$34+ Cheap flights from San Diego (SAN) to Palo Alto, CA
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Diego to Palo Alto 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 San Diego to Palo Alto are usually found in January or February, booked 37 days in advance, depart on a Friday or Thursday and return on a Saturday
Cheap flight deals from San Diego to Palo Alto
Keep the following information in mind while searching for San Diego to Palo Alto flight deals. Data was last updated April 30, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $57 (United Airlines) |
One-way from | $34 (CheapOair) |
Popular in | August |
Cheapest in | January |
Average price | $132 |
Find flight deals from San Diego to Palo Alto
Cheapest flights from San Diego to Palo AltoExplore the most affordable flight options available from San Diego to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from San Diego to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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.
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/28. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Palo Alto 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 30, 2025.
Use the filters below to find and compare flights from San Diego to Palo Alto that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Fri 5/16
5:58 pm-7:43 pm
Nonstop1h 45m
San Francisco
Sun 5/18
7:15 am-8:51 am
Nonstop1h 36m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Mon 5/12
8:32 am-10:23 am
Nonstop1h 51m
San Francisco
Mon 5/19
5:49 pm-7:31 pm
Nonstop1h 42m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Fri 5/9
6:15 am-8:02 am
Nonstop1h 47m
San Francisco
Tue 5/13
8:30 am-10:05 am
Nonstop1h 35m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 6/4
6:15 am-7:59 am
Nonstop1h 44m
San Francisco
Wed 6/11
1:55 pm-5:52 pm
1 stop3h 57m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 5/21
7:57 pm-9:38 pm
Nonstop1h 41m
San Francisco
Sat 5/24
1:37 pm-3:17 pm
Nonstop1h 40m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Tue 6/10
6:10 pm-11:10 pm
1 stop5h 00m
San Francisco
Tue 6/17
5:25 am-11:20 am
1 stop5h 55m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 6/4
10:00 am-4:03 pm
1 stop6h 03m
San Francisco
Wed 6/11
9:15 am-3:24 pm
1 stop6h 09m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Fri 5/16
7:18 pm-12:20 am
1 stop5h 02m
San Francisco
Mon 5/19
6:05 am-9:21 am
1 stop3h 16m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Thu 5/29
5:22 pm-7:09 pm
Nonstop1h 47m
San DiegoSan Francisco
SAN - SFO
SANSFO
San Diego
Wed 5/7
8:00 am-9:47 am
Nonstop1h 47m
Best time to book a flight from San Diego to Palo Alto
Have a flexible travel schedule? Discover the best time to fly to Palo Alto from San Diego with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Palo Alto
How far ahead should I book a flight from San Diego to Palo Alto?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Palo Alto. Price data was last updated on April 25, 2025.
The best time to book flights from San Diego to Palo Alto is 37 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 San Diego to Palo Alto?
Currently, January is the cheapest month in which you can book a flight from San Diego to Palo Alto (average of $276). Flying from San Diego to Palo Alto in June is currently the most expensive (average of $393). 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 SAN to P4L?
Find hourly flight availability from San Diego to Palo Alto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Diego to Palo Alto as you normally would.
What is the cheapest day to fly from San Diego to Palo Alto?
Use this chart to determine the cheapest time to fly round-trip from San Diego to Palo Alto. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Diego to Palo Alto flight should consider departing on Friday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Diego to Palo Alto
Explore weekly flight availability from San Diego to Palo Alto. 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 30, 2025.
The most flights from SAN to P4L are scheduled on a Tuesday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).
Rainfall in Palo Alto by month
Plan your trip to Palo Alto by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Palo Alto ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Palo Alto when rainfall is around 0.0 in.
Temperature in Palo Alto by month
Plan your trip to Palo Alto by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Palo Alto, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing Palo Alto
Get insights into the airlines that provide service to Palo Alto. 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 Palo Alto. Reviews last updated April 30, 2025.
To help decide which airline to fly from San Diego to Palo Alto, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
James,Apr 2025
LAX - SFO
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
James,Apr 2025
LAX - SFO
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
James,Apr 2025
LAX - SFO
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
James,Apr 2025
LAX - SFO
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
James,Apr 2025
LAX - SFO
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from San Diego to Palo Alto. 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 San Diego to Palo Alto
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from San Diego to Palo Alto
Discover the top 9 airlines that operate flights from San Diego to Palo Alto. 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 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$27 | Average$72 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$27 | Average$103 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$28 | Average$127 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$56 | Average$237 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$57 | Average$200 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$88 | Average$246 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$97 | Average$199 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$401 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$180 | Average$196 | FlexibilityNo cancel fee | On-timeN/A |