Frontier AirlinesDepart19:59
Sat, Nov 14STL → DAY
10h 12m · 3 stops
$292one way, per person
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- Cheapest fare
- $292
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 10h 12m
Frontier Airlines · Sat, Nov 14
from $292
Usually 1+ stop
530 km
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Cheapest month to fly from St Louis to Dayton
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from St Louis to Dayton
St Louis (STL) and Dayton (DAY) are about 530 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 10h 12m. Over the next few months, one-way fares start from $292, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from St Louis to Dayton?
The cheapest one-way fare we've seen recently is $292 with Frontier Airlines, departing Saturday, November 14, 2026.
What is the cheapest month to fly from St Louis to Dayton?
November 2026 currently has the lowest fares, from $292 one way.
Are there direct flights from St Louis to Dayton?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from St Louis to Dayton?
The quickest journey we've seen takes about 10h 12m. St Louis and Dayton are around 530 km apart.
Which airlines fly from St Louis to Dayton?
Recent fares on this route were with Frontier Airlines.
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