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$27+ 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LAX
Oct 29 — Nov 51
Tue 10/29
Tue 11/5
1 adult, Economy
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ONT - LAX
Oct 29 - Nov 5

Find cheap flights from Ontario to North America with Cheapflights

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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 24, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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.
Mon 11/2510:05 pmONT - LAS
Nonstop1h 15mFrontier
Thu 11/286:00 amLAS - ONT
Nonstop1h 08mFrontier
Deal found 10/24$46
This Frontier deal was found by Cheapflights users on 10/24. 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.
Sat 11/93:41 pmONT - SFO
Nonstop1h 27mFrontier
Sat 11/161:29 pmSFO - ONT
Nonstop1h 22mFrontier
Deal found 10/24$48
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/146:45 amONT - DEN
Nonstop2h 25mFrontier
Tue 12/1710:29 pmDEN - ONT
Nonstop2h 30mFrontier
Deal found 10/24$65
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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.
Tue 11/267:58 amONT - SEA
Nonstop2h 56mFrontier
Thu 11/287:10 pmSEA - ONT
Nonstop2h 40mFrontier
Deal found 10/23$76
This Travelocity deal was found by Cheapflights users on 10/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/229:54 amONT - SEA
Nonstop2h 56mMultiple Airlines
Mon 12/99:26 pmSEA - ONT
Nonstop2h 33mMultiple Airlines
Deal found 10/24$93
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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.
Wed 11/205:45 amONT - DFW
Nonstop3h 02mFrontier
Sat 12/77:40 pmDFW - ONT
1 stop6h 04mFrontier
Deal found 10/24$111
This Delta deal was found by Cheapflights users on 10/24. 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 10/24$117
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 11/1311:29 amONT - SEA
Nonstop2h 49mAlaska Airlines
Sat 11/165:30 pmSEA - ONT
Nonstop2h 33mAlaska Airlines
Deal found 10/23$127
This Frontier deal was found by Cheapflights users on 10/23. 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.
Wed 11/66:30 amONT - ORD
1 stop9h 00mFrontier
Thu 11/147:45 amORD - ONT
1 stop7h 54mFrontier
Deal found 10/23$128
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:00 amONT - SFO
Nonstop1h 26mUnited Airlines
Fri 12/610:35 pmSFO - ONT
Nonstop1h 23mUnited Airlines
Deal found 10/23$139
This Orbitz deal was found by Cheapflights users on 10/23. 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.
Thu 11/216:00 amONT - SFO
1 stop7h 32mMultiple Airlines
Mon 11/251:43 pmSFO - ONT
Nonstop1h 22mMultiple Airlines
Deal found 10/23$140
This CheapOair deal was found by Cheapflights users on 10/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/94:07 pmONT - LGA
1 stop16h 32mFrontier
Thu 11/1412:29 pmLGA - ONT
1 stop13h 38mFrontier
Deal found 10/23$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 2,462,889 searches. Data last updated October 24, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$46 - $196

Route

Depart

Return

Price

OntarioLas Vegas Harry Reid Intl

ONT - LAS

ONTLAS

Ontario

Mon 11/25

Nonstop1h 15m

Las Vegas Harry Reid Intl

Thu 11/28

Nonstop1h 08m

$46

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Sat 11/9

Nonstop1h 27m

San Francisco

Sat 11/16

Nonstop1h 22m

$47

OntarioDenver Intl

ONT - DEN

ONTDEN

Ontario

Sat 12/14

Nonstop2h 25m

Denver Intl

Tue 12/17

Nonstop2h 30m

$51

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Thu 11/21

Nonstop2h 56m

Seattle/Tacoma Intl

Sat 11/23

Nonstop2h 40m

$57

OntarioDallas/Fort Worth

ONT - DFW

ONTDFW

Ontario

Tue 11/12

Nonstop3h 02m

Dallas/Fort Worth

Tue 11/19

Nonstop3h 20m

$77

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Fri 11/22

Nonstop2h 56m

Seattle/Tacoma Intl

Mon 12/9

Nonstop2h 33m

$93

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Mon 1/6

Nonstop2h 54m

Seattle/Tacoma Intl

Sat 1/11

Nonstop2h 49m

$117

OntarioSeattle/Tacoma Intl

ONT - SEA

ONTSEA

Ontario

Fri 11/15

1 stop7h 15m

Seattle/Tacoma Intl

Tue 11/19

1 stop4h 43m

$136

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Tue 12/3

Nonstop1h 26m

San Francisco

Fri 12/6

Nonstop1h 23m

$139

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Thu 11/21

1 stop7h 32m

San Francisco

Mon 11/25

Nonstop1h 22m

$140

OntarioDallas/Fort Worth

ONT - DFW

ONTDFW

Ontario

Wed 12/4

Nonstop2h 59m

Dallas/Fort Worth

Tue 12/10

Nonstop3h 31m

$179

OntarioSan Francisco

ONT - SFO

ONTSFO

Ontario

Wed 11/13

1 stop3h 50m

San Francisco

Thu 11/14

1 stop5h 15m

$196

Flights are sorted by cheapest first

Deals found on 10/24

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 24, 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 24, 2024.
Southwest
8.1
Very good
5,150 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

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

Southwest
8.1
Very good
5,150 reviews
Southwest
8.1
Very good
5,150 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,410 reviews
Southwest
8.1
Very good
5,150 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

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

Delta
8.0
Very good
8,875 reviews
Southwest
8.1
Very good
5,150 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

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

Hawaiian Airlines
7.9
Good
2,302 reviews
Southwest
8.1
Very good
5,150 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

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

Avelo Airlines
7.5
Good
74 reviews
Southwest
8.1
Very good
5,150 reviews

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.3

Entertainment

7.7

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 $46, but on average you can expect to pay $126.

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

    Cheapflights has at least 16 direct flights from Ontario to North America under $100. A good price for a nonstop flight from Ontario to North America is less than $153.

  • 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 $27. However, be on the lookout for offers from Alaska Airlines and Southwest, 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?

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

  • 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 10/24.

  • 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.

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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.

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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 2,462,889 searches. Data last updated October 24, 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%
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