New Hampshire

$126+ Cheap flights from Ontario to New Hampshire

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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MHT
Aug 4 — Aug 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to New Hampshire with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 30, 2025.

Round-trip from

$206
(SmartFares)

One-way from

$125
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$275
From Ontario to New Hampshire
One-way flight from Ontario to New Hampshire
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 July 30, 2025.

This SmartFares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:20 pmYTZ - BOS
Nonstop1h 41mPorter Airlines
Fri 10/245:35 pmBOS - YTZ
Nonstop1h 49mPorter Airlines
Deal found 7/27$206
This Flightnetwork deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:30 pmYYZ - BOS
1 stop5h 25mAir Canada
Sun 9/76:00 amBOS - YYZ
Nonstop1h 56mAir Canada
Deal found 7/29$208
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:25 amYTZ - BOS
1 stop4h 05mMultiple Airlines
Sat 9/66:45 pmBOS - YTZ
Nonstop1h 49mMultiple Airlines
Deal found 7/29$217
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:40 pmYYZ - BOS
1 stop7h 55mAmerican Airlines
Wed 9/1011:14 amBOS - YYZ
1 stop5h 19mAmerican Airlines
Deal found 7/29$229
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/310:25 amYTZ - BOS
1 stop4h 05mAir Canada
Tue 9/910:20 amBOS - YTZ
1 stop4h 25mAir Canada
Deal found 7/30$231
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/129:50 amYTZ - BOS
Nonstop1h 41mAir Transat
Wed 10/157:15 pmBOS - YTZ
Nonstop1h 49mAir Transat
Deal found 7/29$232
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:40 amYYZ - BOS
2 stops10h 48mPorter Airlines
Sat 9/63:50 pmBOS - YYZ
2 stops16h 12mPorter Airlines
Deal found 7/29$253
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:45 pmYOW - BOS
2 stops8h 16mPorter Airlines
Tue 9/3012:15 pmBOS - YOW
1 stop5h 54mPorter Airlines
Deal found 7/29$277
This Booking.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/288:05 amYUL - BOS
Nonstop1h 25mAir Canada
Sun 8/3110:20 amBOS - YUL
Nonstop1h 25mAir Canada
Deal found 7/28$285
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:00 amYOW - BOS
1 stop3h 30mAir Canada
Sun 9/76:00 amBOS - YOW
1 stop4h 25mAir Canada
Deal found 7/29$286
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2810:45 amYUL - BOS
1 stop3h 56mPorter Airlines
Sun 9/79:20 amBOS - YUL
1 stop4h 25mPorter Airlines
Deal found 7/28$286
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:00 amYUL - BOS
1 stop5h 51mMultiple Airlines
Sun 8/316:40 pmBOS - YUL
Nonstop1h 25mMultiple Airlines
Deal found 7/30$318

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 2,558,603 searches. Data last updated July 30, 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 10/17

8:20 pm-10:01 pm

Nonstop1h 41m

Boston Logan Intl

Fri 10/24

5:35 pm-7:24 pm

Nonstop1h 49m

$206

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 9/4

4:30 pm-9:55 pm

1 stop5h 25m

Boston Logan Intl

Sun 9/7

6:00 am-7:56 am

Nonstop1h 56m

$208

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Thu 9/4

10:25 am-2:30 pm

1 stop4h 05m

Boston Logan Intl

Sat 9/6

6:45 pm-8:34 pm

Nonstop1h 49m

$217

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sun 9/7

12:40 pm-8:35 pm

1 stop7h 55m

Boston Logan Intl

Wed 9/10

11:14 am-4:33 pm

1 stop5h 19m

$229

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Wed 9/3

10:25 am-2:30 pm

1 stop4h 05m

Boston Logan Intl

Tue 9/9

10:20 am-2:45 pm

1 stop4h 25m

$231

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sun 10/12

9:50 am-11:31 am

Nonstop1h 41m

Boston Logan Intl

Wed 10/15

7:15 pm-9:04 pm

Nonstop1h 49m

$232

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Thu 9/4

7:40 am-6:28 pm

2 stops10h 48m

Boston Logan Intl

Sat 9/6

3:50 pm-8:02 am

2 stops16h 12m

$253

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Mon 9/15

1:45 pm-10:01 pm

2 stops8h 16m

Boston Logan Intl

Tue 9/30

12:15 pm-6:09 pm

1 stop5h 54m

$277

MontrealBoston

YUL - BOS

YULBOS

Montreal Pierre Elliott Trudeau Intl

Thu 8/28

8:05 am-9:30 am

Nonstop1h 25m

Boston Logan Intl

Sun 8/31

10:20 am-11:45 am

Nonstop1h 25m

$285

OttawaBoston

YOW - BOS

YOWBOS

Ottawa

Fri 9/5

6:00 am-9:30 am

1 stop3h 30m

Boston Logan Intl

Sun 9/7

6:00 am-10:25 am

1 stop4h 25m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 60 results
1
2
3
...
6

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

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 July 30, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta, and Air Transat from Ontario to New Hampshire by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

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

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

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
8.0
Very good

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

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

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

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

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

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

Crew

8.7

Entertainment

7.0

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

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 Air Canada ($125), Porter Airlines ($126), and Air Transat ($140).

  • 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.

  • What is the cheapest month to book a flight from Region of Ontario to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to New Hampshire (average of $334). Flying from Region of Ontario to New Hampshire in April is currently the most expensive (average of $396). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.