ONT

$117 Find Cheap Flights from New Hampshire 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 12/14. 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.
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Good to know

Low season

January

High season

November

Cheapest flight

$117
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Boston to Ontario

FAQs for booking flights from New Hampshire to Ontario

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

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

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

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

Find which airlines fly direct from New Hampshire to Ontario Airport, which days they fly and book direct flights.

Nonstop departures

New Hampshire to Ontario

Monday

Aeromexico, Air Canada, Air France, +21 more

Aeromexico, Air Canada, +22 more

Tuesday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

Wednesday

Aeromexico, Air Canada, Air France, +21 more

Aeromexico, Air Canada, +22 more

Thursday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Friday

Aeromexico, Air Canada, Air France, +21 more

Aeromexico, Air Canada, +22 more

Saturday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

Sunday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

See more direct flights

Nonstop returns

Ontario to New Hampshire

Monday

Aeromexico, Air Canada, Air France, +21 more

Aeromexico, Air Canada, +22 more

Tuesday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

Wednesday

Aeromexico, Air Canada, Air France, +21 more

Aeromexico, Air Canada, +22 more

Thursday

Aeromexico, Air Canada, Air France, +23 more

Aeromexico, Air Canada, +24 more

Friday

Aeromexico, Air Canada, Air France, +21 more

Aeromexico, Air Canada, +22 more

Saturday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

Sunday

Aeromexico, Air Canada, Air France, +22 more

Aeromexico, Air Canada, +23 more

See more direct flights
See more direct flights

Book cheap flights from New Hampshire to Ontario

Recent round-trip flight deals

1/8Wed
1 stopDelta
9h 13mBOS-ONT
1/10Fri
1 stopDelta
10h 31mONT-BOS
$308
1/22Wed
1 stopUnited Airlines
8h 37mBOS-ONT
1/25Sat
2 stopsUnited Airlines
9h 13mONT-BOS
$313
12/11Wed
1 stopAmerican Airlines
9h 28mBOS-ONT
12/18Wed
1 stopAmerican Airlines
7h 22mONT-BOS
$318
12/9Mon
1 stopAlaska Airlines
20h 04mBOS-ONT
12/11Wed
1 stopAlaska Airlines
30h 13mONT-BOS
$322
12/11Wed
2 stopsAmerican Airlines
10h 22mBOS-ONT
12/18Wed
1 stopAmerican Airlines
7h 22mONT-BOS
$323
1/18Sat
1 stopAlaska Airlines
14h 13mBOS-ONT
1/27Mon
1 stopAlaska Airlines
9h 26mONT-BOS
$325
1/7Tue
1 stopDelta
9h 13mBOS-ONT
1/15Wed
1 stopDelta
7h 58mONT-BOS
$326
12/9Mon
2 stopsAlaska Airlines
19h 59mBOS-ONT
12/11Wed
1 stopAlaska Airlines
30h 13mONT-BOS
$327
1/10Fri
2 stopsSouthwest
11h 15mBOS-ONT
1/13Mon
1 stopSouthwest
7h 25mONT-BOS
$333
1/10Fri
2 stopsSouthwest
10h 20mBOS-ONT
1/13Mon
2 stopsSouthwest
10h 10mONT-BOS
$338

Search by stops

Search by airline

Search by price

Recent one-way flight deals

12/14Sat
2 stopsFrontier
20h 44mBOS-ONT
$117
1/24Fri
2 stopsFrontier
14h 28mBOS-ONT
$121
11/26Tue
1 stopAmerican Airlines
9h 32mBOS-ONT
$139
1/22Wed
1 stopDelta
9h 13mBOS-ONT
$154
12/11Wed
1 stopDelta
8h 49mBOS-ONT
$158
1/15Wed
2 stopsAmerican Airlines
10h 35mBOS-ONT
$159
1/10Fri
1 stopAlaska Airlines
11h 11mBOS-ONT
$164
1/18Sat
2 stopsAlaska Airlines
13h 04mBOS-ONT
$166
1/11Sat
2 stopsUnited Airlines
12h 15mPWM-ONT
$173
12/24Tue
1 stopUnited Airlines
8h 34mBOS-ONT
$189

Search by stops

Search by airline

Search by price

Last minute flights from New Hampshire to Ontario

Last minute flight, train and bus deals

11/25Mon
multi-stopAlaska Airlines
11h 34mBOS-ONT
12/6Fri
multi-stopAlaska Airlines
8h 54mONT-BOS
$376
11/25Mon
multi-stopDelta
8h 41mBOS-ONT
11/27Wed
multi-stopDelta
9h 56mONT-BOS
$450
11/23Sat
multi-stopAmerican Airlines
8h 36mBOS-ONT
11/25Mon
multi-stopAmerican Airlines
7h 59mONT-BOS
$497
11/25Mon
multi-stopAmerican Airlines
10h 48mBOS-ONT
11/29Fri
multi-stopAmerican Airlines
7h 13mONT-BOS
$508
11/23Sat
multi-stopSouthwest
11h 30mBOS-ONT
11/25Mon
multi-stopSouthwest
10h 10mONT-BOS
$582
11/23Sat
multi-stopSouthwest
11h 25mBOS-ONT
11/25Mon
multi-stopSouthwest
9h 50mONT-BOS
$587
11/25Mon
multi-stopAlaska Airlines
11h 34mBOS-ONT
11/29Fri
multi-stopAlaska Airlines
11h 59mONT-BOS
$627
11/25Mon
multi-stopAmerican Airlines
9h 09mBOS-ONT
11/29Fri
multi-stopAmerican Airlines
9h 37mONT-BOS
$643
11/25Mon
multi-stopUnited Airlines
11h 34mBOS-ONT
11/27Wed
multi-stopUnited Airlines
13h 45mONT-BOS
$692
11/25Mon
multi-stopUnited Airlines
12h 59mBOS-ONT
11/27Wed
multi-stopUnited Airlines
13h 45mONT-BOS
$697

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

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