HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$221+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SAN
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San José to San Diego 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.

Cheap 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 23, 2026.

This Copa Airlines deal was found by Cheapflights users on 4/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:03 am
SJO
-
SAN
1 stop9h 27m
Copa Airlines
Mon 8/318:58 pm
SAN
-
SJO
1 stop18h 51m
Copa Airlines
Deal found 4/20$380
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/87:55 am
SJO
-
SAN
1 stop10h 58m
United Airlines
Tue 5/268:32 pm
SAN
-
SJO
2 stops12h 39m
United Airlines
Deal found 4/22$392
This Copa Airlines deal was found by Cheapflights users on 4/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:10 am
SJO
-
SAN
1 stop15h 20m
Copa Airlines
Fri 8/218:58 pm
SAN
-
SJO
1 stop15h 53m
Copa Airlines
Deal found 4/20$397
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 7/163:19 pm
SJO
-
SAN
1 stop20h 53m
American Airlines
Wed 7/227:15 am
SAN
-
SJO
1 stop14h 23m
American Airlines
Deal found 4/21$398
This BusinessClass deal was found by Cheapflights users on 4/20. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:05 pm
SJO
-
SAN
2 stops20h 44m
GOL
Mon 9/2110:54 pm
SAN
-
SJO
2 stops18h 36m
GOL
Deal found 4/20$399
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Wed 4/298:45 am
SJO
-
SAN
1 stop26h 13m
United Airlines
Wed 5/67:40 pm
SAN
-
SJO
2 stops22h 57m
United Airlines
Deal found 4/22$400
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 4/258:45 am
SJO
-
SAN
1 stop12h 54m
United Airlines
Mon 5/117:40 pm
SAN
-
SJO
1 stop10h 35m
United Airlines
Deal found 4/22$405
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 12/1912:34 am
SJO
-
SAN
1 stop10h 01m
American Airlines
Wed 12/307:14 am
SAN
-
SJO
1 stop13h 31m
American Airlines
Deal found 4/21$406
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 5/176:00 am
SJO
-
SAN
1 stop18h 59m
United Airlines
Sun 5/241:39 pm
SAN
-
SJO
1 stop16h 36m
United Airlines
Deal found 4/20$409
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 4/256:40 am
SJO
-
SAN
2 stops13h 00m
United Airlines
Mon 4/278:37 pm
SAN
-
SJO
2 stops12h 34m
United Airlines
Deal found 4/21$411
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 10/11:25 pm
SJO
-
SAN
1 stop9h 00m
United Airlines
Tue 10/68:00 am
SAN
-
SJO
1 stop27h 21m
United Airlines
Deal found 4/22$413
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Wed 7/2211:13 am
SJO
-
SAN
2 stops13h 41m
United Airlines
Tue 8/411:01 am
SAN
-
SJO
1 stop19h 14m
United Airlines
Deal found 4/20$414

Find flight deals from San José to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$380
(Copa Airlines)

One-way from

$221
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$434
Provider with most accurate pricing for San José Juan Santamaria Intl-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-San Diego flights.
Search Deals
From San José Juan Santamaria Intl to San Diego
Search Deals
One-way flight from San José Juan Santamaria Intl to San Diego
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San José 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 23, 2026.
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

Cheapest round-trip

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 8/24

10:03 am-6:30 pm

1 stop9h 27m

San Diego

Mon 8/31

8:58 pm-4:49 pm

1 stop18h 51m

$380

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 5/8

4:10 am-6:30 pm

1 stop15h 20m

San Diego

Sun 5/10

10:00 pm-7:09 am

1 stop8h 09m

$397

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 5/13

8:14 am-6:30 pm

1 stop11h 16m

San Diego

Wed 5/27

10:00 pm-2:04 pm

1 stop15h 04m

$397

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Mon 5/11

4:10 am-6:30 pm

1 stop15h 20m

San Diego

Fri 8/21

8:58 pm-9:58 am

1 stop12h 00m

$397

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Sun 5/17

6:00 am-11:59 pm

1 stop18h 59m

San Diego

Sun 5/24

1:39 pm-7:15 am

1 stop16h 36m

$409
Quickest round-trip

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Wed 8/12

10:03 am-6:30 pm

1 stop9h 27m

San Diego

Wed 8/26

8:58 pm-8:19 am

1 stop10h 21m

$418

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Sat 10/10

8:45 am-12:29 am

1 stop16h 44m

San Diego

Wed 10/14

6:28 pm-7:15 am

1 stop11h 47m

$430

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Tue 6/16

12:30 am-11:54 pm

2 stops24h 24m

San Diego

Sat 6/27

6:15 am-10:11 am

1 stop26h 56m

$439

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Sun 6/14

5:47 am-6:40 pm

1 stop13h 53m

San Diego

Wed 6/24

10:00 pm-6:26 pm

1 stop19h 26m

$452
Cheapest one-way

San JoséSan Diego

SJO - SAN

SJOSAN

San José Juan Santamaria Intl

Fri 6/12

8:45 am-9:59 am

1 stop26h 14m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 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 Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San José-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-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 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 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 April 17, 2026.

To ensure you get the cheapest price possible for a flight from San José to San Diego, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from San José to San Diego (average of $305). Flying from San José to San Diego in June is currently the most expensive (average of $615). 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.

How much does it cost to fly round-trip from San José to San Diego?

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 23, 2026.
Get a feel of what it's like to fly with Copa Airlines,United Airlines, andAmerican Airlines from San José 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.
Copa Airlines
7.5
Good
1,578 reviews

Overall

7.5

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
Copa Airlines
7.5
Good
1,578 reviews
Copa Airlines
7.5
Good
1,578 reviews

Overall

7.5

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
United Airlines
7.4
Good
9,636 reviews
Copa Airlines
7.5
Good
1,578 reviews

Overall

7.5

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.
American Airlines
7.1
Good
11,661 reviews
Copa Airlines
7.5
Good
1,578 reviews

Overall

7.5

Entertainment

6.8

Comfort

7.4

Boarding

7.8

Crew

8.1

Food

6.8

Reviews

1 / 20
2.0
Mediocre

Katerine,Mar 2026

LAX - PTY

Really i was expecting be more friendly with family’s, more when you travel with a infant. We expected like a priority to boarding or be friendly with the spots on the aeroplane.

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.

  • How long is the flight from San José to San Diego?

    A quick flight from San José to San Diego can take about 9h 27m. Copa Airlines provides one of the quickest options available for as low as $380. Airlines will cover a distance of 2619 mi.

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

    According to our current data, Copa Airlines ($272), United Airlines ($296), and American Airlines ($371) offers the cheapest pricing from San José to San Diego. You may be able to fly from San José to San Diego for 34% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $166 on Southwest. Other airlines that offer cheap prices include United Airlines from $167 and Copa Airlines from $167 one-way.

  • 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 to San Diego?

    Currently, January is the cheapest month in which you can book a flight from San José to San Diego (average of $305). Flying from San José to San Diego in June is currently the most expensive (average of $615). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from San José to San Diego

Discover the top 3 airlines that operate flights from San José 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$272Average$344FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$296Average$435FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$371Average$514FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.