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Cheap flights from New York to Los Angeles from £107

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 to Los Angeles departing on 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from New York to Los Angeles

Cheap return flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
15:45 - 22:37EWR-ONT
9h 52m1 stop
Alaska Airlines Logo
06:00 - 19:02ONT-EWR
10h 02m1 stop
£215Alaska Airlines
Find Deal
Wed, 18 Feb - Thu, 19 Feb
Delta Logo
06:29 - 12:34EWR-ONT
9h 05m1 stop
Delta Logo
22:30 - 10:58ONT-EWR
9h 28m1 stop
£230Delta
Find Deal
Thu, 11 Dec - Wed, 7 Jan
United Airlines Logo
15:30 - 20:50EWR-ONT
8h 20m1 stop
United Airlines Logo
18:37 - 05:59ONT-EWR
8h 22m1 stop
£230United Airlines
Find Deal
Sat, 21 Feb - Thu, 26 Feb
Alaska Airlines Logo
16:29 - 23:29EWR-ONT
10h 00m1 stop
Alaska Airlines Logo
06:00 - 18:26ONT-EWR
9h 26m1 stop
£233Alaska Airlines
Find Deal
Fri, 5 Dec - Tue, 9 Dec
Delta Logo
19:00 - 23:58EWR-ONT
7h 58m1 stop
Delta Logo
13:29 - 23:59ONT-EWR
7h 30m1 stop
£233Delta
Find Deal
Thu, 4 Dec - Sat, 6 Dec
United Airlines Logo
06:00 - 12:47EWR-ONT
9h 47m1 stop
United Airlines Logo
06:00 - 16:29ONT-EWR
7h 29m1 stop
£234United Airlines
Find Deal
Sat, 21 Feb - Wed, 25 Feb
United Airlines Logo
08:35 - 17:41EWR-ONT
12h 06m2 stops
United Airlines Logo
13:45 - 23:24ONT-EWR
6h 39m1 stop
£235United Airlines
Find Deal
Sat, 21 Feb - Thu, 26 Feb
Alaska Airlines Logo
16:36 - 23:56EWR-ONT
10h 20m1 stop
Alaska Airlines Logo
06:00 - 19:02ONT-EWR
10h 02m1 stop
£236Alaska Airlines
Find Deal
Sun, 8 Feb - Tue, 17 Feb
Delta Logo
15:30 - 23:58EWR-ONT
11h 28m2 stops
Delta Logo
16:49 - 05:14ONT-EWR
9h 25m1 stop
£237Delta
Find Deal
Fri, 5 Dec - Mon, 8 Dec
American Airlines Logo
08:10 - 14:18EWR-ONT
9h 08m1 stop
American Airlines Logo
23:59 - 16:29ONT-EWR
13h 30m2 stops
£284American Airlines
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Sat, 24 Jan - Sun, 25 Jan

Alaska Airlines flights from New York to Ontario

Our best Alaska Airlines deals on New York to Ontario flight tickets
Alaska Airlines
18 Feb
EWR15:45Newark
9h 52m
1 stop
ONT22:37Ontario
19 Feb
ONT06:00Ontario
10h 02m
1 stop
EWR19:02Newark
£215
Find similar
Alaska Airlines
5 Dec
EWR16:29Newark
10h 00m
1 stop
ONT23:29Ontario
9 Dec
ONT06:00Ontario
9h 26m
1 stop
EWR18:26Newark
£233
Find similar
Alaska Airlines
8 Feb
EWR16:36Newark
10h 20m
1 stop
ONT23:56Ontario
17 Feb
ONT06:00Ontario
10h 02m
1 stop
EWR19:02Newark
£236
Find similar

Delta flights from New York to Ontario

Our best Delta deals on New York to Ontario flight tickets
Delta
11 Dec
EWR06:29Newark
9h 05m
1 stop
ONT12:34Ontario
7 Jan
ONT22:30Ontario
9h 28m
1 stop
EWR10:58Newark
£230
Find similar
Delta
4 Dec
EWR19:00Newark
7h 58m
1 stop
ONT23:58Ontario
7 Dec
ONT12:12Ontario
9h 47m
1 stop
EWR00:59Newark
£233
Find similar
Delta
5 Dec
EWR15:30Newark
11h 28m
2 stops
ONT23:58Ontario
8 Dec
ONT16:49Ontario
9h 25m
1 stop
EWR05:14Newark
£237
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from New York 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 279,928 searches. Data last updated 3 November 2025.
Use the filters below to find and compare flights from New York to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 18/2

15:45-22:37

1 stop9h 52m

Ontario

Thu 19/2

06:00-19:02

1 stop10h 02m

£215

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 11/12

06:29-12:34

1 stop9h 05m

Ontario

Wed 7/1

22:30-10:58

1 stop9h 28m

£230

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 21/2

15:30-20:50

1 stop8h 20m

Ontario

Thu 26/2

18:37-05:59

1 stop8h 22m

£230

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 5/12

16:29-23:29

1 stop10h 00m

Ontario

Tue 9/12

06:00-18:26

1 stop9h 26m

£233

NewarkOntario

EWR - ONT

EWRONT

Newark

Thu 4/12

19:00-23:58

1 stop7h 58m

Ontario

Sat 6/12

13:29-23:59

1 stop7h 30m

£233

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 21/2

06:00-12:47

1 stop9h 47m

Ontario

Wed 25/2

06:00-16:29

1 stop7h 29m

£234

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 21/2

08:35-17:41

2 stops12h 06m

Ontario

Thu 26/2

13:45-23:24

1 stop6h 39m

£235

NewarkOntario

EWR - ONT

EWRONT

Newark

Sun 8/2

16:36-23:56

1 stop10h 20m

Ontario

Tue 17/2

06:00-19:02

1 stop10h 02m

£236

NewarkOntario

EWR - ONT

EWRONT

Newark

Fri 5/12

15:30-23:58

2 stops11h 28m

Ontario

Mon 8/12

16:49-05:14

1 stop9h 25m

£237

NewarkOntario

EWR - ONT

EWRONT

Newark

Sat 24/1

08:10-14:18

1 stop9h 08m

Ontario

Sun 25/1

23:59-16:29

2 stops13h 30m

£284

Flights are sorted by cheapest return 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 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 and Ontario?

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, with most prices found around £218. If you’re not able to fly to Ontario in September, then July is your next best option. Flight prices from New York to Ontario during July average around £222.

What is the cheapest New York to Ontario flight route?

Fly from New York John F Kennedy Intl to Ontario for the best New York - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from New York when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £273 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from New York for as low as £205 on momondo.

What cabin class options are available on New York to Ontario flights?

There is only 1 cabin class available to choose from on New York to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New York to Ontario flights?

You could potentially save up to 15% on your flight if you consider stops on a New York to Ontario flight.

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

As of November 2025, prices for New York to Ontario flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from New York to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from New York to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap New York to Ontario (NYC to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York to Ontario

Direct flights

None
There are no direct flights from New York to Ontario. There are no popular flight routes from New York to Ontario.
Search flight deals

  • How far is New York to Ontario by plane?

    A flight from New York to Ontario will travel around 2413.4 mi. In terms of flight time, this usually takes a little over 7h 38m.

  • When did momondo last update prices for flights from New York to Ontario Airport?

    Prices for flights from New York to Ontario Airport are refreshed on a daily basis.

  • How old do you have to be to fly from New York to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from New York to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from New York to Ontario?

Why use momondo?

Why should I use momondo to find a flight deal from New York to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New York to Ontario . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New York to Ontario with flexible booking policies on momondo?

All flight searches from New York to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New York to Ontario?

Once all potential New York to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from New York to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from New York are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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