St Louis to Marion flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for St Louis to Marion is €212 (checked on 28 Oct 2026).
Your next trip, last seen at €212
When 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
- €212, departing 4 Dec 2026 (Last checked: 28 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 43Check live prices for this route
- Airlines seen
- American Airlines
- Non-stop
- Yes
About this route
Explore the fares we observed from St Louis to Marion. Prices move often, so pick your dates to see the latest options.
- Route distance
- 142 km
- Alternative airports
- SUS
Route-level information; individual journeys vary.
Published schedules report non-stop service with Cape Air. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
- Veterans Airport of Southern Illinois (MWA) → Marion, city gazetteer reference point (37.7519, -89.0164): ≈ 0 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 St Louis to Marion: December 2026, from €212 (checked 28 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €231 | 13 |
| December 2026 | €212 | 27 |
Lowest fare by day of the week
Cheapest day of the week from St Louis to Marion: Tuesday, from €212 (checked 28 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €231 | 7 |
| Tuesday | €212 | 5 |
| Wednesday | €212 | 7 |
| Thursday | €231 | 6 |
| Friday | €212 | 6 |
| Saturday | €231 | 6 |
| Sunday | €302 | 6 |
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 St Louis to Marion by days until departure (31 to 60 days): €212 (checked 28 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | €231 | 15 |
| 31 to 60 days | €212 | 25 |
| 61 days or more | €360 | 3 |
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.
Frequently asked
How much is a flight from St Louis to Marion?
The lowest fare Routavio has observed is €212, found on 28 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from St Louis to Marion?
Cheapest month from St Louis to Marion: December 2026, from €212 (checked 28 Oct 2026).
Are there direct flights from St Louis to Marion?
Yes. Published schedules report non-stop flights on this route with Cape Air.
Which airlines fly from St Louis to Marion?
Routavio has seen these carriers on the route: American Airlines.
Which day of the week is cheapest from St Louis to Marion?
Cheapest day of the week from St Louis to Marion: Tuesday, from €212 (checked 28 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.