Costa Rica

$176+ Cheap flights from San Diego (SAN) to Costa Rica

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJO
Jun 2 — Jun 91
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Costa Rica 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 Diego to Costa Rica

Cheapest flights from San Diego to Costa Rica
Explore the most affordable flight options available from San Diego to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 3, 2026.

This Copa Airlines deal was found by Cheapflights users on 4/29. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:03 pm
SAN
-
SJO
1 stop15h 48m
Copa Airlines
Sun 10/118:45 am
SJO
-
SAN
1 stop10h 45m
Copa Airlines
Deal found 4/29$382
This United Airlines deal was found by Cheapflights users on 5/3. 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 5/277:41 pm
SAN
-
LIR
2 stops13h 09m
United Airlines
Thu 6/411:10 am
LIR
-
SAN
1 stop9h 40m
United Airlines
Deal found 5/3$386
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:44 pm
SAN
-
LIR
1 stop20h 46m
American Airlines
Tue 12/153:10 pm
LIR
-
SAN
2 stops19h 37m
American Airlines
Deal found 4/29$391
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:41 pm
SAN
-
SJO
1 stop10h 34m
United Airlines
Mon 6/88:45 am
SJO
-
SAN
1 stop10h 54m
United Airlines
Deal found 4/28$394
This Copa Airlines deal was found by Cheapflights users on 4/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:00 pm
SAN
-
SJO
1 stop15h 04m
Copa Airlines
Wed 5/138:47 am
SJO
-
SAN
1 stop10h 43m
Copa Airlines
Deal found 4/28$398
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:15 pm
SAN
-
SJO
2 stops17h 37m
American Airlines
Fri 8/281:29 pm
SJO
-
SAN
1 stop20h 24m
American Airlines
Deal found 4/29$399
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:01 pm
SAN
-
LIR
1 stop23h 09m
United Airlines
Wed 9/161:20 pm
LIR
-
SAN
2 stops12h 09m
United Airlines
Deal found 4/30$400
This BusinessClass deal was found by Cheapflights users on 5/3. 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.
Sun 8/2310:26 pm
SAN
-
SJO
1 stop13h 00m
GOL
Sat 9/52:52 pm
SJO
-
SAN
2 stops20h 27m
GOL
Deal found 5/3$401
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:00 pm
SAN
-
SJO
1 stop19h 59m
Copa Airlines
Tue 6/95:57 pm
SJO
-
SAN
1 stop25h 43m
Copa Airlines
Deal found 4/30$406
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:40 pm
SAN
-
SJO
1 stop10h 35m
United Airlines
Tue 5/121:25 pm
SJO
-
SAN
1 stop9h 00m
United Airlines
Deal found 4/28$410
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:41 pm
SAN
-
SJO
1 stop10h 34m
United Airlines
Tue 9/227:55 am
SJO
-
SAN
1 stop10h 51m
United Airlines
Deal found 4/28$412
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:28 am
SAN
-
SJO
2 stops11h 08m
American Airlines
Wed 5/1311:35 pm
SJO
-
SAN
2 stops13h 22m
American Airlines
Deal found 4/29$415

Find flight deals from San Diego to Costa Rica

Keep the following information in mind while searching for San Diego to Costa Rica flight deals. Data was last updated May 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(Copa Airlines)

One-way from

$176
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$475
Provider with most accurate pricing for San Diego-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for San Diego-San José Juan Santamaria Intl flights.
From San Diego to Costa Rica
One-way flight from San Diego to Costa Rica
Highest demand for flights based on searches. 13% potential increase in price ($71 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Costa Rica 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 May 3, 2026.
Use the filters below to find and compare flights from San Diego to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Wed 5/13

10:00 pm-8:21 am

1 stop9h 21m

San José Juan Santamaria Intl

Sun 5/17

4:10 am-6:30 pm

1 stop15h 20m

$398

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Wed 5/13

10:00 pm-12:21 pm

1 stop13h 21m

San José Juan Santamaria Intl

Wed 5/20

10:05 am-6:30 pm

1 stop9h 25m

$398

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Wed 9/9

12:01 pm-12:10 pm

1 stop23h 09m

Liberia

Wed 9/16

1:20 pm-12:29 am

2 stops12h 09m

$400

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 5/7

10:23 am-7:37 pm

1 stop8h 14m

San José Juan Santamaria Intl

Sun 5/17

6:00 am-8:02 pm

1 stop15h 02m

$410

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Wed 5/27

7:41 pm-7:15 am

1 stop10h 34m

San José Juan Santamaria Intl

Mon 6/1

8:45 am-6:39 pm

1 stop10h 54m

$422

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Fri 5/29

7:41 pm-7:15 am

1 stop10h 34m

San José Juan Santamaria Intl

Mon 6/1

8:45 am-6:39 pm

1 stop10h 54m

$432

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Mon 5/25

10:13 am-10:39 pm

1 stop11h 26m

San José Juan Santamaria Intl

Thu 6/4

11:13 am-7:50 pm

1 stop9h 37m

$459

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Fri 9/25

10:30 pm-11:53 am

1 stop12h 23m

Liberia

Sat 10/3

11:49 am-8:39 pm

1 stop9h 50m

$482
Quickest round-trip

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Mon 6/1

6:27 pm-7:15 am

1 stop11h 48m

San José Juan Santamaria Intl

Mon 6/8

1:25 pm-9:24 pm

1 stop8h 59m

$501

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sun 5/31

6:15 am-10:39 pm

1 stop15h 24m

San José Juan Santamaria Intl

Thu 6/4

11:13 am-7:50 pm

1 stop9h 37m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 39 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from San Diego to Costa Rica

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

How far ahead should I book a flight from San Diego to Costa Rica?

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Costa Rica. 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 Diego to Costa Rica?

Currently, December is the cheapest month in which you can book a flight from San Diego to Costa Rica (average of $136). Flying from San Diego to Costa Rica in June is currently the most expensive (average of $371). 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.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated May 3, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andCopa Airlines from San Diego to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Diego to Costa Rica?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Costa Rica. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How long is the flight from San Diego to Costa Rica?

    Copa Airlines and United Airlines can get you from San Diego to Costa Rica in just under 8h 14m. Your travel time can differ by up to 1h 07m. Airlines will cover a distance of 2619 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from San Diego to Costa Rica are Copa Airlines ($133), United Airlines ($139), and American Airlines ($155).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Costa Rica 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 Diego to Costa Rica?

    Currently, December is the cheapest month in which you can book a flight from San Diego to Costa Rica (average of $136). Flying from San Diego to Costa Rica in June is currently the most expensive (average of $371). 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

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 5 airlines flying from San Diego to Costa Rica

Discover the top 5 airlines that operate flights from San Diego to Costa Rica. 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 May 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$241Average$560FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$279Average$338FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$311Average$572FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$327Average$558FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$418Average$604FlexibilityNo cancel feeOn-time63%

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.