What airlines fly to Ontario?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Ontario from Dayton according to our data. American Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Dayton to Ontario?

United Airlines, Delta, and American Airlines are the most popular carriers operating from Dayton to Ontario

When did momondo last update prices for flights from Dayton Airport to Ontario Airport?

Prices for flights from Dayton Airport to Ontario Airport are updated daily.

How many operators does momondo search for flights from Dayton Airport to Ontario Airport?

The number of operators available for flights from Dayton Airport to Ontario Airport is 3 as of September 2026.

How old do you have to be to fly from Dayton Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dayton Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$350 Cheap Flights from Dayton to Ontario in 2026/27

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6:00 am - 11:03 amDAY Dayton-ONT Ontario

8h 03m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:14 pmONT Ontario-DAY Dayton

8h 14m1 stop Atlanta Hartsfield-Jackson

$379Delta

Sun, Nov 15 - Wed, Jan 6

3:22 pm - 9:57 pmDAY Dayton-ONT Ontario

9h 35m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:14 pmONT Ontario-DAY Dayton

8h 14m1 stop Atlanta Hartsfield-Jackson

$379Delta

Thu, Nov 12 - Tue, Jan 5

5:58 pm - 10:49 pmDAY Dayton-ONT Ontario

7h 51m1 stop Chicago O'Hare Intl

1:24 pm - 10:46 pmONT Ontario-DAY Dayton

6h 22m1 stop Denver Intl

$379United Airlines

Sat, Oct 17 - Wed, Oct 21

6:00 am - 11:03 amDAY Dayton-ONT Ontario

8h 03m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 11:14 pmONT Ontario-DAY Dayton

8h 14m1 stop Atlanta Hartsfield-Jackson

$379Delta

Tue, Nov 17 - Tue, Jan 5

2:20 pm - 10:51 pmDAY Dayton-ONT Ontario

11h 31m2 stops Chicago O'Hare Intl San Francisco

1:24 pm - 10:46 pmONT Ontario-DAY Dayton

6h 22m1 stop Denver Intl

$384United Airlines

Sat, Oct 17 - Wed, Oct 21

8:00 am - 12:33 pmDAY Dayton-ONT Ontario

7h 33m1 stop Denver Intl

5:00 am - 8:16 pmONT Ontario-DAY Dayton

12h 16m2 stops Denver Intl Chicago O'Hare Intl

$384United Airlines

Wed, Nov 18 - Tue, Jan 5

9:31 am - 1:32 pmDAY Dayton-ONT Ontario

7h 01m1 stop Dallas/Fort Worth

6:12 am - 4:14 pmONT Ontario-DAY Dayton

7h 02m1 stop Chicago O'Hare Intl

$402American Airlines

Wed, Nov 18 - Tue, Jan 5

5:52 pm - 10:59 pmDAY Dayton-ONT Ontario

8h 07m1 stop Charlotte Douglas

12:43 pm - 11:34 pmONT Ontario-DAY Dayton

7h 51m1 stop Dallas/Fort Worth

$409American Airlines

Sat, Oct 17 - Wed, Oct 21

6:27 am - 6:00 pmDAY Dayton-ONT Ontario

14h 33m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

6:02 am - 12:26 amONT Ontario-DAY Dayton

15h 24m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$699Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

6:27 am - 6:00 pmDAY Dayton-ONT Ontario

14h 33m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

6:02 am - 12:26 amONT Ontario-DAY Dayton

15h 24m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$699Alaska Airlines

Sat, Oct 24 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

9:30 am - 12:46 pmDAY Dayton-ONT Ontario

6h 16m1 stop Denver Intl

7:00 am - 5:10 pmONT Ontario-DAY Dayton

7h 10m1 stop Chicago O'Hare Intl

$523United Airlines

Wed, Sep 30 - Tue, Oct 6

7:00 am - 1:25 pmDAY Dayton-ONT Ontario

9h 25m1 stop Dallas/Fort Worth

9:41 am - 11:34 pmONT Ontario-DAY Dayton

10h 53m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$528American Airlines

Wed, Sep 30 - Tue, Oct 6

9:45 am - 6:17 pmDAY Dayton-ONT Ontario

11h 32m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

6:15 am - 9:04 pmONT Ontario-DAY Dayton

11h 49m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$533American Airlines

Wed, Sep 30 - Tue, Oct 6

5:58 pm - 10:49 pmDAY Dayton-ONT Ontario

7h 51m1 stop Chicago O'Hare Intl

1:22 pm - 10:46 pmONT Ontario-DAY Dayton

6h 24m1 stop Denver Intl

$606United Airlines

Sat, Oct 3 - Sat, Oct 10

5:58 pm - 10:49 pmDAY Dayton-ONT Ontario

7h 51m1 stop Chicago O'Hare Intl

6:00 am - 10:42 pmONT Ontario-DAY Dayton

13h 42m2 stops San Francisco Denver Intl

$619United Airlines

Thu, Oct 1 - Sat, Oct 31

7:00 am - 3:22 pmDAY Dayton-ONT Ontario

11h 22m2 stops Chicago O'Hare Intl San Francisco

9:25 am - 10:42 pmONT Ontario-DAY Dayton

10h 17m2 stops San Francisco Denver Intl

$624United Airlines

Thu, Oct 1 - Sat, Oct 31

5:35 am - 6:00 pmDAY Dayton-ONT Ontario

15h 25m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

6:02 am - 12:26 amONT Ontario-DAY Dayton

15h 24m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$699Alaska Airlines

Sat, Oct 3 - Sat, Oct 10

5:34 am - 2:16 pmDAY Dayton-ONT Ontario

11h 42m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

6:02 am - 12:26 amONT Ontario-DAY Dayton

15h 24m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$809Alaska Airlines

Thu, Oct 1 - Mon, Oct 5

3:27 pm - 8:24 pmDAY Dayton-ONT Ontario

7h 57m1 stop Atlanta Hartsfield-Jackson

12:19 pm - 11:14 pmONT Ontario-DAY Dayton

7h 55m1 stop Atlanta Hartsfield-Jackson

$831Delta

Wed, Sep 30 - Sun, Oct 4

5:34 am - 2:16 pmDAY Dayton-ONT Ontario

11h 42m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

6:02 am - 11:38 pmONT Ontario-DAY Dayton

14h 36m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$869Alaska Airlines

Thu, Oct 1 - Sun, Oct 4

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Delta flights from Dayton to Ontario

Our best Delta deals on Dayton to Ontario flight tickets

Delta

Oct 23

DAY3:25 pmDayton

9h 29m

1 stop

ONT9:54 pmOntario

Oct 29

ONT12:16 pmOntario

8h 00m

1 stop

DAY11:16 pmDayton

$379

Delta

Nov 11

DAY6:00 amDayton

8h 03m

1 stop

ONT11:03 amOntario

Jan 3

ONT10:35 pmOntario

8h 52m

1 stop

DAY10:27 amDayton

$399

Delta

Oct 24

DAY6:00 amDayton

8h 06m

1 stop

ONT11:06 amOntario

Oct 30

ONT12:16 pmOntario

8h 00m

1 stop

DAY11:16 pmDayton

$402

United Airlines flights from Dayton to Ontario

Our best United Airlines deals on Dayton to Ontario flight tickets

United Airlines

Oct 17

DAY2:20 pmDayton

11h 31m

2 stops

ONT10:51 pmOntario

Oct 21

ONT1:24 pmOntario

6h 22m

1 stop

DAY10:46 pmDayton

$384

United Airlines

Nov 18

DAY7:10 amDayton

8h 23m

2 stops

ONT12:33 pmOntario

Jan 5

ONT5:00 amOntario

12h 16m

2 stops

DAY8:16 pmDayton

$389

United Airlines

Dec 9

DAY8:37 amDayton

6h 57m

1 stop

ONT12:34 pmOntario

Dec 16

ONT5:45 amOntario

13h 36m

2 stops

DAY10:21 pmDayton

$450

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Sun 11/15

6:00 am-11:03 am

1 stop8h 03m

Ontario

Wed 1/6

12:00 pm-11:14 pm

1 stop8h 14m

$379

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Thu 11/12

3:22 pm-9:57 pm

1 stop9h 35m

Ontario

Tue 1/5

12:00 pm-11:14 pm

1 stop8h 14m

$379

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Sat 10/17

5:58 pm-10:49 pm

1 stop7h 51m

Ontario

Wed 10/21

1:24 pm-10:46 pm

1 stop6h 22m

$379

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Tue 11/17

6:00 am-11:03 am

1 stop8h 03m

Ontario

Tue 1/5

12:00 pm-11:14 pm

1 stop8h 14m

$379

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Sat 10/17

2:20 pm-10:51 pm

2 stops11h 31m

Ontario

Wed 10/21

1:24 pm-10:46 pm

1 stop6h 22m

$384

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Wed 11/18

8:00 am-12:33 pm

1 stop7h 33m

Ontario

Tue 1/5

5:00 am-8:16 pm

2 stops12h 16m

$384

Quickest round-trip

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Wed 11/18

9:31 am-1:32 pm

1 stop7h 01m

Ontario

Tue 1/5

6:12 am-4:14 pm

1 stop7h 02m

$402

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Sat 10/17

5:52 pm-10:59 pm

1 stop8h 07m

Ontario

Wed 10/21

12:43 pm-11:34 pm

1 stop7h 51m

$409

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Sat 10/24

6:27 am-6:00 pm

2 stops14h 33m

Ontario

Wed 10/28

6:02 am-12:26 am

2 stops15h 24m

$699

DaytonOntario

DAY Dayton - ONT Ontario

DAYONT

Dayton

Sat 10/24

6:27 am-6:00 pm

2 stops14h 33m

Ontario

Sat 10/31

6:02 am-12:26 am

2 stops15h 24m

$699

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Dayton to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Dayton to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $333. If you aren’t able to travel during the month of January, then book flights to Ontario from Dayton during August instead. Flights to Ontario in August, while not as cheap as those in January, still average around $393.

How have Dayton to Ontario flight prices changed over time?

When to book flights from Dayton to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Dayton to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Dayton to Ontario (DAY to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dayton to Ontario

Best Price Found	$350
Fastest flight time	6h 57m
Direct flights	None

The best one-way flight to Ontario from Dayton in the past 72 hours is $350. The best round-trip flight deal from Dayton to Ontario found on momondo in the last 72 hours is $379.

The fastest flight from Dayton to Ontario takes 6h 57m

There are no direct flights from Dayton to Ontario. There are no popular flight routes from Dayton to Ontario.

Search flight deals

Frequently asked questions about flying from Dayton to Ontario

How far is Dayton to Ontario by plane?
The straight-line distance from Dayton to Ontario is 1877.1 mi. In terms of flight time, this usually takes a little over 6h 57m.
When did momondo last update prices for flights from Dayton Airport to Ontario Airport?
Prices for flights from Dayton Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Dayton Airport to Ontario Airport?
The number of operators available for flights from Dayton Airport to Ontario Airport is 3 as of September 2026.
How old do you have to be to fly from Dayton Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dayton Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Dayton to Ontario?
Based on momondo bookings for flights between Dayton and Ontario, the leading airline is American Airlines, making up 47% of the total bookings. Other popular airlines include Delta with 28% and United Airlines with 25%.

Best airlines flying from Dayton to Ontario

Compare and see reviews for airlines that fly from Dayton to Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 10,245 reviews	Search United Airlines flights
Delta	PriceFrom $309	Free Cancellation	Rating 7.8 8,605 reviews	Search Delta flights
American Airlines	PriceFrom $344	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Dayton to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Dayton.

Can I find flights from Dayton to Ontario with flexible booking policies on momondo?

All flight searches from Dayton to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dayton to Ontario?

momondo helps you find the best flight between Dayton and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Dayton to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Dayton and alert you when they change.

An easier way to manage your Ontario trip

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Cheap flights from Dayton to Los Angeles from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to Los Angeles departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Dayton to Ontario

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How to get the cheapest flight ticket from Dayton to Ontario

What is the cheapest month to fly to Ontario?

How have Dayton to Ontario flight prices changed over time?

What is the cheapest airline that flies from Dayton to Ontario?

What airlines fly to Ontario?

When to book flights from Dayton to Ontario

Cheap Dayton to Ontario (DAY to ONT) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Dayton to Ontario

Best airlines flying from Dayton to Ontario

Compare and see reviews for airlines that fly from Dayton to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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