How long is the flight from Dayton to St. Louis?

For as low as $249, Delta can have you in St. Louis from Dayton in 7h. Dayton and St. Louis are separated by a distance of 338 mi.

What are the cheapest airlines flying from Dayton to St. Louis round-trip?

According to our current data, United Airlines ($222), American Airlines ($228), and Delta ($228) offers the cheapest pricing from Dayton to St. Louis. These flights start at 36% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular airlines that fly from Dayton to St. Louis?

When booking a flight from Dayton to St. Louis, you may want to consider flying on American Airlines, United Airlines or Delta as they are the most popular for this route.

What is the cheapest time of day to fly from DAY to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dayton to St. Louis as you normally would.

Most accurate provider : When it comes to deals on Dayton-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dayton-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dayton-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Dayton-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dayton-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Dayton to St. Louis that include hotel bookings?

Yes. In addition to deals on Dayton to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dayton to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to St. Louis.

Can I find deals for business class flights from Dayton to St. Louis?

Yes. Cheapflights offers flight deals from Dayton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$179+ Flights from Dayton to St. Louis

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Cheap flight deals from Dayton to St. Louis

Cheapest flights from Dayton to St. Louis
Explore the most affordable flight options available from Dayton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.

lun. 12/291:11 pmDAY - STL

1 stop4h 12mAmerican Airlines

vie. 1/24:53 pmSTL - DAY

1 stop5h 57mAmerican Airlines

Deal found 12/26

$309

lun. 12/295:21 pmDAY - STL

1 stop5h 22mUnited Airlines

vie. 1/26:30 amSTL - DAY

2 stops11h 35mUnited Airlines

Deal found 12/26

$899

Best flights from Dayton to St. Louis
Discover carefully curated flight deals from Dayton to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 28, 2025.

vie. 1/302:37 pmDAY - STL

1 stop7h 00mDelta

mar. 2/36:00 amSTL - DAY

1 stop6h 48mDelta

Deal found 12/26

$249

vie. 1/306:47 pmDAY - STL

1 stop5h 50mDelta

sáb. 1/316:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

sáb. 1/314:00 pmDAY - STL

1 stop4h 27mDelta

dom. 2/16:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

mié. 1/286:00 amDAY - STL

1 stop6h 54mDelta

mié. 2/46:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

mar. 1/276:47 pmDAY - STL

1 stop5h 50mDelta

sáb. 1/316:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

mar. 1/276:47 pmDAY - STL

1 stop5h 50mDelta

mar. 2/36:00 amSTL - DAY

1 stop6h 48mDelta

Deal found 12/26

$249

sáb. 1/314:00 pmDAY - STL

1 stop4h 27mDelta

mié. 2/46:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

sáb. 1/314:00 pmDAY - STL

1 stop4h 27mDelta

mar. 2/36:00 amSTL - DAY

1 stop6h 48mDelta

Deal found 12/26

$249

mié. 1/286:47 pmDAY - STL

1 stop5h 50mDelta

mar. 2/37:10 amSTL - DAY

1 stop5h 38mDelta

Deal found 12/26

$249

mié. 1/286:00 amDAY - STL

1 stop6h 54mDelta

dom. 2/16:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

vie. 1/302:37 pmDAY - STL

1 stop7h 00mDelta

dom. 2/16:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

vie. 1/302:37 pmDAY - STL

1 stop7h 00mDelta

lun. 2/26:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$274

Last-minute flights from Dayton to St. Louis
Discover last-minute flight deals from Dayton to St. Louis. Data last updated diciembre 28, 2025 and is based on user searches.

lun. 12/291:11 pmDAY - STL

1 stop4h 12mAmerican Airlines

vie. 1/24:53 pmSTL - DAY

1 stop5h 57mAmerican Airlines

Deal found 12/26

$309

sáb. 1/179:05 amDAY - STL

1 stop6h 23mUnited Airlines

mié. 1/216:40 pmSTL - DAY

1 stop4h 04mUnited Airlines

Deal found 12/26

$299

mar. 1/276:47 pmDAY - STL

1 stop5h 50mDelta

sáb. 1/316:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$249

mar. 1/272:37 pmDAY - STL

1 stop7h 00mDelta

jue. 1/297:10 amSTL - DAY

1 stop5h 38mDelta

Deal found 12/26

$369

mar. 1/272:37 pmDAY - STL

2 stops22h 56mDelta

mar. 2/36:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$371

mar. 1/276:00 amDAY - STL

1 stop6h 54mDelta

vie. 1/306:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$372

jue. 1/296:47 pmDAY - STL

1 stop5h 50mDelta

mar. 2/39:59 amSTL - DAY

1 stop6h 59mDelta

Deal found 12/26

$274

jue. 1/2911:37 amDAY - STL

1 stop7h 13mDelta

vie. 1/306:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$384

vie. 1/302:37 pmDAY - STL

2 stops22h 59mDelta

dom. 2/16:00 amSTL - DAY

1 stop3h 50mDelta

Deal found 12/26

$397

sáb. 1/319:05 amDAY - STL

1 stop4h 24mUnited Airlines

sáb. 1/314:49 pmSTL - DAY

1 stop23h 15mUnited Airlines

Deal found 12/26

$399

One-way flights from Dayton to St. Louis
Search for one-way flight options from Dayton to St. Louis. Find affordable one-way fares based on user searches. Data last updated diciembre 28, 2025.

sáb. 1/244:00 pmDAY - STL

1 stop4h 27mDelta

Deal found 12/27

$179

lun. 2/94:21 pmDAY - STL

1 stop5h 54mAmerican Airlines

Deal found 12/25

$190

lun. 3/26:00 amDAY - STL

1 stop7h 29mAmerican Airlines

Deal found 12/26

$191

jue. 3/511:42 amDAY - STL

1 stop7h 00mDelta

Deal found 12/26

$194

sáb. 1/2411:13 amDAY - STL

2 stops8h 00mAmerican Airlines

Deal found 12/27

$196

sáb. 2/286:00 amDAY - STL

2 stops8h 56mAmerican Airlines

Deal found 12/26

$214

dom. 3/111:46 amDAY - STL

3 stops31h 50mMultiple Airlines

Deal found 12/26

$223

vie. 2/278:33 amDAY - STL

1 stop6h 21mAmerican Airlines

Deal found 12/26

$224

jue. 3/511:38 amDAY - STL

3 stops31h 58mMultiple Airlines

Deal found 12/26

$235

mié. 1/79:05 amDAY - STL

1 stop4h 24mUnited Airlines

Deal found 12/27

$309

Find flight deals from Dayton to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$249 (Delta)
One-way from	$179 (Delta)
Popular in	April
Cheapest in	July
Average price	$297

Provider with most accurate pricing for Dayton-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dayton-Lambert-St Louis flights.

Search Deals

From Dayton to Lambert-St Louis

Search Deals

One-way flight from Dayton to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 29% potential increase in price ($150 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease ($34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

vie. 1/30

2:37 pm-8:37 pm

1 stop7h 00m

Lambert-St Louis

mar. 2/3

6:00 am-1:48 pm

1 stop6h 48m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

vie. 1/30

6:47 pm-11:37 pm

1 stop5h 50m

Lambert-St Louis

sáb. 1/31

6:00 am-10:50 am

1 stop3h 50m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

sáb. 1/31

4:00 pm-7:27 pm

1 stop4h 27m

Lambert-St Louis

dom. 2/1

6:00 am-10:50 am

1 stop3h 50m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mié. 1/28

6:00 am-11:54 am

1 stop6h 54m

Lambert-St Louis

mié. 2/4

6:00 am-10:50 am

1 stop3h 50m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mar. 1/27

6:47 pm-11:37 pm

1 stop5h 50m

Lambert-St Louis

sáb. 1/31

6:00 am-10:50 am

1 stop3h 50m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mar. 1/27

6:47 pm-11:37 pm

1 stop5h 50m

Lambert-St Louis

mar. 2/3

6:00 am-1:48 pm

1 stop6h 48m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

sáb. 1/31

4:00 pm-7:27 pm

1 stop4h 27m

Lambert-St Louis

mié. 2/4

6:00 am-10:50 am

1 stop3h 50m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

sáb. 1/31

4:00 pm-7:27 pm

1 stop4h 27m

Lambert-St Louis

mar. 2/3

6:00 am-1:48 pm

1 stop6h 48m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mié. 1/28

6:47 pm-11:37 pm

1 stop5h 50m

Lambert-St Louis

mar. 2/3

7:10 am-1:48 pm

1 stop5h 38m

$249

DaytonSt. Louis

DAY - STL

DAYSTL

Dayton

mié. 1/28

6:00 am-11:54 am

1 stop6h 54m

Lambert-St Louis

dom. 2/1

6:00 am-10:50 am

1 stop3h 50m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 24 results

Compare providers for flights from Dayton to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dayton to St. Louis in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Dayton-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dayton-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dayton-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Dayton-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dayton-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dayton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Dayton with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dayton to St. Louis

What is the cheapest month to book a flight from Dayton to St. Louis?

Currently, October is the cheapest month in which you can book a flight from Dayton to St. Louis (average of $85). Flying from Dayton to St. Louis in November is currently the most expensive (average of $249). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Dayton to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,019 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,113 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,072 reviews

Delta

7.9

Good

8,019 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Dayton to St. Louis?
For as low as $249, Delta can have you in St. Louis from Dayton in 7h. Dayton and St. Louis are separated by a distance of 338 mi.
What are the cheapest airlines flying from Dayton to St. Louis round-trip?
According to our current data, United Airlines ($222), American Airlines ($228), and Delta ($228) offers the cheapest pricing from Dayton to St. Louis. These flights start at 36% lower than the current average price 3 months from now.
Can I find deals for flights from Dayton to St. Louis that include hotel bookings?
Yes. In addition to deals on Dayton to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dayton to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to St. Louis.
Can I find deals for business class flights from Dayton to St. Louis?
Yes. Cheapflights offers flight deals from Dayton to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Dayton to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Dayton to St. Louis (average of $85). Flying from Dayton to St. Louis in November is currently the most expensive (average of $249). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Edwardsville

O'Fallon

Swansea

Fairview Heights

Maryland Heights

Collinsville

Eureka

Glencoe

Chesterfield

Alton

Farmington

Festus

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Top 3 airlines flying from Dayton to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$222	Average$338	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$228	Average$323	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$228	Average$327	FlexibilityNo cancel fee	On-time71%

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$179+ Cheap flights from Dayton to St. Louis (DAY - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dayton to St. Louis with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Dayton to St. Louis

Cheapest flights from Dayton to St. LouisExplore the most affordable flight options available from Dayton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.

Explore the most affordable flight options available from Dayton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.

Find flight deals from Dayton to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Dayton to St. Louis that are best for you.

Compare providers for flights from Dayton to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dayton to St. Louis in December.

Best time to book a flight from Dayton to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Dayton with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dayton to St. Louis

What is the cheapest month to book a flight from Dayton to St. Louis?

Reviews of airlines servicing St. Louis

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Dayton to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dayton to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Dayton to St. Louis?

What are the cheapest airlines flying from Dayton to St. Louis round-trip?

Can I find deals for flights from Dayton to St. Louis that include hotel bookings?

How can I find direct flights from Dayton to St. Louis?

Can I find deals for business class flights from Dayton to St. Louis?

What is the cheapest month to book a flight from Dayton to St. Louis?

Traveling to a place near St. Louis?

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Alternative routes for Dayton to St. Louis

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Top 3 airlines flying from Dayton to St. Louis

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Cheapest flights from Dayton to St. Louis
Explore the most affordable flight options available from Dayton to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 28, 2025.