How long does it take to fly to Ontario?

Average flight duration from New Hampshire to Ontario depends on which airport you fly into and out of. Flying from Manchester to Los Angeles is 7h 45m on average, while flying from Lebanon to Los Angeles is 11h 15m on average. Los Angeles is the most popular airport in Ontario.

What is the cheapest airline that flies from New Hampshire to Ontario?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from New Hampshire to Ontario

What airlines fly to Ontario?

Southwest, American Airlines and JetBlue are the top three most popular airlines that fly to Ontario from New Hampshire according to our data. Southwest is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from New Hampshire to Ontario Airport?

Prices for flights from New Hampshire to Ontario Airport are refreshed on a daily basis.

How many operators does momondo search for flights from New Hampshire to Ontario Airport?

There are 5 operators available for flights from New Hampshire to Ontario Airport as of March 2026.

How old do you have to be to fly from New Hampshire to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$112 Cheap Flights from New Hampshire to Ontario in 2026

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Find the cheapest flights from New Hampshire to Los Angeles

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 pm - 8:05 pm

BOS

ONT

30h 20m

1 stop

11:55 pm - 12:40 pm

ONT

BOS

9h 45m

1 stop

$242Southwest

Wed, Apr 29 - Thu, Apr 30

5:15 am - 9:55 am

BOS

ONT

7h 40m

1 stop

9:55 pm - 9:45 am

ONT

BOS

8h 50m

1 stop

$259Southwest

Fri, Apr 24 - Mon, Apr 27

2:40 pm - 10:07 pm

BOS

ONT

10h 27m

2 stops

11:58 pm - 12:16 pm

ONT

BOS

9h 18m

2 stops

$269American Airlines

Tue, Mar 24 - Tue, Mar 31

4:33 pm - 11:59 pm

BOS

ONT

10h 26m

1 stop

10:39 am - 11:59 pm

ONT

BOS

10h 20m

1 stop

$278Alaska Airlines

Fri, May 1 - Mon, May 4

2:02 pm - 8:54 pm

BOS

ONT

9h 52m

1 stop

11:59 pm - 11:52 am

ONT

BOS

8h 53m

1 stop

$279American Airlines

Tue, Apr 14 - Sat, Apr 18

5:45 am - 12:47 pm

BOS

ONT

10h 02m

2 stops

6:30 pm - 5:58 am

ONT

BOS

8h 28m

1 stop

$294United Airlines

Thu, May 28 - Mon, Jun 1

6:10 pm - 9:39 am

BOS

ONT

18h 29m

1 stop

7:00 am - 5:53 am

ONT

BOS

19h 53m

1 stop

$296Alaska Airlines

Mon, Mar 30 - Wed, Apr 8

1:35 pm - 9:56 pm

PWM

ONT

11h 21m

1 stop

10:59 pm - 12:22 pm

ONT

PWM

10h 23m

1 stop

$389Delta

Thu, Aug 20 - Sun, Aug 23

6:30 am - 6:01 pm

PWM

ONT

14h 31m

2 stops

10:59 pm - 12:22 pm

ONT

PWM

10h 23m

1 stop

$394Delta

Thu, Aug 20 - Sun, Aug 23

4:50 pm - 10:35 pm

PWM

ONT

8h 45m

1 stop

5:00 am - 3:41 pm

ONT

PWM

7h 41m

1 stop

$400United Airlines

Mon, May 4 - Fri, May 8

American Airlines flights from New Hampshire to Ontario

Our best American Airlines deals on New Hampshire to Ontario flight tickets

American Airlines

Mar 24

BOS2:40 pmBoston Logan Intl

10h 27m

2 stops

ONT10:07 pmOntario

Mar 31

ONT11:58 pmOntario

9h 18m

2 stops

BOS12:16 pmBoston Logan Intl

$269

American Airlines

Mar 17

BOS6:45 amBoston Logan Intl

10h 03m

1 stop

ONT1:48 pmOntario

Mar 24

ONT12:22 pmOntario

8h 37m

1 stop

BOS11:59 pmBoston Logan Intl

$278

American Airlines

Apr 14

BOS2:02 pmBoston Logan Intl

9h 52m

1 stop

ONT8:54 pmOntario

Apr 18

ONT11:59 pmOntario

8h 53m

1 stop

BOS11:52 amBoston Logan Intl

$279

Alaska Airlines flights from New Hampshire to Ontario

Our best Alaska Airlines deals on New Hampshire to Ontario flight tickets

Alaska Airlines

May 1

BOS4:33 pmBoston Logan Intl

10h 26m

1 stop

ONT11:59 pmOntario

May 4

ONT10:39 amOntario

10h 20m

1 stop

BOS11:59 pmBoston Logan Intl

$278

Alaska Airlines

Mar 30

BOS6:10 pmBoston Logan Intl

18h 29m

1 stop

ONT9:39 amOntario

Apr 8

ONT7:00 amOntario

19h 53m

1 stop

BOS5:53 amBoston Logan Intl

$296

Alaska Airlines

May 1

BOS4:33 pmBoston Logan Intl

10h 26m

1 stop

ONT11:59 pmOntario

May 8

ONT7:59 pmOntario

16h 34m

1 stop

BOS3:33 pmBoston Logan Intl

$301

Fly from

Fly to

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 4/29

4:45 pm-8:05 pm

1 stop30h 20m

Ontario

Thu 4/30

11:55 pm-12:40 pm

1 stop9h 45m

$242

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 4/24

5:15 am-9:55 am

1 stop7h 40m

Ontario

Mon 4/27

9:55 pm-9:45 am

1 stop8h 50m

$259

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 3/24

2:40 pm-10:07 pm

2 stops10h 27m

Ontario

Tue 3/31

11:58 pm-12:16 pm

2 stops9h 18m

$269

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 5/1

4:33 pm-11:59 pm

1 stop10h 26m

Ontario

Mon 5/4

10:39 am-11:59 pm

1 stop10h 20m

$278

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 4/14

2:02 pm-8:54 pm

1 stop9h 52m

Ontario

Sat 4/18

11:59 pm-11:52 am

1 stop8h 53m

$279

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 5/28

5:45 am-12:47 pm

2 stops10h 02m

Ontario

Mon 6/1

6:30 pm-5:58 am

1 stop8h 28m

$294

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 3/30

6:10 pm-9:39 am

1 stop18h 29m

Ontario

Wed 4/8

7:00 am-5:53 am

1 stop19h 53m

$296

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 8/20

1:35 pm-9:56 pm

1 stop11h 21m

Ontario

Sun 8/23

10:59 pm-12:22 pm

1 stop10h 23m

$389

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 8/20

6:30 am-6:01 pm

2 stops14h 31m

Ontario

Sun 8/23

10:59 pm-12:22 pm

1 stop10h 23m

$394

PortlandOntario

PWM - ONT

PWMONT

Portland

Mon 5/4

4:50 pm-10:35 pm

1 stop8h 45m

Ontario

Fri 5/8

5:00 am-3:41 pm

1 stop7h 41m

$400

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How to get the cheapest flight ticket from New Hampshire to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Other information

What is the cheapest month to fly to Ontario?

In general, May is the cheapest month to fly from New Hampshire to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $351. If you aren’t able to travel during the month of May, then book flights to Ontario from New Hampshire during July instead. Flights to Ontario in July, while not as cheap as those in May, still average around $358.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from New Hampshire when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from New Hampshire for as low as $301 on momondo.

Can stopping save me money on New Hampshire to Ontario flights?

You could potentially save up to 4% on your flight if you consider stops on a New Hampshire to Ontario flight.

Cheap New Hampshire to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Ontario

Fastest flight time	7h 40m
Direct flights	None

The fastest flight from New Hampshire to Ontario takes 7h 40m

There are no direct flights from New Hampshire to Ontario. There are no popular flight routes from New Hampshire to Ontario.

Search flight deals

When did momondo last update prices for flights from New Hampshire to Ontario Airport?
Prices for flights from New Hampshire to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from New Hampshire to Ontario Airport?
There are 5 operators available for flights from New Hampshire to Ontario Airport as of March 2026.
How old do you have to be to fly from New Hampshire to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Hampshire to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from New Hampshire to Ontario

Compare and see reviews for airlines that fly from New Hampshire to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $346	Free Cancellation	Rating 8.0 4,304 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from New Hampshire to Ontario?

It is quick and easy to find New Hampshire to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from New Hampshire to Ontario with flexible booking policies on momondo?

All flight searches from New Hampshire to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New Hampshire to Ontario?

Once all potential New Hampshire to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New Hampshire to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from New Hampshire are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from New Hampshire to Los Angeles from $112

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Hampshire to Los Angeles departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from New Hampshire to Ontario

What is the cheapest month to fly to Ontario?

How far in advance should I book a flight to Ontario?

Can stopping save me money on New Hampshire to Ontario flights?

What is the cheapest airline that flies from New Hampshire to Ontario?

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Cheap New Hampshire to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Hampshire to Ontario

Fastest flight time

Direct flights

Best airlines flying from New Hampshire to Ontario

Compare and see reviews for airlines that fly from New Hampshire to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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