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

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

How many flights depart from Ontario to Connecticut on average per week?

29 flights are operational weekly from Ontario to Connecticut as of September 2026. The most popular departure day for this route is Sun, with 21% of flights per week taking off on this day.

What airlines fly to Connecticut?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to Connecticut from Ontario according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Connecticut. Keep in mind that there are 6 different airlines that fly to Connecticut on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ontario Airport to Connecticut refresh daily.

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

As of September 2026, there are 7 operators available to choose from for flights from Ontario Airport to Connecticut.

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

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 Connecticut.

What documentation or ID do you need to fly to Connecticut?

The travel and health documents required for your trip to Connecticut can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Connecticut. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$104 Cheap Flights from Ontario to Connecticut in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Connecticut

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:03 pm - 12:50 pmONT Ontario-EWR Newark

13h 47m1 stop Dallas/Fort Worth

1:45 pm - 7:05 pmEWR Newark-ONT Ontario

8h 20m1 stop Dallas/Fort Worth

$198Frontier

Mon, Oct 19 - Thu, Oct 22

8:03 pm - 12:50 pmONT Ontario-EWR Newark

13h 47m1 stop Dallas/Fort Worth

1:45 pm - 7:05 pmEWR Newark-ONT Ontario

8h 20m1 stop Dallas/Fort Worth

$198Frontier

Mon, Oct 19 - Thu, Oct 22

11:59 pm - 12:02 pmONT Ontario-BDL Hartford Bradley Intl

9h 03m1 stop Dallas/Fort Worth

6:36 am - 11:53 amBDL Hartford Bradley Intl-ONT Ontario

8h 17m1 stop Dallas/Fort Worth

$291American Airlines

Tue, Oct 6 - Tue, Oct 27

11:59 pm - 12:02 pmONT Ontario-BDL Hartford Bradley Intl

9h 03m1 stop Dallas/Fort Worth

12:32 pm - 9:11 pmBDL Hartford Bradley Intl-ONT Ontario

11h 39m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$296American Airlines

Tue, Oct 6 - Tue, Oct 27

6:02 am - 10:29 pmONT Ontario-JFK New York John F Kennedy Intl

13h 27m1 stop Seattle/Tacoma Intl

5:20 pm - 11:54 pmJFK New York John F Kennedy Intl-ONT Ontario

9h 34m1 stop Portland

$300Alaska Airlines

Wed, Oct 21 - Fri, Oct 23

6:02 am - 10:29 pmONT Ontario-JFK New York John F Kennedy Intl

13h 27m1 stop Seattle/Tacoma Intl

4:36 pm - 11:42 pmJFK New York John F Kennedy Intl-ONT Ontario

10h 06m1 stop Seattle/Tacoma Intl

$304Alaska Airlines

Wed, Oct 28 - Fri, Oct 30

5:45 am - 6:45 pmONT Ontario-LGA New York LaGuardia

10h 00m2 stops Las Vegas Harry Reid Intl Denver Intl

8:45 am - 2:10 pmLGA New York LaGuardia-ONT Ontario

8h 25m1 stop Denver Intl

$305Southwest

Tue, Nov 3 - Sat, Nov 7

7:00 am - 5:42 pmONT Ontario-LGA New York LaGuardia

7h 42m1 stop Atlanta Hartsfield-Jackson

4:00 pm - 10:14 pmLGA New York LaGuardia-ONT Ontario

9h 14m1 stop Atlanta Hartsfield-Jackson

$309Delta

Wed, Jan 20 - Tue, Mar 30

12:18 pm - 10:39 pmONT Ontario-LGA New York LaGuardia

7h 21m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:08 amLGA New York LaGuardia-ONT Ontario

8h 08m1 stop Atlanta Hartsfield-Jackson

$309Delta

Fri, Nov 13 - Sun, Nov 15

10:55 am - 10:10 pmONT Ontario-LGA New York LaGuardia

8h 15m1 stop Chicago Midway

6:30 am - 7:45 pmLGA New York LaGuardia-ONT Ontario

16h 15m2 stops Dallas Love Field Phoenix Sky Harbor Intl

$310Southwest

Fri, Dec 4 - Tue, Dec 8

Cheap last minute flights

Enter your travel dates to find the best prices.

7:46 pm - 12:35 pmONT Ontario-EWR Newark

13h 49m1 stop Dallas/Fort Worth

1:30 pm - 6:39 pmEWR Newark-ONT Ontario

8h 09m1 stop Dallas/Fort Worth

$328Frontier

Sun, Sep 27 - Fri, Oct 2

6:14 pm - 6:01 amONT Ontario-JFK New York John F Kennedy Intl

8h 47m1 stop Portland

4:23 pm - 11:42 pmJFK New York John F Kennedy Intl-ONT Ontario

10h 19m1 stop Seattle/Tacoma Intl

$347Alaska Airlines

Mon, Sep 28 - Thu, Oct 22

12:19 pm - 12:59 amONT Ontario-JFK New York John F Kennedy Intl

9h 40m1 stop Atlanta Hartsfield-Jackson

3:10 pm - 8:25 pmJFK New York John F Kennedy Intl-ONT Ontario

8h 15m1 stop Atlanta Hartsfield-Jackson

$364Delta

Thu, Sep 24 - Wed, Oct 7

9:52 am - 9:18 pmONT Ontario-JFK New York John F Kennedy Intl

8h 26m1 stop Salt Lake City

12:59 pm - 6:15 pmJFK New York John F Kennedy Intl-ONT Ontario

8h 16m1 stop Atlanta Hartsfield-Jackson

$364Delta

Thu, Sep 24 - Mon, Oct 5

10:47 am - 6:01 amONT Ontario-JFK New York John F Kennedy Intl

16h 14m1 stop Portland

8:25 pm - 10:17 amJFK New York John F Kennedy Intl-ONT Ontario

16h 52m1 stop Seattle/Tacoma Intl

$365Alaska Airlines

Mon, Sep 28 - Mon, Oct 5

10:25 am - 11:14 pmONT Ontario-JFK New York John F Kennedy Intl

9h 49m1 stop Dallas/Fort Worth

7:59 am - 1:25 pmJFK New York John F Kennedy Intl-ONT Ontario

8h 26m1 stop Dallas/Fort Worth

$382American Airlines

Sat, Sep 26 - Sat, Oct 3

12:37 pm - 11:29 pmONT Ontario-LGA New York LaGuardia

7h 52m1 stop Dallas/Fort Worth

6:15 am - 11:47 amLGA New York LaGuardia-ONT Ontario

8h 32m1 stop Dallas/Fort Worth

$382American Airlines

Sat, Sep 26 - Sat, Oct 3

7:46 pm - 12:35 pmONT Ontario-EWR Newark

13h 49m1 stop Dallas/Fort Worth

1:45 pm - 7:05 pmEWR Newark-ONT Ontario

8h 20m1 stop Dallas/Fort Worth

$401Frontier

Sun, Sep 27 - Thu, Oct 15

5:00 am - 6:25 pmONT Ontario-LGA New York LaGuardia

10h 25m2 stops Denver Intl Chicago O'Hare Intl

4:22 pm - 10:49 pmLGA New York LaGuardia-ONT Ontario

9h 27m1 stop Chicago O'Hare Intl

$427United Airlines

Sat, Sep 26 - Sat, Oct 3

5:00 am - 3:47 pmONT Ontario-LGA New York LaGuardia

7h 47m1 stop Denver Intl

7:45 am - 12:46 pmLGA New York LaGuardia-ONT Ontario

8h 01m1 stop Denver Intl

$507United Airlines

Sat, Sep 26 - Sat, Oct 3

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Alaska Airlines flights from Ontario to Connecticut

Our best Alaska Airlines deals on Ontario to Connecticut flight tickets

Alaska Airlines

Oct 21

ONT6:02 amOntario

13h 27m

1 stop

JFK10:29 pmNew York John F Kennedy Intl

Oct 23

JFK5:20 pmNew York John F Kennedy Intl

9h 34m

1 stop

ONT11:54 pmOntario

$300

Alaska Airlines

Oct 23

ONT5:30 pmOntario

9h 29m

1 stop

JFK5:59 amNew York John F Kennedy Intl

Oct 28

JFK4:36 pmNew York John F Kennedy Intl

20h 41m

1 stop

ONT10:17 amOntario

$304

Alaska Airlines

Feb 5

ONT11:36 amOntario

16h 40m

1 stop

JFK7:16 amNew York John F Kennedy Intl

Feb 8

JFK4:45 pmNew York John F Kennedy Intl

20h 15m

1 stop

ONT10:00 amOntario

$305

Delta flights from Ontario to Connecticut

Our best Delta deals on Ontario to Connecticut flight tickets

Delta

Oct 2

ONT11:54 amOntario

9h 27m

1 stop

JFK12:21 amNew York John F Kennedy Intl

Oct 6

JFK6:00 amNew York John F Kennedy Intl

9h 36m

1 stop

ONT12:36 pmOntario

$309

Delta

Nov 26

ONT12:18 pmOntario

9h 41m

1 stop

JFK12:59 amNew York John F Kennedy Intl

Dec 2

JFK6:45 pmNew York John F Kennedy Intl

8h 13m

1 stop

ONT11:58 pmOntario

$321

Delta

Nov 7

ONT7:07 amOntario

9h 35m

1 stop

LGA7:42 pmNew York LaGuardia

Nov 13

LGA5:00 pmNew York LaGuardia

7h 57m

1 stop

ONT9:57 pmOntario

$325

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Mon 10/19

8:03 pm-12:50 pm

1 stop13h 47m

Newark

Thu 10/22

1:45 pm-7:05 pm

1 stop8h 20m

$198

OntarioNewark

ONT Ontario - EWR Newark

ONTEWR

Ontario

Mon 10/19

8:03 pm-12:50 pm

1 stop13h 47m

Newark

Thu 10/22

1:45 pm-7:05 pm

1 stop8h 20m

$198

OntarioHartford

ONT Ontario - BDL Hartford Bradley Intl

ONTBDL

Ontario

Tue 10/6

11:59 pm-12:02 pm

1 stop9h 03m

Hartford Bradley Intl

Tue 10/27

6:36 am-11:53 am

1 stop8h 17m

$291

OntarioHartford

ONT Ontario - BDL Hartford Bradley Intl

ONTBDL

Ontario

Tue 10/6

11:59 pm-12:02 pm

1 stop9h 03m

Hartford Bradley Intl

Tue 10/27

12:32 pm-9:11 pm

2 stops11h 39m

$296

OntarioNew York

ONT Ontario - JFK New York John F Kennedy Intl

ONTJFK

Ontario

Wed 10/21

6:02 am-10:29 pm

1 stop13h 27m

New York John F Kennedy Intl

Fri 10/23

5:20 pm-11:54 pm

1 stop9h 34m

$300

OntarioNew York

ONT Ontario - JFK New York John F Kennedy Intl

ONTJFK

Ontario

Wed 10/28

6:02 am-10:29 pm

1 stop13h 27m

New York John F Kennedy Intl

Fri 10/30

4:36 pm-11:42 pm

1 stop10h 06m

$304

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Tue 11/3

5:45 am-6:45 pm

2 stops10h 00m

New York LaGuardia

Sat 11/7

8:45 am-2:10 pm

1 stop8h 25m

$305

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Wed 1/20

7:00 am-5:42 pm

1 stop7h 42m

New York LaGuardia

Tue 3/30

4:00 pm-10:14 pm

1 stop9h 14m

$309

Quickest round-trip

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Fri 11/13

12:18 pm-10:39 pm

1 stop7h 21m

New York LaGuardia

Sun 11/15

6:00 am-11:08 am

1 stop8h 08m

$309

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Fri 12/4

10:55 am-10:10 pm

1 stop8h 15m

New York LaGuardia

Tue 12/8

6:30 am-7:45 pm

2 stops16h 15m

$310

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 Ontario to Connecticut

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 Connecticut?

In general, January is the cheapest month to fly from Ontario to Connecticut. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $449. If you aren’t able to travel to Connecticut during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $458.

Can stopping save me money on Ontario to Connecticut flights?

You could potentially save up to 42% on your flight if you consider stops on a Ontario to Connecticut flight.

Cheap Ontario to Connecticut flight deals and tips

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

Best Price Found	$104
Fastest flight time	5h 18m
Direct flights	Every day
Airports in Connecticut	90 airports

The best one-way flight to Connecticut from Ontario in the past 72 hours is $104. The best round-trip flight deal from Ontario to Connecticut found on momondo in the last 72 hours is $198.

The fastest flight from Ontario to Connecticut takes 5h 18m

Direct flights go from Ontario to Connecticut every day.

There are 90 airports in Connecticut. From Ontario there are direct flights to New York John F Kennedy Intl (JFK).

Search flight deals

Frequently asked questions about flying from Ontario to Connecticut

When did momondo last update prices for flights from Ontario Airport to Connecticut?
Prices for flights from Ontario Airport to Connecticut refresh daily.
How many operators does momondo search for flights from Ontario Airport to Connecticut?
As of September 2026, there are 7 operators available to choose from for flights from Ontario Airport to Connecticut.
How old do you have to be to fly from Ontario Airport to Connecticut?
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 Connecticut.
What documentation or ID do you need to fly to Connecticut?
The travel and health documents required for your trip to Connecticut can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Connecticut. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Connecticut

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $331	Free Cancellation	Rating 7.8 8,595 reviews	Search Delta flights
Southwest	PriceFrom $358	Free Cancellation	Rating 8.0 4,195 reviews	Search Southwest flights
United Airlines	PriceFrom $380	Free Cancellation	Rating 7.4 10,225 reviews	Search United Airlines flights
American Airlines	PriceFrom $410	Free Cancellation	Rating 7.0 12,082 reviews	Search American Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Ontario to Connecticut flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Connecticut from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Ontario to Connecticut now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Connecticut and let you know when they change.