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 52% 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?

American Airlines is the most popular carrier 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.

$193 Cheap Flights from Dayton to St. Louis in 2026

Q: What is the typical price of a round-trip flight between Dayton and St. Louis?

Prices are currently low for flights on this route. Typical prices usually range from $288 to $298. The lowest price recently found on this route was $249.

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Find the cheapest flights from Dayton to St. Louis

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:24 am - 2:30 pm

DAY

STL

5h 06m1 stop

6:40 pm - 11:44 pm

STL

DAY

4h 04m1 stop

$249United Airlines

Wed, Jan 28 - Wed, Feb 4

7:44 am - 2:50 pm

DAY

STL

8h 06m2 stops

7:15 am - 2:55 pm

STL

DAY

6h 40m1 stop

$254American Airlines

Wed, Jan 28 - Wed, Feb 4

6:47 pm - 11:39 pm

DAY

STL

5h 52m1 stop

6:00 am - 1:48 pm

STL

DAY

6h 48m1 stop

$259Delta

Thu, Jan 15 - Mon, Jan 19

7:00 am - 11:02 am

DAY

STL

5h 02m1 stop

9:57 am - 5:03 pm

STL

DAY

6h 06m1 stop

$299United Airlines

Sat, Jan 17 - Wed, Jan 21

5:37 pm - 9:12 pm

DAY

STL

4h 35m1 stop

6:00 am - 12:11 pm

STL

DAY

5h 11m1 stop

$308American Airlines

Wed, Feb 18 - Fri, Feb 20

10:24 am - 2:30 pm

DAY

STL

5h 06m1 stop

6:40 pm - 11:44 pm

STL

DAY

4h 04m1 stop

$319United Airlines

Thu, Jan 15 - Mon, Jan 19

8:32 am - 1:43 pm

DAY

STL

6h 11m1 stop

2:19 pm - 9:00 pm

STL

DAY

5h 41m1 stop

$381American Airlines

Mon, Feb 23 - Thu, Feb 26

1:54 pm - 9:11 pm

DAY

STL

8h 17m2 stops

2:00 pm - 9:24 pm

STL

DAY

6h 24m1 stop

$388American Airlines

Sat, Mar 14 - Mon, Mar 16

5:49 pm - 10:59 pm

DAY

STL

6h 10m1 stop

6:00 pm - 2:22 pm

STL

DAY

19h 22m2 stops

$432United Airlines

Wed, Feb 18 - Fri, Feb 20

6:47 pm - 11:39 pm

DAY

STL

5h 52m1 stop

3:45 pm - 11:16 pm

STL

DAY

6h 31m1 stop

$558Delta

Mon, Jan 12 - Thu, Jan 15

Delta flights from Dayton to St. Louis

Our best Delta deals on Dayton to St. Louis flight tickets

Delta

Jan 28

DAY6:47 pmDayton

5h 50m

1 stop

STL11:37 pmLambert-St Louis

Feb 4

STL7:10 amLambert-St Louis

5h 38m

1 stop

DAY1:48 pmDayton

$249

Find similar

Delta

Jan 15

DAY6:47 pmDayton

5h 52m

1 stop

STL11:39 pmLambert-St Louis

Jan 19

STL6:00 amLambert-St Louis

6h 48m

1 stop

DAY1:48 pmDayton

$259

Find similar

Delta

Jan 12

DAY6:47 pmDayton

5h 52m

1 stop

STL11:39 pmLambert-St Louis

Jan 15

STL3:45 pmLambert-St Louis

6h 31m

1 stop

DAY11:16 pmDayton

$558

Find similar

American Airlines flights from Dayton to St. Louis

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

American Airlines

Jan 28

DAY7:44 amDayton

8h 06m

2 stops

STL2:50 pmLambert-St Louis

Feb 4

STL7:15 amLambert-St Louis

6h 40m

1 stop

DAY2:55 pmDayton

$254

Find similar

American Airlines

Jan 8

DAY10:16 amDayton

3h 47m

1 stop

STL1:03 pmLambert-St Louis

Jan 11

STL3:37 pmLambert-St Louis

5h 55m

1 stop

DAY10:32 pmDayton

$299

Find similar

American Airlines

Feb 18

DAY5:37 pmDayton

4h 35m

1 stop

STL9:12 pmLambert-St Louis

Feb 20

STL6:00 amLambert-St Louis

5h 11m

1 stop

DAY12:11 pmDayton

$308

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 1/28

10:24 am-2:30 pm

1 stop5h 06m

Lambert-St Louis

Wed 2/4

6:40 pm-11:44 pm

1 stop4h 04m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 1/28

7:44 am-2:50 pm

2 stops8h 06m

Lambert-St Louis

Wed 2/4

7:15 am-2:55 pm

1 stop6h 40m

$254

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Thu 1/15

6:47 pm-11:39 pm

1 stop5h 52m

Lambert-St Louis

Mon 1/19

6:00 am-1:48 pm

1 stop6h 48m

$259

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sat 1/17

7:00 am-11:02 am

1 stop5h 02m

Lambert-St Louis

Wed 1/21

9:57 am-5:03 pm

1 stop6h 06m

$299

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/18

5:37 pm-9:12 pm

1 stop4h 35m

Lambert-St Louis

Fri 2/20

6:00 am-12:11 pm

1 stop5h 11m

$308

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Thu 1/15

10:24 am-2:30 pm

1 stop5h 06m

Lambert-St Louis

Mon 1/19

6:40 pm-11:44 pm

1 stop4h 04m

$319

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Mon 2/23

8:32 am-1:43 pm

1 stop6h 11m

Lambert-St Louis

Thu 2/26

2:19 pm-9:00 pm

1 stop5h 41m

$381

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sat 3/14

1:54 pm-9:11 pm

2 stops8h 17m

Lambert-St Louis

Mon 3/16

2:00 pm-9:24 pm

1 stop6h 24m

$388

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/18

5:49 pm-10:59 pm

1 stop6h 10m

Lambert-St Louis

Fri 2/20

6:00 pm-2:22 pm

2 stops19h 22m

$432

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Mon 1/12

6:47 pm-11:39 pm

1 stop5h 52m

Lambert-St Louis

Thu 1/15

3:45 pm-11:16 pm

1 stop6h 31m

$558

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 typical price of a round-trip flight between Dayton and St. Louis?

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 53m
Direct flights	None

The fastest flight from Dayton to St. Louis takes 4h 53m

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 53m.
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 9,129 reviews	Search United Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.2 11,069 reviews	Search American Airlines flights

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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.