$173+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — STL
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Find cheap flights from Dayton to St. Louis 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
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Cheapest
Best
Last-minute
One-way
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 June 16, 2026.
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 June 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/15. 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 8/228:25 am
DAY
- STL
1 stop5h 30m
American Airlines
Tue 8/256:00 am
STL
- DAY
1 stop4h 52m
American Airlines
Deal found 6/15![American Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:23 am
DAY
- STL
1 stop6h 25m
Delta
Tue 7/73:58 pm
STL
- DAY
1 stop6h 53m
Delta
Deal found 6/12![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/49:00 am
DAY
- STL
1 stop6h 18m
United Airlines
Sat 11/75:18 pm
STL
- DAY
1 stop4h 05m
United Airlines
Deal found 6/11![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/811:39 am
DAY
- STL
1 stop5h 07m
United Airlines
Sat 7/117:05 pm
STL
- DAY
1 stop3h 44m
United Airlines
Deal found 6/13![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/25:40 am
DAY
- STL
1 stop3h 59m
United Airlines
Sun 7/56:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/12![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/46:31 am
DAY
- STL
2 stops8h 34m
American Airlines
Tue 7/75:58 pm
STL
- DAY
1 stop4h 03m
American Airlines
Deal found 6/11![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 6/14. 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 11/149:00 am
DAY
- STL
1 stop6h 18m
United Airlines
Wed 11/188:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 7/42:23 pm
DAY
- STL
1 stop4h 50m
United Airlines
Tue 7/75:59 pm
STL
- DAY
1 stop4h 50m
United Airlines
Deal found 6/12![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/86:15 pm
DAY
- STL
1 stop6h 14m
United Airlines
Sun 7/126:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/13![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 6/14. 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 8/77:00 am
DAY
- STL
1 stop6h 54m
American Airlines
Sun 8/95:00 am
STL
- DAY
1 stop5h 52m
American Airlines
Deal found 6/14![American Airlines logo]()
$419
Best flights from Dayton to St. LouisDiscover 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 June 16, 2026.
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 June 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/15. 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 8/228:25 am
DAY
- STL
1 stop5h 30m
American Airlines
Tue 8/256:00 am
STL
- DAY
1 stop4h 52m
American Airlines
Deal found 6/15![American Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:29 pm
DAY
- STL
1 stop6h 49m
Delta
Tue 7/73:58 pm
STL
- DAY
1 stop6h 53m
Delta
Deal found 6/13![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/11. 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 11/49:00 am
DAY
- STL
1 stop6h 18m
United Airlines
Sat 11/75:18 pm
STL
- DAY
1 stop4h 05m
United Airlines
Deal found 6/11![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:40 am
DAY
- STL
1 stop6h 54m
Delta
Wed 7/87:08 am
STL
- DAY
1 stop6h 56m
Delta
Deal found 6/12![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/25:40 am
DAY
- STL
1 stop3h 59m
United Airlines
Sun 7/56:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/12![United Airlines logo]()
$368
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/46:31 am
DAY
- STL
2 stops8h 34m
American Airlines
Tue 7/75:58 pm
STL
- DAY
1 stop4h 03m
American Airlines
Deal found 6/14![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 6/14. 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 11/149:00 am
DAY
- STL
1 stop6h 18m
United Airlines
Wed 11/188:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/14![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/86:15 pm
DAY
- STL
1 stop6h 14m
United Airlines
Sun 7/126:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/13![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 6/13. 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 7/112:23 pm
DAY
- STL
1 stop6h 00m
United Airlines
Sun 7/126:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/13![United Airlines logo]()
$394
Last-minute flights from Dayton to St. LouisDiscover last-minute flight deals from Dayton to St. Louis. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Dayton to St. Louis. Data last updated June 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 6/177:20 am
DAY
- STL
1 stop5h 51m
United Airlines
Tue 6/235:29 pm
STL
- DAY
1 stop5h 20m
United Airlines
Deal found 6/13![United Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/266:15 pm
DAY
- STL
1 stop4h 11m
United Airlines
Tue 6/3010:20 am
STL
- DAY
1 stop6h 10m
United Airlines
Deal found 6/11![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 7/25:40 am
DAY
- STL
1 stop3h 59m
United Airlines
Sun 7/56:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/12![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:40 am
DAY
- STL
1 stop6h 54m
Delta
Wed 7/87:08 am
STL
- DAY
1 stop6h 56m
Delta
Deal found 6/12![Delta logo]()
$280
This American Airlines deal was found by Cheapflights users on 6/11. 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 7/46:31 am
DAY
- STL
2 stops8h 34m
American Airlines
Tue 7/75:58 pm
STL
- DAY
1 stop4h 03m
American Airlines
Deal found 6/11![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 7/42:23 pm
DAY
- STL
1 stop4h 50m
United Airlines
Tue 7/75:59 pm
STL
- DAY
1 stop4h 50m
United Airlines
Deal found 6/12![United Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/58:49 am
DAY
- STL
1 stop5h 06m
American Airlines
Wed 7/86:55 am
STL
- DAY
1 stop4h 04m
American Airlines
Deal found 6/11![American Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 6/15. 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 7/56:00 am
DAY
- STL
1 stop4h 37m
Delta
Wed 7/810:51 am
STL
- DAY
1 stop5h 59m
Delta
Deal found 6/15![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/811:39 am
DAY
- STL
1 stop5h 07m
United Airlines
Sat 7/117:05 pm
STL
- DAY
1 stop3h 44m
United Airlines
Deal found 6/13![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 7/86:15 pm
DAY
- STL
1 stop6h 14m
United Airlines
Sun 7/126:00 am
STL
- DAY
1 stop4h 04m
United Airlines
Deal found 6/13![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:49 am
DAY
- STL
1 stop5h 08m
American Airlines
Sun 7/196:55 am
STL
- DAY
1 stop4h 04m
American Airlines
Deal found 6/13![American Airlines logo]()
$459
One-way flights from Dayton to St. LouisSearch for one-way flight options from Dayton to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Dayton to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 8/253:06 pm
DAY
- STL
1 stop4h 21m
Delta
Deal found 6/11![Delta logo]()
$173
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 8/2711:26 am
DAY
- STL
1 stop5h 51m
Delta
Deal found 6/11![Delta logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:27 pm
DAY
- STL
3 stops41h 30m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/204:27 pm
DAY
- STL
3 stops41h 30m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 6/15. 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.
Tue 6/306:00 am
DAY
- STL
1 stop4h 46m
Delta
Deal found 6/15![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:38 pm
DAY
- STL
1 stop4h 37m
Delta
Deal found 6/13![Delta logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/179:25 pm
DAY
- STL
3 stops45h 12m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/266:00 am
DAY
- STL
1 stop7h 02m
United Airlines
Deal found 6/11![United Airlines logo]()
$348
Find flight deals from Dayton to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to St. Louis (STL). 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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $276 (American Airlines) |
One-way from | $173 (Delta) |
Popular in | March |
Cheapest in | July |
Average price | $289 |
Cheapflights Fare Finder
Customize your flight search to find flights from Dayton to St. Louis 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 June 16, 2026.
Use the filters below to find and compare flights from Dayton to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sat 8/22
8:25 am-12:55 pm
1 stop5h 30m
Lambert-St Louis
Tue 8/25
6:00 am-11:52 am
1 stop4h 52m
$276
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Fri 7/3
4:29 pm-10:18 pm
1 stop6h 49m
Lambert-St Louis
Tue 7/7
3:58 pm-11:51 pm
1 stop6h 53m
$280
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sat 7/4
6:40 am-12:34 pm
1 stop6h 54m
Lambert-St Louis
Wed 7/8
7:08 am-3:04 pm
1 stop6h 56m
$280
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Wed 11/4
9:00 am-2:18 pm
1 stop6h 18m
Lambert-St Louis
Sat 11/7
5:18 pm-10:23 pm
1 stop4h 05m
$341
Quickest round-trip
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Thu 7/2
5:40 am-8:39 am
1 stop3h 59m
Lambert-St Louis
Sun 7/5
6:00 am-11:04 am
1 stop4h 04m
$368
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sat 7/4
6:31 am-2:05 pm
2 stops8h 34m
Lambert-St Louis
Tue 7/7
5:58 pm-11:01 pm
1 stop4h 03m
$371
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sat 11/14
9:00 am-2:18 pm
1 stop6h 18m
Lambert-St Louis
Wed 11/18
8:00 am-1:04 pm
1 stop4h 04m
$379
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Wed 7/8
6:15 pm-11:29 pm
1 stop6h 14m
Lambert-St Louis
Sun 7/12
6:00 am-11:04 am
1 stop4h 04m
$394
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sat 7/11
2:23 pm-7:23 pm
1 stop6h 00m
Lambert-St Louis
Sun 7/12
6:00 am-11:04 am
1 stop4h 04m
$394
Cheapest one-way
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Wed 8/26
6:30 pm-11:21 pm
1 stop5h 51m
$173
Showing 1-10 of 20 resultsSorted by cheapest first
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 June.
| 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 Dayton-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dayton-St. Louis flight deals on Cheapflights vs. FlightHub >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 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 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.
DAY-STL
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, July is the cheapest month in which you can book a flight from Dayton to St. Louis (average of $228). Flying from Dayton to St. Louis in March is currently the most expensive (average of $796). 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 Dayton to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 16, 2026.
Peruse reviews from past customers who have flown with 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.
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
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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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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Top 2 airlines flying from Dayton to St. Louis
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$322 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$238 | Average$308 | FlexibilityNo cancel fee | On-time71% |