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.

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.

$259 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 $267 to $338. The lowest price recently found on this route was $259.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Dayton to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:41 am

DAY

STL

6h 41m

1 stop

3:54 pm - 9:08 pm

STL

DAY

4h 14m

1 stop

$259American Airlines

Wed, Feb 4 - Sun, Feb 8

7:44 am - 2:50 pm

DAY

STL

8h 06m

2 stops

6:00 am - 12:20 pm

STL

DAY

5h 20m

1 stop

$264American Airlines

Wed, Feb 4 - Sun, Feb 8

6:44 pm - 11:36 pm

DAY

STL

5h 52m

1 stop

6:00 am - 1:49 pm

STL

DAY

6h 49m

1 stop

$318Delta

Thu, Mar 5 - Thu, Mar 12

9:20 am - 12:29 pm

DAY

STL

4h 09m

1 stop

8:05 am - 1:23 pm

STL

DAY

4h 18m

1 stop

$319United Airlines

Wed, Feb 4 - Sun, Feb 8

9:14 am - 2:43 pm

DAY

STL

6h 29m

1 stop

7:41 am - 1:19 pm

STL

DAY

4h 38m

1 stop

$345United Airlines

Sat, Mar 7 - Sun, Mar 8

9:00 am - 2:18 pm

DAY

STL

6h 18m

1 stop

6:40 am - 12:44 pm

STL

DAY

5h 04m

1 stop

$362United Airlines

Thu, Jun 11 - Sun, Jun 14

5:47 am - 1:50 pm

DAY

STL

9h 03m

2 stops

6:00 am - 12:11 pm

STL

DAY

5h 11m

1 stop

$442American Airlines

Sat, Mar 7 - Sun, Mar 8

11:39 am - 4:26 pm

DAY

STL

5h 47m

1 stop

8:00 am - 12:44 pm

STL

DAY

3h 44m

1 stop

$488United Airlines

Fri, Jul 3 - Sun, Jul 5

8:34 am - 9:07 pm

DAY

STL

13h 33m

2 stops

7:41 am - 1:19 pm

STL

DAY

4h 38m

1 stop

$577United Airlines

Thu, Mar 5 - Thu, Mar 12

11:13 am - 6:14 pm

DAY

STL

8h 01m

2 stops

3:54 pm - 9:08 pm

STL

DAY

4h 14m

1 stop

$604American Airlines

Fri, Feb 6 - Sun, Feb 8

Delta flights from Dayton to St. Louis

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

Delta

Feb 3

DAY6:47 pmDayton

5h 50m

1 stop

STL11:37 pmLambert-St Louis

Feb 7

STL7:10 amLambert-St Louis

6h 57m

1 stop

DAY3:07 pmDayton

$259

Delta

Jun 11

DAY6:00 amDayton

5h 45m

1 stop

STL10:45 amLambert-St Louis

Jun 14

STL6:00 amLambert-St Louis

6h 59m

1 stop

DAY1:59 pmDayton

$687

American Airlines flights from Dayton to St. Louis

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

American Airlines

Feb 4

DAY6:00 amDayton

6h 41m

1 stop

STL11:41 amLambert-St Louis

Feb 8

STL3:54 pmLambert-St Louis

4h 14m

1 stop

DAY9:08 pmDayton

$259

American Airlines

Feb 3

DAY1:33 pmDayton

5h 43m

1 stop

STL6:16 pmLambert-St Louis

Feb 7

STL11:05 amLambert-St Louis

9h 03m

2 stops

DAY9:08 pmDayton

$264

American Airlines

Feb 3

DAY7:44 amDayton

8h 06m

2 stops

STL2:50 pmLambert-St Louis

Feb 7

STL11:05 amLambert-St Louis

9h 03m

2 stops

DAY9:08 pmDayton

$300

Fly from

Fly to

Route

Depart

Return

Price

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/4

6:00 am-11:41 am

1 stop6h 41m

Lambert-St Louis

Sun 2/8

3:54 pm-9:08 pm

1 stop4h 14m

$259

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/4

7:44 am-2:50 pm

2 stops8h 06m

Lambert-St Louis

Sun 2/8

6:00 am-12:20 pm

1 stop5h 20m

$264

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Thu 3/5

6:44 pm-11:36 pm

1 stop5h 52m

Lambert-St Louis

Thu 3/12

6:00 am-1:49 pm

1 stop6h 49m

$318

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/4

9:20 am-12:29 pm

1 stop4h 09m

Lambert-St Louis

Sun 2/8

8:05 am-1:23 pm

1 stop4h 18m

$319

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sat 3/7

9:14 am-2:43 pm

1 stop6h 29m

Lambert-St Louis

Sun 3/8

7:41 am-1:19 pm

1 stop4h 38m

$345

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Thu 6/11

9:00 am-2:18 pm

1 stop6h 18m

Lambert-St Louis

Sun 6/14

6:40 am-12:44 pm

1 stop5h 04m

$362

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sat 3/7

5:47 am-1:50 pm

2 stops9h 03m

Lambert-St Louis

Sun 3/8

6:00 am-12:11 pm

1 stop5h 11m

$442

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 7/3

11:39 am-4:26 pm

1 stop5h 47m

Lambert-St Louis

Sun 7/5

8:00 am-12:44 pm

1 stop3h 44m

$488

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Thu 3/5

8:34 am-9:07 pm

2 stops13h 33m

Lambert-St Louis

Thu 3/12

7:41 am-1:19 pm

1 stop4h 38m

$577

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 2/6

11:13 am-6:14 pm

2 stops8h 01m

Lambert-St Louis

Sun 2/8

3:54 pm-9:08 pm

1 stop4h 14m

$604

Flights are sorted by cheapest round-trip flights first.

Sorted 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 09m
Direct flights	None

The fastest flight from Dayton to St. Louis takes 4h 09m

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 09m.
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 (61% of total bookings). The next most popular airlines are United Airlines (25%) 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
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
United Airlines	PriceFrom $228	Free Cancellation	Rating 7.4 9,191 reviews	Search United Airlines flights
American Airlines	PriceFrom $233	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

O'Fallon

Fenton

Collinsville

St. Peters

Wentzville

Alton

Farmington

Clayton

Eureka

Edwardsville

Festus

Glencoe

Litchfield

Shrewsbury

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.