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

As of July 2025, there are 80 flights per day flying from Ontario to North America. The most common time of day flights depart is 1:00PM, with 32% of flights taking off at noon.

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

As of July 2025, 561 flights take off from Ontario and land in North America each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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

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

What airlines fly to North America?

Frontier, Spirit Airlines and Delta 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 37% of people opting to fly with this airline when traveling to North America. Keep in mind that there are 16 different airlines that fly to North America on a routine basis, so you have a few additional options to choose from.

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 9 as of July 2025.

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.

$29 Cheap Flights from Ontario to North America in 2025

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Find the cheapest flights from Ontario to North America

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:00 am - 7:11 amONT-LAS

1h 11mnonstop

10:27 am - 11:43 amLAS-ONT

1h 16mnonstop

$53Frontier

Find Deal

Thu, Sep 4 - Thu, Sep 4

9:15 am - 10:23 amONT-LAS

1h 08mnonstop

11:27 am - 12:43 pmLAS-ONT

1h 16mnonstop

$56Frontier

Find Deal

Thu, Sep 11 - Sat, Sep 20

8:30 pm - 9:35 pmONT-LAS

1h 05mnonstop

11:05 am - 4:45 pmLAS-ONT

5h 40m1 stop

$107Southwest

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Mon, Sep 22 - Wed, Sep 24

6:20 am - 9:25 amONT-LAS

3h 05m1 stop

7:10 am - 8:15 amLAS-ONT

1h 05mnonstop

$110Southwest

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Wed, Aug 6 - Fri, Aug 8

1:19 pm - 2:46 pmONT-SFO

1h 27mnonstop

9:25 pm - 10:52 pmSFO-ONT

1h 27mnonstop

$117United Airlines

Find Deal

Tue, Aug 5 - Tue, Aug 5

10:50 am - 3:53 pmONT-DFW

3h 03mnonstop

9:20 pm - 10:33 pmDFW-ONT

3h 13mnonstop

$139American Airlines

Find Deal

Fri, Aug 29 - Fri, Sep 5

6:00 am - 7:19 amONT-SFO

1h 19mnonstop

7:10 pm - 8:33 pmSFO-ONT

1h 23mnonstop

$144United Airlines

Find Deal

Fri, Aug 22 - Tue, Aug 26

11:40 am - 2:25 pmONT-SEA

2h 45mnonstop

7:50 pm - 10:40 pmSEA-ONT

2h 50mnonstop

$167Delta

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Wed, Sep 10 - Sat, Sep 20

12:22 pm - 7:23 pmONT-PDX

7h 01m1 stop

5:05 am - 11:32 amPDX-ONT

6h 27m1 stop

$178American Airlines

Find Deal

Fri, Aug 22 - Sat, Aug 23

11:40 am - 2:25 pmONT-SEA

2h 45mnonstop

8:05 am - 10:50 amSEA-ONT

2h 45mnonstop

$188Delta

Find Deal

Sat, Sep 6 - Sun, Sep 7

United Airlines flights from Ontario to North America

Our best United Airlines deals on Ontario to North America flight tickets

United Airlines

Aug 5

ONT1:19 pmOntario

1h 27m

SFO2:46 pmSan Francisco

Aug 5

SFO9:25 pmSan Francisco

1h 27m

ONT10:52 pmOntario

$117

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United Airlines

Aug 22

ONT6:00 amOntario

1h 19m

SFO7:19 amSan Francisco

Aug 26

SFO7:10 pmSan Francisco

1h 23m

ONT8:33 pmOntario

$144

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United Airlines

Aug 19

ONT5:10 amOntario

2h 17m

DEN8:27 amDenver Intl

Aug 19

DEN7:25 pmDenver Intl

2h 18m

ONT8:43 pmOntario

$157

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Southwest flights from Ontario to North America

Our best Southwest deals on Ontario to North America flight tickets

Southwest

Sep 22

ONT8:30 pmOntario

1h 05m

LAS9:35 pmLas Vegas Harry Reid Intl

Sep 24

LAS11:05 amLas Vegas Harry Reid Intl

5h 40m

1 stop

ONT4:45 pmOntario

$107

Find similar

Southwest

Aug 6

ONT6:20 amOntario

3h 05m

1 stop

LAS9:25 amLas Vegas Harry Reid Intl

Aug 8

LAS7:10 amLas Vegas Harry Reid Intl

1h 05m

ONT8:15 amOntario

$110

Find similar

Southwest

Aug 12

ONT11:00 amOntario

6h 00m

2 stops

LAS5:00 pmLas Vegas Harry Reid Intl

Aug 12

LAS7:40 pmLas Vegas Harry Reid Intl

1h 05m

ONT8:45 pmOntario

$112

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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 January is, on average, the cheapest month to fly to North America from Ontario, with most prices found around $276. If you are unable to visit North America during the month of January, then departing from Ontario during the month September is also very affordable. Most momondo users find prices during this month for around $284.

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 $328. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to North America on Thursday is $374.

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

The cheapest time of day to fly to North America is in the afternoon when flights can be purchased for as low as $309. Try not to purchase tickets in the evening because they tend to be around $356. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 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 $356 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 $259 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	$29
Fastest flight time	1h 05m
Direct flights	Every day
Airports in North America	6 airports

The best one-way flight to North America from Ontario in the past 72 hours is $29. The best round-trip flight deal from Ontario to North America found on momondo in the last 72 hours is $53.

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

Direct flights go from Ontario to North America every day.

There are 6 airports near North America: Dallas/Fort Worth (DFW), Portland (PDX), Denver Intl (DEN), San Francisco (SFO), Seattle/Tacoma Intl (SEA), Las Vegas Harry Reid Intl (LAS)

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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 9 as of July 2025.
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 A320neo (15.45% of total bookings). The next most popular plane models are Airbus A321neo (13.17%), Boeing 737-800 Passenger/BBJ2 (winglets) (9.73%), and Boeing 737 MAX 8 (8.95%).

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
Spirit Airlines	PriceFrom $22	Free Cancellation	Rating 6.3 8,047 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $35	Free Cancellation	Rating 5.9 3,260 reviews	Search Frontier flights
United Airlines	PriceFrom $58	Free Cancellation	Rating 7.4 8,856 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $67	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $85	Free Cancellation	Rating 8.0 7,953 reviews	Search Delta flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,243 reviews	Search Southwest flights
JetBlue	PriceFrom $207	Free Cancellation	Rating 7.3 2,908 reviews	Search JetBlue flights
Viva	PriceFrom $228	Free Cancellation	Rating 6.9 787 reviews	Search Viva flights
American Airlines	PriceFrom $245	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Volaris	PriceFrom $280	Free Cancellation	Rating 6.6 1,161 reviews	Search Volaris 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 in North America

Flights to New Yorkfrom $38

Flights to Los Angelesfrom $47

Flights to Miamifrom $43

Flights to Chicagofrom $48

Flights to Las Vegasfrom $35

Flights to Orlandofrom $58

Flights to San Franciscofrom $57

Flights to Washington, D.C.from $43

Flights to Bostonfrom $52

Flights to Dallasfrom $66

Flights to Atlantafrom $49

Flights to Cancúnfrom $180

Cheap flights from Ontario to North America from $29

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 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

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Find the cheapest flights from Ontario to North America

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from Ontario to North America

Our best United Airlines 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

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

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 time of day to depart on your flight to North America?

The cheapest time of day to fly to North America is in the afternoon when flights can be purchased for as low as $309. Try not to purchase tickets in the evening because they tend to be around $356. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 to North America?

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.

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

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

What airlines fly to North America?

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

As of July 2025, there are 80 flights per day flying from Ontario to North America. The most common time of day flights depart is 1:00PM, with 32% of flights taking off at noon.

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

As of July 2025, 561 flights take off from Ontario and land in North America each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

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

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

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

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

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

What is the most popular plane model 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?

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

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

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

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

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