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Ontario

$123+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
MHT — ONT
Jul 8 — Jul 151
Wed 7/8
Wed 7/15
1 adult, Economy
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Cheap 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 June 8, 2026.

This JetBlue deal was found by Cheapflights users on 6/7. 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.
Wed 8/192:40 pm
PWM
-
ONT
1 stop10h 55m
JetBlue
Sat 8/2211:24 pm
ONT
-
PWM
1 stop9h 57m
JetBlue
Deal found 6/7$296
This Delta deal was found by Cheapflights users on 6/6. 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 7/31:55 pm
PWM
-
ONT
1 stop10h 53m
Delta
Tue 7/711:48 am
ONT
-
PWM
1 stop8h 26m
Delta
Deal found 6/6$297
This Alaska Airlines deal was found by Cheapflights users on 6/3. 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.
Tue 9/17:12 am
BOS
-
ONT
1 stop9h 57m
Alaska Airlines
Sat 9/56:05 pm
ONT
-
BOS
1 stop9h 04m
Alaska Airlines
Deal found 6/3$359
This JetBlue deal was found by Cheapflights users on 6/5. 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.
Thu 8/202:40 pm
PWM
-
ONT
1 stop10h 55m
JetBlue
Sun 8/2311:50 pm
ONT
-
PWM
1 stop10h 55m
JetBlue
Deal found 6/5$362
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Fri 7/177:00 am
BOS
-
ONT
1 stop8h 02m
American Airlines
Wed 8/1912:59 pm
ONT
-
BOS
1 stop7h 25m
American Airlines
Deal found 6/4$367
This American Airlines deal was found by Cheapflights users on 6/3. 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 7/16:00 am
BOS
-
ONT
1 stop10h 28m
American Airlines
Tue 7/712:35 pm
ONT
-
BOS
1 stop8h 24m
American Airlines
Deal found 6/3$369
This American Airlines deal was found by Cheapflights users on 6/7. 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 12/166:00 am
PWM
-
ONT
2 stops13h 01m
American Airlines
Wed 1/66:00 am
ONT
-
PWM
2 stops14h 40m
American Airlines
Deal found 6/7$371
This Travelocity deal was found by Cheapflights users on 6/7. 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.
Wed 12/210:45 am
BOS
-
ONT
2 stops14h 54m
Alaska Airlines
Tue 12/812:00 pm
ONT
-
BOS
1 stop9h 05m
Alaska Airlines
Deal found 6/7$372
This Super.com deal was found by Cheapflights users on 6/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:30 pm
BOS
-
ONT
1 stop9h 05m
JetBlue
Sun 8/911:50 pm
ONT
-
BOS
1 stop8h 31m
JetBlue
Deal found 6/7$373
This Southwest deal was found by Cheapflights users on 6/5. 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 6/305:00 am
BOS
-
ONT
1 stop10h 40m
Southwest
Tue 7/145:30 am
ONT
-
BOS
2 stops9h 30m
Southwest
Deal found 6/5$374
This JetBlue deal was found by Cheapflights users on 6/5. 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 7/105:09 pm
BOS
-
ONT
1 stop8h 27m
JetBlue
Mon 7/1311:51 pm
ONT
-
BOS
1 stop8h 42m
JetBlue
Deal found 6/5$377
This Southwest deal was found by Cheapflights users on 6/3. 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 7/225:30 am
PWM
-
ONT
1 stop9h 35m
Southwest
Wed 7/298:30 am
ONT
-
PWM
2 stops11h 30m
Southwest
Deal found 6/3$377

Find flight deals from New Hampshire to Ontario

Keep the following information in mind while searching for New Hampshire to Ontario flight deals. Data was last updated June 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(JetBlue)

One-way from

$123
(Super.com)

Popular in

April

Cheapest in

January

Average price

$412
Provider with most accurate pricing for Boston Logan Intl-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Los Angeles flights.
Search Deals
From New Hampshire to Ontario
Search Deals
One-way flight from New Hampshire to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
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 June 8, 2026.
Use the filters below to find and compare flights from New Hampshire to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOntario

PWM - ONT

PWMONT

Portland

Wed 8/19

2:40 pm-10:35 pm

1 stop10h 55m

Ontario

Sat 8/22

11:24 pm-12:21 pm

1 stop9h 57m

$296

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 8/20

2:40 pm-10:35 pm

1 stop10h 55m

Ontario

Sun 8/23

11:50 pm-1:45 pm

1 stop10h 55m

$362
Quickest round-trip

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 10/15

5:00 am-9:50 am

1 stop7h 50m

Ontario

Mon 10/19

11:55 pm-11:35 am

1 stop8h 40m

$378

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 7/3

4:30 pm-9:48 pm

1 stop8h 18m

Ontario

Wed 9/16

11:59 am-1:17 am

1 stop10h 18m

$383

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 8/13

6:05 am-12:05 pm

1 stop9h 00m

Ontario

Mon 8/17

10:00 pm-9:39 am

1 stop8h 39m

$388

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 7/3

5:20 pm-10:25 pm

1 stop8h 05m

Ontario

Wed 7/29

5:30 am-6:00 pm

2 stops9h 30m

$394

PortlandOntario

PWM - ONT

PWMONT

Portland

Wed 7/22

5:30 am-12:40 pm

2 stops10h 10m

Ontario

Wed 7/29

8:30 am-11:00 pm

2 stops11h 30m

$403

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 9/15

10:03 am-7:03 pm

1 stop12h 00m

Ontario

Thu 9/24

6:14 pm-6:09 am

1 stop8h 55m

$418

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 8/20

7:59 pm-4:10 pm

2 stops23h 11m

Ontario

Sun 8/23

10:47 am-6:09 am

1 stop16h 22m

$420

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 7/1

3:54 pm-9:55 pm

1 stop9h 01m

Ontario

Sat 7/4

6:00 am-5:04 pm

1 stop8h 04m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 58 resultsSorted by cheapest first
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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.

Cheapflights Insights

Everything you need to know about your flight from New Hampshire to Ontario
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from New Hampshire to Ontario?

    Departing from New Hampshire to Ontario will take you 8h 12m. New Hampshire and Ontario are separated by a distance of 2559 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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 June 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$378Average$456FlexibilityNo cancel feeOn-time63%

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