$51+ Cheap flights from Gilbert, AZ to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SAN
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Gilbert to San Diego 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 Gilbert to San Diego are usually found in October or September, booked 71 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Gilbert to San Diego
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Best
Last-minute
One-way
Cheapest flights from Gilbert to San DiegoExplore the most affordable flight options available from Gilbert to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Gilbert to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This Frontier deal was found by Cheapflights users on 4/7. 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 4/2812:10 pm
PHX
- SAN
Nonstop1h 19m
Frontier
Wed 4/2912:29 pm
SAN
- PHX
Nonstop1h 31m
Frontier
Deal found 4/7![Frontier logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 6/132:20 pm
PHX
- SAN
Nonstop1h 12m
Frontier
Tue 6/164:17 pm
SAN
- PHX
Nonstop1h 26m
Frontier
Deal found 4/8![Frontier logo]()
$66
This eDestinos deal was found by Cheapflights users on 4/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:41 pm
PHX
- SAN
Nonstop1h 18m
Frontier
Sun 5/101:38 pm
SAN
- PHX
Nonstop1h 34m
Frontier
Deal found 4/8![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 4/5. 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 6/32:15 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Sat 6/64:17 pm
SAN
- PHX
Nonstop1h 26m
Frontier
Deal found 4/5![Frontier logo]()
$72
This Super.com deal was found by Cheapflights users on 4/6. 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.
Sat 5/21:08 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Mon 5/48:38 am
SAN
- PHX
Nonstop1h 33m
Frontier
Deal found 4/6![Frontier logo]()
$74
This Frontier deal was found by Cheapflights users on 4/5. 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.
Thu 5/1411:26 am
PHX
- SAN
Nonstop1h 17m
Frontier
Mon 6/11:38 pm
SAN
- PHX
Nonstop1h 34m
Frontier
Deal found 4/5![Frontier logo]()
$75
This Super.com deal was found by Cheapflights users on 4/6. 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.
Fri 4/248:42 am
PHX
- SAN
Nonstop1h 24m
Frontier
Sun 5/36:56 pm
SAN
- PHX
Nonstop1h 29m
Frontier
Deal found 4/6![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 4/6. 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.
Thu 4/235:03 pm
PHX
- SAN
Nonstop1h 25m
Frontier
Sun 5/36:56 pm
SAN
- PHX
Nonstop1h 29m
Frontier
Deal found 4/6![Frontier logo]()
$77
This Booking.com deal was found by Cheapflights users on 4/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:10 am
PHX
- SAN
Nonstop1h 24m
Frontier
Tue 4/282:29 pm
SAN
- PHX
Nonstop1h 28m
Frontier
Deal found 4/5![Frontier logo]()
$78
This Trip.com deal was found by Cheapflights users on 4/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:53 pm
PHX
- SAN
Nonstop1h 21m
Multiple Airlines
Sat 5/304:17 pm
SAN
- PHX
Nonstop1h 26m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$80
This Frontier deal was found by Cheapflights users on 4/6. 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 4/251:08 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Mon 4/278:38 am
SAN
- PHX
Nonstop1h 33m
Frontier
Deal found 4/6![Frontier logo]()
$82
Best flights from Gilbert to San DiegoDiscover carefully curated flight deals from Gilbert to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Gilbert to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This Southwest deal was found by Cheapflights users on 4/8. 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 5/147:15 am
PHX
- SAN
Nonstop1h 15m
Southwest
Sun 5/178:30 pm
SAN
- PHX
1 stop3h 35m
Southwest
Deal found 4/8![Southwest logo]()
$127
This Delta deal was found by Cheapflights users on 4/10. 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.
Sat 5/25:30 pm
PHX
- SAN
1 stop5h 06m
Delta
Mon 5/47:45 pm
SAN
- PHX
1 stop3h 29m
Delta
Deal found 4/10![Delta logo]()
$157
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/146:00 am
PHX
- SAN
1 stop4h 09m
United Airlines
Sat 5/166:05 pm
SAN
- PHX
1 stop3h 27m
United Airlines
Deal found 4/5![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 4/6. 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 6/165:25 am
PHX
- SAN
1 stop4h 05m
Southwest
Tue 6/167:40 pm
SAN
- PHX
Nonstop1h 25m
Southwest
Deal found 4/6![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 4/10. 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.
Mon 5/115:05 pm
PHX
- SAN
1 stop4h 05m
Southwest
Wed 5/138:35 am
SAN
- PHX
1 stop4h 35m
Southwest
Deal found 4/10![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 4/5. 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.
Sun 6/76:00 am
PHX
- SAN
1 stop4h 10m
Delta
Sun 6/77:56 pm
SAN
- PHX
1 stop4h 03m
Delta
Deal found 4/5![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 4/7. 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 5/71:40 pm
PHX
- SAN
1 stop4h 25m
Southwest
Mon 5/1112:05 pm
SAN
- PHX
1 stop4h 10m
Southwest
Deal found 4/7![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 4/10. 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 6/512:05 pm
PHX
- SAN
1 stop5h 58m
Delta
Sun 6/77:56 pm
SAN
- PHX
1 stop4h 03m
Delta
Deal found 4/10![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 4/9. 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 5/291:40 pm
PHX
- SAN
1 stop4h 25m
Southwest
Sun 5/316:50 pm
SAN
- PHX
1 stop4h 15m
Southwest
Deal found 4/9![Southwest logo]()
$137
This Southwest deal was found by Cheapflights users on 4/6. 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 5/2810:15 am
PHX
- SAN
1 stop4h 40m
Southwest
Thu 5/286:50 pm
SAN
- PHX
1 stop4h 20m
Southwest
Deal found 4/6![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 4/6. 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 5/2110:15 am
PHX
- SAN
1 stop4h 40m
Southwest
Thu 5/219:35 pm
SAN
- PHX
Nonstop1h 25m
Southwest
Deal found 4/6![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 4/9. 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 4/2912:45 pm
PHX
- SAN
2 stops5h 10m
Southwest
Sat 5/28:50 am
SAN
- PHX
1 stop3h 05m
Southwest
Deal found 4/9![Southwest logo]()
$223
Last-minute flights from Gilbert to San DiegoDiscover last-minute flight deals from Gilbert to San Diego. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Gilbert to San Diego. Data last updated April 10, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:10 am
PHX
- SAN
Nonstop1h 24m
Frontier
Tue 4/282:29 pm
SAN
- PHX
Nonstop1h 28m
Frontier
Deal found 4/5![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 4/6. 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.
Thu 4/235:03 pm
PHX
- SAN
Nonstop1h 25m
Frontier
Sun 5/36:56 pm
SAN
- PHX
Nonstop1h 29m
Frontier
Deal found 4/6![Frontier logo]()
$77
This Super.com deal was found by Cheapflights users on 4/6. 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.
Fri 4/248:42 am
PHX
- SAN
Nonstop1h 24m
Frontier
Tue 4/282:29 pm
SAN
- PHX
Nonstop1h 28m
Frontier
Deal found 4/6![Frontier logo]()
$76
This Frontier deal was found by Cheapflights users on 4/6. 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 4/251:08 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Mon 4/278:38 am
SAN
- PHX
Nonstop1h 33m
Frontier
Deal found 4/6![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 4/7. 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 4/2812:10 pm
PHX
- SAN
Nonstop1h 19m
Frontier
Wed 4/2912:29 pm
SAN
- PHX
Nonstop1h 31m
Frontier
Deal found 4/7![Frontier logo]()
$51
This Super.com deal was found by Cheapflights users on 4/6. 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.
Sat 5/21:08 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Mon 5/48:38 am
SAN
- PHX
Nonstop1h 33m
Frontier
Deal found 4/6![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/57:40 am
PHX
- SAN
1 stop10h 59m
Frontier
Thu 5/71:38 pm
SAN
- PHX
Nonstop1h 34m
Frontier
Deal found 4/7![Frontier logo]()
$84
This WAYA deal was found by Cheapflights users on 4/6. 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 5/62:15 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Wed 5/67:34 pm
SAN
- PHX
1 stop3h 50m
Frontier
Deal found 4/6![Frontier logo]()
$83
This eDestinos deal was found by Cheapflights users on 4/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:41 pm
PHX
- SAN
Nonstop1h 18m
Frontier
Sun 5/101:38 pm
SAN
- PHX
Nonstop1h 34m
Frontier
Deal found 4/8![Frontier logo]()
$70
This Frontier deal was found by Cheapflights users on 4/5. 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.
Thu 5/1411:26 am
PHX
- SAN
Nonstop1h 17m
Frontier
Mon 6/11:38 pm
SAN
- PHX
Nonstop1h 34m
Frontier
Deal found 4/5![Frontier logo]()
$75
This Trip.com deal was found by Cheapflights users on 4/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:53 pm
PHX
- SAN
Nonstop1h 21m
Multiple Airlines
Sat 5/304:17 pm
SAN
- PHX
Nonstop1h 26m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$80
One-way flights from Gilbert to San DiegoSearch for one-way flight options from Gilbert to San Diego. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Gilbert to San Diego. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Sun 5/1711:26 am
PHX
- SAN
Nonstop1h 17m
Frontier
Deal found 4/6![Frontier logo]()
$51
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/251:08 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Deal found 4/7![Frontier logo]()
$53
This Frontier deal was found by Cheapflights users on 4/10. 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 5/262:15 pm
PHX
- SAN
Nonstop1h 16m
Frontier
Deal found 4/10![Frontier logo]()
$54
This eDestinos deal was found by Cheapflights users on 4/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/22:20 pm
PHX
- SAN
Nonstop1h 12m
Frontier
Deal found 4/8![Frontier logo]()
$57
This Super.com deal was found by Cheapflights users on 4/9. 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.
Tue 6/92:20 pm
PHX
- SAN
Nonstop1h 12m
Frontier
Deal found 4/9![Frontier logo]()
$58
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/267:59 pm
PHX
- SAN
Nonstop1h 21m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 4/235:03 pm
PHX
- SAN
Nonstop1h 25m
Frontier
Deal found 4/6![Frontier logo]()
$62
This Priceline deal was found by Cheapflights users on 4/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/52:20 pm
PHX
- SAN
Nonstop1h 12m
Frontier
Deal found 4/5![Frontier logo]()
$63
This Southwest deal was found by Cheapflights users on 4/8. 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.
Mon 6/811:05 am
PHX
- SAN
1 stop3h 05m
Southwest
Deal found 4/8![Southwest logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/48:00 am
PHX
- SAN
1 stop12h 01m
Frontier
Deal found 4/6![Frontier logo]()
$65
Find flight deals from Gilbert to San Diego
Keep the following information in mind while searching for Gilbert to San Diego flight deals. Data was last updated April 10, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $51 (Frontier) |
One-way from | $51 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $177 |
Cheapflights Fare Finder
Customize your flight search to find flights from Gilbert to San Diego 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 April 10, 2026.
Use the filters below to find and compare flights from Gilbert to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Thu 5/14
7:15 am-8:30 am
Nonstop1h 15m
San Diego
Sun 5/17
8:30 pm-12:05 am
1 stop3h 35m
$127
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Tue 6/16
5:25 am-9:30 am
1 stop4h 05m
San Diego
Tue 6/16
7:40 pm-9:05 pm
Nonstop1h 25m
$127
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Mon 5/11
5:05 pm-9:10 pm
1 stop4h 05m
San Diego
Wed 5/13
8:35 am-1:10 pm
1 stop4h 35m
$137
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Thu 5/7
1:40 pm-6:05 pm
1 stop4h 25m
San Diego
Mon 5/11
12:05 pm-4:15 pm
1 stop4h 10m
$137
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Fri 5/29
1:40 pm-6:05 pm
1 stop4h 25m
San Diego
Sun 5/31
6:50 pm-11:05 pm
1 stop4h 15m
$137
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Sat 5/2
5:30 pm-10:36 pm
1 stop5h 06m
San Diego
Mon 5/4
7:45 pm-11:14 pm
1 stop3h 29m
$157
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Thu 5/14
6:00 am-10:09 am
1 stop4h 09m
San Diego
Sat 5/16
6:05 pm-9:32 pm
1 stop3h 27m
$157
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Sun 6/7
6:00 am-10:10 am
1 stop4h 10m
San Diego
Sun 6/7
7:56 pm-11:59 pm
1 stop4h 03m
$157
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Fri 6/5
12:05 pm-6:03 pm
1 stop5h 58m
San Diego
Sun 6/7
7:56 pm-11:59 pm
1 stop4h 03m
$157
PhoenixSan Diego
PHX - SAN
PHXSAN
Phoenix Sky Harbor Intl
Thu 5/28
10:15 am-2:55 pm
1 stop4h 40m
San Diego
Thu 5/28
6:50 pm-11:10 pm
1 stop4h 20m
$157
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Gilbert to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Gilbert with our price prediction graph.
PHX-SAN
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 Gilbert to San Diego
G1L-SAN
PHX-SAN
How far ahead should I book a flight from Gilbert to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from Gilbert to San Diego. Price data was last updated on April 9, 2026.
The best time to book flights from Gilbert to San Diego is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Gilbert to San Diego?
Currently, February is the cheapest month in which you can book a flight from Gilbert to San Diego (average of $38). Flying from Gilbert to San Diego in June is currently the most expensive (average of $89). 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 G1L to SAN?
Find hourly flight availability from Gilbert to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 10, 2026.
One of the essential ways to save on airfare from Gilbert to San Diego is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.
What is the cheapest day to fly from Gilbert to San Diego?
Use this chart to determine the cheapest time to fly round-trip from Gilbert to San Diego. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their Gilbert to San Diego flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Gilbert to San Diego
Explore weekly flight availability from Gilbert to San Diego. 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 April 10, 2026.
The most flights from G1L to SAN are scheduled on a Thursday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).
How much does it cost to fly round-trip from Gilbert to San Diego?
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated April 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andHawaiian Airlines from Gilbert to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Gilbert to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Gilbert to San Diego
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Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Gilbert to San Diego by cabin class
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Gilbert and San Diego flights
Browse other Gilbert and San Diego flight options. Last updated on April 10, 2026.
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Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 10, 2026.
Gilbert to San Diego flights
Consider these flights traveling from Gilbert to San Diego.
Top 7 airlines flying from Gilbert to San Diego
Discover the top 7 airlines that operate flights from Gilbert to San Diego. 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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$41 | Average$149 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$48 | Average$139 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$79 | Average$159 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$87 | Average$267 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$97 | Average$292 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$109 | Average$339 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$273 | Average$350 | FlexibilityNo cancel fee | On-time69% |