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

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

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.

$188 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 typical for flights on this route. Typical prices usually range from $238 to $352. The lowest price recently found on this route was $259.

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Find the cheapest flights from Dayton to St. Louis

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:13 am - 3:04 pm

DAY

STL

4h 51m

1 stop

5:12 am - 11:39 am

STL

DAY

5h 27m

1 stop

$259American Airlines

mié., feb. 11 - dom., feb. 15

7:44 am - 2:50 pm

DAY

STL

8h 06m

2 stops

6:00 am - 12:11 pm

STL

DAY

5h 11m

1 stop

$264American Airlines

mié., feb. 11 - dom., feb. 15

6:05 pm - 9:11 pm

DAY

STL

4h 06m

1 stop

5:29 pm - 11:44 pm

STL

DAY

5h 15m

1 stop

$293United Airlines

sáb., may. 30 - lun., jun. 1

7:44 am - 2:50 pm

DAY

STL

8h 06m

2 stops

6:00 am - 12:11 pm

STL

DAY

5h 11m

1 stop

$294American Airlines

mié., feb. 11 - dom., feb. 15

5:47 am - 12:44 pm

DAY

STL

7h 57m

1 stop

6:00 am - 12:11 pm

STL

DAY

5h 11m

1 stop

$299American Airlines

jue., mar. 19 - lun., mar. 23

6:05 pm - 9:11 pm

DAY

STL

4h 06m

1 stop

6:00 am - 1:44 pm

STL

DAY

6h 44m

1 stop

$312United Airlines

vie., jun. 5 - dom., jun. 7

7:00 am - 12:21 pm

DAY

STL

6h 21m

1 stop

6:55 pm - 11:43 pm

STL

DAY

3h 48m

1 stop

$319United Airlines

jue., feb. 12 - lun., feb. 16

9:05 am - 2:30 pm

DAY

STL

6h 25m

1 stop

6:55 pm - 11:43 pm

STL

DAY

3h 48m

1 stop

$339United Airlines

mié., feb. 11 - dom., feb. 15

5:47 am - 12:33 pm

DAY

STL

7h 46m

1 stop

6:00 am - 12:11 pm

STL

DAY

5h 11m

1 stop

$348American Airlines

vie., mar. 6 - dom., mar. 8

5:49 pm - 10:59 pm

DAY

STL

6h 10m

1 stop

6:55 pm - 11:43 pm

STL

DAY

3h 48m

1 stop

$393United Airlines

vie., feb. 13 - lun., feb. 16

American Airlines flights from Dayton to St. Louis

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

American Airlines

Feb 11

DAY11:13 amDayton

4h 51m

1 stop

STL3:04 pmLambert-St Louis

Feb 15

STL5:12 amLambert-St Louis

5h 27m

1 stop

DAY11:39 amDayton

$259

American Airlines

Feb 11

DAY7:44 amDayton

8h 06m

2 stops

STL2:50 pmLambert-St Louis

Feb 15

STL6:00 amLambert-St Louis

5h 11m

1 stop

DAY12:11 pmDayton

$264

American Airlines

Feb 11

DAY7:44 amDayton

8h 06m

2 stops

STL2:50 pmLambert-St Louis

Feb 15

STL6:00 amLambert-St Louis

5h 11m

1 stop

DAY12:11 pmDayton

$294

United Airlines flights from Dayton to St. Louis

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

United Airlines

May 30

DAY6:05 pmDayton

4h 06m

1 stop

STL9:11 pmLambert-St Louis

Jun 1

STL5:29 pmLambert-St Louis

5h 15m

1 stop

DAY11:44 pmDayton

$293

United Airlines

Jun 5

DAY6:05 pmDayton

4h 06m

1 stop

STL9:11 pmLambert-St Louis

Jun 7

STL6:00 amLambert-St Louis

6h 44m

1 stop

DAY1:44 pmDayton

$312

United Airlines

Feb 12

DAY7:00 amDayton

6h 21m

1 stop

STL12:21 pmLambert-St Louis

Feb 16

STL6:55 pmLambert-St Louis

3h 48m

1 stop

DAY11:43 pmDayton

$319

Fly from

Fly to

Route

Depart

Return

Price

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mié. 2/11

11:13 am-3:04 pm

1 stop4h 51m

Lambert-St Louis

dom. 2/15

5:12 am-11:39 am

1 stop5h 27m

$259

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mié. 2/11

7:44 am-2:50 pm

2 stops8h 06m

Lambert-St Louis

dom. 2/15

6:00 am-12:11 pm

1 stop5h 11m

$264

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

sáb. 5/30

6:05 pm-9:11 pm

1 stop4h 06m

Lambert-St Louis

lun. 6/1

5:29 pm-11:44 pm

1 stop5h 15m

$293

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mié. 2/11

7:44 am-2:50 pm

2 stops8h 06m

Lambert-St Louis

dom. 2/15

6:00 am-12:11 pm

1 stop5h 11m

$294

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

jue. 3/19

5:47 am-12:44 pm

1 stop7h 57m

Lambert-St Louis

lun. 3/23

6:00 am-12:11 pm

1 stop5h 11m

$299

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

vie. 6/5

6:05 pm-9:11 pm

1 stop4h 06m

Lambert-St Louis

dom. 6/7

6:00 am-1:44 pm

1 stop6h 44m

$312

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

jue. 2/12

7:00 am-12:21 pm

1 stop6h 21m

Lambert-St Louis

lun. 2/16

6:55 pm-11:43 pm

1 stop3h 48m

$319

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mié. 2/11

9:05 am-2:30 pm

1 stop6h 25m

Lambert-St Louis

dom. 2/15

6:55 pm-11:43 pm

1 stop3h 48m

$339

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

vie. 3/6

5:47 am-12:33 pm

1 stop7h 46m

Lambert-St Louis

dom. 3/8

6:00 am-12:11 pm

1 stop5h 11m

$348

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

vie. 2/13

5:49 pm-10:59 pm

1 stop6h 10m

Lambert-St Louis

lun. 2/16

6:55 pm-11:43 pm

1 stop3h 48m

$393

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 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 06m
Direct flights	None

The fastest flight from Dayton to St. Louis takes 4h 06m

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 06m.
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
United Airlines	PriceFrom $222	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Delta	PriceFrom $228	Free Cancellation	Rating 7.9 8,128 reviews	Search Delta flights
American Airlines	PriceFrom $233	Free Cancellation	Rating 7.2 11,205 reviews	Search American Airlines flights

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Wentzville

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Edwardsville

Eureka

Festus

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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.