When is the best time to book a flight from Ontario to North America?

Currently, September is the cheapest month in which you can book a flight from Ontario to North America (average of $238). Flying from Ontario to North America in July is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How recently were the Ontario to North America flight deals updated?

The Ontario to North America flight deals you see on this page were last updated on 5/16.

What are the most popular routes from Ontario to North America?

The most popular flight routes from Ontario to North America are Ontario - New York John F Kennedy Intl, Ontario - Seattle/Tacoma Intl and Ontario - Dallas/Fort Worth.

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 $39, but on average you can expect to pay $43.

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 $47.

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 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.

What does ONT to LAX mean?

ONT and LAX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ONT to LAX refers to a flight route from Ontario Airport to Los Angeles Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: San Francisco Airport (SFO), Miami Airport (MIA), New York John F Kennedy Intl Airport (JFK), Boston Logan Intl Airport (BOS), Atlanta Hartsfield-Jackson Airport (ATL).

Can I find deals for flights from Ontario to North America that include extra baggage allowance?

The amount of baggage you can bring on your Ontario to North America flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Can I find deals on flights from Ontario to North America with specific airlines?

Yes, Cheapflights allows you to browse and filter Ontario to North America flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Can I find deals for flights from Ontario to North America that include hotel bookings?

Yes. In addition to deals on Ontario to North America flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to North America?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to North America.

Can I find deals for business class flights from Ontario to North America?

Yes. Cheapflights offers flight deals from Ontario to North America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Can I find deals for flights from Ontario to North America that allow pets onboard?

Many airlines flying from Ontario to North America offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Can I find deals on last-minute flights from Ontario to North America?

Yes, you can often find last-minute deals on Ontario to North America flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Flights from Ontario, CA to North America from $33

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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 31 days early can save you up to 73% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Ontario to North America for as little as $398 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 $543 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to North America?

Flights from Ontario to North America lean towards being more expensive in December. Prices are generally better when you fly from Ontario to North America in September, with the cheapest ticket starting at $119.

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 Frontier flights from Ontario to North America

Sat 6/87:59 amONT - SFO

Nonstop1h 27mFrontier

Sat 7/65:45 amSFO - ONT

Nonstop1h 22mFrontier

Deal found 5/15$39

Sun 5/267:39 amONT - SFO

Nonstop1h 28mFrontier

Wed 5/295:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$40

Sat 6/87:59 amONT - SFO

Nonstop1h 27mFrontier

Sat 7/65:45 amSFO - ONT

Nonstop1h 22mFrontier

Deal found 5/15$41

Sat 8/317:36 amONT - SFO

Nonstop1h 26mFrontier

Wed 9/45:15 amSFO - ONT

Nonstop1h 21mFrontier

Deal found 5/15$42

Sat 9/147:36 amONT - SFO

Nonstop1h 26mFrontier

Tue 9/175:15 amSFO - ONT

Nonstop1h 21mFrontier

Deal found 5/15$43

Wed 6/198:09 amONT - SFO

Nonstop1h 28mFrontier

Sat 6/225:45 amSFO - ONT

Nonstop1h 23mFrontier

Deal found 5/15$44

Wed 5/297:39 amONT - SFO

Nonstop1h 28mFrontier

Mon 6/35:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$45

Wed 5/2911:30 pmONT - LAS

Nonstop1h 14mFrontier

Sun 6/26:30 amLAS - ONT

Nonstop1h 04mFrontier

Deal found 5/16$46

Sat 6/157:59 amONT - SFO

Nonstop1h 27mFrontier

Sat 6/225:45 amSFO - ONT

Nonstop1h 23mFrontier

Deal found 5/16$47

Cheap American Airlines flights from Ontario to North America

Tue 8/2710:35 pmONT - JFK

1 stop8h 25mAmerican Airlines

Tue 9/32:50 pmJFK - ONT

1 stop8h 31mAmerican Airlines

Deal found 5/15$253

Wed 9/1812:40 pmONT - JFK

1 stop7h 38mAmerican Airlines

Tue 9/245:15 pmJFK - ONT

1 stop7h 45mAmerican Airlines

Deal found 5/15$255

Thu 5/237:40 pmONT - LAS

1 stop4h 13mAmerican Airlines

Sat 5/256:34 amLAS - ONT

1 stop5h 13mAmerican Airlines

Deal found 5/15$319

Thu 5/239:00 pmONT - ORD

1 stop7h 00mAmerican Airlines

Sun 5/2612:15 pmORD - ONT

1 stop8h 44mAmerican Airlines

Deal found 5/15$380

Cheap Ontario to North America flights in May & June 2024

Sun 6/169:20 pmONT - LAS

Nonstop1h 13mFrontier

Fri 6/218:00 amLAS - ONT

Nonstop1h 04mFrontier

Deal found 5/16$42

Sat 6/227:15 pmONT - LAS

Nonstop1h 06mFrontier

Fri 6/288:00 amLAS - ONT

Nonstop1h 04mFrontier

Deal found 5/15$43

Tue 5/217:39 amONT - SFO

Nonstop1h 28mFrontier

Tue 5/285:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$43

Sun 5/261:31 pmONT - LAS

Nonstop1h 10mFrontier

Wed 5/2911:45 amLAS - ONT

Nonstop1h 10mFrontier

Deal found 5/15$44

Wed 6/198:09 amONT - SFO

Nonstop1h 28mFrontier

Sat 6/225:45 amSFO - ONT

Nonstop1h 23mFrontier

Deal found 5/15$44

Fri 6/78:50 pmONT - LAS

Nonstop1h 10mFrontier

Sun 6/99:49 amLAS - ONT

Nonstop1h 07mFrontier

Deal found 5/15$45

Wed 5/297:39 amONT - SFO

Nonstop1h 28mFrontier

Mon 6/35:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$45

Wed 5/2911:30 pmONT - LAS

Nonstop1h 14mFrontier

Sun 6/26:30 amLAS - ONT

Nonstop1h 04mFrontier

Deal found 5/16$46

Wed 5/227:39 amONT - SFO

Nonstop1h 28mFrontier

Thu 5/235:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$46

Ontario to North America 2024 flight deals

Tue 7/27:26 pmONT - LAS

Nonstop1h 06mFrontier

Fri 7/58:00 amLAS - ONT

Nonstop1h 03mFrontier

Deal found 5/15$38

Sun 5/267:39 amONT - SFO

Nonstop1h 28mFrontier

Sat 6/15:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$38

Thu 5/301:26 pmONT - LAS

Nonstop1h 10mFrontier

Mon 6/311:12 amLAS - ONT

Nonstop1h 10mFrontier

Deal found 5/15$39

Sat 6/87:59 amONT - SFO

Nonstop1h 27mFrontier

Sat 7/65:45 amSFO - ONT

Nonstop1h 22mFrontier

Deal found 5/15$39

Sat 6/110:10 pmONT - LAS

Nonstop1h 17mFrontier

Mon 6/311:12 amLAS - ONT

Nonstop1h 10mFrontier

Deal found 5/16$40

Sun 5/267:39 amONT - SFO

Nonstop1h 28mFrontier

Wed 5/295:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$40

Sat 10/268:35 pmONT - LAS

Nonstop1h 19mFrontier

Tue 10/295:00 pmLAS - ONT

Nonstop1h 09mFrontier

Deal found 5/15$41

Sat 6/87:59 amONT - SFO

Nonstop1h 27mFrontier

Sat 7/65:45 amSFO - ONT

Nonstop1h 22mFrontier

Deal found 5/15$41

Sun 6/169:20 pmONT - LAS

Nonstop1h 13mFrontier

Fri 6/218:00 amLAS - ONT

Nonstop1h 04mFrontier

Deal found 5/16$42

Non-stop flights to North America from Ontario

Wed 6/122:39 pmONT - LAS

Nonstop1h 13mFrontier

Wed 6/1912:05 pmLAS - ONT

Nonstop1h 10mFrontier

Deal found 5/16$42

Sat 8/317:36 amONT - SFO

Nonstop1h 26mFrontier

Wed 9/45:15 amSFO - ONT

Nonstop1h 21mFrontier

Deal found 5/15$42

Fri 6/144:27 pmONT - LAS

Nonstop1h 12mFrontier

Sun 6/166:00 amLAS - ONT

Nonstop1h 03mFrontier

Deal found 5/16$43

Sat 9/147:36 amONT - SFO

Nonstop1h 26mFrontier

Tue 9/175:15 amSFO - ONT

Nonstop1h 21mFrontier

Deal found 5/15$43

Sun 5/261:31 pmONT - LAS

Nonstop1h 10mFrontier

Wed 5/2911:45 amLAS - ONT

Nonstop1h 10mFrontier

Deal found 5/15$44

Wed 6/198:09 amONT - SFO

Nonstop1h 28mFrontier

Sat 6/225:45 amSFO - ONT

Nonstop1h 23mFrontier

Deal found 5/15$44

Fri 6/78:50 pmONT - LAS

Nonstop1h 10mFrontier

Sun 6/99:49 amLAS - ONT

Nonstop1h 07mFrontier

Deal found 5/15$45

Wed 5/297:39 amONT - SFO

Nonstop1h 28mFrontier

Mon 6/35:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$45

Wed 5/2911:30 pmONT - LAS

Nonstop1h 14mFrontier

Sun 6/26:30 amLAS - ONT

Nonstop1h 04mFrontier

Deal found 5/16$46

Ontario to North America flights leaving soon

Tue 5/215:41 pmONT - LAS

Nonstop1h 11mFrontier

Wed 5/222:56 pmLAS - ONT

Nonstop1h 09mFrontier

Deal found 5/15$67

Fri 5/2411:04 pmONT - LAS

Nonstop1h 14mFrontier

Thu 5/302:53 pmLAS - ONT

Nonstop1h 09mFrontier

Deal found 5/15$68

Thu 5/307:39 amONT - SFO

Nonstop1h 28mFrontier

Mon 6/35:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/16$68

Fri 5/2412:59 amONT - DEN

Nonstop2h 21mFrontier

Fri 5/3110:37 pmDEN - ONT

Nonstop2h 22mFrontier

Deal found 5/15$68

Fri 5/2411:04 pmONT - LAS

Nonstop1h 14mFrontier

Tue 5/2811:44 amLAS - ONT

Nonstop1h 10mFrontier

Deal found 5/15$70

Wed 5/227:39 amONT - SFO

Nonstop1h 28mFrontier

Fri 5/245:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$72

Thu 5/237:39 amONT - SFO

Nonstop1h 28mFrontier

Sat 5/255:15 amSFO - ONT

Nonstop1h 24mFrontier

Deal found 5/15$73

Sat 5/255:41 pmONT - LAS

Nonstop1h 11mFrontier

Sun 5/268:28 amLAS - ONT

Nonstop1h 04mFrontier

Deal found 5/15$74

Tue 5/218:29 pmONT - LAS

Nonstop1h 12mFrontier

Wed 5/222:56 pmLAS - ONT

Nonstop1h 09mFrontier

Deal found 5/16$75

One-way flights to North America from Ontario

Thu 8/89:52 pmONT - LAS

Nonstop1h 22mFrontier

Deal found 5/15$33

Mon 7/17:59 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/16$33

Fri 7/198:39 pmONT - LAS

Nonstop1h 17mFrontier

Deal found 5/15$34

Sun 6/167:39 amONT - SFO

Nonstop1h 27mFrontier

Deal found 5/15$34

Wed 9/48:27 pmONT - DEN

Nonstop2h 32mFrontier

Deal found 5/15$34

Fri 8/165:30 pmONT - LAS

Nonstop1h 13mFrontier

Deal found 5/15$35

Thu 10/107:36 amONT - SFO

Nonstop1h 26mFrontier

Deal found 5/16$35

Sat 10/191:10 pmONT - LAS

Nonstop1h 21mFrontier

Deal found 5/16$36

Thu 5/237:39 amONT - SFO

Nonstop1h 28mFrontier

Deal found 5/15$36

Find flights from Ontario to North America within your budget

Fly from

Fly to

Budget

$39 - $123

Route

Depart

Return

Price

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Thu 5/30

Nonstop1h 10m

Las Vegas Harry Reid Intl

Mon 6/3

Nonstop1h 10m

$39

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 6/8

Nonstop1h 27m

San Francisco

Sat 7/6

Nonstop1h 22m

$39

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Sat 7/13

Nonstop1h 18m

Las Vegas Harry Reid Intl

Thu 7/25

Nonstop1h 03m

$40

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sun 5/26

Nonstop1h 28m

San Francisco

Wed 5/29

Nonstop1h 24m

$40

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Sat 10/26

Nonstop1h 19m

Las Vegas Harry Reid Intl

Tue 10/29

Nonstop1h 09m

$41

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 6/8

Nonstop1h 27m

San Francisco

Sat 7/6

Nonstop1h 22m

$41

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Wed 6/12

Nonstop1h 13m

Las Vegas Harry Reid Intl

Wed 6/19

Nonstop1h 10m

$42

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 8/31

Nonstop1h 26m

San Francisco

Wed 9/4

Nonstop1h 21m

$42

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Sun 6/16

Nonstop2h 53m

Seattle/Tacoma Intl

Tue 6/25

Nonstop2h 33m

$123

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing North America

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest

8.2

Very good

6,040 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines

8.1

Very good

9,157 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta

8.0

Very good

10,673 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Hawaiian Airlines

8.0

Very good

2,297 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

JetBlue

7.6

Good

4,472 reviews

Southwest

8.2

Very good

6,040 reviews

Check prices

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

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.
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 $39, but on average you can expect to pay $43.
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 $47.
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 - New York John F Kennedy Intl, Ontario - Seattle/Tacoma Intl and Ontario - Dallas/Fort Worth.
What does ONT to LAX mean?
ONT and LAX are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. ONT to LAX refers to a flight route from Ontario Airport to Los Angeles Airport. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: San Francisco Airport (SFO), Miami Airport (MIA), New York John F Kennedy Intl Airport (JFK), Boston Logan Intl Airport (BOS), Atlanta Hartsfield-Jackson Airport (ATL).
Can I find deals for flights from Ontario to North America that include extra baggage allowance?
The amount of baggage you can bring on your Ontario to North America flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.
Can I find deals on flights from Ontario to North America with specific airlines?
Yes, Cheapflights allows you to browse and filter Ontario to North America flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.
Can I find deals for flights from Ontario to North America that include hotel bookings?
Yes. In addition to deals on Ontario to North America flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to North America?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to North America.
Can I find deals for business class flights from Ontario to North America?
Yes. Cheapflights offers flight deals from Ontario to North America by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Can I find deals for flights from Ontario to North America that allow pets onboard?
Many airlines flying from Ontario to North America offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.
Can I find deals on last-minute flights from Ontario to North America?
Yes, you can often find last-minute deals on Ontario to North America flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
How recently were the Ontario to North America flight deals updated?
The Ontario to North America flight deals you see on this page were last updated on 5/16.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Ontario to North America
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to Newark flights

Los Angeles to John F Kennedy Intl flights

Los Angeles to Haneda flights

Los Angeles to Seattle flights

San Francisco to John F Kennedy Intl flights

Los Angeles to Dallas/Fort Worth flights

Los Angeles to Cancún flights

Los Angeles to Honolulu flights

Los Angeles to LaGuardia flights

Los Angeles to Narita flights

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San Francisco to Newark flights

San Francisco to Seattle flights

Los Angeles to Boston flights

Los Angeles to Miami flights

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Santa Ana to Seattle flights

Los Angeles to O'Hare Intl flights

Ontario to John F Kennedy Intl flights

Los Angeles to Mexico City flights

Los Angeles to Heathrow flights

Los Angeles to San Francisco flights

San Francisco to LaGuardia flights

San Francisco to Los Angeles flights

Burbank to Newark flights

Los Angeles to Orlando flights

San Jose to Los Angeles flights

San Francisco to O'Hare Intl flights

Ontario to Seattle flights

San Francisco to Heathrow flights

Los Angeles to San Jose flights

Los Angeles to Manila flights

San Francisco to Haneda flights

Ontario to Dallas/Fort Worth flights

San Francisco to Honolulu flights

Los Angeles to Reagan-National flights

San Francisco to Boston flights

Oakland to Las Vegas flights

Burbank to Seattle flights

Burbank to Las Vegas flights

Los Angeles to Fort Lauderdale flights

Santa Ana to Las Vegas flights

San Francisco to Dallas/Fort Worth flights

Los Angeles to Baltimore flights

Los Angeles to Portland flights

Oakland to Los Angeles flights

Los Angeles to Atlanta flights

Los Angeles to Hobby flights

Los Angeles to Oakland flights

Los Angeles to San José del Cabo flights

Complete your trip
Complete your trip to North America by adding a car rental and/or hotel reservation to your travel itinerary.

North America car rentals

United States car rentals

Canada car rentals

Mexico car rentals

Los Angeles Airport car rentals

San Francisco Airport car rentals

Miami Airport car rentals

New York John F Kennedy Intl Airport car rentals

Boston Logan Intl Airport car rentals

Atlanta Hartsfield-Jackson Airport car rentals

Dallas/Fort Worth Airport car rentals

Newark Airport car rentals

Las Vegas Harry Reid Intl Airport car rentals

Seattle/Tacoma Intl Airport car rentals

Toronto Pearson Intl Airport car rentals

Chicago O'Hare Intl Airport car rentals

Denver Intl Airport car rentals

Orlando Airport car rentals

Ontario to North America flights
Consider these flights traveling from Ontario to North America.

Ontario to LaGuardia flights

Ontario to Honolulu flights

Ontario to O'Hare Intl flights

Ontario to Cancún flights

Ontario to San Francisco flights

Ontario to Las Vegas flights

Ontario to Denver flights

Ontario to Newark flights

Ontario to Hobby flights

Ontario to Portland flights

Ontario to George Bush Intcntl flights

Ontario to Mexico City flights

Ontario to Miami flights

Ontario to Atlanta flights

Ontario to Midway flights

Ontario to Orlando flights

Ontario to San José del Cabo flights

Ontario to Sky Harbor Intl flights

Ontario to Reagan-National flights

Ontario to Austin flights

Ontario to Salt Lake City flights

Ontario to Boston flights

Ontario to Nashville flights

Ontario to Minneapolis flights

Ontario to Kahului flights

Ontario to Dulles Intl flights

Ontario to Philadelphia flights

Ontario to San Jose flights

Ontario to Baltimore flights

Ontario to Guadalajara flights

Ontario to Detroit flights

Ontario to Cozumel flights

Ontario to Charlotte flights

Ontario to New Orleans flights

Ontario to Vancouver Intl flights

Ontario to Puerto Vallarta flights

Ontario to Fort Lauderdale flights

Ontario to Sacramento flights

Ontario to Lihue flights

Ontario to San Antonio flights

Ontario to Kailua-Kona flights

Ontario to Indianapolis flights

Ontario to Reno flights

Ontario to Tampa flights

Ontario to Pittsburgh flights

Ontario to Pearson Intl flights

Ontario to Oakland flights

Top 9 airlines flying from Ontario to North America

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$35	Average$303	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Spirit Airlines	Cheapest$37	Average$176	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
Breeze Airways	Cheapest$38	Average$176	FlexibilityNo cancel fee	On-timeN/A	Search Breeze Airways flights
JetBlue	Cheapest$39	Average$253	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Frontier	Cheapest$39	Average$198	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Delta	Cheapest$44	Average$315	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	Cheapest$48	Average$394	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Ravn Alaska	Cheapest$72	Average$138	FlexibilityNo cancel fee	On-timeN/A	Search Ravn Alaska flights
American Airlines	Cheapest$176	Average$388	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

USA to Spain flights

Newark Airport to Chicago flights

Atlanta to Los Angeles flights

New York to London flights

Minneapolis to Fort Myers flights

Atlanta to Houston flights

USA to Europe flights

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Baltimore to Miami flights

Cleveland to Miami flights

Newark Airport to Atlanta flights

Ontario to South America flights

Search flights from Ontario to North America by cabin class

Hourly flight availability from Ontario to North America

24%of flight departures	Early morningMidnight to 6 am
44%of flight departures	Morning6 am to noon
16%of flight departures	AfternoonNoon to 6 pm
16%of flight departures	Evening6 pm to midnight

Midnight

6 AM

Noon

6 PM

Book a flight to one of these trending destinations

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Cheapflights helps you search for flights from Ontario to North America via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to North America?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to North America for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to North America with no change fees?

Certainly. Search results for flights to North America from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to North America become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Ontario (ONT) to North America from $33

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

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Cheap Frontier flights from Ontario to North America

Cheap American Airlines flights from Ontario to North America

Cheap Ontario to North America flights in May & June 2024

Find cheap flight options from Ontario to North America specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.

Ontario to North America 2024 flight deals

Discover exclusive flight deals for travel between Ontario and North America in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Non-stop flights to North America from Ontario

Ontario to North America flights leaving soon

One-way flights to North America from Ontario

Find flights from Ontario to North America within your budget

Reviews of airlines servicing North America

Related info for your journey

Find useful and relevant information for your journey from Ontario to North America. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ontario to North America?

Can I find flights from Ontario to North America for under $100 on Cheapflights?

Are there nonstop flights from Ontario to North America for under $100 on Cheapflights?

Are there last-minute flights available from Ontario to North America for under $100?

What are the most popular routes from Ontario to North America?

What does ONT to LAX mean?

Can I find deals for flights from Ontario to North America that include extra baggage allowance?

Can I find deals on flights from Ontario to North America with specific airlines?

Can I find deals for flights from Ontario to North America that include hotel bookings?

How can I find direct flights from Ontario to North America?

Can I find deals for business class flights from Ontario to North America?

Can I find deals for flights from Ontario to North America that allow pets onboard?

Can I find deals on last-minute flights from Ontario to North America?

How recently were the Ontario to North America flight deals updated?

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Alternative routes for Ontario to North AmericaSee prices for flight routes from nearby airports that may be better suited for you.

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Ontario to North America

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from Ontario to North America by cabin class

Find flights from Ontario to North America, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Ontario to North America

Find hourly flight availability from Ontario to North America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2024.

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How does Cheapflights help users find flights from Ontario to North America?

Why should you use Cheapflights to find cheap flight tickets from Ontario to North America?

Can Cheapflights find flights from Ontario to North America with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to North America become cheaper?

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Alternative routes for Ontario to North America
See prices for flight routes from nearby airports that may be better suited for you.