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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 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
8:16 pm - 9:06 am
SAN
-
SJO
10h 50m1 stop
Copa Airlines Logo
10:08 am - 5:13 pm
SJO
-
SAN
9h 05m1 stop
$294Copa Airlines
Wed, Jan 28 - Fri, Feb 6
Copa Airlines Logo
8:16 pm - 4:46 pm
SAN
-
SJO
18h 30m2 stops
Copa Airlines Logo
5:50 am - 5:13 pm
SJO
-
SAN
13h 23m1 stop
$299Copa Airlines
Wed, Jan 28 - Fri, Feb 6
United Airlines Logo
8:00 am - 6:16 pm
SAN
-
SJO
8h 16m1 stop
United Airlines Logo
6:30 am - 6:36 pm
SJO
-
SAN
14h 06m1 stop
$306United Airlines
Mon, Feb 2 - Wed, Feb 11
American Airlines Logo
10:09 am - 11:43 pm
SAN
-
SJO
11h 34m2 stops
American Airlines Logo
6:38 am - 2:14 pm
SJO
-
SAN
9h 36m1 stop
$310American Airlines
Fri, Jan 23 - Fri, Jan 30
American Airlines Logo
6:20 am - 10:30 pm
SAN
-
SJO
14h 10m1 stop
American Airlines Logo
8:00 am - 11:09 pm
SJO
-
SAN
17h 09m1 stop
$326American Airlines
Sun, Jan 25 - Tue, Feb 10
American Airlines Logo
6:20 am - 10:30 pm
SAN
-
SJO
14h 10m1 stop
American Airlines Logo
6:00 am - 8:36 pm
SJO
-
SAN
16h 36m2 stops
$330American Airlines
Sun, Jan 25 - Tue, Feb 10
United Airlines Logo
1:58 pm - 10:39 pm
SAN
-
SJO
7h 41m1 stop
United Airlines Logo
12:30 am - 11:07 am
SJO
-
SAN
11h 37m1 stop
$356United Airlines
Fri, Jun 5 - Thu, Jun 11
Multiple Airlines Logo
2:38 pm - 1:15 pm
SAN
-
SJO
44h 37m2 stops
Multiple Airlines Logo
2:33 pm - 7:01 pm
SJO
-
SAN
30h 28m1 stop
$362Multiple Airlines
Thu, Feb 19 - Sat, Feb 28
Delta Logo
3:00 pm - 1:30 pm
SAN
-
LIR
20h 30m1 stop
Delta Logo
2:05 pm - 10:45 pm
LIR
-
SAN
10h 40m1 stop
$421Delta
Sun, Jan 25 - Wed, Jan 28
Delta Logo
10:30 pm - 1:50 pm
SAN
-
LIR
13h 20m1 stop
Delta Logo
2:45 pm - 7:08 pm
LIR
-
SAN
30h 23m2 stops
$425Delta
Sun, Jan 25 - Tue, Jan 27

American Airlines flights from San Diego to Costa Rica

Our best American Airlines deals on San Diego to Costa Rica flight tickets
American Airlines
Jan 23
SAN10:09 amSan Diego
11h 34m
2 stops
SJO11:43 pmSan José Juan Santamaria Intl
Jan 30
SJO6:38 amSan José Juan Santamaria Intl
9h 36m
1 stop
SAN2:14 pmSan Diego
$310
Find similar
American Airlines
Feb 3
SAN6:20 amSan Diego
14h 10m
1 stop
SJO10:30 pmSan José Juan Santamaria Intl
Feb 11
SJO8:00 amSan José Juan Santamaria Intl
17h 09m
1 stop
SAN11:09 pmSan Diego
$326
Find similar
American Airlines
Jan 25
SAN6:20 amSan Diego
14h 10m
1 stop
SJO10:30 pmSan José Juan Santamaria Intl
Feb 10
SJO6:00 amSan José Juan Santamaria Intl
16h 36m
2 stops
SAN8:36 pmSan Diego
$330
Find similar

Delta flights from San Diego to Costa Rica

Our best Delta deals on San Diego to Costa Rica flight tickets
Delta
Feb 19
SAN11:16 amSan Diego
8h 46m
1 stop
SJO10:02 pmSan José Juan Santamaria Intl
Feb 23
SJO7:00 amSan José Juan Santamaria Intl
17h 50m
1 stop
SAN10:50 pmSan Diego
$416
Find similar
Delta
Jan 25
SAN10:30 pmSan Diego
12h 20m
1 stop
LIR12:50 pmLiberia
Jan 29
LIR2:05 pmLiberia
10h 40m
1 stop
SAN10:45 pmSan Diego
$421
Find similar
Delta
Feb 24
SAN11:16 amSan Diego
8h 46m
1 stop
SJO10:02 pmSan José Juan Santamaria Intl
Mar 3
SJO7:00 amSan José Juan Santamaria Intl
15h 37m
1 stop
SAN8:37 pmSan Diego
$425
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 December 18, 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

Wed 1/28

8:16 pm-9:06 am

1 stop10h 50m

San José Juan Santamaria Intl

Fri 2/6

10:08 am-5:13 pm

1 stop9h 05m

$294

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Wed 1/28

8:16 pm-4:46 pm

2 stops18h 30m

San José Juan Santamaria Intl

Fri 2/6

5:50 am-5:13 pm

1 stop13h 23m

$299

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Mon 2/2

8:00 am-6:16 pm

1 stop8h 16m

San José Juan Santamaria Intl

Wed 2/11

6:30 am-6:36 pm

1 stop14h 06m

$306

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Fri 1/23

10:09 am-11:43 pm

2 stops11h 34m

San José Juan Santamaria Intl

Fri 1/30

6:38 am-2:14 pm

1 stop9h 36m

$310

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sun 1/25

6:20 am-10:30 pm

1 stop14h 10m

San José Juan Santamaria Intl

Tue 2/10

8:00 am-11:09 pm

1 stop17h 09m

$326

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Sun 1/25

6:20 am-10:30 pm

1 stop14h 10m

San José Juan Santamaria Intl

Tue 2/10

6:00 am-8:36 pm

2 stops16h 36m

$330

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Fri 6/5

1:58 pm-10:39 pm

1 stop7h 41m

San José Juan Santamaria Intl

Thu 6/11

12:30 am-11:07 am

1 stop11h 37m

$356

San DiegoSan José

SAN - SJO

SANSJO

San Diego

Thu 2/19

2:38 pm-1:15 pm

2 stops44h 37m

San José Juan Santamaria Intl

Sat 2/28

2:33 pm-7:01 pm

1 stop30h 28m

$362

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Sun 1/25

3:00 pm-1:30 pm

1 stop20h 30m

Liberia

Wed 1/28

2:05 pm-10:45 pm

1 stop10h 40m

$421

San DiegoLiberia

SAN - LIR

SANLIR

San Diego

Sun 1/25

10:30 pm-1:50 pm

1 stop13h 20m

Liberia

Tue 1/27

2:45 pm-7:08 pm

2 stops30h 23m

$425

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 $404.

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 $528 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 $453 on momondo.

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

You could potentially save up to 24% 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 40m

Direct flights

None
The fastest flight from San Diego to Costa Rica takes 7h 40m
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
Copa AirlinesPriceFrom $279Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $311Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
DeltaPriceFrom $347Free CancellationRating
7.9
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $351Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
SouthwestPriceFrom $511Free CancellationRating
7.9
4,250 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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