HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cabo San Lucas

$38+ Cheap flights from Ontario (ONT) to Cabo San Lucas, Mexico

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SJD
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Cabo San Lucas 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.
Cheapflights Tip: The best prices from Ontario to Cabo San Lucas are usually found in February or May, booked 45 days in advance, depart on a Saturday or Wednesday and return on a Monday

Cheap flight deals from Ontario to Cabo San Lucas

Cheapest flights from Ontario to Cabo San Lucas
Explore the most affordable flight options available from Ontario to Cabo San Lucas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 1, 2026.

This Mytrip deal was found by Cheapflights users on 2/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Tue 3/35:06 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/25$182
This Mytrip deal was found by Cheapflights users on 2/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Thu 3/55:06 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/25$183
This CheapOair deal was found by Cheapflights users on 2/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1312:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Wed 3/184:06 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/25$185
This Gotogate deal was found by Cheapflights users on 2/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1412:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Sat 3/214:06 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/27$190
This Gotogate deal was found by Cheapflights users on 2/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Mon 3/304:02 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/26$191
This Trip.com deal was found by Cheapflights users on 2/28. 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.
Mon 3/912:50 pm
ONT
-
SJD
Nonstop2h 22m
Multiple Airlines
Sat 3/142:14 pm
SJD
-
ONT
1 stop9h 45m
Multiple Airlines
Deal found 2/28$196
This Trip.com deal was found by Cheapflights users on 3/1. 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 3/412:50 pm
ONT
-
SJD
Nonstop2h 22m
Multiple Airlines
Sat 3/73:14 pm
SJD
-
ONT
1 stop9h 45m
Multiple Airlines
Deal found 3/1$202
This CheapOair deal was found by Cheapflights users on 3/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Fri 3/612:11 pm
SJD
-
ONT
1 stop9h 00m
Volaris
Deal found 3/1$219
This CheapOair deal was found by Cheapflights users on 2/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:40 pm
ONT
-
SJD
Nonstop2h 24m
Volaris
Tue 4/1412:11 pm
SJD
-
ONT
1 stop10h 54m
Volaris
Deal found 2/26$220
This CheapOair deal was found by Cheapflights users on 2/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2812:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Fri 3/2012:11 pm
SJD
-
ONT
1 stop8h 00m
Volaris
Deal found 2/26$223
This CheapOair deal was found by Cheapflights users on 2/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2112:27 am
ONT
-
SJD
1 stop11h 03m
Volaris
Fri 3/274:06 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/28$224
This CheapOair deal was found by Cheapflights users on 2/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2512:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Wed 4/18:30 am
SJD
-
ONT
1 stop10h 53m
Volaris
Deal found 2/26$234

Find flight deals from Ontario to Cabo San Lucas

Keep the following information in mind while searching for Ontario to Cabo San Lucas flight deals. Data was last updated March 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$182
(Mytrip)

One-way from

$38
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$228
Provider with most accurate pricing for Los Angeles-San José del Cabo Los Cabos flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-San José del Cabo Los Cabos flights.
Search Deals
From Ontario to Cabo San Lucas
Search Deals
One-way flight from Ontario to Cabo San Lucas
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Cabo San Lucas 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 2,558,603 searches. Data last updated March 1, 2026.
Use the filters below to find and compare flights from Ontario to Cabo San Lucas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Tue 3/31

6:00 am-1:55 pm

1 stop7h 55m

San José del Cabo Los Cabos

Wed 4/1

3:00 pm-11:51 pm

1 stop8h 51m

$414

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Wed 4/1

5:10 am-1:43 pm

1 stop8h 33m

San José del Cabo Los Cabos

Wed 4/8

11:52 am-10:26 pm

1 stop10h 34m

$422

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Wed 3/25

11:59 pm-10:08 am

1 stop10h 09m

San José del Cabo Los Cabos

Fri 3/27

1:11 pm-10:36 pm

1 stop9h 25m

$462

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Sat 4/25

5:10 am-12:48 pm

2 stops31h 38m

San José del Cabo Los Cabos

Fri 5/1

1:44 pm-12:38 pm

2 stops22h 54m

$472

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Tue 3/24

5:15 am-9:05 am

2 stops27h 50m

San José del Cabo Los Cabos

Sat 3/28

1:11 pm-10:36 pm

1 stop9h 25m

$472

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Fri 4/3

1:43 pm-10:30 am

2 stops20h 47m

San José del Cabo Los Cabos

Mon 4/6

11:32 am-6:02 pm

3 stops30h 30m

$528

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Tue 3/31

5:10 am-1:43 pm

1 stop8h 33m

San José del Cabo Los Cabos

Sun 4/5

11:32 am-8:36 pm

2 stops33h 04m

$537

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Thu 4/2

5:10 am-10:30 am

2 stops29h 20m

San José del Cabo Los Cabos

Tue 4/7

1:44 pm-5:47 pm

3 stops28h 03m

$560

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Mon 5/11

1:30 pm-12:48 pm

2 stops23h 18m

$189

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Mon 5/4

1:30 pm-12:48 pm

2 stops23h 18m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Ontario to Cabo San Lucas

Have a flexible travel schedule? Discover the best time to fly to Cabo San Lucas from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Cabo San Lucas

How far ahead should I book a flight from Ontario to Cabo San Lucas?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Cabo San Lucas. Price data was last updated on February 20, 2026.

To ensure you get the cheapest price possible for a flight from Ontario to Cabo San Lucas, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to Cabo San Lucas?

Currently, August is the cheapest month in which you can book a flight from Ontario to Cabo San Lucas (average of $77). Flying from Ontario to Cabo San Lucas in June is currently the most expensive (average of $200). 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 ONT to C4B?

Find hourly flight availability from Ontario to Cabo San Lucas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 1, 2026.

When flying from Ontario to Cabo San Lucas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Ontario to Cabo San Lucas?

Reviews of airlines servicing Cabo San Lucas

Get insights into the airlines that provide service to Cabo San Lucas. 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 Cabo San Lucas. Reviews last updated March 1, 2026.
Read through reviews of airlines operating flights from Ontario to Cabo San Lucas, such as Alaska Airlines, Southwest, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,971 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,971 reviews
Alaska Airlines
8.0
Very good
11,971 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,303 reviews
Alaska Airlines
8.0
Very good
11,971 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,366 reviews
Alaska Airlines
8.0
Very good
11,971 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,370 reviews
Alaska Airlines
8.0
Very good
11,971 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Volaris
6.6
Okay
1,171 reviews
Alaska Airlines
8.0
Very good
11,971 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Ontario to Cabo San Lucas. 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 from for flights from Ontario to Cabo San Lucas?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Cabo San Lucas. You should not have trouble finding flights to Cabo San Lucas from Ontario; the airport handles an average of 0 outbound flights to Cabo San Lucas per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Ontario airport to Cabo San Lucas. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How popular is this Ontario to Cabo San Lucas flight route?

    Flights from Ontario to Cabo San Lucas have been viewed 15 times in the past calendar month.

  • How long is the flight from Ontario to Cabo San Lucas?

    Delta and United Airlines can get you from Ontario to Cabo San Lucas in just under 7h 55m. Your travel time can differ by up to 38m. The distance from Ontario to Cabo San Lucas is about 891 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest flights from Ontario to Cabo San Lucas?

    The cheapest flight price from Ontario to Cabo San Lucas is $41. On average you can expect to pay $141. The most popular route, (Ontario - San José del Cabo Los Cabos), can usually be booked for $175.

  • Can I find deals for flights from Ontario to Cabo San Lucas that include hotel bookings?

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

  • How can I find direct flights from Ontario to Cabo San Lucas?

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

  • Can I find deals for business class flights from Ontario to Cabo San Lucas?

    Yes. Cheapflights offers flight deals from Ontario to Cabo San Lucas 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 Ontario to Cabo San Lucas?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Cabo San Lucas (average of $77). Flying from Ontario to Cabo San Lucas in June is currently the most expensive (average of $200). 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.

Top 5 airlines flying from Ontario to Cabo San Lucas

Discover the top 5 airlines that operate flights from Ontario to Cabo San Lucas. 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 2,558,603 searches. Data last updated March 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$160Average$383FlexibilityNo cancel feeOn-time69%
VolarisCheapest$169Average$229FlexibilityNo cancel feeOn-time79%
Alaska AirlinesCheapest$277Average$386FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$312Average$586FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$312Average$484FlexibilityNo cancel feeOn-time71%

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.