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$79+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SAN
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Find cheap flights from Oakland to San Diego with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Oakland to San Diego are usually found in July or June, booked 89 days in advance, depart on a Monday or Wednesday and return on a Thursday

Cheap 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 April 1, 2026.

This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:25 pm
OAK
-
SAN
Nonstop1h 30m
Southwest
Tue 5/53:05 pm
SAN
-
OAK
1 stop5h 15m
Southwest
Deal found 3/31$127
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:45 am
OAK
-
SAN
2 stops5h 55m
Southwest
Tue 4/288:20 pm
SAN
-
OAK
Nonstop1h 35m
Southwest
Deal found 3/31$132
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.
Sat 5/26:46 am
OAK
-
SAN
Nonstop1h 29m
Alaska Airlines
Sat 5/24:37 pm
SAN
-
OAK
Nonstop1h 38m
Alaska Airlines
Deal found 3/31$137
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/266:41 am
OAK
-
SAN
Nonstop1h 29m
Alaska Airlines
Tue 4/285:01 pm
SAN
-
OAK
Nonstop1h 38m
Alaska Airlines
Deal found 3/27$147
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:37 am
OAK
-
SAN
Nonstop1h 36m
Alaska Airlines
Tue 8/2512:40 pm
SAN
-
OAK
Nonstop1h 40m
Alaska Airlines
Deal found 3/31$152
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.
Wed 5/65:04 pm
OAK
-
SAN
1 stop6h 38m
Delta
Wed 5/135:01 pm
SAN
-
OAK
1 stop6h 56m
Delta
Deal found 3/31$157
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:46 am
OAK
-
SAN
Nonstop1h 29m
Alaska Airlines
Mon 4/278:39 am
SAN
-
OAK
Nonstop1h 38m
Alaska Airlines
Deal found 3/30$162
This CheapOair deal was found by Cheapflights users on 3/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:02 am
OAK
-
SAN
Nonstop1h 33m
Alaska Airlines
Sun 5/3110:15 pm
SAN
-
OAK
Nonstop1h 35m
Alaska Airlines
Deal found 3/27$163
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:05 pm
OAK
-
SAN
1 stop5h 05m
Southwest
Thu 5/147:20 am
SAN
-
OAK
Nonstop1h 35m
Southwest
Deal found 3/30$164
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:41 am
OAK
-
SAN
Nonstop1h 29m
Alaska Airlines
Sat 4/251:00 pm
SAN
-
OAK
Nonstop1h 38m
Alaska Airlines
Deal found 3/28$167
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/273:18 pm
OAK
-
SAN
Nonstop1h 29m
Alaska Airlines
Mon 5/48:39 am
SAN
-
OAK
Nonstop1h 38m
Alaska Airlines
Deal found 3/29$169

Find 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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Southwest)

One-way from

$79
(Delta)

Popular in

January

Cheapest in

July

Average price

$186

Good round-trip deal

$216 or less

Good one-way deal

$173 or less
Provider with most accurate pricing for Oakland-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oakland-San Diego flights.
Search Deals
From Oakland to San Diego
Search Deals
One-way flight from Oakland to San Diego
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Oakland to San Diego.
Search Deals
Price to beat on a one-way flight from Oakland to San Diego.
Search Deals

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 April 1, 2026.
Use the filters below to find and compare flights from Oakland to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Tue 4/28

10:45 am-4:40 pm

2 stops5h 55m

San Diego

Tue 4/28

8:20 pm-9:55 pm

Nonstop1h 35m

$132

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Sat 4/25

5:20 pm-11:25 pm

2 stops6h 05m

San Diego

Wed 4/29

1:55 pm-3:30 pm

Nonstop1h 35m

$132

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Thu 5/7

3:18 pm-4:47 pm

Nonstop1h 29m

San Diego

Tue 5/12

1:00 pm-2:38 pm

Nonstop1h 38m

$147
Quickest round-trip

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Sat 4/25

4:30 pm-6:00 pm

Nonstop1h 30m

San Diego

Sun 4/26

7:05 am-8:40 am

Nonstop1h 35m

$162

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Mon 4/27

3:50 pm-5:20 pm

Nonstop1h 30m

San Diego

Mon 5/4

5:20 pm-10:45 pm

2 stops5h 25m

$192

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Fri 4/17

6:05 am-7:35 am

Nonstop1h 30m

San Diego

Mon 4/20

5:20 pm-10:45 pm

2 stops5h 25m

$218

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Thu 4/30

3:50 pm-5:20 pm

Nonstop1h 30m

San Diego

Thu 5/7

3:50 pm-8:00 pm

1 stop4h 10m

$222

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Fri 7/3

8:30 pm-10:00 pm

Nonstop1h 30m

San Diego

Tue 7/7

4:25 pm-10:05 pm

1 stop5h 40m

$242

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Thu 4/30

6:05 am-7:35 am

Nonstop1h 30m

San Diego

Mon 5/4

6:55 pm-12:05 am

1 stop5h 10m

$242

OaklandSan Diego

OAK - SAN

OAKSAN

Oakland

Thu 4/16

8:30 pm-10:00 pm

Nonstop1h 30m

San Diego

Mon 4/20

5:20 pm-10:45 pm

2 stops5h 25m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Oakland to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oakland to San Diego in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oakland, California-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oakland, California-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oakland, California-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 13, 2026.

Booking 89 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, May is the cheapest month in which you can book a flight from Oakland, California to San Diego (average of $33). Flying from Oakland, California to San Diego in February is currently the most expensive (average of $97). 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 April 1, 2026.

It’s typically best to fly out from Oakland, California to San Diego at noon. Doing so could potentially save you 32% on the flight price compared to flying in the afternoon, 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 March 28, 2026.

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. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Oakland, California to San Diego?

The best insider tips for Oakland to San Diego flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Oakland to San Diego trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

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 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

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 1, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andUnited 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
4,335 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,335 reviews
Southwest
8.0
Very good
4,335 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Alaska Airlines
7.9
Good
12,145 reviews
Southwest
8.0
Very good
4,335 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
United Airlines
7.4
Good
9,529 reviews
Southwest
8.0
Very good
4,335 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Spirit Airlines
6.3
Okay
8,572 reviews
Southwest
8.0
Very good
4,335 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.7
Fair
3,006 reviews
Southwest
8.0
Very good
4,335 reviews

Crew

8.6

Overall

8.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 6 different airlines have flights from Oakland (OAK) to San Diego (SAN) on a regular basis. There are 5 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 29m.

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

    This flight path from Oakland to San Diego was viewed by 43 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Oakland, California to San Diego?

    A quick flight from Oakland, California to San Diego can take about 1h 29m. Southwest provides one of the quickest options available for as low as $147. Oakland, California and San Diego are separated by a distance of 445 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Flying on Frontier is currently your cheapest option to San Diego, with prices starting at $38. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and United Airlines, with the lowest prices starting at $47 and $58, respectively. You may be able to fly from Oakland, California to San Diego for 83% 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 $24 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $36 and Alaska Airlines from $48 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 $678, our data indicates the cheapest price to be $78. The most popular route (Oakland - San Diego), is priced around $117.

  • 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, May is the cheapest month in which you can book a flight from Oakland, California to San Diego (average of $33). Flying from Oakland, California to San Diego in February is currently the most expensive (average of $97). 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
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove

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Alternative routes for Oakland to San Diego

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Top 6 airlines flying from Oakland to San Diego

Discover the top 6 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 April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$146FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$47Average$120FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$58Average$147FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$77Average$207FlexibilityNo cancel feeOn-time75%
DeltaCheapest$98Average$189FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$109Average$253FlexibilityNo cancel feeOn-time63%

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