Find Cheap Flights from Ontario to Los Angeles (LAX - LAX)

Flights overview

Useful information for finding cheap flights from Ontario to Los Angeles and booking your next trip

Cheapest round-trip flights	$223	Alaska 1 stop 6 hr Thu, Apr 16 — Mon, Apr 20	The cheapest round-trip flight from Ontario to Los Angeles is currently $223
Cheapest one-way flight	$107	American 1 stop 10 hr Wed, Apr 29	The cheapest one-way flight from Ontario to Los Angeles is currently $107
Last-minute weekend getaway	$487	United 2 stops 13 hr Fri, Feb 6 — Mon, Feb 9	The cheapest last-minute weekend getaway from Ontario to Los Angeles is currently $487
Cheapest business class flights	$533	Alaska 1 stop 6 hr Thu, Apr 16 — Mon, Apr 20	The cheapest business class round-trip flight from Ontario to Los Angeles is currently $533

Fastest flight	3 hr	The fastest flight with stops from Ontario to Los Angeles takes 3 hr
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Ontario to Los Angeles is typically September. The most expensive month to fly is typically February.

September Cheapest	Typical prices: $145–265
February Most expensive	Typical prices: $270–405

Popular airlines from Ontario to Los Angeles

Southwest

from $309

Typical price: $245–560

1096 weekly connecting flights

ONT - LAX Every day
United

from $288

Typical price: $275–465

268 weekly connecting flights

ONT - LAX Every day
American

from $294

Typical price: $285–620

259 weekly connecting flights

ONT - LAX Every day
Alaska

from $223

Typical price: $350–760

114 weekly connecting flights

ONT - LAX Every day
Frontier

Typical price: $145–250

23 weekly connecting flights

ONT - LAX Every day

Popular airports near Ontario

Ontario International Airport (ONT)

Ontario United States 11 min 2 mi
Los Angeles International Airport (LAX)

Los Angeles United States 1 hr 7 min 44 mi
Tijuana International Airport (TIJ)

Tijuana Mexico 2 hr 17 min 112 mi
San Diego International Airport (SAN)

San Diego United States 1 hr 51 min 95 mi

Popular airports near Los Angeles

Los Angeles International Airport (LAX)

Los Angeles United States 31 min 12 mi
Hollywood Burbank Airport (BUR)

Burbank United States 26 min 12 mi
Tijuana International Airport (TIJ)

Tijuana Mexico 2 hr 26 min 127 mi
Ontario International Airport (ONT)

Ontario United States 45 min 37 mi

Frequently asked questions about flying from Ontario to Los Angeles

The cheapest flights from Ontario to Los Angeles are usually in September. Typical ticket prices in September range from $145 to $265.

The cheapest round-trip flight from Ontario to Los Angeles recently found on Google Flights was with Alaska from $223. The cheapest one-way flight was with American from $107.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Ontario to Los Angeles is $309, flying from Feb 26 to Mar 2.
The cheapest United flight from Ontario to Los Angeles is $288, flying from Apr 4 to Apr 6.
The cheapest American flight from Ontario to Los Angeles is $294, flying from Apr 23 to Apr 27.
The cheapest Alaska flight from Ontario to Los Angeles is $223, flying from Apr 16 to Apr 20.

The cheapest round-trip flight from Ontario to Los Angeles starts at $223 from Thu, Apr 16 to Mon, Apr 20. The cheapest one-way flight starts at $107 and departs on Wed, Apr 29.

3 hr is the shortest flight time from Ontario to Los Angeles.

Los Angeles is a year-round destination. The weather's mostly warm and mild, with hotter temperatures Jul–Oct. Arts and cultural events happen regularly, including film festivals such as LA Film Fest (Jun) and AFI Fest (Nov). In summer, there are free outdoor concerts and film screenings at venues across the city. Other major annual events include the Academy Awards (Feb/Mar) and the LA Marathon (Feb/Mar).

It's easy to use Google Flights to find the cheapest days to fly from Ontario to Los Angeles.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Ontario to Los Angeles really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Ontario to Los Angeles.

In terms of flights, Southwest is the most popular. Southwest offers 1,096 connecting flights per week. Southwest flies from Ontario International Airport (ONT) to Los Angeles International Airport (LAX) .

Other popular airlines flying from Ontario to Los Angeles are:

United offers 268 connecting flights per week. United flies from Ontario International Airport (ONT) to Los Angeles International Airport (LAX) .
American offers 259 connecting flights per week. American flies from Ontario International Airport (ONT) to Los Angeles International Airport (LAX) .
Alaska offers 114 connecting flights per week. Alaska flies from Ontario International Airport (ONT) to Los Angeles International Airport (LAX) .
Frontier offers 23 connecting flights per week. Frontier flies from Ontario International Airport (ONT) to Los Angeles International Airport (LAX) .

The number of connecting flights refers to distinct flights with at least one stop between Ontario and Los Angeles.

The cheapest round-trip flight from Ontario to Los Angeles recently found on Google Flights was with Alaska from $223. The cheapest one-way flight was with American from $107.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Ontario to Los Angeles is $309, flying from Feb 26 to Mar 2.
The cheapest United flight from Ontario to Los Angeles is $288, flying from Apr 4 to Apr 6.
The cheapest American flight from Ontario to Los Angeles is $294, flying from Apr 23 to Apr 27.
The cheapest Alaska flight from Ontario to Los Angeles is $223, flying from Apr 16 to Apr 20.

No airline flies direct from Ontario to Los Angeles.

There are 1096 Southwest connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 268 United connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 259 American connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 114 Alaska connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 23 Frontier connecting flights from Ontario to Los Angeles per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Ontario and Los Angeles at price $487 is offered by United from Fri, Feb 6 to Mon, Feb 9.

No airline flies direct from Ontario to Los Angeles.

There are 1096 Southwest connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 268 United connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 259 American connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 114 Alaska connecting flights from Ontario to Los Angeles per week. Flights are available every day.
There are 23 Frontier connecting flights from Ontario to Los Angeles per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Ontario to Los Angeles.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Ontario to Los Angeles, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Ontario and Los Angeles start at $533 from Thu, Apr 16 to Mon, Apr 20 with Alaska.

The cheapest economy class round-trip flights between Ontario and Los Angeles start at $223 from Thu, Apr 16 to Mon, Apr 20.

To book business class trips from Ontario to Los Angeles, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Ontario and Los Angeles starts at $487 from Fri, Feb 6 to Mon, Feb 9 with United.

The cheapest last-minute deal between Ontario and Los Angeles at price $487 is offered by United from Fri, Feb 6 to Mon, Feb 9.

To find last-minute flight deals from Ontario to Los Angeles, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.