HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dayton

$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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DAY
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(United Airlines)

One-way from

$189
(Delta)

Popular in

March

Cheapest in

April

Average price

$555
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, 3% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 8, 2026.

This United Airlines deal was found by Cheapflights users on 1/6. 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 4/1511:05 amONT - DAY
2 stops9h 39mUnited Airlines
Mon 4/205:43 pmDAY - ONT
1 stop7h 43mUnited Airlines
Deal found 1/6$314
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Fri 5/11:40 pmONT - DAY
1 stop5h 51mUnited Airlines
Mon 5/46:00 pmDAY - ONT
1 stop7h 26mUnited Airlines
Deal found 1/7$334
This American Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 1/2211:59 pmONT - DAY
1 stop9h 05mAmerican Airlines
Mon 1/266:14 pmDAY - ONT
1 stop7h 34mAmerican Airlines
Deal found 1/7$359
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Thu 1/225:05 amONT - DAY
2 stops11h 32mUnited Airlines
Mon 1/262:04 pmDAY - ONT
2 stops10h 54mUnited Airlines
Deal found 1/7$370
This Delta deal was found by Cheapflights users on 1/8. 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 4/1512:39 pmONT - DAY
1 stop8h 33mDelta
Mon 4/202:46 pmDAY - ONT
1 stop9h 12mDelta
Deal found 1/8$392
This United Airlines deal was found by Cheapflights users on 1/6. 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 2/31:24 pmONT - DAY
1 stop6h 15mUnited Airlines
Tue 2/1010:24 amDAY - ONT
2 stops13h 34mUnited Airlines
Deal found 1/6$404
This American Airlines deal was found by Cheapflights users on 1/7. 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 4/1411:59 pmONT - DAY
1 stop8h 58mAmerican Airlines
Sat 4/181:57 pmDAY - ONT
1 stop10h 09mAmerican Airlines
Deal found 1/7$407

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 January 8, 2026.
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

Thu 1/22

5:05 am-7:37 pm

2 stops11h 32m

Dayton

Mon 1/26

2:04 pm-9:58 pm

2 stops10h 54m

$370

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Tue 2/3

6:00 am-8:22 pm

2 stops11h 22m

Dayton

Tue 2/10

2:04 pm-8:58 pm

2 stops9h 54m

$410

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Thu 2/19

1:15 pm-10:43 pm

1 stop6h 28m

Dayton

Sun 2/22

2:37 pm-9:05 pm

1 stop9h 28m

$447

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Fri 1/23

1:24 pm-10:39 pm

1 stop6h 15m

Dayton

Tue 1/27

8:30 am-12:47 pm

1 stop7h 17m

$449

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Thu 1/22

6:00 am-10:02 pm

2 stops13h 02m

Dayton

Sat 1/24

2:04 pm-9:58 pm

2 stops10h 54m

$460

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Fri 2/13

11:58 pm-11:39 am

1 stop8h 41m

Dayton

Mon 2/16

12:09 pm-4:19 pm

1 stop7h 10m

$466

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Sat 1/17

5:05 am-5:04 pm

2 stops8h 59m

Dayton

Tue 1/20

10:24 am-8:58 pm

2 stops13h 34m

$475

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Mon 2/9

11:59 pm-12:04 pm

1 stop9h 05m

Dayton

Thu 2/12

7:07 am-1:49 pm

1 stop9h 42m

$545

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Mon 3/23

1:50 pm-10:30 pm

1 stop5h 40m

Dayton

Thu 3/26

8:34 am-12:48 pm

1 stop7h 14m

$547

OntarioDayton

ONT - DAY

ONTDAY

Ontario

Wed 2/25

10:20 pm-10:55 am

1 stop9h 35m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 20 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust 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 January is currently the most expensive (average of $231). 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.

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 January 8, 2026.
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
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,025 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
9,139 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
11,094 reviews
Delta
7.9
Good
8,025 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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

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?

    There are many flights that can get you from Ontario to Dayton in 6h 28m. Fly via United Airlines or Delta 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 35% below the average price you’ll pay for this route.

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

    $178 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 January is currently the most expensive (average of $231). 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
Huber Heights
Springfield
Troy
Xenia
Greenville
Miamisburg

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Dayton

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Detroit flights
San Francisco to Detroit flights
Los Angeles to Cleveland flights
Los Angeles to Cincinnati flights
Ontario to Detroit flights
Santa Ana to Detroit flights
San Diego to Detroit flights
San Francisco to Pittsburgh flights
Burbank to Detroit flights
Los Angeles to Pittsburgh flights
Los Angeles to Columbus flights
San Francisco to Cincinnati flights
San Francisco to Cleveland flights
Ontario to Pittsburgh flights
Las Vegas to Pittsburgh flights
San Francisco to Columbus flights
Ontario to Cincinnati flights
Ontario to Cleveland flights
Sacramento to Detroit flights
Las Vegas to Detroit flights
Las Vegas to Columbus flights
San Diego to Pittsburgh flights
Santa Ana to Cleveland flights
San Francisco to Dayton flights
Burbank to Cincinnati flights
Ontario to Columbus flights
San Jose to Cincinnati flights
San Jose to Detroit flights
Oakland to Detroit flights
Oakland to Cincinnati flights
Las Vegas to Cleveland flights
Santa Ana to Pittsburgh flights
San Diego to Cleveland flights
San Diego to Columbus flights
Sacramento to Cincinnati flights
San Diego to Cincinnati flights
Reno to Detroit flights
Long Beach to Columbus flights
Las Vegas to Cincinnati flights
Sacramento to Dayton flights
Santa Ana to Cincinnati flights
Los Angeles to Dayton flights
Burbank to Cleveland flights
Burbank to Columbus flights
Sacramento to Pittsburgh flights
Palm Springs to Detroit flights
Los Angeles to Akron flights
San Jose to Cleveland flights
Santa Ana to Columbus flights
Fresno to Cincinnati flights

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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$454FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$460FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.