$175+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — STL
May 29 — Jun 51
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
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 Dayton to St. Louis
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 April 29, 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 April 29, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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 10/62:55 pm
DAY
- STL
1 stop6h 54m
Delta
Tue 10/133:42 pm
STL
- DAY
1 stop6h 32m
Delta
Deal found 4/27![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 4/27. 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 5/2911:20 am
DAY
- STL
1 stop5h 55m
Delta
Sun 5/315:20 pm
STL
- DAY
1 stop5h 12m
Delta
Deal found 4/27![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/255:54 am
DAY
- STL
1 stop3h 47m
United Airlines
Thu 7/21:13 pm
STL
- DAY
1 stop6h 09m
United Airlines
Deal found 4/25![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/166:00 am
DAY
- STL
1 stop7h 41m
American Airlines
Sun 5/175:20 am
STL
- DAY
1 stop5h 42m
American Airlines
Deal found 4/26![American Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/136:30 pm
DAY
- STL
1 stop4h 49m
American Airlines
Sun 5/175:20 am
STL
- DAY
1 stop5h 42m
American Airlines
Deal found 4/27![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/306:10 pm
DAY
- STL
1 stop5h 40m
United Airlines
Wed 6/36:00 am
STL
- DAY
1 stop6h 42m
United Airlines
Deal found 4/27![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/27. 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 4/297:15 am
DAY
- STL
1 stop4h 30m
United Airlines
Tue 5/512:15 pm
STL
- DAY
1 stop5h 38m
United Airlines
Deal found 4/27![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 4/25. 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 5/76:00 am
DAY
- STL
1 stop7h 20m
Delta
Sun 5/107:05 am
STL
- DAY
1 stop6h 24m
Delta
Deal found 4/25![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 4/29. 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 4/306:00 am
DAY
- STL
1 stop6h 56m
Delta
Mon 5/46:50 pm
STL
- DAY
1 stop4h 27m
Delta
Deal found 4/29![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/27. 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 5/86:00 am
DAY
- STL
1 stop7h 20m
Delta
Sun 5/109:15 am
STL
- DAY
1 stop4h 14m
Delta
Deal found 4/27![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 4/24. 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 4/246:39 pm
DAY
- STL
1 stop6h 07m
American Airlines
Sun 4/268:54 am
STL
- DAY
1 stop5h 47m
American Airlines
Deal found 4/24![American Airlines logo]()
$439
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 April 29, 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 April 29, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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 10/62:55 pm
DAY
- STL
1 stop6h 54m
Delta
Tue 10/133:42 pm
STL
- DAY
1 stop6h 32m
Delta
Deal found 4/27![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/245:34 am
DAY
- STL
1 stop4h 07m
United Airlines
Sun 6/285:33 pm
STL
- DAY
1 stop5h 26m
United Airlines
Deal found 4/25![United Airlines logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/255:54 am
DAY
- STL
1 stop3h 47m
United Airlines
Thu 7/21:13 pm
STL
- DAY
1 stop6h 09m
United Airlines
Deal found 4/25![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/306:10 pm
DAY
- STL
1 stop4h 11m
United Airlines
Wed 6/39:23 am
STL
- DAY
1 stop6h 51m
United Airlines
Deal found 4/28![United Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/237:15 am
DAY
- STL
1 stop5h 52m
United Airlines
Wed 5/276:00 am
STL
- DAY
1 stop5h 51m
United Airlines
Deal found 4/24![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 4/26. 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 5/116:46 pm
DAY
- STL
1 stop6h 13m
Delta
Fri 5/157:05 am
STL
- DAY
1 stop6h 24m
Delta
Deal found 4/26![Delta logo]()
$519
This Delta deal was found by Cheapflights users on 4/25. 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 6/253:56 pm
DAY
- STL
1 stop7h 21m
Delta
Thu 7/23:57 pm
STL
- DAY
1 stop4h 49m
Delta
Deal found 4/25![Delta logo]()
$594
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/114:27 pm
DAY
- STL
1 stop5h 46m
United Airlines
Fri 5/155:59 pm
STL
- DAY
2 stops19h 21m
United Airlines
Deal found 4/26![United Airlines logo]()
$677
This United Airlines deal was found by Cheapflights users on 4/26. 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 6/55:55 am
DAY
- STL
1 stop3h 46m
United Airlines
Tue 6/96:00 am
STL
- DAY
2 stops7h 18m
United Airlines
Deal found 4/26![United Airlines logo]()
$820
Last-minute flights from Dayton to St. LouisDiscover last-minute flight deals from Dayton to St. Louis. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Dayton to St. Louis. Data last updated April 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/27. 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 4/297:15 am
DAY
- STL
1 stop4h 30m
United Airlines
Tue 5/512:15 pm
STL
- DAY
1 stop5h 38m
United Airlines
Deal found 4/27![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 4/29. 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 4/306:00 am
DAY
- STL
1 stop6h 56m
Delta
Mon 5/46:50 pm
STL
- DAY
1 stop4h 27m
Delta
Deal found 4/29![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 4/25. 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 5/76:00 am
DAY
- STL
1 stop7h 20m
Delta
Sun 5/107:05 am
STL
- DAY
1 stop6h 24m
Delta
Deal found 4/25![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 4/27. 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 5/86:00 am
DAY
- STL
1 stop7h 20m
Delta
Sun 5/109:15 am
STL
- DAY
1 stop4h 14m
Delta
Deal found 4/27![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 4/26. 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 5/116:46 pm
DAY
- STL
1 stop6h 13m
Delta
Fri 5/157:05 am
STL
- DAY
1 stop6h 24m
Delta
Deal found 4/26![Delta logo]()
$519
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/136:30 pm
DAY
- STL
1 stop4h 49m
American Airlines
Sun 5/175:20 am
STL
- DAY
1 stop5h 42m
American Airlines
Deal found 4/27![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/1312:37 pm
DAY
- STL
1 stop6h 35m
United Airlines
Sun 5/177:45 am
STL
- DAY
1 stop4h 55m
United Airlines
Deal found 4/28![United Airlines logo]()
$454
This American Airlines deal was found by Cheapflights users on 4/26. 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 5/166:00 am
DAY
- STL
1 stop7h 41m
American Airlines
Sun 5/175:20 am
STL
- DAY
1 stop5h 42m
American Airlines
Deal found 4/26![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 4/27. 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 5/2911:20 am
DAY
- STL
1 stop5h 55m
Delta
Sun 5/315:20 pm
STL
- DAY
1 stop5h 12m
Delta
Deal found 4/27![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/306:10 pm
DAY
- STL
1 stop5h 40m
United Airlines
Wed 6/36:00 am
STL
- DAY
1 stop6h 42m
United Airlines
Deal found 4/27![United Airlines logo]()
$341
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 April 29, 2026.
Search for one-way flight options from Dayton to St. Louis. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Thu 6/119:12 pm
DAY
- STL
1 stop27h 57m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/176:21 pm
DAY
- STL
3 stops48h 12m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 4/27. 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 5/236:00 am
DAY
- STL
1 stop6h 54m
Delta
Deal found 4/27![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 4/28. 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 5/136:00 am
DAY
- STL
1 stop4h 44m
Delta
Deal found 4/28![Delta logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/1010:19 am
DAY
- STL
3 stops33h 17m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Sat 5/235:36 pm
DAY
- STL
3 stops40h 19m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/2310:23 am
DAY
- STL
2 stops12h 00m
United Airlines
Deal found 4/27![United Airlines logo]()
$422
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $175 (Kiwi.com) |
Popular in | March |
Cheapest in | July |
Average price | $381 |
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 April 29, 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
Tue 10/6
2:55 pm-8:49 pm
1 stop6h 54m
Lambert-St Louis
Tue 10/13
3:42 pm-11:14 pm
1 stop6h 32m
$271
Quickest round-trip
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Wed 6/24
5:34 am-8:41 am
1 stop4h 07m
Lambert-St Louis
Sun 6/28
5:33 pm-11:59 pm
1 stop5h 26m
$290
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Thu 6/25
5:54 am-8:41 am
1 stop3h 47m
Lambert-St Louis
Thu 7/2
1:13 pm-8:22 pm
1 stop6h 09m
$309
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sat 5/30
6:10 pm-9:21 pm
1 stop4h 11m
Lambert-St Louis
Wed 6/3
9:23 am-5:14 pm
1 stop6h 51m
$341
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sat 5/23
7:15 am-12:07 pm
1 stop5h 52m
Lambert-St Louis
Wed 5/27
6:00 am-12:51 pm
1 stop5h 51m
$360
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Mon 5/11
6:46 pm-11:59 pm
1 stop6h 13m
Lambert-St Louis
Fri 5/15
7:05 am-2:29 pm
1 stop6h 24m
$519
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Thu 6/25
3:56 pm-10:17 pm
1 stop7h 21m
Lambert-St Louis
Thu 7/2
3:57 pm-9:46 pm
1 stop4h 49m
$594
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Mon 5/11
4:27 pm-9:13 pm
1 stop5h 46m
Lambert-St Louis
Fri 5/15
5:59 pm-2:20 pm
2 stops19h 21m
$677
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Fri 6/5
5:55 am-8:41 am
1 stop3h 46m
Lambert-St Louis
Tue 6/9
6:00 am-2:18 pm
2 stops7h 18m
$820
Cheapest one-way
DaytonSt. Louis
DAY - STL
DAYSTL
Dayton
Sun 5/17
6:21 pm-5:33 pm
3 stops48h 12m
$196
Showing 1-10 of 17 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 April.
| 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 $238). 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 April 29, 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
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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.
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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Alternative routes for Dayton to St. Louis
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Complete your trip
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Search flights from Dayton to St. Louis by cabin class
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Dayton and St. Louis flights
Browse other Dayton and St. Louis flight options. Last updated on April 29, 2026.
Other flights from Dayton
Browse through other flights departing from Dayton. Flights are based on user searches made on Cheapflights and were last updated on April 29, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 29, 2026.
Top 2 airlines flying from Dayton to St. Louis
Discover the top 2 airlines that operate flights from Dayton to St. Louis. 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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$322 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$307 | FlexibilityNo cancel fee | On-time71% |