Cheap flights from LaGuardia to Ontario (LGA - ONT)

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How to find the cheapest flight from
LaGuardia (LGA) to Ontario (ONT)

All the information you need to plan the best LGA to ONT flight in 2021: compare LaGuardia to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
LGA - ONT
Price
$244 - $539

Popular in

December

High demand for flights, 45% potential price rise

Cheapest in

January

Best time to find cheap flights, 18% potential price drop

Round-trip from

$244

From New York LaGuardia to Ontario

One-way from

$100

One-way flight from New York LaGuardia to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from New York LaGuardia Airport to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 33 days in advance, which can save you up to 72% on flights from New York LaGuardia Airport to Ontario compared to booking the week you need them. Waiting 33 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $375. For sooner than that we have options available in the next 3 days from $533.

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

Flights from New York LaGuardia Airport to Ontario lean towards being more expensive in December. Prices are generally better when you fly from New York LaGuardia Airport to Ontario in August, with the cheapest ticket starting at $107.

When is the cheapest time to fly from New York LaGuardia Airport to Ontario (LGA - ONT)?

When flying from New York LaGuardia Airport to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from LaGuardia to Ontario in September, October 2021

The best prices found for LGA to ONT flights for September, October
2 Oct - 23 Oct
$128pp
LGA
New York LaGuardia
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
LGA
New York LaGuardia
2 Oct - 11 Dec
$133pp
LGA
New York LaGuardia
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
LGA
New York LaGuardia
29 Sep - 3 Oct
$148pp
LGA
New York LaGuardia
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LGA
New York LaGuardia

New York LaGuardia to Ontario 2021 flight deals

Cheap flights to Ontario from LaGuardia found for this year
2 Oct - 23 Oct
$128pp
LGA
New York LaGuardia
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
LGA
New York LaGuardia
2 Oct - 11 Dec
$133pp
LGA
New York LaGuardia
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
LGA
New York LaGuardia
29 Sep - 3 Oct
$148pp
LGA
New York LaGuardia
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LGA
New York LaGuardia

Last minute flights from LaGuardia to Ontario

Late deals on round-trip flights to Ontario from LaGuardia, departing today and this week
25 Sep - 26 Sep
$173pp
LGA
New York LaGuardia
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
LGA
New York LaGuardia
25 Sep - 26 Sep
$177pp
LGA
New York LaGuardia
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LGA
New York LaGuardia
25 Sep - 3 Oct
$187pp
LGA
New York LaGuardia
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
LGA
New York LaGuardia

One-way flights to Ontario from New York LaGuardia

The cheapest one-way flights from LaGuardia to Ontario
7:09 am - 7:19 pm
Multiple Airlines
2 Stops
15h 10m
LGA - ONT
Multiple Airlines
$100
Kiwi.com
2:05 am - 8:22 am
Delta
2 Stops
9h 17m
LGA - ONT
Delta
$110
Delta
1:47 pm - 5:08 am
Frontier
2 Stops
18h 21m
LGA - ONT
Frontier
$111
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">LaGuardia</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From LaGuardia to Ontario

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 5 different airlines.

Which airlines flying from New York LaGuardia to Ontario have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Frontier flying from New York LaGuardia to Ontario have implemented new flexible cancellation policies.

Are flight prices decreasing from New York LaGuardia Airport to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both New York LaGuardia Airport and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from New York LaGuardia Airport to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from New York LaGuardia Airport to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $128, but on average you can expect to pay $159.

Are there last-minute flights available from New York LaGuardia Airport to Ontario for under $200?

There are currently 20+ open flights from New York LaGuardia Airport to Ontario within the next 7 days for less than $200.

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

Cheapflights users have booked flights from New York LaGuardia Airport to Ontario round-trip from $128. Other airlines that can offer you cheap pricing are Major Airline, from $161, and American Airlines, from $168. You may be able to fly from New York LaGuardia Airport to Ontario for 57% less than the average price by searching for these airlines.

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 $69. 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.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from LaGuardia?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from New York LaGuardia need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from New York LaGuardia must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from New York LaGuardia are not required to quarantine after entering Ontario.

Do I need a test to fly back to LaGuardia from Ontario?

Returning to New York LaGuardia from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to New York LaGuardia.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering New York LaGuardia.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for LaGuardia to Ontario

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

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from LaGuardia to Ontario.

Airports servicing New York

Airports servicing Ontario

Top 4 airlines flying from New York LaGuardia to Ontario

The chart below displays the airlines Cheapflights users traveling from LaGuardia to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$100 $280 No cancel fee 62%
Delta
$132 $289 No cancel fee N/A
United Airlines
$124 $358 No cancel fee 69%
American Airlines
$147 $413 No cancel fee 71%
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