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

As of May 2026, 442 flights take off from Ontario and land in North America each week. The most common flight departure day for this route is Fri, with 17% of weekly flights taking off on this day.

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

United Airlines, Southwest, and Delta 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 May 2026, there are 63 flights per day flying from Ontario to North America. The most common time of day flights depart is 7:00AM, with 48% of flights taking off at noon.

What airlines fly to North America?

Frontier, American Airlines and Spirit 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 33% of people opting to fly with this airline when traveling to North America. Keep in mind that there are 12 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 10 as of May 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.

$25 Cheap Flights from Ontario to North America in 2026

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Find the cheapest flights from Ontario to North America

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 4:43 pm

ONT

LAS

1h 13mnonstop

6:22 pm - 7:32 pm

LAS

ONT

1h 10mnonstop

$74Frontier

Thu, May 28 - Mon, Jun 1

3:40 pm - 4:51 pm

ONT

LAS

1h 11mnonstop

1:56 pm - 3:07 pm

LAS

ONT

1h 11mnonstop

$75Frontier

Thu, Aug 13 - Sat, Aug 15

2:50 pm - 6:00 pm

ONT

DEN

2h 10mnonstop

8:15 am - 9:35 am

DEN

ONT

2h 20mnonstop

$117Southwest

Tue, Jul 21 - Wed, Jul 29

12:30 pm - 5:35 pm

ONT

HOU

3h 05mnonstop

8:50 pm - 10:05 pm

HOU

ONT

3h 15mnonstop

$277Southwest

Wed, Aug 12 - Tue, Aug 18

1:11 pm - 11:58 pm

ONT

JFK

7h 47m

1 stop

6:59 am - 12:04 pm

JFK

ONT

8h 05m

1 stop

$287American Airlines

Tue, Jun 9 - Sat, Jun 13

7:00 am - 8:20 pm

ONT

JFK

10h 20m

1 stop

2:43 pm - 10:38 pm

JFK

ONT

10h 55m

1 stop

$291American Airlines

Wed, May 27 - Wed, Jun 3

11:52 am - 12:43 am

ONT

JFK

9h 51m

1 stop

5:29 pm - 11:10 am

JFK

ONT

20h 41m

1 stop

$294Alaska Airlines

Fri, May 29 - Thu, Jun 4

6:00 am - 6:26 pm

ONT

EWR

9h 26m

1 stop

9:30 am - 7:02 pm

EWR

ONT

12h 32m

1 stop

$321Alaska Airlines

Wed, May 27 - Sat, May 30

6:30 pm - 5:40 am

ONT

EWR

8h 10m

1 stop

6:00 am - 12:44 pm

EWR

ONT

9h 44m

1 stop

$331United Airlines

Fri, May 29 - Tue, Jun 2

6:30 pm - 5:38 am

ONT

EWR

8h 08m

1 stop

7:00 am - 12:12 pm

EWR

ONT

8h 12m

1 stop

$341United Airlines

Thu, Jun 18 - Thu, Jun 25

Frontier flights from Ontario to North America

Our best Frontier deals on Ontario to North America flight tickets

Frontier

May 28

ONT3:30 pmOntario

1h 13m

LAS4:43 pmLas Vegas Harry Reid Intl

Jun 1

LAS6:22 pmLas Vegas Harry Reid Intl

1h 10m

ONT7:32 pmOntario

$74

Frontier

Aug 13

ONT3:40 pmOntario

1h 11m

LAS4:51 pmLas Vegas Harry Reid Intl

Aug 15

LAS6:46 pmLas Vegas Harry Reid Intl

1h 07m

ONT7:53 pmOntario

$75

Frontier

Sep 5

ONT3:34 pmOntario

1h 12m

LAS4:46 pmLas Vegas Harry Reid Intl

Sep 10

LAS9:10 amLas Vegas Harry Reid Intl

1h 11m

ONT10:21 amOntario

$76

Southwest flights from Ontario to North America

Our best Southwest deals on Ontario to North America flight tickets

Southwest

Jul 21

ONT2:50 pmOntario

2h 10m

DEN6:00 pmDenver Intl

Jul 29

DEN8:15 amDenver Intl

2h 20m

ONT9:35 amOntario

$117

Southwest

Jun 22

ONT7:30 pmOntario

4h 00m

1 stop

SEA11:30 pmSeattle/Tacoma Intl

Jun 24

SEA6:15 amSeattle/Tacoma Intl

7h 50m

1 stop

ONT2:05 pmOntario

$152

Southwest

Jun 2

ONT3:45 pmOntario

7h 00m

1 stop

SFO10:45 pmSan Francisco

Jun 9

SFO5:00 amSan Francisco

4h 15m

1 stop

ONT9:15 amOntario

$157

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 5/28

3:30 pm-4:43 pm

Nonstop1h 13m

Las Vegas Harry Reid Intl

Mon 6/1

6:22 pm-7:32 pm

Nonstop1h 10m

$74

Quickest round-trip

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Thu 8/13

3:40 pm-4:51 pm

Nonstop1h 11m

Las Vegas Harry Reid Intl

Sat 8/15

1:56 pm-3:07 pm

Nonstop1h 11m

$75

OntarioDenver

ONT - DEN

ONTDEN

Ontario

Tue 7/21

2:50 pm-6:00 pm

Nonstop2h 10m

Denver Intl

Wed 7/29

8:15 am-9:35 am

Nonstop2h 20m

$117

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 8/12

12:30 pm-5:35 pm

Nonstop3h 05m

Houston Hobby

Tue 8/18

8:50 pm-10:05 pm

Nonstop3h 15m

$277

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 6/9

1:11 pm-11:58 pm

1 stop7h 47m

New York John F Kennedy Intl

Sat 6/13

6:59 am-12:04 pm

1 stop8h 05m

$287

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 5/27

7:00 am-8:20 pm

1 stop10h 20m

New York John F Kennedy Intl

Wed 6/3

2:43 pm-10:38 pm

1 stop10h 55m

$291

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 5/29

11:52 am-12:43 am

1 stop9h 51m

New York John F Kennedy Intl

Thu 6/4

5:29 pm-11:10 am

1 stop20h 41m

$294

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 5/27

6:00 am-6:26 pm

1 stop9h 26m

Newark

Sat 5/30

9:30 am-7:02 pm

1 stop12h 32m

$321

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 5/29

6:30 pm-5:40 am

1 stop8h 10m

Newark

Tue 6/2

6:00 am-12:44 pm

1 stop9h 44m

$331

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Thu 6/18

6:30 pm-5:38 am

1 stop8h 08m

Newark

Thu 6/25

7:00 am-12:12 pm

1 stop8h 12m

$341

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 $281. 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 $296.

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 $337. 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 $413.

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 $357 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 $285 on momondo.

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	$85
Fastest flight time	1h 05m
Direct flights	Every day
Airports in North America	5,165 airports

The best one-way flight to North America from Ontario in the past 72 hours is $85. The best round-trip flight deal from Ontario to North America found on momondo in the last 72 hours is $137.

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

Direct flights go from Ontario to North America every day.

There are 5,165 airports in North America. From Ontario there are direct flights to Las Vegas Harry Reid Intl (LAS).

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 10 as of May 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 (14.25% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (13.71%), Airbus A321-100/200 (11.67%), and Boeing 737-800 Passenger/BBJ2 (winglets) (10.84%).

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 $24	Free Cancellation	Rating 6.3 8,636 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $38	Free Cancellation	Rating 5.6 2,957 reviews	Search Frontier flights
United Airlines	PriceFrom $77	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $78	Free Cancellation	Rating 7.9 12,348 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $101	Free Cancellation	Rating 8.0 4,306 reviews	Search Southwest flights
Delta	PriceFrom $148	Free Cancellation	Rating 7.9 8,455 reviews	Search Delta flights
JetBlue	PriceFrom $153	Free Cancellation	Rating 7.1 2,977 reviews	Search JetBlue flights
American Airlines	PriceFrom $182	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines 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.

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Popular cities

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Complete your trip

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Popular cities in North America

Flights to New Yorkfrom $54

Flights to Los Angelesfrom $56

Flights to Orlandofrom $50

Flights to Miamifrom $56

Flights to Chicagofrom $58

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $56

Flights to Bostonfrom $83

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $72

Cheap flights from Ontario to North America from $25

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 6/3. 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

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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?

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