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 2022: compare Ontario to North America flight prices with the expected peak season, weather and rainfall in North America.
What is the cheapest month to fly from Ontario to North America?

Flights from Ontario to North America lean towards being more expensive in June. Prices are generally better when you fly from Ontario to North America in January, with the cheapest ticket starting at $163.

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 59 days early can save you up to 39% on average compared to booking a flight this week. If booking 59 days before your flight isn’t an option for you, users have found flights from Ontario to North America for as little as $397 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 $465 for flights departing within the next 3 days.

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 August, September 2022

The best prices found for ONT to North America flights for August, September
23 Aug - 26 Aug
$40pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
27 Aug - 31 Aug
$41pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
13 Sep - 20 Sep
$43pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario

Ontario to North America 2022 flight deals

Cheap flights to North America from Ontario found for this year
23 Aug - 26 Aug
$40pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
27 Aug - 31 Aug
$41pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
13 Sep - 20 Sep
$43pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario

Cheap Frontier flights from Ontario to North America

23 Aug - 26 Aug
$40pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
27 Aug - 31 Aug
$41pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
13 Sep - 20 Sep
$43pp
ONT
Ontario
Frontier
Non-Stop
SFO
San Francisco
SFO
San Francisco
Frontier
Non-Stop
ONT
Ontario

Cheap United Airlines flights from Ontario to North America

28 Sep - 4 Oct
$160pp
ONT
Ontario
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
ONT
Ontario
20 Sep - 28 Sep
$196pp
ONT
Ontario
United Airlines
 
1 STOP
PDX
Portland
PDX
Portland
United Airlines
 
1 STOP
ONT
Ontario
20 Aug - 27 Aug
$209pp
ONT
Ontario
United Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ONT
Ontario

Non-stop flights to North America from Ontario

Save time with Ontario to North America direct flight deals
23 Aug - 26 Aug
$40pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
27 Aug - 31 Aug
$41pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
13 Sep - 20 Sep
$43pp
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
20 Aug - 24 Aug
$40pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
16 Aug - 20 Aug
$46pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario
20 Aug - 24 Aug
$47pp
ONT
Ontario
Frontier
Non-Stop
LAS
Las Vegas Harry Reid Intl
LAS
Las Vegas Harry Reid Intl
Frontier
Non-Stop
ONT
Ontario

One-way flights to North America from Ontario

The cheapest one-way flights from Ontario to North America
2:43 pm - 3:55 pm
Frontier
Nonstop
1h 12m
ONT - LAS
Frontier
9:46 am - 11:05 am
Frontier
Nonstop
1h 19m
ONT - LAS
Frontier
$18
Trip.com
9:09 am - 10:28 am
Frontier
Nonstop
1h 19m
ONT - LAS
Frontier
$20
JustFly

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 Frontier, Alaska Airlines, and United 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 $40, but on average you can expect to pay $48.

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 $48.

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 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 - Las Vegas Harry Reid Intl.

What are the cheapest flights from Ontario to North America?

The cheapest flight price from Ontario to North America is $28. On average you can expect to pay $49. The most popular route, (Ontario - Seattle/Tacoma Intl), can usually be booked for $142.

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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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
Juneyao Airlines
$10 $22 No cancel fee 66%

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

Frontier
$25 $124 No cancel fee 62%
Spirit Airlines
$34 $214 No cancel fee 65%
Alaska Airlines
$38 $390 No cancel fee 75%
JetBlue
$41 $288 No cancel fee 62%
Tunisair
$49 $74 No cancel fee 36%

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

Delta
$71 $289 No cancel fee N/A
Breeze Airways
$78 $156 No cancel fee N/A

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

Allegiant Air
$82 $108 No cancel fee 88%
United Airlines
$93 $337 No cancel fee 69%
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