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$172+ Cheap flights from Fremont, CA 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Fremont to Costa Rica

Cheapest flights from Fremont to Costa Rica
Explore the most affordable flight options available from Fremont to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:20 pmSFO - SJO
1 stop12h 22mFrontier
Wed 1/73:10 pmSJO - SFO
1 stop24h 08mFrontier
Deal found 12/13$443
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/3012:10 amSFO - LIR
1 stop11h 20mDelta
Tue 1/132:05 pmLIR - SFO
1 stop11h 20mDelta
Deal found 12/16$451
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/3012:10 amSFO - LIR
1 stop11h 20mDelta
Mon 1/122:05 pmLIR - SFO
2 stops28h 00mDelta
Deal found 12/16$455
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:20 pmSFO - SJO
1 stop8h 20mMultiple Airlines
Fri 1/92:58 pmSJO - SFO
1 stop24h 33mMultiple Airlines
Deal found 12/16$480
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:20 pmSFO - SJO
1 stop8h 20mMultiple Airlines
Tue 1/137:45 amSJO - SFO
2 stops31h 39mMultiple Airlines
Deal found 12/16$482
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:20 pmSFO - SJO
1 stop8h 20mMultiple Airlines
Wed 1/1412:33 pmSJO - SFO
2 stops26h 51mMultiple Airlines
Deal found 12/16$517
This Priceline deal was found by Cheapflights users on 12/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:20 pmSFO - SJO
1 stop12h 22mFrontier
Wed 1/73:10 pmSJO - SFO
1 stop24h 08mFrontier
Deal found 12/14$528
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:20 pmSFO - SJO
1 stop8h 20mMultiple Airlines
Thu 1/812:33 pmSJO - SFO
2 stops21h 30mMultiple Airlines
Deal found 12/14$540
This Gurufare deal was found by Cheapflights users on 12/15. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:20 pmSFO - SJO
1 stop12h 22mFrontier
Sat 2/282:33 pmSJO - SFO
1 stop33h 06mFrontier
Deal found 12/15$541
This Cheapflightsfares deal was found by Cheapflights users on 12/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:10 pmSFO - SJO
1 stop10h 15mAvianca
Tue 12/235:00 amSJO - SFO
1 stop9h 00mAvianca
Deal found 12/14$552
This Ovago deal was found by Cheapflights users on 12/16. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:30 amSFO - LIR
1 stop27h 25mJetBlue
Sun 1/112:15 pmLIR - SFO
1 stop21h 25mJetBlue
Deal found 12/16$554
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/3010:30 pmSFO - LIR
1 stop13h 20mDelta
Thu 1/82:45 pmLIR - SFO
1 stop11h 02mDelta
Deal found 12/16$555

Find flight deals from Fremont to Costa Rica

Keep the following information in mind while searching for Fremont to Costa Rica flight deals. Data was last updated December 16, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$375
(JetBlue)

One-way from

$172
(Expedia)

Popular in

December

Cheapest in

September

Average price

$930
Provider with most accurate pricing for San Francisco-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-San José Juan Santamaria Intl flights.
Search Deals
From Fremont to Costa Rica
Search Deals
One-way flight from Fremont to Costa Rica
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont 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 December 16, 2025.
Use the filters below to find and compare flights from Fremont to Costa Rica that are best for you.

Fly from

Fremont

Fly to

Costa Rica

Route

Depart

Return

Price

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sat 1/31

11:59 pm-12:55 pm

1 stop10h 56m

Liberia

Thu 2/5

2:00 pm-11:28 pm

1 stop11h 28m

$375

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sat 2/7

11:59 pm-12:55 pm

1 stop10h 56m

Liberia

Thu 2/19

2:00 pm-11:58 pm

1 stop11h 58m

$411

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Mon 3/16

8:45 pm-1:50 pm

1 stop16h 05m

Liberia

Wed 3/25

12:40 pm-11:12 pm

1 stop11h 32m

$417

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 3/2

12:47 pm-12:07 am

1 stop9h 20m

San José Juan Santamaria Intl

Thu 3/5

1:27 am-7:47 pm

2 stops20h 20m

$440

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Tue 3/10

6:00 am-4:58 pm

1 stop9h 58m

Liberia

Mon 3/16

6:08 pm-12:49 pm

2 stops19h 41m

$440

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sat 3/7

9:24 pm-4:58 pm

1 stop17h 34m

Liberia

Sun 3/15

6:08 pm-7:47 pm

2 stops26h 39m

$445

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Fri 1/30

9:54 pm-6:01 pm

1 stop18h 07m

Liberia

Fri 2/6

11:20 am-9:25 pm

1 stop12h 05m

$448

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 3/3

6:00 am-12:07 am

1 stop16h 07m

San José Juan Santamaria Intl

Tue 3/10

1:28 am-8:46 am

2 stops32h 18m

$449

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sat 2/7

8:45 am-5:01 pm

Nonstop6h 16m

Liberia

Thu 2/19

7:08 pm-7:31 am

1 stop14h 23m

$453

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sun 3/15

11:14 pm-11:00 am

1 stop10h 46m

Liberia

Tue 3/24

1:00 pm-11:12 pm

1 stop11h 12m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 44 results
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Best time to book a flight from Fremont to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Fremont 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 Fremont to Costa Rica

What is the cheapest month to book a flight from Fremont to Costa Rica?

Currently, November is the cheapest month in which you can book a flight from Fremont to Costa Rica (average of $219). Flying from Fremont to Costa Rica in June is currently the most expensive (average of $408). 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 FR8 to CR?

Find hourly flight availability from Fremont 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 December 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Fremont to Costa Rica in the afternoon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Fremont to Costa Rica?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Costa Rica. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to Costa Rica flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Fremont to Costa Rica

Explore weekly flight availability from Fremont to Costa Rica. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 16, 2025.

The most flights from FR8 to CR0 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 December 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Copa Airlines, and United Airlines from Fremont 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
11,466 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,466 reviews
Alaska Airlines
8.0
Very good
11,466 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Copa Airlines
7.6
Good
1,556 reviews
Alaska Airlines
8.0
Very good
11,466 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,094 reviews
Alaska Airlines
8.0
Very good
11,466 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,047 reviews
Alaska Airlines
8.0
Very good
11,466 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Avianca
6.6
Okay
2,484 reviews
Alaska Airlines
8.0
Very good
11,466 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Fremont to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Fremont to Costa Rica flight route?

    The Fremont to Costa Rica flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Fremont to Costa Rica?

    For as low as $446, JetBlue can have you in Costa Rica from Fremont in 6h 16m. Fremont and Costa Rica are separated by a distance of 2946 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Fremont to Costa Rica one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $146. Users have also found prices from $169 and $172 on Avianca and Alaska Airlines, respectively.

  • What are the cheapest flights from Fremont to Costa Rica?

    The cheapest flight price from Fremont to Costa Rica is $561. On average you can expect to pay $1,194. The most popular route, (San Francisco - San José Juan Santamaria Intl), can usually be booked for $317.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fremont 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 Fremont to Costa Rica?

    Currently, November is the cheapest month in which you can book a flight from Fremont to Costa Rica (average of $219). Flying from Fremont to Costa Rica in June is currently the most expensive (average of $408). 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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Top 9 airlines flying from Fremont to Costa Rica

Discover the top 9 airlines that operate flights from Fremont 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$315Average$682FlexibilityNo cancel feeOn-time71%
DeltaCheapest$316Average$745FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$797FlexibilityNo cancel feeOn-time69%
AviancaCheapest$344Average$583FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$346Average$613FlexibilityNo cancel feeOn-time75%
Copa AirlinesCheapest$350Average$550FlexibilityNo cancel feeOn-time70%
SouthwestCheapest$380Average$666FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$385Average$535FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$952Average$1,238FlexibilityNo cancel feeOn-timeN/A

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