2/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
STL
- FRA
2 stops22h 05m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$357
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Wed 2/1810:37 am
STL
- FRA
2 stops40h 28m
Aer Lingus
Deal found 2/1![Aer Lingus logo]()
$366
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:11 pm
STL
- FRA
2 stops24h 49m
Aer Lingus
Deal found 2/2![Aer Lingus logo]()
$367
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:31 am
STL
- FRA
2 stops42h 34m
Aer Lingus
Deal found 2/2![Aer Lingus logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Sun 2/226:55 pm
STL
- FRA
3 stops30h 25m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 3/107:00 pm
STL
- FRA
3 stops42h 20m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$375
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:35 pm
STL
- FRA
1 stop18h 10m
British Airways
Deal found 2/3![British Airways logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/144:55 pm
STL
- FRA
3 stops40h 25m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/188:17 pm
STL
- FRA
3 stops29h 53m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 2/206:45 pm
STL
- FRA
3 stops30h 35m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$445
Find flight deals from St. Louis to Frankfurt am Main
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Frankfurt am Main (FK0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.
Round-trip from | $770 (KAYAK) |
|---|---|
One-way from | $302 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $1,349 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Frankfurt am Main 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 February 3, 2026.
Use the filters below to find and compare flights from St. Louis to Frankfurt am Main that are best for you.
Fly from
St. Louis
Fly to
Frankfurt am Main
Route
Depart
Return
Price
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Sun 3/29
12:05 pm-10:15 am
2 stops39h 10m
Frankfurt am Main
Sun 4/12
10:55 am-11:48 pm
2 stops19h 53m
$898
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Tue 6/9
10:15 am-5:45 am
1 stop12h 30m
Frankfurt am Main
Thu 6/18
12:30 pm-8:55 pm
1 stop15h 25m
$937
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Thu 5/28
10:15 am-5:45 am
1 stop12h 30m
Frankfurt am Main
Mon 6/8
12:30 pm-8:55 pm
1 stop15h 25m
$948
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 4/8
7:45 am-2:05 pm
1 stop23h 20m
Frankfurt am Main
Wed 5/20
5:05 pm-8:04 pm
1 stop33h 59m
$1,004
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 5/6
10:50 am-9:50 am
1 stop16h 00m
Frankfurt am Main
Sun 5/17
7:00 am-4:49 pm
2 stops16h 49m
$1,031
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 5/13
10:15 am-9:50 am
1 stop16h 35m
Frankfurt am Main
Sun 5/24
11:00 am-11:21 pm
2 stops19h 21m
$1,036
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Tue 6/9
10:15 am-5:45 am
1 stop12h 30m
Frankfurt am Main
Mon 6/22
12:30 pm-8:55 pm
1 stop15h 25m
$1,053
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Fri 5/8
6:40 am-9:50 am
1 stop20h 10m
Frankfurt am Main
Sun 5/17
7:00 am-4:49 pm
2 stops16h 49m
$1,081
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 3/18
7:00 pm-2:00 pm
1 stop13h 00m
Frankfurt am Main
Sun 3/29
8:50 am-9:47 pm
1 stop19h 57m
$1,173
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Fri 3/20
5:00 am-7:25 am
2 stops20h 25m
Frankfurt am Main
Fri 3/27
8:40 am-6:00 pm
1 stop15h 20m
$1,176
Showing 1-10 of 20 results
Best time to book a flight from St. Louis to Frankfurt am Main
Have a flexible travel schedule? Discover the best time to fly to Frankfurt am Main from St. Louis with our price prediction graph.
STL-FK0
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 Frankfurt am Main
STL-FK0
STL-FRA
How far ahead should I book a flight from St. Louis to Frankfurt am Main?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Frankfurt am Main. Price data was last updated on January 30, 2026.
The best time to book flights from St. Louis to Frankfurt am Main is 2 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from St. Louis to Frankfurt am Main?
Currently, October is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main (average of $648). Flying from St. Louis to Frankfurt am Main in May is currently the most expensive (average of $873). 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 STL to FRA?
Find hourly flight availability from St. Louis to Frankfurt am Main. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 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 Frankfurt am Main as you normally would.
How much does it cost to fly round-trip from St. Louis to Frankfurt am Main?
Reviews of airlines servicing Frankfurt am Main
Get insights into the airlines that provide service to Frankfurt am Main. 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 Frankfurt am Main. Reviews last updated February 3, 2026.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from St. Louis to Frankfurt am Main. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Frankfurt am Main. 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 Frankfurt am Main
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from St. Louis to Frankfurt am Main
Discover the top 7 airlines that operate flights from St. Louis to Frankfurt am Main. 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 February 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$390 | Average$946 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$610 | Average$919 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$648 | Average$946 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$739 | Average$1,134 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$816 | Average$1,333 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$841 | Average$1,115 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$921 | Average$1,202 | FlexibilityNo cancel fee | On-time67% |