Which airports can I use when flying from Ontario to Los Angeles?

Flights from Ontario to Los Angeles usually depart from Ontario (ONT) and arrive at Los Angeles (LAX).

What cabin classes can I book on flights from Ontario to Los Angeles?

Only Economy Class is available on flights from Ontario to Los Angeles.

Which airports do connecting flights from Ontario to Los Angeles pass through?

One-stop flights from Ontario to Los Angeles most commonly connect through: • Las Vegas Harry Reid Intl (LAS) - 64% of one-stop connections • Taipei City Taiwan Taoyuan Intl (TPE) - 18% of one-stop connections • Dallas/Fort Worth (DFW) - 9% of one-stop connections • San Francisco (SFO) - 9% of one-stop connections Las Vegas Harry Reid Intl (LAS) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Ontario to Los Angeles?

On the Ontario to Los Angeles route, being flexible with your departure day can save you up to 67%. Saturday is the cheapest day at $199 round-trip on average, while Friday is the most expensive at $597: a $398 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

What popular places can I visit in Los Angeles?

Some of the most popular sights in Los Angeles are Venice Beach, Los Angeles Convention Center and Crypto.com Arena. These are among the most viewed places in Los Angeles on KAYAK.

How long is a flight from Ontario to Los Angeles?

There are currently no nonstop flights available from Ontario to Los Angeles. Flights with 1 layover take between 7h 28m and 18h 50m in total, depending on the connection.

Do I need a passport to fly from Ontario to Los Angeles?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

How are flight prices from Ontario to Los Angeles looking right now?

One-way fares from Ontario to Los Angeles are currently higher than usual. Average one-way flight prices are about $131, which is 50% above the typical average for this route.

How much time can I save by choosing a different layover airport from Ontario to Los Angeles?

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 7h 28m, compared with 10h 56m via Las Vegas Harry Reid Intl (LAS) and 17h 37m via Taipei City Taiwan Taoyuan Intl (TPE).

What car rental options are available at Los Angeles Airport (LAX)?

Los Angeles Airport (LAX) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include: · Ace · Thrifty · Dollar · Hertz · Alamo

How much should I expect to pay for a Ontario to Los Angeles flight?

Round-trip flights from Ontario to Los Angeles range from $228 to $493, with an average of $272 over the past 12 months. Anything below $228 counts as a good deal.

What is the cheapest airline to fly from Ontario to Los Angeles?

Frontier ($105) offered the cheapest round-trip ticket from Ontario to Los Angeles in the last 5 days.

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

Las Vegas Harry Reid Intl (LAS) is the most popular layover for the Ontario to Los Angeles route. 64% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via LAS.

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

Flights via San Francisco (SFO) offer the most affordable fares, with an average round-trip price of $272. Based on KAYAK data over the past 3 months.

When flying from Ontario to Los Angeles which airport offers the shortest layover?

Dallas/Fort Worth (DFW) had the shortest average connection time for Ontario to Los Angeles layovers at 264 minutes over the past 3 months.

$87 CHEAP FLIGHTS from Ontario to Los Angeles (ONT - LAX)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$105

Typical prices: $228-$493

Frontier

Mon 10/22Fri 10/26

ONT - LAX • 1 stop

Cheapest one-way

$87

Typical prices: $65-$198

Frontier

Sat 11/17

ONT - LAX • 2 stops

When to travel

December

Cheapest • 7% price drop

June

Most popular

Good to know

Top layover airports

San Francisco (SFO)

Cheapest • Avg $272 (round-trip)

Dallas/Fort Worth (DFW)

Shortest trip • 7h 28m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Los Angeles!

Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Los Angeles

Thu, Oct 22 - Mon, Oct 26

12:01 pm - 10:24 pmONT Ontario-LAX Los Angeles

10h 23m1 stop San Francisco

8:44 am - 7:40 pmLAX Los Angeles-ONT Ontario

10h 56m1 stop San Francisco

$105Frontier

Thu, Sep 17 - Mon, Sep 21

12:07 pm - 10:22 pmONT Ontario-LAX Los Angeles

10h 15m1 stop San Francisco

8:44 am - 7:36 pmLAX Los Angeles-ONT Ontario

10h 52m1 stop San Francisco

$124Frontier

Thu, Sep 17 - Mon, Sep 21

12:07 pm - 10:22 pmONT Ontario-LAX Los Angeles

10h 15m1 stop San Francisco

11:36 am - 10:30 amLAX Los Angeles-ONT Ontario

22h 54m1 stop Denver Intl

$125Frontier

Tue, Sep 22 - Wed, Oct 21

11:45 am - 12:10 amONT Ontario-LAX Los Angeles

12h 25m1 stop Denver Intl

7:03 pm - 7:40 pmLAX Los Angeles-ONT Ontario

24h 37m1 stop San Francisco

$127Frontier

Thu, Sep 17 - Mon, Sep 21

12:07 pm - 10:22 pmONT Ontario-LAX Los Angeles

10h 15m1 stop San Francisco

7:44 pm - 4:59 pmLAX Los Angeles-ONT Ontario

21h 15m2 stops San Francisco Las Vegas Harry Reid Intl

$138Frontier

Thu, Sep 17 - Mon, Sep 21

12:07 pm - 10:22 pmONT Ontario-LAX Los Angeles

10h 15m1 stop San Francisco

7:44 pm - 4:59 pmLAX Los Angeles-ONT Ontario

21h 15m2 stops San Francisco Las Vegas Harry Reid Intl

$139Frontier

Tue, Sep 22 - Tue, Sep 29

6:15 am - 2:39 pmONT Ontario-LAX Los Angeles

8h 24m1 stop Denver Intl

6:05 am - 10:30 amLAX Los Angeles-ONT Ontario

28h 25m1 stop Denver Intl

$140Frontier

Mon, Sep 21 - Wed, Oct 21

8:00 am - 10:22 pmONT Ontario-LAX Los Angeles

14h 22m2 stops Las Vegas Harry Reid Intl San Jose

7:03 pm - 7:40 pmLAX Los Angeles-ONT Ontario

24h 37m1 stop San Francisco

$141Frontier

Mon, Sep 21 - Wed, Oct 21

6:15 am - 12:10 amONT Ontario-LAX Los Angeles

17h 55m1 stop Denver Intl

7:03 pm - 7:40 pmLAX Los Angeles-ONT Ontario

24h 37m1 stop San Francisco

$142Frontier

Fri, Oct 23 - Mon, Oct 26

12:01 pm - 10:37 pmONT Ontario-LAX Los Angeles

10h 36m1 stop San Francisco

8:44 am - 7:40 pmLAX Los Angeles-ONT Ontario

10h 56m1 stop San Francisco

$143Frontier

Booking Insights

Price, demand and travel trends for Ontario to Los Angeles flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Ontario to Los Angeles with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Los Angeles?

Round-trip flights from Ontario to Los Angeles start at $105. Prices are below average for this route right now, with typical round-trip fares ranging from $228 to $493. The lowest price found in the past 5 days was $105 on Frontier.

What's the cheapest day of the week to fly from Ontario to Los Angeles?

Saturday is the cheapest day of the week to fly from Ontario to Los Angeles, it is 27% cheaper than the average day. Friday is the most expensive day with flight prices 119% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	February
High season	June
Cheapest flight	$87

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 14% increase in price.

Flight from Ontario to Los Angeles

When to book flights from Ontario to Los Angeles

Are your dates flexible? Find out the best times to travel from Ontario to Los Angeles based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from Ontario to Los Angeles?
Flights from Ontario to Los Angeles usually depart from Ontario (ONT) and arrive at Los Angeles (LAX).
What cabin classes can I book on flights from Ontario to Los Angeles?
Only Economy Class is available on flights from Ontario to Los Angeles.
Which airports do connecting flights from Ontario to Los Angeles pass through?
One-stop flights from Ontario to Los Angeles most commonly connect through:

• Las Vegas Harry Reid Intl (LAS) - 64% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) - 18% of one-stop connections
• Dallas/Fort Worth (DFW) - 9% of one-stop connections
• San Francisco (SFO) - 9% of one-stop connections

Las Vegas Harry Reid Intl (LAS) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Ontario to Los Angeles?
On the Ontario to Los Angeles route, being flexible with your departure day can save you up to 67%. Saturday is the cheapest day at $199 round-trip on average, while Friday is the most expensive at $597: a $398 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
What popular places can I visit in Los Angeles?
Some of the most popular sights in Los Angeles are Venice Beach, Los Angeles Convention Center and Crypto.com Arena. These are among the most viewed places in Los Angeles on KAYAK.
How long is a flight from Ontario to Los Angeles?
There are currently no nonstop flights available from Ontario to Los Angeles. Flights with 1 layover take between 7h 28m and 18h 50m in total, depending on the connection.
Do I need a passport to fly from Ontario to Los Angeles?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
How are flight prices from Ontario to Los Angeles looking right now?
One-way fares from Ontario to Los Angeles are currently higher than usual. Average one-way flight prices are about $131, which is 50% above the typical average for this route.
How much time can I save by choosing a different layover airport from Ontario to Los Angeles?
Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 7h 28m, compared with 10h 56m via Las Vegas Harry Reid Intl (LAS) and 17h 37m via Taipei City Taiwan Taoyuan Intl (TPE).
What car rental options are available at Los Angeles Airport (LAX)?
Los Angeles Airport (LAX) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
· Ace
· Thrifty
· Dollar
· Hertz
· Alamo
How much should I expect to pay for a Ontario to Los Angeles flight?
Round-trip flights from Ontario to Los Angeles range from $228 to $493, with an average of $272 over the past 12 months. Anything below $228 counts as a good deal.

If your dates can be flexible, aim for a Saturday departure instead of Friday. On this route, Saturday flights average $199 - about $398 less than Friday (67% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Los Angeles trip for December. Fares historically average $254 round-trip in that month - typically $373 less than the most expensive month, which is April (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Los Angeles Airport.
- Hyatt Regency Los Angeles International Airport
- Sonesta Los Angeles Airport LAX
- Sheraton Gateway Los Angeles Hotel

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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

Ontario (ONT)

Los Angeles (LAX)

ONT - LAX

$87 Find Cheap Flights from Ontario to Los Angeles - Compare and Save

Everything you should know

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

Recent round-trip flight deals from Ontario to Los Angeles

Recent one-way flight deals from Ontario to Los Angeles

Recent last minute flight deals from Ontario to Los Angeles

Price, demand and travel trends for Ontario to Los Angeles flights

How much is a round-trip flight from Ontario to Los Angeles?

What's the cheapest day of the week to fly from Ontario to Los Angeles?

What is the cheapest airline to fly from Ontario to Los Angeles?

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

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

When flying from Ontario to Los Angeles which airport offers the shortest layover?

Key details for Ontario to Los Angeles flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Los Angeles

Your Ontario to Los Angeles flight questions, answered

Your guide to booking Ontario to Los Angeles flights

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

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Los Angeles

Complete your trip to Los Angeles with a hotel stay or car rental

Find direct flights to and from Ontario and Los Angeles

Flights to other popular destinations

Flights from domestic origins to Los Angeles

Choose which airport to fly into in Los Angeles

Find deals for your return flight