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New Hampshire

$95+ Cheap flights from Ontario (ONT) 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MHT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Ontario to New Hampshire

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to New Hampshire (USNH). 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 January 21, 2025.

Round-trip from

$191
(Frontier)

One-way from

$95
(Mytrip)
From Ontario to New Hampshire
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One-way flight from Ontario to New Hampshire
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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 January 21, 2025.

This Frontier deal was found by Cheapflights users on 1/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:59 pmONT - BOS
1 stop13h 56mFrontier
Wed 4/912:55 pmBOS - ONT
1 stop9h 03mFrontier
Deal found 1/21$191
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/1510:50 pmONT - BOS
1 stop9h 08mAmerican Airlines
Tue 2/182:31 pmBOS - ONT
1 stop9h 31mAmerican Airlines
Deal found 1/20$269
This JetBlue deal was found by Cheapflights users on 1/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2011:45 pmONT - PWM
1 stop10h 38mJetBlue
Sun 6/292:20 pmPWM - ONT
1 stop11h 10mJetBlue
Deal found 1/21$271
This Delta deal was found by Cheapflights users on 1/21. 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.
Sat 8/210:59 pmONT - PWM
1 stop9h 40mDelta
Thu 8/1412:30 pmPWM - ONT
1 stop9h 59mDelta
Deal found 1/21$307
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/287:14 pmONT - BOS
1 stop9h 30mAlaska Airlines
Mon 3/36:24 pmBOS - ONT
1 stop19h 38mAlaska Airlines
Deal found 1/20$308
This Delta deal was found by Cheapflights users on 1/21. 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 2/284:05 pmONT - BOS
1 stop11h 50mDelta
Mon 3/36:35 pmBOS - ONT
1 stop8h 16mDelta
Deal found 1/21$309
This Southwest deal was found by Cheapflights users on 1/21. 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.
Wed 4/211:25 amONT - BOS
1 stop9h 40mSouthwest
Mon 4/75:50 amBOS - ONT
2 stops9h 55mSouthwest
Deal found 1/21$322
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 2/75:10 amONT - BOS
1 stop7h 38mUnited Airlines
Tue 2/117:00 amBOS - ONT
1 stop8h 41mUnited Airlines
Deal found 1/20$336
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/56:00 amONT - ORH
2 stops29h 01mAmerican Airlines
Sun 2/92:31 pmORH - ONT
2 stops21h 38mAmerican Airlines
Deal found 1/21$357
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/199:32 amONT - MHT
2 stops12h 08mAmerican Airlines
Wed 3/265:40 amMHT - ONT
2 stops12h 52mAmerican Airlines
Deal found 1/20$422
This Southwest deal was found by Cheapflights users on 1/21. 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.
Wed 6/189:00 amONT - PWM
2 stops11h 25mSouthwest
Tue 6/245:30 amPWM - ONT
2 stops10h 30mSouthwest
Deal found 1/21$469
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 5/286:47 amONT - PWM
2 stops12h 34mAmerican Airlines
Thu 6/56:30 pmPWM - ONT
1 stop8h 03mAmerican Airlines
Deal found 1/21$538

Find flights from Ontario to New Hampshire within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 4/1

6:59 pm-11:55 am

1 stop13h 56m

Boston Logan Intl

Wed 4/9

12:55 pm-6:58 pm

1 stop9h 03m

$191

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 2/15

10:50 pm-10:58 am

1 stop9h 08m

Boston Logan Intl

Tue 2/18

2:31 pm-9:02 pm

1 stop9h 31m

$269

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Fri 6/20

11:45 pm-1:23 pm

1 stop10h 38m

Portland

Sun 6/29

2:20 pm-10:30 pm

1 stop11h 10m

$271

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 2/28

7:14 pm-7:44 am

1 stop9h 30m

Boston Logan Intl

Mon 3/3

7:00 am-6:19 pm

1 stop14h 19m

$308

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 2/28

4:05 pm-6:55 am

1 stop11h 50m

Boston Logan Intl

Mon 3/3

6:35 pm-11:51 pm

1 stop8h 16m

$309

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 4/2

11:25 am-12:05 am

1 stop9h 40m

Boston Logan Intl

Mon 4/7

5:50 am-12:45 pm

2 stops9h 55m

$322

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 2/7

5:10 am-3:48 pm

1 stop7h 38m

Boston Logan Intl

Tue 2/11

7:00 am-12:41 pm

1 stop8h 41m

$336

OntarioWorcester

ONT - ORH

ONTORH

Ontario

Wed 2/5

6:00 am-2:01 pm

2 stops29h 01m

Worcester

Sun 2/9

2:31 pm-9:09 am

2 stops21h 38m

$357

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Wed 3/19

9:32 am-12:40 am

2 stops12h 08m

Manchester

Wed 3/26

5:40 am-3:32 pm

2 stops12h 52m

$422

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Wed 6/18

9:00 am-11:25 pm

2 stops11h 25m

Portland

Tue 6/24

5:30 am-1:00 pm

2 stops10h 30m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 33 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.

Travel insights for flights from Ontario to New Hampshire

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

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

Currently, January is the cheapest month in which you can book a flight from Ontario to New Hampshire (average of $334). Flying from Ontario to New Hampshire in June is currently the most expensive (average of $453). 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.

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 January 21, 2025.
See what other customers who have flown with American Airlines, United Airlines and Alaska 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.
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

JetBlue
7.4
Good
3,201 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
8,985 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Entertainment

7.7

Boarding

8.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

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

    For a flight from Ontario to New Hampshire, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $95. United Airlines flights start at $135 while deals on American Airlines start at $136 one-way.

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

    The most popular route from Ontario to New Hampshire is Ontario - Boston Logan Intl. You may also consider Ontario - Portland or Ontario - Manchester.

  • 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 Ontario to New Hampshire?

    Currently, January is the cheapest month in which you can book a flight from Ontario to New Hampshire (average of $334). Flying from Ontario to New Hampshire in June is currently the most expensive (average of $453). 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 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$416Average$719FlexibilityNo cancel feeOn-time71%
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