What is the cheapest time of day to fly from ON to NH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to New Hampshire as you normally would.

Can I find deals for flights from Ontario to New Hampshire that include hotel bookings?

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

How can I find direct flights from Ontario to New Hampshire?

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

Can I find deals for business class flights from Ontario to New Hampshire?

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

$325+ Cheap Flights from Ontario to New Hampshire

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Cheap flight deals from Ontario to New Hampshire

One-way

One-way flights from Ontario to New Hampshire
Search for one-way flight options from Ontario to New Hampshire. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Sun 12/133:15 pm -

1 stop18h 34m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/29

$325

Find flight deals from Ontario to New Hampshire

Most accurate provider	FlightHub 3 stars
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Popular in	April
Cheapest in	July
Average price	$287

Provider with most accurate pricing for Toronto (YTO)-Boston Logan Intl flight deals.

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Highest demand for flights based on searches. 9% potential increase in price ($29 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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OttawaLebanon

YOW Ottawa - LEB Lebanon Municipal

YOWLEB

Ottawa

Sun 12/13

3:15 pm-9:49 am

1 stop18h 34m

Lebanon Municipal

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Sorted by cheapest first

Best time to book a flight from Ontario to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Ontario with our price prediction graph.

YOW-LEB

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Everything you need to know about your flight from Ontario to New Hampshire

CAON-USNH

YOW-LEB

No data available for this route at this time. Please check back soon.

Related info for your journey

Can I find deals for flights from Ontario to New Hampshire that include hotel bookings?
Yes. In addition to deals on Ontario to New Hampshire flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to New Hampshire?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to New Hampshire.
Can I find deals for business class flights from Ontario to New Hampshire?
Yes. Cheapflights offers flight deals from Ontario to New Hampshire by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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$325+ Cheap flights from Ontario to New Hampshire

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to New Hampshire with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to New Hampshire

One-way flights from Ontario to New HampshireSearch for one-way flight options from Ontario to New Hampshire. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Search for one-way flight options from Ontario to New Hampshire. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.

Find flight deals from Ontario to New Hampshire

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Most trusted provider

Popular in

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Cheapflights Fare Finder

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

Best time to book a flight from Ontario to New Hampshire

Have a flexible travel schedule? Discover the best time to fly to New Hampshire from Ontario with our price prediction graph.

Cheapflights Insights

Related info for your journey

Can I find deals for flights from Ontario to New Hampshire that include hotel bookings?

How can I find direct flights from Ontario to New Hampshire?

Can I find deals for business class flights from Ontario to New Hampshire?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to New Hampshire by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Ontario to New Hampshire by cabin class

Find flights from Ontario to New Hampshire, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and New Hampshire flights

Browse other Ontario and New Hampshire flight options. Last updated on October 30, 2026.

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Ontario to New Hampshire flights

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One-way flights from Ontario to New Hampshire
Search for one-way flight options from Ontario to New Hampshire. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.