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Cheap flights from New York LaGuardia Airport to Los Angeles from C$ 231

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. - 11:07 a.m.LGA  New York LaGuardia-ONT Ontario
8h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:20 p.m. - 10:39 p.m.ONT  Ontario-LGA New York LaGuardia
7h 19m1 stop Atlanta Hartsfield-Jackson
C$ 460Delta
Thu, 3 Dec - Tue, 8 Dec
Delta Logo
1:59 p.m. - 9:55 p.m.LGA  New York LaGuardia-ONT Ontario
10h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 5:39 p.m.ONT  Ontario-LGA New York LaGuardia
7h 34m1 stop Atlanta Hartsfield-Jackson
C$ 462Delta
Thu, 3 Dec - Wed, 9 Dec
Delta Logo
1:59 p.m. - 9:55 p.m.LGA  New York LaGuardia-ONT Ontario
10h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 5:39 p.m.ONT  Ontario-LGA New York LaGuardia
7h 34m1 stop Atlanta Hartsfield-Jackson
C$ 463Delta
Thu, 3 Dec - Wed, 9 Dec
Delta Logo
1:59 p.m. - 9:55 p.m.LGA  New York LaGuardia-ONT Ontario
10h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 5:39 p.m.ONT  Ontario-LGA New York LaGuardia
7h 34m1 stop Atlanta Hartsfield-Jackson
C$ 465Delta
Thu, 3 Dec - Wed, 9 Dec
United Airlines Logo
3:39 p.m. - 9:40 p.m.LGA  New York LaGuardia-ONT Ontario
9h 01m1 stop Houston George Bush Intcntl
United Airlines Logo
1:29 p.m. - 11:15 p.m.ONT  Ontario-LGA New York LaGuardia
6h 46m1 stop Denver Intl
C$ 467United Airlines
Wed, 18 Nov - Wed, 25 Nov
Delta Logo
12:59 p.m. - 6:38 p.m.LGA  New York LaGuardia-ONT Ontario
8h 39m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:08 p.m. - 9:44 a.m.ONT  Ontario-LGA New York LaGuardia
7h 36m1 stop Atlanta Hartsfield-Jackson
C$ 474Delta
Fri, 4 Dec - Sun, 13 Dec
Delta Logo
3:00 p.m. - 8:58 p.m.LGA  New York LaGuardia-ONT Ontario
8h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:08 p.m. - 9:44 a.m.ONT  Ontario-LGA New York LaGuardia
7h 36m1 stop Atlanta Hartsfield-Jackson
C$ 481Delta
Wed, 2 Dec - Sun, 6 Dec
Delta Logo
11:00 a.m. - 6:22 p.m.LGA  New York LaGuardia-ONT Ontario
10h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 a.m. - 5:42 p.m.ONT  Ontario-LGA New York LaGuardia
7h 42m1 stop Atlanta Hartsfield-Jackson
C$ 490Delta
Sat, 1 May - Sat, 8 May
Delta Logo
6:00 a.m. - 11:07 a.m.LGA  New York LaGuardia-ONT Ontario
8h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 5:39 p.m.ONT  Ontario-LGA New York LaGuardia
7h 34m1 stop Atlanta Hartsfield-Jackson
C$ 497Delta
Thu, 3 Dec - Wed, 9 Dec
Delta Logo
6:00 a.m. - 11:07 a.m.LGA  New York LaGuardia-ONT Ontario
8h 07m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 a.m. - 5:39 p.m.ONT  Ontario-LGA New York LaGuardia
7h 34m1 stop Atlanta Hartsfield-Jackson
C$ 500Delta
Thu, 3 Dec - Wed, 9 Dec

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Delta flights from New York LaGuardia Airport to Ontario

Our best Delta deals on New York LaGuardia Airport to Ontario flight tickets
Delta
3 Dec
LGA6:00 a.m.New York LaGuardia
8h 07m
1 stop
ONT11:07 a.m.Ontario
8 Dec
ONT12:20 p.m.Ontario
7h 19m
1 stop
LGA10:39 p.m.New York LaGuardia
C$ 460
Delta
3 Dec
LGA1:59 p.m.New York LaGuardia
10h 56m
1 stop
ONT9:55 p.m.Ontario
9 Dec
ONT7:05 a.m.Ontario
7h 34m
1 stop
LGA5:39 p.m.New York LaGuardia
C$ 462
Delta
3 Dec
LGA1:59 p.m.New York LaGuardia
10h 56m
1 stop
ONT9:55 p.m.Ontario
9 Dec
ONT7:05 a.m.Ontario
7h 34m
1 stop
LGA5:39 p.m.New York LaGuardia
C$ 463

Southwest flights from New York LaGuardia Airport to Ontario

Our best Southwest deals on New York LaGuardia Airport to Ontario flight tickets
Southwest
16 Jan
LGA7:30 a.m.New York LaGuardia
13h 15m
2 stops
ONT5:45 p.m.Ontario
24 Jan
ONT12:20 p.m.Ontario
7h 30m
1 stop
LGA10:50 p.m.New York LaGuardia
C$ 546
Southwest
3 Dec
LGA2:40 p.m.New York LaGuardia
10h 25m
1 stop
ONT10:05 p.m.Ontario
14 Dec
ONT10:05 a.m.Ontario
9h 05m
2 stops
LGA10:10 p.m.New York LaGuardia
C$ 566
Southwest
3 Dec
LGA7:00 a.m.New York LaGuardia
10h 50m
2 stops
ONT2:50 p.m.Ontario
13 Dec
ONT12:40 p.m.Ontario
7h 15m
1 stop
LGA10:55 p.m.New York LaGuardia
C$ 587

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
Quickest round-trip

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 3/12

6:00 a.m.-11:07 a.m.

1 stop8h 07m

Ontario

Tue 8/12

12:20 p.m.-10:39 p.m.

1 stop7h 19m

C$ 460

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 3/12

1:59 p.m.-9:55 p.m.

1 stop10h 56m

Ontario

Wed 9/12

7:05 a.m.-5:39 p.m.

1 stop7h 34m

C$ 462

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 3/12

1:59 p.m.-9:55 p.m.

1 stop10h 56m

Ontario

Wed 9/12

7:05 a.m.-5:39 p.m.

1 stop7h 34m

C$ 463

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 3/12

1:59 p.m.-9:55 p.m.

1 stop10h 56m

Ontario

Wed 9/12

7:05 a.m.-5:39 p.m.

1 stop7h 34m

C$ 465

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Wed 18/11

3:39 p.m.-9:40 p.m.

1 stop9h 01m

Ontario

Wed 25/11

1:29 p.m.-11:15 p.m.

1 stop6h 46m

C$ 467

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Fri 4/12

12:59 p.m.-6:38 p.m.

1 stop8h 39m

Ontario

Sun 13/12

11:08 p.m.-9:44 a.m.

1 stop7h 36m

C$ 474

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Wed 2/12

3:00 p.m.-8:58 p.m.

1 stop8h 58m

Ontario

Sun 6/12

11:08 p.m.-9:44 a.m.

1 stop7h 36m

C$ 481

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Sat 1/5

11:00 a.m.-6:22 p.m.

1 stop10h 22m

Ontario

Sat 8/5

7:00 a.m.-5:42 p.m.

1 stop7h 42m

C$ 490

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 3/12

6:00 a.m.-11:07 a.m.

1 stop8h 07m

Ontario

Wed 9/12

7:05 a.m.-5:39 p.m.

1 stop7h 34m

C$ 497

New YorkOntario

LGA New York LaGuardia - ONT Ontario

LGAONT

New York LaGuardia

Thu 3/12

6:00 a.m.-11:07 a.m.

1 stop8h 07m

Ontario

Wed 9/12

7:05 a.m.-5:39 p.m.

1 stop7h 34m

C$ 500

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$ 393. The month of January is another great option to travel to Ontario, with average flight prices from New York LaGuardia Airport averaging around C$ 459.

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

As of November 2026, prices for New York LaGuardia Airport to Ontario flights are approximately 18% cheaper 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$ 231

Fastest flight time

8h 22m

Direct flights

None
The best one-way flight to Ontario from New York LaGuardia Airport in the past 72 hours is C$ 231. The best round-trip flight deal from New York LaGuardia Airport to Ontario found on momondo in the last 72 hours is C$ 460.
The fastest flight from New York LaGuardia Airport to Ontario takes 8h 22m
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 22m.

  • 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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