Costa Rica

$198+ Cheap flights from Oakland, CA (OAK) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SJO
abr. 23 — abr. 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oakland to Costa Rica 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 Oakland to Costa Rica

Cheapest flights from Oakland to Costa Rica
Explore the most affordable flight options available from Oakland to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 24, 2026.

This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/46:00 am
OAK
-
SJO
2 stops12h 00m
Southwest
lun. 5/111:10 pm
SJO
-
OAK
2 stops19h 20m
Southwest
Deal found 3/20$492
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/411:55 pm
OAK
-
LIR
2 stops12h 20m
Southwest
lun. 5/112:10 pm
LIR
-
OAK
2 stops10h 55m
Southwest
Deal found 3/23$528
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/45:30 am
OAK
-
SJO
2 stops12h 10m
Southwest
lun. 8/109:00 am
SJO
-
OAK
2 stops14h 25m
Southwest
Deal found 3/23$562
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/48:55 pm
OAK
-
LIR
2 stops15h 20m
Southwest
sáb. 5/91:05 pm
LIR
-
OAK
1 stop9h 40m
Southwest
Deal found 3/22$569
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/216:35 am
OAK
-
SJO
2 stops11h 25m
Southwest
mar. 4/289:00 am
SJO
-
OAK
2 stops14h 25m
Southwest
Deal found 3/24$574
This Southwest deal was found by Cheapflights users on 3/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/156:00 am
OAK
-
SJO
2 stops12h 00m
Southwest
lun. 5/181:10 pm
SJO
-
OAK
2 stops19h 20m
Southwest
Deal found 3/20$578
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
mar. 5/59:33 am
OAK
-
LIR
2 stops19h 47m
Alaska Airlines
jue. 5/711:20 am
LIR
-
OAK
2 stops46h 33m
Alaska Airlines
Deal found 3/23$579
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
mié. 5/69:33 am
OAK
-
SJO
2 stops37h 12m
Alaska Airlines
mar. 5/1212:35 am
SJO
-
OAK
2 stops19h 58m
Alaska Airlines
Deal found 3/23$583
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
lun. 5/48:10 pm
OAK
-
SJO
2 stops26h 35m
Alaska Airlines
mar. 5/1212:35 am
SJO
-
OAK
2 stops19h 58m
Alaska Airlines
Deal found 3/23$584
This Southwest deal was found by Cheapflights users on 3/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/199:25 pm
OAK
-
SJO
2 stops13h 45m
Southwest
mié. 4/291:10 pm
SJO
-
OAK
2 stops19h 25m
Southwest
Deal found 3/19$587
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/67:45 pm
OAK
-
LIR
2 stops16h 30m
Southwest
mié. 5/132:10 pm
LIR
-
OAK
2 stops17h 55m
Southwest
Deal found 3/22$603
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
jue. 5/78:10 pm
OAK
-
SJO
2 stops50h 35m
Alaska Airlines
mar. 5/1212:35 am
SJO
-
OAK
2 stops19h 58m
Alaska Airlines
Deal found 3/23$604

Find flight deals from Oakland to Costa Rica

Keep the following information in mind while searching for Oakland to Costa Rica flight deals. Data was last updated marzo 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$492
(Southwest)

One-way from

$198
(CheapOair)

Popular in

December

Cheapest in

May

Average price

$593
Provider with most accurate pricing for San Francisco-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-San José Juan Santamaria Intl flights.
From Oakland to Costa Rica
One-way flight from Oakland to Costa Rica
Highest demand for flights based on searches. 17% potential increase in price ($133 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland 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, Cheapflights users made 2,558,603 searches. Data last updated marzo 24, 2026.
Use the filters below to find and compare flights from Oakland to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandSan José

OAK - SJO

OAKSJO

Oakland

mar. 8/4

5:30 am-6:40 pm

2 stops12h 10m

San José Juan Santamaria Intl

lun. 8/10

9:00 am-10:25 pm

2 stops14h 25m

$562
Quickest round-trip

OaklandLiberia

OAK - LIR

OAKLIR

Oakland

lun. 5/4

8:55 pm-1:15 pm

2 stops15h 20m

Liberia

sáb. 5/9

1:05 pm-9:45 pm

1 stop9h 40m

$569

OaklandSan José

OAK - SJO

OAKSJO

Oakland

dom. 4/19

9:25 pm-12:10 pm

2 stops13h 45m

San José Juan Santamaria Intl

mié. 4/29

1:10 pm-7:35 am

2 stops19h 25m

$587

OaklandLiberia

OAK - LIR

OAKLIR

Oakland

mié. 5/6

7:45 pm-1:15 pm

2 stops16h 30m

Liberia

mié. 5/13

2:10 pm-7:05 am

2 stops17h 55m

$603

OaklandLiberia

OAK - LIR

OAKLIR

Oakland

dom. 7/12

10:10 pm-1:10 pm

2 stops14h 00m

Liberia

mié. 7/22

2:10 pm-7:30 am

2 stops18h 20m

$610

OaklandSan José

OAK - SJO

OAKSJO

Oakland

lun. 5/4

8:10 pm-11:45 pm

2 stops26h 35m

San José Juan Santamaria Intl

dom. 5/10

12:55 am-8:53 am

2 stops32h 58m

$619

OaklandSan José

OAK - SJO

OAKSJO

Oakland

vie. 5/29

6:15 am-7:00 pm

2 stops11h 45m

San José Juan Santamaria Intl

lun. 6/8

8:45 am-11:45 pm

2 stops16h 00m

$623

OaklandLiberia

OAK - LIR

OAKLIR

Oakland

vie. 6/12

10:10 pm-1:05 pm

2 stops13h 55m

Liberia

jue. 6/18

2:10 pm-7:10 am

2 stops18h 00m

$640

OaklandSan José

OAK - SJO

OAKSJO

Oakland

mié. 4/29

9:33 am-11:45 pm

2 stops37h 12m

San José Juan Santamaria Intl

mar. 5/5

12:55 am-7:24 pm

2 stops19h 29m

$664

OaklandSan José

OAK - SJO

OAKSJO

Oakland

mié. 6/3

7:40 am-7:00 pm

1 stop10h 20m

San José Juan Santamaria Intl

lun. 6/8

8:45 am-11:45 pm

2 stops16h 00m

$686

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 40 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Oakland to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Oakland with our price prediction graph.
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 Oakland to Costa Rica

What is the cheapest month to book a flight from Oakland, California to Costa Rica?

Currently, November is the cheapest month in which you can book a flight from Oakland, California to Costa Rica (average of $218). Flying from Oakland, California to Costa Rica in June is currently the most expensive (average of $401). 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.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated marzo 24, 2026.
Peruse reviews from past customers who have flown with Southwest and Avianca from Oakland to Costa Rica to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Food

7.0

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Oakland to Costa Rica?

    Located just 7.0 mi from the city center, Oakland (OAK) is the airport most travelers will use when flying to Costa Rica from Oakland.

  • How long is the flight from Oakland, California to Costa Rica?

    For as low as $562, Southwest can have you in Costa Rica from Oakland, California in 12h 10m. The distance between Oakland, California and Costa Rica is about 3034 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Oakland to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Oakland to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Costa Rica.

  • Can I find deals for business class flights from Oakland to Costa Rica?

    Yes. Cheapflights offers flight deals from Oakland to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oakland, California to Costa Rica?

    Currently, November is the cheapest month in which you can book a flight from Oakland, California to Costa Rica (average of $218). Flying from Oakland, California to Costa Rica in June is currently the most expensive (average of $401). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Oakland to Costa Rica

Discover the top 2 airlines that operate flights from Oakland to Costa Rica. 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 2,558,603 searches. Data last updated marzo 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$449Average$759FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$516Average$578FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.