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$161+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — ONT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$237
(CheapOair)

One-way from

$161
(Trip.com)

Popular in

March

Cheapest in

May

Average price

$447
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. 17% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This CheapOair deal was found by Cheapflights users on 9/15. 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 11/141:48 pmPBI - ONT
2 stops24h 22mFrontier
Sun 11/166:53 amONT - PBI
2 stops26h 35mFrontier
Deal found 9/15$237
This CheapOair deal was found by Cheapflights users on 9/16. 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.
Sun 10/261:13 pmPBI - ONT
2 stops30h 15mFrontier
Sat 11/812:05 pmONT - PBI
2 stops45h 23mFrontier
Deal found 9/16$290
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 12/92:17 pmPBI - ONT
1 stop8h 18mDelta
Wed 1/1410:30 pmONT - PBI
1 stop8h 34mDelta
Deal found 9/16$337
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 12/256:00 amPBI - ONT
1 stop7h 40mDelta
Tue 1/610:30 pmONT - PBI
1 stop8h 34mDelta
Deal found 9/15$348
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/286:00 amPBI - ONT
1 stop7h 26mDelta
Fri 10/317:05 amONT - PBI
1 stop7h 03mDelta
Deal found 9/16$357
This Delta deal was found by Cheapflights users on 9/15. 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 10/244:49 pmPBI - ONT
1 stop8h 33mDelta
Wed 11/1911:45 amONT - PBI
1 stop7h 20mDelta
Deal found 9/15$358
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/277:24 pmPBI - ONT
1 stop7h 35mAmerican Airlines
Thu 10/3012:48 pmONT - PBI
1 stop6h 31mAmerican Airlines
Deal found 9/16$359
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/277:24 pmPBI - ONT
1 stop7h 35mAmerican Airlines
Mon 11/312:53 pmONT - PBI
1 stop6h 25mAmerican Airlines
Deal found 9/15$360
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:35 amPBI - ONT
1 stop10h 05mSouthwest
Mon 12/88:55 pmONT - PBI
2 stops11h 50mSouthwest
Deal found 9/15$364
This American Airlines deal was found by Cheapflights users on 9/16. 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 11/203:17 pmPBI - ONT
1 stop10h 06mAmerican Airlines
Tue 11/2510:34 pmONT - PBI
1 stop7h 42mAmerican Airlines
Deal found 9/16$368
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 12/236:15 pmPBI - ONT
1 stop7h 44mDelta
Tue 1/610:30 pmONT - PBI
1 stop8h 34mDelta
Deal found 9/16$378

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 September 17, 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

Fri 11/14

1:48 pm-11:10 am

2 stops24h 22m

Ontario

Sun 11/16

6:53 am-12:28 pm

2 stops26h 35m

$237

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Tue 12/9

2:17 pm-7:35 pm

1 stop8h 18m

Ontario

Wed 1/14

10:30 pm-10:04 am

1 stop8h 34m

$337

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Wed 2/4

7:00 am-11:38 am

1 stop7h 38m

Ontario

Tue 2/10

10:30 pm-10:04 am

1 stop8h 34m

$337

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Tue 2/3

4:45 pm-9:14 pm

1 stop7h 29m

Ontario

Mon 2/9

10:30 pm-10:04 am

1 stop8h 34m

$348

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Sat 2/7

7:00 am-11:38 am

1 stop7h 38m

Ontario

Tue 2/10

10:30 pm-10:04 am

1 stop8h 34m

$348

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Wed 2/4

7:00 am-11:38 am

1 stop7h 38m

Ontario

Mon 2/9

10:30 pm-10:04 am

1 stop8h 34m

$348

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Sat 1/17

7:00 am-11:38 am

1 stop7h 38m

Ontario

Tue 1/20

10:30 pm-10:04 am

1 stop8h 34m

$348

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Wed 12/10

6:35 pm-11:03 pm

1 stop7h 28m

Ontario

Mon 1/12

10:30 pm-10:04 am

1 stop8h 34m

$348

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Sat 2/28

7:00 am-11:38 am

1 stop7h 38m

Ontario

Tue 3/3

10:30 pm-10:04 am

1 stop8h 34m

$359

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Thu 12/4

7:05 am-2:30 pm

2 stops10h 25m

Ontario

Mon 12/8

8:55 pm-11:45 am

2 stops11h 50m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 23 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 $327). 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 September 17, 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 September 17, 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
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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
7,961 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

  • How long is the flight from West Palm Beach to Ontario?

    Departing from West Palm Beach to Ontario will take you 8h 18m. West Palm Beach and Ontario are separated by a distance of 2278 mi. This flight may include one or multiple stops.

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

    Flying on American Airlines is currently your cheapest option to Ontario, with prices starting at $296. Another option worth looking into is Delta, starting at $312 round trip. American Airlines is priced at 41% 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 $327). 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

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$535FlexibilityNo cancel feeOn-time71%
DeltaCheapest$312Average$464FlexibilityNo cancel feeOn-timeN/A

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