$332+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FRA
Sep 17 — Sep 241
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
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 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 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 August 18, 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 August 18, 2026.
This Condor deal was found by Cheapflights users on 8/15. 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 8/317:00 am -
1 stop15h 45m
Fri 9/412:30 pm -
1 stop14h 15m
Deal found 8/15![Multiple Airlines logo]()
$703
This Condor deal was found by Cheapflights users on 8/14. 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.
Sun 9/610:30 am -
1 stop12h 15m
Fri 9/1112:30 pm -
1 stop14h 15m
Deal found 8/14![Multiple Airlines logo]()
$717
This flugladen.de deal was found by Cheapflights users on 8/17. 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 12/94:05 pm -
1 stop12h 05m
Fri 12/255:10 pm -
1 stop29h 16m
Deal found 8/17![Air Canada logo]()
$832
This flugladen.de deal was found by Cheapflights users on 8/17. 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 12/93:40 pm -
Nonstop8h 50m
Fri 12/255:10 pm -
1 stop29h 16m
Deal found 8/17![Multiple Airlines logo]()
$838
This Condor deal was found by Cheapflights users on 8/13. 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 8/247:00 am -
1 stop15h 45m
Mon 8/3112:30 pm -
1 stop14h 15m
Deal found 8/13![Multiple Airlines logo]()
$848
This Expedia deal was found by Cheapflights users on 8/17. 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 12/93:40 pm -
Nonstop8h 50m
Fri 12/251:30 pm -
1 stop16h 29m
Deal found 8/17![Lufthansa logo]()
$850
This Gotogate deal was found by Cheapflights users on 8/15. 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.
Wed 12/24:05 pm -
1 stop12h 05m
Wed 12/95:10 pm -
1 stop29h 16m
Deal found 8/15![Multiple Airlines logo]()
$853
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 12/63:40 pm -
Nonstop8h 50m
Wed 12/1610:45 am -
Nonstop10h 00m
Deal found 8/14![Lufthansa logo]()
$856
This oojo deal was found by Cheapflights users on 8/16. 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 11/101:08 pm -
1 stop11h 22m
Wed 11/1810:45 am -
Nonstop10h 00m
Deal found 8/16![Lufthansa logo]()
$857
This Expedia deal was found by Cheapflights users on 8/15. 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 11/94:05 pm -
1 stop12h 05m
Mon 11/168:55 pm -
2 stops49h 31m
Deal found 8/15![Multiple Airlines logo]()
$858
This United Airlines deal was found by Cheapflights users on 8/17. 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 12/63:40 pm -
Nonstop8h 50m
Wed 12/169:45 am -
2 stops31h 57m
Deal found 8/17![United Airlines logo]()
$860
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 August 18, 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 August 18, 2026.
This Finnair deal was found by Cheapflights users on 8/13. 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.
Sun 9/275:18 pm -
2 stops18h 17m
Mon 10/127:20 pm -
2 stops31h 28m
Deal found 8/13![Finnair logo]()
$949
This United Airlines deal was found by Cheapflights users on 8/14. 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 12/236:58 pm -
1 stop28h 37m
Wed 12/305:10 pm -
1 stop29h 16m
Deal found 8/14![United Airlines logo]()
$981
This United deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:30 pm -
Nonstop8h 55m
Mon 10/1210:40 am -
Nonstop9h 45m
Deal found 8/13![Multiple Airlines logo]()
$991
This Scandinavian Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 11/1512:20 pm -
2 stops38h 25m
Thu 11/193:15 pm -
2 stops39h 41m
Deal found 8/17![Scandinavian Airlines logo]()
$1,179
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:10 pm -
2 stops14h 55m
Fri 10/99:55 am -
1 stop15h 46m
Deal found 8/18![United Airlines logo]()
$994
This Condor deal was found by Cheapflights users on 8/16. 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 9/107:00 am -
1 stop15h 45m
Mon 9/2812:30 pm -
1 stop14h 15m
Deal found 8/16![Multiple Airlines logo]()
$1,205
This Scandinavian Airlines deal was found by Cheapflights users on 8/18. 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 11/22:25 pm -
3 stops24h 40m
Fri 11/610:30 am -
2 stops20h 24m
Deal found 8/18![Scandinavian Airlines logo]()
$1,292
This Condor deal was found by Cheapflights users on 8/14. 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.
Fri 8/287:00 am -
1 stop15h 45m
Sun 8/3012:30 pm -
1 stop14h 30m
Deal found 8/14![Multiple Airlines logo]()
$1,233
This Scandinavian Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 11/2512:20 pm -
2 stops19h 10m
Wed 12/26:50 am -
3 stops24h 06m
Deal found 8/16![Scandinavian Airlines logo]()
$1,303
Last-minute flights from St. Louis to FrankfurtDiscover last-minute flight deals from St. Louis to Frankfurt. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Frankfurt. Data last updated August 18, 2026 and is based on user searches.
This Condor deal was found by Cheapflights users on 8/14. 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.
Fri 8/217:00 am -
1 stop15h 45m
Fri 8/2812:30 pm -
1 stop14h 15m
Deal found 8/14![Multiple Airlines logo]()
$903
This Condor deal was found by Cheapflights users on 8/13. 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 8/247:00 am -
1 stop15h 45m
Mon 8/3112:30 pm -
1 stop14h 15m
Deal found 8/13![Multiple Airlines logo]()
$848
This Condor deal was found by Cheapflights users on 8/14. 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.
Fri 8/287:00 am -
1 stop15h 45m
Fri 9/1112:30 pm -
1 stop14h 15m
Deal found 8/14![Multiple Airlines logo]()
$870
This Condor deal was found by Cheapflights users on 8/15. 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 8/317:00 am -
1 stop15h 45m
Fri 9/412:30 pm -
1 stop14h 15m
Deal found 8/15![Multiple Airlines logo]()
$703
This Condor deal was found by Cheapflights users on 8/14. 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.
Sun 9/610:30 am -
1 stop12h 15m
Fri 9/1112:30 pm -
1 stop14h 15m
Deal found 8/14![Multiple Airlines logo]()
$717
This Condor deal was found by Cheapflights users on 8/16. 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 9/77:00 am -
1 stop15h 45m
Mon 9/2112:30 pm -
1 stop14h 15m
Deal found 8/16![Multiple Airlines logo]()
$869
This Condor deal was found by Cheapflights users on 8/16. 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 9/910:25 am -
1 stop12h 20m
Thu 9/2412:30 pm -
1 stop14h 15m
Deal found 8/16![Multiple Airlines logo]()
$880
This Condor deal was found by Cheapflights users on 8/16. 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.
Fri 9/117:00 am -
1 stop15h 45m
Tue 9/1512:30 pm -
1 stop14h 15m
Deal found 8/16![Multiple Airlines logo]()
$892
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Tue 9/223:30 pm -
Nonstop8h 55m
Tue 9/2910:15 am -
2 stops17h 05m
Deal found 8/13![Multiple Airlines logo]()
$910
This Expedia deal was found by Cheapflights users on 8/14. 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 9/273:30 pm -
Nonstop8h 55m
Mon 10/128:45 pm -
2 stops30h 15m
Deal found 8/14![Multiple Airlines logo]()
$905
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 August 18, 2026.
Search for one-way flight options from St. Louis to Frankfurt. Find affordable one-way fares based on user searches. Data last updated August 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/196:35 pm -
3 stops42h 50m
Deal found 8/17![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/302:29 pm -
3 stops48h 46m
Deal found 8/16![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:00 pm -
3 stops58h 00m
Deal found 8/18![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 12/49:50 am -
3 stops39h 30m
Deal found 8/14![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 11/12:00 pm -
3 stops39h 10m
Deal found 8/13![Multiple Airlines logo]()
$441
This Expedia deal was found by Cheapflights users on 8/17. 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 11/183:40 pm -
Nonstop8h 50m
Deal found 8/17![Lufthansa logo]()
$558
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 August 18, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $703 (Condor) |
One-way from | $332 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $1,318 |
Good round-trip deal | $1,049 or less |
Good one-way deal | $593 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 August 18, 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 Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sun 9/27
5:18 pm-6:35 pm
2 stops18h 17m
Frankfurt am Main
Mon 10/12
7:20 pm-7:48 pm
2 stops31h 28m
$949
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Wed 12/23
6:58 pm-6:35 am
1 stop28h 37m
Frankfurt am Main
Wed 12/30
5:10 pm-3:26 pm
1 stop29h 16m
$981
Quickest round-trip
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sun 9/27
3:30 pm-7:25 am
Nonstop8h 55m
Frankfurt am Main
Mon 10/12
10:40 am-1:25 pm
Nonstop9h 45m
$991
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Fri 10/2
12:10 pm-10:05 am
2 stops14h 55m
Frankfurt am Main
Fri 10/9
9:55 am-6:41 pm
1 stop15h 46m
$994
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Sun 11/15
12:20 pm-9:45 am
2 stops38h 25m
Frankfurt am Main
Thu 11/19
3:15 pm-11:56 pm
2 stops39h 41m
$1,179
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Thu 9/10
7:00 am-5:45 am
1 stop15h 45m
Frankfurt am Main
Mon 9/28
12:30 pm-7:45 pm
1 stop14h 15m
$1,205
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Fri 8/28
7:00 am-5:45 am
1 stop15h 45m
Frankfurt am Main
Sun 8/30
12:30 pm-8:00 pm
1 stop14h 30m
$1,233
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Mon 11/2
2:25 pm-10:05 pm
3 stops24h 40m
Frankfurt am Main
Fri 11/6
10:30 am-11:54 pm
2 stops20h 24m
$1,292
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Wed 11/25
12:20 pm-2:30 pm
2 stops19h 10m
Frankfurt am Main
Wed 12/2
6:50 am-11:56 pm
3 stops24h 06m
$1,303
Cheapest one-way
St. LouisFrankfurt am Main
STL Lambert-St Louis - FRA Frankfurt am Main
STLFRA
Lambert-St Louis
Fri 10/16
8:00 pm-1:00 pm
3 stops58h 00m
$410
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 August.
| 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Frankfurt am Main Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 57 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 August 18, 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
Our travel experts
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 August 18, 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.
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Crew
8.1
Entertainment
7.1
Overall
7.4
Boarding
7.7
Comfort
7.3
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 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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Alternative routes for St. Louis to Frankfurt
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Other flights to Frankfurt
Explore flights to Frankfurt departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 18, 2026.
St. Louis and Frankfurt flights
Browse other St. Louis and Frankfurt flight options. Last updated on August 18, 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 18, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 August 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$410 | Average$828 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$693 | Average$1,417 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$854 | Average$1,321 | FlexibilityNo cancel fee | On-time76% |