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Cheap flights from Ontario to Dayton from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Dayton departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Dayton

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:17 pm - 11:14 pmONT  Ontario-DAY Dayton
7h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:27 pm - 8:24 pmDAY  Dayton-ONT Ontario
7h 57m1 stop Atlanta Hartsfield-Jackson
$359Delta
Tue, Sep 22 - Wed, Sep 30
Delta Logo
12:17 pm - 10:17 pmONT  Ontario-DAY Dayton
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:27 pm - 8:24 pmDAY  Dayton-ONT Ontario
7h 57m1 stop Atlanta Hartsfield-Jackson
$359Delta
Sat, Sep 12 - Tue, Sep 15
United Airlines Logo
1:18 pm - 10:45 pmONT  Ontario-DAY Dayton
6h 27m1 stop Denver Intl
United Airlines Logo
6:00 pm - 10:59 pmDAY  Dayton-ONT Ontario
7h 59m1 stop Chicago O'Hare Intl
$359United Airlines
Wed, Sep 9 - Sat, Sep 12
Delta Logo
12:19 pm - 11:14 pmONT  Ontario-DAY Dayton
7h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:27 pm - 8:24 pmDAY  Dayton-ONT Ontario
7h 57m1 stop Atlanta Hartsfield-Jackson
$359Delta
Wed, Sep 23 - Wed, Sep 30
United Airlines Logo
1:18 pm - 10:45 pmONT  Ontario-DAY Dayton
6h 27m1 stop Denver Intl
United Airlines Logo
9:00 am - 8:01 pmDAY  Dayton-ONT Ontario
14h 01m2 stops Denver Intl San Francisco
$364United Airlines
Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
6:08 am - 7:01 pmONT  Ontario-DAY Dayton
9h 53m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
2:23 pm - 9:59 pmDAY  Dayton-ONT Ontario
10h 36m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$369United Airlines
Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
12:37 pm - 11:33 pmONT  Ontario-DAY Dayton
7h 56m1 stop Dallas/Fort Worth
American Airlines Logo
6:23 pm - 10:37 pmDAY  Dayton-ONT Ontario
7h 14m1 stop Dallas/Fort Worth
$389American Airlines
Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
12:37 pm - 11:33 pmONT  Ontario-DAY Dayton
7h 56m1 stop Dallas/Fort Worth
American Airlines Logo
5:35 am - 12:03 pmDAY  Dayton-ONT Ontario
9h 28m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
$394American Airlines
Wed, Sep 9 - Sat, Sep 12
Alaska Airlines Logo
6:02 am - 11:38 pmONT  Ontario-DAY Dayton
14h 36m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl
Alaska Airlines Logo
5:34 am - 2:16 pmDAY  Dayton-ONT Ontario
11h 42m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl
$659Alaska Airlines
Sat, Sep 26 - Wed, Sep 30
Alaska Airlines Logo
6:02 am - 11:38 pmONT  Ontario-DAY Dayton
14h 36m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl
Alaska Airlines Logo
5:34 am - 2:16 pmDAY  Dayton-ONT Ontario
11h 42m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl
$659Alaska Airlines
Tue, Sep 22 - Tue, Sep 29

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American Airlines flights from Ontario to Dayton

Our best American Airlines deals on Ontario to Dayton flight tickets
American Airlines
Sep 9
ONT12:37 pmOntario
7h 56m
1 stop
DAY11:33 pmDayton
Sep 12
DAY6:23 pmDayton
7h 14m
1 stop
ONT10:37 pmOntario
$389
American Airlines
Sep 9
ONT12:37 pmOntario
7h 56m
1 stop
DAY11:33 pmDayton
Sep 12
DAY5:35 amDayton
9h 28m
2 stops
ONT12:03 pmOntario
$394
American Airlines
Sep 9
ONT6:15 amOntario
14h 18m
2 stops
DAY11:33 pmDayton
Sep 12
DAY6:23 pmDayton
7h 14m
1 stop
ONT10:37 pmOntario
$407

United Airlines flights from Ontario to Dayton

Our best United Airlines deals on Ontario to Dayton flight tickets
United Airlines
Sep 9
ONT1:18 pmOntario
6h 27m
1 stop
DAY10:45 pmDayton
Sep 12
DAY9:00 amDayton
14h 01m
2 stops
ONT8:01 pmOntario
$364
United Airlines
Sep 9
ONT6:08 amOntario
9h 53m
2 stops
DAY7:01 pmDayton
Sep 12
DAY2:23 pmDayton
10h 36m
2 stops
ONT9:59 pmOntario
$369
United Airlines
Aug 28
ONT7:13 pmOntario
11h 34m
2 stops
DAY9:47 amDayton
Sep 1
DAY2:23 pmDayton
9h 30m
2 stops
ONT8:53 pmOntario
$439

momondo 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, momondo users made 832,500 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from Ontario to Dayton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Tue 9/22

12:17 pm-11:14 pm

1 stop7h 57m

Dayton

Wed 9/30

3:27 pm-8:24 pm

1 stop7h 57m

$359

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Sat 9/12

12:17 pm-10:17 pm

1 stop7h 00m

Dayton

Tue 9/15

3:27 pm-8:24 pm

1 stop7h 57m

$359
Quickest round-trip

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Wed 9/9

1:18 pm-10:45 pm

1 stop6h 27m

Dayton

Sat 9/12

6:00 pm-10:59 pm

1 stop7h 59m

$359

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Wed 9/23

12:19 pm-11:14 pm

1 stop7h 55m

Dayton

Wed 9/30

3:27 pm-8:24 pm

1 stop7h 57m

$359

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Wed 9/9

1:18 pm-10:45 pm

1 stop6h 27m

Dayton

Sat 9/12

9:00 am-8:01 pm

2 stops14h 01m

$364

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Wed 9/9

6:08 am-7:01 pm

2 stops9h 53m

Dayton

Sat 9/12

2:23 pm-9:59 pm

2 stops10h 36m

$369

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Wed 9/9

12:37 pm-11:33 pm

1 stop7h 56m

Dayton

Sat 9/12

6:23 pm-10:37 pm

1 stop7h 14m

$389

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Wed 9/9

12:37 pm-11:33 pm

1 stop7h 56m

Dayton

Sat 9/12

5:35 am-12:03 pm

2 stops9h 28m

$394

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Sat 9/26

6:02 am-11:38 pm

2 stops14h 36m

Dayton

Wed 9/30

5:34 am-2:16 pm

2 stops11h 42m

$659

OntarioDayton

ONT Ontario - DAY Dayton

ONTDAY

Ontario

Tue 9/22

6:02 am-11:38 pm

2 stops14h 36m

Dayton

Tue 9/29

5:34 am-2:16 pm

2 stops11h 42m

$659

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dayton from

How to get the cheapest flight ticket from Ontario to Dayton

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

What is the typical price of a round-trip flight between Ontario and Dayton?

Prices are currently typical for flights on this route.

Typical prices usually range from $348 to $571.
The lowest price recently found on this route was $359.

What is the cheapest month to fly to Dayton?

The month of September is, on average, the cheapest month to fly to Dayton from Ontario, with most prices found around $288. The month of February is another great option to travel to Dayton, with average flight prices from Ontario averaging around $339.

When to book flights from Ontario to Dayton

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

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

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

Best Price Found

$309

Fastest flight time

6h 24m

Direct flights

None
The best one-way flight to Dayton from Ontario in the past 72 hours is $309. The best round-trip flight deal from Ontario to Dayton found on momondo in the last 72 hours is $359.
The fastest flight from Ontario to Dayton takes 6h 24m
There are no direct flights from Ontario to Dayton. There are no popular flight routes from Ontario to Dayton.
Search flight deals

Frequently asked questions about flying from Ontario to Dayton

  • How far is Ontario to Dayton by plane?

    There are 1877.1 mi between Ontario and Dayton. By plane, this route typically takes 6h 24m.

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

    Prices for flights from Ontario Airport to Dayton Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Dayton Airport.

  • What documentation or ID do you need to fly to Dayton Airport?

    The required travel and health documents for your Dayton Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dayton Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Dayton?

Best airlines flying from Ontario to Dayton

Compare and see reviews for airlines that fly from Ontario to Dayton with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $288Free CancellationRating
7.8
8,503 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
American AirlinesPriceFrom $313Free CancellationRating
7.1
11,944 reviews
Search American Airlines flights

Traveling to a place near Dayton?

Book flights to Dayton if you plan to visit one of these locations
Richmond
Springfield
Fairborn
Miamisburg
Troy
Xenia
Beavercreek
Huber Heights
Sidney
Greenville
Winchester

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Dayton. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Dayton from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Ontario to Dayton flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Dayton from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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