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

United Airlines, Southwest, and Delta are the most popular carriers operating from Connecticut to Ontario

How long does it take to fly to Ontario?

Average flight duration from Connecticut to Ontario depends on which airport you fly into and out of. Flying from Hartford to Los Angeles is 8h 07m on average, while flying from New Haven to Los Angeles is 13h 32m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

American Airlines, Southwest and Breeze Airways are the top three most popular airlines that fly to Ontario from Connecticut according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Connecticut to Ontario Airport refresh daily.

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

There are 4 operators available for flights from Connecticut to Ontario Airport as of September 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut 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.

$182 Cheap Flights from Connecticut to Ontario in 2026/27

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6:01 pm - 11:46 pmBDL Hartford Bradley Intl-ONT Ontario

8h 45m1 stop Dallas/Fort Worth

12:42 pm - 11:27 pmONT Ontario-BDL Hartford Bradley Intl

7h 45m1 stop Dallas/Fort Worth

$363American Airlines

Thu, Dec 3 - Sat, Dec 5

6:16 pm - 11:52 pmBDL Hartford Bradley Intl-ONT Ontario

8h 36m1 stop Dallas/Fort Worth

10:30 pm - 9:06 amONT Ontario-BDL Hartford Bradley Intl

7h 36m1 stop Charlotte Douglas

$363American Airlines

Thu, Oct 29 - Wed, Nov 4

2:20 pm - 10:14 pmBDL Hartford Bradley Intl-ONT Ontario

10h 54m1 stop Atlanta Hartsfield-Jackson

7:00 am - 6:00 pmONT Ontario-BDL Hartford Bradley Intl

8h 00m1 stop Atlanta Hartsfield-Jackson

$363Delta

Tue, Feb 9 - Tue, Feb 23

6:00 am - 11:27 amBDL Hartford Bradley Intl-ONT Ontario

8h 27m1 stop Atlanta Hartsfield-Jackson

7:00 am - 6:00 pmONT Ontario-BDL Hartford Bradley Intl

8h 00m1 stop Atlanta Hartsfield-Jackson

$363Delta

Wed, Jan 27 - Wed, Feb 3

1:00 pm - 6:10 pmBDL Hartford Bradley Intl-ONT Ontario

8h 10m1 stop Chicago Midway

5:20 am - 3:45 pmONT Ontario-BDL Hartford Bradley Intl

7h 25m1 stop Chicago Midway

$375Southwest

Mon, Jan 11 - Fri, Jan 15

11:00 am - 6:10 pmBDL Hartford Bradley Intl-ONT Ontario

10h 10m2 stops Baltimore/Washington Chicago Midway

5:20 am - 3:45 pmONT Ontario-BDL Hartford Bradley Intl

7h 25m1 stop Chicago Midway

$380Southwest

Mon, Jan 11 - Fri, Jan 15

12:37 pm - 8:51 pmBDL Hartford Bradley Intl-ONT Ontario

11h 14m2 stops Chicago O'Hare Intl Denver Intl

5:00 am - 3:56 pmONT Ontario-BDL Hartford Bradley Intl

7h 56m1 stop Denver Intl

$380United Airlines

Tue, Oct 27 - Fri, Oct 30

6:05 am - 7:04 amBDL Hartford Bradley Intl-ONT Ontario

27h 59m1 stop Las Vegas Harry Reid Intl

6:15 am - 12:54 pmONT Ontario-BDL Hartford Bradley Intl

27h 39m2 stops Denver Intl Orlando

$457Multiple Airlines

Sun, Oct 11 - Tue, Oct 20

6:05 am - 7:04 amBDL Hartford Bradley Intl-ONT Ontario

27h 59m1 stop Las Vegas Harry Reid Intl

6:15 am - 12:54 pmONT Ontario-BDL Hartford Bradley Intl

27h 39m2 stops Denver Intl Orlando

$469Multiple Airlines

Sun, Oct 11 - Tue, Oct 20

12:38 pm - 10:51 pmBDL Hartford Bradley Intl-ONT Ontario

13h 13m2 stops Chicago O'Hare Intl San Francisco

7:00 am - 5:53 pmONT Ontario-BDL Hartford Bradley Intl

7h 53m1 stop Chicago O'Hare Intl

$487United Airlines

Sat, Oct 10 - Sat, Oct 17

Cheap last minute flights

Enter your travel dates to find the best prices.

2:05 pm - 6:41 pmBDL Hartford Bradley Intl-ONT Ontario

7h 36m1 stop Atlanta Hartsfield-Jackson

12:16 pm - 11:59 pmONT Ontario-BDL Hartford Bradley Intl

8h 43m1 stop Atlanta Hartsfield-Jackson

$601Delta

Sat, Sep 26 - Tue, Oct 6

2:05 pm - 6:41 pmBDL Hartford Bradley Intl-ONT Ontario

7h 36m1 stop Atlanta Hartsfield-Jackson

12:16 pm - 11:59 pmONT Ontario-BDL Hartford Bradley Intl

8h 43m1 stop Atlanta Hartsfield-Jackson

$601Delta

Sat, Sep 26 - Wed, Oct 7

12:38 pm - 8:31 pmBDL Hartford Bradley Intl-ONT Ontario

10h 53m2 stops Chicago O'Hare Intl San Francisco

1:24 pm - 11:34 pmONT Ontario-BDL Hartford Bradley Intl

7h 10m1 stop Denver Intl

$606United Airlines

Tue, Sep 29 - Wed, Sep 30

3:05 pm - 10:05 pmBDL Hartford Bradley Intl-ONT Ontario

10h 00m2 stops Baltimore/Washington Denver Intl

8:35 am - 9:15 pmONT Ontario-BDL Hartford Bradley Intl

9h 40m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

$611Southwest

Tue, Sep 29 - Wed, Sep 30

3:35 pm - 8:58 pmBDL Hartford Bradley Intl-ONT Ontario

8h 23m1 stop Denver Intl

5:00 am - 3:57 pmONT Ontario-BDL Hartford Bradley Intl

7h 57m1 stop Denver Intl

$681United Airlines

Thu, Sep 24 - Sat, Sep 26

5:45 pm - 10:05 pmBDL Hartford Bradley Intl-ONT Ontario

7h 20m1 stop Denver Intl

11:55 pm - 11:00 amONT Ontario-BDL Hartford Bradley Intl

8h 05m1 stop Chicago Midway

$681Southwest

Tue, Sep 29 - Thu, Oct 1

6:37 am - 11:47 amBDL Hartford Bradley Intl-ONT Ontario

8h 10m1 stop Dallas/Fort Worth

7:20 am - 11:34 pmONT Ontario-BDL Hartford Bradley Intl

13h 14m2 stops Dallas/Fort Worth Philadelphia

$843American Airlines

Mon, Sep 28 - Fri, Oct 2

6:37 am - 11:47 amBDL Hartford Bradley Intl-ONT Ontario

8h 10m1 stop Dallas/Fort Worth

12:37 pm - 11:23 pmONT Ontario-BDL Hartford Bradley Intl

7h 46m1 stop Dallas/Fort Worth

$939American Airlines

Mon, Sep 28 - Thu, Oct 1

1:12 pm - 11:24 pmBDL Hartford Bradley Intl-ONT Ontario

13h 12m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

7:59 pm - 12:09 pmONT Ontario-BDL Hartford Bradley Intl

13h 10m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$2,394Alaska Airlines

Fri, Sep 25 - Sun, Sep 27

1:12 pm - 11:24 pmBDL Hartford Bradley Intl-ONT Ontario

13h 12m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

6:02 am - 10:56 pmONT Ontario-BDL Hartford Bradley Intl

13h 54m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

$2,537Alaska Airlines

Sun, Sep 27 - Tue, Sep 29

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American Airlines flights from Connecticut to Ontario

Our best American Airlines deals on Connecticut to Ontario flight tickets

American Airlines

Nov 4

BDL5:35 amHartford Bradley Intl

10h 56m

2 stops

ONT1:31 pmOntario

Nov 9

ONT10:30 pmOntario

8h 52m

1 stop

BDL10:22 amHartford Bradley Intl

$368

American Airlines

Nov 3

BDL11:12 amHartford Bradley Intl

9h 58m

2 stops

ONT6:10 pmOntario

Nov 9

ONT11:59 pmOntario

11h 04m

2 stops

BDL2:03 pmHartford Bradley Intl

$374

American Airlines

Oct 17

BDL5:21 pmHartford Bradley Intl

8h 38m

1 stop

ONT10:59 pmOntario

Oct 20

ONT11:59 pmOntario

11h 50m

2 stops

BDL2:49 pmHartford Bradley Intl

$380

Frontier flights from Connecticut to Ontario

Our best Frontier deals on Connecticut to Ontario flight tickets

Frontier

Nov 6

BDL3:15 pmHartford Bradley Intl

22h 27m

2 stops

ONT10:42 amOntario

Nov 12

ONT11:52 amOntario

23h 28m

2 stops

BDL2:20 pmHartford Bradley Intl

$471

Frontier

Oct 5

BDL3:16 pmHartford Bradley Intl

22h 14m

2 stops

ONT10:30 amOntario

Oct 17

ONT5:25 pmOntario

17h 56m

2 stops

BDL2:21 pmHartford Bradley Intl

$685

Frontier

Oct 5

BDL3:16 pmHartford Bradley Intl

22h 14m

2 stops

ONT10:30 amOntario

Oct 7

ONT2:30 pmOntario

20h 51m

2 stops

BDL2:21 pmHartford Bradley Intl

$750

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Thu 12/3

6:01 pm-11:46 pm

1 stop8h 45m

Ontario

Sat 12/5

12:42 pm-11:27 pm

1 stop7h 45m

$363

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Thu 10/29

6:16 pm-11:52 pm

1 stop8h 36m

Ontario

Wed 11/4

10:30 pm-9:06 am

1 stop7h 36m

$363

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Tue 2/9

2:20 pm-10:14 pm

1 stop10h 54m

Ontario

Tue 2/23

7:00 am-6:00 pm

1 stop8h 00m

$363

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Wed 1/27

6:00 am-11:27 am

1 stop8h 27m

Ontario

Wed 2/3

7:00 am-6:00 pm

1 stop8h 00m

$363

Quickest round-trip

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Mon 1/11

1:00 pm-6:10 pm

1 stop8h 10m

Ontario

Fri 1/15

5:20 am-3:45 pm

1 stop7h 25m

$375

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Mon 1/11

11:00 am-6:10 pm

2 stops10h 10m

Ontario

Fri 1/15

5:20 am-3:45 pm

1 stop7h 25m

$380

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Tue 10/27

12:37 pm-8:51 pm

2 stops11h 14m

Ontario

Fri 10/30

5:00 am-3:56 pm

1 stop7h 56m

$380

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Sun 10/11

6:05 am-7:04 am

1 stop27h 59m

Ontario

Tue 10/20

6:15 am-12:54 pm

2 stops27h 39m

$457

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Sun 10/11

6:05 am-7:04 am

1 stop27h 59m

Ontario

Tue 10/20

6:15 am-12:54 pm

2 stops27h 39m

$469

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Sat 10/10

12:38 pm-10:51 pm

2 stops13h 13m

Ontario

Sat 10/17

7:00 am-5:53 pm

1 stop7h 53m

$487

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 Connecticut 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

Other information

What is the cheapest month to fly to Ontario?

In general, May is the cheapest month to fly from Connecticut to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $392. If you aren’t able to travel during the month of May, then book flights to Ontario from Connecticut during August instead. Flights to Ontario in August, while not as cheap as those in May, still average around $430.

Can stopping save me money on Connecticut to Ontario flights?

You could potentially save up to 45% on your flight if you consider stops on a Connecticut to Ontario flight.

Cheap Connecticut to Ontario flight deals and tips

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

Best Price Found	$182
Fastest flight time	5h 58m
Direct flights	None

The best one-way flight to Ontario from Connecticut in the past 72 hours is $182. The best round-trip flight deal from Connecticut to Ontario found on momondo in the last 72 hours is $363.

The fastest flight from Connecticut to Ontario takes 5h 58m

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

Search flight deals

Frequently asked questions about flying from Connecticut to Ontario

When did momondo last update prices for flights from Connecticut to Ontario Airport?
Prices for flights from Connecticut to Ontario Airport refresh daily.
How many operators does momondo search for flights from Connecticut to Ontario Airport?
There are 4 operators available for flights from Connecticut to Ontario Airport as of September 2026.
How old do you have to be to fly from Connecticut to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Connecticut 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.

Best airlines flying from Connecticut to Ontario

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $332	Free Cancellation	Rating 8.0 4,198 reviews	Search Southwest flights
Delta	PriceFrom $349	Free Cancellation	Rating 7.8 8,591 reviews	Search Delta flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 10,226 reviews	Search United Airlines flights
American Airlines	PriceFrom $390	Free Cancellation	Rating 7.0 12,076 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Ontario from Connecticut is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Ontario from Connecticut with this policy.

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

momondo helps you find the best flight between Connecticut 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 Connecticut 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 Connecticut and alert you when they change.

An easier way to manage your Ontario trip

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Cheap flights from Connecticut to Los Angeles from $182

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Connecticut to Los Angeles departing on 10/28. 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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American Airlines flights from Connecticut to Ontario

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How to get the cheapest flight ticket from Connecticut to Ontario

What is the cheapest month to fly to Ontario?

Can stopping save me money on Connecticut to Ontario flights?

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

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Cheap Connecticut to Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Connecticut to Ontario

Best airlines flying from Connecticut to Ontario

Compare and see reviews for airlines that fly from Connecticut 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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Popular flights according to clicks in the last 7 days on momondo

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