$54+ Cheap flights from Pasadena, CA to San Diego (SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SAN
May 2 — May 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Pasadena 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 Pasadena to San Diego are usually found in February or July, booked 23 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Pasadena to San Diego
Cheapest
Best
Last-minute
One-way
Cheapest flights from Pasadena to San DiegoExplore the most affordable flight options available from Pasadena to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
Explore the most affordable flight options available from Pasadena to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/283:49 pm
LAX
- SAN
1 stop19h 45m
Frontier
Tue 5/54:17 pm
SAN
- LAX
1 stop5h 08m
Frontier
Deal found 3/31![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/610:20 pm
LAX
- SAN
1 stop14h 23m
Frontier
Mon 5/111:38 pm
SAN
- LAX
1 stop7h 47m
Frontier
Deal found 3/31![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/2710:59 pm
LAX
- SAN
1 stop14h 30m
Frontier
Mon 5/48:38 am
SAN
- LAX
1 stop13h 26m
Frontier
Deal found 3/30![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/310:59 pm
LAX
- SAN
1 stop8h 47m
Frontier
Wed 5/64:17 pm
SAN
- LAX
1 stop5h 08m
Frontier
Deal found 3/31![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/1510:20 pm
LAX
- SAN
1 stop19h 39m
Frontier
Mon 5/181:38 pm
SAN
- LAX
1 stop7h 47m
Frontier
Deal found 3/31![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/288:00 am
LAX
- SAN
1 stop12h 04m
Frontier
Wed 4/298:00 am
SAN
- LAX
1 stop15h 14m
Frontier
Deal found 4/1![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/232:44 pm
LAX
- SAN
1 stop9h 15m
Frontier
Sun 4/266:56 pm
SAN
- LAX
1 stop27h 08m
Frontier
Deal found 4/1![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/110:55 am
LAX
- SAN
1 stop8h 59m
Frontier
Mon 5/48:38 am
SAN
- LAX
1 stop13h 26m
Frontier
Deal found 3/31![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:20 pm
LAX
- SAN
1 stop17h 11m
Frontier
Mon 6/810:07 pm
SAN
- LAX
1 stop21h 13m
Frontier
Deal found 3/28![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/610:20 pm
LAX
- SAN
1 stop14h 23m
Frontier
Sat 5/166:25 am
SAN
- LAX
1 stop17h 51m
Frontier
Deal found 3/29![Frontier logo]()
$141
Best flights from Pasadena to San DiegoDiscover carefully curated flight deals from Pasadena to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
Discover carefully curated flight deals from Pasadena to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:02 pm
LAX
- SAN
2 stops11h 45m
Multiple Airlines
Mon 6/81:38 pm
SAN
- LAX
1 stop7h 47m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$196
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 5/56:13 am
LAX
- SAN
1 stop6h 46m
Alaska Airlines
Tue 5/53:35 pm
SAN
- LAX
1 stop5h 39m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 3/29. 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.
Sat 4/188:28 am
LAX
- SAN
Nonstop0h 56m
Delta
Sat 4/2510:05 am
SAN
- LAX
Nonstop1h 09m
Delta
Deal found 3/29![Delta logo]()
$239
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:00 am
LAX
- SAN
Nonstop1h 08m
United Airlines
Sun 6/78:32 pm
SAN
- LAX
Nonstop1h 13m
United Airlines
Deal found 3/30![United Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/149:25 am
LAX
- SAN
Nonstop0h 54m
Delta
Thu 5/216:15 am
SAN
- LAX
Nonstop1h 18m
Delta
Deal found 3/30![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 3/31. 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 5/1510:20 pm
LAX
- SAN
Nonstop0h 55m
Delta
Mon 5/1810:59 am
SAN
- LAX
Nonstop1h 09m
Delta
Deal found 3/31![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:28 am
LAX
- SAN
Nonstop0h 56m
Delta
Fri 5/83:15 pm
SAN
- LAX
Nonstop1h 00m
Delta
Deal found 4/2![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 3/29. 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.
Thu 4/236:10 pm
LAX
- SAN
Nonstop0h 54m
Delta
Sun 4/267:45 pm
SAN
- LAX
Nonstop1h 05m
Delta
Deal found 3/29![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 3/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:28 am
LAX
- SAN
Nonstop0h 56m
Delta
Sun 4/197:45 pm
SAN
- LAX
Nonstop1h 05m
Delta
Deal found 3/28![Delta logo]()
$239
Last-minute flights from Pasadena to San DiegoDiscover last-minute flight deals from Pasadena to San Diego. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Pasadena to San Diego. Data last updated April 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/232:44 pm
LAX
- SAN
1 stop9h 15m
Frontier
Sun 4/266:56 pm
SAN
- LAX
1 stop27h 08m
Frontier
Deal found 4/1![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/2710:59 pm
LAX
- SAN
1 stop14h 30m
Frontier
Mon 5/48:38 am
SAN
- LAX
1 stop13h 26m
Frontier
Deal found 3/30![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/283:49 pm
LAX
- SAN
1 stop19h 45m
Frontier
Tue 5/54:17 pm
SAN
- LAX
1 stop5h 08m
Frontier
Deal found 3/31![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/288:00 am
LAX
- SAN
1 stop12h 04m
Frontier
Wed 4/298:00 am
SAN
- LAX
1 stop15h 14m
Frontier
Deal found 4/1![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 4/295:11 pm
LAX
- SAN
2 stops15h 23m
Frontier
Wed 5/64:17 pm
SAN
- LAX
1 stop4h 53m
Frontier
Deal found 4/1![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/110:55 am
LAX
- SAN
1 stop8h 59m
Frontier
Mon 5/48:38 am
SAN
- LAX
1 stop13h 26m
Frontier
Deal found 3/31![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/310:59 pm
LAX
- SAN
1 stop8h 47m
Frontier
Wed 5/64:17 pm
SAN
- LAX
1 stop5h 08m
Frontier
Deal found 3/31![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/610:20 pm
LAX
- SAN
1 stop14h 23m
Frontier
Mon 5/111:38 pm
SAN
- LAX
1 stop7h 47m
Frontier
Deal found 3/31![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/610:20 pm
LAX
- SAN
1 stop14h 23m
Frontier
Sat 5/166:25 am
SAN
- LAX
1 stop17h 51m
Frontier
Deal found 3/29![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/1510:20 pm
LAX
- SAN
1 stop19h 39m
Frontier
Mon 5/181:38 pm
SAN
- LAX
1 stop7h 47m
Frontier
Deal found 3/31![Frontier logo]()
$135
One-way flights from Pasadena to San DiegoSearch for one-way flight options from Pasadena to San Diego. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
Search for one-way flight options from Pasadena to San Diego. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/283:49 pm
LAX
- SAN
1 stop19h 45m
Frontier
Deal found 3/31![Frontier logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 5/136:30 am
LAX
- SAN
1 stop17h 20m
Frontier
Deal found 4/1![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/213:49 pm
LAX
- SAN
1 stop19h 45m
Frontier
Deal found 3/31![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/2710:59 pm
LAX
- SAN
1 stop14h 30m
Frontier
Deal found 3/31![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Wed 6/312:02 pm
LAX
- SAN
1 stop9h 10m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/2710:20 pm
LAX
- SAN
1 stop14h 23m
Frontier
Deal found 3/29![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 6/28:27 pm
LAX
- SAN
1 stop24h 45m
Frontier
Deal found 3/31![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/212:24 pm
LAX
- SAN
1 stop10h 42m
Frontier
Deal found 3/31![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Sat 4/256:15 am
LAX
- SAN
1 stop16h 51m
Frontier
Deal found 3/29![Frontier logo]()
$83
Find flight deals from Pasadena to San Diego
Keep the following information in mind while searching for Pasadena to San Diego flight deals. Data was last updated April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $104 (Kiwi.com) |
One-way from | $54 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $194 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pasadena 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 2, 2026.
Use the filters below to find and compare flights from Pasadena to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Tue 6/2
12:02 pm-11:47 pm
2 stops11h 45m
San Diego
Mon 6/8
1:38 pm-9:25 pm
1 stop7h 47m
$196
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Tue 5/5
6:13 am-12:59 pm
1 stop6h 46m
San Diego
Tue 5/5
3:35 pm-9:14 pm
1 stop5h 39m
$217
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Sat 4/18
8:28 am-9:24 am
Nonstop0h 56m
San Diego
Sat 4/25
10:05 am-11:14 am
Nonstop1h 09m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 6/4
9:00 am-10:08 am
Nonstop1h 08m
San Diego
Sun 6/7
8:32 pm-9:45 pm
Nonstop1h 13m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 5/14
9:25 am-10:19 am
Nonstop0h 54m
San Diego
Thu 5/21
6:15 am-7:33 am
Nonstop1h 18m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 5/15
10:20 pm-11:15 pm
Nonstop0h 55m
San Diego
Mon 5/18
10:59 am-12:08 pm
Nonstop1h 09m
$239
Quickest round-trip
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Fri 5/1
8:28 am-9:24 am
Nonstop0h 56m
San Diego
Fri 5/8
3:15 pm-4:15 pm
Nonstop1h 00m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Thu 4/23
6:10 pm-7:04 pm
Nonstop0h 54m
San Diego
Sun 4/26
7:45 pm-8:50 pm
Nonstop1h 05m
$239
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Sat 4/18
8:28 am-9:24 am
Nonstop0h 56m
San Diego
Sun 4/19
7:45 pm-8:50 pm
Nonstop1h 05m
$239
Cheapest one-way
Los AngelesSan Diego
LAX - SAN
LAXSAN
Los Angeles
Tue 6/16
9:00 am-7:36 pm
2 stops10h 36m
$197
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Pasadena to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Pasadena with our price prediction graph.
LAX-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 Pasadena to San Diego
P4S-SAN
LAX-SAN
How far ahead should I book a flight from Pasadena to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from Pasadena to San Diego. Price data was last updated on April 2, 2026.
To ensure you get the cheapest price possible for a flight from Pasadena to San Diego, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Pasadena to San Diego?
Currently, April is the cheapest month in which you can book a flight from Pasadena to San Diego (average of $79). Flying from Pasadena to San Diego in January is currently the most expensive (average of $179). 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 P4S to SAN?
Find hourly flight availability from Pasadena 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 2, 2026.
It’s typically best to fly out from Pasadena to San Diego in the morning. Doing so could potentially save you 19% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Pasadena to San Diego
Explore weekly flight availability from Pasadena 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 2, 2026.
The most flights from P4S to SAN are scheduled on a Thursday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).
How much does it cost to fly round-trip from Pasadena 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 2, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andSpirit Airlines from Pasadena to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Overall
7.9
Food
7.2
Comfort
7.9
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Pasadena 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
San Diego flight routes
Top destinations
Alternative routes for Pasadena to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
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 Pasadena to San Diego by cabin class
Find flights from Pasadena to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pasadena and San Diego flights
Browse other Pasadena and San Diego flight options. Last updated on April 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2, 2026.
Pasadena to San Diego flights
Consider these flights traveling from Pasadena to San Diego.
Top 3 airlines flying from Pasadena to San Diego
Discover the top 3 airlines that operate flights from Pasadena 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$105 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$179 | Average$244 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$179 | Average$238 | FlexibilityNo cancel fee | On-timeN/A |