Cheap flights to Ontario, CA from $90

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
RDU — ONT
May 26 — Jun 21

Flights to Ontario in 2024

Find the latest flights to Ontario in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,663,308 searches and data was last updated on May 21, 2024.

Popular in

December

Cheapest in

September

Average price

$378

Round-trip from

$229

One-way from

$90
High demand for flights, 5% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in May 2024
From New York to Los Angeles
One-way flight from New York to Ontario (ONT)

Cheap flights to Ontario in May & June 2024

Discover affordable flights and deals to Ontario in May and June 2024. In the last 7 days, Cheapflights users made a total of 2,663,308 searches and data was last updated on May 21, 2024.
The following deals offer some of the lowest prices we've found on flights heading to Ontario in May and June 2024. If these deals fall outside of your budget, be sure to come back soon as prices update often.
Sat 6/810:00 pmLGA - ONT
1 stop14h 12mFrontier
Tue 6/1112:59 amONT - LGA
1 stop18h 01mFrontier
Deal found 5/20$193
Sat 6/110:00 pmLGA - ONT
1 stop13h 05mFrontier
Mon 6/249:36 pmONT - LGA
1 stop21h 24mFrontier
Deal found 5/19$199
Sat 6/110:00 pmLGA - ONT
1 stop13h 05mFrontier
Sun 6/2312:59 amONT - LGA
1 stop18h 01mFrontier
Deal found 5/19$207
Tue 6/410:50 pmLGA - ONT
1 stop11h 12mFrontier
Mon 6/1012:59 amONT - LGA
1 stop18h 01mFrontier
Deal found 5/20$209
Wed 6/510:59 pmLGA - ONT
1 stop15h 00mFrontier
Wed 6/128:03 amONT - LGA
1 stop10h 57mFrontier
Deal found 5/20$213
Wed 6/510:59 pmLGA - ONT
1 stop15h 00mFrontier
Mon 6/109:36 pmONT - LGA
1 stop21h 24mFrontier
Deal found 5/20$214
Mon 6/310:50 pmLGA - ONT
1 stop17h 34mFrontier
Mon 6/249:36 pmONT - LGA
1 stop21h 24mFrontier
Deal found 5/20$215
Thu 5/3010:50 pmLGA - ONT
1 stop28h 09mFrontier
Sun 6/3012:59 amONT - LGA
1 stop18h 01mFrontier
Deal found 5/20$216
Wed 5/2910:00 pmLGA - ONT
1 stop11h 14mFrontier
Sat 6/17:04 amONT - LGA
1 stop10h 55mFrontier
Deal found 5/20$217

Ontario 2024 flight deals

Explore flight deals for Ontario in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 2,663,308 searches and data were last updated on May 21, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 8/2110:00 pmLGA - ONT
1 stop11h 07mFrontier
Wed 9/46:57 amONT - LGA
1 stop11h 02mFrontier
Deal found 5/19$176
Mon 8/2610:00 pmLGA - ONT
1 stop11h 07mFrontier
Wed 9/46:57 amONT - LGA
1 stop11h 02mFrontier
Deal found 5/19$177
Sat 9/710:00 pmLGA - ONT
1 stop11h 07mFrontier
Sat 9/146:57 amONT - LGA
1 stop11h 02mFrontier
Deal found 5/20$178
Sat 8/2410:00 pmLGA - ONT
1 stop11h 07mFrontier
Fri 9/612:49 amONT - LGA
1 stop18h 11mFrontier
Deal found 5/19$179
Wed 8/2110:00 pmLGA - ONT
1 stop11h 07mFrontier
Sat 8/246:57 amONT - LGA
1 stop11h 02mFrontier
Deal found 5/20$180
Wed 8/2110:00 pmLGA - ONT
1 stop11h 07mFrontier
Tue 8/276:57 amONT - LGA
1 stop11h 02mFrontier
Deal found 5/20$181
Tue 9/310:00 pmLGA - ONT
1 stop11h 07mFrontier
Fri 9/68:27 pmONT - LGA
1 stop22h 33mFrontier
Deal found 5/20$182
Tue 9/310:00 pmLGA - ONT
1 stop11h 07mFrontier
Thu 9/512:49 amONT - LGA
1 stop18h 11mFrontier
Deal found 5/20$183
Thu 9/510:50 pmLGA - ONT
1 stop27h 49mFrontier
Sun 9/86:57 amONT - LGA
1 stop11h 02mFrontier
Deal found 5/20$187

Flights to Ontario departing soon

Discover available last-minute flight options to Ontario, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 2,663,308 searches and data was last updated on May 21, 2024.
Browse through available last-minute flights traveling to Ontario. Tip: double check your flight details before making your reservation.
Thu 5/3010:50 pmLGA - ONT
1 stop28h 09mFrontier
Sun 6/3012:59 amONT - LGA
1 stop18h 01mFrontier
Deal found 5/20$216
Wed 5/2910:00 pmLGA - ONT
1 stop11h 14mFrontier
Sat 6/17:04 amONT - LGA
1 stop10h 55mFrontier
Deal found 5/20$217
Wed 5/2910:00 pmLGA - ONT
1 stop11h 14mFrontier
Wed 6/58:03 amONT - LGA
1 stop10h 57mFrontier
Deal found 5/20$219
Wed 5/2910:00 pmLGA - ONT
1 stop11h 14mFrontier
Thu 5/3012:59 amONT - LGA
1 stop18h 01mFrontier
Deal found 5/20$231
Fri 5/316:00 amLGA - ONT
2 stops20h 59mFrontier
Mon 6/34:45 pmONT - LGA
1 stop26h 15mFrontier
Deal found 5/20$233
Fri 5/3110:50 pmLGA - ONT
1 stop28h 09mFrontier
Mon 6/34:45 pmONT - LGA
1 stop26h 15mFrontier
Deal found 5/20$237
Thu 5/3010:50 pmLGA - ONT
1 stop28h 09mFrontier
Wed 6/58:03 amONT - LGA
1 stop10h 57mFrontier
Deal found 5/20$240
Fri 5/316:00 amLGA - ONT
2 stops20h 59mFrontier
Wed 6/58:03 amONT - LGA
1 stop10h 57mFrontier
Deal found 5/20$245
Thu 5/3010:50 pmLGA - ONT
1 stop28h 09mFrontier
Tue 6/117:04 amONT - LGA
1 stop10h 55mFrontier
Deal found 5/20$247

One-way flights to Ontario

Explore one-way flight options to Ontario for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 2,663,308 searches and data was last updated on May 21, 2024.
Choose from one of these one-way flights departing to Ontario. Reserve a round-trip flight to Ontario instead by utilizing the search form above.
Fri 9/610:50 pmLGA - ONT
1 stop10h 40mFrontier
Deal found 5/20$90
Fri 9/610:50 pmLGA - ONT
1 stop10h 40mFrontier
Deal found 5/20$95
Sat 6/110:00 pmLGA - ONT
1 stop13h 05mFrontier
Deal found 5/19$96
Tue 6/410:50 pmLGA - ONT
1 stop11h 12mFrontier
Deal found 5/20$97
Tue 6/410:50 pmLGA - ONT
1 stop11h 12mFrontier
Deal found 5/20$99
Wed 5/2910:00 pmLGA - ONT
1 stop11h 14mFrontier
Deal found 5/20$100
Wed 8/2810:00 pmLGA - ONT
1 stop11h 07mFrontier
Deal found 5/19$101
Tue 6/1110:50 pmLGA - ONT
1 stop11h 12mFrontier
Deal found 5/20$104
Wed 8/2110:00 pmLGA - ONT
1 stop11h 07mFrontier
Deal found 5/20$108

Direct flights to Ontario

Mon 6/36:59 pmJFK - ONT
Nonstop6h 10mJetBlue
Wed 6/1911:59 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 5/20$311
Thu 6/66:59 pmJFK - ONT
Nonstop6h 10mJetBlue
Sat 6/1511:59 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 5/21$321
Fri 7/127:40 pmJFK - ONT
Nonstop5h 58mJetBlue
Tue 8/611:47 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 5/19$325
Mon 6/36:59 pmJFK - ONT
Nonstop6h 10mJetBlue
Wed 6/1211:59 pmONT - JFK
Nonstop5h 24mJetBlue
Deal found 5/20$331
Thu 7/47:40 pmJFK - ONT
Nonstop5h 58mJetBlue
Wed 7/1011:59 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 5/21$335
Fri 7/127:40 pmJFK - ONT
Nonstop5h 58mJetBlue
Wed 8/711:47 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 5/19$340
Wed 8/147:34 pmJFK - ONT
Nonstop5h 58mJetBlue
Sat 8/1711:47 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 5/20$345
Thu 6/66:59 pmJFK - ONT
Nonstop6h 10mJetBlue
Mon 6/1011:40 pmONT - JFK
Nonstop5h 20mJetBlue
Deal found 5/21$347
Tue 7/167:40 pmJFK - ONT
Nonstop5h 58mJetBlue
Tue 8/611:47 pmONT - JFK
Nonstop5h 23mJetBlue
Deal found 5/20$351

Find flights to Ontario within your budget

Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,663,308 searches and data was last updated on May 21, 2024.

Fly from

Any airport

Budget

$176 - $326

Route

Depart

Return

Price

New York LaGuardiaOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 8/21

1 stop11h 07m

Ontario

Wed 9/4

1 stop11h 02m

$176

New York LaGuardiaOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 8/26

1 stop11h 07m

Ontario

Wed 9/4

1 stop11h 02m

$177

New York LaGuardiaOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 9/7

1 stop11h 07m

Ontario

Sat 9/14

1 stop11h 02m

$178

New York LaGuardiaOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 8/24

1 stop11h 07m

Ontario

Fri 9/6

1 stop18h 11m

$179

New York John F Kennedy IntlOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 9/18

1 stop7h 45m

Ontario

Sat 9/21

1 stop7h 05m

$253

New York John F Kennedy IntlOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Tue 9/17

1 stop10h 03m

Ontario

Sat 9/21

1 stop8h 02m

$256

New York John F Kennedy IntlOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Wed 8/28

Nonstop5h 58m

Ontario

Wed 9/4

Nonstop5h 23m

$295

New York John F Kennedy IntlOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

Fri 5/31

1 stop11h 01m

Ontario

Mon 6/3

1 stop10h 39m

$306

NewarkOntario

EWR - ONT

EWRONT

Newark

Wed 8/28

1 stop9h 59m

Ontario

Wed 9/4

1 stop9h 23m

$326

Flights are sorted by cheapest first

Deals found on 5/19

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

When is the best time to book a flight to Ontario?

Use this chart to determine the optimal time to book a round-trip flight to Ontario. Price data was last updated on May 10, 2024.
The price you pay for your flight to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly to Ontario?

Use this chart to determine the cheapest time to fly round-trip to Ontario. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Ontario should consider flying on Wednesday at noon, when prices are typically cheapest. Budget-minded travelers will want to avoid Sunday afternoons, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 21, 2024.
See what other customers who have flown with Frontier, Alaska Airlines and Delta to Ontario have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,013 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,013 reviews
Southwest
8.2
Very good
6,013 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.1
Very good
9,163 reviews
Southwest
8.2
Very good
6,013 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very good
10,595 reviews
Southwest
8.2
Very good
6,013 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.6
Good
4,426 reviews
Southwest
8.2
Very good
6,013 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.5
Good
3,722 reviews
Southwest
8.2
Very good
6,013 reviews

Entertainment

7.8

Overall

8.2

Crew

8.7

Comfort

8.1

Boarding

8.3

Food

7.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Ontario, CA airport overview

At just 2.3 miles (3.7km) east of downtown Ontario, Ontario International Airport (ONT) is a small but well-equipped alternative to Los Angeles Airport and John Wayne Airport for passengers flying to California.

The number of flights to Ontario International Airport has been declining steadily in recent years (there were 4.8 million passengers in 2010, but the terminals are built to handle twice that) – some say due to the lack of direct flights to major destinations, in comparison with other airports nearby. However, those who use the airport agree that it is a convenient alternative, well connected to nearby air fields and towns, easy to get in and out of, clean and with good basic facilities.

  • How long is the flight to Ontario?

    Since Ontario doesn’t have its own airport, you can’t fly directly into this city. However, you can fly directly to Los Angeles International Airport, which is the closest airport to Ontario. Flight times from the United States to Los Angeles range from 1h-16h. The quickest flight from Philadelphia International Airport is 5h 37m, while the fastest flight from Boston International Airport is 6h 10m. The shortest flight from John F. Kennedy Airport is 5h 54. However, some flights may take as long as 16 hours, depending on the number of layovers and the duration of each layover.

  • Where can you get direct flights to Ontario from the United States?

    While you won’t be able to find direct, nonstop Ontario flight deals, you can find numerous direct flights to Los Angeles International Airport, which is the closest airport to Ontario. One example of an airport that services direct flights to Los Angeles is George Bush Intercontinental Airport, which offers airlines like Unites, American Airlines, and Alaska Airlines. San Francisco International Airport, Liberty International Airport, and Philadelphia International Airport also offer direct flights to Los Angeles. Likewise, you can find direct flights to Los Angeles at John F. Kennedy International Airport and Boston International Airport.

  • How do you get from Los Angeles International Airport(s) to the city centre of Ontario, Canada?

    Luckily for you, there are numerous ways to get from Los Angeles Airport to Ontario. For example, once you arrive at Los Angeles Airport, you can quickly grab a taxicab that will take you directly to your destination in just under one hour. You can also take a bus from Los Angeles Airport to L.A. Union Station and then take another bus from Union Station to Pomona Transit Center, which takes a little over two hours and costs under $17.

  • What are some things to do in Ontario?

    One of the best things about visiting Ontario, California is the fact that there are so many things to do while you’re here. In particular, once you’re in Ontario, you can visit movie theaters, room escape games, comedy clubs, and gaming centers. Additionally, this city has shopping malls like Graber Olive House, Ontario Mills, Logan’s Candies, and Treasures N Junk. Another popular venue is the Scandia water park, which can be fun, exciting, and memorable for people of all ages. Likewise, this city contains spa & wellness centers like Salt Oasis, Massage Green Spa, Massage By Laurelle & Medical Spa, and Mint Leaf Thai Massage, which make it easy to stay relaxed while you’re here. You can also grab a drink at facilities like San Antonio Winery, Rescue Brewing Company, Kings Brewing Company, and Dale Bros. Brewery. And if you’re interested in visiting educational museums, you’ll love Planes of Fame Air Museum, Museum of History and Art, Cooper Regional History Museum, and Chaffey Comunity Museum of Art. Other popular landmarks include Citizens Business Bank Arena, K1 Speed Ontario, and Madonna of the Trail.

  • Do I need a passport or visa to fly to Ontario?

    If you’re U.S. citizen, you don’t need a visa to fly to Ontario, California. However, it’s recommended that you always fly with a valid passport.

  • What does ONT mean?

    ONT stands for Ontario Airport. Codes like this one are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • What airport do you fly into for flights to Ontario?

    If you book a flight to Ontario, you will be flying into Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. On average, Ontario has 2 flights from New York per day from 9 airlines.

  • Can I find cheaper flights to Ontario if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, Breeze Airways is rated the highest out of the airlines that fly to Ontario.

  • What is the cheapest airport to fly to in Ontario?

    Ontario Airport is currently the cheapest airport to fly to in Ontario. One-way flights to Ontario Airport typically cost $19, while round-trip flights cost around $34.

  • How much is a round-trip flight to Ontario?

    A round-trip flight to Ontario will typically cost around $292, however they can be found for as little as $34.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, Las Vegas offers the quickest one-way flight (1 hour 3 minutes).

  • Which airport is closest to Graber Olive House?

    If being close to Graber Olive House is important to you, you’ll want to land at Los Angeles Airport.

  • Does Ontario Airport have rental cars?

    Yes. Those touching down at Ontario Airport can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Ontario Airport?

    Yes. Ontario Airport has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario Airport (0.0 mi away from Ontario Airport).

  • When is the best time to book a flight to Ontario?

    Currently, October is the cheapest month in which you can book a flight to Ontario (average of $238). Flying to Ontario in June will prove the most costly (average of $328). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

See more FAQs

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