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Cheap flights from Ontario to New Hampshire from C$ 173

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MHT
3 Aug — 10 Aug1
1 adult

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 29 July 2025.

Round-trip from

C$ 283

One-way from

C$ 173
Porter Airlines
  • Porter Airlines
  • 21/8-25/8
  • Nonstop
  • 3h 30m total
  • Ontario to New Hampshire
Search Deals
Porter Airlines
  • Porter Airlines
  • 29/8
  • 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 29 July 2025.

Thu 21/83:00 p.m.YTZ - BOS
Nonstop1h 41mPorter Airlines
Mon 25/87:15 p.m.BOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 27/7C$ 283
Thu 4/94:30 p.m.YYZ - BOS
1 stop5h 25mAir Canada
Sun 7/96:00 a.m.BOS - YYZ
Nonstop1h 56mAir Canada
Deal found 29/7C$ 285
Thu 16/108:25 a.m.YTZ - BOS
1 stop6h 05mAir Canada
Sun 19/106:00 a.m.BOS - YTZ
1 stop5h 45mAir Canada
Deal found 27/7C$ 287
Thu 4/910:25 a.m.YTZ - BOS
1 stop4h 05mMultiple Airlines
Sat 6/96:45 p.m.BOS - YTZ
Nonstop1h 49mMultiple Airlines
Deal found 29/7C$ 298
Thu 4/97:40 a.m.YYZ - BOS
2 stops10h 48mPorter Airlines
Sat 6/93:50 p.m.BOS - YYZ
2 stops16h 12mPorter Airlines
Deal found 29/7C$ 347
Tue 2/91:00 p.m.YTZ - BOS
Nonstop1h 41mAir Transat
Sat 6/912:15 p.m.BOS - YTZ
Nonstop1h 49mAir Transat
Deal found 28/7C$ 348
Fri 5/99:00 p.m.YYZ - BOS
1 stop12h 56mUnited Airlines
Sat 6/91:00 p.m.BOS - YYZ
1 stop6h 05mUnited Airlines
Deal found 27/7C$ 350
Thu 4/95:00 p.m.YOW - BOS
Nonstop1h 28mPorter Airlines
Mon 8/93:30 p.m.BOS - YOW
Nonstop1h 28mPorter Airlines
Deal found 27/7C$ 385
Thu 28/88:05 a.m.YUL - BOS
Nonstop1h 25mAir Canada
Sun 31/86:00 a.m.BOS - YUL
2 stops9h 19mAir Canada
Deal found 27/7C$ 391
Thu 28/810:45 a.m.YUL - BOS
1 stop3h 56mPorter Airlines
Sun 7/99:20 a.m.BOS - YUL
1 stop4h 25mPorter Airlines
Deal found 28/7C$ 392
Thu 4/99:40 a.m.YUL - BOS
2 stops6h 19mMultiple Airlines
Sun 7/99:20 a.m.BOS - YUL
1 stop6h 40mMultiple Airlines
Deal found 28/7C$ 405
Fri 29/811:23 a.m.YUL - BOS
1 stop6h 24mUnited Airlines
Sun 31/89:30 a.m.BOS - YUL
1 stop10h 15mUnited Airlines
Deal found 27/7C$ 418

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 29 July 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

Thu 21/8

3:00 p.m.-4:41 p.m.

Nonstop1h 41m

Boston Logan Intl

Mon 25/8

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

Nonstop1h 49m

C$ 283

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 4/9

4:30 p.m.-9:55 p.m.

1 stop5h 25m

Boston Logan Intl

Sun 7/9

6:00 a.m.-7:56 a.m.

Nonstop1h 56m

C$ 285

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 16/10

8:25 a.m.-2:30 p.m.

1 stop6h 05m

Boston Logan Intl

Sun 19/10

6:00 a.m.-11:45 a.m.

1 stop5h 45m

C$ 287

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Mon 18/8

7:50 p.m.-9:31 p.m.

Nonstop1h 41m

Boston Logan Intl

Mon 25/8

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

Nonstop1h 49m

C$ 329

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 4/9

7:40 a.m.-6:28 p.m.

2 stops10h 48m

Boston Logan Intl

Sat 6/9

3:50 p.m.-8:02 a.m.

2 stops16h 12m

C$ 347

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 5/9

9:00 p.m.-9:56 a.m.

1 stop12h 56m

Boston Logan Intl

Sat 6/9

1:00 p.m.-7:05 p.m.

1 stop6h 05m

C$ 350

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 3/9

6:15 a.m.-10:28 a.m.

1 stop4h 13m

Boston Logan Intl

Thu 11/9

6:05 a.m.-11:19 a.m.

1 stop5h 14m

C$ 357

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 26/9

7:15 a.m.-12:16 p.m.

1 stop5h 01m

Boston Logan Intl

Sun 28/9

6:00 a.m.-10:19 a.m.

1 stop4h 19m

C$ 362

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Thu 4/9

5:00 p.m.-6:28 p.m.

Nonstop1h 28m

Boston Logan Intl

Mon 8/9

3:30 p.m.-4:58 p.m.

Nonstop1h 28m

C$ 385

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 28/8

8:05 a.m.-9:30 a.m.

Nonstop1h 25m

Boston Logan Intl

Sun 31/8

6:00 a.m.-3:19 p.m.

2 stops9h 19m

C$ 391

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

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 29 July 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.

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 29 July 2025.
See what other customers who have flown with Porter Airlines,Delta, andAir Transat 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.
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,977 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,899 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Comfort

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • 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$ 173), Air Canada (C$ 176), and Air Transat (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 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 745AverageC$ 867FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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