North America

$29+ Cheap flights from Ontario (ONT) to North America

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LAX
Nov 5 — Nov 121
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to North America with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Ontario to North America

Cheapest flights from Ontario to North America
Explore the most affordable flight options available from Ontario to North America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1710:58 pmONT - LAS
Nonstop1h 01mFrontier
Fri 11/228:00 amLAS - ONT
Nonstop1h 04mFrontier
Deal found 10/31$46
This Cheapflightsfares deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/163:41 pmONT - SFO
Nonstop1h 27mFrontier
Sun 11/178:05 amSFO - ONT
Nonstop1h 25mFrontier
Deal found 10/29$50
This Cheapflightsfares deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/217:58 amONT - SEA
Nonstop2h 56mFrontier
Fri 11/226:35 pmSEA - ONT
Nonstop2h 40mFrontier
Deal found 10/31$77
This FlightHub deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1510:58 pmONT - DFW
1 stop4h 50mFrontier
Tue 11/198:57 pmDFW - ONT
Nonstop3h 20mFrontier
Deal found 10/31$113
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:40 amONT - SEA
Nonstop3h 00mDelta
Mon 12/97:55 pmSEA - ONT
Nonstop2h 47mDelta
Deal found 10/31$117
This Frontier deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1412:32 pmONT - ORD
1 stop9h 40mFrontier
Sun 11/179:27 pmORD - ONT
1 stop12h 09mFrontier
Deal found 10/30$128
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/164:07 pmONT - HOU
1 stop18h 19mFrontier
Sat 11/232:53 pmHOU - ONT
1 stop11h 05mFrontier
Deal found 10/30$128
This Orbitz deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/299:54 amONT - SEA
Nonstop2h 56mMultiple Airlines
Fri 12/69:26 pmSEA - ONT
Nonstop2h 33mMultiple Airlines
Deal found 10/31$146
This eDestinos deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/210:05 pmONT - DFW
1 stop9h 47mMultiple Airlines
Thu 12/56:15 amDFW - ONT
1 stop5h 24mMultiple Airlines
Deal found 10/30$149
This Alaska Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/188:52 pmONT - SEA
Nonstop2h 52mAlaska Airlines
Tue 1/710:00 amSEA - ONT
1 stop7h 04mAlaska Airlines
Deal found 10/30$156
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/164:07 pmONT - LGA
1 stop16h 32mFrontier
Mon 11/1812:29 pmLGA - ONT
1 stop14h 14mFrontier
Deal found 10/30$158
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1810:58 pmONT - JFK
1 stop28h 32mFrontier
Thu 11/217:59 amJFK - ONT
1 stop28h 05mFrontier
Deal found 10/30$158

Find flights from Ontario to North America within your budget

Customize your flight search to find flights from Ontario to North America that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Wed 12/18

2:33 pm-3:45 pm

Nonstop1h 12m

$32

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Thu 12/12

6:00 am-8:53 am

Nonstop2h 53m

$59

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Fri 2/28

7:36 am-9:02 am

Nonstop1h 26m

$32

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Wed 11/20

5:25 pm-8:27 pm

Nonstop3h 02m

$69

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Wed 11/6

9:26 am-12:12 am

1 stop12h 46m

$77

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 2/4

6:05 am-11:07 am

Nonstop3h 02m

$80

OntarioHouston

ONT - HOU

ONTHOU

Ontario

Wed 12/4

8:35 am-1:35 pm

Nonstop3h 00m

$89

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Tue 11/19

5:45 am-10:47 am

Nonstop3h 02m

$44

OntarioSeattle

ONT - SEA

ONTSEA

Ontario

Mon 11/25

6:00 am-11:53 am

1 stop5h 53m

$98

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 1/27

9:35 am-1:50 pm

Nonstop6h 15m

$111

Flights are sorted by cheapest first

Deals found on 10/31

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to North America

Have a flexible travel schedule? Discover the best time to fly to North America from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to North America

Get recent, data-driven insights about flights from Ontario to North America including ideal travel times, pricing trends, and more.

What is the cheapest month 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 $240). Flying from Ontario to North America in July is currently the most expensive (average of $322). 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.

What is the cheapest time of day to fly from ONT to NA?

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 October 31, 2024.

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.

Rainfall in North America by month

Plan your trip to North America by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in North America ranges from 2.8 - 4.5 inches per month. July is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit North America when rainfall is around 2.8 in.

Temperature in North America by month

Plan your trip to North America by taking into account the average temperature totals by month.

If weather is an important factor for your trip to North America, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing North America

Get insights into the airlines that provide service to North America. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to North America. Reviews last updated October 31, 2024.
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.1
Very good
5,116 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
9,420 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

8.0
Very good
8,835 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.9
Good
2,303 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

7.4
Good
9,240 reviews
8.1
Very good
5,116 reviews

Boarding

8.3

Food

7.2

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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?

    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 $36, but on average you can expect to pay $145.

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

    Cheapflights has at least 13 direct flights from Ontario to North America under $100. A good price for a nonstop flight from Ontario to North America is less than $158.

  • 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 cheapest airlines to fly from Ontario to North America one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $29. However, be on the lookout for offers from Alaska Airlines and American Airlines, as they are both options that can get you from Ontario to North America for a low price.

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

  • 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: Miami Airport (MIA), San Francisco Airport (SFO), Boston Logan Intl Airport (BOS), New York John F Kennedy Intl Airport (JFK), Las Vegas Harry Reid Intl Airport (LAS).

  • 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 10/31.

  • What is the cheapest month 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 $240). Flying from Ontario to North America in July is currently the most expensive (average of $322). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of 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.

Top 10 airlines flying from Ontario to North America

Discover the top 10 airlines that operate flights from Ontario to North America. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$36Average$171FlexibilityNo cancel feeOn-time65%
FrontierCheapest$38Average$181FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$38Average$237FlexibilityNo cancel feeOn-time75%
DeltaCheapest$55Average$333FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$78Average$147FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$78Average$351FlexibilityNo cancel feeOn-time62%
Ravn AlaskaCheapest$86Average$138FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$135Average$480FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$352FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$197Average$457FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.