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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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$190
(Delta)

Popular in

December

Cheapest in

April

Average price

$348
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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/12. 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 8/278:45 amDAY - ONT
1 stop7h 54mAmerican Airlines
Wed 9/310:54 amONT - DAY
1 stop6h 26mAmerican Airlines
Deal found 6/12$289
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/25:00 pmDAY - ONT
1 stop8h 25mDelta
Fri 7/411:49 amONT - DAY
1 stop8h 04mDelta
Deal found 6/11$314
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/156:00 amDAY - ONT
2 stops9h 14mUnited Airlines
Sat 7/266:28 pmONT - DAY
2 stops12h 23mUnited Airlines
Deal found 6/12$332
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/912:32 pmDAY - ONT
2 stops14h 41mAlaska Airlines
Tue 8/197:30 amONT - DAY
2 stops12h 30mAlaska Airlines
Deal found 6/11$482

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 June 12, 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

Wed 8/27

8:45 am-1:39 pm

1 stop7h 54m

Ontario

Wed 9/3

10:54 am-8:20 pm

1 stop6h 26m

$289

DaytonOntario

DAY - ONT

DAYONT

Dayton

Wed 7/2

5:00 pm-10:25 pm

1 stop8h 25m

Ontario

Mon 7/7

10:05 pm-10:27 am

1 stop9h 22m

$314

DaytonOntario

DAY - ONT

DAYONT

Dayton

Tue 7/15

6:00 am-12:14 pm

2 stops9h 14m

Ontario

Sat 7/26

6:28 pm-9:51 am

2 stops12h 23m

$332

DaytonOntario

DAY - ONT

DAYONT

Dayton

Sat 8/9

12:32 pm-12:13 am

2 stops14h 41m

Ontario

Tue 8/19

7:30 am-11:00 pm

2 stops12h 30m

$482

DaytonOntario

DAY - ONT

DAYONT

Dayton

Tue 7/1

5:00 pm-10:25 pm

1 stop8h 25m

$190

DaytonOntario

DAY - ONT

DAYONT

Dayton

Fri 7/4

11:49 am-6:30 pm

1 stop9h 41m

$235

DaytonOntario

DAY - ONT

DAYONT

Dayton

Sat 7/12

12:44 pm-9:38 pm

2 stops11h 54m

$295

DaytonOntario

DAY - ONT

DAYONT

Dayton

Mon 9/22

12:42 pm-11:59 pm

2 stops14h 17m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Dayton to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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 American Airlines is currently your cheapest option to Ontario, with prices starting at $289. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $314 and $332, respectively. American Airlines 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.

See more FAQs

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$383FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$458FlexibilityNo cancel feeOn-time71%

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