ONT

$113 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 2/25. 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
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$232
Overall average: $322
United Airlines
Thu 1/29Fri 1/30
BOS - ONT • 1 stop
Cheapest one-way
$113
Typical prices: $175-$388
Frontier
Wed 2/25
BOS - ONT • 2 stops
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from New Hampshire to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from New Hampshire to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from New Hampshire to Ontario

Thu, Jan 29 - Fri, Jan 30
United Airlines Logo
1:50 pm - 10:53 pm
BOS
-
ONT
12h 03m1 stop
United Airlines Logo
5:05 am - 3:37 pm
ONT
-
BOS
7h 32m1 stop
$232United Airlines
Sun, Jan 25 - Thu, Jan 29
Delta Logo
7:15 am - 1:56 pm
BOS
-
ONT
9h 41m1 stop
Delta Logo
3:30 pm - 6:50 am
ONT
-
BOS
12h 20m1 stop
$237Delta
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
9:30 am - 5:43 pm
BOS
-
ONT
11h 13m2 stops
United Airlines Logo
6:00 am - 6:20 pm
ONT
-
BOS
9h 20m1 stop
$242United Airlines
Wed, Jan 28 - Sat, Jan 31
Alaska Airlines Logo
7:00 am - 3:08 pm
BOS
-
ONT
11h 08m1 stop
Alaska Airlines Logo
11:53 am - 11:54 pm
ONT
-
BOS
9h 01m1 stop
$258Alaska Airlines
Mon, Feb 2 - Mon, Feb 9
American Airlines Logo
6:00 am - 12:03 pm
BOS
-
ONT
9h 03m1 stop
American Airlines Logo
11:59 pm - 12:58 pm
ONT
-
BOS
9h 59m2 stops
$264American Airlines
Thu, Jan 22 - Fri, Jan 30
Alaska Airlines Logo
7:00 am - 3:08 pm
BOS
-
ONT
11h 08m1 stop
Alaska Airlines Logo
11:53 am - 11:54 pm
ONT
-
BOS
9h 01m1 stop
$297Alaska Airlines
Mon, Feb 2 - Mon, Feb 9
Southwest Logo
12:45 pm - 9:45 pm
PWM
-
ONT
12h 00m2 stops
Southwest Logo
6:50 am - 10:45 pm
ONT
-
PWM
12h 55m2 stops
$307Southwest
Thu, Jan 15 - Thu, Jan 22
American Airlines Logo
6:00 am - 6:45 pm
PWM
-
ONT
15h 45m2 stops
American Airlines Logo
7:30 pm - 12:06 pm
ONT
-
PWM
13h 36m2 stops
$361American Airlines
Wed, Mar 11 - Sat, Mar 14
Southwest Logo
7:25 am - 12:40 pm
MHT
-
ONT
8h 15m1 stop
Southwest Logo
9:55 pm - 8:05 am
ONT
-
MHT
7h 10m1 stop
$415Southwest
Thu, May 14 - Mon, May 18
JetBlue Logo
2:18 pm - 10:09 pm
PWM
-
ONT
10h 51m1 stop
JetBlue Logo
11:25 pm - 1:23 pm
ONT
-
PWM
10h 58m1 stop
$529JetBlue
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Good to know

Low seasonSeptember
Cheapest flight$113
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 19% 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.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)