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Cheap flights from New York LaGuardia Airport to Los Angeles from C$ 194

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 2/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
United Airlines Logo
2:20 p.m. - 9:50 p.m.
LGA
-
ONT
10h 30m
1 stop
United Airlines Logo
5:10 a.m. - 3:50 p.m.
ONT
-
LGA
7h 40m
1 stop
C$ 379United Airlines
Wed, 22 Apr - Tue, 28 Apr
Delta Logo
6:00 a.m. - 11:36 a.m.
LGA
-
ONT
8h 36m
1 stop
Delta Logo
10:15 p.m. - 9:39 a.m.
ONT
-
LGA
8h 24m
1 stop
C$ 386Delta
Tue, 28 Apr - Tue, 5 May
United Airlines Logo
2:10 p.m. - 10:45 p.m.
LGA
-
ONT
11h 35m
2 stops
United Airlines Logo
5:10 a.m. - 3:50 p.m.
ONT
-
LGA
7h 40m
1 stop
C$ 387United Airlines
Wed, 22 Apr - Tue, 28 Apr
Southwest Logo
10:10 a.m. - 3:10 p.m.
LGA
-
ONT
8h 00m
1 stop
Southwest Logo
10:30 a.m. - 10:45 p.m.
ONT
-
LGA
9h 15m
2 stops
C$ 393Southwest
Wed, 15 Apr - Wed, 22 Apr
Southwest Logo
7:15 a.m. - 3:05 p.m.
LGA
-
ONT
10h 50m
2 stops
Southwest Logo
10:30 a.m. - 10:45 p.m.
ONT
-
LGA
9h 15m
2 stops
C$ 400Southwest
Wed, 15 Apr - Wed, 22 Apr
Delta Logo
3:05 p.m. - 11:44 p.m.
LGA
-
ONT
11h 39m
2 stops
Delta Logo
6:00 a.m. - 9:57 p.m.
ONT
-
LGA
12h 57m
2 stops
C$ 401Delta
Wed, 15 Apr - Sat, 18 Apr
Southwest Logo
4:25 p.m. - 10:25 p.m.
LGA
-
ONT
9h 00m
1 stop
Southwest Logo
10:40 a.m. - 10:45 p.m.
ONT
-
LGA
9h 05m
1 stop
C$ 404Southwest
Wed, 8 Apr - Wed, 15 Apr
Southwest Logo
3:05 p.m. - 10:10 p.m.
LGA
-
ONT
10h 05m
2 stops
Southwest Logo
11:55 p.m. - 12:35 p.m.
ONT
-
LGA
9h 40m
1 stop
C$ 406Southwest
Tue, 7 Apr - Tue, 14 Apr
Southwest Logo
3:05 p.m. - 10:10 p.m.
LGA
-
ONT
10h 05m
2 stops
Southwest Logo
11:55 p.m. - 12:35 p.m.
ONT
-
LGA
9h 40m
1 stop
C$ 411Southwest
Tue, 7 Apr - Tue, 14 Apr
Delta Logo
1:59 p.m. - 9:00 p.m.
LGA
-
ONT
10h 01m
1 stop
Delta Logo
12:49 p.m. - 11:41 p.m.
ONT
-
LGA
7h 52m
1 stop
C$ 412Delta
Mon, 20 Apr - Tue, 28 Apr

Southwest flights from New York LaGuardia Airport to Ontario

Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Southwest
15 Apr
LGA10:10 a.m.New York LaGuardia
8h 00m
1 stop
ONT3:10 p.m.Ontario
22 Apr
ONT10:30 a.m.Ontario
9h 15m
2 stops
LGA10:45 p.m.New York LaGuardia
C$ 393
Southwest
15 Apr
LGA7:15 a.m.New York LaGuardia
10h 50m
2 stops
ONT3:05 p.m.Ontario
22 Apr
ONT10:30 a.m.Ontario
9h 15m
2 stops
LGA10:45 p.m.New York LaGuardia
C$ 400
Southwest
8 Apr
LGA4:25 p.m.New York LaGuardia
9h 00m
1 stop
ONT10:25 p.m.Ontario
15 Apr
ONT10:40 a.m.Ontario
9h 05m
1 stop
LGA10:45 p.m.New York LaGuardia
C$ 404

Delta flights from New York LaGuardia Airport to Ontario

Our best Delta deals on New York LaGuardia Airport to Ontario flight tickets
Delta
28 Apr
LGA6:00 a.m.New York LaGuardia
8h 36m
1 stop
ONT11:36 a.m.Ontario
5 May
ONT10:15 p.m.Ontario
8h 24m
1 stop
LGA9:39 a.m.New York LaGuardia
C$ 386
Delta
15 Apr
LGA3:05 p.m.New York LaGuardia
11h 39m
2 stops
ONT11:44 p.m.Ontario
18 Apr
ONT6:00 a.m.Ontario
12h 57m
2 stops
LGA9:57 p.m.New York LaGuardia
C$ 401
Delta
20 Apr
LGA1:59 p.m.New York LaGuardia
10h 01m
1 stop
ONT9:00 p.m.Ontario
28 Apr
ONT12:49 p.m.Ontario
7h 52m
1 stop
LGA11:41 p.m.New York LaGuardia
C$ 412

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 20 March 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

Cheapest round-trip

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 22/4

2:20 p.m.-9:50 p.m.

1 stop10h 30m

Ontario

Tue 28/4

5:10 a.m.-3:50 p.m.

1 stop7h 40m

C$ 379
Quickest round-trip

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 28/4

6:00 a.m.-11:36 a.m.

1 stop8h 36m

Ontario

Tue 5/5

10:15 p.m.-9:39 a.m.

1 stop8h 24m

C$ 386

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 22/4

2:10 p.m.-10:45 p.m.

2 stops11h 35m

Ontario

Tue 28/4

5:10 a.m.-3:50 p.m.

1 stop7h 40m

C$ 387

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 15/4

10:10 a.m.-3:10 p.m.

1 stop8h 00m

Ontario

Wed 22/4

10:30 a.m.-10:45 p.m.

2 stops9h 15m

C$ 393

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 15/4

7:15 a.m.-3:05 p.m.

2 stops10h 50m

Ontario

Wed 22/4

10:30 a.m.-10:45 p.m.

2 stops9h 15m

C$ 400

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 15/4

3:05 p.m.-11:44 p.m.

2 stops11h 39m

Ontario

Sat 18/4

6:00 a.m.-9:57 p.m.

2 stops12h 57m

C$ 401

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 8/4

4:25 p.m.-10:25 p.m.

1 stop9h 00m

Ontario

Wed 15/4

10:40 a.m.-10:45 p.m.

1 stop9h 05m

C$ 404

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 7/4

3:05 p.m.-10:10 p.m.

2 stops10h 05m

Ontario

Tue 14/4

11:55 p.m.-12:35 p.m.

1 stop9h 40m

C$ 406

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 7/4

3:05 p.m.-10:10 p.m.

2 stops10h 05m

Ontario

Tue 14/4

11:55 p.m.-12:35 p.m.

1 stop9h 40m

C$ 411

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 20/4

1:59 p.m.-9:00 p.m.

1 stop10h 01m

Ontario

Tue 28/4

12:49 p.m.-11:41 p.m.

1 stop7h 52m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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$ 324. The month of February is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 383.

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

As of March 2026, prices for New York LaGuardia Airport to Ontario flights are approximately 39% 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 56m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Ontario takes 28h 56m
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 56m.

  • 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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