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Cheap flights from New Hampshire to Los Angeles from $125

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 10/24. 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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Cheap round-trip flights

Frontier Logo
12:20 pm - 11:50 pmBOS-ONT
14h 30m2 stops
Frontier Logo
12:05 pm - 7:52 amONT-BOS
16h 47m2 stops
$242Frontier
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Mon, Nov 3 - Thu, Nov 6
Frontier Logo
12:49 pm - 11:50 pmBOS-ONT
14h 01m2 stops
Frontier Logo
4:05 pm - 10:48 amONT-BOS
15h 43m2 stops
$248Frontier
Find Deal
Fri, Oct 24 - Fri, Oct 31
Alaska Airlines Logo
7:00 am - 3:17 pmBOS-ONT
11h 17m1 stop
Alaska Airlines Logo
6:00 am - 12:20 amONT-BOS
15h 20m1 stop
$256Alaska Airlines
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Tue, Nov 4 - Wed, Nov 19
American Airlines Logo
5:30 am - 11:57 amBOS-ONT
9h 27m1 stop
American Airlines Logo
12:47 pm - 11:27 pmONT-BOS
7h 40m1 stop
$257American Airlines
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Wed, Oct 22 - Wed, Oct 29
Alaska Airlines Logo
7:00 am - 3:12 pmBOS-ONT
11h 12m1 stop
Alaska Airlines Logo
11:30 am - 11:59 pmONT-BOS
9h 29m1 stop
$259Alaska Airlines
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Thu, Feb 5 - Mon, Feb 9
American Airlines Logo
5:30 am - 11:54 amBOS-ONT
9h 24m1 stop
American Airlines Logo
9:59 am - 10:20 pmONT-BOS
9h 21m2 stops
$262American Airlines
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Tue, Nov 4 - Wed, Nov 19
United Airlines Logo
1:35 pm - 9:24 pmBOS-ONT
10h 49m1 stop
United Airlines Logo
1:40 pm - 12:48 amONT-BOS
8h 08m1 stop
$267United Airlines
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Wed, Oct 22 - Mon, Oct 27
United Airlines Logo
12:10 pm - 8:24 pmBOS-ONT
11h 14m2 stops
United Airlines Logo
1:40 pm - 12:48 amONT-BOS
8h 08m1 stop
$272United Airlines
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Wed, Oct 22 - Mon, Oct 27
JetBlue Logo
12:20 pm - 9:29 pmBOS-ONT
12h 09m1 stop
JetBlue Logo
10:56 pm - 11:45 amONT-BOS
9h 49m1 stop
$295JetBlue
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Wed, Oct 22 - Fri, Oct 24
JetBlue Logo
12:20 pm - 9:29 pmBOS-ONT
12h 09m1 stop
JetBlue Logo
10:56 pm - 9:45 amONT-BOS
7h 49m1 stop
$331JetBlue
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Tue, Oct 21 - Wed, Oct 22

JetBlue flights from New Hampshire to Ontario

Our best JetBlue deals on New Hampshire to Ontario flight tickets
JetBlue
Oct 22
BOS12:20 pmBoston Logan Intl
12h 09m
1 stop
ONT9:29 pmOntario
Oct 24
ONT10:56 pmOntario
9h 49m
1 stop
BOS11:45 amBoston Logan Intl
$295
Find similar
JetBlue
Oct 21
BOS12:20 pmBoston Logan Intl
12h 09m
1 stop
ONT9:29 pmOntario
Oct 22
ONT10:56 pmOntario
7h 49m
1 stop
BOS9:45 amBoston Logan Intl
$331
Find similar
JetBlue
Oct 17
BOS12:20 pmBoston Logan Intl
12h 09m
1 stop
ONT9:29 pmOntario
Oct 24
ONT10:56 pmOntario
7h 49m
1 stop
BOS9:45 amBoston Logan Intl
$336
Find similar

American Airlines flights from New Hampshire to Ontario

Our best American Airlines deals on New Hampshire to Ontario flight tickets
American Airlines
Oct 22
BOS5:30 amBoston Logan Intl
9h 27m
1 stop
ONT11:57 amOntario
Oct 29
ONT12:47 pmOntario
7h 40m
1 stop
BOS11:27 pmBoston Logan Intl
$257
Find similar
American Airlines
Nov 4
BOS5:30 amBoston Logan Intl
9h 24m
1 stop
ONT11:54 amOntario
Nov 19
ONT9:59 amOntario
9h 21m
2 stops
BOS10:20 pmBoston Logan Intl
$262
Find similar
American Airlines
Oct 23
BOS5:30 amBoston Logan Intl
11h 31m
1 stop
ONT2:01 pmOntario
Oct 29
ONT1:00 pmOntario
7h 58m
1 stop
BOS11:58 pmBoston Logan Intl
$268
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Hampshire to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 25, 2025.
Use the filters below to find and compare flights from New Hampshire to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 11/3

12:20 pm-11:50 pm

2 stops14h 30m

Ontario

Thu 11/6

12:05 pm-7:52 am

2 stops16h 47m

$242

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 10/24

12:49 pm-11:50 pm

2 stops14h 01m

Ontario

Fri 10/31

4:05 pm-10:48 am

2 stops15h 43m

$248

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 11/4

7:00 am-3:17 pm

1 stop11h 17m

Ontario

Wed 11/19

6:00 am-12:20 am

1 stop15h 20m

$256

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 10/22

5:30 am-11:57 am

1 stop9h 27m

Ontario

Wed 10/29

12:47 pm-11:27 pm

1 stop7h 40m

$257

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 2/5

7:00 am-3:12 pm

1 stop11h 12m

Ontario

Mon 2/9

11:30 am-11:59 pm

1 stop9h 29m

$259

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 11/4

5:30 am-11:54 am

1 stop9h 24m

Ontario

Wed 11/19

9:59 am-10:20 pm

2 stops9h 21m

$262

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 10/22

1:35 pm-9:24 pm

1 stop10h 49m

Ontario

Mon 10/27

1:40 pm-12:48 am

1 stop8h 08m

$267

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 10/22

12:10 pm-8:24 pm

2 stops11h 14m

Ontario

Mon 10/27

1:40 pm-12:48 am

1 stop8h 08m

$272

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 10/22

12:20 pm-9:29 pm

1 stop12h 09m

Ontario

Fri 10/24

10:56 pm-11:45 am

1 stop9h 49m

$295

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 10/21

12:20 pm-9:29 pm

1 stop12h 09m

Ontario

Wed 10/22

10:56 pm-9:45 am

1 stop7h 49m

$331

Flights are sorted by cheapest round-trip flights first.

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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

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 $346. If you aren’t able to travel during the month of May, then book flights to Ontario from New Hampshire during January instead. Flights to Ontario in January, while not as cheap as those in May, still average around $350.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $401. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New Hampshire to Ontario for around $569.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from New Hampshire to Ontario when you can find flight prices for as low as $428. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $552 on average. Flights to Ontario from New Hampshire in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $406 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 $301 on momondo.

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

Direct flights

None
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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  • 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?

  • 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
SouthwestPriceFrom $346Free CancellationRating
8.0
4,246 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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