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Cheap flights from New York LaGuardia Airport to Los Angeles from C$ 223

1 adult
1 adult, Economy, 0 bags

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
6:00 a.m. - 11:06 a.m.LGA  New York LaGuardia-ONT Ontario
8h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 p.m. - 10:41 p.m.ONT  Ontario-LGA New York LaGuardia
7h 25m1 stop Atlanta Hartsfield-Jackson
C$ 430Delta
Tue, 20 Oct - Wed, 28 Oct
United Airlines Logo
3:28 p.m. - 10:49 p.m.LGA  New York LaGuardia-ONT Ontario
10h 21m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 a.m. - 4:48 p.m.ONT  Ontario-LGA New York LaGuardia
7h 48m1 stop Houston George Bush Intcntl
C$ 434United Airlines
Fri, 16 Oct - Tue, 20 Oct
Delta Logo
12:59 p.m. - 6:07 p.m.LGA  New York LaGuardia-ONT Ontario
8h 08m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:00 p.m. - 9:38 a.m.ONT  Ontario-LGA New York LaGuardia
8h 38m1 stop Atlanta Hartsfield-Jackson
C$ 435Delta
Thu, 1 Oct - Mon, 5 Oct
United Airlines Logo
1:25 p.m. - 8:58 p.m.LGA  New York LaGuardia-ONT Ontario
10h 33m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
6:00 a.m. - 4:48 p.m.ONT  Ontario-LGA New York LaGuardia
7h 48m1 stop Houston George Bush Intcntl
C$ 442United Airlines
Wed, 30 Sep - Tue, 6 Oct
Southwest Logo
8:30 a.m. - 2:45 p.m.LGA  New York LaGuardia-ONT Ontario
9h 15m1 stop Houston Hobby
Southwest Logo
8:55 a.m. - 11:15 p.m.ONT  Ontario-LGA New York LaGuardia
11h 20m1 stop Denver Intl
C$ 449Southwest
Tue, 20 Oct - Sat, 24 Oct
Southwest Logo
7:00 a.m. - 2:00 p.m.LGA  New York LaGuardia-ONT Ontario
10h 00m2 stops Denver Intl Las Vegas Harry Reid Intl
Southwest Logo
11:55 p.m. - 12:40 p.m.ONT  Ontario-LGA New York LaGuardia
9h 45m1 stop Chicago Midway
C$ 450Southwest
Thu, 29 Oct - Thu, 5 Nov
Delta Logo
2:00 p.m. - 7:30 p.m.LGA  New York LaGuardia-ONT Ontario
8h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:10 p.m. - 9:37 a.m.ONT  Ontario-LGA New York LaGuardia
7h 27m1 stop Atlanta Hartsfield-Jackson
C$ 453Delta
Sat, 7 Nov - Mon, 9 Nov
Delta Logo
6:00 a.m. - 11:06 a.m.LGA  New York LaGuardia-ONT Ontario
8h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:18 p.m. - 11:41 p.m.ONT  Ontario-LGA New York LaGuardia
8h 23m1 stop Atlanta Hartsfield-Jackson
C$ 455Delta
Sat, 7 Nov - Sat, 14 Nov
Delta Logo
6:00 a.m. - 11:06 a.m.LGA  New York LaGuardia-ONT Ontario
8h 06m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:15 p.m. - 10:39 a.m.ONT  Ontario-LGA New York LaGuardia
8h 24m1 stop Atlanta Hartsfield-Jackson
C$ 456Delta
Sat, 7 Nov - Sun, 8 Nov
Delta Logo
5:00 p.m. - 9:57 p.m.LGA  New York LaGuardia-ONT Ontario
7h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:18 p.m. - 10:39 p.m.ONT  Ontario-LGA New York LaGuardia
7h 21m1 stop Atlanta Hartsfield-Jackson
C$ 457Delta
Mon, 9 Nov - Wed, 18 Nov

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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
16 Oct
LGA3:28 p.m.New York LaGuardia
10h 21m
1 stop
ONT10:49 p.m.Ontario
20 Oct
ONT6:00 a.m.Ontario
7h 48m
1 stop
LGA4:48 p.m.New York LaGuardia
C$ 434
United Airlines
30 Sep
LGA1:25 p.m.New York LaGuardia
10h 33m
2 stops
ONT8:58 p.m.Ontario
6 Oct
ONT6:00 a.m.Ontario
7h 48m
1 stop
LGA4:48 p.m.New York LaGuardia
C$ 442
United Airlines
10 Oct
LGA4:22 p.m.New York LaGuardia
9h 27m
1 stop
ONT10:49 p.m.Ontario
17 Oct
ONT7:00 a.m.Ontario
7h 25m
1 stop
LGA5:25 p.m.New York LaGuardia
C$ 485

Southwest flights from New York LaGuardia Airport to Ontario

Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Southwest
20 Oct
LGA8:30 a.m.New York LaGuardia
9h 15m
1 stop
ONT2:45 p.m.Ontario
24 Oct
ONT8:55 a.m.Ontario
11h 20m
1 stop
LGA11:15 p.m.New York LaGuardia
C$ 449
Southwest
29 Oct
LGA7:00 a.m.New York LaGuardia
10h 00m
2 stops
ONT2:00 p.m.Ontario
5 Nov
ONT11:55 p.m.Ontario
9h 45m
1 stop
LGA12:40 p.m.New York LaGuardia
C$ 450
Southwest
30 Sep
LGA6:55 a.m.New York LaGuardia
10h 30m
1 stop
ONT2:25 p.m.Ontario
2 Oct
ONT12:40 p.m.Ontario
7h 15m
1 stop
LGA10:55 p.m.New York LaGuardia
C$ 456

momondo Fare Finder

 
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 New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Tue 20/10

6:00 a.m.-11:06 a.m.

1 stop8h 06m

Ontario

Wed 28/10

12:16 p.m.-10:41 p.m.

1 stop7h 25m

C$ 430

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Fri 16/10

3:28 p.m.-10:49 p.m.

1 stop10h 21m

Ontario

Tue 20/10

6:00 a.m.-4:48 p.m.

1 stop7h 48m

C$ 434

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 1/10

12:59 p.m.-6:07 p.m.

1 stop8h 08m

Ontario

Mon 5/10

10:00 p.m.-9:38 a.m.

1 stop8h 38m

C$ 435

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Wed 30/9

1:25 p.m.-8:58 p.m.

2 stops10h 33m

Ontario

Tue 6/10

6:00 a.m.-4:48 p.m.

1 stop7h 48m

C$ 442

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Tue 20/10

8:30 a.m.-2:45 p.m.

1 stop9h 15m

Ontario

Sat 24/10

8:55 a.m.-11:15 p.m.

1 stop11h 20m

C$ 449

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 29/10

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

2 stops10h 00m

Ontario

Thu 5/11

11:55 p.m.-12:40 p.m.

1 stop9h 45m

C$ 450

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Sat 7/11

2:00 p.m.-7:30 p.m.

1 stop8h 30m

Ontario

Mon 9/11

11:10 p.m.-9:37 a.m.

1 stop7h 27m

C$ 453

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Sat 7/11

6:00 a.m.-11:06 a.m.

1 stop8h 06m

Ontario

Sat 14/11

12:18 p.m.-11:41 p.m.

1 stop8h 23m

C$ 455

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Sat 7/11

6:00 a.m.-11:06 a.m.

1 stop8h 06m

Ontario

Sun 8/11

11:15 p.m.-10:39 a.m.

1 stop8h 24m

C$ 456
Quickest round-trip

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Mon 9/11

5:00 p.m.-9:57 p.m.

1 stop7h 57m

Ontario

Wed 18/11

12:18 p.m.-10:39 p.m.

1 stop7h 21m

C$ 457

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 February is, on average, the cheapest month to fly to Ontario from New York LaGuardia Airport, with most prices found around C$ 389. The month of November is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 442.

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

As of September 2026, prices for New York LaGuardia Airport to Ontario flights are approximately 5% 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$ 223

Fastest flight time

8h 05m

Direct flights

None
The best one-way flight to Ontario from New York LaGuardia Airport in the past 72 hours is C$ 223. The best round-trip flight deal from New York LaGuardia Airport to Ontario found on momondo in the last 72 hours is C$ 430.
The fastest flight from New York LaGuardia Airport to Ontario takes 8h 05m
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

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 8h 05m.

  • 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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