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$107+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — ONT
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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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 October 31, 2024.

This Alaska Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 12/65:23 pmBOS - ONT
1 stop30h 41mAlaska Airlines
Mon 12/96:00 amONT - BOS
1 stop30h 13mAlaska Airlines
Deal found 10/31$302
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 12/54:58 pmBOS - ONT
1 stop8h 05mAmerican Airlines
Mon 12/96:20 amONT - BOS
1 stop7h 44mAmerican Airlines
Deal found 10/31$308
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/65:00 pmBOS - ONT
1 stop9h 16mDelta
Tue 12/106:00 amONT - BOS
1 stop8h 12mDelta
Deal found 10/30$322
This Travelocity deal was found by Cheapflights users on 10/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2211:34 amBOS - ONT
1 stop15h 13mMultiple Airlines
Sun 11/246:00 amONT - BOS
1 stop15h 59mMultiple Airlines
Deal found 10/30$411
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 12/1210:45 amBOS - ONT
2 stops16h 13mUnited Airlines
Sun 12/153:20 pmONT - BOS
1 stop10h 33mUnited Airlines
Deal found 10/31$413
This Southwest deal was found by Cheapflights users on 10/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/128:55 amBOS - ONT
2 stops10h 00mSouthwest
Tue 12/1711:30 amONT - BOS
2 stops9h 10mSouthwest
Deal found 10/30$425
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 11/1412:59 pmPWM - ONT
2 stops12h 03mAmerican Airlines
Sun 11/1711:59 pmONT - PWM
2 stops12h 32mAmerican Airlines
Deal found 10/31$465
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/61:31 pmPWM - ONT
2 stops11h 52mUnited Airlines
Sat 11/96:00 amONT - PWM
2 stops14h 20mUnited Airlines
Deal found 10/30$590
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:15 pmMHT - ONT
1 stop9h 55mAmerican Airlines
Wed 11/2010:10 amONT - MHT
2 stops9h 43mAmerican Airlines
Deal found 10/30$603
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 10/311:57 pmPWM - ONT
2 stops13h 02mAlaska Airlines
Sat 11/26:00 amONT - PWM
2 stops11h 17mAlaska Airlines
Deal found 10/31$858
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/912:55 pmMHT - ONT
2 stops10h 49mUnited Airlines
Mon 11/116:28 pmONT - MHT
2 stops13h 41mUnited Airlines
Deal found 10/31$888
This Alaska Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/212:45 pmMHT - ONT
2 stops24h 19mAlaska Airlines
Wed 11/207:00 amONT - MHT
3 stops26h 19mAlaska Airlines
Deal found 10/31$1,318

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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 1/27

12:38 pm-11:24 pm

2 stops13h 46m

$107

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 12/11

7:00 am-4:54 pm

1 stop12h 54m

$152

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 12/17

1:10 pm-8:40 pm

1 stop10h 30m

$154

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 12/7

7:00 am-9:04 pm

1 stop17h 04m

$157

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 12/11

7:00 am-10:10 pm

2 stops18h 10m

$165

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 1/16

1:55 pm-12:18 am

2 stops13h 23m

$203

PortlandOntario

PWM - ONT

PWMONT

Portland

Tue 12/17

8:01 pm-1:33 pm

2 stops20h 32m

$141

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 12/28

11:46 am-8:06 am

2 stops23h 20m

$364

ManchesterOntario

MHT - ONT

MHTONT

Manchester

Fri 1/24

12:37 pm-10:16 pm

2 stops12h 39m

$199

PortlandOntario

PWM - ONT

PWMONT

Portland

Sun 11/17

5:30 am-2:00 pm

2 stops11h 30m

$201

Flights are sorted by cheapest first

Deals found on 10/30

Showing 1-10 of 26 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 $288). 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 October 31, 2024.
Read through reviews of airlines operating flights from New Hampshire to Ontario, such as United Airlines, Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

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

Southwest
8.1
Very good
5,116 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,420 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

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

Delta
8.0
Very good
8,835 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

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

United Airlines
7.4
Good
9,240 reviews
Southwest
8.1
Very good
5,116 reviews

Crew

8.7

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

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
5,116 reviews

Crew

8.7

Overall

8.1

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

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.

  • Can I find flights from New Hampshire to Ontario for under $400 on Cheapflights?

    Yes, there are multiple flights from New Hampshire to Ontario for under $400. The cheapest flight booked recently is on Alaska Airlines for just $302, but on average you can expect to pay $515.

  • Are there last-minute flights available from New Hampshire to Ontario for under $500?

    There are currently 11+ open flights from New Hampshire to Ontario within the next 7 days for less than $500.

  • 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 ($107), Delta ($152), and American Airlines ($154).

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

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

  • What does MHT to ONT mean?

    Manchester Airport is MHT and Ontario Airport is ONT. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Portsmouth Pease Intl Airport (PSM), Lebanon Municipal Airport (LEB).

  • Can I find deals for flights from New Hampshire to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your New Hampshire to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from New Hampshire to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter New Hampshire to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from New Hampshire to Ontario that allow pets onboard?

    Many airlines flying from New Hampshire to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from New Hampshire to Ontario?

    Yes, you can often find last-minute deals on New Hampshire to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the New Hampshire to Ontario flight deals updated?

    The New Hampshire to Ontario flight deals you see on this page were last updated on 10/31.

  • 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 $288). 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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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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$410Average$770FlexibilityNo cancel feeOn-time71%
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