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Cheap flights from St. Louis to Dayton from $205

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 8/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Dayton

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 2:17 pm
STL
-
DAY
6h 17m
1 stop
Delta Logo
3:06 pm - 6:27 pm
DAY
-
STL
4h 21m
1 stop
$271Delta
Wed, Aug 19 - Tue, Aug 25
American Airlines Logo
5:00 am - 11:11 am
STL
-
DAY
5h 11m
1 stop
American Airlines Logo
8:25 am - 12:55 pm
DAY
-
STL
5h 30m
1 stop
$282American Airlines
Sat, Aug 22 - Sat, Aug 29
Delta Logo
9:15 am - 2:17 pm
STL
-
DAY
4h 02m
1 stop
Delta Logo
3:06 pm - 6:27 pm
DAY
-
STL
4h 21m
1 stop
$290Delta
Wed, Aug 19 - Wed, Aug 26
Delta Logo
11:00 am - 5:45 pm
STL
-
DAY
5h 45m
1 stop
Delta Logo
11:26 am - 4:17 pm
DAY
-
STL
5h 51m
1 stop
$299Delta
Fri, Aug 21 - Mon, Aug 24
Delta Logo
11:00 am - 5:45 pm
STL
-
DAY
5h 45m
1 stop
Delta Logo
11:24 am - 2:49 pm
DAY
-
STL
4h 25m
1 stop
$300Delta
Wed, Aug 19 - Sat, Sep 12
United Airlines Logo
6:00 am - 10:58 am
STL
-
DAY
3h 58m
1 stop
United Airlines Logo
6:00 am - 12:02 pm
DAY
-
STL
7h 02m
1 stop
$304United Airlines
Fri, Aug 7 - Fri, Aug 14
Delta Logo
9:15 am - 2:17 pm
STL
-
DAY
4h 02m
1 stop
Delta Logo
6:30 pm - 11:58 pm
DAY
-
STL
6h 28m
1 stop
$309Delta
Fri, Aug 21 - Mon, Aug 24
Delta Logo
5:23 pm - 11:56 pm
STL
-
DAY
5h 33m
1 stop
Delta Logo
6:30 pm - 11:21 pm
DAY
-
STL
5h 51m
1 stop
$329Delta
Fri, Aug 7 - Tue, Aug 11
United Airlines Logo
1:08 pm - 8:49 pm
STL
-
DAY
6h 41m
1 stop
United Airlines Logo
2:50 pm - 7:30 pm
DAY
-
STL
5h 40m
1 stop
$341United Airlines
Tue, Nov 10 - Sat, Nov 14
United Airlines Logo
1:08 pm - 8:31 pm
STL
-
DAY
6h 23m
1 stop
United Airlines Logo
2:44 pm - 7:15 pm
DAY
-
STL
5h 31m
1 stop
$351United Airlines
Tue, Nov 10 - Sat, Nov 14

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Delta flights from St. Louis to Dayton

Our best Delta deals on St. Louis to Dayton flight tickets
Delta
Aug 19
STL7:00 amLambert-St Louis
6h 17m
1 stop
DAY2:17 pmDayton
Aug 25
DAY3:06 pmDayton
4h 21m
1 stop
STL6:27 pmLambert-St Louis
$271
Delta
Aug 19
STL9:15 amLambert-St Louis
4h 02m
1 stop
DAY2:17 pmDayton
Aug 26
DAY3:06 pmDayton
4h 21m
1 stop
STL6:27 pmLambert-St Louis
$290
Delta
Aug 21
STL11:00 amLambert-St Louis
5h 45m
1 stop
DAY5:45 pmDayton
Aug 24
DAY11:26 amDayton
5h 51m
1 stop
STL4:17 pmLambert-St Louis
$299

United Airlines flights from St. Louis to Dayton

Our best United Airlines deals on St. Louis to Dayton flight tickets
United Airlines
Aug 7
STL6:00 amLambert-St Louis
3h 58m
1 stop
DAY10:58 amDayton
Aug 14
DAY6:00 amDayton
7h 02m
1 stop
STL12:02 pmLambert-St Louis
$304
United Airlines
Nov 10
STL1:08 pmLambert-St Louis
6h 41m
1 stop
DAY8:49 pmDayton
Nov 14
DAY2:50 pmDayton
5h 40m
1 stop
STL7:30 pmLambert-St Louis
$341
United Airlines
Nov 10
STL1:08 pmLambert-St Louis
6h 23m
1 stop
DAY8:31 pmDayton
Nov 14
DAY2:44 pmDayton
5h 31m
1 stop
STL7:15 pmLambert-St Louis
$351

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 July 24, 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

Cheapest round-trip

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 8/19

7:00 am-2:17 pm

1 stop6h 17m

Dayton

Tue 8/25

3:06 pm-6:27 pm

1 stop4h 21m

$271

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 8/22

5:00 am-11:11 am

1 stop5h 11m

Dayton

Sat 8/29

8:25 am-12:55 pm

1 stop5h 30m

$282
Quickest round-trip

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 8/19

9:15 am-2:17 pm

1 stop4h 02m

Dayton

Wed 8/26

3:06 pm-6:27 pm

1 stop4h 21m

$290

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 8/21

11:00 am-5:45 pm

1 stop5h 45m

Dayton

Mon 8/24

11:26 am-4:17 pm

1 stop5h 51m

$299

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 8/19

11:00 am-5:45 pm

1 stop5h 45m

Dayton

Sat 9/12

11:24 am-2:49 pm

1 stop4h 25m

$300

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 8/7

6:00 am-10:58 am

1 stop3h 58m

Dayton

Fri 8/14

6:00 am-12:02 pm

1 stop7h 02m

$304

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 8/21

9:15 am-2:17 pm

1 stop4h 02m

Dayton

Mon 8/24

6:30 pm-11:58 pm

1 stop6h 28m

$309

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 8/7

5:23 pm-11:56 pm

1 stop5h 33m

Dayton

Tue 8/11

6:30 pm-11:21 pm

1 stop5h 51m

$329

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Tue 11/10

1:08 pm-8:49 pm

1 stop6h 41m

Dayton

Sat 11/14

2:50 pm-7:30 pm

1 stop5h 40m

$341

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Tue 11/10

1:08 pm-8:31 pm

1 stop6h 23m

Dayton

Sat 11/14

2:44 pm-7:15 pm

1 stop5h 31m

$351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 June is, on average, the cheapest month to fly to Dayton from St. Louis, with most prices found around $0. The month of February is another great option to travel to Dayton, with average flight prices from St. Louis averaging around $0.

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 58m

Direct flights

None
The fastest flight from St. Louis to Dayton takes 3h 58m
There are no direct flights from St. Louis to Dayton. There are no popular flight routes from St. Louis to Dayton.
Search flight deals

Frequently asked questions about flying from St. Louis to Dayton

  • 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 58m 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 $248Free CancellationRating
7.4
10,026 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.1
11,842 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
Fairborn
Miamisburg
Troy
Xenia
Beavercreek
Huber Heights
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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