Cheap Flights from St Louis to Dayton International

Compare St Louis to Dayton International flight deals

Find the cheapest month or even day of the year to fly to Dayton International

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Flight deals from St Louis to Dayton International

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Dayton International Airport? If you want to travel next month, return fares start from Rs80,186. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Dayton International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Dayton International flights are currently cheapest in August.

St Louis to Dayton International: Alternative routes

Compare routes from St Louis to Dayton below. You may find an airport to fly into that's cheaper, faster, or easier than Dayton International.

St Louis to Dayton: Flight information

The things to know before you go.
Cheapest flight foundRs33,270
Cheapest month to flyAugust

Finding cheap flights from St Louis to Dayton International: Frequently asked questions

The best price we found for a return flight from St Louis to Dayton International is Rs77,910. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Dayton International. But we found flights with one or more stops from Rs77,996.
As of July 2026, there are no flights flying from St Louis to Dayton International.
The cheapest month to fly from St Louis to Dayton International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Dayton International Airport on Wednesday, 26 August 2026.
No airlines currently offer direct flights between St Louis Airport and Dayton International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dayton International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dayton is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Delta offers the cheapest flight tickets to Dayton International.

Flying from St Louis Airport (STL) to Dayton International Airport (DAY): what you need to know

  • Arrive at the airport on time so you don't miss your STL to DAY flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • Flying during a peak time like July? School holidays and other high seasons can result in longer lines and delays at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • Consider adding a stopover when booking your ticket from St Louis Airport to Dayton International Airport. Just deselect 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Here are some options between STL and DAY:

    • Chicago O'Hare International Airport

    • Atlanta Hartsfield-Jackson Airport

    • Washington Dulles Airport

How to find the cheapest flights from St Louis Airport (STL) to Dayton International Airport (DAY)

  • The lowest price we've seen for a one-way St Louis Airport to Dayton International Airport flight is Rs33,307. A round-trip fare right now is Rs77,910. Depending on the availability when you book, these fares can change.

  • It's often best to book as early as possible if you're hoping to get cheap tickets from STL to DAY. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • Finding cheap flights from St Louis Airport to Dayton International Airport is easy if you can be flexible with your travel dates. Use the 'Whole month' tool to see the lowest fares across the month and bag a great deal.

  • Cut down on the time spent looking for cheap flights from STL to DAY by creating a Price Alert. We'll send you an email or push notification on the app when fares go down.

  • Choose your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from St Louis Airport to Dayton International Airport.

Handy information about St Louis Airport (STL)

Arriving at Dayton International Airport (DAY)

Getting from Dayton International Airport (DAY) to central Dayton

  • DAY is located at Terminal Building.

  • From Dayton International Airport, Dayton is approximately 16 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It takes roughly 40 minutes to get there using public transport.

When to fly to Dayton International Airport (DAY)

  • November is the most popular month for flights from St Louis Airport to Dayton International Airport. To skip the crowds, visit Dayton in March.

  • The warmest month in Dayton is July, with the temperature ranging between 15ºC and 30ºC. Lock in your flights from St Louis Airport to Dayton International Airport in this month if this is the type of weather you like.

  • Look for cheap tickets from STL to DAY in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -11ºC and 6ºC on average.

Explore more of the United States

  • You've visited Dayton, now it's time to explore other corners of the United States. Travel about 370 kilometres north-west to Chicago to check off its must-visit sights. From Millennium Park to Art Institute of Chicago and Willis Tower, you'll have a packed itinerary ahead.

  • Columbus is another well-known destination in the United States and is around 105 kilometres east of Dayton. No journey is complete without seeing Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.