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$194+ Cheap flights from St. Louis to Dayton (STL - DAY)

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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DAY
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap flight deals from St. Louis to Dayton

Cheapest flights from St. Louis to Dayton
Explore the most affordable flight options available from St. Louis to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.

This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
STL
-
DAY
1 stop7h 04m
Delta
Sat 5/26:00 am
DAY
-
STL
1 stop6h 56m
Delta
Deal found 3/9$269
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
STL
-
DAY
1 stop5h 11m
American Airlines
Sat 4/41:54 pm
DAY
-
STL
1 stop5h 13m
American Airlines
Deal found 3/12$289
This American Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/41:30 pm
STL
-
DAY
1 stop6h 54m
American Airlines
Tue 4/76:36 pm
DAY
-
STL
1 stop4h 43m
American Airlines
Deal found 3/8$294
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:22 am
STL
-
DAY
1 stop5h 20m
United Airlines
Fri 6/55:55 am
DAY
-
STL
1 stop3h 46m
United Airlines
Deal found 3/13$309
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/410:33 am
STL
-
DAY
1 stop5h 32m
American Airlines
Sat 4/1812:45 pm
DAY
-
STL
1 stop7h 45m
American Airlines
Deal found 3/9$318
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:41 pm
STL
-
DAY
1 stop5h 13m
United Airlines
Sun 6/287:15 am
DAY
-
STL
1 stop5h 56m
United Airlines
Deal found 3/10$328
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/203:24 pm
STL
-
DAY
1 stop3h 46m
United Airlines
Sat 3/2110:50 am
DAY
-
STL
1 stop4h 53m
United Airlines
Deal found 3/12$339
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:21 am
STL
-
DAY
1 stop4h 05m
United Airlines
Sat 5/26:03 pm
DAY
-
STL
1 stop5h 42m
United Airlines
Deal found 3/9$349
This United Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:25 am
STL
-
DAY
1 stop5h 54m
United Airlines
Sun 3/297:30 pm
DAY
-
STL
1 stop4h 26m
United Airlines
Deal found 3/10$359
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:41 pm
STL
-
DAY
1 stop5h 13m
United Airlines
Sun 6/79:09 pm
DAY
-
STL
1 stop4h 10m
United Airlines
Deal found 3/9$367

Find flight deals from St. Louis to Dayton

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Dayton (DAY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(Delta)

One-way from

$194
(Delta)

Popular in

January

Cheapest in

August

Average price

$598
Provider with most accurate pricing for Lambert-St Louis-Dayton flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Dayton flights.
Search Deals
From Lambert-St Louis to Dayton
Search Deals
One-way flight from Lambert-St Louis to Dayton
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Dayton that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2026.
Use the filters below to find and compare flights from St. Louis to Dayton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 4/29

6:00 am-2:04 pm

1 stop7h 04m

Dayton

Sat 5/2

6:00 am-11:56 am

1 stop6h 56m

$269

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 4/18

11:15 am-6:12 pm

1 stop5h 57m

Dayton

Sat 4/25

6:00 pm-9:13 pm

1 stop4h 13m

$289

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 4/4

1:30 pm-9:24 pm

1 stop6h 54m

Dayton

Tue 4/7

6:36 pm-10:19 pm

1 stop4h 43m

$294

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 5/30

7:22 am-1:42 pm

1 stop5h 20m

Dayton

Fri 6/5

5:55 am-8:41 am

1 stop3h 46m

$309

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 6/26

5:41 pm-11:54 pm

1 stop5h 13m

Dayton

Sun 6/28

7:15 am-12:11 pm

1 stop5h 56m

$328

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 4/4

1:30 pm-9:24 pm

1 stop6h 54m

Dayton

Sat 4/18

12:35 pm-4:41 pm

1 stop5h 06m

$338

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 4/29

8:21 am-1:26 pm

1 stop4h 05m

Dayton

Sat 5/2

6:03 pm-10:45 pm

1 stop5h 42m

$349
Quickest round-trip

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sat 4/4

6:30 am-10:57 am

1 stop3h 27m

Dayton

Tue 4/7

6:00 pm-9:13 pm

1 stop4h 13m

$349

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Fri 3/27

8:00 am-3:41 pm

1 stop6h 41m

Dayton

Mon 3/30

5:22 pm-9:11 pm

1 stop4h 49m

$359
Cheapest one-way

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sun 8/30

7:20 am-1:59 pm

1 stop5h 39m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from St. Louis to Dayton

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 St. Louis to Dayton in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 St. Louis-Dayton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Dayton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Dayton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Dayton flights, Cheapflights users trust FlightHub the most. FlightHub 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 St. Louis-Dayton 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 St. Louis to Dayton

Have a flexible travel schedule? Discover the best time to fly to Dayton from St. Louis 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 St. Louis to Dayton

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to Dayton (average of $160). Flying from St. Louis to Dayton in June is currently the most expensive (average of $287). 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.

How much does it cost to fly round-trip from St. Louis to Dayton?

Reviews of airlines servicing Dayton

Get insights into the airlines that provide service to Dayton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dayton. Reviews last updated March 13, 2026.
Read through reviews of airlines operating flights from St. Louis to Dayton, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,418 reviews
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,446 reviews
United Airlines
7.4
Good
9,418 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Dayton. 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 St. Louis to Dayton?

    Delta, United Airlines, and American Airlines can get you from St. Louis to Dayton in just under 3h 43m. Your travel time can differ by up to 3h 21m. There are 338 mi between St. Louis and Dayton. This flight may include one or multiple stops.

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

    According to our current data, United Airlines ($228), and American Airlines ($248) offers the cheapest pricing from St. Louis to Dayton. You may be able to fly from St. Louis to Dayton for 39% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Dayton 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 St. Louis to Dayton?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Dayton (average of $160). Flying from St. Louis to Dayton in June is currently the most expensive (average of $287). 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

Traveling to a place near Dayton?

Book flights to Dayton if you plan to visit one of these locations
Huber Heights
Springfield
Troy
Xenia
Greenville
Miamisburg

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from St. Louis to Dayton

Discover the top 2 airlines that operate flights from St. Louis to Dayton. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$334FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$298FlexibilityNo cancel feeOn-time71%

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