Your next trip, last seen at €498
Below averageTAP Air Portugal · 3 stops · One wayWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €498, departing 4 Nov 2026 (Last checked: 13 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 84Check live prices for this route
- Airlines seen
- United Airlines, Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Azores Airlines, Brussels Airlines, Condor, Delta Air Lines, Finnair, Frontier Airlines, Iberia, Icelandair, KLM, LOT Polish Airlines, Lufthansa, Norse, Qatar Airways, Ryanair, Southern Airways Express, TAP Air Portugal, WestJet, Wizz Air Malta (24)
- Typical journey time
- 31h 37m
About this route
Explore the fares we observed from Frankfurt to St Louis. Prices move often, so pick your dates to see the latest options.
- Route distance
- 7,371 km
- Typical journey time
- 31h 37m
- Airlines seen
- United Airlines, Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Azores Airlines, Brussels Airlines, Condor, Delta Air Lines, Finnair, Frontier Airlines, Iberia, Icelandair, KLM, LOT Polish Airlines, Lufthansa, Norse, Qatar Airways, Ryanair, Southern Airways Express, TAP Air Portugal, WestJet, Wizz Air Malta (24)
- Alternative airports
- HHN, SUS
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| United Airlines | 8 / 84 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Frankfurt am Main (FRA) → Frankfurt, city gazetteer reference point (50.0507, 8.5708): ≈ 2 km.
- Frankfurt-Hahn Airport (HHN) → Frankfurt, city gazetteer reference point (50.0507, 8.5708): ≈ 94 km.
- St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Frankfurt to St Louis: November 2026, from €498 (checked 13 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €675 | 12 |
| November 2026 | €498 | 30 |
| December 2026 | €525 | 31 |
| January 2027 | €531 | 11 |
Lowest fare by day of the week
Cheapest day of the week from Frankfurt to St Louis: Wednesday, from €498 (checked 13 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €602 | 12 |
| Tuesday | €559 | 12 |
| Wednesday | €498 | 13 |
| Thursday | €565 | 12 |
| Friday | €585 | 12 |
| Saturday | €525 | 11 |
| Sunday | €505 | 12 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Frankfurt to St Louis by days until departure (8 to 30 days): €498 (checked 13 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €723 | 8 |
| 8 to 30 days | €498 | 23 |
| 31 to 60 days | €525 | 30 |
| 61 days or more | €531 | 23 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Frankfurt to St Louis: Ryanair, from €505 (checked 13 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Ryanair | €505Nov 1, 2026 | 7 |
| Iberia | €525Dec 5, 2026 | 4 |
| Frontier Airlines | €531Jan 9, 2027 | 6 |
| Air France | €560Dec 1, 2026 | 5 |
| KLM | €560Dec 8, 2026 | 5 |
| Condor | €562Jan 12, 2027 | 17 |
| Lufthansa | €636Dec 28, 2026 | 3 |
| WestJet | €825Nov 17, 2026 | 4 |
| United Airlines | €861Nov 6, 2026 | 22 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Frankfurt to St Louis?
The lowest fare we have observed is €498, found on 13 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Frankfurt to St Louis?
Cheapest month from Frankfurt to St Louis: November 2026, from €498 (checked 13 Oct 2026).
Are there direct flights from Frankfurt to St Louis?
Our data holds no non-stop flight from Frankfurt to St Louis. The fares on this page include at least one stop.
Which airlines fly from Frankfurt to St Louis?
These are the carriers we have seen on the route: United Airlines, Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Azores Airlines, Brussels Airlines, Condor, Delta Air Lines, Finnair, Frontier Airlines, Iberia, Icelandair, KLM, LOT Polish Airlines, Lufthansa, Norse, Qatar Airways, Ryanair, Southern Airways Express, TAP Air Portugal, WestJet, Wizz Air Malta (24).
How long does the flight from Frankfurt to St Louis take?
The average journey time across the 180 fares we observed is 29h 49m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
Which airlines had non-stop offers on at least 3 departure dates from Frankfurt to St Louis?
For Frankfurt to St Louis, examples of observed one-way non-stop offers checked within the last 14 days: United Airlines (8). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Frankfurt to St Louis?
Cheapest day of the week from Frankfurt to St Louis: Wednesday, from €498 (checked 13 Oct 2026).
Which airline has the lowest fare from Frankfurt to St Louis?
Cheapest airline from Frankfurt to St Louis: Ryanair, from €505 (checked 13 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 20 Oct 2026