JFK - ONT

$160 Find Cheap Flights from New York John F Kennedy Airport to Ontario - Compare and Save

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Everything you should know

Cheapest round-trip
$320
Typical prices: $310-$486
American Airlines
Thu 1/11Tue 1/16
JFK - ONT • 1 stop
Cheapest non-stop
$417
Typical prices: $315-$451
JetBlue
Tue 10/16Wed 10/17
JFK - ONT • Non-stop
Nonstop flights
There are currently no direct flights between New York John F Kennedy Intl Airport and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $273 (round-trip)
Shortest trip • 7h 53m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from John F Kennedy Intl to Ontario (JFK-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from John F Kennedy Intl to Ontario

Mon, Jan 11 - Sat, Jan 16
American Airlines Logo
12:00 pm - 6:16 pmJFK  New York John F Kennedy Intl-ONT Ontario
9h 16m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:20 am - 7:00 pmONT  Ontario-JFK New York John F Kennedy Intl
9h 40m1 stop Phoenix Sky Harbor Intl
$320American Airlines
Mon, Jan 11 - Sat, Jan 16
American Airlines Logo
9:00 am - 3:29 pmJFK  New York John F Kennedy Intl-ONT Ontario
9h 29m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:44 am - 7:30 pmONT  Ontario-JFK New York John F Kennedy Intl
10h 46m2 stops Dallas/Fort Worth Chicago O'Hare Intl
$325American Airlines
Thu, Dec 3 - Tue, Dec 8
Delta Logo
6:45 pm - 11:57 pmJFK  New York John F Kennedy Intl-ONT Ontario
8h 12m1 stop Salt Lake City
Delta Logo
12:20 pm - 1:00 amONT  Ontario-JFK New York John F Kennedy Intl
9h 40m1 stop Atlanta Hartsfield-Jackson
$327Delta
Fri, Oct 16 - Wed, Oct 21
Delta Logo
7:10 am - 5:12 pmJFK  New York John F Kennedy Intl-ONT Ontario
13h 02m1 stop Seattle/Tacoma Intl
Delta Logo
11:56 am - 12:21 amONT  Ontario-JFK New York John F Kennedy Intl
9h 25m1 stop Seattle/Tacoma Intl
$327Delta
Thu, Oct 29 - Fri, Oct 30
Alaska Airlines Logo
5:20 pm - 11:54 pmJFK  New York John F Kennedy Intl-ONT Ontario
9h 34m1 stop Portland
Alaska Airlines Logo
5:30 pm - 6:02 amONT  Ontario-JFK New York John F Kennedy Intl
9h 32m1 stop Portland
$327Alaska Airlines
Fri, Oct 23 - Fri, Oct 30
Alaska Airlines Logo
5:20 pm - 11:54 pmJFK  New York John F Kennedy Intl-ONT Ontario
9h 34m1 stop Portland
Alaska Airlines Logo
5:30 pm - 6:02 amONT  Ontario-JFK New York John F Kennedy Intl
9h 32m1 stop Portland
$327Alaska Airlines
Sat, Nov 7 - Thu, Nov 12
American Airlines Logo
6:45 am - 11:52 amJFK  New York John F Kennedy Intl-ONT Ontario
8h 07m1 stop Dallas/Fort Worth
American Airlines Logo
6:05 am - 7:00 pmONT  Ontario-JFK New York John F Kennedy Intl
9h 55m1 stop Phoenix Sky Harbor Intl
$327American Airlines
Wed, Jan 13 - Sun, Jan 17
Alaska Airlines Logo
1:00 pm - 10:41 pmJFK  New York John F Kennedy Intl-ONT Ontario
12h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:10 am - 7:23 pmONT  Ontario-JFK New York John F Kennedy Intl
9h 13m1 stop Portland
$327Alaska Airlines
Fri, Oct 16 - Sat, Oct 17
JetBlue Logo
6:59 pm - 10:14 pmJFK  New York John F Kennedy Intl-ONT Ontario
6h 15mnonstop
JetBlue Logo
10:42 pm - 7:00 amONT  Ontario-JFK New York John F Kennedy Intl
5h 18mnonstop
$417JetBlue
Wed, Oct 14 - Sat, Oct 17
JetBlue Logo
7:00 pm - 10:12 pmJFK  New York John F Kennedy Intl-ONT Ontario
6h 12mnonstop
JetBlue Logo
10:42 pm - 7:00 amONT  Ontario-JFK New York John F Kennedy Intl
5h 18mnonstop
$417JetBlue
Booking Insights

Price, demand and travel trends for New York John F Kennedy Intl Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from New York John F Kennedy Intl Airport to Ontario?

Round-trip flights from New York John F Kennedy Intl Airport to Ontario typically range from $310 to $486. The lowest price found in the past 5 days was $320, on American Airlines.

What's the cheapest day of the week to fly from New York John F Kennedy Intl Airport to Ontario?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from New York John F Kennedy Intl Airport to Ontario. It’s 11% cheaper than the average day, while Monday is the most expensive, with prices 53% higher.

What’s the cheapest month to fly from New York John F Kennedy Intl Airport to Ontario?

•October is the cheapest month to fly from New York John F Kennedy Intl Airport to Ontario at $277 round-trip.
•December ($654) and April ($519) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 136% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from New York John F Kennedy Intl Airport to Ontario the cheapest?

Flights from New York John F Kennedy Intl Airport to Ontario are cheapest 18 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from John F Kennedy Intl to Ontario

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Jennifer Simonson

Jennifer Simonson

Expert on ONT

Jennifer Simonson is driven by her lifelong commitment to exploring the globe. Her insatiable curiosity had led her to immerse herself into diverse locations like Oklahoma City and Pismo. Her hotel recommendations are the result of the myriad hotels she's stayed at across her travels. Along her journey, she cherishes engaging conversations with locals, indulging in the finest ice cream, trying her hand at surfing, and embarking on nature-filled hikes.

Harriet Baskas

Harriet Baskas

Expert on JFK

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for New York John F Kennedy Intl Airport to Ontario flights

Low season

March

Cheapest flight

$160
Beat the crowds with an average 61% drop in travelers.
The most popular month to fly with an average 173% increase in travelers.
One-way flight from New York John F Kennedy Intl Airport to Ontario

When to book flights from John F Kennedy Intl to Ontario

Are your dates flexible? Find out the best times to travel from John F Kennedy Intl to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your New York John F Kennedy Intl Airport to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from New York John F Kennedy Intl Airport to Ontario?

    These are the earliest and latest flight times available from New York John F Kennedy Intl Airport to Ontario:

    • Earliest: departs at 5:29 pm and lands at 11:34 pm
    • Latest: departs at 7:00 pm and lands at 1:05 am.

    The flight takes about 6h 05m.

  • What cabin classes can I book on flights from New York John F Kennedy Intl Airport to Ontario?

    Three cabin classes are available on flights from New York John F Kennedy Intl Airport to Ontario:

    • Economy Class
    • Premium Economy Class
    • First Class

  • How long is a flight from New York John F Kennedy Intl Airport to Ontario?

    A nonstop flight from New York John F Kennedy Intl Airport to Ontario takes 6h 05m, covering 2,422 miles.

  • Do I need a passport to fly from New York John F Kennedy Intl Airport to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a New York John F Kennedy Intl Airport to Ontario flight?

    Round-trip flights from New York John F Kennedy Intl Airport to Ontario range from $310 to $486, with an average of $370 over the past 12 months. Anything below $310 counts as a good deal.

  • How expensive are last-minute New York John F Kennedy Intl Airport to Ontario flights?

    Last-minute fares on this route (booked within two weeks of departure) run 30% above the $370 route average. Book 18 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from New York John F Kennedy Intl Airport to Ontario?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $273 round-trip via Denver Intl (DEN), compared to $361 for nonstop.

  • What is the standard checked-bag allowance on flights from New York John F Kennedy Intl Airport to Ontario?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $47–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from New York John F Kennedy Intl Airport to Ontario?

    The Airbus A321-100/200 family is used most often on this route, operated mainly by JetBlue. Other aircraft seen on the route include Airbus A318/A319/A320/A321 variants.

  • Have flight prices from New York John F Kennedy Intl Airport to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $320 to $2,734. That means the highest observed fare was about 9x higher than the lowest one.

  • Which airlines offer Wi-Fi on New York John F Kennedy Intl Airport to Ontario flights?

    JetBlue is the only airline on the New York John F Kennedy Intl Airport to Ontario route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from New York John F Kennedy Intl Airport to Ontario looking right now?

    One-way fares from New York John F Kennedy Intl Airport to Ontario are currently lower than usual. Average one-way flight prices are about $173, which is 30% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from New York John F Kennedy Intl Airport to Ontario?

    Flights from New York John F Kennedy Intl Airport to Ontario usually depart from New York John F Kennedy Intl (JFK) and arrive at Ontario (ONT).

  • Which airports do connecting flights from New York John F Kennedy Intl Airport to Ontario pass through?

    One-stop flights from New York John F Kennedy Intl Airport to Ontario most commonly connect through:

    • Phoenix Sky Harbor Intl (PHX) - 53% of one-stop connections
    • Dallas/Fort Worth (DFW) - 15% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 15% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from New York John F Kennedy Intl Airport to Ontario?

    Yes. Flexible dates can save you up to 42% on flights from New York John F Kennedy Intl Airport to Ontario. Wednesday is the cheapest departure day at $332 round-trip on average, while Monday is the most expensive at $568, a difference of $236.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from New York John F Kennedy Intl Airport to Ontario?

    Only JetBlue operates flights between New York John F Kennedy Intl Airport and Ontario.

  • How much time can I save by choosing a different layover airport from New York John F Kennedy Intl Airport to Ontario?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 7h 53m, compared with 8h 12m via Salt Lake City (SLC) and 8h 17m via Denver Intl (DEN).

  • What is the time difference between New York John F Kennedy Intl Airport and Ontario?

    Ontario is 3 hours behind New York John F Kennedy Intl Airport (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

  • Which airlines offer extra legroom and free seat selection on New York John F Kennedy Intl Airport to Ontario flights?

    Among airlines operating New York John F Kennedy Intl Airport to Ontario flights:

    • JetBlue: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on New York John F Kennedy Intl Airport to Ontario flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking New York John F Kennedy Intl Airport to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $332, about $236 less than Monday fares (42% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your New York John F Kennedy Intl Airport to Ontario trip for October. Fares historically average $277 round-trip in that month - typically $377 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $273 round-trip on this route - about $88 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • La Quinta Inn & Suites by Wyndham Ontario Airport
    • Ontario Airport Inn

Prefer to fly direct from New York John F Kennedy Airport to Ontario?

 
Find which airlines fly direct from New York John F Kennedy Intl Airport to Ontario Airport, which days they fly and book direct flights.

Direct departures

New York John F Kennedy Intl to Ontario

Monday

JetBlue

JetBlue

Tuesday

JetBlue

JetBlue

Wednesday

JetBlue

JetBlue

Thursday

JetBlue

JetBlue

Friday

JetBlue

JetBlue

Saturday

JetBlue

JetBlue

Sunday

JetBlue

JetBlue

See more direct flights

Direct returns

Ontario to New York John F Kennedy Intl

Monday

JetBlue

JetBlue

Tuesday

JetBlue

JetBlue

Wednesday

JetBlue

JetBlue

Thursday

JetBlue

JetBlue

Friday

JetBlue

JetBlue

Saturday

JetBlue

JetBlue

Sunday

JetBlue

JetBlue

See more direct flights

More options for your flight from John F Kennedy Intl to Ontario

Complete your trip to Ontario with a hotel stay or car rental