$311+ Cheap flights from St. Louis (STL) to Frankfurt (FRA)
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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Frankfurt 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 Frankfurt am Main are usually found in March or January, booked 27 days in advance, depart on a Wednesday or Monday and return on a Tuesday
Cheap flight deals from St. Louis to Frankfurt
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to FrankfurtExplore the most affordable flight options available from St. Louis to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from St. Louis to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This Expedia deal was found by Cheapflights users on 6/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
STL
- FRA
1 stop17h 40m
Multiple Airlines
Tue 8/256:30 am
FRA
- STL
2 stops19h 57m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$767
This Orbitz deal was found by Cheapflights users on 6/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:35 pm
STL
- FRA
1 stop15h 10m
Multiple Airlines
Tue 8/256:30 am
FRA
- STL
2 stops19h 57m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$774
This Orbitz deal was found by Cheapflights users on 6/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:55 pm
STL
- FRA
2 stops19h 05m
Multiple Airlines
Thu 8/206:30 am
FRA
- STL
2 stops24h 04m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$778
This Orbitz deal was found by Cheapflights users on 6/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:13 pm
STL
- FRA
2 stops17h 37m
Multiple Airlines
Wed 11/1810:15 am
FRA
- STL
1 stop19h 14m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$782
This flugladen.de deal was found by Cheapflights users on 6/21. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:16 am
STL
- FRA
1 stop15h 29m
Iberia
Wed 8/1210:55 am
FRA
- STL
1 stop19h 47m
Iberia
Deal found 6/21![Iberia logo]()
$791
This Travelocity deal was found by Cheapflights users on 6/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:13 pm
STL
- FRA
2 stops15h 27m
Multiple Airlines
Wed 12/210:15 am
FRA
- STL
1 stop19h 10m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$793
This Condor deal was found by Cheapflights users on 6/19. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:00 am
STL
- FRA
1 stop15h 45m
Multiple Airlines
Tue 9/1512:30 pm
FRA
- STL
1 stop14h 10m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$801
This Ticket deal was found by Cheapflights users on 6/21. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
STL
- FRA
2 stops28h 40m
Finnair
Tue 8/257:20 pm
FRA
- STL
2 stops32h 06m
Finnair
Deal found 6/21![Finnair logo]()
$804
Best flights from St. Louis to FrankfurtDiscover carefully curated flight deals from St. Louis to Frankfurt that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from St. Louis to Frankfurt that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/92:57 pm
STL
- FRA
1 stop13h 18m
United Airlines
Tue 8/259:55 am
FRA
- STL
1 stop15h 47m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,020
This British Airways deal was found by Cheapflights users on 6/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:45 pm
STL
- FRA
1 stop13h 00m
British Airways
Sat 8/1510:55 am
FRA
- STL
1 stop19h 47m
British Airways
Deal found 6/22![British Airways logo]()
$1,108
This Delta deal was found by Cheapflights users on 6/19. 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.
Thu 9/171:55 pm
STL
- FRA
1 stop12h 55m
Delta
Tue 9/2911:00 am
FRA
- STL
1 stop13h 10m
Delta
Deal found 6/19![Delta logo]()
$1,178
This Condor deal was found by Cheapflights users on 6/19. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Wed 7/2912:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,223
This Scandinavian Airlines deal was found by Cheapflights users on 6/18. 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 8/173:39 pm
STL
- FRA
2 stops15h 56m
Scandinavian Airlines
Mon 8/317:00 am
FRA
- STL
3 stops23h 58m
Scandinavian Airlines
Deal found 6/18![Scandinavian Airlines logo]()
$1,341
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:56 pm
STL
- FRA
1 stop34h 14m
Alaska Airlines
Wed 7/222:15 pm
FRA
- STL
1 stop16h 44m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$1,494
This Finnair deal was found by Cheapflights users on 6/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:18 pm
STL
- FRA
2 stops33h 02m
Finnair
Sat 10/37:20 pm
FRA
- STL
2 stops32h 24m
Finnair
Deal found 6/19![Finnair logo]()
$1,494
This Delta deal was found by Cheapflights users on 6/18. 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 7/176:00 am
STL
- FRA
1 stop19h 55m
Delta
Sat 7/257:05 am
FRA
- STL
2 stops20h 32m
Delta
Deal found 6/18![Delta logo]()
$1,318
This British Airways deal was found by Cheapflights users on 6/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:35 pm
STL
- FRA
1 stop11h 45m
British Airways
Sat 7/2510:55 am
FRA
- STL
1 stop14h 37m
British Airways
Deal found 6/20![British Airways logo]()
$1,601
Last-minute flights from St. Louis to FrankfurtDiscover last-minute flight deals from St. Louis to Frankfurt. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Frankfurt. Data last updated June 23, 2026 and is based on user searches.
This Condor deal was found by Cheapflights users on 6/18. 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 7/710:15 am
STL
- FRA
1 stop12h 30m
Multiple Airlines
Tue 7/1412:30 pm
FRA
- STL
1 stop15h 00m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,039
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:05 pm
STL
- FRA
1 stop12h 00m
Lufthansa
Wed 7/2910:40 am
FRA
- STL
Nonstop9h 45m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$1,145
This Expedia deal was found by Cheapflights users on 6/20. 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 7/207:07 am
STL
- FRA
1 stop18h 38m
British Airways
Mon 7/279:20 am
FRA
- STL
1 stop21h 38m
British Airways
Deal found 6/20![British Airways logo]()
$1,138
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:35 pm
STL
- FRA
1 stop11h 45m
American Airlines
Mon 7/279:20 am
FRA
- STL
2 stops16h 58m
American Airlines
Deal found 6/20![American Airlines logo]()
$1,143
This Gotogate deal was found by Cheapflights users on 6/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:40 pm
STL
- FRA
1 stop32h 50m
Multiple Airlines
Fri 7/317:50 am
FRA
- STL
2 stops17h 52m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,147
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:32 am
STL
- FRA
1 stop20h 13m
American Airlines
Tue 7/289:20 am
FRA
- STL
1 stop21h 38m
American Airlines
Deal found 6/21![American Airlines logo]()
$1,068
This Expedia deal was found by Cheapflights users on 6/18. 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 7/2211:18 am
STL
- FRA
2 stops15h 17m
KLM
Fri 7/3111:00 am
FRA
- STL
1 stop13h 19m
KLM
Deal found 6/18![KLM logo]()
$1,128
This Flighttix deal was found by Cheapflights users on 6/18. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:55 am
STL
- FRA
2 stops15h 15m
Air Canada
Fri 7/317:50 am
FRA
- STL
2 stops17h 52m
Air Canada
Deal found 6/18![Air Canada logo]()
$1,140
This Flighttix deal was found by Cheapflights users on 6/18. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:51 am
STL
- FRA
1 stop15h 04m
Virgin Atlantic
Fri 7/3111:00 am
FRA
- STL
1 stop13h 19m
Virgin Atlantic
Deal found 6/18![Virgin Atlantic logo]()
$1,146
One-way flights from St. Louis to FrankfurtSearch for one-way flight options from St. Louis to Frankfurt. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from St. Louis to Frankfurt. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This oojo deal was found by Cheapflights users on 6/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:58 pm
STL
- FRA
2 stops21h 22m
British Airways
Deal found 6/21![British Airways logo]()
$311
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:35 pm
STL
- FRA
1 stop17h 10m
British Airways
Deal found 6/19![British Airways logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:40 pm
STL
- FRA
1 stop17h 40m
British Airways
Deal found 6/19![British Airways logo]()
$320
This Flysmarter deal was found by Cheapflights users on 6/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:38 am
STL
- FRA
1 stop17h 07m
British Airways
Deal found 6/19![British Airways logo]()
$321
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:55 am
STL
- FRA
2 stops17h 25m
American Airlines
Deal found 6/19![American Airlines logo]()
$325
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:35 pm
STL
- FRA
2 stops28h 45m
Finnair
Deal found 6/19![Finnair logo]()
$334
This Flysmarter deal was found by Cheapflights users on 6/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:35 pm
STL
- FRA
1 stop18h 00m
British Airways
Deal found 6/19![British Airways logo]()
$347
This Flysmarter deal was found by Cheapflights users on 6/20. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:40 pm
STL
- FRA
1 stop11h 40m
British Airways
Deal found 6/20![British Airways logo]()
$350
This Flysmarter deal was found by Cheapflights users on 6/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/81:14 pm
STL
- FRA
1 stop12h 31m
British Airways
Deal found 6/19![British Airways logo]()
$351
This Flysmarter deal was found by Cheapflights users on 6/19. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:58 pm
STL
- FRA
2 stops18h 47m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:55 am
STL
- FRA
2 stops17h 25m
American Airlines
Deal found 6/20![American Airlines logo]()
$354
Find flight deals from St. Louis to Frankfurt
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Frankfurt (FRA). 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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $767 (Expedia) |
One-way from | $311 (oojo) |
Popular in | June |
Cheapest in | March |
Average price | $1,758 |
Good round-trip deal | $1,009 or less |
Good one-way deal | $479 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Frankfurt 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 23, 2026.
Use the filters below to find and compare flights from St. Louis to Frankfurt am Main Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Sun 8/9
2:57 pm-11:15 am
1 stop13h 18m
Frankfurt am Main
Tue 8/25
9:55 am-6:42 pm
1 stop15h 47m
$1,020
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Sat 8/8
12:45 pm-8:45 am
1 stop13h 00m
Frankfurt am Main
Sat 8/15
10:55 am-11:42 pm
1 stop19h 47m
$1,108
Quickest round-trip
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Thu 9/17
1:55 pm-9:50 am
1 stop12h 55m
Frankfurt am Main
Tue 9/29
11:00 am-5:10 pm
1 stop13h 10m
$1,178
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Wed 7/15
10:15 am-5:45 am
1 stop12h 30m
Frankfurt am Main
Wed 7/29
12:30 pm-8:30 pm
1 stop15h 00m
$1,223
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Fri 7/17
6:00 am-8:55 am
1 stop19h 55m
Frankfurt am Main
Sat 7/25
7:05 am-8:37 pm
2 stops20h 32m
$1,318
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Mon 8/17
3:39 pm-2:35 pm
2 stops15h 56m
Frankfurt am Main
Mon 8/31
7:00 am-11:58 pm
3 stops23h 58m
$1,341
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Mon 7/13
7:56 pm-1:10 pm
1 stop34h 14m
Frankfurt am Main
Wed 7/22
2:15 pm-11:59 pm
1 stop16h 44m
$1,494
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Tue 9/15
5:18 pm-9:20 am
2 stops33h 02m
Frankfurt am Main
Sat 10/3
7:20 pm-8:44 pm
2 stops32h 24m
$1,494
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Fri 7/17
12:35 pm-7:20 am
1 stop11h 45m
Frankfurt am Main
Sat 7/25
10:55 am-6:32 pm
1 stop14h 37m
$1,601
Cheapest one-way
St. LouisFrankfurt am Main
STL - FRA
STLFRA
Lambert-St Louis
Mon 8/3
5:58 pm-10:20 pm
2 stops21h 22m
$311
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Frankfurt
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Frankfurt in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Frankfurt am Main Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Frankfurt am Main Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Frankfurt am Main Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Frankfurt am Main Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Frankfurt am Main Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Frankfurt
Have a flexible travel schedule? Discover the best time to fly to Frankfurt 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 Frankfurt am Main Airport
How far ahead should I book a flight from St. Louis to Frankfurt am Main Airport?
The price you pay for your flight from St. Louis to Frankfurt am Main Airport may vary depending on when you book. For the best chance of a lower fare, look to book 26 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Frankfurt am Main Airport?
Currently, March is the cheapest month in which you can book a flight from St. Louis to Frankfurt am Main Airport (average of $929). Flying from St. Louis to Frankfurt am Main Airport in June is currently the most expensive (average of $1,758). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 23, 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 Airport as you normally would.
The best insider tips for St. Louis to Frankfurt am Main Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Frankfurt am Main Airport trip
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Reviews of airlines servicing Frankfurt
Get insights into the airlines that provide service to Frankfurt. 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. Reviews last updated June 23, 2026.
Read through reviews of airlines operating flights from St. Louis to Frankfurt am Main Airport, such as United Airlines,Lufthansa, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Overall
7.4
Crew
8.1
Boarding
7.7
Entertainment
7.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Frankfurt. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Frankfurt am Main Airport?
Book flights to Frankfurt am Main Airport if you plan to visit one of these locationsKaiserslautern
Koblenz
Baden-Baden
Speyer
Mainz
Heilbronn
Boppard
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Top 3 airlines flying from St. Louis to Frankfurt
Discover the top 3 airlines that operate flights from St. Louis to Frankfurt. 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$470 | Average$717 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$693 | Average$1,225 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$830 | Average$1,330 | FlexibilityNo cancel fee | On-time76% |