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$119+ Cheap flights from West Palm Beach to Ontario (PBI - ONT)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — ONT
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from West Palm Beach to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from West Palm Beach (PBI) to Ontario (ONT). 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 agosto 14, 2025.

Round-trip from

$280
(CheapOair)

One-way from

$119
(Frontier)

Popular in

March

Cheapest in

May

Average price

$361
From Palm Beach Intl to Ontario
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One-way flight from Palm Beach Intl to Ontario
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Highest demand for flights based on searches. 19% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from West Palm Beach to Ontario

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

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/61:12 pmPBI - ONT
2 stops37h 38mFrontier
mié. 10/88:00 amONT - PBI
2 stops25h 14mFrontier
Deal found 8/14$280
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.
mié. 10/224:49 pmPBI - ONT
1 stop8h 33mDelta
mar. 11/1110:59 pmONT - PBI
1 stop9h 32mDelta
Deal found 8/13$283
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/227:10 pmPBI - ONT
2 stops42h 57mFrontier
dom. 8/245:09 pmONT - PBI
2 stops22h 16mFrontier
Deal found 8/14$296
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.
mié. 10/226:13 pmPBI - ONT
1 stop7h 09mDelta
sáb. 11/157:00 amONT - PBI
1 stop7h 04mDelta
Deal found 8/13$304
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.
vie. 10/246:13 pmPBI - ONT
1 stop7h 09mDelta
mié. 11/1210:59 pmONT - PBI
1 stop8h 00mDelta
Deal found 8/13$310
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.
mar. 9/1612:18 pmPBI - ONT
2 stops13h 05mDelta
vie. 9/1910:00 pmONT - PBI
1 stop8h 50mDelta
Deal found 8/14$315
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.
sáb. 9/206:00 amPBI - ONT
1 stop7h 42mDelta
lun. 9/2210:00 pmONT - PBI
1 stop7h 47mDelta
Deal found 8/13$325
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.
jue. 9/254:59 pmPBI - ONT
1 stop8h 24mDelta
lun. 9/2910:00 pmONT - PBI
2 stops10h 23mDelta
Deal found 8/13$330
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.
vie. 9/126:26 pmPBI - ONT
1 stop6h 57mDelta
lun. 9/1510:00 pmONT - PBI
1 stop8h 50mDelta
Deal found 8/13$331
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.
vie. 9/126:26 pmPBI - ONT
1 stop6h 57mDelta
dom. 9/1410:00 pmONT - PBI
1 stop8h 50mDelta
Deal found 8/13$337
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.
vie. 11/216:10 pmPBI - ONT
1 stop7h 31mDelta
mar. 12/210:59 pmONT - PBI
1 stop8h 00mDelta
Deal found 8/14$355
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/2310:48 amPBI - ONT
1 stop13h 41mJetBlue
mar. 9/3010:56 pmONT - PBI
1 stop14h 19mJetBlue
Deal found 8/14$362

Cheapflights Fare Finder

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

Fly from

West Palm Beach

Fly to

Ontario

Route

Depart

Return

Price

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

lun. 10/6

1:12 pm-11:50 pm

2 stops37h 38m

Ontario

mié. 10/8

8:00 am-12:14 pm

2 stops25h 14m

$280

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mié. 10/22

4:49 pm-10:22 pm

1 stop8h 33m

Ontario

mar. 11/11

10:59 pm-11:31 am

1 stop9h 32m

$283

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mié. 10/22

4:49 pm-10:22 pm

1 stop8h 33m

Ontario

mié. 11/12

12:00 pm-9:41 pm

1 stop6h 41m

$283

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mar. 10/28

6:00 am-10:26 am

1 stop7h 26m

Ontario

mié. 11/12

12:00 pm-11:01 pm

1 stop8h 01m

$283

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mar. 10/28

6:00 am-10:26 am

1 stop7h 26m

Ontario

mar. 11/11

10:59 pm-9:59 am

1 stop8h 00m

$283

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mié. 11/12

7:00 am-11:24 am

1 stop7h 24m

Ontario

mar. 1/13

10:30 pm-10:04 am

1 stop8h 34m

$283

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

jue. 10/23

6:13 pm-10:22 pm

1 stop7h 09m

Ontario

mié. 11/12

12:00 pm-9:41 pm

1 stop6h 41m

$304

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

jue. 10/23

6:13 pm-10:22 pm

1 stop7h 09m

Ontario

mar. 11/11

10:59 pm-9:59 am

1 stop8h 00m

$304

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mié. 10/22

6:13 pm-10:22 pm

1 stop7h 09m

Ontario

sáb. 11/15

7:00 am-5:04 pm

1 stop7h 04m

$304

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

mar. 10/28

6:00 am-10:26 am

1 stop7h 26m

Ontario

lun. 11/10

10:59 pm-9:59 am

1 stop8h 00m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 24 results
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Best time to book a flight from West Palm Beach to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from West Palm Beach to Ontario (average of $246). Flying from West Palm Beach to Ontario in March is currently the most expensive (average of $328). 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 PBI to ONT?

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

One of the essential ways to save on airfare from West Palm Beach to Ontario is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 35% on airfare.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated agosto 14, 2025.
Read reviews from past customers who have flown Delta and American Airlines from West Palm Beach to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from West Palm Beach to Ontario. 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 West Palm Beach to Ontario round-trip?

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $258. Another option worth looking into is American Airlines, starting at $274 round trip. Delta is priced at 47% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from West Palm Beach to Ontario (average of $246). Flying from West Palm Beach to Ontario in March is currently the most expensive (average of $328). 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

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Alternative routes for West Palm Beach to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from West Palm Beach to Ontario

Discover the top 2 airlines that operate flights from West Palm Beach to Ontario. 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$526FlexibilityNo cancel feeOn-time71%

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