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Ontario

$156+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — ONT
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap 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 March 24, 2026.

This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:03 pm
PBI
-
ONT
1 stop7h 47m
United Airlines
Thu 4/305:00 am
ONT
-
PBI
2 stops14h 38m
United Airlines
Deal found 3/24$382
This Southwest deal was found by Cheapflights users on 3/24. 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.
Sun 4/266:50 am
PBI
-
ONT
1 stop11h 20m
Southwest
Tue 4/289:55 pm
ONT
-
PBI
1 stop10h 50m
Southwest
Deal found 3/24$399
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/231:59 pm
PBI
-
ONT
1 stop10h 08m
American Airlines
Thu 4/3010:26 pm
ONT
-
PBI
1 stop7h 35m
American Airlines
Deal found 3/24$403
This Delta deal was found by Cheapflights users on 3/20. 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 4/146:00 am
PBI
-
ONT
1 stop8h 36m
Delta
Sat 4/257:05 am
ONT
-
PBI
1 stop7h 08m
Delta
Deal found 3/20$408
This United Airlines deal was found by Cheapflights users on 3/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:42 pm
PBI
-
ONT
1 stop7h 54m
United Airlines
Sat 5/26:00 am
ONT
-
PBI
1 stop6h 57m
United Airlines
Deal found 3/21$417
This Southwest deal was found by Cheapflights users on 3/21. 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.
Tue 4/283:55 pm
PBI
-
ONT
1 stop7h 40m
Southwest
Sat 5/26:10 am
ONT
-
PBI
2 stops12h 40m
Southwest
Deal found 3/21$422
This American Airlines deal was found by Cheapflights users on 3/21. 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.
Tue 4/281:11 pm
PBI
-
ONT
2 stops12h 25m
American Airlines
Sat 5/27:30 am
ONT
-
PBI
2 stops13h 00m
American Airlines
Deal found 3/21$427
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Sat 5/235:25 pm
PBI
-
ONT
1 stop8h 11m
American Airlines
Mon 5/2510:00 pm
ONT
-
PBI
1 stop8h 17m
American Airlines
Deal found 3/23$432
This KAYAK deal was found by Cheapflights users on 3/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/42:05 pm
PBI
-
ONT
1 stop11h 35m
JetBlue
Tue 9/811:59 pm
ONT
-
PBI
1 stop13h 16m
JetBlue
Deal found 3/19$436

Find 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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$408
(Delta)

One-way from

$156
(Delta)

Popular in

April

Cheapest in

May

Average price

$584
Provider with most accurate pricing for Palm Beach Intl-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Palm Beach Intl-Ontario flights.
Search Deals
From Palm Beach Intl to Ontario
Search Deals
One-way flight from Palm Beach Intl to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 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 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 March 24, 2026.
Use the filters below to find and compare flights from West Palm Beach to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Sun 5/3

6:50 am-3:10 pm

1 stop11h 20m

Ontario

Tue 5/5

9:55 pm-11:45 am

1 stop10h 50m

$452

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Mon 5/4

6:45 am-3:15 pm

1 stop11h 30m

Ontario

Tue 5/5

9:55 pm-11:45 am

1 stop10h 50m

$452

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Mon 4/20

3:43 pm-9:00 pm

1 stop8h 17m

Ontario

Mon 4/27

10:15 pm-10:04 am

1 stop8h 49m

$487

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Wed 4/15

4:15 pm-10:31 pm

1 stop9h 16m

Ontario

Sat 4/18

6:05 am-3:57 pm

1 stop6h 52m

$518

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Thu 4/9

4:15 pm-10:31 pm

1 stop9h 16m

Ontario

Tue 4/14

6:05 am-3:57 pm

1 stop6h 52m

$520

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Mon 5/11

6:00 am-10:57 am

1 stop7h 57m

Ontario

Fri 5/15

12:07 pm-10:23 pm

1 stop7h 16m

$523

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Sat 5/9

6:15 am-9:58 pm

1 stop18h 43m

Ontario

Tue 5/12

6:00 am-3:57 pm

1 stop6h 57m

$542

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Fri 6/12

6:00 am-10:40 am

1 stop7h 40m

Ontario

Thu 6/18

10:00 pm-8:58 am

1 stop7h 58m

$559
Quickest round-trip

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Fri 5/22

5:05 pm-9:55 pm

1 stop7h 50m

Ontario

Fri 5/29

5:45 am-3:56 pm

1 stop7h 11m

$597

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Wed 6/17

4:09 pm-10:46 pm

1 stop9h 37m

Ontario

Wed 6/24

5:45 am-3:56 pm

1 stop7h 11m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from West Palm Beach to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from West Palm Beach to Ontario in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on West Palm Beach-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on West Palm Beach-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from West Palm Beach-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on West Palm Beach-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for West Palm Beach-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, October is the cheapest month in which you can book a flight from West Palm Beach to Ontario (average of $118). Flying from West Palm Beach to Ontario in July is currently the most expensive (average of $168). 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.

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 March 24, 2026.
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
7.9
Good
8,320 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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
7.9
Good
8,320 reviews
Delta
7.9
Good
8,320 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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
7.1
Good
11,492 reviews
Delta
7.9
Good
8,320 reviews

Comfort

7.9

Boarding

8.1

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

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 17m. 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 Delta is currently your cheapest option to Ontario, with prices starting at $312. Another option worth looking into is American Airlines, starting at $395 round trip. Delta is priced at 37% 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, October is the cheapest month in which you can book a flight from West Palm Beach to Ontario (average of $118). Flying from West Palm Beach to Ontario in July is currently the most expensive (average of $168). 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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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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$312Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$395Average$541FlexibilityNo cancel feeOn-time71%

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