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Cheap flights from St. Louis to Dayton from $178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Dayton departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Dayton

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:40 am - 1:19 pm
STL
-
DAY
4h 39m
1 stop
United Airlines Logo
9:14 am - 2:42 pm
DAY
-
STL
6h 28m
1 stop
$249United Airlines
Wed, Mar 11 - Wed, Mar 18
United Airlines Logo
7:41 am - 1:25 pm
STL
-
DAY
4h 44m
1 stop
United Airlines Logo
9:00 am - 12:21 pm
DAY
-
STL
4h 21m
1 stop
$259United Airlines
Wed, Feb 25 - Sun, Mar 1
Delta Logo
6:00 am - 10:55 am
STL
-
DAY
3h 55m
1 stop
Delta Logo
6:44 pm - 11:36 pm
DAY
-
STL
5h 52m
1 stop
$269Delta
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
6:35 pm - 11:40 pm
STL
-
DAY
4h 05m
1 stop
United Airlines Logo
7:22 pm - 10:56 pm
DAY
-
STL
4h 34m
1 stop
$289United Airlines
Fri, Apr 17 - Sun, Apr 19
United Airlines Logo
6:25 am - 1:25 pm
STL
-
DAY
6h 00m
1 stop
United Airlines Logo
5:49 pm - 9:05 pm
DAY
-
STL
4h 16m
1 stop
$319United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
9:55 am - 5:10 pm
STL
-
DAY
6h 15m
1 stop
United Airlines Logo
5:49 pm - 9:05 pm
DAY
-
STL
4h 16m
1 stop
$339United Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
1:13 pm - 6:56 pm
STL
-
DAY
4h 43m
1 stop
United Airlines Logo
6:00 am - 8:37 am
DAY
-
STL
3h 37m
1 stop
$348United Airlines
Fri, Jun 12 - Mon, Jun 15
American Airlines Logo
5:12 am - 11:39 am
STL
-
DAY
5h 27m
1 stop
American Airlines Logo
5:47 am - 12:44 pm
DAY
-
STL
7h 57m
1 stop
$349American Airlines
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
6:35 pm - 11:34 pm
STL
-
DAY
3h 59m
1 stop
United Airlines Logo
5:43 pm - 10:56 pm
DAY
-
STL
6h 13m
1 stop
$367United Airlines
Mon, Apr 20 - Wed, Apr 22
United Airlines Logo
5:29 pm - 10:23 pm
STL
-
DAY
3h 54m
1 stop
United Airlines Logo
7:15 am - 12:11 pm
DAY
-
STL
5h 56m
1 stop
$392United Airlines
Fri, May 22 - Sat, May 23

United Airlines flights from St. Louis to Dayton

Our best United Airlines deals on St. Louis to Dayton flight tickets
United Airlines
Mar 11
STL7:40 amLambert-St Louis
4h 39m
1 stop
DAY1:19 pmDayton
Mar 18
DAY9:14 amDayton
6h 28m
1 stop
STL2:42 pmLambert-St Louis
$249
United Airlines
Feb 25
STL7:41 amLambert-St Louis
4h 44m
1 stop
DAY1:25 pmDayton
Mar 1
DAY9:00 amDayton
4h 21m
1 stop
STL12:21 pmLambert-St Louis
$259
United Airlines
Apr 17
STL6:35 pmLambert-St Louis
4h 05m
1 stop
DAY11:40 pmDayton
Apr 19
DAY7:22 pmDayton
4h 34m
1 stop
STL10:56 pmLambert-St Louis
$289

American Airlines flights from St. Louis to Dayton

Our best American Airlines deals on St. Louis to Dayton flight tickets
American Airlines
Feb 20
STL2:00 pmLambert-St Louis
7h 30m
1 stop
DAY10:30 pmDayton
Feb 22
DAY5:47 amDayton
7h 46m
1 stop
STL12:33 pmLambert-St Louis
$309
American Airlines
Mar 12
STL5:12 amLambert-St Louis
5h 27m
1 stop
DAY11:39 amDayton
Mar 19
DAY5:47 amDayton
7h 57m
1 stop
STL12:44 pmLambert-St Louis
$349
American Airlines
Mar 11
STL1:34 pmLambert-St Louis
5h 38m
1 stop
DAY8:12 pmDayton
Mar 12
DAY12:41 pmDayton
6h 12m
1 stop
STL5:53 pmLambert-St Louis
$455

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Dayton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 14, 2026.
Use the filters below to find and compare flights from St. Louis to Dayton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 3/11

7:40 am-1:19 pm

1 stop4h 39m

Dayton

Wed 3/18

9:14 am-2:42 pm

1 stop6h 28m

$249

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 2/25

7:41 am-1:25 pm

1 stop4h 44m

Dayton

Sun 3/1

9:00 am-12:21 pm

1 stop4h 21m

$259

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Thu 2/26

6:00 am-10:55 am

1 stop3h 55m

Dayton

Mon 3/2

6:44 pm-11:36 pm

1 stop5h 52m

$269

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 4/17

6:35 pm-11:40 pm

1 stop4h 05m

Dayton

Sun 4/19

7:22 pm-10:56 pm

1 stop4h 34m

$289

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Tue 2/24

6:25 am-1:25 pm

1 stop6h 00m

Dayton

Sat 2/28

5:49 pm-9:05 pm

1 stop4h 16m

$319

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Tue 2/24

9:55 am-5:10 pm

1 stop6h 15m

Dayton

Sat 2/28

5:49 pm-9:05 pm

1 stop4h 16m

$339

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 6/12

1:13 pm-6:56 pm

1 stop4h 43m

Dayton

Mon 6/15

6:00 am-8:37 am

1 stop3h 37m

$348

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Thu 3/12

5:12 am-11:39 am

1 stop5h 27m

Dayton

Thu 3/19

5:47 am-12:44 pm

1 stop7h 57m

$349

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Mon 4/20

6:35 pm-11:34 pm

1 stop3h 59m

Dayton

Wed 4/22

5:43 pm-10:56 pm

1 stop6h 13m

$367

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 5/22

5:29 pm-10:23 pm

1 stop3h 54m

Dayton

Sat 5/23

7:15 am-12:11 pm

1 stop5h 56m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dayton from

How to get the cheapest flight ticket from St. Louis to Dayton

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 Dayton?

The month of August is, on average, the cheapest month to fly to Dayton from St. Louis, with most prices found around $273. The month of April is another great option to travel to Dayton, with average flight prices from St. Louis averaging around $288.

When to book flights from St. Louis to Dayton

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Dayton according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Dayton (STL to DAY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Dayton

Fastest flight time

3h 43m

Direct flights

None
The fastest flight from St. Louis to Dayton takes 3h 43m
There are no direct flights from St. Louis to Dayton. There are no popular flight routes from St. Louis to Dayton.
Search flight deals

  • How far is Lambert-St Louis to Dayton by plane?

    The distance between Lambert-St Louis and Dayton is about 330.7 mi. Typically, this will take 3h 43m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Dayton Airport?

    Prices for flights from Lambert-St Louis Airport to Dayton Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Dayton Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Dayton Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Dayton Airport.

  • What documentation or ID do you need to fly to Dayton Airport?

    The necessary travel and health documents for your Dayton Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Dayton?

Best airlines flying from St. Louis to Dayton

Compare and see reviews for airlines that fly from St. Louis to Dayton with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,289 reviews
Search United Airlines flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
11,288 reviews
Search American Airlines flights

Traveling to a place near Dayton?

Book flights to Dayton if you plan to visit one of these locations
Richmond
Springfield
Troy
Miamisburg
Fairborn
Huber Heights
Beavercreek
Xenia
Sidney
Greenville
Winchester

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Dayton?

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 St. Louis to Dayton for you.

Can I find flights from St. Louis to Dayton with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Dayton from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Dayton?

momondo provides multiple filters to help you find the best flight to Dayton from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Dayton right now. Can momondo alert me if prices change?

Price alerts on flights to Dayton from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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