Ontario

$182+ Cheap flights from Connecticut to Ontario (ONT)

BDL — ONT
Dec 10 — Dec 171
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Cheap flight deals from Connecticut to Ontario

Cheapest flights from Connecticut to Ontario

Tue 12/158:00 am -
1 stop30h 51m
Wed 1/63:33 pm -
1 stop25h 26m
Deal found 11/6$258
Fri 12/46:26 am -
1 stop9h 58m
Fri 12/1111:59 pm -
1 stop8h 31m
Deal found 11/5$363
Sun 12/65:51 pm -
1 stop21h 00m
Tue 12/88:44 am -
1 stop8h 15m
Deal found 11/8$372
Mon 12/147:45 am -
2 stops11h 25m
Thu 12/176:50 pm -
2 stops9h 55m
Deal found 11/5$395
Tue 12/151:30 pm -
1 stop10h 28m
Fri 12/2511:14 am -
1 stop10h 01m
Deal found 11/5$430
Thu 11/261:31 pm -
1 stop9h 18m
Fri 12/412:20 pm -
1 stop8h 55m
Deal found 11/5$431
Fri 12/43:45 pm -
2 stops23h 06m
Wed 12/911:00 am -
2 stops22h 41m
Deal found 11/8$453
Sun 12/68:35 am -
1 stop10h 10m
Mon 12/76:25 pm -
2 stops10h 30m
Deal found 11/6$461
Tue 12/18:30 am -
3 stops29h 15m
Thu 12/311:30 am -
3 stops24h 30m
Deal found 11/6$491
Fri 12/43:45 pm -
2 stops23h 06m
Sun 12/611:00 am -
2 stops22h 25m
Deal found 11/8$580
Thu 12/241:10 pm -
2 stops20h 57m
Mon 12/287:10 pm -
2 stops24h 49m
Deal found 11/7$706
Wed 11/184:35 pm -
2 stops21h 00m
Fri 11/207:30 am -
3 stops22h 22m
Deal found 11/6$724

Find flight deals from Connecticut to Ontario

Round-trip from

$258
(Kiwi.com)

One-way from

$182
(Delta)

Popular in

June

Cheapest in

January

Average price

$431
From Connecticut to Ontario
One-way flight from Connecticut to Ontario
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Connecticut to Ontario that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Tue 1/12

2:00 pm-9:44 pm

1 stop10h 44m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$182

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Sat 12/5

11:31 am-7:55 pm

1 stop11h 24m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$193

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Sat 1/23

6:00 am-11:55 am

1 stop8h 55m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$226

New HavenOntario

HVN Tweed-New Haven - ONT Ontario

HVNONT

Tweed-New Haven

Fri 12/4

3:45 pm-11:51 am

2 stops23h 06m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$240

New HavenOntario

HVN Tweed-New Haven - ONT Ontario

HVNONT

Tweed-New Haven

Mon 12/7

3:45 pm-11:51 am

2 stops23h 06m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$241

New HavenOntario

HVN Tweed-New Haven - ONT Ontario

HVNONT

Tweed-New Haven

Thu 12/10

4:25 pm-7:44 am

2 stops18h 19m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$247

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Sat 1/9

6:00 am-9:00 pm

3 stops18h 00m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$257

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Wed 12/2

9:35 am-9:11 pm

2 stops14h 36m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$263

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Thu 12/3

3:23 pm-9:11 pm

1 stop8h 48m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$273

HartfordOntario

BDL Hartford Bradley Intl - ONT Ontario

BDLONT

Hartford Bradley Intl

Mon 12/7

9:35 am-8:38 pm

2 stops14h 03m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Connecticut to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Connecticut with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Connecticut to Ontario

What is the cheapest month to book a flight from Connecticut to Ontario?

Currently, May is the cheapest month in which you can book a flight from Connecticut to Ontario (average of $392). Flying from Connecticut to Ontario in December is currently the most expensive (average of $727). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Connecticut to Ontario?

Airfare is below average for this route at the moment.
Connecticut to Ontario flights typically cost between $396 and $676 in December.
The cheapest round-trip price found within the last 5 days was $258 on Multiple Airlines (Dec 15-Jan 6).

Related info for your journey

  • What airport do you fly into for flights to Ontario from Connecticut?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Connecticut.

  • How long is the flight from Connecticut to Ontario?

    Airlines like Delta and United Airlines fly from Connecticut to Ontario in about 9h 18m. The time it takes to get you to your destination can typically vary by up to 8h 42m. The distance from Connecticut to Ontario is about 2474 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Connecticut to Ontario one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $155. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Connecticut to Ontario for a low price.

  • What are the most popular routes from Connecticut to Ontario?

  • Can I find deals for flights from Connecticut to Ontario that include hotel bookings?

    Yes. In addition to deals on Connecticut to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Connecticut to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Connecticut to Ontario.

  • Can I find deals for business class flights from Connecticut to Ontario?

    Yes. Cheapflights offers flight deals from Connecticut to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Connecticut to Ontario?

    Currently, May is the cheapest month in which you can book a flight from Connecticut to Ontario (average of $392). Flying from Connecticut to Ontario in December is currently the most expensive (average of $727). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Connecticut to Ontario

Top 4 airlines flying from Connecticut to Ontario

AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$332Average$498FlexibilityNo cancel feeOn-time63%
DeltaCheapest$349Average$682FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$362Average$531FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$390Average$497FlexibilityNo cancel feeOn-time71%

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