What airlines fly to St. Louis?

Southwest, American Airlines and Delta 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 49% 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?

Delta, United Airlines, 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 August 2025.

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.

$119 Cheap Flights from Dayton to St. Louis in 2025

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Find the cheapest flights from Dayton to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

6:40 pm - 11:40 pmDAY-STL

6h 00m1 stop

6:00 am - 2:00 pmSTL-DAY

7h 00m1 stop

$229Delta

Find Deal

Wed, Feb 18 - Sat, Feb 21

6:00 am - 9:15 amDAY-STL

4h 15m1 stop

3:42 pm - 11:23 pmSTL-DAY

6h 41m1 stop

$237Delta

Find Deal

Thu, Sep 4 - Thu, Sep 4

12:44 pm - 4:09 pmDAY-STL

4h 25m1 stop

4:48 pm - 11:55 pmSTL-DAY

6h 07m1 stop

$244American Airlines

Find Deal

Fri, Oct 31 - Sun, Nov 2

11:42 am - 2:19 pmDAY-STL

3h 37m1 stop

8:15 am - 2:14 pmSTL-DAY

4h 59m1 stop

$279United Airlines

Find Deal

Sat, Sep 6 - Tue, Sep 9

9:40 am - 4:09 pmDAY-STL

7h 29m2 stops

5:00 am - 11:09 amSTL-DAY

5h 09m1 stop

$343American Airlines

Find Deal

Fri, Oct 31 - Sun, Nov 2

7:00 am - 12:23 pmDAY-STL

6h 23m1 stop

6:05 am - 11:28 amSTL-DAY

4h 23m1 stop

$377American Airlines

Find Deal

Sun, Sep 14 - Thu, Sep 18

7:43 pm - 11:47 amDAY-STL

17h 04m2 stops

5:28 pm - 11:44 pmSTL-DAY

5h 16m1 stop

$435United Airlines

Find Deal

Fri, Sep 26 - Mon, Sep 29

7:20 am - 12:25 pmDAY-STL

6h 05m1 stop

7:04 pm - 11:44 pmSTL-DAY

3h 40m1 stop

$473United Airlines

Find Deal

Mon, Sep 8 - Fri, Sep 12

9:00 am - 2:27 pmDAY-STL

6h 27m1 stop

3:23 pm - 2:12 pmSTL-DAY

21h 49m3 stops

$497United Airlines

Find Deal

Fri, Sep 26 - Mon, Sep 29

10:25 am - 11:44 pmDAY-STL

14h 19m2 stops

8:15 am - 2:14 pmSTL-DAY

4h 59m1 stop

$733United Airlines

Find Deal

Sun, Sep 14 - Thu, Sep 18

Delta flights from Dayton to St. Louis

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

Delta

Feb 18

DAY6:40 pmDayton

6h 00m

1 stop

STL11:40 pmLambert-St Louis

Feb 21

STL6:00 amLambert-St Louis

7h 00m

1 stop

DAY2:00 pmDayton

$229

Find similar

Delta

Sep 4

DAY6:00 amDayton

4h 15m

1 stop

STL9:15 amLambert-St Louis

Sep 4

STL3:42 pmLambert-St Louis

6h 41m

1 stop

DAY11:23 pmDayton

$237

Find similar

Delta

Aug 30

DAY4:30 pmDayton

6h 32m

1 stop

STL10:02 pmLambert-St Louis

Sep 4

STL3:42 pmLambert-St Louis

6h 41m

1 stop

DAY11:23 pmDayton

$263

Find similar

American Airlines flights from Dayton to St. Louis

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

American Airlines

Oct 31

DAY12:44 pmDayton

4h 25m

1 stop

STL4:09 pmLambert-St Louis

Nov 2

STL4:48 pmLambert-St Louis

6h 07m

1 stop

DAY11:55 pmDayton

$244

Find similar

American Airlines

Aug 29

DAY5:20 pmDayton

3h 58m

1 stop

STL8:18 pmLambert-St Louis

Aug 31

STL1:15 pmLambert-St Louis

7h 32m

1 stop

DAY9:47 pmDayton

$286

Find similar

American Airlines

Oct 31

DAY9:40 amDayton

7h 29m

2 stops

STL4:09 pmLambert-St Louis

Nov 2

STL5:00 amLambert-St Louis

5h 09m

1 stop

DAY11:09 amDayton

$343

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Wed 2/18

6:40 pm-11:40 pm

1 stop6h 00m

Lambert-St Louis

Sat 2/21

6:00 am-2:00 pm

1 stop7h 00m

$229

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Thu 9/4

6:00 am-9:15 am

1 stop4h 15m

Lambert-St Louis

Thu 9/4

3:42 pm-11:23 pm

1 stop6h 41m

$237

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 10/31

12:44 pm-4:09 pm

1 stop4h 25m

Lambert-St Louis

Sun 11/2

4:48 pm-11:55 pm

1 stop6h 07m

$244

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sat 9/6

11:42 am-2:19 pm

1 stop3h 37m

Lambert-St Louis

Tue 9/9

8:15 am-2:14 pm

1 stop4h 59m

$279

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 10/31

9:40 am-4:09 pm

2 stops7h 29m

Lambert-St Louis

Sun 11/2

5:00 am-11:09 am

1 stop5h 09m

$343

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sun 9/14

7:00 am-12:23 pm

1 stop6h 23m

Lambert-St Louis

Thu 9/18

6:05 am-11:28 am

1 stop4h 23m

$377

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 9/26

7:43 pm-11:47 am

2 stops17h 04m

Lambert-St Louis

Mon 9/29

5:28 pm-11:44 pm

1 stop5h 16m

$435

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Mon 9/8

7:20 am-12:25 pm

1 stop6h 05m

Lambert-St Louis

Fri 9/12

7:04 pm-11:44 pm

1 stop3h 40m

$473

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Fri 9/26

9:00 am-2:27 pm

1 stop6h 27m

Lambert-St Louis

Mon 9/29

3:23 pm-2:12 pm

3 stops21h 49m

$497

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

Sun 9/14

10:25 am-11:44 pm

2 stops14h 19m

Lambert-St Louis

Thu 9/18

8:15 am-2:14 pm

1 stop4h 59m

$733

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 January is another great option to travel to St. Louis, with average flight prices from Dayton averaging around $288.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $260. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $474. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Dayton in the morning is the least expensive time of day to depart. momondo users have found prices as low as $322 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $543 per ticket.

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

Direct flights	None

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 3h 37m.
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 August 2025.
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 (69% of total bookings). The next most popular airlines are United Airlines (16%) and Delta (15%).

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 8,940 reviews	Search United Airlines flights
American Airlines	PriceFrom $228	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 7,980 reviews	Search Delta 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.