How many flights depart from Ontario to North America on average per week?

As of June 2026, 441 flights take off from Ontario and land in North America each week. The most common flight departure day for this route is Wed, with 18% of weekly flights taking off on this day.

What airlines fly to North America?

Frontier, American Airlines and United Airlines are the top three most popular airlines that fly to North America from Ontario according to our data. Frontier is the first choice among our users, with 29% of people opting to fly with this airline when traveling to North America. Keep in mind that there are 15 different airlines that fly to North America on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to North America?

Southwest, Delta, and United Airlines are the most popular carriers operating from Ontario to North America

How many flights depart from Ontario to North America on average per day?

As of June 2026, there are 63 flights per day flying from Ontario to North America. The most common time of day flights depart is 12:00PM, with 36% of flights taking off at noon.

When did momondo last update prices for flights from Ontario Airport to North America?

Prices for flights from Ontario Airport to North America are updated daily.

How many operators does momondo search for flights from Ontario Airport to North America?

The number of operators available for flights from Ontario Airport to North America is 8 as of June 2026.

How old do you have to be to fly from Ontario Airport to North America?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to North America.

What documentation or ID do you need to fly to North America?

The travel and health documents you'll need for your trip to North America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at North America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$62 Cheap Flights from Ontario to North America in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to North America

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:36 pm - 10:13 pm

ONT

SFO

1h 37mnonstop

11:13 am - 12:48 pm

SFO

ONT

1h 35mnonstop

$104Frontier

Thu, Jun 25 - Tue, Jun 30

8:36 pm - 10:13 pm

ONT

SFO

1h 37mnonstop

11:13 am - 12:48 pm

SFO

ONT

1h 35mnonstop

$105Frontier

Mon, Jun 29 - Tue, Jun 30

12:30 pm - 5:35 pm

ONT

HOU

3h 05mnonstop

8:05 am - 9:15 am

HOU

ONT

3h 10mnonstop

$272Southwest

Wed, Aug 5 - Mon, Aug 10

5:45 pm - 12:30 am

ONT

HOU

4h 45m

1 stop

8:50 pm - 10:05 pm

HOU

ONT

3h 15mnonstop

$277Southwest

Thu, Aug 6 - Tue, Aug 11

12:00 pm - 9:23 pm

ONT

HOU

7h 23m

1 stop

6:00 am - 11:04 am

HOU

ONT

7h 04m

1 stop

$290Delta

Sat, Sep 5 - Tue, Sep 8

1:00 pm - 11:51 pm

ONT

JFK

7h 51m

1 stop

7:05 am - 5:17 pm

JFK

ONT

13h 12m

1 stop

$303Delta

Fri, Oct 9 - Mon, Oct 12

6:15 am - 6:00 pm

ONT

JFK

8h 45m

1 stop

6:56 am - 1:31 pm

JFK

ONT

9h 35m

1 stop

$308American Airlines

Fri, Aug 7 - Wed, Aug 12

10:47 am - 11:29 pm

ONT

EWR

9h 42m

1 stop

7:20 am - 2:16 pm

EWR

ONT

9h 56m

1 stop

$347Alaska Airlines

Fri, Sep 25 - Tue, Sep 29

6:54 pm - 6:59 am

ONT

EWR

9h 05m

1 stop

9:30 am - 6:00 pm

EWR

ONT

11h 30m

1 stop

$359Alaska Airlines

Thu, Oct 15 - Sat, Oct 17

12:33 pm - 11:03 pm

ONT

EWR

7h 30m

1 stop

7:20 am - 12:03 pm

EWR

ONT

7h 43m

1 stop

$376American Airlines

Tue, Sep 1 - Sat, Sep 12

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Frontier flights from Ontario to North America

Our best Frontier deals on Ontario to North America flight tickets

Frontier

Jun 25

ONT8:36 pmOntario

1h 37m

SFO10:13 pmSan Francisco

Jun 30

SFO11:13 amSan Francisco

1h 35m

ONT12:48 pmOntario

$104

Frontier

Jun 29

ONT8:36 pmOntario

1h 37m

SFO10:13 pmSan Francisco

Jun 30

SFO11:13 amSan Francisco

1h 35m

ONT12:48 pmOntario

$105

Frontier

Jun 29

ONT8:36 pmOntario

1h 37m

SFO10:13 pmSan Francisco

Jun 30

SFO11:13 amSan Francisco

1h 35m

ONT12:48 pmOntario

$106

Southwest flights from Ontario to North America

Our best Southwest deals on Ontario to North America flight tickets

Southwest

Jul 7

ONT1:20 pmOntario

2h 15m

DEN4:35 pmDenver Intl

Jul 14

DEN6:00 amDenver Intl

6h 30m

1 stop

ONT11:30 amOntario

$155

Southwest

Jul 21

ONT4:10 pmOntario

6h 00m

2 stops

DEN11:10 pmDenver Intl

Jul 28

DEN8:15 amDenver Intl

2h 20m

ONT9:35 amOntario

$160

Southwest

Jul 21

ONT4:35 pmOntario

6h 00m

2 stops

SFO10:35 pmSan Francisco

Jul 22

SFO6:00 amSan Francisco

5h 30m

1 stop

ONT11:30 amOntario

$162

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 6/25

8:36 pm-10:13 pm

Nonstop1h 37m

San Francisco

Tue 6/30

11:13 am-12:48 pm

Nonstop1h 35m

$104

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Mon 6/29

8:36 pm-10:13 pm

Nonstop1h 37m

San Francisco

Tue 6/30

11:13 am-12:48 pm

Nonstop1h 35m

$105

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 8/5

12:30 pm-5:35 pm

Nonstop3h 05m

Houston Hobby

Mon 8/10

8:05 am-9:15 am

Nonstop3h 10m

$272

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Thu 8/6

5:45 pm-12:30 am

1 stop4h 45m

Houston Hobby

Tue 8/11

8:50 pm-10:05 pm

Nonstop3h 15m

$277

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Sat 9/5

12:00 pm-9:23 pm

1 stop7h 23m

Houston Hobby

Tue 9/8

6:00 am-11:04 am

1 stop7h 04m

$290

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 10/9

1:00 pm-11:51 pm

1 stop7h 51m

New York John F Kennedy Intl

Mon 10/12

7:05 am-5:17 pm

1 stop13h 12m

$303

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 8/7

6:15 am-6:00 pm

1 stop8h 45m

New York John F Kennedy Intl

Wed 8/12

6:56 am-1:31 pm

1 stop9h 35m

$308

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 9/25

10:47 am-11:29 pm

1 stop9h 42m

Newark

Tue 9/29

7:20 am-2:16 pm

1 stop9h 56m

$347

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Thu 10/15

6:54 pm-6:59 am

1 stop9h 05m

Newark

Sat 10/17

9:30 am-6:00 pm

1 stop11h 30m

$359

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 9/1

12:33 pm-11:03 pm

1 stop7h 30m

Newark

Sat 9/12

7:20 am-12:03 pm

1 stop7h 43m

$376

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to North America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to North America?

The month of September is, on average, the cheapest month to fly to North America from Ontario, with most prices found around $278. If you are unable to visit North America during the month of September, then departing from Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $300.

What is the cheapest day to depart on your flight to North America?

The cheapest day to depart from Ontario to North America is on a Sunday. Travelers who choose to depart for North America on a Sunday will often find tickets for as low as $342. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to North America on Wednesday is $445.

What is the cheapest Ontario to North America flight route?

Fly from Ontario to San Francisco for the best Ontario - North America flight prices

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

You are more likely to see cheaper flights to North America from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to North America for around $368 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to North America from Ontario for as low as $301 on momondo.

What cabin class options are available on Ontario to North America flights?

There are 4 cabin classes available to choose from on Ontario to North America flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ontario to North America flights?

No. A direct flight is the cheapest option for a flight between Ontario to North America.

Cheap Ontario to North America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to North America

Best Price Found	$101
Fastest flight time	1h 05m
Direct flights	Every day
Airports in North America	5,166 airports

The best one-way flight to North America from Ontario in the past 72 hours is $101. The best round-trip flight deal from Ontario to North America found on momondo in the last 72 hours is $183.

The fastest flight from Ontario to North America takes 1h 05m

Direct flights go from Ontario to North America every day.

There are 5,166 airports in North America. From Ontario there are direct flights to San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from Ontario to North America

When did momondo last update prices for flights from Ontario Airport to North America?
Prices for flights from Ontario Airport to North America are updated daily.
How many operators does momondo search for flights from Ontario Airport to North America?
The number of operators available for flights from Ontario Airport to North America is 8 as of June 2026.
How old do you have to be to fly from Ontario Airport to North America?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to North America.
What documentation or ID do you need to fly to North America?
The travel and health documents you'll need for your trip to North America may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at North America. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ontario to North America?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ontario to North America is Airbus A321neo (14.78% of total bookings). The next most popular plane models are Airbus A321-100/200 (13.45%), Boeing 737 MAX 8 (12.79%), and Airbus A320neo (11.89%).

Best airlines flying from Ontario to North America

Compare and see reviews for airlines that fly from Ontario to North America with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $51	Free Cancellation	Rating 5.6 2,898 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $78	Free Cancellation	Rating 7.9 12,480 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $89	Free Cancellation	Rating 7.4 9,808 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,830 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $104	Free Cancellation	Rating 7.9 8,400 reviews	Search Delta flights
Southwest	PriceFrom $150	Free Cancellation	Rating 7.9 4,235 reviews	Search Southwest flights
JetBlue	PriceFrom $153	Free Cancellation	Rating 7.1 2,981 reviews	Search JetBlue flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
Air Canada	PriceFrom $279	Free Cancellation	Rating 7.1 11,159 reviews	Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to North America?

It is quick and easy to find Ontario to North America flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to North America that suits you.

Can I find flights from Ontario to North America with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to North America from Ontario with this policy.

How can momondo help me find flights from Ontario to North America?

momondo provides multiple filters to help you find the best flight to North America from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to North America right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to North America flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your North America trip

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Popular cities

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Popular cities in North America

Flights to New Yorkfrom $72

Flights to Los Angelesfrom $50

Flights to Orlandofrom $64

Flights to Miamifrom $62

Flights to Chicagofrom $73

Flights to San Franciscofrom $87

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $54

Flights to Bostonfrom $70

Flights to Atlantafrom $66

Flights to Fort Lauderdalefrom $55

Flights to Dallasfrom $82

Cheap flights from Ontario to North America from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to North America departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Ontario to North America

Our best Frontier deals on Ontario to North America flight tickets

Southwest flights from Ontario to North America

Our best Southwest deals on Ontario to North America flight tickets

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Use the filters below to find and compare flights from Ontario to North America that are best for you.

How to get the cheapest flight ticket from Ontario to North America

What is the cheapest month to fly to North America?

What is the cheapest day to depart on your flight to North America?

What is the cheapest Ontario to North America flight route?

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

What cabin class options are available on Ontario to North America flights?

Can stopping save me money on Ontario to North America flights?

What is the cheapest airline that flies from Ontario to North America?

What airlines fly to North America?

How many flights depart from Ontario to North America on average per day?

How many flights depart from Ontario to North America on average per week?

Cheap Ontario to North America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to North America

Best Price Found

Fastest flight time

Direct flights

Airports in North America

Frequently asked questions about flying from Ontario to North America

Best airlines flying from Ontario to North America

Compare and see reviews for airlines that fly from Ontario to North America with momondo

Why use momondo?

An easier way to manage your North America trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to North America

Popular cities in North America

Popular flights according to clicks in the last 7 days on momondo

Ontario flight routes

According to popular flight searches on momondo this year

North America flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to North America

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to North America

List of cabin classes available on flights landing in North America. Availability may vary depending on flight origin and airline.

Complete your trip to North America

Explore popular destinations other users love

According to popular flight searches on momondo this year