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Cheap flights from San Diego to Costa Rica from $137

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 10/1. 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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Cheap round-trip flights

Copa Airlines Logo
9:12 pm - 7:30 amSAN-SJO
9h 18m1 stop
Copa Airlines Logo
10:08 am - 5:57 pmSJO-SAN
8h 49m1 stop
$300Copa Airlines
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Mon, Oct 20 - Fri, Oct 24
Copa Airlines Logo
9:12 pm - 4:52 pmSAN-SJO
18h 40m2 stops
Copa Airlines Logo
5:57 am - 5:57 pmSJO-SAN
13h 00m1 stop
$305Copa Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
American Airlines Logo
9:30 am - 11:00 pmSAN-SJO
11h 30m1 stop
American Airlines Logo
3:50 pm - 9:31 amSJO-SAN
19h 41m1 stop
$312American Airlines
Find Deal
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
5:00 pm - 12:05 pmSAN-SJO
18h 05m2 stops
American Airlines Logo
1:12 pm - 11:07 pmSJO-SAN
11h 55m1 stop
$316American Airlines
Find Deal
Sat, Oct 25 - Sat, Nov 8
Southwest Logo
8:50 pm - 12:35 pmSAN-SJO
14h 45m2 stops
Southwest Logo
1:05 pm - 7:10 amSJO-SAN
19h 05m2 stops
$317Southwest
Find Deal
Thu, Oct 23 - Sun, Oct 26
Copa Airlines Logo
9:12 pm - 7:30 amSAN-SJO
9h 18m1 stop
Copa Airlines Logo
5:57 am - 5:57 pmSJO-SAN
13h 00m1 stop
$318Copa Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Delta Logo
10:30 pm - 11:58 amSAN-SJO
12h 28m1 stop
Delta Logo
2:15 pm - 11:14 pmSJO-SAN
10h 59m1 stop
$346Delta
Find Deal
Sat, Oct 25 - Tue, Nov 4
United Airlines Logo
8:08 pm - 7:15 amSAN-SJO
10h 07m1 stop
United Airlines Logo
8:37 am - 6:29 pmSJO-SAN
10h 52m1 stop
$360United Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
United Airlines Logo
7:28 pm - 7:15 amSAN-SJO
10h 47m1 stop
United Airlines Logo
7:55 am - 7:52 pmSJO-SAN
12h 57m2 stops
$364United Airlines
Find Deal
Thu, Oct 16 - Tue, Oct 21
Delta Logo
10:30 pm - 11:58 amSAN-SJO
12h 28m1 stop
Delta Logo
2:15 pm - 11:14 pmSJO-SAN
10h 59m1 stop
$380Delta
Find Deal
Tue, Oct 28 - Thu, Nov 6

Copa Airlines flights from San Diego to Costa Rica

Our best Copa Airlines deals on San Diego to Costa Rica flight tickets
Copa Airlines
Oct 20
SAN9:12 pmSan Diego
9h 18m
1 stop
SJO7:30 amSan José Juan Santamaria Intl
Oct 24
SJO10:08 amSan José Juan Santamaria Intl
8h 49m
1 stop
SAN5:57 pmSan Diego
$300
Find similar
Copa Airlines
Oct 15
SAN9:12 pmSan Diego
18h 40m
2 stops
SJO4:52 pmSan José Juan Santamaria Intl
Oct 22
SJO5:57 amSan José Juan Santamaria Intl
13h 00m
1 stop
SAN5:57 pmSan Diego
$305
Find similar
Copa Airlines
Oct 17
SAN9:12 pmSan Diego
9h 18m
1 stop
SJO7:30 amSan José Juan Santamaria Intl
Oct 19
SJO5:57 amSan José Juan Santamaria Intl
13h 00m
1 stop
SAN5:57 pmSan Diego
$318
Find similar

United Airlines flights from San Diego to Costa Rica

Our best United Airlines deals on San Diego to Costa Rica flight tickets
United Airlines
Sep 22
SAN7:21 pmSan Diego
10h 54m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Sep 30
SJO8:37 amSan José Juan Santamaria Intl
10h 52m
1 stop
SAN6:29 pmSan Diego
$312
Find similar
United Airlines
Sep 25
SAN6:53 amSan Diego
11h 44m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
Sep 29
SJO8:37 amSan José Juan Santamaria Intl
10h 52m
1 stop
SAN6:29 pmSan Diego
$316
Find similar
United Airlines
Oct 16
SAN8:08 pmSan Diego
10h 07m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Oct 20
SJO8:37 amSan José Juan Santamaria Intl
10h 52m
1 stop
SAN6:29 pmSan Diego
$360
Find similar

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 September 16, 2025.
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

Mon 10/20

9:12 pm-7:30 am

1 stop9h 18m

San José Juan Santamaria Intl

Fri 10/24

10:08 am-5:57 pm

1 stop8h 49m

$300

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Wed 10/15

9:12 pm-4:52 pm

2 stops18h 40m

San José Juan Santamaria Intl

Wed 10/22

5:57 am-5:57 pm

1 stop13h 00m

$305

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 1/22

9:30 am-11:00 pm

1 stop11h 30m

San José Juan Santamaria Intl

Mon 1/26

3:50 pm-9:31 am

1 stop19h 41m

$312

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sat 10/25

5:00 pm-12:05 pm

2 stops18h 05m

San José Juan Santamaria Intl

Sat 11/8

1:12 pm-11:07 pm

1 stop11h 55m

$316

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 10/23

8:50 pm-12:35 pm

2 stops14h 45m

San José Juan Santamaria Intl

Sun 10/26

1:05 pm-7:10 am

2 stops19h 05m

$317

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Fri 10/17

9:12 pm-7:30 am

1 stop9h 18m

San José Juan Santamaria Intl

Sun 10/19

5:57 am-5:57 pm

1 stop13h 00m

$318

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sat 10/25

10:30 pm-11:58 am

1 stop12h 28m

San José Juan Santamaria Intl

Tue 11/4

2:15 pm-11:14 pm

1 stop10h 59m

$346

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 10/16

8:08 pm-7:15 am

1 stop10h 07m

San José Juan Santamaria Intl

Mon 10/20

8:37 am-6:29 pm

1 stop10h 52m

$360

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 10/16

7:28 pm-7:15 am

1 stop10h 47m

San José Juan Santamaria Intl

Tue 10/21

7:55 am-7:52 pm

2 stops12h 57m

$364

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Tue 10/28

10:30 pm-11:58 am

1 stop12h 28m

San José Juan Santamaria Intl

Thu 11/6

2:15 pm-11:14 pm

1 stop10h 59m

$380

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 September. Flight prices, which tend to average around $441, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then October is your next best option. Flight prices from San Diego to Costa Rica during October average around $448.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Monday is the cheapest day to fly to Costa Rica from San Diego. The lowest ticket price found for a Monday departure recently was $588. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $766. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from San Diego to Costa Rica when you can find flight prices for as low as $563. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly at noon, with an average ticket price of $672. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $613 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 $507 on momondo.

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

You could potentially save up to 28% 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

Direct flights

None
There are no direct flights from San Diego to Costa Rica. There are no popular flight routes from San Diego to Costa Rica.
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  • 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
Alaska AirlinesPriceFrom $235Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Copa AirlinesPriceFrom $279Free CancellationRating
7.6
1,531 reviews
Search Copa Airlines flights
Spirit AirlinesPriceFrom $280Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
DeltaPriceFrom $347Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $381Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $422Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $511Free CancellationRating
8.0
4,242 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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