$29 Cheap Flights from Oakland (OAK) to San Diego (SAN)

View $29 flight on Mon, Aug 25, 2025Opens in a new window

Popular airlines from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)

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Cheap Flights from Oakland to San Diego (OAK-SAN)

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Aug 13 - Sat, Aug 16
OAK
Oakland
SAN
San Diego
$58 Roundtrip, just found
$58
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Aug 13 from Oakland to San Diego, returning Sat, Aug 16, priced at $58 just found
Spirit Airlines
Fri, Aug 29 - Wed, Sep 3
OAK
Oakland
SAN
San Diego
$65 Roundtrip, just found
$65
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Aug 29 from Oakland to San Diego, returning Wed, Sep 3, priced at $65 just found
Spirit Airlines
Thu, Aug 14 - Sat, Aug 16
OAK
Oakland
SAN
San Diego
$77 Roundtrip, just found
$77
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Aug 14 from Oakland to San Diego, returning Sat, Aug 16, priced at $77 just found
Spirit Airlines
Mon, Aug 18 - Wed, Aug 20
OAK
Oakland
SAN
San Diego
$79 Roundtrip, found 2 hours ago
$79
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Mon, Aug 18 from Oakland to San Diego, returning Wed, Aug 20, priced at $79 found 2 hours ago
Spirit Airlines
Fri, Sep 5 - Thu, Sep 11
OAK
Oakland
SAN
San Diego
$84 Roundtrip, just found
$84
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Sep 5 from Oakland to San Diego, returning Thu, Sep 11, priced at $84 just found
Spirit Airlines
Wed, Aug 6 - Wed, Aug 13
OAK
Oakland
SAN
San Diego
$86 Roundtrip, just found
$86
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Aug 6 from Oakland to San Diego, returning Wed, Aug 13, priced at $86 just found
Southwest Airlines
Wed, Oct 1 - Tue, Oct 7
OAK
Oakland
SAN
San Diego
$97 Roundtrip, just found
$97
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Oct 1 from Oakland to San Diego, returning Tue, Oct 7, priced at $97 just found
Delta
Wed, Sep 3 - Wed, Sep 10
OAK
Oakland
SAN
San Diego
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Delta flight, departing Wed, Sep 3 from Oakland to San Diego, returning Wed, Sep 10, priced at $167 just found
Alaska Airlines
Tue, Sep 16 - Sat, Sep 20
OAK
Oakland
SAN
San Diego
$242 Roundtrip, found 2 hours ago
$242
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Oakland to San Diego, returning Sat, Sep 20, priced at $242 found 2 hours ago
Hawaiian Airlines
Mon, Sep 22 - Wed, Oct 8
OAK
Oakland
SAN
San Diego
$292 Roundtrip, just found
$292
Roundtrip
just found
Select Hawaiian Airlines flight, departing Mon, Sep 22 from Oakland to San Diego, returning Wed, Oct 8, priced at $292 just found

Find the cheapest month to fly from Oakland (OAK) to San Diego (SAN)

August is typically the cheapest month to fly

From $40 - $111 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city center is 26 minutes. Flights from $406
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $406
Flights from Oakland (OAK) to San Diego (SAN)
Origin airport
Oakland Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, Southwest Airlines, Spirit Airlines
Roundtrip price
$58
Distance
445 mi
Average flight time
1 hour 30 mins

Oakland to San Diego Flights

The cheapest times to fly from Oakland to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Oakland to San Diego are during the month of August. You can find some of the cheapest flights from Oakland to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oakland to San Diego

Sunday is one of the best days to book for cheap flights from Oakland to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Oakland to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Oakland to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $29 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Oakland to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Oakland to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN) cost?
You can land cheap return flights from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN) starting from $57. Book a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving OAK on August 5 2025 and touching down at SAN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from OAK to SAN?
The cheapest flights from OAK to SAN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)?
If you're departing from Oakland Intl. Airport (OAK), you can catch a nonstop flight to San Diego Intl. Airport (SAN) with Southwest Airlines.
What is the cheapest airline that flies from OAK to SAN?
With tickets starting at $29 for a one-way journey from OAK to SAN, Southwest Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from OAK on August 12 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)?
With an average of 7 nonstop flights departing from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN) daily, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)?
The 1 PM departures from OAK to SAN are typically the busiest. Prices can be higher for these popular slots. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from OAK to SAN?
If you jet off on a Friday, you'll get the biggest range of choices for flights from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN).
What is the earliest flight from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)?
Oakland Intl. Airport (OAK)'s earliest flight to San Diego Intl. Airport (SAN) takes off at approximately 6:10AM UTC-8. With a total flight time of 1h 30m, you'll touch down at around 7:40AM UTC-8.
How long does it take to fly from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)?
Flights from OAK to SAN have an average travel time of 1 hour and 29 minutes. The total distance between these two airports is 450 mi.
What is the best time to fly from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)?
Select a flight from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego from Oakland Intl. Airport (OAK)?
If you're on a direct flight from Oakland Intl. Airport (OAK) to San Diego, San Diego Intl. Airport (SAN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN) last-minute?
Waiting until right before your break to book a flight from OAK to SAN often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book an OAK to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking an OAK to SAN flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Oakland Intl. Airport (OAK) to San Diego Intl. Airport (SAN)?
If you booked your OAK to SAN flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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Oakland nearby Airports

San Francisco

San Francisco Intl. to San Diego
$70.95

San Jose

Norman Y. Mineta San Jose Intl. to San Diego
$91.29
*Available to One Key members.