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$90 Find cheap flights from Pennsylvania 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 9/4. 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
Sat 7/6
Sat 7/13

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In the last 7 days travelers have searched 43,995,393 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$90
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Philadelphia to Ontario

FAQs for booking flights from Pennsylvania to Ontario

  • How does KAYAK find such low prices on flights from Pennsylvania 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 Pennsylvania to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Pennsylvania 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 Pennsylvania 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 Pennsylvania with another airline.

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

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

Nonstop departures

Pennsylvania 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 Pennsylvania

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 Pennsylvania to Ontario

Recent round-trip flight deals

8/24Sat
1 stopFrontier
13h 41mPHL-ONT
9/6Fri
1 stopFrontier
13h 59mONT-PHL
$176
8/28Wed
1 stopFrontier
7h 40mDCA-ONT
8/30Fri
1 stopFrontier
8h 20mONT-DCA
$176
9/10Tue
nonstopJetBlue
6h 06mJFK-ONT
9/17Tue
nonstopJetBlue
5h 23mONT-JFK
$237
6/17Mon
1 stopAmerican Airlines
8h 52mPHL-ONT
6/19Wed
1 stopAmerican Airlines
8h 50mONT-PHL
$250
8/15Thu
1 stopAmerican Airlines
9h 10mLGA-ONT
8/20Tue
2 stopsAmerican Airlines
9h 26mONT-LGA
$251
9/18Wed
1 stopDelta
9h 36mEWR-ONT
9/21Sat
1 stopDelta
8h 15mONT-EWR
$256
9/12Thu
nonstopJetBlue
6h 06mJFK-ONT
9/17Tue
nonstopJetBlue
5h 23mONT-JFK
$262
10/2Wed
1 stopDelta
9h 36mEWR-ONT
10/8Tue
1 stopDelta
8h 25mONT-EWR
$276
9/14Sat
1 stopAlaska Airlines
9h 07mIAD-ONT
9/18Wed
1 stopAlaska Airlines
10h 49mONT-IAD
$298
10/25Fri
1 stopAlaska Airlines
32h 10mEWR-ONT
11/9Sat
1 stopAlaska Airlines
9h 28mONT-EWR
$364

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Recent one-way flight deals

9/4Wed
1 stopFrontier
7h 58mPHL-ONT
$90
8/13Tue
1 stopFrontier
8h 32mDCA-ONT
$90
9/18Wed
1 stopUnited Airlines
10h 36mLGA-ONT
$113
8/17Sat
nonstopJetBlue
5h 58mJFK-ONT
$119
6/20Thu
1 stopAmerican Airlines
9h 26mPHL-ONT
$125
9/18Wed
1 stopAmerican Airlines
8h 47mJFK-ONT
$128
8/28Wed
1 stopDelta
7h 13mEWR-ONT
$128
9/5Thu
1 stopDelta
7h 27mEWR-ONT
$133
9/3Tue
nonstopJetBlue
5h 58mJFK-ONT
$144
8/20Tue
1 stopUnited Airlines
10h 36mLGA-ONT
$163

Search by stops

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Last minute flights from Pennsylvania to Ontario

Last minute flight, train and bus deals

6/11Tue
multi-stopFrontier
16h 11mPHL-ONT
6/19Wed
multi-stopFrontier
8h 53mONT-PHL
$199
6/11Tue
multi-stopFrontier
16h 11mPHL-ONT
6/17Mon
multi-stopFrontier
25h 37mONT-PHL
$200
6/8Sat
multi-stopAmerican Airlines
7h 30mJFK-ONT
6/9Sun
multi-stopAmerican Airlines
7h 35mONT-JFK
$286
6/7Fri
multi-stopDelta
7h 20mLGA-ONT
6/8Sat
multi-stopDelta
7h 23mONT-LGA
$286
6/8Sat
multi-stopAmerican Airlines
10h 34mJFK-ONT
6/9Sun
multi-stopAmerican Airlines
10h 01mONT-JFK
$291
6/7Fri
multi-stopDelta
7h 20mJFK-ONT
6/14Fri
multi-stopDelta
7h 46mONT-JFK
$332
6/11Tue
multi-stopUnited Airlines
12h 57mLGA-ONT
6/18Tue
multi-stopUnited Airlines
9h 14mONT-LGA
$424
6/7Fri
multi-stopUnited Airlines
8h 11mEWR-ONT
6/26Wed
multi-stopUnited Airlines
8h 15mONT-EWR
$428
6/10Mon
multi-stopSouthwest
8h 55mLGA-ONT
6/12Wed
multi-stopSouthwest
10h 30mONT-LGA
$436
6/9Sun
multi-stopSouthwest
10h 05mLGA-ONT
6/13Thu
multi-stopSouthwest
9h 40mONT-LGA
$504

Search by stops

Search by airline

Search by price