Cheap flights from San Diego to Costa Rica from $182
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 11/28. 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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Our best Copa Airlines deals on San Diego to Costa Rica flight tickets
Southwest flights from San Diego to Costa Rica
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Fly from
Fly to
Route
Depart
Return
San DiegoLiberia
SAN San Diego - LIR Liberia
SANLIR
San Diego
Sat 11/14
10:40 pm-2:17 pm
1 stop13h 37m
Liberia
Fri 11/20
3:23 pm-11:59 pm
1 stop10h 36m
San DiegoLiberia
SAN San Diego - LIR Liberia
SANLIR
San Diego
Sat 11/28
6:51 pm-2:31 pm
1 stop17h 40m
Liberia
Fri 12/4
3:35 pm-11:51 pm
1 stop10h 16m
San DiegoLiberia
SAN San Diego - LIR Liberia
SANLIR
San Diego
Mon 1/18
5:52 pm-1:10 pm
2 stops17h 18m
Liberia
Fri 1/22
1:00 pm-8:42 pm
1 stop9h 42m
San DiegoSan José
SAN San Diego - SJO San José Juan Santamaria Intl
SANSJO
San Diego
Mon 11/2
10:30 pm-9:07 am
1 stop8h 37m
San José Juan Santamaria Intl
Wed 11/11
8:44 am-5:15 pm
1 stop10h 31m
San DiegoSan José
SAN San Diego - SJO San José Juan Santamaria Intl
SANSJO
San Diego
Sun 1/17
10:30 pm-11:00 am
1 stop10h 30m
San José Juan Santamaria Intl
Fri 1/29
10:01 am-5:22 pm
1 stop9h 21m
San DiegoLiberia
SAN San Diego - LIR Liberia
SANLIR
San Diego
Sun 2/21
5:52 pm-1:10 pm
2 stops17h 18m
Liberia
Wed 3/3
8:45 am-4:09 pm
1 stop9h 24m
San DiegoSan José
SAN San Diego - SJO San José Juan Santamaria Intl
SANSJO
San Diego
Tue 11/10
4:31 pm-2:49 pm
2 stops20h 18m
San José Juan Santamaria Intl
Tue 11/17
2:01 pm-11:38 pm
1 stop11h 37m
San DiegoSan José
SAN San Diego - SJO San José Juan Santamaria Intl
SANSJO
San Diego
Sun 1/17
4:51 pm-2:56 pm
2 stops20h 05m
San José Juan Santamaria Intl
Fri 1/29
6:30 am-9:40 pm
2 stops17h 10m
San DiegoSan José
SAN San Diego - SJO San José Juan Santamaria Intl
SANSJO
San Diego
Sun 1/17
12:12 pm-8:35 am
2 stops18h 23m
San José Juan Santamaria Intl
Sun 1/24
4:15 pm-9:18 am
2 stops19h 03m
San DiegoSan José
SAN San Diego - SJO San José Juan Santamaria Intl
SANSJO
San Diego
Fri 1/22
1:53 pm-8:35 am
2 stops16h 42m
San José Juan Santamaria Intl
Wed 2/3
4:15 pm-9:18 am
2 stops19h 03m
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 February. Flight prices, which tend to average around $416, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in February, then January is your next best option. Flight prices from San Diego to Costa Rica during January average around $463.
How far in advance should I book a flight from San Diego 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 $519 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 $223 on momondo.
What is the cheapest airline that flies from San Diego to Costa Rica?
United Airlines, Alaska Airlines, and Delta are the most popular carriers operating from San Diego to Costa Rica
What airlines fly to Costa Rica?
United Airlines, Copa Airlines and American Airlines are the top three most popular airlines that fly to Costa Rica from San Diego according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 6 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.
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
Frequently asked questions about flying from San Diego to Costa Rica
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?
As of October 2026, there are 5 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $231 | Free Cancellation | Rating 7.6 1,548 reviews | |||
| PriceFrom $311 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $327 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $431 | Free Cancellation | Rating 7.9 4,222 reviews | |||
| PriceFrom $450 | Free Cancellation | Rating 7.3 1,320 reviews |
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.