Find cheap flights to Ontario

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Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel to Ontario. Current restrictions to Ontario are based on United States travel restrictions.

View current United States travel restrictions

Cheapest flights to Ontario airports

Find the cheapest flights to these Ontario airports from your nearest city or airport
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When is the best time to fly to Ontario?

What is the absolute cheapest flight to Ontario?

In the past two weeks, users have booked deals to Ontario for $30/person, which is 94% cheaper than the average flight to Ontario. To find the cheapest price to Ontario from your area, use momondo’s Airport-to-Airport Pricing Tool.

What is the cheapest month to fly to Ontario?

The month of August is, on average, the cheapest month to fly to Ontario from United States, with most prices found around $261. If you are unable to visit Ontario during the month of August, then departing from United States during the month July is also very affordable. Most momondo users find prices during this month for around $264.

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

In general, most travelers find the cheapest time to book a flight to Ontario is about 43 days prior to their departure date when tickets on average are $315. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from United States for as low as $113 on momondo.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart from United States to Ontario is on a Thursday when prices can be found for as low as $334. Flights from United States to Ontario on a Monday will generally be more expensive and average around $383. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ontario?

Our most recent data shows that the best time of day to fly to Ontario is in the evening. Flights from United States to Ontario during this time can be as low as $295. Try not to purchase tickets in the afternoon because they tend to be around $397. Of course, these prices can vary depending on the time of year and what airport you fly to.

Is there a good place to hike near Ontario?

If you’re looking to do your hiking in warmer conditions, consider planning your flight to Ontario for January, February, and March. Parks like Old Town San Diego State Historic Park are popular hot spots in those months.

Is there an alternative airport near Ontario?

Finding an alternative and possibly cheaper destination airport near Ontario is possible. If you are planning a flight to Ontario, consider booking flights to San Bernardino Int Airport (24 mi from Ontario city center), Santa Ana J. Wayne/Orange Cnty Airport (29 mi from Ontario city center), Long Beach Municipal Airport (33 mi from Ontario city center), Burbank Bob Hope Airport (42 mi from Ontario city center) or Los Angeles Airport (44 mi from Ontario city center).

Is there a cheaper alternative to flying into Ontario?

Prices vary based on where travelers are departing from, but on average, the cheapest airport to fly to in Ontario is Burbank Bob Hope Airport where the average price is $443pp. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.


What are the current travel restrictions for Ontario?

Currently, United States travel restrictions include travel to Ontario. The United States has restricted the entry of all foreign nationals who have passed through or have been in China, Iran, European Schengen Area, the UK, Ireland and Brazil in the past 14 days. US citizens and permanent residents who have passed through or have been in any of the above countries in the past 14 days may still enter the United States, but must arrive at one of the following airports: Atlanta (ATL), Boston (BOS), Chicago (ORD), Dallas, (DFW), Detroit (DTW), Honolulu (HNL), Los Angeles (LAX), Miami (MIA), New York (JFK or EWR), San Francisco (SFO), Seattle (SEA), and Washington (IAD). US citizens and permanent residents who have passed through or have been in any of the countries named don't have to isolate for two weeks, unless they have had close contact with someone who has COVID-19. If you are planning to travel to Ontario at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.


Ontario flight deals found on momondo

Check out some of the best fares from airports in United States to Ontario found recently by users on momondo
Cheapest
Best
Quickest
Frontier
Dec 11
SLC
Salt Lake City
20h 58m
1 stop
ONT
Ontario
Dec 14
ONT
Ontario
22h 23m
1 stop
SLC
Salt Lake City
Alaska Airlines
Nov 18
SEA
Seattle/Tacoma Intl
2h 28m
ONT
Ontario
Dec 2
ONT
Ontario
2h 48m
SEA
Seattle/Tacoma Intl
Multiple Airlines
Dec 1
SEA
Seattle/Tacoma Intl
2h 38m
ONT
Ontario
Dec 2
ONT
Ontario
2h 48m
SEA
Seattle/Tacoma Intl
Delta
Dec 5
SEA
Seattle/Tacoma Intl
4h 38m
1 stop
ONT
Ontario
Dec 12
ONT
Ontario
2h 45m
SEA
Seattle/Tacoma Intl
United Airlines
Nov 18
PDX
Portland
6h 30m
1 stop
ONT
Ontario
Dec 5
ONT
Ontario
4h 14m
1 stop
PDX
Portland
Frontier
Nov 13
SLC
Salt Lake City
6h 04m
1 stop
ONT
Ontario
Nov 16
ONT
Ontario
5h 58m
1 stop
SLC
Salt Lake City

Find the cheapest one-way flights to Ontario

If you're looking for one-way flights to Ontario, view some of our deals below provided by Alaska Airlines, Delta and Frontier
Cheapest
Best
Quickest
Alaska Airlines
Dec 12
SEA
Seattle/Tacoma Intl
2h 35m
ONT
Ontario
Delta
Dec 1
SEA
Seattle/Tacoma Intl
2h 38m
ONT
Ontario
Frontier
Nov 6
SLC
Salt Lake City
6h 04m
1 stop
ONT
Ontario

Which airlines fly to Ontario?

Here you can see a selection of the most popular and cheapest airlines for flights to Ontario

Popular routes to Ontario

Most frequently searched flights to Ontario along with the cheapest price and shortest flight duration
Denver to Ontario Flights
Fastest flight time
2h 15m
Cheapest price
$92
Phoenix to Ontario Flights
Fastest flight time
1h 14m
Cheapest price
$97
Salt Lake City to Ontario Flights
Fastest flight time
1h 40m
Cheapest price
$113
Miami to Ontario Flights
Fastest flight time
6h 55m
Cheapest price
$138
Portland to Ontario Flights
Fastest flight time
2h 14m
Cheapest price
$146
Chicago to Ontario Flights
Fastest flight time
6h 00m
Cheapest price
$153
San Francisco to Ontario Flights
Fastest flight time
1h 18m
Cheapest price
$177
Austin to Ontario Flights
Fastest flight time
4h 40m
Cheapest price
$179
Dallas to Ontario Flights
Fastest flight time
3h 00m
Cheapest price
$187
Orlando to Ontario Flights
Fastest flight time
4h 56m
Cheapest price
$200
Houston to Ontario Flights
Fastest flight time
3h 23m
Cheapest price
$208
New York to Ontario Flights
Fastest flight time
6h 00m
Cheapest price
$212
Fort Lauderdale to Ontario Flights
Fastest flight time
7h 09m
Cheapest price
$216
Charlotte to Ontario Flights
Fastest flight time
6h 21m
Cheapest price
$218
Philadelphia to Ontario Flights
Fastest flight time
7h 20m
Cheapest price
$236
San Antonio to Ontario Flights
Fastest flight time
5h 30m
Cheapest price
$238
Boston to Ontario Flights
Fastest flight time
9h 43m
Cheapest price
$262
Atlanta to Ontario Flights
Fastest flight time
4h 30m
Cheapest price
$279
West Palm Beach to Ontario Flights
Fastest flight time
7h 15m
Cheapest price
$298
Washington to Ontario Flights
Fastest flight time
7h 25m
Cheapest price
$313
View more

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