How long is the flight from Ontario to Dayton?

There are many flights that can get you from Ontario to Dayton in 6h 15m. Fly via American Airlines or United Airlines to get the fastest option. Ontario and Dayton are separated by a distance of 1873 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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 Delta, from $288, and United Airlines, from $288. American Airlines is currently priced 33% below the average price you’ll pay for this route.

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

$131 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $183 and $211, respectively.

In terms of precipitation, rainfall in Dayton ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit Dayton when rainfall is around 2.2 in.

If weather is an important factor for your trip to Dayton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What are the most popular airlines that fly from Ontario to Dayton?

When booking a flight from Ontario to Dayton, you may want to consider flying on American Airlines, United Airlines or Delta as they are the most popular for this route.

Most accurate provider : When it comes to deals on Ontario-Dayton flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Dayton flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Dayton flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Dayton flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Dayton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$189+ Flights from Ontario to Dayton

Q: How much does it cost to fly round-trip from Ontario to Dayton?

Airfare is below average for this route at the moment. Ontario to Dayton flights typically cost between $389 and $527 in February. The cheapest round-trip price found within the last 3 days was $289 on American Airlines (Feb 19-Feb 21).

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Find cheap flights from Ontario to Dayton with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap 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 December 11, 2025.

Tue 12/307:05 amONT - DAY

1 stop8h 56mDelta

Sat 1/106:00 amDAY - ONT

1 stop8h 31mDelta

Deal found 12/9

$423

Wed 12/311:40 pmONT - DAY

1 stop5h 42mUnited Airlines

Mon 1/55:21 pmDAY - ONT

1 stop8h 04mUnited Airlines

Deal found 12/10

$494

Sat 12/131:34 pmONT - DAY

1 stop5h 55mUnited Airlines

Mon 12/159:01 amDAY - ONT

1 stop6h 31mUnited Airlines

Deal found 12/9

$512

Thu 12/251:40 pmONT - DAY

1 stop5h 42mUnited Airlines

Sun 1/45:21 pmDAY - ONT

1 stop8h 04mUnited Airlines

Deal found 12/8

$554

Thu 12/111:34 pmONT - DAY

1 stop5h 55mUnited Airlines

Sun 12/149:01 amDAY - ONT

1 stop6h 31mUnited Airlines

Deal found 12/7

$574

Wed 12/311:40 pmONT - DAY

1 stop5h 42mUnited Airlines

Sun 1/45:21 pmDAY - ONT

1 stop8h 04mUnited Airlines

Deal found 12/9

$599

Thu 12/1812:45 pmONT - DAY

1 stop6h 09mAmerican Airlines

Thu 12/255:40 pmDAY - ONT

1 stop7h 34mAmerican Airlines

Deal found 12/8

$626

Best flights from Ontario to Dayton
Discover carefully curated flight deals from Ontario to Dayton that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 11, 2025.

Thu 2/1911:59 pmONT - DAY

1 stop8h 37mAmerican Airlines

Sat 2/2112:06 pmDAY - ONT

1 stop9h 33mAmerican Airlines

Deal found 12/9

$289

Wed 1/71:24 pmONT - DAY

1 stop6h 15mUnited Airlines

Sat 1/108:30 amDAY - ONT

1 stop7h 17mUnited Airlines

Deal found 12/7

$379

Tue 12/307:05 amONT - DAY

1 stop8h 56mDelta

Sat 1/106:00 amDAY - ONT

1 stop8h 31mDelta

Deal found 12/9

$423

Fri 2/611:59 pmONT - DAY

1 stop9h 05mAmerican Airlines

Tue 2/178:26 amDAY - ONT

2 stops13h 34mAmerican Airlines

Deal found 12/9

$294

Fri 1/2311:59 pmONT - DAY

1 stop9h 05mAmerican Airlines

Fri 1/303:29 pmDAY - ONT

1 stop10h 19mAmerican Airlines

Deal found 12/9

$314

Sat 6/67:00 amONT - DAY

1 stop6h 51mUnited Airlines

Sat 6/136:00 pmDAY - ONT

1 stop7h 26mUnited Airlines

Deal found 12/8

$398

Last-minute flights from Ontario to Dayton
Discover last-minute flight deals from Ontario to Dayton. Data last updated December 11, 2025 and is based on user searches.

Sat 12/131:34 pmONT - DAY

1 stop5h 55mUnited Airlines

Mon 12/159:01 amDAY - ONT

1 stop6h 31mUnited Airlines

Deal found 12/9

$512

Tue 12/307:05 amONT - DAY

1 stop8h 56mDelta

Sat 1/106:00 amDAY - ONT

1 stop8h 31mDelta

Deal found 12/9

$423

Wed 12/311:40 pmONT - DAY

1 stop5h 42mUnited Airlines

Mon 1/55:21 pmDAY - ONT

1 stop8h 04mUnited Airlines

Deal found 12/10

$494

Mon 1/510:30 pmONT - DAY

1 stop9h 20mDelta

Fri 1/96:00 amDAY - ONT

1 stop8h 31mDelta

Deal found 12/8

$519

Wed 1/71:24 pmONT - DAY

1 stop6h 15mUnited Airlines

Sat 1/108:30 amDAY - ONT

1 stop7h 17mUnited Airlines

Deal found 12/8

$379

Thu 1/812:41 pmONT - DAY

1 stop7h 35mDelta

Fri 1/96:00 amDAY - ONT

1 stop8h 31mDelta

Deal found 12/10

$527

Fri 1/2311:59 pmONT - DAY

1 stop9h 05mAmerican Airlines

Fri 1/303:29 pmDAY - ONT

1 stop10h 19mAmerican Airlines

Deal found 12/9

$314

Fri 1/231:24 pmONT - DAY

1 stop6h 15mUnited Airlines

Fri 1/305:47 pmDAY - ONT

2 stops30h 11mUnited Airlines

Deal found 12/9

$475

One-way flights from Ontario to Dayton
Search for one-way flight options from Ontario to Dayton. Find affordable one-way fares based on user searches. Data last updated December 11, 2025.

Wed 1/712:41 pmONT - DAY

1 stop7h 35mDelta

Deal found 12/9

$189

Mon 1/510:30 pmONT - DAY

1 stop9h 20mDelta

Deal found 12/9

$260

Sat 3/141:50 pmONT - DAY

1 stop5h 40mUnited Airlines

Deal found 12/9

$274

Sat 3/147:59 pmONT - DAY

2 stops12h 40mAmerican Airlines

Deal found 12/9

$279

Mon 1/56:39 pmONT - DAY

2 stops12h 22mUnited Airlines

Deal found 12/8

$315

Sun 2/16:00 amONT - DAY

2 stops12h 44mAlaska Airlines

Deal found 12/9

$324

Sat 1/1012:41 pmONT - DAY

1 stop7h 35mDelta

Deal found 12/9

$340

Sun 12/216:00 amONT - DAY

3 stops23h 34mMultiple Airlines

Deal found 12/10

$370

Tue 12/231:40 pmONT - DAY

1 stop5h 42mUnited Airlines

Deal found 12/8

$379

Mon 1/196:00 amONT - DAY

2 stops13h 02mUnited Airlines

Deal found 12/10

$384

Find flight deals from Ontario to Dayton

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$289 (American Airlines)
One-way from	$189 (Delta)
Popular in	March
Cheapest in	April
Average price	$463

Provider with most accurate pricing for Ontario-Dayton flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Dayton flights.

Search Deals

From Ontario to Dayton

Search Deals

One-way flight from Ontario to Dayton

Search Deals

High demand for flights, 5% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Thu 2/19

11:59 pm-11:36 am

1 stop8h 37m

Dayton

Sat 2/21

12:06 pm-6:39 pm

1 stop9h 33m

$289

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Fri 2/6

11:59 pm-12:04 pm

1 stop9h 05m

Dayton

Tue 2/17

8:26 am-7:00 pm

2 stops13h 34m

$294

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Fri 1/23

11:59 pm-12:04 pm

1 stop9h 05m

Dayton

Fri 1/30

3:29 pm-10:48 pm

1 stop10h 19m

$314

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Wed 1/7

1:24 pm-10:39 pm

1 stop6h 15m

Dayton

Sat 1/10

8:30 am-12:47 pm

1 stop7h 17m

$379

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Sat 6/6

7:00 am-4:51 pm

1 stop6h 51m

Dayton

Sat 6/13

6:00 pm-10:26 pm

1 stop7h 26m

$398

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 12/30

7:05 am-7:01 pm

1 stop8h 56m

Dayton

Sat 1/10

6:00 am-11:31 am

1 stop8h 31m

$423

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Thu 1/8

12:41 pm-11:16 pm

1 stop7h 35m

$189

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Wed 1/7

12:41 pm-11:16 pm

1 stop7h 35m

$189

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 1/6

12:41 pm-11:16 pm

1 stop7h 35m

$260

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Mon 1/5

10:30 pm-10:50 am

1 stop9h 20m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 17 results

Compare providers for flights from Ontario to Dayton

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Dayton in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Dayton flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Dayton flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Dayton flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Dayton flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Dayton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, September is the cheapest month in which you can book a flight from Ontario to Dayton (average of $103). Flying from Ontario to Dayton in November is currently the most expensive (average of $165). 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?

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

How much does it cost to fly round-trip from Ontario to Dayton?

Reviews of airlines servicing Dayton

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

7.9

Good

8,008 reviews

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

7.9

Good

8,008 reviews

Delta

7.9

Good

8,008 reviews

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

9,094 reviews

Delta

7.9

Good

8,008 reviews

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

11,048 reviews

Delta

7.9

Good

8,008 reviews

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

How long is the flight from Ontario to Dayton?
There are many flights that can get you from Ontario to Dayton in 6h 15m. Fly via American Airlines or United Airlines to get the fastest option. Ontario and Dayton are separated by a distance of 1873 mi. Both multi-stop and nonstop flights can be found to your destination and back.
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 Delta, from $288, and United Airlines, from $288. American Airlines is currently priced 33% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Ontario to Dayton one-way?
$131 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $183 and $211, 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, September is the cheapest month in which you can book a flight from Ontario to Dayton (average of $103). Flying from Ontario to Dayton in November is currently the most expensive (average of $165). 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

Huber Heights

Springfield

Troy

Xenia

Greenville

Miamisburg

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Top 3 airlines flying from Ontario to Dayton

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$288	Average$363	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$288	Average$402	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$288	Average$484	FlexibilityNo cancel fee	On-time71%

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$189+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Dayton with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Dayton

Cheapest flights from Ontario to DaytonExplore 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 December 11, 2025.

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 December 11, 2025.

Find flight deals from Ontario to Dayton

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Dayton that are best for you.

Compare providers for flights from Ontario to Dayton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Dayton in December.

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.

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?

What is the cheapest time of day to fly from ONT to DAY?

How much does it cost to fly round-trip from Ontario to Dayton?

Reviews of airlines servicing Dayton

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.

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?

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

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

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

How can I find direct flights from Ontario to Dayton?

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

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

Traveling to a place near Dayton?

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Alternative routes for Ontario to Dayton

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Top 3 airlines flying from Ontario to Dayton

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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 December 11, 2025.