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

Southwest, Alaska Airlines, and American Airlines are the most popular carriers operating from New Hampshire to Ontario

What airlines fly to Ontario?

Southwest, American Airlines and United Airlines 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 56% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 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 55m on average, while flying from Lebanon to Los Angeles is 11h 50m 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 August 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.

$123 Cheap Flights from New Hampshire to Ontario in 2026

Find the cheapest flights from New Hampshire to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 10:20 amBOS Boston Logan Intl-ONT Ontario

7h 40m1 stop Denver Intl

11:55 pm - 9:55 amONT Ontario-BOS Boston Logan Intl

7h 00m1 stop Chicago Midway

$240Southwest

Thu, Sep 10 - Mon, Sep 14

5:40 am - 10:20 amBOS Boston Logan Intl-ONT Ontario

7h 40m1 stop Denver Intl

8:40 pm - 9:55 amONT Ontario-BOS Boston Logan Intl

10h 15m2 stops Phoenix Sky Harbor Intl Chicago Midway

$246Southwest

Thu, Sep 10 - Mon, Sep 14

12:59 pm - 8:07 pmBOS Boston Logan Intl-ONT Ontario

10h 08m1 stop Dallas/Fort Worth

12:37 pm - 11:34 pmONT Ontario-BOS Boston Logan Intl

7h 57m1 stop Dallas/Fort Worth

$297American Airlines

Wed, Sep 16 - Wed, Sep 23

6:45 pm - 11:58 pmBOS Boston Logan Intl-ONT Ontario

8h 13m1 stop Salt Lake City

7:00 am - 5:48 pmONT Ontario-BOS Boston Logan Intl

7h 48m1 stop Atlanta Hartsfield-Jackson

$297Delta

Tue, Dec 15 - Tue, Jan 5

6:45 pm - 11:58 pmBOS Boston Logan Intl-ONT Ontario

8h 13m1 stop Salt Lake City

7:00 am - 7:21 pmONT Ontario-BOS Boston Logan Intl

9h 21m1 stop Atlanta Hartsfield-Jackson

$297Delta

Mon, Dec 14 - Thu, Jan 7

6:02 am - 11:47 amBOS Boston Logan Intl-ONT Ontario

8h 45m1 stop Dallas/Fort Worth

12:37 pm - 11:34 pmONT Ontario-BOS Boston Logan Intl

7h 57m1 stop Dallas/Fort Worth

$335American Airlines

Sun, Sep 13 - Sat, Sep 19

2:00 pm - 8:01 pmBOS Boston Logan Intl-ONT Ontario

9h 01m1 stop San Francisco

6:00 am - 5:29 pmONT Ontario-BOS Boston Logan Intl

8h 29m1 stop Houston George Bush Intcntl

$347United Airlines

Sat, Sep 5 - Fri, Sep 11

12:27 pm - 8:53 pmBOS Boston Logan Intl-ONT Ontario

11h 26m2 stops Chicago O'Hare Intl Denver Intl

7:00 am - 5:36 pmONT Ontario-BOS Boston Logan Intl

7h 36m1 stop Chicago O'Hare Intl

$352United Airlines

Sat, Sep 5 - Fri, Sep 11

7:13 am - 3:13 pmBOS Boston Logan Intl-ONT Ontario

11h 00m1 stop Seattle/Tacoma Intl

4:09 pm - 5:40 amONT Ontario-BOS Boston Logan Intl

10h 31m1 stop Seattle/Tacoma Intl

$357Alaska Airlines

Tue, Nov 10 - Fri, Nov 13

9:33 am - 5:18 pmBOS Boston Logan Intl-ONT Ontario

10h 45m1 stop Portland

6:14 pm - 6:09 amONT Ontario-BOS Boston Logan Intl

8h 55m1 stop Portland

$357Alaska Airlines

Sat, Sep 12 - Sun, Sep 20

Cheap last minute flights

Enter your travel dates to find the best prices.

6:05 am - 12:16 pmBOS Boston Logan Intl-ONT Ontario

9h 11m1 stop Salt Lake City

12:00 pm - 11:41 pmONT Ontario-BOS Boston Logan Intl

8h 41m1 stop Atlanta Hartsfield-Jackson

$483Delta

Wed, Aug 12 - Fri, Aug 28

6:05 am - 12:16 pmBOS Boston Logan Intl-ONT Ontario

9h 11m1 stop Salt Lake City

11:56 am - 12:17 amONT Ontario-BOS Boston Logan Intl

9h 21m1 stop Seattle/Tacoma Intl

$503Delta

Wed, Aug 12 - Wed, Aug 26

4:54 pm - 11:52 pmBOS Boston Logan Intl-ONT Ontario

9h 58m1 stop Portland

12:00 pm - 11:54 pmONT Ontario-BOS Boston Logan Intl

8h 54m1 stop Seattle/Tacoma Intl

$531Alaska Airlines

Wed, Aug 12 - Wed, Aug 26

4:54 pm - 11:52 pmBOS Boston Logan Intl-ONT Ontario

9h 58m1 stop Portland

6:05 pm - 6:09 amONT Ontario-BOS Boston Logan Intl

9h 04m1 stop Portland

$531Alaska Airlines

Wed, Aug 12 - Sat, Aug 29

8:15 am - 1:31 pmBOS Boston Logan Intl-ONT Ontario

8h 16m1 stop Dallas/Fort Worth

7:05 am - 7:42 pmONT Ontario-BOS Boston Logan Intl

9h 37m1 stop Dallas/Fort Worth

$557American Airlines

Thu, Aug 13 - Fri, Aug 14

6:45 am - 11:43 amBOS Boston Logan Intl-ONT Ontario

7h 58m1 stop Dallas/Fort Worth

12:59 pm - 11:24 pmONT Ontario-BOS Boston Logan Intl

7h 25m1 stop Phoenix Sky Harbor Intl

$557American Airlines

Thu, Aug 13 - Fri, Aug 14

2:00 pm - 8:01 pmBOS Boston Logan Intl-ONT Ontario

9h 01m1 stop San Francisco

7:13 pm - 8:14 amONT Ontario-BOS Boston Logan Intl

10h 01m1 stop San Francisco

$561United Airlines

Wed, Aug 12 - Sun, Aug 16

7:45 am - 3:41 pmBOS Boston Logan Intl-ONT Ontario

10h 56m1 stop San Francisco

1:18 pm - 11:50 pmONT Ontario-BOS Boston Logan Intl

7h 32m1 stop Denver Intl

$586United Airlines

Sat, Aug 15 - Sat, Aug 22

2:40 pm - 10:38 pmPWM Portland-ONT Ontario

10h 58m1 stop New York John F Kennedy Intl

11:59 pm - 1:45 pmONT Ontario-PWM Portland

10h 46m1 stop New York John F Kennedy Intl

$699JetBlue

Thu, Aug 13 - Tue, Aug 25

12:44 pm - 9:59 pmBOS Boston Logan Intl-ONT Ontario

12h 15m1 stop New York John F Kennedy Intl

11:59 pm - 2:22 pmONT Ontario-BOS Boston Logan Intl

11h 23m1 stop New York John F Kennedy Intl

$1,112JetBlue

Sat, Aug 15 - Tue, Aug 25

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Southwest flights from New Hampshire to Ontario

Our best Southwest deals on New Hampshire to Ontario flight tickets

Southwest

Sep 10

BOS5:40 amBoston Logan Intl

7h 40m

1 stop

ONT10:20 amOntario

Sep 14

ONT11:55 pmOntario

7h 00m

1 stop

BOS9:55 amBoston Logan Intl

$240

Southwest

Sep 10

BOS5:40 amBoston Logan Intl

7h 40m

1 stop

ONT10:20 amOntario

Sep 14

ONT8:40 pmOntario

10h 15m

2 stops

BOS9:55 amBoston Logan Intl

$246

Southwest

Dec 17

BOS10:25 amBoston Logan Intl

8h 20m

1 stop

ONT3:45 pmOntario

Jan 5

ONT6:50 amOntario

7h 00m

1 stop

BOS4:50 pmBoston Logan Intl

$304

Delta flights from New Hampshire to Ontario

Our best Delta deals on New Hampshire to Ontario flight tickets

Delta

Dec 14

BOS6:45 pmBoston Logan Intl

8h 13m

1 stop

ONT11:58 pmOntario

Jan 5

ONT7:00 amOntario

9h 21m

1 stop

BOS7:21 pmBoston Logan Intl

$297

Delta

Sep 18

BOS4:00 pmBoston Logan Intl

9h 40m

1 stop

ONT10:40 pmOntario

Sep 21

ONT10:00 pmOntario

10h 08m

1 stop

BOS11:08 amBoston Logan Intl

$300

Delta

Dec 16

PWM12:50 pmPortland

14h 08m

2 stops

ONT11:58 pmOntario

Jan 6

ONT6:00 amOntario

13h 23m

2 stops

PWM10:23 pmPortland

$307

Fly from

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Route

Depart

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Price

Cheapest round-trip

Quickest round-trip

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Thu 9/10

5:40 am-10:20 am

1 stop7h 40m

Ontario

Mon 9/14

11:55 pm-9:55 am

1 stop7h 00m

$240

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Thu 9/10

5:40 am-10:20 am

1 stop7h 40m

Ontario

Mon 9/14

8:40 pm-9:55 am

2 stops10h 15m

$246

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Wed 9/16

12:59 pm-8:07 pm

1 stop10h 08m

Ontario

Wed 9/23

12:37 pm-11:34 pm

1 stop7h 57m

$297

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Tue 12/15

6:45 pm-11:58 pm

1 stop8h 13m

Ontario

Tue 1/5

7:00 am-5:48 pm

1 stop7h 48m

$297

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Mon 12/14

6:45 pm-11:58 pm

1 stop8h 13m

Ontario

Thu 1/7

7:00 am-7:21 pm

1 stop9h 21m

$297

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sun 9/13

6:02 am-11:47 am

1 stop8h 45m

Ontario

Sat 9/19

12:37 pm-11:34 pm

1 stop7h 57m

$335

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 9/5

2:00 pm-8:01 pm

1 stop9h 01m

Ontario

Fri 9/11

6:00 am-5:29 pm

1 stop8h 29m

$347

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 9/5

12:27 pm-8:53 pm

2 stops11h 26m

Ontario

Fri 9/11

7:00 am-5:36 pm

1 stop7h 36m

$352

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Tue 11/10

7:13 am-3:13 pm

1 stop11h 00m

Ontario

Fri 11/13

4:09 pm-5:40 am

1 stop10h 31m

$357

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 9/12

9:33 am-5:18 pm

1 stop10h 45m

Ontario

Sun 9/20

6:14 pm-6:09 am

1 stop8h 55m

$357

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

How far in advance should I book a flight from New Hampshire 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 $492 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 $326 on momondo.

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

You could potentially save up to 30% 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

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 August 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 $419	Free Cancellation	Rating 8.0 4,221 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 $123

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 12/9. 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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Southwest flights from New Hampshire to Ontario

Our best Southwest deals on New Hampshire to Ontario flight tickets

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Our best Delta deals on New Hampshire to Ontario flight tickets

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

How far in advance should I book a flight from New Hampshire 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

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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

Airports servicing California

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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