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$190+ Cheap flights from Dayton to Ontario (DAY - ONT)

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.
DAY — ONT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Dayton to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to Ontario (ONT). 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 July 3, 2025.

Round-trip from

$289
(Delta)

One-way from

$190
(Delta)

Popular in

December

Cheapest in

April

Average price

$523
From Dayton to Ontario
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One-way flight from Dayton to Ontario
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Highest demand for flights based on searches. 5% potential increase in price ($28 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 July 2025
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Find flight deals from Dayton to Ontario

Cheapest flights from Dayton to Ontario
Explore the most affordable flight options available from Dayton to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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 8/76:00 amDAY - ONT
1 stop7h 30mDelta
Sun 8/1010:05 pmONT - DAY
1 stop9h 21mDelta
Deal found 7/2$289
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:24 amDAY - ONT
2 stops11h 00mAmerican Airlines
Wed 9/38:15 amONT - DAY
1 stop9h 05mAmerican Airlines
Deal found 7/1$294
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/166:00 amDAY - ONT
2 stops9h 14mUnited Airlines
Sat 7/196:28 pmONT - DAY
2 stops12h 23mUnited Airlines
Deal found 7/2$349
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 9/1811:58 amDAY - ONT
2 stops14h 56mAlaska Airlines
Sun 9/217:40 pmONT - DAY
2 stops12h 48mAlaska Airlines
Deal found 7/1$559

Cheapflights Fare Finder

Customize your flight search to find flights from Dayton to Ontario 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 July 3, 2025.
Use the filters below to find and compare flights from Dayton to Ontario that are best for you.

Fly from

Dayton

Fly to

Ontario

Route

Depart

Return

Price

DaytonOntario

DAY - ONT

DAYONT

Dayton

Thu 8/7

2:29 pm-7:20 pm

1 stop7h 51m

Ontario

Mon 8/11

10:00 pm-10:26 am

1 stop9h 26m

$289

DaytonOntario

DAY - ONT

DAYONT

Dayton

Wed 8/27

8:24 am-4:24 pm

2 stops11h 00m

Ontario

Wed 9/3

8:15 am-8:20 pm

1 stop9h 05m

$294

DaytonOntario

DAY - ONT

DAYONT

Dayton

Wed 7/16

6:00 am-12:14 pm

2 stops9h 14m

Ontario

Sat 7/19

6:28 pm-9:51 am

2 stops12h 23m

$349

DaytonOntario

DAY - ONT

DAYONT

Dayton

Thu 9/18

11:58 am-11:54 pm

2 stops14h 56m

Ontario

Sun 9/21

7:40 pm-11:28 am

2 stops12h 48m

$559

DaytonOntario

DAY - ONT

DAYONT

Dayton

Wed 8/6

2:29 pm-7:20 pm

1 stop7h 51m

$190

DaytonOntario

DAY - ONT

DAYONT

Dayton

Tue 7/29

6:00 am-12:32 pm

2 stops9h 32m

$240

DaytonOntario

DAY - ONT

DAYONT

Dayton

Mon 8/4

5:22 pm-9:38 pm

1 stop7h 16m

$254

DaytonOntario

DAY - ONT

DAYONT

Dayton

Thu 8/7

12:43 pm-12:15 am

2 stops14h 32m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Best time to book a flight from Dayton to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Dayton to Ontario (average of $246). Flying from Dayton to Ontario in March is currently the most expensive (average of $328). 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 DAY to ONT?

Find hourly flight availability from Dayton to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from Dayton to Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 3, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Dayton to Ontario 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

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

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 Dayton to Ontario. 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 Dayton to Ontario round-trip?

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $289. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $294 and $349, respectively. Delta is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $190. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Dayton to Ontario for a low price.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Dayton to Ontario (average of $246). Flying from Dayton to Ontario in March is currently the most expensive (average of $328). 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.

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Alternative routes for Dayton to Ontario

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Top 3 airlines flying from Dayton to Ontario

Discover the top 3 airlines that operate flights from Dayton to Ontario. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$383FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$450FlexibilityNo cancel feeOn-time71%

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