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Cheap flights from San Diego to Costa Rica from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Costa Rica departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Diego to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
10:00 pm - 1:53 pm
SAN
-
SJO
14h 53m
1 stop
Copa Airlines Logo
10:05 am - 6:30 pm
SJO
-
SAN
9h 25m
1 stop
$309Copa Airlines
Sun, May 17 - Sun, May 24
United Airlines Logo
8:37 pm - 5:30 am
SAN
-
SJO
7h 53m
1 stop
United Airlines Logo
7:55 am - 8:04 pm
SJO
-
SAN
13h 09m
1 stop
$312United Airlines
Fri, Apr 24 - Thu, Apr 30
Copa Airlines Logo
10:00 pm - 4:47 pm
SAN
-
SJO
17h 47m
3 stops
Copa Airlines Logo
8:47 am - 6:30 pm
SJO
-
SAN
10h 43m
1 stop
$314Copa Airlines
Sun, May 17 - Sun, May 24
American Airlines Logo
10:40 pm - 1:08 pm
SAN
-
SJO
13h 28m
2 stops
American Airlines Logo
6:30 am - 8:50 pm
SJO
-
SAN
15h 20m
2 stops
$317American Airlines
Tue, Apr 28 - Sat, May 2
United Airlines Logo
6:22 pm - 7:15 am
SAN
-
SJO
11h 53m
1 stop
United Airlines Logo
7:55 am - 8:04 pm
SJO
-
SAN
13h 09m
1 stop
$321United Airlines
Thu, Apr 23 - Thu, Apr 30
American Airlines Logo
1:36 pm - 11:35 am
SAN
-
SJO
20h 59m
1 stop
American Airlines Logo
12:10 pm - 11:16 am
SJO
-
SAN
24h 06m
1 stop
$322American Airlines
Mon, May 4 - Mon, May 11
United Airlines Logo
7:40 pm - 7:15 am
SAN
-
SJO
10h 35m
1 stop
United Airlines Logo
7:55 am - 8:03 pm
SJO
-
SAN
13h 08m
2 stops
$325United Airlines
Wed, May 6 - Wed, May 13
Alaska Airlines Logo
10:25 am - 6:20 am
SAN
-
LIR
18h 55m
3 stops
Alaska Airlines Logo
11:20 am - 7:58 am
LIR
-
SAN
21h 38m
2 stops
$459Alaska Airlines
Tue, May 12 - Tue, May 19
Alaska Airlines Logo
3:35 pm - 6:20 am
SAN
-
LIR
13h 45m
2 stops
Alaska Airlines Logo
11:20 am - 7:58 am
LIR
-
SAN
21h 38m
2 stops
$460Alaska Airlines
Tue, May 12 - Tue, May 19
JetBlue Logo
8:25 pm - 1:35 pm
SAN
-
LIR
16h 10m
1 stop
JetBlue Logo
1:15 pm - 10:00 am
LIR
-
SAN
21h 45m
1 stop
$466JetBlue
Mon, Apr 13 - Tue, Apr 21

Southwest flights from San Diego to Costa Rica

Our best Southwest deals on San Diego to Costa Rica flight tickets
Southwest
Apr 7
SAN10:10 pmSan Diego
13h 00m
1 stop
SJO12:10 pmSan José Juan Santamaria Intl
Apr 14
SJO1:10 pmSan José Juan Santamaria Intl
9h 50m
1 stop
SAN10:00 pmSan Diego
$358
Southwest
Apr 9
SAN8:25 pmSan Diego
15h 50m
2 stops
LIR1:15 pmLiberia
Apr 16
LIR2:10 pmLiberia
18h 15m
2 stops
SAN7:25 amSan Diego
$495
Southwest
Mar 2
SAN6:40 amSan Diego
10h 50m
1 stop
SJO7:30 pmSan José Juan Santamaria Intl
Mar 3
SJO9:40 amSan José Juan Santamaria Intl
13h 10m
2 stops
SAN8:50 pmSan Diego
$528

GOL flights from San Diego to Costa Rica

Our best GOL deals on San Diego to Costa Rica flight tickets
GOL
May 2
SAN9:45 pmSan Diego
12h 40m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
May 8
SJO12:35 pmSan José Juan Santamaria Intl
20h 40m
2 stops
SAN8:15 amSan Diego
$363
GOL
Apr 24
SAN10:40 pmSan Diego
35h 45m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
Apr 28
SJO12:10 pmSan José Juan Santamaria Intl
21h 05m
2 stops
SAN8:15 amSan Diego
$377
GOL
May 4
SAN9:45 pmSan Diego
12h 22m
2 stops
SJO11:07 amSan José Juan Santamaria Intl
May 11
SJO12:35 pmSan José Juan Santamaria Intl
20h 40m
2 stops
SAN8:15 amSan Diego
$382

momondo 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, momondo users made 832,500 searches. Data last updated February 27, 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

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sun 5/17

10:00 pm-1:53 pm

1 stop14h 53m

San José Juan Santamaria Intl

Sun 5/24

10:05 am-6:30 pm

1 stop9h 25m

$309

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Fri 4/24

8:37 pm-5:30 am

1 stop7h 53m

San José Juan Santamaria Intl

Thu 4/30

7:55 am-8:04 pm

1 stop13h 09m

$312

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sun 5/17

10:00 pm-4:47 pm

3 stops17h 47m

San José Juan Santamaria Intl

Sun 5/24

8:47 am-6:30 pm

1 stop10h 43m

$314

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Tue 4/28

10:40 pm-1:08 pm

2 stops13h 28m

San José Juan Santamaria Intl

Sat 5/2

6:30 am-8:50 pm

2 stops15h 20m

$317

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 4/23

6:22 pm-7:15 am

1 stop11h 53m

San José Juan Santamaria Intl

Thu 4/30

7:55 am-8:04 pm

1 stop13h 09m

$321

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Mon 5/4

1:36 pm-11:35 am

1 stop20h 59m

San José Juan Santamaria Intl

Mon 5/11

12:10 pm-11:16 am

1 stop24h 06m

$322

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Wed 5/6

7:40 pm-7:15 am

1 stop10h 35m

San José Juan Santamaria Intl

Wed 5/13

7:55 am-8:03 pm

2 stops13h 08m

$325

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Tue 5/12

10:25 am-6:20 am

3 stops18h 55m

Liberia

Tue 5/19

11:20 am-7:58 am

2 stops21h 38m

$459

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Tue 5/12

3:35 pm-6:20 am

2 stops13h 45m

Liberia

Tue 5/19

11:20 am-7:58 am

2 stops21h 38m

$460

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Mon 4/13

8:25 pm-1:35 pm

1 stop16h 10m

Liberia

Tue 4/21

1:15 pm-10:00 am

1 stop21h 45m

$466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from San Diego to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from San Diego is in October. Flight prices, which tend to average around $311, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then November is your next best option. Flight prices from San Diego to Costa Rica during November average around $383.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $484 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from San Diego for as low as $442 on momondo.

Can stopping save me money on San Diego to Costa Rica flights?

You could potentially save up to 16% on your flight if you consider stops on a San Diego to Costa Rica flight.

Cheap San Diego to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Costa Rica

Fastest flight time

7h 36m

Direct flights

None
The fastest flight from San Diego to Costa Rica takes 7h 36m
There are no direct flights from San Diego to Costa Rica. There are no popular flight routes from San Diego to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from San Diego Airport to Costa Rica?

    Prices for flights from San Diego Airport to Costa Rica are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to Costa Rica?

  • How old do you have to be to fly from San Diego Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Diego to Costa Rica

Compare and see reviews for airlines that fly from San Diego to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $234Free CancellationRating
7.9
8,241 reviews
Search Delta flights
Copa AirlinesPriceFrom $279Free CancellationRating
7.5
1,557 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,357 reviews
Search United Airlines flights
American AirlinesPriceFrom $327Free CancellationRating
7.2
11,361 reviews
Search American Airlines flights
SouthwestPriceFrom $431Free CancellationRating
8.0
4,301 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Costa Rica?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from San Diego.

Can I find flights from San Diego to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Diego to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from San Diego to Costa Rica?

momondo provides multiple filters to help you find the best flight to Costa Rica from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Diego to Costa Rica right now. Can momondo alert me if prices change?

Price alerts on flights to Costa Rica from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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