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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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PBI — ONT
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$337
(CheapOair)

One-way from

$161
(JetBlue)

Popular in

March

Cheapest in

May

Average price

$426
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. 21% potential increase in price ($133 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This CheapOair deal was found by Cheapflights users on 6/29. 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 9/121:13 pmPBI - ONT
2 stops33h 41mFrontier
Sun 9/146:56 pmONT - PBI
2 stops14h 22mFrontier
Deal found 6/29$337
This Delta deal was found by Cheapflights users on 6/29. 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 8/182:37 pmPBI - ONT
1 stop7h 34mDelta
Wed 8/2011:45 amONT - PBI
1 stop8h 20mDelta
Deal found 6/29$351
This American Airlines deal was found by Cheapflights users on 6/29. 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 8/236:43 amPBI - ONT
1 stop8h 09mAmerican Airlines
Sun 8/318:14 amONT - PBI
1 stop7h 31mAmerican Airlines
Deal found 6/29$358
This Southwest deal was found by Cheapflights users on 6/30. 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 9/1112:40 pmPBI - ONT
1 stop8h 00mSouthwest
Sun 9/149:15 amONT - PBI
1 stop9h 30mSouthwest
Deal found 6/30$378
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 8/64:42 pmPBI - ONT
1 stop7h 55mUnited Airlines
Mon 8/116:00 amONT - PBI
1 stop6h 51mUnited Airlines
Deal found 6/29$451
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:27 pmPBI - ONT
2 stops13h 32mAlaska Airlines
Tue 11/46:00 amONT - PBI
2 stops13h 12mAlaska Airlines
Deal found 6/28$538

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 July 1, 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 9/12

1:13 pm-7:54 pm

2 stops33h 41m

Ontario

Sun 9/14

6:56 pm-12:18 pm

2 stops14h 22m

$337

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Mon 8/18

2:37 pm-7:11 pm

1 stop7h 34m

Ontario

Wed 8/20

11:45 am-11:05 pm

1 stop8h 20m

$351

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Sat 8/23

6:43 am-11:52 am

1 stop8h 09m

Ontario

Sun 8/31

8:14 am-6:45 pm

1 stop7h 31m

$358

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Thu 9/11

12:40 pm-5:40 pm

1 stop8h 00m

Ontario

Sun 9/14

9:15 am-9:45 pm

1 stop9h 30m

$378

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Wed 8/6

4:42 pm-9:37 pm

1 stop7h 55m

Ontario

Mon 8/11

6:00 am-3:51 pm

1 stop6h 51m

$451

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Fri 8/15

1:17 pm-12:15 am

2 stops13h 58m

Ontario

Mon 8/18

6:58 pm-12:25 pm

2 stops14h 27m

$573

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Tue 8/19

11:14 am-9:59 pm

1 stop13h 45m

$161

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Mon 8/11

4:59 pm-10:20 pm

1 stop8h 21m

$176

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Fri 9/5

1:13 pm-11:38 pm

2 stops13h 25m

$197

West Palm BeachOntario

PBI - ONT

PBIONT

Palm Beach Intl

Thu 8/7

4:42 pm-9:37 pm

1 stop7h 55m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 results
1
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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 July 1, 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 July 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,273 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,858 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,919 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Frontier is currently your cheapest option to Ontario, with prices starting at $337. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $351 and $358, respectively. Frontier is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from West Palm Beach to Ontario one-way?

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as $161. Users have also found prices from $176 and $197 on Delta and Frontier, respectively.

  • 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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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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$420FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$503FlexibilityNo cancel feeOn-time71%

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