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

Frontier, United Airlines, and JetBlue 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 55% 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.

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 30m on average, while flying from Lebanon to Los Angeles is 9h 56m on average. Los Angeles is the most popular airport in Ontario.

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 April 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.

$114 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

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5:05 pm - 11:48 pm

BOS

ONT

9h 43m

1 stop

10:39 am - 11:59 pm

ONT

BOS

10h 20m

1 stop

$293Alaska Airlines

Sat, May 2 - Sat, May 9

7:20 am - 1:15 pm

BOS

ONT

8h 55m

1 stop

9:55 pm - 9:45 am

ONT

BOS

8h 50m

1 stop

$295Southwest

Tue, May 12 - Mon, May 18

3:00 pm - 9:00 pm

BOS

ONT

9h 00m

1 stop

10:00 pm - 9:46 am

ONT

BOS

8h 46m

1 stop

$297Delta

Wed, May 6 - Sat, May 9

5:35 am - 11:36 am

BOS

ONT

9h 01m

1 stop

10:00 pm - 9:46 am

ONT

BOS

8h 46m

1 stop

$298Delta

Thu, Apr 30 - Sat, May 9

12:45 pm - 6:33 pm

BOS

ONT

8h 48m

1 stop

10:00 pm - 9:46 am

ONT

BOS

8h 46m

1 stop

$300Delta

Thu, Apr 30 - Sat, May 9

3:18 pm - 10:40 pm

BOS

ONT

10h 22m

1 stop

7:12 pm - 8:41 am

ONT

BOS

10h 29m

2 stops

$302American Airlines

Tue, May 12 - Tue, Jun 2

11:11 am - 6:24 pm

BOS

ONT

10h 13m

2 stops

7:12 pm - 8:41 am

ONT

BOS

10h 29m

2 stops

$307American Airlines

Tue, May 12 - Tue, Jun 2

7:00 am - 2:32 pm

BOS

ONT

10h 32m

1 stop

10:39 am - 11:59 pm

ONT

BOS

10h 20m

1 stop

$309Alaska Airlines

Tue, May 5 - Wed, May 6

2:37 pm - 8:47 pm

PWM

ONT

9h 10m

1 stop

11:53 pm - 1:35 pm

ONT

PWM

10h 42m

1 stop

$329JetBlue

Tue, Jun 9 - Tue, Jun 16

2:30 pm - 10:38 pm

PWM

ONT

11h 08m

1 stop

11:53 pm - 1:35 pm

ONT

PWM

10h 42m

1 stop

$366JetBlue

Thu, Jun 11 - Tue, Jun 16

Delta flights from New Hampshire to Ontario

Our best Delta deals on New Hampshire to Ontario flight tickets

Delta

May 7

BOS6:10 amBoston Logan Intl

9h 09m

1 stop

ONT12:19 pmOntario

May 16

ONT5:55 pmOntario

9h 25m

1 stop

BOS6:20 amBoston Logan Intl

$297

Delta

Apr 30

BOS5:35 amBoston Logan Intl

9h 01m

1 stop

ONT11:36 amOntario

May 6

ONT12:49 pmOntario

9h 26m

1 stop

BOS1:15 amBoston Logan Intl

$298

Delta

Apr 30

BOS12:45 pmBoston Logan Intl

8h 48m

1 stop

ONT6:33 pmOntario

May 9

ONT10:00 pmOntario

8h 46m

1 stop

BOS9:46 amBoston Logan Intl

$300

American Airlines flights from New Hampshire to Ontario

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

American Airlines

May 12

BOS3:18 pmBoston Logan Intl

10h 22m

1 stop

ONT10:40 pmOntario

Jun 2

ONT7:12 pmOntario

10h 29m

2 stops

BOS8:41 amBoston Logan Intl

$302

American Airlines

May 12

BOS11:11 amBoston Logan Intl

10h 13m

2 stops

ONT6:24 pmOntario

Jun 2

ONT7:12 pmOntario

10h 29m

2 stops

BOS8:41 amBoston Logan Intl

$307

American Airlines

May 28

BOS5:05 pmBoston Logan Intl

7h 52m

1 stop

ONT9:57 pmOntario

Jun 1

ONT7:12 pmOntario

10h 29m

2 stops

BOS8:41 amBoston Logan Intl

$323

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 5/2

5:05 pm-11:48 pm

1 stop9h 43m

Ontario

Sat 5/9

10:39 am-11:59 pm

1 stop10h 20m

$293

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 5/12

7:20 am-1:15 pm

1 stop8h 55m

Ontario

Mon 5/18

9:55 pm-9:45 am

1 stop8h 50m

$295

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 5/6

3:00 pm-9:00 pm

1 stop9h 00m

Ontario

Sat 5/9

10:00 pm-9:46 am

1 stop8h 46m

$297

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 4/30

5:35 am-11:36 am

1 stop9h 01m

Ontario

Sat 5/9

10:00 pm-9:46 am

1 stop8h 46m

$298

Quickest round-trip

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 4/30

12:45 pm-6:33 pm

1 stop8h 48m

Ontario

Sat 5/9

10:00 pm-9:46 am

1 stop8h 46m

$300

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 5/12

3:18 pm-10:40 pm

1 stop10h 22m

Ontario

Tue 6/2

7:12 pm-8:41 am

2 stops10h 29m

$302

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 5/12

11:11 am-6:24 pm

2 stops10h 13m

Ontario

Tue 6/2

7:12 pm-8:41 am

2 stops10h 29m

$307

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 5/5

7:00 am-2:32 pm

1 stop10h 32m

Ontario

Wed 5/6

10:39 am-11:59 pm

1 stop10h 20m

$309

PortlandOntario

PWM - ONT

PWMONT

Portland

Tue 6/9

2:37 pm-8:47 pm

1 stop9h 10m

Ontario

Tue 6/16

11:53 pm-1:35 pm

1 stop10h 42m

$329

PortlandOntario

PWM - ONT

PWMONT

Portland

Thu 6/11

2:30 pm-10:38 pm

1 stop11h 08m

Ontario

Tue 6/16

11:53 pm-1:35 pm

1 stop10h 42m

$366

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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

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, February 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 $317. If you aren’t able to travel during the month of February, then book flights to Ontario from New Hampshire during May instead. Flights to Ontario in May, while not as cheap as those in February, still average around $345.

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 $400 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 $276 on momondo.

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

You could potentially save up to 20% 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 49m
Direct flights	None

The fastest flight from New Hampshire to Ontario takes 7h 49m

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

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Frequently asked questions about flying from New Hampshire to Ontario

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 April 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 $378	Free Cancellation	Rating 8.0 4,330 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

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Cheap flights from New Hampshire to Los Angeles from $114

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 5/13. 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

Frequently asked questions about flying from New Hampshire to Ontario

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

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