Question 1

What is the cheapest flight from Los Angeles to Ontario?

Accepted Answer

In the last 3 days, the lowest price for a flight from Los Angeles to Ontario was $65 for a one-way ticket and $129 for a round-trip. <a href='/flight-routes/Los-Angeles-LAX/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Los Angeles and Ontario?

Accepted Answer

Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane. <a href='/flight-routes/Los-Angeles-LAX/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from Los Angeles to Ontario?

Accepted Answer

When flying out of Los Angeles you will be using Los Angeles. You will be landing at Ontario, also known as Ontario. <a href='/flight-routes/Los-Angeles-LAX/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Los Angeles to Ontario?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

How does KAYAK find such low prices on flights from Los Angeles to Ontario?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Los Angeles to Ontario. <a href='/flight-routes/Los-Angeles-LAX/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Los Angeles to Ontario?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Los Angeles is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Los-Angeles-LAX/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from Los Angeles to Ontario?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Los Angeles with another airline. Booking your flights between Los Angeles and ONT can sometimes prove cheaper using this method. <a href='/flight-routes/Los-Angeles-LAX/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Los Angeles to Ontario?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Los Angeles up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Los-Angeles-LAX/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 9

What is the cheapest layover airport when flying from Los Angeles to Ontario?

Accepted Answer

Flights via Las Vegas (LAS) offer the most affordable fares, with an average round-trip price of $230.

Question 10

What is the most popular layover airport when flying from Los Angeles to Ontario?

Accepted Answer

Las Vegas (LAS) is the top choice – 60% of KAYAK users who clicked on 1-stop flights from Los Angeles to Ontario picked an itinerary connecting there.

Question 11

Which layover airport has the quickest connection when flying from Los Angeles to Ontario?

Accepted Answer

If you prefer a quick connection, Portland (PDX) often has the shortest layovers from Los Angeles to Ontario, with an average of 1h 15m.

Question 12

Which layover airport offers the shortest total travel time from Los Angeles to Ontario?

Accepted Answer

Consider flying via Portland (PDX) for the shortest journey. The average one-way travel time for flights connecting there is 5h 55m.

Question 13

How often are flights from Los Angeles to Ontario delayed?

Accepted Answer

Weekly flights between Los Angeles and Ontario historically see delays in approximately 18% of cases, with the average delay over the past year being 53 minutes.

Question 14

Which airline has the best punctuality record on Los Angeles to Ontario flights?

Accepted Answer

Based on our data, Southwest have experienced the fewest delays on this route in the past 12 months, with only about 25% of their flights encountering any delays.

Question 15

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Friday has typically experienced more delays than other days.

Question 16

What is the most punctual flight time for Los Angeles to Ontario flights?

Accepted Answer

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the morning have historically encountered delays more often.

Question 17

What are the most popular airlines flying to Ontario?

Accepted Answer

The most popular airline among KAYAK users flying to Ontario is Alaska Airlines, followed by Spirit Airlines.

LAX - ONT

$65 Find Cheap Flights from Los Angeles to Ontario

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

Everything you should know

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

Recent round-trip flight deals from Los Angeles to Ontario

Recent one-way flight deals from Los Angeles to Ontario

Recent last minute flight deals from Los Angeles to Ontario

KAYAK's insights & trends for Los Angeles to Ontario flights

Get data-powered insights and trends into flights from Los Angeles to Ontario to help you find the cheapest flights, the best time to fly and much more.

How often are flights from Los Angeles to Ontario delayed?

Weekly flights between Los Angeles and Ontario historically see delays in approximately 18% of cases, with the average delay over the past year being 53 minutes.

What is the most punctual flight time for Los Angeles to Ontario flights?

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the morning have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Friday has typically experienced more delays than other days.

Which airline has the best punctuality record on Los Angeles to Ontario flights?

Based on our data, Southwest have experienced the fewest delays on this route in the past 12 months, with only about 25% of their flights encountering any delays.

What is the most popular layover airport when flying from Los Angeles to Ontario?

Las Vegas (LAS) is the top choice – 60% of KAYAK users who clicked on 1-stop flights from Los Angeles to Ontario picked an itinerary connecting there.

What is the cheapest layover airport when flying from Los Angeles to Ontario?

Flights via Las Vegas (LAS) offer the most affordable fares, with an average round-trip price of $230.

Which layover airport offers the shortest total travel time from Los Angeles to Ontario?

Consider flying via Portland (PDX) for the shortest journey. The average one-way travel time for flights connecting there is 5h 55m.

Which layover airport has the quickest connection when flying from Los Angeles to Ontario?

If you prefer a quick connection, Portland (PDX) often has the shortest layovers from Los Angeles to Ontario, with an average of 1h 15m.

Good to know

When to book flights from Los Angeles to Ontario

FAQs for booking flights from Los Angeles to Ontario

What is the cheapest flight from Los Angeles to Ontario?

In the last 3 days, the lowest price for a flight from Los Angeles to Ontario was $65 for a one-way ticket and $129 for a round-trip.

Do I need a passport to fly between Los Angeles and Ontario?

Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

Which airports will I be using when flying from Los Angeles to Ontario?

When flying out of Los Angeles you will be using Los Angeles. You will be landing at Ontario, also known as Ontario.

Which aircraft models fly most regularly from Los Angeles to Ontario?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Los Angeles to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Los Angeles to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Los Angeles to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Los Angeles is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Los Angeles to Ontario?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Los Angeles to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Los Angeles up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Los Angeles to Ontario

Information on your arrival and departure airports

Cabin class types available on flights from Los Angeles to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights to and from Los Angeles and Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Ontario

Find deals for your return flight