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Cheap flights from New York LaGuardia Airport to Los Angeles from C$ 203

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 2/6. 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.
Delta Logo
1:55 p.m. - 11:34 p.m.
LGA
-
ONT
12h 39m
2 stops
Delta Logo
7:05 a.m. - 9:58 p.m.
ONT
-
LGA
11h 53m
2 stops
C$ 391Delta
Fri, 29 May - Sat, 30 May
Delta Logo
6:00 a.m. - 10:42 a.m.
LGA
-
ONT
7h 42m
1 stop
Delta Logo
10:00 p.m. - 8:10 a.m.
ONT
-
LGA
7h 10m
1 stop
C$ 404Delta
Wed, 5 Aug - Sun, 9 Aug
Southwest Logo
3:00 p.m. - 10:40 p.m.
LGA
-
ONT
10h 40m
2 stops
Southwest Logo
11:55 p.m. - 11:20 a.m.
ONT
-
LGA
8h 25m
1 stop
C$ 413Southwest
Fri, 29 May - Sat, 30 May
Delta Logo
12:40 p.m. - 9:48 p.m.
LGA
-
ONT
12h 08m
2 stops
Delta Logo
10:00 p.m. - 10:46 a.m.
ONT
-
LGA
9h 46m
1 stop
C$ 418Delta
Sat, 16 May - Tue, 19 May
Southwest Logo
7:15 a.m. - 3:10 p.m.
LGA
-
ONT
10h 55m
1 stop
Southwest Logo
7:00 a.m. - 10:20 p.m.
ONT
-
LGA
12h 20m
1 stop
C$ 421Southwest
Wed, 20 May - Sun, 24 May
Delta Logo
12:40 p.m. - 9:48 p.m.
LGA
-
ONT
12h 08m
2 stops
Delta Logo
10:00 p.m. - 12:14 p.m.
ONT
-
LGA
11h 14m
2 stops
C$ 425Delta
Sat, 16 May - Tue, 19 May
Delta Logo
6:00 a.m. - 10:42 a.m.
LGA
-
ONT
7h 42m
1 stop
Delta Logo
10:00 p.m. - 8:10 a.m.
ONT
-
LGA
7h 10m
1 stop
C$ 433Delta
Tue, 18 Aug - Sun, 23 Aug
Delta Logo
6:00 a.m. - 10:57 a.m.
LGA
-
ONT
7h 57m
1 stop
Delta Logo
7:05 a.m. - 5:49 p.m.
ONT
-
LGA
7h 44m
1 stop
C$ 436Delta
Wed, 3 Jun - Sun, 7 Jun
Delta Logo
1:45 p.m. - 9:56 p.m.
LGA
-
ONT
11h 11m
2 stops
Delta Logo
10:59 p.m. - 10:47 a.m.
ONT
-
LGA
8h 48m
1 stop
C$ 440Delta
Wed, 19 Aug - Sun, 23 Aug
Delta Logo
7:55 a.m. - 4:17 p.m.
LGA
-
ONT
11h 22m
2 stops
Delta Logo
6:00 a.m. - 7:31 p.m.
ONT
-
LGA
10h 31m
2 stops
C$ 447Delta
Sun, 24 May - Thu, 28 May

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
27 May
LGA3:38 p.m.New York LaGuardia
9h 17m
1 stop
ONT9:55 p.m.Ontario
3 Jun
ONT5:00 a.m.Ontario
9h 24m
1 stop
LGA5:24 p.m.New York LaGuardia
C$ 493
United Airlines
21 Aug
LGA2:00 p.m.New York LaGuardia
10h 59m
1 stop
ONT9:59 p.m.Ontario
25 Aug
ONT5:45 a.m.Ontario
10h 20m
1 stop
LGA7:05 p.m.New York LaGuardia
C$ 500
United Airlines
27 May
LGA3:38 p.m.New York LaGuardia
9h 17m
1 stop
ONT9:55 p.m.Ontario
30 May
ONT5:45 a.m.Ontario
14h 30m
2 stops
LGA11:15 p.m.New York LaGuardia
C$ 507

Southwest flights from New York LaGuardia Airport to Ontario

Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Southwest
29 May
LGA3:00 p.m.New York LaGuardia
10h 40m
2 stops
ONT10:40 p.m.Ontario
30 May
ONT11:55 p.m.Ontario
8h 25m
1 stop
LGA11:20 a.m.New York LaGuardia
C$ 413
Southwest
20 May
LGA7:15 a.m.New York LaGuardia
10h 55m
1 stop
ONT3:10 p.m.Ontario
24 May
ONT7:00 a.m.Ontario
12h 20m
1 stop
LGA10:20 p.m.New York LaGuardia
C$ 421
Southwest
29 May
LGA6:55 a.m.New York LaGuardia
9h 15m
1 stop
ONT1:10 p.m.Ontario
2 Jun
ONT10:30 a.m.Ontario
9h 15m
2 stops
LGA10:45 p.m.New York LaGuardia
C$ 451

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 6 May 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

Fri 29/5

1:55 p.m.-11:34 p.m.

2 stops12h 39m

Ontario

Sat 30/5

7:05 a.m.-9:58 p.m.

2 stops11h 53m

C$ 391
Quickest round-trip

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 5/8

6:00 a.m.-10:42 a.m.

1 stop7h 42m

Ontario

Sun 9/8

10:00 p.m.-8:10 a.m.

1 stop7h 10m

C$ 404

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 29/5

3:00 p.m.-10:40 p.m.

2 stops10h 40m

Ontario

Sat 30/5

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

1 stop8h 25m

C$ 413

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 16/5

12:40 p.m.-9:48 p.m.

2 stops12h 08m

Ontario

Tue 19/5

10:00 p.m.-10:46 a.m.

1 stop9h 46m

C$ 418

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 20/5

7:15 a.m.-3:10 p.m.

1 stop10h 55m

Ontario

Sun 24/5

7:00 a.m.-10:20 p.m.

1 stop12h 20m

C$ 421

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 16/5

12:40 p.m.-9:48 p.m.

2 stops12h 08m

Ontario

Tue 19/5

10:00 p.m.-12:14 p.m.

2 stops11h 14m

C$ 425

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 18/8

6:00 a.m.-10:42 a.m.

1 stop7h 42m

Ontario

Sun 23/8

10:00 p.m.-8:10 a.m.

1 stop7h 10m

C$ 433

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 3/6

6:00 a.m.-10:57 a.m.

1 stop7h 57m

Ontario

Sun 7/6

7:05 a.m.-5:49 p.m.

1 stop7h 44m

C$ 436

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 19/8

1:45 p.m.-9:56 p.m.

2 stops11h 11m

Ontario

Sun 23/8

10:59 p.m.-10:47 a.m.

1 stop8h 48m

C$ 440

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sun 24/5

7:55 a.m.-4:17 p.m.

2 stops11h 22m

Ontario

Thu 28/5

6:00 a.m.-7:31 p.m.

2 stops10h 31m

C$ 447

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 typical price of a round-trip flight between New York LaGuardia Airport and Ontario?

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$ 321. The month of February is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 380.

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

As of May 2026, prices for New York LaGuardia Airport to Ontario flights are approximately 62% 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

11h 17m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Ontario takes 11h 17m
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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Frequently asked questions about flying from New York LaGuardia Airport to Ontario

  • 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 11h 17m.

  • 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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