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Cheap flights from New York LaGuardia Airport to Los Angeles from C$ 138

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 24/2. 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
7:15 a.m. - 2:35 p.m.
LGA
-
ONT
10h 20m
1 stop
Southwest Logo
5:15 a.m. - 4:25 p.m.
ONT
-
LGA
8h 10m
1 stop
C$ 262Southwest
Tue, 24 Feb - Tue, 3 Mar
Southwest Logo
2:00 p.m. - 9:45 p.m.
LGA
-
ONT
10h 45m
1 stop
Southwest Logo
9:00 p.m. - 9:10 a.m.
ONT
-
LGA
9h 10m
2 stops
C$ 269Southwest
Tue, 24 Feb - Tue, 3 Mar
Southwest Logo
2:30 p.m. - 9:45 p.m.
LGA
-
ONT
10h 15m
2 stops
Southwest Logo
9:00 p.m. - 9:10 a.m.
ONT
-
LGA
9h 10m
2 stops
C$ 276Southwest
Tue, 24 Feb - Tue, 3 Mar
United Airlines Logo
3:41 p.m. - 9:58 p.m.
LGA
-
ONT
9h 17m
1 stop
United Airlines Logo
5:00 a.m. - 3:45 p.m.
ONT
-
LGA
7h 45m
1 stop
C$ 343United Airlines
Mon, 9 Feb - Sun, 15 Feb
Southwest Logo
4:30 p.m. - 9:45 p.m.
LGA
-
ONT
8h 15m
1 stop
Southwest Logo
10:05 a.m. - 8:20 p.m.
ONT
-
LGA
7h 15m
1 stop
C$ 346Southwest
Tue, 24 Feb - Fri, 27 Feb
Southwest Logo
5:45 p.m. - 11:35 p.m.
LGA
-
ONT
8h 50m
1 stop
Southwest Logo
1:40 p.m. - 11:25 p.m.
ONT
-
LGA
6h 45m
1 stop
C$ 348Southwest
Sun, 1 Mar - Tue, 24 Mar
Delta Logo
6:35 a.m. - 12:07 p.m.
LGA
-
ONT
8h 32m
1 stop
Delta Logo
10:20 p.m. - 8:48 a.m.
ONT
-
LGA
7h 28m
1 stop
C$ 349Delta
Sat, 28 Feb - Mon, 2 Mar
Delta Logo
2:00 p.m. - 9:05 p.m.
LGA
-
ONT
10h 05m
1 stop
Delta Logo
10:20 p.m. - 8:48 a.m.
ONT
-
LGA
7h 28m
1 stop
C$ 350Delta
Thu, 26 Feb - Wed, 4 Mar
Delta Logo
1:00 p.m. - 9:05 p.m.
LGA
-
ONT
11h 05m
1 stop
Delta Logo
1:15 p.m. - 11:42 p.m.
ONT
-
LGA
7h 27m
1 stop
C$ 352Delta
Thu, 26 Feb - Wed, 4 Mar
Southwest Logo
8:30 a.m. - 3:40 p.m.
LGA
-
ONT
10h 10m
1 stop
Southwest Logo
11:55 p.m. - 11:20 a.m.
ONT
-
LGA
8h 25m
1 stop
C$ 353Southwest
Thu, 26 Mar - Tue, 7 Apr

Southwest flights from New York LaGuardia Airport to Ontario

Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Southwest
24 Feb
LGA7:15 a.m.New York LaGuardia
10h 20m
1 stop
ONT2:35 p.m.Ontario
3 Mar
ONT5:15 a.m.Ontario
8h 10m
1 stop
LGA4:25 p.m.New York LaGuardia
C$ 262
Southwest
24 Feb
LGA2:00 p.m.New York LaGuardia
10h 45m
1 stop
ONT9:45 p.m.Ontario
3 Mar
ONT9:00 p.m.Ontario
9h 10m
2 stops
LGA9:10 a.m.New York LaGuardia
C$ 269
Southwest
24 Feb
LGA2:30 p.m.New York LaGuardia
10h 15m
2 stops
ONT9:45 p.m.Ontario
3 Mar
ONT9:00 p.m.Ontario
9h 10m
2 stops
LGA9:10 a.m.New York LaGuardia
C$ 276

United Airlines flights from New York LaGuardia Airport to Ontario

Our best United Airlines deals on New York LaGuardia Airport to Ontario flight tickets
United Airlines
9 Feb
LGA3:41 p.m.New York LaGuardia
9h 17m
1 stop
ONT9:58 p.m.Ontario
15 Feb
ONT5:00 a.m.Ontario
7h 45m
1 stop
LGA3:45 p.m.New York LaGuardia
C$ 343
United Airlines
4 Feb
LGA2:00 p.m.New York LaGuardia
10h 59m
1 stop
ONT9:59 p.m.Ontario
25 Feb
ONT5:00 a.m.Ontario
7h 45m
1 stop
LGA3:45 p.m.New York LaGuardia
C$ 358
United Airlines
5 Feb
LGA3:41 p.m.New York LaGuardia
9h 17m
1 stop
ONT9:58 p.m.Ontario
12 Feb
ONT5:00 a.m.Ontario
7h 45m
1 stop
LGA3:45 p.m.New York LaGuardia
C$ 371

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 29 January 2026.
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

Tue 24/2

7:15 a.m.-2:35 p.m.

1 stop10h 20m

Ontario

Tue 3/3

5:15 a.m.-4:25 p.m.

1 stop8h 10m

C$ 262

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 24/2

2:00 p.m.-9:45 p.m.

1 stop10h 45m

Ontario

Tue 3/3

9:00 p.m.-9:10 a.m.

2 stops9h 10m

C$ 269

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 24/2

2:30 p.m.-9:45 p.m.

2 stops10h 15m

Ontario

Tue 3/3

9:00 p.m.-9:10 a.m.

2 stops9h 10m

C$ 276

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 9/2

3:41 p.m.-9:58 p.m.

1 stop9h 17m

Ontario

Sun 15/2

5:00 a.m.-3:45 p.m.

1 stop7h 45m

C$ 343

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 24/2

4:30 p.m.-9:45 p.m.

1 stop8h 15m

Ontario

Fri 27/2

10:05 a.m.-8:20 p.m.

1 stop7h 15m

C$ 346

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sun 1/3

5:45 p.m.-11:35 p.m.

1 stop8h 50m

Ontario

Tue 24/3

1:40 p.m.-11:25 p.m.

1 stop6h 45m

C$ 348

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 28/2

6:35 a.m.-12:07 p.m.

1 stop8h 32m

Ontario

Mon 2/3

10:20 p.m.-8:48 a.m.

1 stop7h 28m

C$ 349

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 26/2

2:00 p.m.-9:05 p.m.

1 stop10h 05m

Ontario

Wed 4/3

10:20 p.m.-8:48 a.m.

1 stop7h 28m

C$ 350

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 26/2

1:00 p.m.-9:05 p.m.

1 stop11h 05m

Ontario

Wed 4/3

1:15 p.m.-11:42 p.m.

1 stop7h 27m

C$ 352

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 26/3

8:30 a.m.-3:40 p.m.

1 stop10h 10m

Ontario

Tue 7/4

11:55 p.m.-11:20 a.m.

1 stop8h 25m

C$ 353

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 October is, on average, the cheapest month to fly to Ontario from New York LaGuardia Airport, with most prices found around C$ 320. The month of November is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 430.

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

As of January 2026, prices for New York LaGuardia Airport to Ontario flights are approximately 57% 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

Fastest flight time

28h 48m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Ontario takes 28h 48m
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.
Search flight deals

  • 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 28h 48m.

  • 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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