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$165+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DAY
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$229
(Delta)

One-way from

$165
(Delta)

Popular in

March

Cheapest in

August

Average price

$319
From Lambert-St Louis to Dayton
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One-way flight from Lambert-St Louis to Dayton
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Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:00 amSTL - DAY
1 stop5h 44mDelta
Tue 7/156:00 amDAY - STL
1 stop4h 41mDelta
Deal found 6/10$229
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/294:37 pmSTL - DAY
1 stop4h 33mAmerican Airlines
Fri 7/48:37 amDAY - STL
1 stop5h 14mAmerican Airlines
Deal found 6/10$234
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.
Thu 6/265:00 amSTL - DAY
1 stop5h 14mUnited Airlines
Mon 6/305:55 pmDAY - STL
1 stop5h 50mUnited Airlines
Deal found 6/11$314
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/139:50 amSTL - DAY
3 stops21h 53mMultiple Airlines
Sun 6/159:02 pmDAY - STL
3 stops22h 39mMultiple Airlines
Deal found 6/10$749

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 June 12, 2025.
Use the filters below to find and compare flights from St. Louis to Dayton that are best for you.

Fly from

St. Louis

Fly to

Dayton

Route

Depart

Return

Price

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Tue 7/8

7:00 am-1:44 pm

1 stop5h 44m

Dayton

Tue 7/15

6:00 am-9:41 am

1 stop4h 41m

$229

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Sun 6/29

4:37 pm-10:10 pm

1 stop4h 33m

Dayton

Fri 7/4

8:37 am-12:51 pm

1 stop5h 14m

$234

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Thu 6/26

5:00 am-11:14 am

1 stop5h 14m

Dayton

Mon 6/30

5:55 pm-10:45 pm

1 stop5h 50m

$314

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 8/6

5:23 pm-12:13 am

1 stop5h 50m

$165

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Mon 6/23

1:24 pm-9:52 pm

1 stop7h 28m

$284

St. LouisDayton

STL - DAY

STLDAY

Lambert-St Louis

Wed 8/6

5:00 am-6:59 pm

2 stops12h 59m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, August is the cheapest month in which you can book a flight from St. Louis to Dayton (average of $325). Flying from St. Louis to Dayton in June is currently the most expensive (average of $402). 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.

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

Find hourly flight availability from St. Louis to Dayton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Dayton in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

Rainfall in Dayton by month

Plan your trip to Dayton by taking into account the average rainfall totals by month.

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

Temperature in Dayton by month

Plan your trip to Dayton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dayton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 June 12, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from St. Louis to Dayton have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, Delta ($229), American Airlines ($234), and United Airlines ($314) offers the cheapest pricing from St. Louis to Dayton. You may be able to fly from St. Louis to Dayton for 32% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from St. Louis to Dayton one-way?

    $165 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $284 and $430, respectively.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Dayton (average of $325). Flying from St. Louis to Dayton in June is currently the most expensive (average of $402). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Troy
Springfield
Xenia
Miamisburg
Richmond

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Top airline flying from St. Louis to Dayton

Discover the top airline 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$306FlexibilityNo cancel feeOn-time71%

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