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

Delta, United Airlines, and JetBlue 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 June 2026, there are 5 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.

$125 Cheap Flights from Ontario to New Hampshire in 2026

Find the cheapest flights from Ontario to New Hampshire

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:50 pm - 11:16 am

ONT

BOS

8h 26m

1 stop

4:30 pm - 10:35 pm

BOS

ONT

9h 05m

1 stop

$254JetBlue

Mon, Aug 17 - Thu, Aug 20

11:59 pm - 2:22 pm

ONT

BOS

11h 23m

1 stop

2:45 pm - 10:37 pm

BOS

ONT

10h 52m

1 stop

$255JetBlue

Tue, Aug 11 - Tue, Aug 18

11:59 pm - 11:25 am

ONT

BOS

8h 26m

1 stop

4:30 pm - 10:37 pm

BOS

ONT

9h 07m

1 stop

$257JetBlue

Mon, Aug 10 - Wed, Aug 19

11:59 pm - 11:25 am

ONT

BOS

8h 26m

1 stop

4:30 pm - 10:37 pm

BOS

ONT

9h 07m

1 stop

$264JetBlue

Mon, Aug 10 - Wed, Aug 19

12:00 pm - 1:25 am

ONT

BOS

10h 25m

1 stop

6:05 am - 12:16 pm

BOS

ONT

9h 11m

1 stop

$297Delta

Sat, Aug 8 - Wed, Aug 19

7:05 am - 10:48 pm

ONT

PWM

12h 43m

2 stops

8:00 am - 1:31 pm

PWM

ONT

8h 31m

1 stop

$302American Airlines

Sat, Aug 8 - Tue, Sep 1

7:05 am - 10:48 pm

ONT

PWM

12h 43m

2 stops

8:50 am - 6:47 pm

PWM

ONT

12h 57m

2 stops

$307American Airlines

Sat, Aug 8 - Tue, Sep 1

9:40 am - 10:05 pm

ONT

PWM

9h 25m

2 stops

5:40 am - 2:15 pm

PWM

ONT

11h 35m

2 stops

$355Southwest

Tue, Aug 18 - Sat, Aug 22

7:05 am - 9:15 pm

ONT

MHT

11h 10m

2 stops

5:35 am - 1:10 pm

MHT

ONT

10h 35m

2 stops

$366Southwest

Sat, Sep 26 - Wed, Sep 30

10:00 pm - 5:00 pm

ONT

ORH

16h 00m

2 stops

5:40 pm - 10:42 am

ORH

ONT

20h 02m

2 stops

$554Delta

Sun, Aug 16 - Tue, Sep 1

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Delta flights from Ontario to New Hampshire

Our best Delta deals on Ontario to New Hampshire flight tickets

Delta

Aug 8

ONT12:00 pmOntario

10h 25m

1 stop

BOS1:25 amBoston Logan Intl

Aug 19

BOS6:05 amBoston Logan Intl

9h 11m

1 stop

ONT12:16 pmOntario

$297

Delta

Sep 1

ONT12:00 pmOntario

10h 25m

1 stop

BOS1:25 amBoston Logan Intl

Sep 3

BOS5:30 amBoston Logan Intl

8h 12m

1 stop

ONT10:42 amOntario

$307

Delta

Sep 1

ONT5:05 pmOntario

10h 25m

1 stop

BOS6:30 amBoston Logan Intl

Sep 9

BOS6:05 amBoston Logan Intl

9h 09m

1 stop

ONT12:14 pmOntario

$312

American Airlines flights from Ontario to New Hampshire

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

American Airlines

Aug 8

ONT7:05 amOntario

12h 43m

2 stops

PWM10:48 pmPortland

Sep 1

PWM8:00 amPortland

8h 31m

1 stop

ONT1:31 pmOntario

$302

American Airlines

Aug 8

ONT7:05 amOntario

12h 43m

2 stops

PWM10:48 pmPortland

Sep 1

PWM8:50 amPortland

12h 57m

2 stops

ONT6:47 pmOntario

$307

American Airlines

Aug 10

ONT12:59 pmOntario

7h 25m

1 stop

BOS11:24 pmBoston Logan Intl

Aug 19

BOS6:45 amBoston Logan Intl

7h 58m

1 stop

ONT11:43 amOntario

$331

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 8/17

11:50 pm-11:16 am

1 stop8h 26m

Boston Logan Intl

Thu 8/20

4:30 pm-10:35 pm

1 stop9h 05m

$254

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 8/11

11:59 pm-2:22 pm

1 stop11h 23m

Boston Logan Intl

Tue 8/18

2:45 pm-10:37 pm

1 stop10h 52m

$255

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 8/10

11:59 pm-11:25 am

1 stop8h 26m

Boston Logan Intl

Wed 8/19

4:30 pm-10:37 pm

1 stop9h 07m

$257

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 8/10

11:59 pm-11:25 am

1 stop8h 26m

Boston Logan Intl

Wed 8/19

4:30 pm-10:37 pm

1 stop9h 07m

$264

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 8/8

12:00 pm-1:25 am

1 stop10h 25m

Boston Logan Intl

Wed 8/19

6:05 am-12:16 pm

1 stop9h 11m

$297

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sat 8/8

7:05 am-10:48 pm

2 stops12h 43m

Portland

Tue 9/1

8:00 am-1:31 pm

1 stop8h 31m

$302

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sat 8/8

7:05 am-10:48 pm

2 stops12h 43m

Portland

Tue 9/1

8:50 am-6:47 pm

2 stops12h 57m

$307

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Tue 8/18

9:40 am-10:05 pm

2 stops9h 25m

Portland

Sat 8/22

5:40 am-2:15 pm

2 stops11h 35m

$355

OntarioManchester

ONT - MHT

ONTMHT

Ontario

Sat 9/26

7:05 am-9:15 pm

2 stops11h 10m

Manchester

Wed 9/30

5:35 am-1:10 pm

2 stops10h 35m

$366

OntarioWorcester

ONT - ORH

ONTORH

Ontario

Sun 8/16

10:00 pm-5:00 pm

2 stops16h 00m

Worcester

Tue 9/1

5:40 pm-10:42 am

2 stops20h 02m

$554

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

How far in advance should I book a flight from Ontario 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 $402 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 $346 on momondo.

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

You could potentially save up to 17% 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 00m
Direct flights	None

The fastest flight from Ontario to New Hampshire takes 7h 00m

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

Search flight deals

Frequently asked questions about flying 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 June 2026, there are 5 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 $408	Free Cancellation	Rating 7.9 4,242 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.