$57+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHX
Jun 3 — Jun 101
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Gilbert with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Wednesday
Cheap flight deals from Ontario to Gilbert
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to GilbertExplore 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 May 4, 2026.
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 May 4, 2026.
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:10 pm
ONT
- PHX
Nonstop1h 24m
American Airlines
Wed 6/38:43 pm
PHX
- ONT
Nonstop1h 14m
American Airlines
Deal found 4/30![American Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:39 pm
ONT
- PHX
2 stops10h 03m
Frontier
Wed 6/310:27 pm
PHX
- ONT
1 stop16h 42m
Frontier
Deal found 4/30![Frontier logo]()
$142
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:30 am
ONT
- PHX
Nonstop1h 15m
Southwest
Wed 6/38:30 am
PHX
- ONT
1 stop3h 05m
Southwest
Deal found 4/29![Southwest logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:30 pm
ONT
- PHX
1 stop7h 54m
Frontier
Mon 6/17:40 am
PHX
- ONT
1 stop7h 29m
Frontier
Deal found 4/30![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:30 pm
ONT
- PHX
2 stops21h 50m
Frontier
Thu 6/47:40 am
PHX
- ONT
1 stop7h 29m
Frontier
Deal found 4/30![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/28:17 pm
ONT
- PHX
2 stops27h 25m
Frontier
Mon 6/810:27 pm
PHX
- ONT
1 stop16h 41m
Frontier
Deal found 5/1![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Fri 5/299:05 am
PHX
- ONT
2 stops22h 59m
Frontier
Deal found 4/29![Frontier logo]()
$153
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:12 pm
ONT
- PHX
Nonstop1h 23m
American Airlines
Tue 6/28:43 pm
PHX
- ONT
Nonstop1h 14m
American Airlines
Deal found 4/30![American Airlines logo]()
$157
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Wed 5/204:29 pm
PHX
- ONT
1 stop7h 20m
Frontier
Deal found 4/29![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
ONT
- PHX
1 stop9h 55m
Frontier
Sat 5/2310:27 pm
PHX
- ONT
1 stop9h 37m
Frontier
Deal found 4/30![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Tue 5/267:40 am
PHX
- ONT
1 stop8h 04m
Frontier
Deal found 4/29![Frontier logo]()
$165
Best flights from Ontario to GilbertDiscover carefully curated flight deals from Ontario to Gilbert that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 4, 2026.
Discover carefully curated flight deals from Ontario to Gilbert that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 4, 2026.
This Southwest deal was found by Cheapflights users on 5/4. 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 7/26:00 am
ONT
- PHX
2 stops6h 25m
Southwest
Sun 7/510:55 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Deal found 5/4![Southwest logo]()
$283
This United Airlines deal was found by Cheapflights users on 5/3. 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 8/191:44 pm
ONT
- PHX
1 stop4h 51m
United Airlines
Wed 9/27:08 am
PHX
- ONT
1 stop5h 04m
United Airlines
Deal found 5/3![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 4/30. 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 5/218:10 am
ONT
- PHX
Nonstop1h 15m
Southwest
Mon 5/254:40 pm
PHX
- ONT
1 stop6h 00m
Southwest
Deal found 4/30![Southwest logo]()
$284
This Southwest deal was found by Cheapflights users on 4/30. 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.
Tue 7/145:30 am
ONT
- PHX
1 stop3h 00m
Southwest
Mon 7/2010:55 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Deal found 4/30![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 5/1. 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 9/235:00 am
ONT
- PHX
1 stop5h 33m
United Airlines
Fri 10/27:02 am
PHX
- ONT
1 stop5h 10m
United Airlines
Deal found 5/1![United Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 7/34:00 pm
ONT
- PHX
2 stops5h 15m
Southwest
Mon 7/61:45 pm
PHX
- ONT
2 stops6h 25m
Southwest
Deal found 4/30![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 5/4. 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.
Fri 9/2512:25 pm
ONT
- PHX
1 stop4h 50m
Southwest
Mon 9/281:55 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Deal found 5/4![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 5/1. 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 6/79:40 am
ONT
- PHX
1 stop6h 00m
Southwest
Fri 6/1210:55 pm
PHX
- ONT
Nonstop1h 10m
Southwest
Deal found 5/1![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 5/3. 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 5/216:00 pm
ONT
- PHX
Nonstop1h 15m
Southwest
Sun 5/248:00 am
PHX
- ONT
1 stop6h 25m
Southwest
Deal found 5/3![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 4/30. 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.
Fri 6/54:00 pm
ONT
- PHX
2 stops5h 15m
Southwest
Mon 6/89:55 am
PHX
- ONT
2 stops5h 25m
Southwest
Deal found 4/30![Southwest logo]()
$377
Last-minute flights from Ontario to GilbertDiscover last-minute flight deals from Ontario to Gilbert. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Gilbert. Data last updated May 4, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
ONT
- PHX
1 stop9h 55m
Frontier
Sat 5/2310:27 pm
PHX
- ONT
1 stop9h 37m
Frontier
Deal found 4/30![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/194:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Wed 5/204:29 pm
PHX
- ONT
1 stop7h 20m
Frontier
Deal found 4/29![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Tue 5/267:40 am
PHX
- ONT
1 stop8h 04m
Frontier
Deal found 4/29![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/253:30 pm
ONT
- PHX
2 stops21h 50m
Frontier
Thu 6/47:40 am
PHX
- ONT
1 stop7h 29m
Frontier
Deal found 4/30![Frontier logo]()
$150
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:30 am
ONT
- PHX
Nonstop1h 15m
Southwest
Wed 6/38:30 am
PHX
- ONT
1 stop3h 05m
Southwest
Deal found 4/29![Southwest logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Fri 5/299:05 am
PHX
- ONT
2 stops22h 59m
Frontier
Deal found 4/29![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:30 pm
ONT
- PHX
1 stop7h 54m
Frontier
Mon 6/17:40 am
PHX
- ONT
1 stop7h 29m
Frontier
Deal found 4/30![Frontier logo]()
$147
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:12 pm
ONT
- PHX
Nonstop1h 23m
American Airlines
Tue 6/28:43 pm
PHX
- ONT
Nonstop1h 14m
American Airlines
Deal found 4/30![American Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:10 pm
ONT
- PHX
Nonstop1h 24m
American Airlines
Wed 6/38:43 pm
PHX
- ONT
Nonstop1h 14m
American Airlines
Deal found 4/30![American Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:39 pm
ONT
- PHX
2 stops10h 03m
Frontier
Wed 6/310:27 pm
PHX
- ONT
1 stop16h 42m
Frontier
Deal found 4/30![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/28:17 pm
ONT
- PHX
2 stops27h 25m
Frontier
Mon 6/810:27 pm
PHX
- ONT
1 stop16h 41m
Frontier
Deal found 5/1![Frontier logo]()
$151
One-way flights from Ontario to GilbertSearch for one-way flight options from Ontario to Gilbert. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
Search for one-way flight options from Ontario to Gilbert. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This WAYA deal was found by Cheapflights users on 4/30. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Deal found 4/30![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/93:34 pm
ONT
- PHX
1 stop7h 26m
Frontier
Deal found 5/1![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/13:30 pm
ONT
- PHX
1 stop19h 53m
Frontier
Deal found 4/30![Frontier logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/303:30 pm
ONT
- PHX
1 stop7h 54m
Frontier
Deal found 5/1![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:51 am
ONT
- PHX
1 stop11h 33m
Frontier
Deal found 4/30![Frontier logo]()
$67
This American Airlines deal was found by Cheapflights users on 5/3. 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 6/97:13 pm
ONT
- PHX
Nonstop1h 22m
American Airlines
Deal found 5/3![American Airlines logo]()
$68
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:10 am
ONT
- PHX
Nonstop1h 25m
American Airlines
Deal found 4/30![American Airlines logo]()
$69
This American Airlines deal was found by Cheapflights users on 5/3. 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 5/267:12 pm
ONT
- PHX
Nonstop1h 23m
American Airlines
Deal found 5/3![American Airlines logo]()
$70
This Super.com deal was found by Cheapflights users on 5/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/248:59 am
ONT
- PHX
1 stop11h 58m
Frontier
Deal found 5/3![Frontier logo]()
$75
This Frontier deal was found by Cheapflights users on 5/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:39 pm
ONT
- PHX
1 stop6h 45m
Frontier
Deal found 5/2![Frontier logo]()
$76
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:10 am
ONT
- PHX
Nonstop1h 25m
American Airlines
Deal found 4/30![American Airlines logo]()
$89
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 May 4, 2026.
Round-trip from | $137 (American Airlines) |
|---|---|
One-way from | $57 (WAYA) |
Popular in | February |
Cheapest in | September |
Average price | $259 |
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 May 4, 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
Cheapest round-trip
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Thu 7/2
6:00 am-12:25 pm
2 stops6h 25m
Phoenix Sky Harbor Intl
Sun 7/5
10:55 pm-12:05 am
Nonstop1h 10m
$283
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Thu 5/21
8:10 am-9:25 am
Nonstop1h 15m
Phoenix Sky Harbor Intl
Mon 5/25
4:40 pm-10:40 pm
1 stop6h 00m
$284
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Wed 8/19
1:44 pm-6:35 pm
1 stop4h 51m
Phoenix Sky Harbor Intl
Wed 9/2
7:08 am-12:12 pm
1 stop5h 04m
$297
Quickest round-trip
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Tue 7/14
5:30 am-8:30 am
1 stop3h 00m
Phoenix Sky Harbor Intl
Mon 7/20
10:55 pm-12:05 am
Nonstop1h 10m
$329
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Fri 7/3
4:00 pm-9:15 pm
2 stops5h 15m
Phoenix Sky Harbor Intl
Mon 7/6
1:45 pm-8:10 pm
2 stops6h 25m
$349
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Fri 9/25
12:25 pm-5:15 pm
1 stop4h 50m
Phoenix Sky Harbor Intl
Mon 9/28
1:55 pm-3:05 pm
Nonstop1h 10m
$349
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Sun 6/7
9:40 am-3:40 pm
1 stop6h 00m
Phoenix Sky Harbor Intl
Fri 6/12
10:55 pm-12:05 am
Nonstop1h 10m
$349
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Wed 9/23
5:00 am-10:33 am
1 stop5h 33m
Phoenix Sky Harbor Intl
Fri 10/2
7:02 am-12:12 pm
1 stop5h 10m
$363
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Thu 5/21
6:00 pm-7:15 pm
Nonstop1h 15m
Phoenix Sky Harbor Intl
Sun 5/24
8:00 am-2:25 pm
1 stop6h 25m
$366
OntarioPhoenix
ONT - PHX
ONTPHX
Ontario
Fri 6/5
4:00 pm-9:15 pm
2 stops5h 15m
Phoenix Sky Harbor Intl
Mon 6/8
9:55 am-3:20 pm
2 stops5h 25m
$377
Showing 1-10 of 21 resultsSorted by cheapest first
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.
ONT-PHX
Estimated round-trip price
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Cheapflights Insights
Everything you need to know about your flight from Ontario to Gilbert
ONT-G1L
ONT-PHX
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 May 4, 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.
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 May 2, 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.
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 May 4, 2026.
The most flights from ONT to G1L are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Ontario to Gilbert?
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 May 4, 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.
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
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Alternative routes for Ontario to Gilbert
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Search flights from Ontario to Gilbert by cabin class
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Ontario and Gilbert flights
Browse other Ontario and Gilbert flight options. Last updated on May 4, 2026.
Other flights from Ontario
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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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$182 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$114 | Average$272 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$125 | Average$327 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$308 | FlexibilityNo cancel fee | On-time62% |