What airlines fly to St. Louis?

Southwest, American Airlines and United Airlines are the top three most popular airlines that fly to St. Louis from Dayton according to our data. Southwest is the first choice among our users, with 53% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Dayton to Lambert-St Louis?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Dayton to Lambert-St Louis

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 January 2026.

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.

$214 Cheap Flights from Dayton to St. Louis in 2026

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Find the cheapest flights from Dayton to St. Louis

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5:47 pm - 10:58 pm

DAY

STL

6h 11m

1 stop

11:20 am - 5:04 pm

STL

DAY

4h 44m

1 stop

$259United Airlines

Tue, Jan 27 - Sat, Jan 31

6:14 pm - 10:59 pm

DAY

STL

5h 45m

1 stop

11:05 am - 8:38 pm

STL

DAY

8h 33m

2 stops

$264American Airlines

Fri, Jan 30 - Tue, Feb 3

2:39 pm - 8:41 pm

DAY

STL

7h 02m

1 stop

6:00 am - 10:55 am

STL

DAY

3h 55m

1 stop

$269Delta

Fri, Feb 20 - Sun, Feb 22

3:29 pm - 10:59 pm

DAY

STL

8h 30m

1 stop

11:05 am - 8:38 pm

STL

DAY

8h 33m

2 stops

$284American Airlines

Tue, Jan 27 - Sat, Jan 31

7:44 am - 2:50 pm

DAY

STL

8h 06m

2 stops

11:05 am - 9:08 pm

STL

DAY

9h 03m

2 stops

$290American Airlines

Tue, Jan 27 - Sat, Jan 31

5:47 am - 12:33 pm

DAY

STL

7h 46m

1 stop

8:00 am - 3:41 pm

STL

DAY

6h 41m

1 stop

$294American Airlines

Fri, Feb 13 - Mon, Feb 16

9:05 am - 2:30 pm

DAY

STL

6h 25m

1 stop

6:40 pm - 11:45 pm

STL

DAY

4h 05m

1 stop

$319United Airlines

Fri, Jan 30 - Tue, Feb 3

1:54 pm - 9:12 pm

DAY

STL

8h 18m

2 stops

6:00 am - 12:11 pm

STL

DAY

5h 11m

1 stop

$368American Airlines

Fri, Feb 20 - Sun, Feb 22

4:15 pm - 8:26 pm

DAY

STL

5h 11m

1 stop

6:00 am - 11:15 am

STL

DAY

4h 15m

1 stop

$401American Airlines

Sun, Jun 21 - Wed, Jun 24

2:37 pm - 8:37 pm

DAY

STL

7h 00m

1 stop

6:00 am - 10:50 am

STL

DAY

3h 50m

1 stop

$463Delta

Tue, Feb 3 - Fri, Feb 6

United Airlines flights from Dayton to St. Louis

Our best United Airlines deals on Dayton to St. Louis flight tickets

United Airlines

Jan 27

DAY5:47 pmDayton

6h 11m

1 stop

STL10:58 pmLambert-St Louis

Jan 31

STL11:20 amLambert-St Louis

4h 44m

1 stop

DAY5:04 pmDayton

$259

United Airlines

Jan 23

DAY5:47 pmDayton

6h 11m

1 stop

STL10:58 pmLambert-St Louis

Jan 25

STL4:49 pmLambert-St Louis

4h 13m

1 stop

DAY10:02 pmDayton

$299

United Airlines

Jan 30

DAY9:05 amDayton

6h 25m

1 stop

STL2:30 pmLambert-St Louis

Feb 3

STL6:40 pmLambert-St Louis

4h 05m

1 stop

DAY11:45 pmDayton

$319

American Airlines flights from Dayton to St. Louis

Our best American Airlines deals on Dayton to St. Louis flight tickets

American Airlines

Jan 30

DAY6:14 pmDayton

5h 45m

1 stop

STL10:59 pmLambert-St Louis

Feb 3

STL11:05 amLambert-St Louis

8h 33m

2 stops

DAY8:38 pmDayton

$264

American Airlines

Jan 27

DAY3:29 pmDayton

8h 30m

1 stop

STL10:59 pmLambert-St Louis

Jan 31

STL11:05 amLambert-St Louis

8h 33m

2 stops

DAY8:38 pmDayton

$284

American Airlines

Jan 27

DAY7:44 amDayton

8h 06m

2 stops

STL2:50 pmLambert-St Louis

Jan 31

STL11:05 amLambert-St Louis

9h 03m

2 stops

DAY9:08 pmDayton

$290

Fly from

Fly to

Route

Depart

Return

Price

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Tue 1/27

5:47 pm-10:58 pm

1 stop6h 11m

Lambert-St Louis

Sat 1/31

11:20 am-5:04 pm

1 stop4h 44m

$259

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 1/30

6:14 pm-10:59 pm

1 stop5h 45m

Lambert-St Louis

Tue 2/3

11:05 am-8:38 pm

2 stops8h 33m

$264

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 2/20

2:39 pm-8:41 pm

1 stop7h 02m

Lambert-St Louis

Sun 2/22

6:00 am-10:55 am

1 stop3h 55m

$269

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Tue 1/27

3:29 pm-10:59 pm

1 stop8h 30m

Lambert-St Louis

Sat 1/31

11:05 am-8:38 pm

2 stops8h 33m

$284

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Tue 1/27

7:44 am-2:50 pm

2 stops8h 06m

Lambert-St Louis

Sat 1/31

11:05 am-9:08 pm

2 stops9h 03m

$290

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 2/13

5:47 am-12:33 pm

1 stop7h 46m

Lambert-St Louis

Mon 2/16

8:00 am-3:41 pm

1 stop6h 41m

$294

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 1/30

9:05 am-2:30 pm

1 stop6h 25m

Lambert-St Louis

Tue 2/3

6:40 pm-11:45 pm

1 stop4h 05m

$319

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 2/20

1:54 pm-9:12 pm

2 stops8h 18m

Lambert-St Louis

Sun 2/22

6:00 am-12:11 pm

1 stop5h 11m

$368

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sun 6/21

4:15 pm-8:26 pm

1 stop5h 11m

Lambert-St Louis

Wed 6/24

6:00 am-11:15 am

1 stop4h 15m

$401

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Tue 2/3

2:37 pm-8:37 pm

1 stop7h 00m

Lambert-St Louis

Fri 2/6

6:00 am-10:50 am

1 stop3h 50m

$463

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to St. Louis?

In general, July 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 $238. The month of November is another great option to travel to St. Louis, with average flight prices from Dayton averaging around $258.

When to book flights from Dayton to St. Louis

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

Estimated round-trip price

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

Fastest flight time	4h 16m
Direct flights	None

The fastest flight from Dayton to St. Louis takes 4h 16m

There are no direct flights from Dayton to St. Louis. There are no popular flight routes from Dayton to St. Louis.

Search flight deals

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 4h 16m.
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 January 2026.
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 (23%) 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
United Airlines	PriceFrom $222	Free Cancellation	Rating 7.4 9,163 reviews	Search United Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,048 reviews	Search Delta flights
American Airlines	PriceFrom $233	Free Cancellation	Rating 7.2 11,129 reviews	Search American Airlines flights

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Wentzville

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Why 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.