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$34+ Cheap flights from Oakland, CA to San Diego (OAK - 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SAN
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Oakland to San Diego are usually found in October or September, booked 67 days in advance, depart on a Monday or Thursday and return on a Thursday

Cheap flight deals from Oakland to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2025.

Round-trip from

$78
(Kiwi.com)

One-way from

$34
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$171

Good round-trip deal

$111 or less

Good one-way deal

$51 or less
From Oakland to San Diego
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One-way flight from Oakland to San Diego
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Oakland to San Diego.
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Price to beat on a one-way flight from Oakland to San Diego.
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Find flight deals from Oakland to San Diego

Cheapest flights from Oakland to San Diego
Explore the most affordable flight options available from Oakland to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/112:38 pmOAK - SAN
Nonstop1h 40mSpirit Airlines
Thu 8/147:01 pmSAN - OAK
1 stop4h 26mSpirit Airlines
Deal found 7/26$78
This Southwest deal was found by Cheapflights users on 7/28. 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.
Sat 8/236:55 pmOAK - SAN
Nonstop1h 35mSouthwest
Sat 8/308:15 amSAN - OAK
2 stops6h 50mSouthwest
Deal found 7/28$112

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland 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 July 28, 2025.
Use the filters below to find and compare flights from Oakland to San Diego that are best for you.

Fly from

Oakland

Fly to

San Diego

Route

Depart

Return

Price

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Mon 8/11

2:38 pm-4:18 pm

Nonstop1h 40m

San Diego

Thu 8/14

7:01 pm-11:27 pm

1 stop4h 26m

$78

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Sat 8/23

6:55 pm-8:30 pm

Nonstop1h 35m

San Diego

Sat 8/30

8:15 am-3:05 pm

2 stops6h 50m

$112

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Mon 8/25

10:44 am-12:17 pm

Nonstop1h 33m

$34

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Thu 8/21

7:40 am-9:10 am

Nonstop1h 30m

$39

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Sat 8/30

4:58 pm-10:39 pm

1 stop5h 41m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

The best insider tips for Oakland to San Diego flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Oakland to San Diego trip
Airports
OAK

For a smooth departure, OAK offers quick security lines, especially compared to SFO. Allocate extra time during Monday mornings and Thursday afternoons.

Read more about OAKby Bill Fink
SAN

SAN is just three miles from downtown. Consider taxis or rideshare for quick access, but plan for potential traffic congestion.

Read more about SANby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Bill Fink

Bill Fink

Expert on OAK

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more

Best time to book a flight from Oakland to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oakland to San Diego

How far ahead should I book a flight from Oakland, California to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Oakland to San Diego. Price data was last updated on July 25, 2025.

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oakland, California to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Oakland, California to San Diego?

Currently, August is the cheapest month in which you can book a flight from Oakland, California to San Diego (average of $286). Flying from Oakland, California to San Diego in March is currently the most expensive (average of $366). 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 OAK to SAN?

Find hourly flight availability from Oakland 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 July 28, 2025.

It’s typically best to fly out from Oakland, California to San Diego at noon. Doing so could potentially save you 48% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Oakland, California to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Oakland to San Diego. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Oakland, California to San Diego flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Oakland, California to San Diego

Explore weekly flight availability from Oakland 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 July 28, 2025.

The most flights from OAK to SAN are scheduled on a Sunday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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 July 28, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and Spirit Airlines from Oakland 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.
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,971 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Spirit Airlines
6.3
Okay
8,034 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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

  • What airports do I use to fly from Oakland to San Diego?

    You will need to book a flight from Oakland to San Diego if you want to fly from Oakland to San Diego. At least 5 different airlines have flights from Oakland (OAK) to San Diego (SAN) on a regular basis. There are 7 flights to San Diego from the Oakland airport per day. If you manage to book one that is nonstop, then you can expect the flight time from OAK to SAN to be around 1h 30m.

  • How popular is this Oakland, California to San Diego flight route?

    This flight path from Oakland to San Diego was viewed by 48 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Oakland, California to San Diego round-trip?

    Flying on Spirit Airlines is currently your cheapest option to San Diego, with prices starting at $78. Another option worth looking into is Southwest, starting at $112 round trip. You may be able to fly from Oakland, California to San Diego for 50% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Oakland, California to San Diego one-way?

    One-way options have recently been found by users for as low as $34 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $39 and Delta from $84 one-way.

  • What are the cheapest flights from Oakland, California to San Diego?

    Looking for the cheapest flight from Oakland, California to San Diego? While on average our users pay $124, our data indicates the cheapest price to be $28. The most popular route (Oakland - San Diego), is priced around $47.

  • Can I find deals for flights from Oakland to San Diego that include hotel bookings?

    Yes. In addition to deals on Oakland to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to San Diego?

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

  • Can I find deals for business class flights from Oakland to San Diego?

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

  • What is the cheapest month to book a flight from Oakland, California to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Oakland, California to San Diego (average of $286). Flying from Oakland, California to San Diego in March is currently the most expensive (average of $366). 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
Poway
National City
Lemon Grove
Imperial Beach
La Mesa
Alpine
Santee

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Top 5 airlines flying from Oakland to San Diego

Discover the top 5 airlines that operate flights from Oakland 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$27Average$95FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$48Average$110FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$58Average$307FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$77Average$179FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$120Average$246FlexibilityNo cancel feeOn-time63%

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