Cheap flights from Ontario (ONT) to North America

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How to find the cheapest flight from
Ontario (ONT) to North America

All the information you need to plan the best ONT to LAX flight in 2021: compare Ontario to North America flight prices with the expected peak season, weather and rainfall in North America.
How far in advance should I book a flight from Ontario to North America?

Users have found that booking a flight from Ontario to North America at least 33 days early can save you up to 19% on average compared to booking a flight this week. If booking 33 days before your flight isn’t an option for you, users have found flights from Ontario to North America for as little as $91 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $113 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to North America?

Flights from Ontario to North America lean towards being more expensive in December. Prices are generally better when you fly from Ontario to North America in August, with the cheapest ticket starting at $37.

When is the cheapest time to fly from Ontario to North America (ONT - NA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to North America as you normally would.

Cheap flights from Ontario to North America in October, November 2021

The best prices found for ONT to North America flights for October, November
10 Nov - 15 Nov
$46pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario
10 Nov - 12 Nov
$50pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario
13 Nov - 15 Nov
$54pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario

Ontario to North America 2021 flight deals

Cheap flights to North America from Ontario found for this year
10 Nov - 15 Nov
$46pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario
6 Dec - 8 Dec
$49pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
10 Nov - 12 Nov
$50pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario

Non-stop flights to North America from Ontario

Save time with Ontario to North America direct flight deals
10 Nov - 15 Nov
$46pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario
6 Dec - 8 Dec
$49pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
10 Nov - 12 Nov
$50pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario

Last minute flights from Ontario to North America

Late deals on round-trip flights to North America from Ontario, departing today and this week
31 Oct - 3 Nov
$59pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario
30 Oct - 3 Nov
$63pp
ONT
Ontario
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ONT
Ontario
29 Oct - 30 Oct
$67pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas McCarran
LAS
Las Vegas McCarran
Frontier
Non-Stop
ONT
Ontario

One-way flights to North America from Ontario

The cheapest one-way flights from Ontario to North America
7:17 am - 8:45 am
Frontier
Nonstop
1h 28m
ONT - SFO
Frontier
$25
CheapTickets.com
8:17 am - 9:45 am
Frontier
Nonstop
1h 28m
ONT - SFO
Frontier
$26
Kiwi.com
10:01 am - 11:06 am
Frontier
Nonstop
1h 05m
ONT - LAS
Frontier
$27
Travelocity

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">North America</span> flights.

Flight FAQs

From Ontario to North America

What airport do you fly from for flights from Ontario to North America?

Most people fly from Ontario (ONT) if they book a flight from Ontario to North America. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Which airlines flying from Ontario to North America have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to North America that may be offering flexible cancellation policies are United Airlines, American Airlines, and Alaska Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Ontario to North America for under $100 on Cheapflights?

Yes, there are multiple flights from Ontario to North America for under $100. The cheapest flight booked recently is on Frontier for just $46, but on average you can expect to pay $58.

Are there nonstop flights from Ontario to North America for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to North America under $100. A good price for a nonstop flight from Ontario to North America is less than $58.

Are there last-minute flights available from Ontario to North America for under $100?

There are currently 20+ open flights from Ontario to North America within the next 7 days for less than $100.

What are the cheapest flights from Ontario to North America?

The cheapest flight price from Ontario to North America is $171. On average you can expect to pay $1,828. The most popular route, (Ontario - Seattle/Tacoma Intl), can usually be booked for $114.

What are the most popular routes from Ontario to North America?

The most popular flight routes from Ontario to North America are Ontario - Seattle/Tacoma Intl, Ontario - New York John F Kennedy Intl and Ontario - Dallas/Fort Worth.

Related searches

Flights to North America from Ontario (ONT)
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Destination points for flights from Ontario to North America

Select to see more specific information for flights from Ontario to all places in North America.
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Destination information for North America

Things to know before you go - useful duration and weather info for your trip from Ontario to North America.
Today's exchange rate
$1 = $1.00
Flight duration from ONT to North America
1h 54m

Airports servicing Ontario

Top 10 airlines flying from Ontario to North America

The chart below displays the airlines Cheapflights users traveling from Ontario to North America choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$48 $309 No cancel fee 75%
JetBlue
$49 $329 No cancel fee 62%
Delta
$52 $316 No cancel fee N/A
American Airlines
$71 $385 No cancel fee 71%
Spirit Airlines
$91 $229 No cancel fee 65%
United Airlines
$97 $318 No cancel fee 69%
Frontier
$105 $277 No cancel fee 62%
Southwest
$154 $200 No cancel fee 63%
JSX
$208 $313 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by JSX. Please check directly on their website for additional information.

Aeromexico
$208 $383 No cancel fee N/A
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