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 8h 30m on average, while flying from Lebanon to Los Angeles is 9h 32m on average. Los Angeles is the most popular airport in 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 46% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating 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 January 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.

$116 Cheap Flights from New Hampshire to Ontario in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from New Hampshire to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:36 pm - 11:52 pm

BOS

ONT

10h 16m

1 stop

12:02 pm - 11:59 pm

ONT

BOS

8h 57m

1 stop

$239Hawaiian Airlines

Wed, Feb 25 - Wed, Mar 4

7:00 am - 3:08 pm

BOS

ONT

11h 08m

1 stop

11:53 am - 11:54 pm

ONT

BOS

9h 01m

1 stop

$259Alaska Airlines

Tue, Feb 3 - Sat, Feb 7

12:29 pm - 10:19 pm

PWM

ONT

12h 50m

2 stops

11:58 pm - 11:59 am

ONT

PWM

9h 01m

2 stops

$262American Airlines

Wed, Feb 25 - Tue, Mar 3

12:15 pm - 8:58 pm

BOS

ONT

11h 43m

2 stops

6:00 am - 5:13 pm

ONT

BOS

8h 13m

1 stop

$264United Airlines

Wed, Feb 4 - Sat, Feb 7

12:15 pm - 8:58 pm

BOS

ONT

11h 43m

2 stops

5:05 am - 5:24 pm

ONT

BOS

9h 19m

2 stops

$270United Airlines

Wed, Feb 4 - Sat, Feb 7

9:45 am - 5:22 pm

BOS

ONT

10h 37m

1 stop

11:59 pm - 11:31 am

ONT

BOS

8h 32m

1 stop

$278American Airlines

Thu, Jan 29 - Mon, Feb 2

5:35 am - 11:31 am

BOS

ONT

8h 56m

1 stop

12:41 pm - 1:04 am

ONT

BOS

9h 23m

1 stop

$297Delta

Sun, Feb 1 - Sat, Feb 7

5:31 am - 12:02 pm

PWM

ONT

9h 31m

1 stop

10:20 pm - 11:18 am

ONT

PWM

9h 58m

2 stops

$350Delta

Wed, Feb 25 - Tue, Mar 3

7:20 am - 2:10 pm

MHT

ONT

9h 50m

1 stop

9:55 pm - 8:30 am

ONT

MHT

7h 35m

1 stop

$411Southwest

Mon, Mar 30 - Wed, Apr 1

7:20 am - 2:10 pm

MHT

ONT

9h 50m

1 stop

6:35 pm - 8:30 am

ONT

MHT

10h 55m

2 stops

$416Southwest

Mon, Mar 30 - Wed, Apr 1

American Airlines flights from New Hampshire to Ontario

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

American Airlines

Feb 25

PWM12:29 pmPortland

12h 50m

2 stops

ONT10:19 pmOntario

Mar 3

ONT11:58 pmOntario

9h 01m

2 stops

PWM11:59 amPortland

$262

American Airlines

Jan 29

BOS9:45 amBoston Logan Intl

12h 00m

1 stop

ONT6:45 pmOntario

Feb 4

ONT9:59 amOntario

7h 33m

1 stop

BOS8:32 pmBoston Logan Intl

$278

American Airlines

Jan 29

BOS12:11 pmBoston Logan Intl

9h 34m

1 stop

ONT6:45 pmOntario

Feb 4

ONT9:59 amOntario

9h 57m

2 stops

BOS10:56 pmBoston Logan Intl

$283

Southwest flights from New Hampshire to Ontario

Our best Southwest deals on New Hampshire to Ontario flight tickets

Southwest

Feb 23

BOS1:35 pmBoston Logan Intl

10h 45m

2 stops

ONT9:20 pmOntario

Feb 26

ONT12:40 pmOntario

7h 15m

1 stop

BOS10:55 pmBoston Logan Intl

$303

Southwest

Feb 26

BOS6:10 pmBoston Logan Intl

8h 25m

1 stop

ONT11:35 pmOntario

Mar 1

ONT7:20 pmOntario

10h 00m

2 stops

BOS8:20 amBoston Logan Intl

$363

Southwest

Mar 30

MHT7:20 amManchester

9h 50m

1 stop

ONT2:10 pmOntario

Apr 1

ONT9:55 pmOntario

7h 35m

1 stop

MHT8:30 amManchester

$411

Fly from

Fly to

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 2/25

4:36 pm-11:52 pm

1 stop10h 16m

Ontario

Wed 3/4

12:02 pm-11:59 pm

1 stop8h 57m

$239

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 2/3

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Sat 2/7

11:53 am-11:54 pm

1 stop9h 01m

$259

PortlandOntario

PWM - ONT

PWMONT

Portland

Wed 2/25

12:29 pm-10:19 pm

2 stops12h 50m

Ontario

Tue 3/3

11:58 pm-11:59 am

2 stops9h 01m

$262

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 2/4

12:15 pm-8:58 pm

2 stops11h 43m

Ontario

Sat 2/7

6:00 am-5:13 pm

1 stop8h 13m

$264

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 2/4

12:15 pm-8:58 pm

2 stops11h 43m

Ontario

Sat 2/7

5:05 am-5:24 pm

2 stops9h 19m

$270

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 1/29

9:45 am-5:22 pm

1 stop10h 37m

Ontario

Mon 2/2

11:59 pm-11:31 am

1 stop8h 32m

$278

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sun 2/1

5:35 am-11:31 am

1 stop8h 56m

Ontario

Sat 2/7

12:41 pm-1:04 am

1 stop9h 23m

$297

PortlandOntario

PWM - ONT

PWMONT

Portland

Wed 2/25

5:31 am-12:02 pm

1 stop9h 31m

Ontario

Tue 3/3

10:20 pm-11:18 am

2 stops9h 58m

$350

ManchesterOntario

MHT - ONT

MHTONT

Manchester

Mon 3/30

7:20 am-2:10 pm

1 stop9h 50m

Ontario

Wed 4/1

9:55 pm-8:30 am

1 stop7h 35m

$411

ManchesterOntario

MHT - ONT

MHTONT

Manchester

Mon 3/30

7:20 am-2:10 pm

1 stop9h 50m

Ontario

Wed 4/1

6:35 pm-8:30 am

2 stops10h 55m

$416

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, 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 $358. 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 $415 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 $296 on momondo.

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

You could potentially save up to 18% 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	8h 06m
Direct flights	None

The fastest flight from New Hampshire to Ontario takes 8h 06m

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 January 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 4,256 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 2/11

Wed 2/18

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $33

Flights to Chicagofrom $58

Flights to Orlandofrom $37

Flights to San Franciscofrom $48

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $57

Flights to Bostonfrom $59

Flights to Atlantafrom $49

Flights to Dallasfrom $40

Flights to Seattlefrom $54

Cheap flights from New Hampshire to Los Angeles from $116

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 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from New Hampshire to Los Angeles

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

American Airlines flights from New Hampshire to Ontario

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

Southwest flights from New Hampshire to Ontario

Our best Southwest deals on New Hampshire to Ontario flight tickets

momondo Fare Finder

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

See travel insights to Los Angeles from

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?

You could potentially save up to 18% on your flight if you consider stops on a New Hampshire to Ontario flight.

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

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

What airlines fly to Ontario?

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 8h 30m on average, while flying from Lebanon to Los Angeles is 9h 32m on average. Los Angeles is the most popular airport in 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

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

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

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

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

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?

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

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

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

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

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

Airports servicing California