$497+ Cheap flights from Frankfurt (FRA) to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — STL
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Frankfurt to St. Louis 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 Frankfurt am Main to Lambert-St Louis are usually found in February or January, booked 46 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Frankfurt to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Frankfurt to St. LouisExplore the most affordable flight options available from Frankfurt to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Frankfurt to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Expedia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:20 am -
1 stop21h 39m
Mon 10/265:27 pm -
2 stops16h 03m
Deal found 9/11![British Airways logo]()
$745
This Expedia deal was found by Cheapflights users on 9/10. 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 10/149:20 am -
1 stop16h 58m
Sun 10/254:21 pm -
2 stops15h 54m
Deal found 9/10![British Airways logo]()
$746
This Expedia deal was found by Cheapflights users on 9/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:15 am -
1 stop17h 02m
Mon 12/79:50 am -
2 stops17h 40m
Deal found 9/6![British Airways logo]()
$747
This Expedia deal was found by Cheapflights users on 9/9. 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.
Thu 10/2210:55 am -
1 stop19h 47m
Sun 10/254:21 pm -
2 stops15h 54m
Deal found 9/9![British Airways logo]()
$752
This Expedia deal was found by Cheapflights users on 9/10. 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 10/1410:55 am -
1 stop14h 25m
Sun 10/2510:12 am -
1 stop15h 03m
Deal found 9/10![Iberia logo]()
$754
This Expedia deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:50 am -
1 stop15h 18m
Wed 1/612:50 pm -
1 stop35h 25m
Deal found 9/9![British Airways logo]()
$755
This Expedia deal was found by Cheapflights users on 9/11. 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.
Thu 10/2910:15 am -
1 stop29h 05m
Tue 11/31:58 pm -
1 stop11h 52m
Deal found 9/11![British Airways logo]()
$756
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:20 am -
1 stop21h 39m
Sun 10/257:10 pm -
1 stop30h 05m
Deal found 9/7![British Airways logo]()
$759
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:55 am -
1 stop15h 53m
Fri 11/610:21 am -
1 stop13h 54m
Deal found 9/8![Iberia logo]()
$764
Best flights from Frankfurt to St. LouisDiscover carefully curated flight deals from Frankfurt to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Frankfurt to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Expedia deal was found by Cheapflights users on 9/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:15 am -
1 stop17h 02m
Mon 12/79:50 am -
2 stops17h 40m
Deal found 9/6![British Airways logo]()
$747
This Delta deal was found by Cheapflights users on 9/9. 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 10/2210:15 am -
2 stops20h 06m
Sun 10/252:38 pm -
2 stops17h 42m
Deal found 9/9![Delta logo]()
$798
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/209:45 am -
2 stops36h 58m
Sun 12/136:10 am -
1 stop20h 00m
Deal found 9/11![United Airlines logo]()
$801
This Lufthansa deal was found by Cheapflights users on 9/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:40 am -
Nonstop9h 45m
Sun 10/411:35 am -
1 stop11h 55m
Deal found 9/7![Lufthansa logo]()
$805
This British Airways deal was found by Cheapflights users on 9/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:20 am -
1 stop21h 39m
Mon 10/1210:12 am -
1 stop15h 33m
Deal found 9/7![British Airways logo]()
$773
This Delta deal was found by Cheapflights users on 9/11. 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 9/257:00 am -
2 stops23h 16m
Sun 10/116:47 am -
2 stops18h 53m
Deal found 9/11![Delta logo]()
$802
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:40 am -
Nonstop9h 45m
Sun 10/43:30 pm -
Nonstop8h 55m
Deal found 9/9![United Airlines logo]()
$806
This British Airways deal was found by Cheapflights users on 9/11. 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 11/610:15 am -
1 stop18h 44m
Fri 11/134:26 pm -
1 stop33h 24m
Deal found 9/11![British Airways logo]()
$775
This British Airways deal was found by Cheapflights users on 9/11. 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.
Thu 10/2911:25 am -
2 stops18h 54m
Tue 11/31:15 pm -
2 stops17h 55m
Deal found 9/11![British Airways logo]()
$779
This British Airways deal was found by Cheapflights users on 9/10. 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.
Sun 12/137:25 am -
2 stops17h 51m
Wed 1/69:52 am -
2 stops17h 33m
Deal found 9/10![British Airways logo]()
$780
This British Airways deal was found by Cheapflights users on 9/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:25 am -
2 stops17h 51m
Fri 11/132:54 pm -
1 stop33h 21m
Deal found 9/6![British Airways logo]()
$785
Last-minute flights from Frankfurt to St. LouisDiscover last-minute flight deals from Frankfurt to St. Louis. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Frankfurt to St. Louis. Data last updated September 11, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 9/7. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:20 am -
1 stop15h 10m
Sun 10/48:30 am -
1 stop17h 15m
Deal found 9/7![British Airways logo]()
$773
This British Airways deal was found by Cheapflights users on 9/10. 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.
Wed 10/79:20 am -
1 stop21h 39m
Wed 11/45:29 pm -
2 stops16h 11m
Deal found 9/10![British Airways logo]()
$767
This Expedia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:55 am -
1 stop19h 47m
Fri 10/2310:12 am -
1 stop15h 33m
Deal found 9/10![Iberia logo]()
$766
This Expedia deal was found by Cheapflights users on 9/10. 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 10/149:20 am -
1 stop16h 58m
Sun 10/254:21 pm -
2 stops15h 54m
Deal found 9/10![British Airways logo]()
$746
This Expedia deal was found by Cheapflights users on 9/10. 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 10/1410:55 am -
1 stop14h 25m
Sun 10/2510:12 am -
1 stop15h 03m
Deal found 9/10![Iberia logo]()
$754
This Expedia deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:20 am -
1 stop21h 39m
Mon 10/265:27 pm -
2 stops16h 03m
Deal found 9/11![British Airways logo]()
$745
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:20 am -
1 stop21h 39m
Sun 10/257:10 pm -
1 stop30h 05m
Deal found 9/7![British Airways logo]()
$759
This Expedia deal was found by Cheapflights users on 9/9. 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.
Thu 10/2210:55 am -
1 stop19h 47m
Sun 10/254:21 pm -
2 stops15h 54m
Deal found 9/9![British Airways logo]()
$752
This Expedia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:55 am -
1 stop15h 53m
Fri 11/610:21 am -
1 stop13h 54m
Deal found 9/8![Iberia logo]()
$764
This Expedia deal was found by Cheapflights users on 9/11. 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.
Thu 10/2910:15 am -
1 stop29h 05m
Tue 11/31:58 pm -
1 stop11h 52m
Deal found 9/11![British Airways logo]()
$756
One-way flights from Frankfurt to St. LouisSearch for one-way flight options from Frankfurt to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Frankfurt to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Expedia deal was found by Cheapflights users on 9/9. 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 1/1110:15 am -
1 stop17h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Finnair logo]()
$497
This Expedia deal was found by Cheapflights users on 9/9. 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 1/1010:15 am -
1 stop17h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$499
This KAYAK deal was found by Cheapflights users on 9/9. 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 1/1212:10 pm -
2 stops28h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Iberia logo]()
$506
This Expedia deal was found by Cheapflights users on 9/9. 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.
Tue 12/157:30 am -
2 stops16h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$507
This Iberia deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/136:30 am -
2 stops20h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Iberia logo]()
$509
This KAYAK deal was found by Cheapflights users on 9/9. 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 1/1110:50 am -
2 stops18h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![British Airways logo]()
$511
This American Airlines deal was found by Cheapflights users on 9/8. 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 12/1010:50 am -
1 stop20h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:10 pm -
2 stops36h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$520
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:20 am -
2 stops19h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$522
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 12/1212:10 pm -
2 stops37h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 1/1010:40 am -
2 stops16h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$527
Find flight deals from Frankfurt to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt (FRA) to St. Louis (STL). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $745 (Expedia) |
One-way from | $497 (Expedia) |
Popular in | September |
Cheapest in | February |
Average price | $984 |
Cheapflights Fare Finder
Customize your flight search to find flights from Frankfurt to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Frankfurt am Main Airport to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Sat 1/9
10:40 am-6:01 pm
1 stop14h 21m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$538
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Sat 1/9
7:50 am-7:29 pm
2 stops18h 39m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$587
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Wed 9/16
10:55 am-12:27 am
2 stops20h 32m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$642
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Fri 10/2
8:40 pm-4:34 pm
3 stops50h 54m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$716
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Tue 9/29
9:20 am-10:42 pm
1 stop20h 22m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$719
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Mon 9/21
9:20 am-5:30 pm
1 stop15h 10m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$733
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Fri 1/1
9:50 am-8:47 pm
1 stop17h 57m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$736
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Wed 11/25
10:15 am-8:17 pm
1 stop17h 02m
Lambert-St Louis
Mon 12/7
9:50 am-10:30 am
2 stops17h 40m
$747
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Thu 10/15
5:10 am-11:13 pm
3 stops25h 03m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$753
Frankfurt am MainSt. Louis
FRA Frankfurt am Main - STL Lambert-St Louis
FRASTL
Frankfurt am Main
Mon 10/5
9:20 am-11:59 pm
1 stop21h 39m
Lambert-St Louis
Mon 10/12
10:12 am-8:45 am
1 stop15h 33m
$773
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Frankfurt to St. Louis
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 Frankfurt to St. Louis in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Frankfurt am Main Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Frankfurt am Main Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Frankfurt am Main Airport-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Frankfurt am Main Airport-St. Louis 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 Frankfurt am Main Airport-St. Louis 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 Frankfurt to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Frankfurt with our price prediction graph.
FRA-STL
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 Frankfurt am Main Airport to St. Louis
How far ahead should I book a flight from Frankfurt am Main Airport to St. Louis?
The best time to book flights from Frankfurt am Main Airport to St. Louis is 45 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 Frankfurt am Main Airport to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Frankfurt am Main Airport to St. Louis (average of $707). Flying from Frankfurt am Main Airport to St. Louis in September is currently the most expensive (average of $984). 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 FRA to STL?
Find hourly flight availability from Frankfurt to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Frankfurt am Main Airport to St. Louis as you normally would.
The best insider tips for Frankfurt am Main Airport to St. Louis 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 Frankfurt am Main Airport to St. Louis trip
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Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated September 11, 2026.
Read through reviews of airlines operating flights from Frankfurt am Main Airport to St. Louis, such as United Airlines and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Frankfurt to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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Frankfurt and St. Louis flights
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Top 2 airlines flying from Frankfurt to St. Louis
Discover the top 2 airlines that operate flights from Frankfurt to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$665 | Average$795 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$675 | Average$884 | FlexibilityNo cancel fee | On-time76% |