Cheap flights to Ontario, CA

From
To
Wed 10/20
Wed 10/27
Any month
Compare vs. Cheapflights |
From
To
Depart
Wed 10/20
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

Home Flights North America USA California Cheap flights to Ontario, California

Flights to Ontario in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inDecemberHigh demand for flights, 12% potential price rise
Cheapest inAprilBest time to find cheap flights, 3% potential price drop
Average price$88Average for round-trip flights in October 2021
Round-trip from$53From Las Vegas McCarran to Ontario
One-way from$10One-way flight from Las Vegas McCarran (LAS) to Ontario (ONT)

Cheap flights to Ontario in October, November 2021

The best prices found for ONT flights for October, November
20 Oct - 25 Oct
$40pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
28 Oct - 1 Nov
$42pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
12 Nov - 13 Nov
$44pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran

Ontario 2021 flight deals

Cheap flights to Ontario found for this year
20 Oct - 25 Oct
$40pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
28 Oct - 1 Nov
$42pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
12 Nov - 13 Nov
$44pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran

Last minute flights to Ontario

Late deals on round-trip flights to Ontario, departing today and this week
28 Oct - 1 Nov
$42pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
23 Oct - 23 Oct
$44pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
27 Oct - 28 Oct
$48pp
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran

COVID Restrictions

View COVID Travel Restrictions for Ontario

Can I fly to Ontario from USA right now?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from USA need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from USA must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from USA are not required to quarantine after entering Ontario.

Can I fly back to USA from Ontario?

Returning to USA from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to USA.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering USA.

Hide COVID Travel Restrictions for Ontario

Cheapest Prices for Ontario flights by month

The cheapest ticket to Ontario found for each month in 2021 based on historical flight searches by Cheapflights users.
January
$230
February
$234
March
$247
April
$259
May
$258
June
$311
July
$313
August
$268
September
$253
October
$251
November
$278
December
$308
Currently, January is the cheapest month in which you can book a flight to Ontario. Flying to Ontario in July will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the best time to fly to Ontario Airport?

Average Los Angeles flight ticket prices and weather conditions for 2021 and 2022 by month.
LAS - LAX
Price
$197 - $387
LAX
Temperature
68 - 89.6 °F
LAX
Precipitation
0 - 4.84 inches
Whilst there are several times of the year to choose from, April is seen as the time to fly to Ontario, however, it is possible to get good deals throughout the year. August tends to be the warmest period in Ontario so if you are looking for sun or warmer climates then look to fly around this time. February is the wettest if you need to factor this in to your plans.

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

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 17 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to Ontario?

The cheapest day to fly to Ontario is usually Saturday. At the moment, Sunday is the most expensive.

What time of day is cheapest to fly to Ontario?

At the moment, flights in the afternoon are likely to offer the best value for money for your Ontario trip. A flight at noon will more often than not be of higher cost.

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 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.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to Ontario flight prices.

Find the best Ontario flight deals for you

Cheap tickets to Ontario found by our users in USA as recently as October 18, 2021.
Other local departures to Ontario from United States

Cheapest flights to USA

Not set on Ontario? See the cheapest flights to United States. Airfare prices updated on October 18, 2021.
Home Flights North America USA California Cheap flights to Ontario, California