$239+ Cheap flights from St. Louis to Dayton (STL - DAY)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DAY
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Dayton with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Dayton
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Cheapest flights from St. Louis to DaytonExplore 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 September 8, 2026.
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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 10/305:00 am -
1 stop6h 05m
Sun 11/16:36 pm -
1 stop6h 19m
Deal found 9/4![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/165:35 pm -
1 stop4h 41m
Sun 10/256:47 pm -
1 stop6h 07m
Deal found 9/5![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/195:00 am -
1 stop5h 49m
Wed 9/235:34 am -
1 stop5h 44m
Deal found 9/4![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/69:04 am -
1 stop3h 39m
Sat 10/105:58 pm -
1 stop4h 23m
Deal found 9/3![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/51:25 pm -
1 stop6h 55m
Sat 9/1212:19 pm -
1 stop5h 29m
Deal found 9/4![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 9/115:00 am -
1 stop5h 49m
Mon 9/147:09 pm -
1 stop6h 18m
Deal found 9/7![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 11/198:00 am -
1 stop5h 15m
Sun 11/2211:33 am -
1 stop5h 10m
Deal found 9/3![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 11/225:30 pm -
1 stop4h 36m
Mon 11/236:00 am -
1 stop6h 15m
Deal found 9/3![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 9/79:30 am -
1 stop7h 00m
Mon 9/147:15 am -
1 stop5h 47m
Deal found 9/6![United Airlines logo]()
$529
Best flights from St. Louis to DaytonDiscover carefully curated flight deals from St. Louis to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from St. Louis to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Fri 10/305:00 am -
1 stop6h 05m
Sun 11/16:36 pm -
1 stop6h 19m
Deal found 9/7![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/212:00 pm -
1 stop4h 54m
Mon 10/56:39 pm -
1 stop6h 03m
Deal found 9/3![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 10/69:04 am -
1 stop3h 39m
Sat 10/105:58 pm -
1 stop4h 23m
Deal found 9/3![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/165:35 pm -
1 stop4h 41m
Sun 10/256:47 pm -
1 stop6h 07m
Deal found 9/5![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/195:00 am -
1 stop5h 49m
Wed 9/235:34 am -
1 stop5h 44m
Deal found 9/4![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 11/225:30 pm -
1 stop4h 36m
Mon 11/236:00 am -
1 stop6h 15m
Deal found 9/3![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 11/247:30 am -
1 stop4h 57m
Sun 11/2910:00 pm -
1 stop18h 43m
Deal found 9/4![United Airlines logo]()
$558
This American Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 9/215:18 pm -
1 stop5h 20m
Fri 9/257:09 pm -
1 stop6h 18m
Deal found 9/8![American Airlines logo]()
$559
Last-minute flights from St. Louis to DaytonDiscover last-minute flight deals from St. Louis to Dayton. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Dayton. Data last updated September 8, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/51:25 pm -
1 stop6h 55m
Sat 9/1212:19 pm -
1 stop5h 29m
Deal found 9/4![American Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 9/79:30 am -
1 stop7h 00m
Mon 9/147:15 am -
1 stop5h 47m
Deal found 9/6![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 9/4. 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 9/195:00 am -
1 stop5h 49m
Wed 9/235:34 am -
1 stop5h 44m
Deal found 9/4![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 9/215:18 pm -
1 stop5h 20m
Fri 9/257:09 pm -
1 stop6h 18m
Deal found 9/6![American Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/212:00 pm -
1 stop4h 54m
Mon 10/56:39 pm -
1 stop6h 03m
Deal found 9/3![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 10/55:27 pm -
1 stop5h 59m
Thu 10/86:30 am -
1 stop5h 20m
Deal found 9/2![American Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Tue 10/69:04 am -
1 stop3h 39m
Sat 10/105:58 pm -
1 stop4h 23m
Deal found 9/2![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 9/5. 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.
Fri 10/165:35 pm -
1 stop4h 41m
Sun 10/256:47 pm -
1 stop6h 07m
Deal found 9/5![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/307:30 am -
2 stops10h 43m
Sun 11/17:10 am -
1 stop4h 22m
Deal found 9/4![United Airlines logo]()
$593
One-way flights from St. Louis to DaytonSearch for one-way flight options from St. Louis to Dayton. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from St. Louis to Dayton. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 11/227:05 am -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
3 stops46h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 9/276:00 am -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 9/145:18 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 9/144:50 pm -
2 stops16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:19 pm -
3 stops25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$954
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $299 (American Airlines) |
One-way from | $239 (Delta) |
Popular in | April |
Cheapest in | October |
Average price | $298 |
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 7,457,451 searches. Data last updated September 8, 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
Cheapest round-trip
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Sun 11/22
7:05 am-2:37 pm
1 stop6h 32m
Dayton
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$239
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Fri 10/2
2:29 pm-2:03 pm
3 stops46h 34m
Dayton
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$247
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Sun 9/27
6:00 am-1:43 pm
1 stop6h 43m
Dayton
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$259
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Sun 9/27
5:00 am-11:49 am
1 stop5h 49m
Dayton
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$259
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Fri 10/2
5:00 am-11:49 am
1 stop5h 49m
Dayton
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$259
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Fri 10/30
5:00 am-12:05 pm
1 stop6h 05m
Dayton
Sun 11/1
6:36 pm-11:55 pm
1 stop6h 19m
$299
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Fri 10/2
12:00 pm-5:54 pm
1 stop4h 54m
Dayton
Mon 10/5
6:39 pm-11:42 pm
1 stop6h 03m
$299
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Fri 10/16
5:35 pm-11:16 pm
1 stop4h 41m
Dayton
Sun 10/25
6:47 pm-11:54 pm
1 stop6h 07m
$319
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Sat 9/19
5:00 am-11:49 am
1 stop5h 49m
Dayton
Wed 9/23
5:34 am-10:18 am
1 stop5h 44m
$329
St. LouisDayton
STL Lambert-St Louis - DAY Dayton
STLDAY
Lambert-St Louis
Tue 10/6
9:04 am-1:43 pm
1 stop3h 39m
Dayton
Sat 10/10
5:58 pm-9:21 pm
1 stop4h 23m
$351
Showing 1-10 of 16 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
STL-DAY
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
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 September 8, 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.
Boarding
7.7
Entertainment
7.1
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Entertainment
7.1
Food
6.6
Overall
7.4
Comfort
7.3
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
Traveling to a place near Dayton?
Book flights to Dayton if you plan to visit one of these locationsHuber Heights
Troy
Springfield
Greenville
Miamisburg
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St. Louis and Dayton flights
Browse other St. Louis and Dayton flight options. Last updated on September 8, 2026.
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Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$248 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$318 | FlexibilityNo cancel fee | On-time71% |