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Cheap flights from New York LaGuardia Airport to Los Angeles from C$ 185

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 25/8. 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

United Airlines Logo
3:15 p.m. - 10:31 p.m.LGA-ONT
10h 16m1 stop
United Airlines Logo
7:00 a.m. - 5:07 p.m.ONT-LGA
7h 07m1 stop
C$ 369United Airlines
Find Deal
Thu, 30 Oct - Mon, 3 Nov
Southwest Logo
5:35 p.m. - 11:40 p.m.LGA-ONT
9h 05m1 stop
Southwest Logo
6:35 a.m. - 6:10 p.m.ONT-LGA
8h 35m1 stop
C$ 382Southwest
Find Deal
Fri, 17 Oct - Mon, 20 Oct
Delta Logo
6:00 a.m. - 10:35 a.m.LGA-ONT
7h 35m1 stop
Delta Logo
11:45 a.m. - 10:25 p.m.ONT-LGA
7h 40m1 stop
C$ 383Delta
Find Deal
Wed, 27 Aug - Wed, 3 Sep
Delta Logo
1:59 p.m. - 7:11 p.m.LGA-ONT
8h 12m1 stop
Delta Logo
11:45 a.m. - 11:24 p.m.ONT-LGA
8h 39m1 stop
C$ 389Delta
Find Deal
Tue, 26 Aug - Sun, 31 Aug
Delta Logo
3:00 p.m. - 10:23 p.m.LGA-ONT
10h 23m1 stop
Delta Logo
10:00 p.m. - 11:46 a.m.ONT-LGA
10h 46m2 stops
C$ 390Delta
Find Deal
Thu, 11 Sep - Mon, 15 Sep
Delta Logo
4:00 p.m. - 10:20 p.m.LGA-ONT
9h 20m1 stop
Delta Logo
11:45 a.m. - 11:24 p.m.ONT-LGA
8h 39m1 stop
C$ 394Delta
Find Deal
Fri, 22 Aug - Sun, 31 Aug
Delta Logo
2:00 p.m. - 7:19 p.m.LGA-ONT
8h 19m1 stop
Delta Logo
6:00 a.m. - 7:35 p.m.ONT-LGA
10h 35m2 stops
C$ 396Delta
Find Deal
Sat, 1 Nov - Wed, 5 Nov
Delta Logo
12:00 p.m. - 9:20 p.m.LGA-ONT
12h 20m2 stops
Delta Logo
7:05 a.m. - 8:02 p.m.ONT-LGA
9h 57m2 stops
C$ 397Delta
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Southwest Logo
6:30 a.m. - 12:40 p.m.LGA-ONT
9h 10m2 stops
Southwest Logo
5:25 a.m. - 4:25 p.m.ONT-LGA
8h 00m1 stop
C$ 418Southwest
Find Deal
Thu, 28 Aug - Tue, 2 Sep
United Airlines Logo
3:45 p.m. - 9:25 p.m.LGA-ONT
8h 40m1 stop
United Airlines Logo
7:00 a.m. - 6:17 p.m.ONT-LGA
8h 17m1 stop
C$ 508United Airlines
Find Deal
Thu, 11 Sep - Mon, 15 Sep

Southwest flights from New York LaGuardia Airport to Ontario

Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Southwest
17 Oct
LGA5:35 p.m.New York LaGuardia
9h 05m
1 stop
ONT11:40 p.m.Ontario
20 Oct
ONT6:35 a.m.Ontario
8h 35m
1 stop
LGA6:10 p.m.New York LaGuardia
C$ 382
Find similar
Southwest
28 Aug
LGA6:30 a.m.New York LaGuardia
9h 10m
2 stops
ONT12:40 p.m.Ontario
2 Sep
ONT5:25 a.m.Ontario
8h 00m
1 stop
LGA4:25 p.m.New York LaGuardia
C$ 418
Find similar
Southwest
17 Oct
LGA6:40 a.m.New York LaGuardia
14h 20m
2 stops
ONT6:00 p.m.Ontario
20 Oct
ONT6:35 a.m.Ontario
8h 35m
1 stop
LGA6:10 p.m.New York LaGuardia
C$ 468
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
27 Aug
LGA6:00 a.m.New York LaGuardia
7h 35m
1 stop
ONT10:35 a.m.Ontario
3 Sep
ONT11:45 a.m.Ontario
7h 40m
1 stop
LGA10:25 p.m.New York LaGuardia
C$ 383
Find similar
Delta
26 Aug
LGA11:59 a.m.New York LaGuardia
10h 12m
1 stop
ONT7:11 p.m.Ontario
31 Aug
ONT11:45 a.m.Ontario
8h 39m
1 stop
LGA11:24 p.m.New York LaGuardia
C$ 389
Find similar
Delta
11 Sep
LGA3:00 p.m.New York LaGuardia
10h 23m
1 stop
ONT10:23 p.m.Ontario
15 Sep
ONT10:00 p.m.Ontario
10h 46m
2 stops
LGA11:46 a.m.New York LaGuardia
C$ 390
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 1 August 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 30/10

3:15 p.m.-10:31 p.m.

1 stop10h 16m

Ontario

Mon 3/11

7:00 a.m.-5:07 p.m.

1 stop7h 07m

C$ 369

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 17/10

5:35 p.m.-11:40 p.m.

1 stop9h 05m

Ontario

Mon 20/10

6:35 a.m.-6:10 p.m.

1 stop8h 35m

C$ 382

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 27/8

6:00 a.m.-10:35 a.m.

1 stop7h 35m

Ontario

Wed 3/9

11:45 a.m.-10:25 p.m.

1 stop7h 40m

C$ 383

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 26/8

1:59 p.m.-7:11 p.m.

1 stop8h 12m

Ontario

Sun 31/8

11:45 a.m.-11:24 p.m.

1 stop8h 39m

C$ 389

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 11/9

3:00 p.m.-10:23 p.m.

1 stop10h 23m

Ontario

Mon 15/9

10:00 p.m.-11:46 a.m.

2 stops10h 46m

C$ 390

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 22/8

4:00 p.m.-10:20 p.m.

1 stop9h 20m

Ontario

Sun 31/8

11:45 a.m.-11:24 p.m.

1 stop8h 39m

C$ 394

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 1/11

2:00 p.m.-7:19 p.m.

1 stop8h 19m

Ontario

Wed 5/11

6:00 a.m.-7:35 p.m.

2 stops10h 35m

C$ 396

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 28/10

12:00 p.m.-9:20 p.m.

2 stops12h 20m

Ontario

Tue 4/11

7:05 a.m.-8:02 p.m.

2 stops9h 57m

C$ 397

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 28/8

6:30 a.m.-12:40 p.m.

2 stops9h 10m

Ontario

Tue 2/9

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

1 stop8h 00m

C$ 418

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 11/9

3:45 p.m.-9:25 p.m.

1 stop8h 40m

Ontario

Mon 15/9

7:00 a.m.-6:17 p.m.

1 stop8h 17m

C$ 508

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 September is, on average, the cheapest month to fly to Ontario from New York LaGuardia Airport, with most prices found around C$ 396. The month of August is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 425.

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

As of August 2025, prices for New York LaGuardia Airport to Ontario flights are approximately 21% 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

Best price found

C$ 185

Fastest flight time

7h 35m

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 C$ 185. The best round-trip flight deal from New York LaGuardia Airport to Ontario found on momondo in the last 72 hours is C$ 369.
The fastest flight from New York LaGuardia Airport to Ontario takes 7h 35m
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)
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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 7h 35m.

  • 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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