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$141+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SJO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$324
(CheapOair)

One-way from

$141
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$512
Provider with most accurate pricing for San Francisco-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-San José Juan Santamaria Intl flights.
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From Oakland to Costa Rica
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One-way flight from Oakland to Costa Rica
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Highest demand for flights based on searches. 20% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 May 1, 2025.

This CheapOair deal was found by Cheapflights users on 4/29. 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.
Wed 5/2811:51 amOAK - SJO
2 stops22h 42mMultiple Airlines
Wed 6/41:08 pmSJO - OAK
1 stop8h 26mMultiple Airlines
Deal found 4/29$324
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Wed 5/145:45 amOAK - SJO
2 stops27h 42mSpirit Airlines
Fri 5/2312:28 pmSJO - OAK
2 stops23h 28mSpirit Airlines
Deal found 4/29$366
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Sun 5/1110:50 pmOAK - SJO
1 stop10h 24mVolaris El Salvador
Sun 5/1811:15 amSJO - OAK
1 stop10h 44mVolaris El Salvador
Deal found 4/29$447
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/278:00 amOAK - SJO
2 stops14h 46mAlaska Airlines
Mon 6/21:06 amSJO - OAK
2 stops19h 08mAlaska Airlines
Deal found 4/29$499
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/246:20 pmOAK - LIR
2 stops17h 50mSouthwest
Thu 7/32:10 pmLIR - OAK
2 stops19h 45mSouthwest
Deal found 4/30$521
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:00 amOAK - LIR
2 stops22h 20mAlaska Airlines
Wed 6/411:20 amLIR - OAK
2 stops22h 25mAlaska Airlines
Deal found 4/29$607
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/511:51 amOAK - LIR
3 stops26h 39mMultiple Airlines
Sun 6/86:50 amLIR - OAK
2 stops14h 44mMultiple Airlines
Deal found 4/29$743

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 May 1, 2025.
Use the filters below to find and compare flights from Oakland to Costa Rica that are best for you.

Fly from

Oakland

Fly to

Costa Rica

Route

Depart

Return

Price

OaklandSan José

OAK - SJO

OAKSJO

Oakland

Wed 5/28

11:51 am-11:33 am

2 stops22h 42m

San José Juan Santamaria Intl

Wed 6/4

1:08 pm-8:34 pm

1 stop8h 26m

$324

OaklandSan José

OAK - SJO

OAKSJO

Oakland

Wed 5/14

5:45 am-10:27 am

2 stops27h 42m

San José Juan Santamaria Intl

Fri 5/23

12:28 pm-10:56 am

2 stops23h 28m

$366

OaklandSan José

OAK - SJO

OAKSJO

Oakland

Sun 5/11

10:50 pm-10:14 am

1 stop10h 24m

San José Juan Santamaria Intl

Sun 5/18

11:15 am-8:59 pm

1 stop10h 44m

$447

OaklandSan José

OAK - SJO

OAKSJO

Oakland

Thu 5/29

8:00 am-11:46 pm

2 stops14h 46m

San José Juan Santamaria Intl

Sun 6/1

1:06 am-7:14 pm

2 stops19h 08m

$483

OaklandLiberia

OAK - LIR

OAKLIR

Oakland

Tue 6/24

6:20 pm-1:10 pm

2 stops17h 50m

Liberia

Thu 7/3

2:10 pm-8:55 am

2 stops19h 45m

$521

OaklandLiberia

OAK - LIR

OAKLIR

Oakland

Sun 6/1

7:00 am-6:20 am

2 stops22h 20m

Liberia

Wed 6/4

11:20 am-8:45 am

2 stops22h 25m

$607

OaklandLiberia

OAK - LIR

OAKLIR

Oakland

Thu 6/5

11:51 am-3:30 pm

3 stops26h 39m

Liberia

Sun 6/8

6:50 am-8:34 pm

2 stops14h 44m

$743

OaklandSan José

OAK - SJO

OAKSJO

Oakland

Wed 5/28

11:51 am-11:33 am

2 stops22h 42m

$141

OaklandSan José

OAK - SJO

OAKSJO

Oakland

Tue 9/2

10:10 pm-1:57 pm

1 stop14h 47m

$195

OaklandSan José

OAK - SJO

OAKSJO

Oakland

Sun 6/1

10:50 pm-10:14 am

1 stop10h 24m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 15 results
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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, September is the cheapest month in which you can book a flight from Oakland, California to Costa Rica (average of $398). Flying from Oakland, California to Costa Rica in March is currently the most expensive (average of $555). 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.

What is the cheapest time of day to fly from OAK to CR?

Find hourly flight availability from Oakland to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oakland, California to Costa Rica as you normally would.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 May 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Oakland to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
7,963 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Oakland, California to Costa Rica one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $141. Volaris El Salvador flights start at $225 while deals on Southwest start at $257 one-way.

  • 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, September is the cheapest month in which you can book a flight from Oakland, California to Costa Rica (average of $398). Flying from Oakland, California to Costa Rica in March is currently the most expensive (average of $555). 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

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Alternative routes for Oakland to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Oakland to Costa Rica

Discover the top 3 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$267Average$435FlexibilityNo cancel feeOn-time65%
AviancaCheapest$344Average$534FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$468Average$673FlexibilityNo cancel feeOn-time63%

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