Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from New York LaGuardia Airport to Los Angeles from $119

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 York LaGuardia Airport to Los Angeles departing on 11/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from New York LaGuardia Airport to Los Angeles

Cheap round-trip flights

Frontier Logo
10:50 pm - 11:50 pmLGA-ONT
28h 00m1 stop
Frontier Logo
8:59 pm - 10:11 pmONT-LGA
22h 12m1 stop
$255Frontier
Find Deal
sáb., ago. 30 - sáb., sep. 6
Frontier Logo
10:50 pm - 11:50 pmLGA-ONT
28h 00m1 stop
Frontier Logo
8:59 pm - 10:11 pmONT-LGA
22h 12m1 stop
$256Frontier
Find Deal
sáb., ago. 30 - sáb., sep. 6
Frontier Logo
10:50 pm - 11:50 pmLGA-ONT
28h 00m1 stop
Frontier Logo
12:59 am - 10:05 pmONT-LGA
18h 06m1 stop
$257Frontier
Find Deal
sáb., ago. 23 - vie., ago. 29
Frontier Logo
10:50 pm - 8:45 amLGA-ONT
12h 55m1 stop
Frontier Logo
12:59 am - 10:05 pmONT-LGA
18h 06m1 stop
$258Frontier
Find Deal
sáb., ago. 23 - vie., ago. 29
American Airlines Logo
6:10 pm - 10:48 pmLGA-ONT
7h 38m1 stop
American Airlines Logo
11:29 pm - 11:29 amONT-LGA
9h 00m1 stop
$267American Airlines
Find Deal
mar., ago. 26 - mar., sep. 2
American Airlines Logo
2:59 pm - 9:39 pmLGA-ONT
9h 40m1 stop
American Airlines Logo
11:59 pm - 10:30 amONT-LGA
7h 31m1 stop
$272American Airlines
Find Deal
sáb., ago. 23 - mar., ago. 26
Delta Logo
4:20 pm - 11:40 pmLGA-ONT
10h 20m2 stops
Delta Logo
11:45 am - 10:25 pmONT-LGA
7h 40m1 stop
$282Delta
Find Deal
lun., ago. 18 - mié., ago. 20
Delta Logo
6:00 am - 10:20 amLGA-ONT
7h 20m1 stop
Delta Logo
7:05 am - 11:09 pmONT-LGA
13h 04m2 stops
$286Delta
Find Deal
sáb., ago. 30 - sáb., sep. 6
Southwest Logo
6:30 am - 12:40 pmLGA-ONT
9h 10m2 stops
Southwest Logo
12:20 pm - 11:25 pmONT-LGA
8h 05m1 stop
$287Southwest
Find Deal
jue., ago. 28 - mié., sep. 3
Southwest Logo
6:30 am - 12:40 pmLGA-ONT
9h 10m2 stops
Southwest Logo
5:25 am - 4:25 pmONT-LGA
8h 00m1 stop
$302Southwest
Find Deal
jue., ago. 28 - mar., sep. 2

Delta flights from New York LaGuardia Airport to Ontario

Our best Delta deals on New York LaGuardia Airport to Ontario flight tickets
Delta
Aug 18
LGA4:20 pmNew York LaGuardia
10h 20m
2 stops
ONT11:40 pmOntario
Aug 20
ONT11:45 amOntario
7h 40m
1 stop
LGA10:25 pmNew York LaGuardia
$282
Find similar
Delta
Aug 30
LGA6:00 amNew York LaGuardia
7h 20m
1 stop
ONT10:20 amOntario
Sep 6
ONT7:05 amOntario
13h 04m
2 stops
LGA11:09 pmNew York LaGuardia
$286
Find similar
Delta
Aug 22
LGA4:20 pmNew York LaGuardia
10h 20m
2 stops
ONT11:40 pmOntario
Aug 31
ONT11:45 amOntario
8h 39m
1 stop
LGA11:24 pmNew York LaGuardia
$290
Find similar

Frontier flights from New York LaGuardia Airport to Ontario

Our best Frontier deals on New York LaGuardia Airport to Ontario flight tickets
Frontier
Aug 30
LGA10:50 pmNew York LaGuardia
28h 00m
1 stop
ONT11:50 pmOntario
Sep 6
ONT8:59 pmOntario
22h 12m
1 stop
LGA10:11 pmNew York LaGuardia
$255
Find similar
Frontier
Aug 30
LGA10:50 pmNew York LaGuardia
28h 00m
1 stop
ONT11:50 pmOntario
Sep 6
ONT8:59 pmOntario
22h 12m
1 stop
LGA10:11 pmNew York LaGuardia
$256
Find similar
Frontier
Aug 23
LGA10:50 pmNew York LaGuardia
28h 00m
1 stop
ONT11:50 pmOntario
Aug 29
ONT12:59 amOntario
18h 06m
1 stop
LGA10:05 pmNew York LaGuardia
$257
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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 julio 31, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

sáb. 8/30

10:50 pm-11:50 pm

1 stop28h 00m

Ontario

sáb. 9/6

8:59 pm-10:11 pm

1 stop22h 12m

$255

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

sáb. 8/30

10:50 pm-11:50 pm

1 stop28h 00m

Ontario

sáb. 9/6

8:59 pm-10:11 pm

1 stop22h 12m

$256

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

sáb. 8/23

10:50 pm-11:50 pm

1 stop28h 00m

Ontario

vie. 8/29

12:59 am-10:05 pm

1 stop18h 06m

$257

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

sáb. 8/23

10:50 pm-8:45 am

1 stop12h 55m

Ontario

vie. 8/29

12:59 am-10:05 pm

1 stop18h 06m

$258

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

mar. 8/26

6:10 pm-10:48 pm

1 stop7h 38m

Ontario

mar. 9/2

11:29 pm-11:29 am

1 stop9h 00m

$267

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

sáb. 8/23

2:59 pm-9:39 pm

1 stop9h 40m

Ontario

mar. 8/26

11:59 pm-10:30 am

1 stop7h 31m

$272

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

lun. 8/18

4:20 pm-11:40 pm

2 stops10h 20m

Ontario

mié. 8/20

11:45 am-10:25 pm

1 stop7h 40m

$282

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

sáb. 8/30

6:00 am-10:20 am

1 stop7h 20m

Ontario

sáb. 9/6

7:05 am-11:09 pm

2 stops13h 04m

$286

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

jue. 8/28

6:30 am-12:40 pm

2 stops9h 10m

Ontario

mié. 9/3

12:20 pm-11:25 pm

1 stop8h 05m

$287

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

jue. 8/28

6:30 am-12:40 pm

2 stops9h 10m

Ontario

mar. 9/2

5:25 am-4:25 pm

1 stop8h 00m

$302

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

How to get the cheapest flight ticket from New York LaGuardia Airport 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, September is the cheapest month to fly from New York LaGuardia Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $286. If you aren’t able to travel during the month of September, then book flights to Ontario from New York LaGuardia Airport during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $307.

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 Friday when prices can be found for as low as $301. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from New York LaGuardia Airport to Ontario for around $376.

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

In the evening is the cheapest time of day to fly from New York LaGuardia Airport to Ontario when you can find flight prices for as low as $317. Flying to Ontario in the evening 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 morning when prices are $362 on average. Flights to Ontario from New York LaGuardia Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have New York LaGuardia Airport to Ontario flight prices changed over time?

As of July 2025, prices for New York LaGuardia Airport to Ontario flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from New York LaGuardia Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to Ontario (LGA to ONT) flight deals and tips

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

Best Price Found

$119

Fastest flight time

7h 20m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from New York LaGuardia Airport in the past 72 hours is $119. The best round-trip flight deal from New York LaGuardia Airport to Ontario found on momondo in the last 72 hours is $255.
The fastest flight from New York LaGuardia Airport to Ontario takes 7h 20m
There are no direct flights from New York LaGuardia Airport to Ontario. Popular non-direct route for this connection is New York LaGuardia Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)
Search flight deals

  • How far is New York LaGuardia to Ontario by plane?

    There are 2419.3 mi between New York LaGuardia and Ontario. In terms of flight time, this usually takes a little over 7h 20m.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Ontario Airport?

    Prices for flights from New York LaGuardia Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from New York LaGuardia Airport to Ontario Airport?

  • How old do you have to be to fly from New York LaGuardia Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York LaGuardia Airport to Ontario Airport.

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

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from New York LaGuardia Airport to Ontario?

Best airlines flying from New York LaGuardia Airport to Ontario

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $153Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
United AirlinesPriceFrom $214Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $266Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Why use momondo?

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

It is quick and easy to find New York 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 York to Ontario with flexible booking policies on momondo?

All flight searches from New York to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

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

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

Yes momondo offers price alerts on flights to Ontario from New York. 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.

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
mar. 8/5
mar. 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States