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$230+ Cheap flights from Ontario to Dayton (ONT - 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DAY
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Ontario to Dayton

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 septiembre 16, 2025.

Round-trip from

$289
(Delta)

One-way from

$230
(Delta)

Popular in

March

Cheapest in

February

Average price

$343
From Ontario to Dayton
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One-way flight from Ontario to Dayton
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Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Dayton

Cheapest flights from Ontario to Dayton
Explore the most affordable flight options available from Ontario to Dayton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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.
dom. 11/210:00 pmONT - DAY
1 stop9h 24mDelta
jue. 11/134:10 pmDAY - ONT
1 stop9h 54mDelta
Deal found 9/16$289
This United Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 10/256:36 pmONT - DAY
2 stops12h 16mUnited Airlines
sáb. 11/225:58 pmDAY - ONT
1 stop7h 33mUnited Airlines
Deal found 9/14$294
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 10/111:55 amONT - DAY
1 stop8h 12mDelta
mié. 10/83:17 pmDAY - ONT
1 stop10h 05mDelta
Deal found 9/15$314
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/306:36 pmONT - DAY
2 stops12h 14mUnited Airlines
mar. 10/79:00 amDAY - ONT
2 stops9h 02mUnited Airlines
Deal found 9/15$324
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 10/2911:36 amONT - DAY
1 stop8h 08mDelta
mar. 11/46:05 amDAY - ONT
1 stop7h 21mDelta
Deal found 9/15$339
This Delta deal was found by Cheapflights users on 9/16. 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.
jue. 11/610:00 pmONT - DAY
1 stop9h 24mDelta
jue. 11/134:10 pmDAY - ONT
1 stop9h 54mDelta
Deal found 9/16$344
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 9/306:10 amONT - DAY
2 stops11h 51mAmerican Airlines
mar. 10/77:08 amDAY - ONT
1 stop7h 49mAmerican Airlines
Deal found 9/15$345
This American Airlines deal was found by Cheapflights users on 9/14. 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.
vie. 11/79:59 amONT - DAY
2 stops11h 00mAmerican Airlines
mar. 11/119:31 amDAY - ONT
2 stops9h 32mAmerican Airlines
Deal found 9/14$350
This Delta deal was found by Cheapflights users on 9/16. 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.
sáb. 11/111:36 amONT - DAY
1 stop8h 08mDelta
lun. 11/106:34 pmDAY - ONT
1 stop7h 30mDelta
Deal found 9/16$364
This Delta deal was found by Cheapflights users on 9/16. 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.
jue. 11/610:00 pmONT - DAY
1 stop9h 24mDelta
lun. 11/104:10 pmDAY - ONT
1 stop9h 54mDelta
Deal found 9/16$369
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/710:00 pmONT - DAY
1 stop9h 35mDelta
mar. 11/114:10 pmDAY - ONT
1 stop9h 54mDelta
Deal found 9/14$374
This American Airlines deal was found by Cheapflights users on 9/14. 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.
sáb. 10/2512:47 pmONT - DAY
1 stop7h 29mAmerican Airlines
sáb. 11/225:40 pmDAY - ONT
1 stop9h 17mAmerican Airlines
Deal found 9/14$377

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Ontario to Dayton that are best for you.

Fly from

Ontario

Fly to

Dayton

Route

Depart

Return

Price

OntarioDayton

ONT - DAY

ONTDAY

Ontario

mar. 11/4

10:00 pm-10:24 am

1 stop9h 24m

Dayton

mié. 11/12

4:10 pm-11:04 pm

1 stop9h 54m

$289

OntarioDayton

ONT - DAY

ONTDAY

Ontario

mié. 11/5

10:00 pm-10:24 am

1 stop9h 24m

Dayton

jue. 11/13

4:10 pm-11:04 pm

1 stop9h 54m

$289

OntarioDayton

ONT - DAY

ONTDAY

Ontario

vie. 11/7

10:00 pm-10:35 am

1 stop9h 35m

Dayton

mié. 11/12

6:34 pm-11:04 pm

1 stop7h 30m

$289

OntarioDayton

ONT - DAY

ONTDAY

Ontario

dom. 11/2

10:00 pm-10:24 am

1 stop9h 24m

Dayton

mié. 11/12

4:10 pm-11:04 pm

1 stop9h 54m

$289

OntarioDayton

ONT - DAY

ONTDAY

Ontario

mar. 9/30

7:05 am-5:52 pm

1 stop7h 47m

Dayton

mar. 10/7

3:17 pm-10:22 pm

1 stop10h 05m

$314

OntarioDayton

ONT - DAY

ONTDAY

Ontario

mié. 10/1

11:55 am-11:07 pm

1 stop8h 12m

Dayton

mié. 10/8

3:17 pm-10:22 pm

1 stop10h 05m

$314

OntarioDayton

ONT - DAY

ONTDAY

Ontario

lun. 11/3

10:00 pm-10:24 am

1 stop9h 24m

Dayton

sáb. 11/8

1:29 pm-7:19 pm

1 stop8h 50m

$314

OntarioDayton

ONT - DAY

ONTDAY

Ontario

vie. 11/7

10:00 pm-10:35 am

1 stop9h 35m

Dayton

sáb. 11/8

3:17 pm-7:19 pm

1 stop7h 02m

$314

OntarioDayton

ONT - DAY

ONTDAY

Ontario

lun. 11/3

10:00 pm-10:24 am

1 stop9h 24m

Dayton

lun. 11/10

4:10 pm-11:04 pm

1 stop9h 54m

$314

OntarioDayton

ONT - DAY

ONTDAY

Ontario

mié. 11/5

10:00 pm-10:24 am

1 stop9h 24m

Dayton

sáb. 11/8

1:29 pm-7:19 pm

1 stop8h 50m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to Dayton

Have a flexible travel schedule? Discover the best time to fly to Dayton from Ontario 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 Ontario to Dayton

What is the cheapest month to book a flight from Ontario to Dayton?

Currently, August is the cheapest month in which you can book a flight from Ontario to Dayton (average of $325). Flying from Ontario to Dayton in March is currently the most expensive (average of $395). 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 ONT to DAY?

Find hourly flight availability from Ontario 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 septiembre 16, 2025.

It’s typically best to fly out from Ontario to Dayton in the afternoon. Doing so could potentially save you 18% on the flight price compared to flying at noon, which is usually more expensive.

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 septiembre 16, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Ontario to Dayton have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario to Dayton?

    There are many flights that can get you from Ontario to Dayton in 9h 24m. Fly via Delta to get the fastest option. Ontario and Dayton are separated by a distance of 1873 mi.

  • What are the cheapest airlines flying from Ontario to Dayton round-trip?

    Cheapflights users have booked flights from Ontario to Dayton round-trip from $288. Other airlines that can offer you cheap pricing are United Airlines, from $288, and Delta, from $288. American Airlines is currently priced 36% below the average price you’ll pay for this route.

  • Can I find deals for flights from Ontario to Dayton that include hotel bookings?

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

  • How can I find direct flights from Ontario to Dayton?

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

  • Can I find deals for business class flights from Ontario to Dayton?

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Dayton?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Dayton (average of $325). Flying from Ontario to Dayton in March is currently the most expensive (average of $395). 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
Troy
Springfield
Xenia
Miamisburg
Richmond

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Top 3 airlines flying from Ontario to Dayton

Discover the top 3 airlines that operate flights from Ontario 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$528FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$313Average$460FlexibilityNo cancel feeOn-time69%

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