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$195+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DAY
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$289
(Delta)

One-way from

$195
(Delta)

Popular in

March

Cheapest in

February

Average price

$483
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. 4% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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 9/1311:55 amONT - DAY
1 stop8h 12mDelta
Tue 9/231:16 pmDAY - ONT
1 stop8h 59mDelta
Deal found 7/31$289
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/136:50 pmONT - DAY
2 stops12h 00mUnited Airlines
Mon 9/225:41 pmDAY - ONT
1 stop7h 49mUnited Airlines
Deal found 7/31$294
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/138:14 amONT - DAY
1 stop8h 50mAmerican Airlines
Wed 8/207:05 amDAY - ONT
1 stop9h 34mAmerican Airlines
Deal found 7/30$314
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:47 pmONT - DAY
2 stops12h 41mAlaska Airlines
Wed 9/246:52 amDAY - ONT
2 stops14h 55mAlaska Airlines
Deal found 8/1$389

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 August 1, 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

Sat 9/13

11:55 am-11:07 pm

1 stop8h 12m

Dayton

Tue 9/23

4:36 pm-10:23 pm

1 stop8h 47m

$289

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Sat 9/13

6:50 pm-9:50 am

2 stops12h 00m

Dayton

Mon 9/22

5:41 pm-10:30 pm

1 stop7h 49m

$294

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Wed 8/13

8:14 am-8:04 pm

1 stop8h 50m

Dayton

Wed 8/20

7:05 am-1:39 pm

1 stop9h 34m

$314

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Mon 9/15

7:47 pm-11:28 am

2 stops12h 41m

Dayton

Wed 9/24

6:52 am-6:47 pm

2 stops14h 55m

$389

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Sat 8/30

11:45 am-11:56 pm

1 stop9h 11m

$195

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Wed 12/10

6:41 pm-11:08 am

2 stops13h 27m

$245

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Wed 8/27

6:17 am-8:04 pm

2 stops10h 47m

$290

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Mon 8/25

7:22 pm-12:02 pm

2 stops13h 40m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 $396). 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 August 1, 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 August 1, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Cheapflights users have booked flights from Ontario to Dayton round-trip from $289. Other airlines that can offer you cheap pricing are United Airlines, from $294, and American Airlines, from $314. Delta is currently priced 36% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to Dayton one-way?

    $195 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $245 and $290, respectively.

  • 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 $396). 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
Springfield
Troy
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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$489FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$334Average$553FlexibilityNo cancel feeOn-time69%

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