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Cheap flights from Ontario to New Hampshire from C$ 172

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MHT
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to New Hampshire

Keep the following information in mind while searching for Ontario to New Hampshire flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 273

One-way from

C$ 172
Porter Airlines
  • Porter Airlines
  • 11/10-18/10
  • Nonstop
  • 3h 30m total
  • Ontario to New Hampshire
Search Deals
Porter Airlines
  • Porter Airlines
  • 9/10
  • Nonstop
  • 1h 41m total
  • Ontario to New Hampshire
Search Deals

Find flight deals from Ontario to New Hampshire

Cheapest flights from Ontario to New Hampshire
Explore the most affordable flight options available from Ontario to New Hampshire. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Sat 11/105:55 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Sat 18/106:45 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 13/9C$ 273
Tue 28/101:00 p.m.YYZ - BOS
1 stop6h 12mAir Canada
Tue 4/113:40 p.m.BOS - YYZ
1 stop6h 04mAir Canada
Deal found 13/9C$ 273
Sun 12/108:20 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Wed 15/1012:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 13/9C$ 274
Sat 4/101:25 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Mon 6/107:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 13/9C$ 275
Thu 9/101:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Sun 12/106:45 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 14/9C$ 277
Wed 15/1010:25 a.m.YTZ - BOS
1 stop4h 05mAir Canada
Mon 20/106:00 a.m.BOS - YTZ
1 stop5h 45mAir Canada
Deal found 15/9C$ 278
Sat 25/101:25 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Wed 29/101:25 p.m.BOS - YTZ
Nonstop1h 59mPorter Airlines
Deal found 13/9C$ 280
Fri 24/1012:30 a.m.YYZ - BOS
2 stops9h 00mAir Canada
Mon 27/106:40 p.m.BOS - YYZ
1 stop5h 24mAir Canada
Deal found 15/9C$ 281
Sat 11/105:55 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Wed 15/103:30 p.m.BOS - YTZ
1 stop3h 33mPorter Airlines
Deal found 15/9C$ 282
Wed 8/108:20 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Wed 15/103:30 p.m.BOS - YTZ
1 stop3h 33mPorter Airlines
Deal found 13/9C$ 285
Wed 15/1012:00 p.m.YYZ - BOS
1 stop5h 55mAir Canada
Sun 19/106:00 a.m.BOS - YYZ
1 stop4h 39mAir Canada
Deal found 15/9C$ 288
Sat 11/104:30 p.m.YYZ - BOS
1 stop4h 55mAir Canada
Sun 12/106:00 a.m.BOS - YYZ
Nonstop1h 56mAir Canada
Deal found 15/9C$ 295

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to New Hampshire that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Ontario to New Hampshire that are best for you.

Fly from

Ontario

Fly to

New Hampshire

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 5/12

1:10 p.m.-2:45 p.m.

Nonstop1h 35m

Boston Logan Intl

Sun 7/12

10:20 a.m.-12:19 p.m.

Nonstop1h 59m

C$ 273

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 21/10

9:50 a.m.-11:31 a.m.

Nonstop1h 41m

Boston Logan Intl

Thu 30/10

7:05 a.m.-9:04 a.m.

Nonstop1h 59m

C$ 273

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 9/10

1:00 p.m.-2:41 p.m.

Nonstop1h 41m

Boston Logan Intl

Mon 13/10

8:45 a.m.-10:34 a.m.

Nonstop1h 49m

C$ 273

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 29/10

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

Boston Logan Intl

Wed 5/11

7:05 a.m.-9:04 a.m.

Nonstop1h 59m

C$ 274

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 4/10

5:55 p.m.-7:36 p.m.

Nonstop1h 41m

Boston Logan Intl

Mon 6/10

7:15 p.m.-9:04 p.m.

Nonstop1h 49m

C$ 275

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 30/10

8:50 a.m.-2:52 p.m.

2 stops6h 02m

Boston Logan Intl

Thu 6/11

10:15 a.m.-2:55 p.m.

1 stop4h 40m

C$ 281

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 28/9

9:50 a.m.-11:31 a.m.

Nonstop1h 41m

Boston Logan Intl

Sat 4/10

7:15 a.m.-9:04 a.m.

Nonstop1h 49m

C$ 285

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 28/10

11:00 a.m.-2:52 p.m.

1 stop3h 52m

Boston Logan Intl

Tue 4/11

6:40 p.m.-12:04 a.m.

1 stop5h 24m

C$ 287

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 16/10

8:20 p.m.-10:01 p.m.

Nonstop1h 41m

Boston Logan Intl

Mon 20/10

7:15 p.m.-9:04 p.m.

Nonstop1h 49m

C$ 296

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Tue 28/10

10:30 a.m.-2:52 p.m.

1 stop4h 22m

Boston Logan Intl

Tue 4/11

1:25 p.m.-3:24 p.m.

Nonstop1h 59m

C$ 298

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 60 results
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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.
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.

Cheapflights Insights

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

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

Find hourly flight availability from Ontario to New Hampshire. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

When flying from Region of Ontario to New Hampshire, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Region of Ontario to New Hampshire?

Reviews of airlines servicing New Hampshire

Get insights into the airlines that provide service to New Hampshire. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New Hampshire. Reviews last updated 15 September 2025.
See what other customers who have flown with United Airlines from Ontario to New Hampshire have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews
Check prices

Overall

7.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Ontario to New Hampshire. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to New Hampshire?

    Airlines like Porter Airlines, Air Canada, and American Airlines fly from Region of Ontario to New Hampshire in about 1h 35m. The time it takes to get you to your destination can typically vary by up to 8h 48m. Region of Ontario and New Hampshire are separated by a distance of 695 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to New Hampshire one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to New Hampshire are Porter Airlines (C$ 172), Air Canada (C$ 183), and WestJet (C$ 198).

  • 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.

See more FAQs

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Alternative routes for Ontario to New Hampshire

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to New Hampshire

Discover the top airline that operate flights from Ontario to New Hampshire. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 752AverageC$ 831FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ontario to New Hampshire?

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Why should you use Cheapflights to find cheap flight tickets from Ontario to New Hampshire?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to New Hampshire from Ontario.

Can Cheapflights find flights from Ontario to New Hampshire with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to New Hampshire with no change fees.

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