HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$123+ Cheap flights from LaGuardia (LGA) to Ontario (ONT)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ONT
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from LaGuardia to Ontario 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.

Cheap flight deals from LaGuardia to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

January

Round-trip from

$184
(Trip.com)

One-way from

$123
(Trip.com)
Provider with most accurate pricing for New York LaGuardia-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York LaGuardia-Ontario flights.
Search Deals
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 22% potential price drop
Search Deals
From New York LaGuardia to Ontario
Search Deals
One-way flight from New York LaGuardia to Ontario
Search Deals

Find flight deals from LaGuardia to Ontario

Cheapest flights from LaGuardia to Ontario
Explore the most affordable flight options available from LaGuardia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:00 pmLGA - ONT
1 stop12h 56mFrontier
Sat 12/76:45 amONT - LGA
2 stops11h 14mFrontier
Deal found 11/19$184
This Delta deal was found by Cheapflights users on 11/20. 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.
Fri 12/66:00 pmLGA - ONT
1 stop8h 16mDelta
Tue 12/1010:00 pmONT - LGA
1 stop7h 44mDelta
Deal found 11/20$276
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2012:57 pmLGA - ONT
1 stop10h 39mAmerican Airlines
Tue 12/1710:42 amONT - LGA
1 stop8h 28mAmerican Airlines
Deal found 11/19$302
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/71:15 pmLGA - ONT
2 stops13h 43mUnited Airlines
Wed 12/111:40 pmONT - LGA
1 stop6h 47mUnited Airlines
Deal found 11/20$377
This Southwest deal was found by Cheapflights users on 11/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/257:30 amLGA - ONT
1 stop9h 30mSouthwest
Tue 1/285:45 amONT - LGA
1 stop7h 00mSouthwest
Deal found 11/19$422

Find flights from LaGuardia to Ontario within your budget

Customize your flight search to find flights from LaGuardia to Ontario 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 12/4

10:00 pm-7:56 am

1 stop12h 56m

Ontario

Sat 12/7

6:45 am-8:59 pm

2 stops11h 14m

$184

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 2/1

6:00 am-1:51 pm

1 stop10h 51m

Ontario

Wed 2/5

10:56 am-9:04 pm

1 stop7h 08m

$214

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 1/11

2:00 pm-9:57 pm

1 stop10h 57m

Ontario

Sat 1/18

6:00 am-4:26 pm

1 stop7h 26m

$242

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Fri 12/6

6:00 pm-11:16 pm

1 stop8h 16m

Ontario

Tue 12/10

10:00 pm-8:44 am

1 stop7h 44m

$276

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Thu 1/23

2:00 pm-8:45 pm

2 stops9h 45m

Ontario

Sun 1/26

5:00 am-5:20 pm

2 stops9h 20m

$436

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Tue 12/3

10:00 pm-11:44 am

2 stops16h 44m

$123

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Wed 1/8

7:59 am-3:29 pm

2 stops10h 30m

$133

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 1/11

5:00 pm-10:52 pm

1 stop8h 52m

$138

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Mon 1/13

2:00 pm-9:57 pm

1 stop10h 57m

$157

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

Sat 12/14

5:30 am-11:44 pm

3 stops21h 14m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 12 results
1
2

Compare providers for flights from LaGuardia to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from LaGuardia to Ontario in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York LaGuardia Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New York LaGuardia Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York LaGuardia Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York LaGuardia Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from LaGuardia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from LaGuardia 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 LaGuardia to Ontario

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

What is the cheapest month to book a flight from New York LaGuardia Airport to Ontario?

Currently, September is the cheapest month in which you can book a flight from New York LaGuardia Airport to Ontario (average of $236). Flying from New York LaGuardia Airport to Ontario in December is currently the most expensive (average of $298). 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 LGA to ONT?

Find hourly flight availability from LaGuardia to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from New York LaGuardia Airport to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 32% versus a flight in the afternoon.

What is the cheapest day to fly from New York LaGuardia Airport to Ontario?

Use this chart to determine the cheapest time to fly round-trip from LaGuardia to Ontario. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their New York LaGuardia Airport to Ontario flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated November 20, 2024.
Read through reviews of airlines operating flights from New York to Ontario, such as American Airlines, Frontier and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Food

7.2

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Ontario. 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 into for flights to Ontario from New York LaGuardia?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from New York LaGuardia. Booking flights from New York LaGuardia to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from New York LaGuardia from 4 different airlines.

  • What are the cheapest airlines flying from New York LaGuardia Airport to Ontario round-trip?

    Frontier, at $184, was found to be the cheapest airline from New York LaGuardia Airport to Ontario.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Frontier is currently priced 43% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from New York LaGuardia Airport to Ontario one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $123. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from New York LaGuardia Airport to Ontario for a low price.

  • Can I find deals for flights from LaGuardia to Ontario that include hotel bookings?

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

  • How can I find direct flights from LaGuardia to Ontario?

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

  • Can I find deals for business class flights from LaGuardia to Ontario?

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

  • What is the cheapest month to book a flight from New York LaGuardia Airport to Ontario?

    Currently, September is the cheapest month in which you can book a flight from New York LaGuardia Airport to Ontario (average of $236). Flying from New York LaGuardia Airport to Ontario in December is currently the most expensive (average of $298). 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 LaGuardia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to San Francisco flights
LaGuardia to Los Angeles flights
Newark to Las Vegas flights
Newark to San Francisco flights
LaGuardia to Las Vegas flights
Newark to Santa Ana flights
LaGuardia to San Francisco flights
John F Kennedy Intl to San Diego flights
Newark to San Diego flights
Newark to Burbank flights
LaGuardia to Burbank flights
LaGuardia to Santa Ana flights
Newark to Ontario flights
Newark to Oakland flights
John F Kennedy Intl to Ontario flights
Newark to San Jose flights
LaGuardia to Oakland flights
LaGuardia to San Diego flights
John F Kennedy Intl to Santa Ana flights
John F Kennedy Intl to San Jose flights
Newark to Sacramento flights
Newark to Palm Springs flights
John F Kennedy Intl to Palm Springs flights
LaGuardia to Palm Springs flights
LaGuardia to San Jose flights
John F Kennedy Intl to Sacramento flights
John F Kennedy Intl to Oakland flights
John F Kennedy Intl to Reno flights
Newark to Reno flights
John F Kennedy Intl to Burbank flights
LaGuardia to Sacramento flights
LaGuardia to Reno flights
John F Kennedy Intl to Fresno flights
John F Kennedy Intl to Santa Barbara flights
Stewart to Las Vegas flights
Newark to Santa Barbara flights
John F Kennedy Intl to Long Beach flights
Newark to Fresno flights
Stewart to Los Angeles flights
LaGuardia to Fresno flights
LaGuardia to Santa Barbara flights
Newark to Long Beach flights
John F Kennedy Intl to Medford flights
Newark to Monterey flights
Newark to Medford flights
LaGuardia to Monterey flights

Top 4 airlines flying from LaGuardia to Ontario

Discover the top 4 airlines that operate flights from LaGuardia to Ontario. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$158Average$255FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$227Average$588FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$349FlexibilityNo cancel feeOn-time71%
DeltaCheapest$255Average$303FlexibilityNo cancel feeOn-timeN/A
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.
View all available airlines