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Cheap flights from St. Louis to Dayton from $231

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 8/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
American Airlines Logo
5:10 am - 1:44 pm
STL
-
DAY
7h 34m
1 stop
American Airlines Logo
6:31 am - 11:55 am
DAY
-
STL
6h 24m
1 stop
$271American Airlines
Tue, Jul 7 - Sat, Jul 11
American Airlines Logo
7:03 am - 11:54 am
STL
-
DAY
3h 51m
1 stop
American Airlines Logo
8:49 am - 12:49 pm
DAY
-
STL
5h 00m
1 stop
$289American Airlines
Thu, Jun 25 - Thu, Jul 2
Delta Logo
9:21 am - 3:07 pm
STL
-
DAY
4h 46m
1 stop
Delta Logo
6:33 pm - 11:56 pm
DAY
-
STL
6h 23m
1 stop
$304Delta
Tue, Jun 9 - Wed, Jun 17
American Airlines Logo
5:03 pm - 12:12 am
STL
-
DAY
6h 09m
1 stop
American Airlines Logo
6:31 am - 11:59 am
DAY
-
STL
6h 28m
1 stop
$319American Airlines
Sat, Jun 6 - Wed, Jun 10
American Airlines Logo
5:03 pm - 12:12 am
STL
-
DAY
6h 09m
1 stop
American Airlines Logo
12:24 pm - 4:33 pm
DAY
-
STL
5h 09m
1 stop
$324American Airlines
Sat, Jun 6 - Tue, Jun 16
United Airlines Logo
7:25 am - 1:38 pm
STL
-
DAY
5h 13m
1 stop
United Airlines Logo
6:00 am - 12:02 pm
DAY
-
STL
7h 02m
1 stop
$341United Airlines
Sat, Aug 29 - Tue, Sep 1
Delta Logo
10:51 am - 5:48 pm
STL
-
DAY
5h 57m
1 stop
Delta Logo
4:29 pm - 10:18 pm
DAY
-
STL
6h 49m
1 stop
$364Delta
Thu, Jun 25 - Thu, Jul 2
Delta Logo
5:23 pm - 11:56 pm
STL
-
DAY
5h 33m
1 stop
Delta Logo
6:00 am - 9:20 am
DAY
-
STL
4h 20m
1 stop
$367Delta
Thu, Aug 13 - Sat, Aug 15
United Airlines Logo
6:00 am - 11:04 am
STL
-
DAY
4h 04m
1 stop
United Airlines Logo
6:10 pm - 9:30 pm
DAY
-
STL
4h 20m
1 stop
$389United Airlines
Tue, Jun 9 - Sat, Jun 13
United Airlines Logo
6:00 am - 11:04 am
STL
-
DAY
4h 04m
1 stop
United Airlines Logo
6:10 pm - 9:30 pm
DAY
-
STL
4h 20m
1 stop
$489United Airlines
Wed, Jun 17 - Fri, Jun 19

United Airlines flights from St. Louis to Dayton

Our best United Airlines deals on St. Louis to Dayton flight tickets
United Airlines
Aug 29
STL7:25 amLambert-St Louis
5h 13m
1 stop
DAY1:38 pmDayton
Sep 1
DAY6:00 amDayton
7h 02m
1 stop
STL12:02 pmLambert-St Louis
$341
United Airlines
May 29
STL6:00 amLambert-St Louis
5h 51m
1 stop
DAY12:51 pmDayton
Jun 7
DAY6:00 amDayton
3h 39m
1 stop
STL8:39 amLambert-St Louis
$385
United Airlines
Jun 9
STL6:00 amLambert-St Louis
4h 04m
1 stop
DAY11:04 amDayton
Jun 13
DAY6:10 pmDayton
4h 20m
1 stop
STL9:30 pmLambert-St Louis
$389

Delta flights from St. Louis to Dayton

Our best Delta deals on St. Louis to Dayton flight tickets
Delta
Jun 9
STL9:21 amLambert-St Louis
4h 46m
1 stop
DAY3:07 pmDayton
Jun 17
DAY6:33 pmDayton
6h 23m
1 stop
STL11:56 pmLambert-St Louis
$304
Delta
May 29
STL10:49 amLambert-St Louis
6h 11m
1 stop
DAY6:00 pmDayton
May 31
DAY6:00 amDayton
7h 20m
1 stop
STL12:20 pmLambert-St Louis
$315
Delta
May 29
STL10:49 amLambert-St Louis
6h 11m
1 stop
DAY6:00 pmDayton
May 31
DAY11:20 amDayton
5h 55m
1 stop
STL4:15 pmLambert-St Louis
$325

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 May 27, 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

Tue 7/7

5:10 am-1:44 pm

1 stop7h 34m

Dayton

Sat 7/11

6:31 am-11:55 am

1 stop6h 24m

$271

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Thu 6/25

7:03 am-11:54 am

1 stop3h 51m

Dayton

Thu 7/2

8:49 am-12:49 pm

1 stop5h 00m

$289

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Tue 6/9

9:21 am-3:07 pm

1 stop4h 46m

Dayton

Wed 6/17

6:33 pm-11:56 pm

1 stop6h 23m

$304

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 6/6

5:03 pm-12:12 am

1 stop6h 09m

Dayton

Wed 6/10

6:31 am-11:59 am

1 stop6h 28m

$319

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 6/6

5:03 pm-12:12 am

1 stop6h 09m

Dayton

Tue 6/16

12:24 pm-4:33 pm

1 stop5h 09m

$324

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 8/29

7:25 am-1:38 pm

1 stop5h 13m

Dayton

Tue 9/1

6:00 am-12:02 pm

1 stop7h 02m

$341

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Thu 6/25

10:51 am-5:48 pm

1 stop5h 57m

Dayton

Thu 7/2

4:29 pm-10:18 pm

1 stop6h 49m

$364

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Thu 8/13

5:23 pm-11:56 pm

1 stop5h 33m

Dayton

Sat 8/15

6:00 am-9:20 am

1 stop4h 20m

$367
Quickest round-trip

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Tue 6/9

6:00 am-11:04 am

1 stop4h 04m

Dayton

Sat 6/13

6:10 pm-9:30 pm

1 stop4h 20m

$389

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 6/17

6:00 am-11:04 am

1 stop4h 04m

Dayton

Fri 6/19

6:10 pm-9:30 pm

1 stop4h 20m

$489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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2

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 February is, on average, the cheapest month to fly to Dayton from St. Louis, with most prices found around $0. The month of August is another great option to travel to Dayton, with average flight prices from St. Louis averaging around $273.

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 44m

Direct flights

None
The fastest flight from St. Louis to Dayton takes 3h 44m
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 44m 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 $233Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,640 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
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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