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Gilbert

$55+ Cheap flights from Ontario (ONT) to Gilbert, AZ

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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Find cheap flights from Ontario to Gilbert with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Ontario to Gilbert are usually found in September or August, booked 73 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Ontario to Gilbert

Cheapest flights from Ontario to Gilbert
Explore the most affordable flight options available from Ontario to Gilbert. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.

This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:35 pm
ONT
-
PHX
Nonstop1h 15m
Southwest
Wed 7/2212:55 pm
PHX
-
ONT
Nonstop1h 10m
Southwest
Deal found 6/16$109
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:35 pm
ONT
-
PHX
Nonstop1h 15m
Southwest
Tue 7/214:35 pm
PHX
-
ONT
2 stops5h 35m
Southwest
Deal found 6/16$124
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/43:34 pm
ONT
-
PHX
1 stop7h 26m
Frontier
Tue 7/79:58 pm
PHX
-
ONT
1 stop10h 05m
Frontier
Deal found 6/14$126
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:05 pm
ONT
-
PHX
1 stop4h 35m
Southwest
Tue 9/157:30 am
PHX
-
ONT
1 stop7h 25m
Southwest
Deal found 6/16$129
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:34 pm
ONT
-
PHX
1 stop7h 26m
Frontier
Tue 7/72:04 pm
PHX
-
ONT
1 stop17h 59m
Frontier
Deal found 6/14$136
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:33 pm
ONT
-
PHX
1 stop9h 27m
Frontier
Sat 7/47:45 am
PHX
-
ONT
1 stop12h 06m
Frontier
Deal found 6/13$141
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:34 pm
ONT
-
PHX
1 stop7h 26m
Frontier
Sat 7/47:45 am
PHX
-
ONT
1 stop12h 06m
Frontier
Deal found 6/13$144
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 11/44:47 pm
ONT
-
PHX
Nonstop1h 21m
American Airlines
Sat 11/76:03 pm
PHX
-
ONT
Nonstop1h 17m
American Airlines
Deal found 6/16$145
This American Airlines deal was found by Cheapflights users on 6/15. 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 10/54:59 pm
ONT
-
PHX
Nonstop1h 26m
American Airlines
Wed 10/78:20 pm
PHX
-
ONT
Nonstop1h 15m
American Airlines
Deal found 6/15$147
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:38 pm
ONT
-
PHX
1 stop9h 27m
Frontier
Mon 8/32:02 pm
PHX
-
ONT
1 stop22h 51m
Frontier
Deal found 6/16$151

Find flight deals from Ontario to Gilbert

Keep the following information in mind while searching for Ontario to Gilbert flight deals. Data was last updated June 18, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$109
(Southwest)

One-way from

$55
(Southwest)

Popular in

June

Cheapest in

September

Average price

$333
Provider with most accurate pricing for Los Angeles-Phoenix flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Phoenix flights.
Search Deals
From Ontario to Gilbert
Search Deals
One-way flight from Ontario to Gilbert
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Gilbert 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 June 18, 2026.
Use the filters below to find and compare flights from Ontario to Gilbert that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 7/7

4:05 pm-8:40 pm

1 stop4h 35m

Phoenix Sky Harbor Intl

Tue 9/15

4:25 pm-5:35 pm

Nonstop1h 10m

$119

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 7/29

1:30 pm-2:50 pm

Nonstop1h 20m

Phoenix Sky Harbor Intl

Mon 8/3

10:55 pm-12:10 am

Nonstop1h 15m

$153

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 7/21

4:10 pm-9:40 pm

1 stop5h 30m

Phoenix Sky Harbor Intl

Sat 7/25

8:50 pm-10:05 pm

Nonstop1h 15m

$163
Quickest round-trip

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Thu 8/27

5:15 am-6:30 am

Nonstop1h 15m

Phoenix Sky Harbor Intl

Fri 8/28

8:55 pm-10:05 pm

Nonstop1h 10m

$189

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Sat 8/29

5:40 am-12:40 pm

2 stops7h 00m

Phoenix Sky Harbor Intl

Mon 8/31

7:30 pm-8:40 pm

Nonstop1h 10m

$196

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 7/17

5:15 pm-6:35 pm

Nonstop1h 20m

Phoenix Sky Harbor Intl

Fri 7/17

10:55 pm-12:10 am

Nonstop1h 15m

$197

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Mon 10/12

3:30 pm-9:15 pm

2 stops5h 45m

Phoenix Sky Harbor Intl

Wed 10/14

6:25 am-11:45 am

1 stop5h 20m

$201

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Fri 7/31

2:30 pm-8:00 pm

1 stop5h 30m

Phoenix Sky Harbor Intl

Mon 8/3

10:05 am-11:20 am

Nonstop1h 15m

$207

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Wed 7/29

6:10 am-12:15 pm

1 stop6h 05m

Phoenix Sky Harbor Intl

Thu 7/30

11:40 am-5:35 pm

2 stops5h 55m

$211
Cheapest one-way
Quickest one-way

OntarioPhoenix

ONT - PHX

ONTPHX

Ontario

Tue 7/21

4:35 pm-5:50 pm

Nonstop1h 15m

$55

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Ontario to Gilbert

Have a flexible travel schedule? Discover the best time to fly to Gilbert 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 Gilbert

What is the cheapest time of day to fly from ONT to G1L?

Find hourly flight availability from Ontario to Gilbert. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2026.

One of the essential ways to save on airfare from Ontario to Gilbert 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 17% on airfare.

Weekly flight availability from Ontario to Gilbert

Explore weekly flight availability from Ontario to Gilbert. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 18, 2026.

The most flights from ONT to G1L are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Ontario to Gilbert?

What is the cheapest day to fly from Ontario to Gilbert?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Gilbert. Price data was last updated on June 13, 2026.

Travelers seeking maximum savings on their Ontario to Gilbert flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Gilbert

Get insights into the airlines that provide service to Gilbert. 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 Gilbert. Reviews last updated June 18, 2026.
Read reviews from past customers who have flown Southwest,American Airlines, andJetBlue from Ontario to Gilbert. 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.
Southwest
7.9
Good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
7.9
Good
4,235 reviews
Southwest
7.9
Good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,682 reviews
Southwest
7.9
Good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
JetBlue
7.1
Good
2,983 reviews
Southwest
7.9
Good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,880 reviews
Southwest
7.9
Good
4,235 reviews

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Gilbert?

    If you book a flight to Gilbert from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 7 flights from Ontario to Gilbert per day from 4 different airlines.

  • How long is the flight from Ontario to Gilbert?

    Departing from Ontario to Gilbert will take you 1h 15m. There are 324 mi between Ontario and Gilbert. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to Gilbert one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $48. However, be on the lookout for offers from American Airlines and Frontier, as they are both options that can get you from Ontario to Gilbert for a low price.

  • What are the most reliable airlines from Ontario to Gilbert?

    Before booking your flight to Gilbert from Ontario, check out the most reliable airlines to get you to your destination on time: Porter Airlines (98%), Envoy Air (93%), American Airlines( 89%).

  • What are the cheapest flights from Ontario to Gilbert?

    Looking for the cheapest flight from Ontario to Gilbert? While on average our users pay $527, our data indicates the cheapest price to be $98. The most popular route (Ontario - Phoenix Sky Harbor Intl), is priced around $109.

  • Can I find deals for flights from Ontario to Gilbert that include hotel bookings?

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

  • How can I find direct flights from Ontario to Gilbert?

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

  • Can I find deals for business class flights from Ontario to Gilbert?

    Yes. Cheapflights offers flight deals from Ontario to Gilbert by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Ontario to Gilbert

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Top 4 airlines flying from Ontario to Gilbert

Discover the top 4 airlines that operate flights from Ontario to Gilbert. 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$177FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$114Average$422FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$124Average$329FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$228Average$308FlexibilityNo cancel feeOn-time62%

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