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$103+ Cheap flights from New Hampshire to Ontario (ONT)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — ONT
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from New Hampshire to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from New Hampshire (USNH) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$278
(American Airlines)

One-way from

$103
(Trip.com)
From New Hampshire to Ontario
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One-way flight from New Hampshire to Ontario
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Find flight deals from New Hampshire to Ontario

Cheapest flights from New Hampshire to Ontario
Explore the most affordable flight options available from New Hampshire to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:00 amBOS - ONT
1 stop9h 08mDelta
Mon 1/134:05 pmONT - BOS
1 stop11h 50mDelta
Deal found 12/16$441
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:55 amBOS - ONT
2 stops10h 00mSouthwest
Mon 1/135:45 amONT - BOS
1 stop8h 10mSouthwest
Deal found 12/16$471
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/316:48 amBOS - ONT
1 stop8h 14mAmerican Airlines
Sat 1/116:10 amONT - BOS
2 stops10h 13mAmerican Airlines
Deal found 12/17$486
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:25 amBOS - ONT
1 stop12h 28mUnited Airlines
Mon 12/306:50 pmONT - BOS
1 stop9h 27mUnited Airlines
Deal found 12/16$607
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/2212:56 pmPWM - ONT
2 stops12h 06mAmerican Airlines
Sun 1/57:30 pmONT - PWM
2 stops13h 23mAmerican Airlines
Deal found 12/17$808
This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/222:15 pmPWM - ONT
2 stops9h 45mSouthwest
Mon 12/305:05 amONT - PWM
2 stops9h 35mSouthwest
Deal found 12/17$833
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:05 amPWM - ONT
2 stops13h 13mDelta
Sun 1/511:56 amONT - PWM
1 stop9h 12mDelta
Deal found 12/17$912
This United deal was found by Cheapflights users on 12/17. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:00 amPWM - ONT
2 stops14h 53mUnited Airlines
Sun 1/55:05 amONT - PWM
3 stops15h 54mUnited Airlines
Deal found 12/17$1,208
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/224:15 pmPWM - ONT
3 stops20h 30mAlaska Airlines
Sun 1/510:40 amONT - PWM
3 stops30h 29mAlaska Airlines
Deal found 12/17$2,637

Find flights from New Hampshire to Ontario within your budget

Customize your flight search to find flights from New Hampshire to Ontario 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 1/18

6:25 am-11:58 am

1 stop8h 33m

Ontario

Sat 1/25

10:00 am-8:23 pm

1 stop7h 23m

$278

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sun 1/19

6:35 pm-11:43 pm

1 stop8h 08m

Ontario

Thu 1/30

1:21 pm-12:19 am

1 stop7h 58m

$308

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 2/5

9:30 am-6:04 pm

2 stops11h 34m

Ontario

Wed 2/12

6:15 am-5:11 pm

1 stop7h 56m

$313

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 1/25

7:00 am-6:13 pm

1 stop14h 13m

Ontario

Sun 2/9

11:33 am-11:59 pm

1 stop9h 26m

$325

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 2/6

5:34 am-11:50 am

1 stop9h 16m

Ontario

Mon 2/10

1:00 pm-11:55 pm

1 stop7h 55m

$358

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 1/3

6:15 am-2:00 pm

1 stop10h 45m

Ontario

Mon 1/13

11:15 am-9:40 pm

1 stop7h 25m

$381

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 2/6

12:48 pm-11:58 pm

2 stops14h 10m

Ontario

Mon 2/10

4:25 pm-12:06 pm

2 stops16h 41m

$415

ManchesterOntario

MHT - ONT

MHTONT

Manchester

Mon 1/13

12:37 pm-10:45 pm

2 stops13h 08m

Ontario

Sun 1/19

7:00 am-12:43 am

2 stops14h 43m

$426

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 4/16

12:55 pm-6:58 pm

1 stop9h 03m

Ontario

Sun 4/20

5:58 pm-11:55 am

1 stop14h 57m

$522

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 1/16

6:00 am-8:29 pm

3 stops17h 29m

Ontario

Wed 1/22

6:15 am-10:30 pm

2 stops13h 15m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 25 results
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Best time to book a flight from New Hampshire to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from New Hampshire 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.

Travel insights for flights from New Hampshire to Ontario

Get recent, data-driven insights about flights from New Hampshire to Ontario including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from New Hampshire to Ontario (average of $236). Flying from New Hampshire to Ontario in December is currently the most expensive (average of $298). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated December 18, 2024.
Read through reviews of airlines operating flights from New Hampshire to Ontario, such as American Airlines, United Airlines and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,552 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,059 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Comfort

8.1

Overall

8.1

Entertainment

7.7

Boarding

8.2

Crew

8.7

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from New Hampshire?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from New Hampshire. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    The cheapest airlines for a one-way flight from New Hampshire to Ontario are Frontier ($103), American Airlines ($149), and Alaska Airlines ($154).

  • What are the most popular routes from New Hampshire to Ontario?

    Most travelers choose Boston Logan Intl - Ontario, Portland - Ontario or Manchester - Ontario when deciding on the best route from New Hampshire to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Hampshire to Ontario 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 New Hampshire to Ontario?

    Currently, September is the cheapest month in which you can book a flight from New Hampshire to Ontario (average of $236). Flying from New Hampshire to Ontario in December is currently the most expensive (average of $298). 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

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Alternative routes for New Hampshire to Ontario

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

Discover the top airline that operate flights from New Hampshire to Ontario. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$410Average$770FlexibilityNo cancel feeOn-time71%
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