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

As of March 2026, there are 44 flights per day flying from Ontario to North America. The most common time of day flights depart is 1:00PM, with 36% of flights taking off in the afternoon.

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

What airlines fly to North America?

Frontier, United 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 36% 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.

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

As of March 2026, 312 flights take off from Ontario and land in North America each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.

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 March 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.

$58 Cheap Flights from Ontario to North America in 2026

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Find the cheapest flights from Ontario to North America

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:59 am - 4:15 am

ONT

DEN

2h 16mnonstop

6:00 am - 7:26 am

DEN

ONT

2h 26mnonstop

$80Frontier

ven., avr. 24 - dim., mai 3

6:20 am - 9:43 am

ONT

DEN

2h 23mnonstop

10:30 pm - 11:56 pm

DEN

ONT

2h 26mnonstop

$81Frontier

mer., avr. 1 - jeu., avr. 2

12:59 am - 4:15 am

ONT

DEN

2h 16mnonstop

10:29 pm - 11:55 pm

DEN

ONT

2h 26mnonstop

$82Frontier

dim., avr. 26 - lun., mai 4

5:05 pm - 11:59 pm

ONT

SEA

6h 54m

1 stop

5:35 am - 12:14 pm

SEA

ONT

6h 39m

1 stop

$119Delta

mar., avr. 14 - sam., avr. 18

11:59 am - 2:55 pm

ONT

SEA

2h 56mnonstop

5:35 am - 12:14 pm

SEA

ONT

6h 39m

1 stop

$128Delta

sam., avr. 4 - mar., avr. 14

3:00 pm - 8:05 pm

ONT

SEA

5h 05m

1 stop

6:15 pm - 11:05 pm

SEA

ONT

4h 50m

1 stop

$146Southwest

jeu., avr. 23 - lun., avr. 27

1:50 pm - 6:50 pm

ONT

HOU

3h 00mnonstop

8:05 am - 9:30 am

HOU

ONT

3h 25mnonstop

$237Southwest

ven., avr. 17 - lun., avr. 20

7:30 am - 8:05 pm

ONT

JFK

9h 35m

1 stop

5:20 pm - 10:36 pm

JFK

ONT

8h 16m

1 stop

$279American Airlines

mer., avr. 15 - sam., avr. 18

11:59 pm - 11:34 am

ONT

JFK

8h 35m

1 stop

5:20 pm - 10:36 pm

JFK

ONT

8h 16m

1 stop

$284American Airlines

mer., avr. 8 - mer., avr. 15

1:27 pm - 7:20 pm

ONT

HNL

8h 53m

1 stop

7:00 am - 5:52 pm

HNL

ONT

7h 52m

1 stop

$316United Airlines

mar., avr. 28 - mer., mai 6

Frontier flights from Ontario to North America

Our best Frontier deals on Ontario to North America flight tickets

Frontier

Apr 24

ONT12:59 amOntario

2h 16m

DEN4:15 amDenver Intl

May 5

DEN10:29 pmDenver Intl

2h 26m

ONT11:55 pmOntario

$80

Frontier

Apr 26

ONT12:59 amOntario

2h 16m

DEN4:15 amDenver Intl

May 4

DEN10:29 pmDenver Intl

2h 26m

ONT11:55 pmOntario

$82

Frontier

Apr 8

ONT6:20 amOntario

2h 23m

DEN9:43 amDenver Intl

Apr 14

DEN10:29 pmDenver Intl

2h 26m

ONT11:55 pmOntario

$83

United Airlines flights from Ontario to North America

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

United Airlines

Apr 9

ONT1:27 pmOntario

1h 29m

SFO2:56 pmSan Francisco

Apr 14

SFO8:25 amSan Francisco

1h 31m

ONT9:56 amOntario

$137

United Airlines

Mar 31

ONT11:05 amOntario

1h 29m

SFO12:34 pmSan Francisco

Mar 31

SFO4:25 pmSan Francisco

1h 37m

ONT6:02 pmOntario

$152

United Airlines

Apr 1

ONT6:49 pmOntario

1h 29m

SFO8:18 pmSan Francisco

Apr 8

SFO9:09 pmSan Francisco

1h 36m

ONT10:45 pmOntario

$157

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioDenver

ONT - DEN

ONTDEN

Ontario

ven. 4/24

12:59 am-4:15 am

Nonstop2h 16m

Denver Intl

dim. 5/3

6:00 am-7:26 am

Nonstop2h 26m

$80

OntarioDenver

ONT - DEN

ONTDEN

Ontario

mer. 4/1

6:20 am-9:43 am

Nonstop2h 23m

Denver Intl

jeu. 4/2

10:30 pm-11:56 pm

Nonstop2h 26m

$81

OntarioDenver

ONT - DEN

ONTDEN

Ontario

dim. 4/26

12:59 am-4:15 am

Nonstop2h 16m

Denver Intl

lun. 5/4

10:29 pm-11:55 pm

Nonstop2h 26m

$82

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

mar. 4/14

5:05 pm-11:59 pm

1 stop6h 54m

Seattle/Tacoma Intl

sam. 4/18

5:35 am-12:14 pm

1 stop6h 39m

$119

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

sam. 4/4

11:59 am-2:55 pm

Nonstop2h 56m

Seattle/Tacoma Intl

mar. 4/14

5:35 am-12:14 pm

1 stop6h 39m

$128

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

jeu. 4/23

3:00 pm-8:05 pm

1 stop5h 05m

Seattle/Tacoma Intl

lun. 4/27

6:15 pm-11:05 pm

1 stop4h 50m

$146

OntarioHouston

ONT - HOU

ONTHOU

Ontario

ven. 4/17

1:50 pm-6:50 pm

Nonstop3h 00m

Houston Hobby

lun. 4/20

8:05 am-9:30 am

Nonstop3h 25m

$237

OntarioNew York

ONT - JFK

ONTJFK

Ontario

mer. 4/15

7:30 am-8:05 pm

1 stop9h 35m

New York John F Kennedy Intl

sam. 4/18

5:20 pm-10:36 pm

1 stop8h 16m

$279

OntarioNew York

ONT - JFK

ONTJFK

Ontario

mer. 4/8

11:59 pm-11:34 am

1 stop8h 35m

New York John F Kennedy Intl

mer. 4/15

5:20 pm-10:36 pm

1 stop8h 16m

$284

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mar. 4/28

1:27 pm-7:20 pm

1 stop8h 53m

Honolulu

mer. 5/6

7:00 am-5:52 pm

1 stop7h 52m

$316

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 January is, on average, the cheapest month to fly to North America from Ontario, with most prices found around $272. If you are unable to visit North America during the month of January, then departing from Ontario during the month November 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 $327. 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 $385.

What is the cheapest Ontario to North America flight route?

Fly from Ontario to Las Vegas Harry Reid Intl 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 $342 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 $262 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	$40
Fastest flight time	1h 05m
Direct flights	Every day
Airports in North America	5,163 airports

The best one-way flight to North America from Ontario in the past 72 hours is $40. The best round-trip flight deal from Ontario to North America found on momondo in the last 72 hours is $132.

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

Direct flights go from Ontario to North America every day.

There are 5,163 airports in North America. From Ontario there are direct flights to San Francisco (SFO).

Search flight deals

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 March 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 (14.90% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (11.60%), Boeing 737 MAX 8 (11.30%), and Airbus A321-100/200 (9.46%).

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 8,516 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $36	Free Cancellation	Rating 5.7 3,034 reviews	Search Frontier flights
United Airlines	PriceFrom $59	Free Cancellation	Rating 7.4 9,413 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $78	Free Cancellation	Rating 8.0 12,025 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,317 reviews	Search Southwest flights
JetBlue	PriceFrom $155	Free Cancellation	Rating 7.2 2,900 reviews	Search JetBlue flights
Delta	PriceFrom $158	Free Cancellation	Rating 7.9 8,278 reviews	Search Delta flights
American Airlines	PriceFrom $249	Free Cancellation	Rating 7.1 11,421 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

Other flights from Ontario

Other flights to North America

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Complete your trip

Feeling lucky

Popular cities in North America

Flights to New Yorkfrom $55

Flights to Los Angelesfrom $57

Flights to Orlandofrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $56

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $20

Flights to Washington, D.C.from $56

Flights to Bostonfrom $76

Flights to Atlantafrom $49

Flights to Dallasfrom $64

Flights to Seattlefrom $55

Cheap flights from Ontario to North America from $64

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 5/8. 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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Cheap round-trip flights

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Frontier flights from Ontario to North America

Our best Frontier deals on Ontario to North America flight tickets

United Airlines flights from Ontario to North America

Our best United Airlines 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 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

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