Cheap flights from Dayton to St. Louis from $219
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to St. Louis departing on 4/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Dayton to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Dayton to St. Louis
Our best Delta deals on Dayton to St. Louis flight tickets
United Airlines flights from Dayton to St. Louis
Our best United Airlines deals on Dayton to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Dayton to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
In general, April is the cheapest month to fly from Dayton to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $275. The month of January is another great option to travel to St. Louis, with average flight prices from Dayton averaging around $288.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $260. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $474. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
When to book flights from Dayton to St. Louis
Cheap Dayton to St. Louis (DAY to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dayton to St. Louis
How far is Dayton to Lambert-St Louis by plane?
A flight from Dayton to Lambert-St Louis will travel around 330.7 mi. In terms of flight time, this usually takes a little over 3h 48m.
When did momondo last update prices for flights from Dayton Airport to Lambert-St Louis Airport?
Prices for flights from Dayton Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dayton Airport to Lambert-St Louis Airport?
There are 3 operators available for flights from Dayton Airport to Lambert-St Louis Airport as of April 2025.
How old do you have to be to fly from Dayton Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dayton Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Dayton to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dayton to St. Louis is American Airlines (63% of total bookings). The next most popular airlines are United Airlines (22%) and Delta (14%).
Best airlines flying from Dayton to St. Louis
Compare and see reviews for airlines that fly from Dayton to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $198 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $235 | Free Cancellation | Rating 7.4 8,619 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Dayton to St. Louis?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dayton to St. Louis for you.
Can I find flights from Dayton to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Dayton with this policy.
How can momondo help me find flights from Dayton to St. Louis?
momondo provides multiple filters to help you find the best flight to St. Louis from Dayton. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Dayton to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Dayton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.