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Cheap flights from New York LaGuardia Airport to Los Angeles from C$ 142

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 29/1. 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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Find the cheapest flights from New York LaGuardia Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
7:25 a.m. - 3:35 p.m.LGA-ONT
11h 10m1 stop
Southwest Logo
6:30 a.m. - 5:45 p.m.ONT-LGA
8h 15m1 stop
C$ 332Southwest
Find Deal
Thu, 13 Nov - Wed, 19 Nov
Southwest Logo
7:15 a.m. - 2:30 p.m.LGA-ONT
10h 15m1 stop
Southwest Logo
10:30 a.m. - 11:25 p.m.ONT-LGA
9h 55m1 stop
C$ 355Southwest
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Southwest Logo
7:15 a.m. - 2:30 p.m.LGA-ONT
10h 15m1 stop
Southwest Logo
11:15 a.m. - 10:55 p.m.ONT-LGA
8h 40m1 stop
C$ 357Southwest
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Delta Logo
2:59 p.m. - 9:07 p.m.LGA-ONT
9h 08m1 stop
Delta Logo
10:30 p.m. - 8:48 a.m.ONT-LGA
7h 18m1 stop
C$ 359Delta
Find Deal
Tue, 20 Jan - Thu, 29 Jan
Delta Logo
1:56 p.m. - 11:58 p.m.LGA-ONT
13h 02m2 stops
Delta Logo
10:25 p.m. - 9:45 a.m.ONT-LGA
8h 20m1 stop
C$ 366Delta
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Southwest Logo
2:05 p.m. - 9:20 p.m.LGA-ONT
10h 15m2 stops
Southwest Logo
10:40 a.m. - 11:05 p.m.ONT-LGA
9h 25m2 stops
C$ 371Southwest
Find Deal
Mon, 23 Feb - Wed, 4 Mar
Delta Logo
1:56 p.m. - 11:04 p.m.LGA-ONT
12h 08m2 stops
Delta Logo
10:25 p.m. - 12:02 p.m.ONT-LGA
10h 37m2 stops
C$ 373Delta
Find Deal
Thu, 4 Dec - Mon, 8 Dec
United Airlines Logo
7:15 a.m. - 12:47 p.m.LGA-ONT
8h 32m1 stop
United Airlines Logo
5:05 a.m. - 3:46 p.m.ONT-LGA
7h 41m1 stop
C$ 434United Airlines
Find Deal
Sun, 18 Jan - Tue, 27 Jan
United Airlines Logo
3:29 p.m. - 8:58 p.m.LGA-ONT
8h 29m1 stop
United Airlines Logo
5:05 a.m. - 3:46 p.m.ONT-LGA
7h 41m1 stop
C$ 443United Airlines
Find Deal
Wed, 21 Jan - Tue, 27 Jan
United Airlines Logo
9:15 a.m. - 10:53 p.m.LGA-ONT
16h 38m2 stops
United Airlines Logo
5:05 a.m. - 3:46 p.m.ONT-LGA
7h 41m1 stop
C$ 448United Airlines
Find Deal
Sun, 18 Jan - Wed, 28 Jan

Southwest flights from New York LaGuardia Airport to Ontario

Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Southwest
13 Nov
LGA7:25 a.m.New York LaGuardia
11h 10m
1 stop
ONT3:35 p.m.Ontario
19 Nov
ONT6:30 a.m.Ontario
8h 15m
1 stop
LGA5:45 p.m.New York LaGuardia
C$ 332
Find similar
Southwest
4 Dec
LGA7:15 a.m.New York LaGuardia
10h 15m
1 stop
ONT2:30 p.m.Ontario
8 Dec
ONT10:30 a.m.Ontario
9h 55m
1 stop
LGA11:25 p.m.New York LaGuardia
C$ 355
Find similar
Southwest
4 Dec
LGA7:15 a.m.New York LaGuardia
10h 15m
1 stop
ONT2:30 p.m.Ontario
8 Dec
ONT11:15 a.m.Ontario
8h 40m
1 stop
LGA10:55 p.m.New York LaGuardia
C$ 357
Find similar

Delta flights from New York LaGuardia Airport to Ontario

Our best Delta deals on New York LaGuardia Airport to Ontario flight tickets
Delta
20 Jan
LGA2:59 p.m.New York LaGuardia
9h 08m
1 stop
ONT9:07 p.m.Ontario
30 Jan
ONT1:04 p.m.Ontario
7h 38m
1 stop
LGA11:42 p.m.New York LaGuardia
C$ 359
Find similar
Delta
4 Dec
LGA1:56 p.m.New York LaGuardia
13h 02m
2 stops
ONT11:58 p.m.Ontario
8 Dec
ONT10:25 p.m.Ontario
10h 19m
1 stop
LGA11:44 a.m.New York LaGuardia
C$ 366
Find similar
Delta
4 Dec
LGA1:56 p.m.New York LaGuardia
12h 08m
2 stops
ONT11:04 p.m.Ontario
8 Dec
ONT10:25 p.m.Ontario
10h 41m
2 stops
LGA12:06 p.m.New York LaGuardia
C$ 373
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 96,600 searches. Data last updated 30 October 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

Thu 13/11

7:25 a.m.-3:35 p.m.

1 stop11h 10m

Ontario

Wed 19/11

6:30 a.m.-5:45 p.m.

1 stop8h 15m

C$ 332

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 4/12

7:15 a.m.-2:30 p.m.

1 stop10h 15m

Ontario

Mon 8/12

10:30 a.m.-11:25 p.m.

1 stop9h 55m

C$ 355

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 4/12

7:15 a.m.-2:30 p.m.

1 stop10h 15m

Ontario

Mon 8/12

11:15 a.m.-10:55 p.m.

1 stop8h 40m

C$ 357

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 20/1

2:59 p.m.-9:07 p.m.

1 stop9h 08m

Ontario

Thu 29/1

10:30 p.m.-8:48 a.m.

1 stop7h 18m

C$ 359

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 4/12

1:56 p.m.-11:58 p.m.

2 stops13h 02m

Ontario

Mon 8/12

10:25 p.m.-9:45 a.m.

1 stop8h 20m

C$ 366

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 23/2

2:05 p.m.-9:20 p.m.

2 stops10h 15m

Ontario

Wed 4/3

10:40 a.m.-11:05 p.m.

2 stops9h 25m

C$ 371

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 4/12

1:56 p.m.-11:04 p.m.

2 stops12h 08m

Ontario

Mon 8/12

10:25 p.m.-12:02 p.m.

2 stops10h 37m

C$ 373

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sun 18/1

7:15 a.m.-12:47 p.m.

1 stop8h 32m

Ontario

Tue 27/1

5:05 a.m.-3:46 p.m.

1 stop7h 41m

C$ 434

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 21/1

3:29 p.m.-8:58 p.m.

1 stop8h 29m

Ontario

Tue 27/1

5:05 a.m.-3:46 p.m.

1 stop7h 41m

C$ 443

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sun 18/1

9:15 a.m.-10:53 p.m.

2 stops16h 38m

Ontario

Wed 28/1

5:05 a.m.-3:46 p.m.

1 stop7h 41m

C$ 448

Flights are sorted by cheapest round-trip flights first.

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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?

The month of March is, on average, the cheapest month to fly to Ontario from New York LaGuardia Airport, with most prices found around C$ 455. The month of November is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 471.

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

As of October 2025, prices for New York LaGuardia Airport to Ontario flights are approximately 38% more expensive 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

Direct flights

None
There are no direct flights from New York LaGuardia Airport to Ontario. There are no popular flight routes from New York LaGuardia Airport to Ontario.
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  • How far is New York LaGuardia to Ontario by plane?

    Ontario is 3893.4 km away from New York LaGuardia. By plane, this route typically takes 8h 04m.

  • 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 refreshed on a daily basis.

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

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Ontario from New York which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from New York.

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

Yes. momondo can track prices for New York to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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