Find cheap flights to Ontario

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Ontario (ONT)
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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
Phoenix
Ontario

CHEAPEST ROUTE FROM Phoenix TO Ontario

Phoenix (PHX) to Los Angeles (LAX)

Typically, flights to Ontario from Phoenix are cheaper when flying from Phoenix Sky Harbor Intl to Los Angeles, which has an average price of $139


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 $66/person, which is 88% 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?

In general, August is the cheapest month to fly from United States to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $261. If you aren’t able to travel during the month of August, then book flights to Ontario from United States during July instead. Flights to Ontario in July, while not as cheap as those in August, still average around $264.

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

Most flyers found that booking tickets 43 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $315. However, in the past 72 hours, people saw flights from United States for as low as $108.

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

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $327. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from United States to Ontario for around $384.

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

In the evening is the cheapest time of day to fly from United States to Ontario when you can find flight prices for as low as $308. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $437 on average. Flights to Ontario from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $475pp. 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.

Entry restrictions

The United States has restricted the entry of all foreign nationals who have passed through or have been in China, Iran, Most European Countries (Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, Monaco, San Marino, Vatican City), the UK, Ireland, Brazil and South Africa in the past 14 days. With the exception of certain travelers which includes certain family members of US citizens or permanent residents including; spouses, children (under the age of 21), parents (provided that his/her US citizen or permanent resident child is unmarried and under the age of 21), and siblings (provided that both the sibling and the US citizen or permanent resident are unmarried and under the age of 21); There is also an exception for travelers with the following visas: A-1, A-2, C-1, C-1/D, C-2, C-3, CR-1, CR-2, D, E-1 (as an employee of TECRO or TECO or the employee's immediate family members), G-1, G-2, G-3, G-4, IR-1, IR-4, IH-4, NATO-1 through NATO-4, or NATO-6 visa; Members of the US Armed Forces, spouses, and children of members of the US Armed Forces; Travelers with invitation of the USA government for a purpose related to the containment/mitigation of the Coronavirus (COVID-19); Travelers with documents issued by the US Department of Homeland Security, US Customs and Border Protection, or US Department of State indicating that the traveler is exempt from the restriction; B1 crew crewmembers that are engaged in lightering, Outer Continental Shelf (OCS) activity, wind farm activity, private air/sea crew and other similar crewmember activities; Students with an F-1 or M-1 visa and their F-2 and M-2 dependents, if they arrive from or have been in Ireland, the UK or Schengen Area in the past 14 days.

Entry requirements

All travelers, 2 years of age or older (including US citizens and transit passenger) must present a negative COVID-19 viral or antigen test result issued 72 hours prior to departure or have a proof of recovery from the virus within the last 90 days prior to boarding the plane. Travelers must complete a disclosure and attestation form before departure. Exemptions or waiver to the testing requirements may be granted by the CDC on an extremely limited basis when emergency travel (like an emergency medical evacuation) must occur to preserve someone’s life, health against a serious danger, or physical safety and testing cannot be completed before travel. US citizens and permanent residents arriving from the UK must present a medical certificate with a negative COVID-19 PCR or antigen test result issued within 72 hours prior to departure. Travelers arriving in New York State must complete the Traveler Health Form. Travelers arriving in Massachusetts must complete the Massachusetts Health Form.

Quarantine requirements

Travelers are advised to get tested 3-5 days after travel and stay home and self-quarantine for 7 days after travel. Even if they test negative, they must still stay home and self-quarantine for the full 7 days. If the test is positive, isolate to protect others from getting infected.​​ Travelers who did not get tested, are advised to stay home and self-quarantine for 10 days after travel.​

All other info

Travelers are subject to COVID-19 measures set by the state/territory of their final destination. For more information go to CDC website.

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
Alaska Airlines
Jun 12
SEA4:45 amSeattle/Tacoma Intl
2h 30m
ONT7:15 amOntario
Jun 19
ONT8:20 amOntario
2h 35m
SEA10:55 amSeattle/Tacoma Intl
Alaska Airlines
Jun 4
SEA11:50 amSeattle/Tacoma Intl
2h 29m
ONT2:19 pmOntario
Jun 4
ONT4:30 pmOntario
2h 38m
SEA7:08 pmSeattle/Tacoma Intl
Alaska Airlines
May 26
SEA11:50 amSeattle/Tacoma Intl
2h 29m
ONT2:19 pmOntario
May 30
ONT4:30 pmOntario
2h 38m
SEA7:08 pmSeattle/Tacoma Intl
Alaska Airlines
May 27
SEA4:45 amSeattle/Tacoma Intl
2h 30m
ONT7:15 amOntario
May 30
ONT4:30 pmOntario
2h 38m
SEA7:08 pmSeattle/Tacoma Intl
Multiple Airlines
Jun 21
SEA3:59 pmSeattle/Tacoma Intl
2h 34m
ONT6:33 pmOntario
Jun 25
ONT1:30 pmOntario
2h 38m
SEA4:08 pmSeattle/Tacoma Intl
Alaska Airlines
Jun 4
SEA4:45 amSeattle/Tacoma Intl
2h 30m
ONT7:15 amOntario
Jun 5
ONT3:00 amOntario
2h 44m
SEA5:44 amSeattle/Tacoma Intl

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 and Frontier
Alaska Airlines
Aug 23
SEA4:30 pmSeattle/Tacoma Intl
2h 29m
ONT6:59 pmOntario
Alaska Airlines
Jun 1
SEA7:20 amSeattle/Tacoma Intl
2h 30m
ONT9:50 amOntario
Alaska Airlines
Jun 1
SEA4:45 amSeattle/Tacoma Intl
2h 30m
ONT7:15 amOntario

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
Phoenix to Ontario Flights
Fastest flight time
1h 13m
Cheapest price
$105
Denver to Ontario Flights
Fastest flight time
2h 11m
Cheapest price
$117
Dallas to Ontario Flights
Fastest flight time
2h 57m
Cheapest price
$122
Seattle to Ontario Flights
Fastest flight time
2h 29m
Cheapest price
$137
Salt Lake City to Ontario Flights
Fastest flight time
1h 40m
Cheapest price
$137
San Francisco to Ontario Flights
Fastest flight time
1h 18m
Cheapest price
$138
Sacramento to Ontario Flights
Fastest flight time
1h 20m
Cheapest price
$138
Portland to Ontario Flights
Fastest flight time
2h 14m
Cheapest price
$176
Atlanta to Ontario Flights
Fastest flight time
4h 22m
Cheapest price
$188
Oakland to Ontario Flights
Fastest flight time
4h 49m
Cheapest price
$189
Houston to Ontario Flights
Fastest flight time
3h 16m
Cheapest price
$193
Miami to Ontario Flights
Fastest flight time
5h 25m
Cheapest price
$193
Chicago to Ontario Flights
Fastest flight time
4h 15m
Cheapest price
$211
Austin to Ontario Flights
Fastest flight time
4h 10m
Cheapest price
$217
Minneapolis to Ontario Flights
Fastest flight time
6h 52m
Cheapest price
$232
San Jose to Ontario Flights
Fastest flight time
5h 34m
Cheapest price
$243
Boston to Ontario Flights
Fastest flight time
8h 35m
Cheapest price
$274
Washington to Ontario Flights
Fastest flight time
7h 22m
Cheapest price
$280
Philadelphia to Ontario Flights
Fastest flight time
7h 16m
Cheapest price
$305
Newark to Ontario Flights
Fastest flight time
7h 25m
Cheapest price
$311
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