$260+ Cheap flights from Costa Rica to San Diego (SAN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SAN
Oct 31 — Nov 71
Round-trip
1 adult, Economy
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Find cheap flights from Costa Rica to San Diego 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 Costa Rica to San Diego
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Cheapest flights from Costa Rica to San DiegoExplore the most affordable flight options available from Costa Rica to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.
Explore the most affordable flight options available from Costa Rica to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:01 pm -
1 stop11h 37m
Sun 11/86:45 pm -
1 stop17h 01m
Deal found 9/28![American Airlines logo]()
$458
This CheapOair deal was found by Cheapflights users on 9/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:45 pm -
2 stops19h 50m
Sat 10/249:30 pm -
2 stops34h 05m
Deal found 9/29![Multiple Airlines logo]()
$494
This Copa Airlines deal was found by Cheapflights users on 9/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:05 pm -
1 stop25h 10m
Mon 11/910:30 pm -
1 stop13h 21m
Deal found 9/30![Copa Airlines logo]()
$526
This eDestinos deal was found by Cheapflights users on 9/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:35 pm -
1 stop23h 00m
Tue 10/137:00 am -
2 stops24h 45m
Deal found 9/27![Multiple Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
2 stops23h 10m
Fri 10/304:45 pm -
1 stop11h 40m
Deal found 9/29![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:40 am -
1 stop10h 57m
Thu 10/297:41 pm -
1 stop10h 51m
Deal found 9/29![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:25 pm -
2 stops29h 01m
Tue 10/276:26 pm -
2 stops24h 13m
Deal found 9/29![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/316:30 am -
2 stops13h 07m
Mon 11/97:41 pm -
1 stop10h 51m
Deal found 10/1![United Airlines logo]()
$543
This Avianca deal was found by Cheapflights users on 9/27. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:35 pm -
2 stops17h 39m
Sun 10/252:22 pm -
2 stops17h 13m
Deal found 9/27![Multiple Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:00 pm -
1 stop9h 36m
Mon 11/96:26 pm -
2 stops16h 44m
Deal found 9/29![United Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/132:44 pm -
2 stops24h 33m
Thu 10/157:15 pm -
2 stops17h 03m
Deal found 9/29![American Airlines logo]()
$683
This Air Canada deal was found by Cheapflights users on 9/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/53:10 pm -
1 stop22h 50m
Mon 11/912:55 pm -
1 stop23h 15m
Deal found 9/28![Air Canada logo]()
$826
Best flights from Costa Rica to San DiegoDiscover carefully curated flight deals from Costa Rica to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.
Discover carefully curated flight deals from Costa Rica to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.
This Copa Airlines deal was found by Cheapflights users on 9/27. 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.
Mon 1/2510:01 am -
1 stop9h 21m
Fri 2/510:30 pm -
1 stop10h 29m
Deal found 9/27![Copa Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 1/141:15 am -
1 stop18h 35m
Sun 1/247:41 pm -
2 stops22h 58m
Deal found 10/1![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/132:44 pm -
2 stops22h 34m
Thu 10/1510:20 pm -
1 stop13h 58m
Deal found 9/29![American Airlines logo]()
$683
This Copa Airlines deal was found by Cheapflights users on 9/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:05 pm -
1 stop25h 10m
Mon 11/910:30 pm -
1 stop13h 21m
Deal found 9/30![Copa Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:45 am -
2 stops13h 39m
Sat 12/52:30 pm -
2 stops20h 52m
Deal found 9/29![United Airlines logo]()
$529
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/42:25 pm -
1 stop9h 01m
Sun 11/87:41 pm -
2 stops13h 44m
Deal found 9/30![United Airlines logo]()
$529
This Copa Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/610:03 am -
1 stop9h 12m
Fri 11/610:30 pm -
1 stop8h 37m
Deal found 9/29![Copa Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/288:40 am -
1 stop10h 57m
Thu 10/297:41 pm -
1 stop10h 51m
Deal found 9/30![United Airlines logo]()
$538
This United Airlines deal was found by Cheapflights users on 9/30. 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 1/131:15 am -
2 stops18h 12m
Sat 1/235:00 pm -
2 stops18h 22m
Deal found 9/30![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 11/52:20 pm -
2 stops21h 52m
Mon 11/94:45 pm -
2 stops18h 25m
Deal found 9/27![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 9/27. 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 10/168:45 am -
1 stop32h 09m
Sun 10/257:30 am -
1 stop23h 02m
Deal found 9/27![United Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/141:25 pm -
2 stops29h 01m
Wed 10/281:31 pm -
1 stop17h 01m
Deal found 9/28![United Airlines logo]()
$564
Last-minute flights from Costa Rica to San DiegoDiscover last-minute flight deals from Costa Rica to San Diego. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from Costa Rica to San Diego. Data last updated October 1, 2026 and is based on user searches.
This eDestinos deal was found by Cheapflights users on 9/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:35 pm -
1 stop23h 00m
Tue 10/137:00 am -
2 stops24h 45m
Deal found 9/27![Multiple Airlines logo]()
$528
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/132:44 pm -
2 stops22h 34m
Thu 10/1510:20 pm -
1 stop13h 58m
Deal found 9/29![American Airlines logo]()
$683
This Avianca deal was found by Cheapflights users on 9/27. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:35 pm -
2 stops17h 39m
Sun 10/252:22 pm -
2 stops17h 13m
Deal found 9/27![Multiple Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:45 am -
1 stop10h 50m
Fri 10/307:41 pm -
1 stop10h 51m
Deal found 9/29![United Airlines logo]()
$564
This CheapOair deal was found by Cheapflights users on 9/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:45 pm -
2 stops19h 50m
Sat 10/249:30 pm -
2 stops34h 05m
Deal found 9/29![Multiple Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:25 pm -
2 stops29h 01m
Tue 10/2712:37 pm -
1 stop17h 55m
Deal found 9/29![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:25 pm -
2 stops23h 10m
Fri 10/304:45 pm -
1 stop11h 40m
Deal found 9/29![United Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 10/221:00 pm -
1 stop9h 46m
Tue 10/276:20 am -
2 stops13h 01m
Deal found 9/29![American Airlines logo]()
$562
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Tue 10/271:00 pm -
1 stop20h 24m
Tue 11/310:40 pm -
1 stop20h 10m
Deal found 9/27![American Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:40 am -
1 stop10h 57m
Thu 10/297:41 pm -
1 stop10h 51m
Deal found 9/29![United Airlines logo]()
$538
This Copa Airlines deal was found by Cheapflights users on 9/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:05 pm -
1 stop25h 10m
Mon 11/910:30 pm -
1 stop13h 21m
Deal found 9/30![Copa Airlines logo]()
$526
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/316:30 am -
2 stops13h 07m
Mon 11/97:41 pm -
1 stop10h 51m
Deal found 10/1![United Airlines logo]()
$543
One-way flights from Costa Rica to San DiegoSearch for one-way flight options from Costa Rica to San Diego. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
Search for one-way flight options from Costa Rica to San Diego. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:37 am -
1 stop22h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$260
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:45 am -
1 stop16h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 9/29. 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 11/183:54 pm -
1 stop21h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/211:00 pm -
1 stop11h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:55 am -
2 stops26h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$300
This deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/278:45 am -
1 stop9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$301
This eDestinos deal was found by Cheapflights users on 9/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:10 am -
2 stops16h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Delta logo]()
$308
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:25 pm -
3 stops30h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$309
This Avianca deal was found by Cheapflights users on 9/28. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:35 pm -
2 stops17h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$310
This Avianca deal was found by Cheapflights users on 9/27. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/104:15 pm -
2 stops19h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/77:35 pm -
2 stops21h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Alaska Airlines logo]()
$313
Find flight deals from Costa Rica to San Diego
Keep the following information in mind while searching for Costa Rica to San Diego flight deals. Data was last updated October 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $458 (American Airlines) |
One-way from | $260 (American Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $424 |
Cheapflights Fare Finder
Customize your flight search to find flights from Costa Rica to San Diego 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 7,457,451 searches. Data last updated October 1, 2026.
Use the filters below to find and compare flights from Costa Rica to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Thu 10/22
8:45 am-12:31 am
1 stop16h 46m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$294
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Tue 12/8
2:25 pm-6:12 pm
3 stops29h 47m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$300
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Tue 3/2
12:35 pm-1:44 pm
2 stops27h 09m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$300
LiberiaSan Diego
LIR Liberia - SAN San Diego
LIRSAN
Liberia
Sun 3/7
7:35 pm-2:43 pm
2 stops21h 08m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$313
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Sun 12/6
7:00 am-11:38 pm
1 stop18h 38m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Sat 11/7
6:20 am-11:54 pm
2 stops19h 34m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
Quickest round-trip
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Tue 10/6
1:25 pm-9:24 pm
1 stop8h 59m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Fri 10/16
8:45 am-3:54 pm
1 stop32h 09m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Thu 10/15
8:45 am-6:35 pm
1 stop10h 50m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
San JoséSan Diego
SJO San José Juan Santamaria Intl - SAN San Diego
SJOSAN
San José Juan Santamaria Intl
Wed 10/14
1:25 pm-11:35 am
2 stops23h 10m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$334
Showing 1-10 of 25 resultsSorted by cheapest first
Best time to book a flight from Costa Rica to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Costa Rica with our price prediction graph.
SJO-SAN
LIR-SAN
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 Costa Rica to San Diego
CR0-SAN
SJO-SAN
LIR-SAN
What is the cheapest month to book a flight from Costa Rica to San Diego?
Currently, February is the cheapest month in which you can book a flight from Costa Rica to San Diego (average of $328). Flying from Costa Rica to San Diego in June is currently the most expensive (average of $541). 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.
How far ahead should I book a flight from Costa Rica to San Diego?
Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from Costa Rica to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated October 1, 2026.
Read through reviews of airlines operating flights from Costa Rica to San Diego, such as Copa Airlines,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.9
Overall
7.6
Entertainment
6.9
Boarding
7.8
Comfort
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Overall
7.6
Entertainment
6.9
Boarding
7.8
Comfort
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Overall
7.6
Entertainment
6.9
Boarding
7.8
Comfort
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Food
6.9
Overall
7.6
Entertainment
6.9
Boarding
7.8
Comfort
7.4
Crew
8.1
Reviews
1 / 20
4.0
OkayPaul,Jun 2025
PTY - MIA
Related info for your journey
Find useful and relevant information for your journey from Costa Rica to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Costa Rica to San Diego
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Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Costa Rica to San Diego by cabin class
Find flights from Costa Rica to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Costa Rica and San Diego flights
Browse other Costa Rica and San Diego flight options. Last updated on October 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 1, 2026.
Costa Rica to San Diego flights
Consider these flights traveling from Costa Rica to San Diego.
Top 3 airlines flying from Costa Rica to San Diego
Discover the top 3 airlines that operate flights from Costa Rica to San Diego. 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 7,457,451 searches. Data last updated October 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$387 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$296 | Average$480 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$428 | Average$514 | FlexibilityNo cancel fee | On-time71% |