HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
West Palm Beach

$120+ Cheap flights from Ontario to West Palm Beach (ONT - PBI)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PBI
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to West Palm Beach 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.

Cheap flight deals from Ontario to West Palm Beach

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to West Palm Beach (PBI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$283
(Delta)

One-way from

$120
(Frontier)

Popular in

March

Cheapest in

February

Average price

$456
From Ontario to Palm Beach Intl
Search Deals
One-way flight from Ontario to Palm Beach Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Ontario to West Palm Beach

Cheapest flights from Ontario to West Palm Beach
Explore the most affordable flight options available from Ontario to West Palm Beach. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:55 amONT - PBI
1 stop8h 05mDelta
Tue 9/232:34 pmPBI - ONT
1 stop7h 41mDelta
Deal found 8/12$283
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:55 amONT - PBI
1 stop8h 05mDelta
Tue 9/304:59 pmPBI - ONT
2 stops9h 43mDelta
Deal found 8/13$288
This Priceline deal was found by Cheapflights users on 8/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:56 pmONT - PBI
1 stop13h 02mJetBlue
Tue 9/1610:48 amPBI - ONT
1 stop13h 41mJetBlue
Deal found 8/12$291
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:55 amONT - PBI
1 stop8h 05mDelta
Sat 9/206:00 amPBI - ONT
1 stop7h 42mDelta
Deal found 8/11$304
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:00 pmONT - PBI
2 stops10h 23mDelta
Wed 9/244:59 pmPBI - ONT
1 stop8h 24mDelta
Deal found 8/14$309
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:05 amONT - PBI
1 stop7h 03mDelta
Tue 11/112:15 pmPBI - ONT
1 stop8h 27mDelta
Deal found 8/13$310
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:45 amONT - PBI
1 stop10h 01mDelta
Wed 9/36:00 amPBI - ONT
1 stop7h 35mDelta
Deal found 8/11$320
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:45 pmONT - PBI
1 stop6h 37mAmerican Airlines
Sat 9/136:42 amPBI - ONT
2 stops14h 34mAmerican Airlines
Deal found 8/13$323
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2210:00 pmONT - PBI
1 stop7h 47mDelta
Thu 9/254:59 pmPBI - ONT
1 stop8h 24mDelta
Deal found 8/14$325

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to West Palm Beach 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 August 14, 2025.
Use the filters below to find and compare flights from Ontario to West Palm Beach that are best for you.

Fly from

Ontario

Fly to

West Palm Beach

Route

Depart

Return

Price

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Wed 9/17

11:55 am-11:00 pm

1 stop8h 05m

Palm Beach Intl

Tue 9/23

2:34 pm-7:15 pm

1 stop7h 41m

$283

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Tue 12/16

12:00 pm-9:41 pm

1 stop6h 41m

Palm Beach Intl

Wed 12/31

6:00 am-10:38 am

1 stop7h 38m

$283

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Wed 9/17

11:55 am-11:00 pm

1 stop8h 05m

Palm Beach Intl

Tue 9/30

6:00 am-10:42 am

1 stop7h 42m

$283

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Fri 9/12

10:56 pm-2:58 pm

1 stop13h 02m

Palm Beach Intl

Tue 9/16

10:48 am-9:29 pm

1 stop13h 41m

$291

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Wed 10/29

12:47 pm-6:18 pm

2 stops50h 31m

Palm Beach Intl

Sun 11/2

10:27 am-9:19 am

2 stops25h 52m

$291

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Wed 9/24

10:00 pm-9:50 am

1 stop8h 50m

Palm Beach Intl

Thu 9/25

4:59 pm-10:23 pm

1 stop8h 24m

$304

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Wed 9/17

11:55 am-11:00 pm

1 stop8h 05m

Palm Beach Intl

Sat 9/20

6:00 am-10:42 am

1 stop7h 42m

$304

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Mon 9/22

10:00 pm-9:50 am

1 stop8h 50m

Palm Beach Intl

Wed 9/24

6:26 pm-10:23 pm

1 stop6h 57m

$304

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Wed 9/17

11:55 am-11:00 pm

1 stop8h 05m

Palm Beach Intl

Mon 9/22

6:26 pm-10:23 pm

1 stop6h 57m

$304

OntarioWest Palm Beach

ONT - PBI

ONTPBI

Ontario

Sun 10/5

7:15 pm-12:17 pm

2 stops14h 02m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 19 results
1
2

Best time to book a flight from Ontario to West Palm Beach

Have a flexible travel schedule? Discover the best time to fly to West Palm Beach 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 West Palm Beach

What is the cheapest month to book a flight from Ontario to West Palm Beach?

Currently, August is the cheapest month in which you can book a flight from Ontario to West Palm Beach (average of $222). Flying from Ontario to West Palm Beach in April is currently the most expensive (average of $296). 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 PBI?

Find hourly flight availability from Ontario to West Palm Beach. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s typically best to fly out from Ontario to West Palm Beach at noon. Doing so could potentially save you 42% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing West Palm Beach

Get insights into the airlines that provide service to West Palm Beach. 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 West Palm Beach. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Ontario to West Palm Beach to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario to West Palm Beach. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to West Palm Beach round-trip?

    Delta, at $332, was found to be the cheapest airline from Ontario to West Palm Beach.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Delta is 34% cheaper than the other options available to this destination.

  • Can I find deals for flights from Ontario to West Palm Beach that include hotel bookings?

    Yes. In addition to deals on Ontario to West Palm Beach flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to West Palm Beach?

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

  • Can I find deals for business class flights from Ontario to West Palm Beach?

    Yes. Cheapflights offers flight deals from Ontario to West Palm Beach 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 West Palm Beach?

    Currently, August is the cheapest month in which you can book a flight from Ontario to West Palm Beach (average of $222). Flying from Ontario to West Palm Beach in April is currently the most expensive (average of $296). 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.

Alternative routes for Ontario to West Palm Beach

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Orlando flights
Los Angeles to Miami flights
Los Angeles to Fort Lauderdale flights
San Francisco to Miami flights
San Francisco to Orlando flights
San Francisco to Fort Lauderdale flights
Burbank to Fort Lauderdale flights
Ontario to Orlando flights
Ontario to Miami flights
Los Angeles to Tampa flights
San Diego to Orlando flights
San Diego to Miami flights
Santa Ana to Fort Lauderdale flights
Burbank to Orlando flights
Las Vegas to Orlando flights
San Diego to Fort Lauderdale flights
Santa Ana to Orlando flights
Oakland to Fort Lauderdale flights
San Francisco to Tampa flights
Los Angeles to West Palm Beach flights
Burbank to Miami flights
Las Vegas to Fort Lauderdale flights
Ontario to Fort Lauderdale flights
San Diego to Tampa flights
Oakland to Orlando flights
Ontario to Tampa flights
San Jose to Miami flights
San Jose to Orlando flights
Sacramento to Fort Lauderdale flights
Santa Ana to Miami flights
Oakland to Miami flights
Las Vegas to Miami flights
Sacramento to Orlando flights
Sacramento to Miami flights
San Jose to Fort Lauderdale flights
Santa Ana to Tampa flights
Los Angeles to Fort Myers flights
San Francisco to West Palm Beach flights
Sacramento to West Palm Beach flights
Los Angeles to Pensacola flights
Burbank to Tampa flights
Las Vegas to Tampa flights
San Francisco to Fort Myers flights
San Jose to West Palm Beach flights
Fresno to Orlando flights
Sacramento to Tampa flights
Ontario to Jacksonville flights
Oakland to Tampa flights
Ontario to Fort Myers flights

Top 3 airlines flying from Ontario to West Palm Beach

Discover the top 3 airlines that operate flights from Ontario to West Palm Beach. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$332Average$492FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$353Average$506FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$391Average$488FlexibilityNo cancel feeOn-time69%

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.