How many flights depart from Ontario to New Hampshire on average per week?

3 flights are operational weekly from Ontario to New Hampshire as of March 2026. The most popular departure day for this route is Wed, with 33% of flights per week taking off on this day.

What airlines fly to New Hampshire?

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

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

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

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

Prices for flights from Ontario Airport to New Hampshire were last updated today.

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

As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to New Hampshire.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to New Hampshire.

What documentation or ID do you need to fly to New Hampshire?

The travel and health documents required for your trip to New Hampshire 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 New Hampshire. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$98 Cheap Flights from Ontario to New Hampshire in 2026

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Find the cheapest flights from Ontario to New Hampshire

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:55 pm - 12:05 am

ONT

BOS

7h 10m

1 stop

9:15 am - 4:20 pm

BOS

ONT

10h 05m

1 stop

$205Southwest

Tue, May 12 - Wed, May 27

1:20 pm - 11:50 pm

ONT

BOS

7h 30m

1 stop

12:55 pm - 8:35 pm

BOS

ONT

10h 40m

1 stop

$224Southwest

Sat, May 9 - Tue, May 12

1:20 pm - 11:50 pm

ONT

BOS

7h 30m

1 stop

2:25 pm - 9:30 pm

BOS

ONT

10h 05m

2 stops

$229Southwest

Sat, May 9 - Tue, May 12

9:55 pm - 8:15 am

ONT

BOS

7h 20m

1 stop

5:05 pm - 10:40 pm

BOS

ONT

8h 35m

1 stop

$243Southwest

Mon, Apr 20 - Mon, Apr 27

12:19 pm - 12:24 am

ONT

BOS

9h 05m

1 stop

11:51 am - 8:27 pm

BOS

ONT

11h 36m

1 stop

$244American Airlines

Fri, May 1 - Tue, May 5

6:00 am - 11:28 pm

ONT

PWM

14h 28m

2 stops

4:28 pm - 10:31 pm

PWM

ONT

9h 03m

1 stop

$312United Airlines

Tue, Apr 14 - Tue, Apr 21

11:59 pm - 3:09 pm

ONT

PWM

12h 10m

2 stops

7:07 am - 4:22 pm

PWM

ONT

12h 15m

2 stops

$345American Airlines

Tue, Apr 28 - Wed, May 6

12:49 pm - 11:23 pm

ONT

PWM

7h 34m

1 stop

12:46 pm - 10:43 pm

PWM

ONT

12h 57m

2 stops

$354Delta

Sat, Apr 18 - Sat, Apr 25

12:49 pm - 11:23 pm

ONT

PWM

7h 34m

1 stop

5:21 am - 11:36 am

PWM

ONT

9h 15m

1 stop

$358Delta

Tue, Apr 14 - Tue, Apr 21

5:00 am - 7:02 pm

ONT

MHT

11h 02m

2 stops

2:37 pm - 10:46 pm

MHT

ONT

11h 09m

2 stops

$513United Airlines

Sat, May 23 - Sat, May 30

American Airlines flights from Ontario to New Hampshire

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

American Airlines

May 1

ONT12:19 pmOntario

9h 05m

1 stop

BOS12:24 amBoston Logan Intl

May 5

BOS11:51 amBoston Logan Intl

11h 36m

1 stop

ONT8:27 pmOntario

$244

American Airlines

May 1

ONT7:35 pmOntario

10h 52m

2 stops

BOS9:27 amBoston Logan Intl

May 5

BOS11:51 amBoston Logan Intl

11h 36m

1 stop

ONT8:27 pmOntario

$269

American Airlines

May 1

ONT12:19 pmOntario

9h 05m

1 stop

BOS12:24 amBoston Logan Intl

May 5

BOS11:11 amBoston Logan Intl

10h 13m

2 stops

ONT6:24 pmOntario

$314

Delta flights from Ontario to New Hampshire

Our best Delta deals on Ontario to New Hampshire flight tickets

Delta

Apr 21

ONT10:15 pmOntario

9h 23m

1 stop

BOS10:38 amBoston Logan Intl

Apr 27

BOS2:00 pmBoston Logan Intl

10h 00m

1 stop

ONT9:00 pmOntario

$297

Delta

Apr 20

ONT10:15 pmOntario

8h 34m

1 stop

BOS9:49 amBoston Logan Intl

Apr 27

BOS2:00 pmBoston Logan Intl

10h 00m

1 stop

ONT9:00 pmOntario

$298

Delta

May 24

ONT5:55 pmOntario

9h 25m

1 stop

BOS6:20 amBoston Logan Intl

Jun 3

BOS6:10 amBoston Logan Intl

9h 09m

1 stop

ONT12:19 pmOntario

$303

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 5/12

1:55 pm-12:05 am

1 stop7h 10m

Boston Logan Intl

Wed 5/27

9:15 am-4:20 pm

1 stop10h 05m

$205

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 5/9

1:20 pm-11:50 pm

1 stop7h 30m

Boston Logan Intl

Tue 5/12

12:55 pm-8:35 pm

1 stop10h 40m

$224

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 5/9

1:20 pm-11:50 pm

1 stop7h 30m

Boston Logan Intl

Tue 5/12

2:25 pm-9:30 pm

2 stops10h 05m

$229

Quickest round-trip

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 4/20

9:55 pm-8:15 am

1 stop7h 20m

Boston Logan Intl

Mon 4/27

5:05 pm-10:40 pm

1 stop8h 35m

$243

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 5/1

12:19 pm-12:24 am

1 stop9h 05m

Boston Logan Intl

Tue 5/5

11:51 am-8:27 pm

1 stop11h 36m

$244

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Tue 4/14

6:00 am-11:28 pm

2 stops14h 28m

Portland

Tue 4/21

4:28 pm-10:31 pm

1 stop9h 03m

$312

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Tue 4/28

11:59 pm-3:09 pm

2 stops12h 10m

Portland

Wed 5/6

7:07 am-4:22 pm

2 stops12h 15m

$345

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sat 4/18

12:49 pm-11:23 pm

1 stop7h 34m

Portland

Sat 4/25

12:46 pm-10:43 pm

2 stops12h 57m

$354

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Tue 4/14

12:49 pm-11:23 pm

1 stop7h 34m

Portland

Tue 4/21

5:21 am-11:36 am

1 stop9h 15m

$358

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sat 5/23

5:00 am-7:02 pm

2 stops11h 02m

Manchester

Sat 5/30

2:37 pm-10:46 pm

2 stops11h 09m

$513

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 Ontario to New Hampshire

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 New Hampshire?

The month of March is another great option to travel to New Hampshire, with average flight prices from Ontario averaging around $357.

How far in advance should I book a flight to New Hampshire?

You are more likely to see cheaper flights to New Hampshire from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to New Hampshire for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Hampshire from Ontario for as low as $349 on momondo.

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

You could potentially save up to 58% on your flight if you consider stops on a Ontario to New Hampshire flight.

Cheap Ontario to New Hampshire flight deals and tips

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

Fastest flight time	7h 10m
Direct flights	None

The fastest flight from Ontario to New Hampshire takes 7h 10m

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

Search flight deals

When did momondo last update prices for flights from Ontario Airport to New Hampshire?
Prices for flights from Ontario Airport to New Hampshire were last updated today.
How many operators does momondo search for flights from Ontario Airport to New Hampshire?
As of March 2026, there are 6 operators available to choose from for flights from Ontario Airport to New Hampshire.
How old do you have to be to fly from Ontario Airport to New Hampshire?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to New Hampshire.
What documentation or ID do you need to fly to New Hampshire?
The travel and health documents required for your trip to New Hampshire 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 New Hampshire. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to New Hampshire

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $416	Free Cancellation	Rating 8.0 4,331 reviews		Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to New Hampshire. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to New Hampshire from Ontario with this policy.

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

momondo provides multiple filters to help you find the best flight to New Hampshire from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to New Hampshire from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.