Find flights
When to book
FAQs & Tips
Direct Flights
Deals

ONT

$97 Find cheap flights from Connecticut to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Tue 7/2
Tue 7/9

Search hundreds of travel sites at once for deals on flights to Ontario

In the last 7 days travelers have searched 41,909,192 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

May

Cheapest flight

$97
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from New York LaGuardia Airport to Ontario

FAQs for booking flights from Connecticut to Ontario

  • How does KAYAK find such low prices on flights from Connecticut to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Connecticut to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Connecticut to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Connecticut is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Connecticut to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Connecticut with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Connecticut to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Connecticut up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Connecticut to Ontario?

Find which airlines fly direct from Connecticut to Ontario, which days they fly and book direct flights.

Nonstop departures

Connecticut to Ontario

Monday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Tuesday

Aeromexico, Air Canada, Air France, +24 more

Aeromexico, Air Canada, +25 more

Wednesday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Thursday

Aeromexico, Air Canada, Air France, +24 more

Aeromexico, Air Canada, +25 more

Friday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

Saturday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Sunday

Aeromexico, Air Canada, Air France, +24 more

Aeromexico, Air Canada, +25 more

See more direct flights

Nonstop returns

Ontario to Connecticut

Monday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Tuesday

Aeromexico, Air Canada, Air France, +24 more

Aeromexico, Air Canada, +25 more

Wednesday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Thursday

Aeromexico, Air Canada, Air France, +24 more

Aeromexico, Air Canada, +25 more

Friday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

Saturday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Sunday

Aeromexico, Air Canada, Air France, +24 more

Aeromexico, Air Canada, +25 more

See more direct flights
See more direct flights

Book cheap flights from Connecticut to Ontario

Recent round-trip flight deals

9/10Tue
1 stopFrontier
11h 07mLGA-ONT
9/14Sat
1 stopFrontier
11h 02mONT-LGA
$180
9/10Tue
1 stopFrontier
11h 07mLGA-ONT
9/13Fri
1 stopFrontier
18h 11mONT-LGA
$181
8/21Wed
1 stopDelta
7h 59mJFK-ONT
8/27Tue
1 stopDelta
8h 55mONT-JFK
$256
7/16Tue
1 stopDelta
7h 13mEWR-ONT
7/24Wed
1 stopDelta
9h 48mONT-EWR
$256
8/31Sat
1 stopAmerican Airlines
8h 33mJFK-ONT
9/7Sat
1 stopAmerican Airlines
10h 07mONT-JFK
$277
9/10Tue
1 stopAmerican Airlines
8h 27mJFK-ONT
9/13Fri
1 stopAmerican Airlines
8h 20mONT-JFK
$281
9/6Fri
nonstopJetBlue
6h 06mJFK-ONT
9/13Fri
nonstopJetBlue
5h 23mONT-JFK
$287
8/31Sat
nonstopJetBlue
5h 58mJFK-ONT
9/7Sat
nonstopJetBlue
5h 23mONT-JFK
$291
8/15Thu
1 stopUnited Airlines
9h 31mEWR-ONT
8/24Sat
1 stopUnited Airlines
10h 10mONT-EWR
$298
8/22Thu
1 stopUnited Airlines
9h 59mEWR-ONT
8/25Sun
1 stopUnited Airlines
9h 23mONT-EWR
$321

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/10Tue
1 stopFrontier
11h 07mLGA-ONT
$97
9/10Tue
1 stopFrontier
11h 07mLGA-ONT
$100
8/21Wed
1 stopDelta
7h 59mJFK-ONT
$128
7/16Tue
1 stopDelta
7h 13mEWR-ONT
$128
8/13Tue
1 stopAmerican Airlines
8h 58mJFK-ONT
$138
11/5Tue
1 stopAlaska Airlines
11h 18mEWR-ONT
$140
9/25Wed
2 stopsAmerican Airlines
10h 06mJFK-ONT
$142
9/4Wed
nonstopJetBlue
6h 06mJFK-ONT
$144
11/5Tue
1 stopAlaska Airlines
11h 20mJFK-ONT
$146
8/21Wed
nonstopJetBlue
5h 58mJFK-ONT
$148

Search by stops

Search by airline

Search by price

Last minute flights from Connecticut to Ontario

Last minute flight, train and bus deals

6/7Fri
multi-stopFrontier
28h 07mLGA-ONT
6/18Tue
multi-stopFrontier
10h 55mONT-LGA
$235
6/6Thu
multi-stopFrontier
10h 24mLGA-ONT
6/17Mon
multi-stopFrontier
18h 01mONT-LGA
$242
6/7Fri
multi-stopAmerican Airlines
11h 09mJFK-ONT
8/13Tue
multi-stopAmerican Airlines
10h 30mONT-JFK
$281
6/4Tue
multi-stopAmerican Airlines
9h 55mLGA-ONT
6/6Thu
multi-stopAmerican Airlines
9h 41mONT-LGA
$286
6/3Mon
multi-stopDelta
10h 18mJFK-ONT
6/14Fri
multi-stopDelta
7h 46mONT-JFK
$362
6/3Mon
multi-stopDelta
7h 57mEWR-ONT
6/14Fri
multi-stopDelta
9h 14mONT-EWR
$376
6/7Fri
multi-stopUnited Airlines
10h 29mEWR-ONT
6/12Wed
multi-stopUnited Airlines
8h 15mONT-EWR
$452
6/4Tue
multi-stopUnited Airlines
9h 13mLGA-ONT
6/6Thu
multi-stopUnited Airlines
12h 13mONT-LGA
$467
6/7Fri
nonstopJetBlue
6h 10mJFK-ONT
6/12Wed
nonstopJetBlue
5h 24mONT-JFK
$572
6/7Fri
nonstopJetBlue
6h 10mJFK-ONT
8/13Tue
nonstopJetBlue
5h 23mONT-JFK
$586

Search by stops

Search by airline

Search by price

Flights to Ontario

Destination:

Ontario (ONT)United States

Return flight deals:

Ontario - Connecticut

Cabin classes: