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$190+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DAY
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$289
(Delta)

One-way from

$190
(Delta)

Popular in

July

Cheapest in

February

Average price

$603
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. 22% potential increase in price ($133 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 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 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 June 30, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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.
Mon 8/1110:00 pmONT - DAY
1 stop9h 26mDelta
Mon 8/182:30 pmDAY - ONT
1 stop7h 41mDelta
Deal found 6/29$289
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 9/1612:45 pmONT - DAY
1 stop7h 52mAmerican Airlines
Wed 9/246:52 amDAY - ONT
2 stops12h 13mAmerican Airlines
Deal found 6/30$294
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:39 pmONT - DAY
2 stops12h 12mUnited Airlines
Sat 7/195:55 pmDAY - ONT
1 stop7h 11mUnited Airlines
Deal found 6/30$344
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:10 amONT - DAY
2 stops13h 27mAlaska Airlines
Mon 9/227:04 amDAY - ONT
2 stops14h 32mAlaska Airlines
Deal found 6/29$482

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 June 30, 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

Mon 8/11

10:00 pm-10:26 am

1 stop9h 26m

Dayton

Mon 8/18

2:30 pm-7:11 pm

1 stop7h 41m

$289

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 9/16

12:45 pm-11:37 pm

1 stop7h 52m

Dayton

Wed 9/24

6:52 am-4:05 pm

2 stops12h 13m

$294

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 7/15

6:39 pm-9:51 am

2 stops12h 12m

Dayton

Sat 7/19

5:55 pm-10:06 pm

1 stop7h 11m

$344

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 9/16

7:10 am-11:37 pm

2 stops13h 27m

Dayton

Mon 9/22

7:04 am-6:36 pm

2 stops14h 32m

$482

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 8/12

11:45 am-11:23 pm

1 stop8h 38m

$190

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 9/23

1:15 pm-10:12 pm

1 stop5h 57m

$235

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 8/19

7:30 am-11:00 pm

2 stops12h 30m

$260

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Sun 7/27

12:59 am-12:14 pm

1 stop8h 15m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 June 30, 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 June 30, 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

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
7,969 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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 American Airlines, from $294, and United Airlines, from $344. Delta is currently priced 39% below the average price you’ll pay for this route.

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

    $190 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 Alaska Airlines, with prices starting from $235 and $260, 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 Ontario?

Book flights to Ontario 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$382FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$527FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$334Average$553FlexibilityNo cancel feeOn-time69%

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