What are the cheapest airlines flying from San José, San José Province to San Diego round-trip?

Currently priced at $349, Delta will fly you from San José, San José Province to San Diego and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Spirit Airlines - these airlines can fly you to your destination from $370 and $388, respectively. These flights start at 39% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from San José, San José Province to San Diego one-way?

The cheapest airlines for a one-way flight from San José, San José Province to San Diego are Spirit Airlines ($197), United Airlines ($199), and Alaska Airlines ($259).

What is the cheapest day to fly from San José, San José Province to San Diego?

Travelers seeking maximum savings on their San José, San José Province to San Diego flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from San José, San José Province to San Diego?

The most popular airlines flying from San José, San José Province to San Diego are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from San José, San José Province to San Diego?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 41% on the overall cost on flights from San José, San José Province to San Diego.

How far in advance should I book a flight from San José, San José Province to San Diego?

Travelers have found it’s best to book a flight 26 days in advance to save up to 91% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 26 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from San José, San José Province to San Diego 1-2 weeks in advance for as low as $524, or $643 for flights within the next 24 hours.

What is the cheapest month to fly from San José, San José Province to San Diego?

January is one of the best times of the year to fly to San Diego from San José, San José Province. Prices for January average $574 per person but you can even find prices for as low as $308. The most expensive prices can be found in the month of September. Opting for a January flight can save you 15% on your journey compared to booking in September

Most accurate provider : When it comes to deals on San José, San José Province-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José, San José Province-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José, San José Province-San Diego flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on San José, San José Province-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 San José, San José Province-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from San José to San Diego?

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

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

Yes. Cheapflights offers flight deals from San José 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.

$197+ Flights from San José to San Diego

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from San José Juan Santamaria Intl to San Diego are usually found in January or August, booked 25 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from San José to San Diego

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$349 (Delta)
One-way from	$197 (Priceline)
Popular in	September
Cheapest in	January
Average price	$578

Provider with most accurate pricing for San José Juan Santamaria Intl-San Diego flight deals.

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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-San Diego flights.

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From San José Juan Santamaria Intl to San Diego

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One-way flight from San José Juan Santamaria Intl to San Diego

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from San José to San Diego

Cheapest flights from San José to San Diego
Explore the most affordable flight options available from San José to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Fri 9/51:08 pmSJO - SAN

1 stop10h 38mDelta

Mon 9/159:40 pmSAN - SJO

1 stop13h 13mDelta

Deal found 4/2

$349

Fri 9/52:20 pmSJO - SAN

2 stops18h 49mAmerican Airlines

Mon 9/152:54 pmSAN - SJO

1 stop21h 11mAmerican Airlines

Deal found 4/2

$370

Mon 4/2112:55 amSJO - SAN

2 stops24h 47mSpirit Airlines

Fri 4/259:08 pmSAN - SJO

2 stops12h 16mSpirit Airlines

Deal found 4/2

$388

Tue 5/131:30 pmSJO - SAN

1 stop27h 57mUnited Airlines

Mon 5/193:10 pmSAN - SJO

1 stop27h 27mUnited Airlines

Deal found 4/2

$414

Tue 5/132:29 pmSJO - SAN

2 stops17h 44mMultiple Airlines

Mon 5/199:52 pmSAN - SJO

1 stop11h 35mMultiple Airlines

Deal found 4/2

$420

Tue 5/271:06 amSJO - SAN

2 stops17h 46mAlaska Airlines

Sat 5/316:15 amSAN - SJO

2 stops16h 31mAlaska Airlines

Deal found 4/3

$458

Wed 10/158:46 amSJO - SAN

1 stop10h 11mCopa Airlines

Wed 10/229:07 pmSAN - SJO

1 stop18h 15mCopa Airlines

Deal found 4/2

$488

Sat 4/51:35 pmSJO - SAN

1 stop10h 40mSouthwest

Mon 4/76:45 amSAN - SJO

1 stop11h 55mSouthwest

Deal found 4/2

$660

Sat 4/58:06 amSJO - SAN

2 stops14h 21mAeromexico

Sun 4/610:55 amSAN - SJO

2 stops24h 04mAeromexico

Deal found 4/2

$775

Thu 10/168:00 pmSJO - SAN

3 stops22h 49mAvianca

Mon 10/2010:45 amSAN - SJO

2 stops11h 30mAvianca

Deal found 4/2

$979

Best flights from San José to San Diego
Discover carefully curated flight deals from San José to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2025.

Fri 9/51:08 pmSJO - SAN

1 stop10h 38mDelta

Mon 9/159:40 pmSAN - SJO

1 stop13h 13mDelta

Deal found 4/2

$349

Fri 9/52:20 pmSJO - SAN

2 stops18h 49mAmerican Airlines

Mon 9/152:54 pmSAN - SJO

1 stop21h 11mAmerican Airlines

Deal found 4/2

$370

Mon 4/2112:55 amSJO - SAN

2 stops24h 47mSpirit Airlines

Fri 4/259:08 pmSAN - SJO

2 stops12h 16mSpirit Airlines

Deal found 4/2

$388

Tue 5/131:30 pmSJO - SAN

1 stop27h 57mUnited Airlines

Mon 5/193:10 pmSAN - SJO

1 stop27h 27mUnited Airlines

Deal found 4/2

$414

Tue 5/132:29 pmSJO - SAN

2 stops17h 44mMultiple Airlines

Mon 5/199:52 pmSAN - SJO

1 stop11h 35mMultiple Airlines

Deal found 4/2

$420

Tue 5/271:06 amSJO - SAN

2 stops17h 46mAlaska Airlines

Sat 5/316:15 amSAN - SJO

2 stops16h 31mAlaska Airlines

Deal found 4/3

$458

Sat 9/68:00 pmSJO - SAN

3 stops28h 44mAvianca

Sun 9/148:37 pmSAN - SJO

2 stops13h 38mAvianca

Deal found 4/2

$1,061

Last-minute flights from San José to San Diego
Discover last-minute flight deals from San José to San Diego. Data last updated April 3, 2025 and is based on user searches.

Sat 4/58:45 amSJO - SAN

2 stops14h 00mSouthwest

Mon 4/76:45 amSAN - SJO

1 stop11h 55mSouthwest

Deal found 4/2

$660

Sat 4/58:06 amSJO - SAN

2 stops14h 21mAeromexico

Sun 4/610:55 amSAN - SJO

2 stops24h 04mAeromexico

Deal found 4/2

$775

Tue 4/81:22 amSJO - SAN

2 stops19h 10mAlaska Airlines

Wed 4/166:15 amSAN - SJO

2 stops16h 57mAlaska Airlines

Deal found 4/2

$767

Wed 4/912:23 pmSJO - SAN

2 stops23h 02mSpirit Airlines

Wed 4/169:08 pmSAN - SJO

2 stops12h 16mSpirit Airlines

Deal found 4/2

$484

Wed 4/911:13 amSJO - SAN

1 stop11h 09mUnited Airlines

Wed 4/163:05 pmSAN - SJO

1 stop20h 21mUnited Airlines

Deal found 4/2

$586

Sun 4/135:30 amSJO - SAN

3 stops44h 12mMultiple Airlines

Thu 4/176:15 amSAN - SJO

3 stops27h 09mMultiple Airlines

Deal found 4/2

$555

Mon 4/2112:55 amSJO - SAN

2 stops24h 47mSpirit Airlines

Fri 4/259:08 pmSAN - SJO

2 stops12h 16mSpirit Airlines

Deal found 4/2

$388

Tue 4/226:05 amSJO - SAN

1 stop17h 33mAmerican Airlines

Fri 4/2512:48 pmSAN - SJO

1 stop8h 16mAmerican Airlines

Deal found 4/2

$472

Tue 5/131:30 pmSJO - SAN

1 stop27h 57mUnited Airlines

Mon 5/193:10 pmSAN - SJO

1 stop27h 27mUnited Airlines

Deal found 4/2

$414

Tue 5/132:29 pmSJO - SAN

2 stops17h 44mMultiple Airlines

Mon 5/199:52 pmSAN - SJO

1 stop11h 35mMultiple Airlines

Deal found 4/2

$420

Tue 5/271:06 amSJO - SAN

2 stops17h 46mAlaska Airlines

Sat 5/316:15 amSAN - SJO

2 stops16h 31mAlaska Airlines

Deal found 4/3

$458

Wed 5/286:10 amSJO - SAN

2 stops18h 31mAvianca

Sun 6/16:15 amSAN - SJO

3 stops16h 20mAvianca

Deal found 4/2

$1,187

One-way flights from San José to San Diego
Search for one-way flight options from San José to San Diego. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Wed 5/2111:32 amSJO - SAN

2 stops20h 41mSpirit Airlines

Deal found 4/2

$197

Wed 9/108:37 amSJO - SAN

1 stop29h 15mUnited Airlines

Deal found 4/2

$199

Tue 5/203:07 pmSJO - SAN

2 stops17h 06mMultiple Airlines

Deal found 4/2

$219

Sun 5/181:06 amSJO - SAN

2 stops41h 46mAlaska Airlines

Deal found 4/2

$259

Thu 5/2212:27 pmSJO - SAN

2 stops26h 09mAmerican Airlines

Deal found 4/2

$282

Sat 5/38:06 amSJO - SAN

2 stops15h 43mAeromexico

Deal found 4/2

$359

Sat 5/38:00 pmSJO - SAN

3 stops28h 59mAvianca

Deal found 4/2

$576

Cheapflights Fare Finder

Use the filters below to find and compare flights from San José to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 9/5

1:08 pm-10:46 pm

1 stop10h 38m

San Diego

Mon 9/15

9:40 pm-11:53 am

1 stop13h 13m

$349

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 9/5

2:20 pm-8:09 am

2 stops18h 49m

San Diego

Mon 9/15

2:54 pm-1:05 pm

1 stop21h 11m

$370

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 4/21

12:55 am-12:42 am

2 stops24h 47m

San Diego

Fri 4/25

9:08 pm-10:24 am

2 stops12h 16m

$388

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Tue 5/13

1:30 pm-4:27 pm

1 stop27h 57m

San Diego

Mon 5/19

3:10 pm-7:37 pm

1 stop27h 27m

$414

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Tue 5/13

2:29 pm-7:13 am

2 stops17h 44m

San Diego

Mon 5/19

9:52 pm-10:27 am

1 stop11h 35m

$420

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Tue 5/27

1:06 am-5:52 pm

2 stops17h 46m

San Diego

Sat 5/31

6:15 am-11:46 pm

2 stops16h 31m

$458

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Sat 9/6

8:00 pm-11:44 pm

3 stops28h 44m

San Diego

Sun 9/14

8:37 pm-11:15 am

2 stops13h 38m

$1,061

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 5/21

11:32 am-7:13 am

2 stops20h 41m

$197

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 9/10

8:37 am-12:52 pm

1 stop29h 15m

$199

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Tue 5/20

3:07 pm-7:13 am

2 stops17h 06m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 14 results

Compare providers for flights from San José to San Diego

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San José to San Diego in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	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 San José, San José Province-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San José, San José Province-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José, San José Province-San Diego flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on San José, San José Province-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 San José, San José Province-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 San José to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from San José 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 San José to San Diego

How far ahead should I book a flight from San José, San José Province to San Diego?

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from San José, San José Province 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 San José, San José Province to San Diego?

Currently, August is the cheapest month in which you can book a flight from San José, San José Province to San Diego (average of $286). Flying from San José, San José Province 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 SJO to SAN?

When flying from San José, San José Province to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 25% versus a flight in the evening.

Rainfall in San Diego by month

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Aeromexico from San José to San Diego to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,825 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines

8.0

Very good

9,825 reviews

Alaska Airlines

8.0

Very good

9,825 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta

8.0

Very good

7,897 reviews

Alaska Airlines

8.0

Very good

9,825 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Aeromexico

7.5

Good

1,701 reviews

Alaska Airlines

8.0

Very good

9,825 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines

7.4

Good

8,619 reviews

Alaska Airlines

8.0

Very good

9,825 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,825 reviews

Reviews

1 / 20

10.0

Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

What are the cheapest airlines flying from San José, San José Province to San Diego round-trip?
Currently priced at $349, Delta will fly you from San José, San José Province to San Diego and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Spirit Airlines - these airlines can fly you to your destination from $370 and $388, respectively. These flights start at 39% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from San José, San José Province to San Diego one-way?
The cheapest airlines for a one-way flight from San José, San José Province to San Diego are Spirit Airlines ($197), United Airlines ($199), and Alaska Airlines ($259).
Can I find deals for flights from San José to San Diego that include hotel bookings?
Yes. In addition to deals on San José to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San José to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to San Diego.
Can I find deals for business class flights from San José to San Diego?
Yes. Cheapflights offers flight deals from San José 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 San José, San José Province to San Diego?
Currently, August is the cheapest month in which you can book a flight from San José, San José Province to San Diego (average of $286). Flying from San José, San José Province 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

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Other flights to San Diego

Top 4 airlines flying from San José to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$354	Average$565	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$398	Average$522	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$451	Average$587	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$498	Average$596	FlexibilityNo cancel fee	On-time63%

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$197+ Cheap flights from San José (SJO) 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San José to San Diego with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San José Juan Santamaria Intl to San Diego are usually found in January or August, booked 25 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from San José to San Diego

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San José to San Diego

Cheapest flights from San José to San DiegoExplore the most affordable flight options available from San José to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Explore the most affordable flight options available from San José to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San José to San Diego that are best for you.

Compare providers for flights from San José 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 San José to San Diego in April.

Best time to book a flight from San José to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from San José with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from San José, San José Province to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from San José to San Diego. Price data was last updated on March 28, 2025.

What is the cheapest month to book a flight from San José, San José Province to San Diego?

What is the cheapest time of day to fly from SJO to SAN?

Find hourly flight availability from San José 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 3, 2025.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

Reviews of airlines servicing San Diego

Related info for your journey

Find useful and relevant information for your journey from San José 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 are the cheapest airlines flying from San José, San José Province to San Diego round-trip?

What are the cheapest airlines to fly from San José, San José Province to San Diego one-way?

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

How can I find direct flights from San José to San Diego?

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

What is the cheapest month to book a flight from San José, San José Province to San Diego?

Traveling to a place near San José?

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Alternative routes for San José to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from San José to San Diego

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Cheapest flights from San José to San Diego
Explore the most affordable flight options available from San José to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.