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$153+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 2/257:00 pm
SFO
-
LIR
2 stops15h 32m
American Airlines
Wed 3/43:32 pm
LIR
-
SFO
2 stops21h 18m
American Airlines
Deal found 1/26$343
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/1711:35 pm
SFO
-
LIR
1 stop12h 50m
American Airlines
Wed 3/111:32 pm
LIR
-
SFO
1 stop21h 08m
American Airlines
Deal found 1/26$352
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Sat 2/211:35 am
SFO
-
SJO
1 stop7h 50m
Avianca
Tue 3/33:05 pm
SJO
-
SFO
1 stop8h 45m
Avianca
Deal found 1/26$360
This Orbitz deal was found by Cheapflights users on 1/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2010:34 pm
SFO
-
SJO
1 stop12h 41m
Multiple Airlines
Mon 2/2311:59 pm
SJO
-
SFO
1 stop13h 31m
Multiple Airlines
Deal found 1/26$362
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/11:20 pm
SFO
-
SJO
1 stop17h 20m
Avianca
Wed 3/115:00 am
SJO
-
SFO
1 stop9h 00m
Avianca
Deal found 1/27$364
This CheapOair deal was found by Cheapflights users on 1/26. 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.
Thu 4/92:15 pm
SFO
-
SJO
1 stop8h 25m
Avianca
Thu 4/169:40 am
SJO
-
SFO
1 stop15h 15m
Avianca
Deal found 1/26$365
This Avianca deal was found by Cheapflights users on 1/26. 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.
Thu 4/92:15 pm
SFO
-
SJO
1 stop8h 25m
Avianca
Mon 4/137:45 pm
SJO
-
SFO
1 stop18h 05m
Avianca
Deal found 1/26$368
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 2/219:24 pm
SFO
-
LIR
1 stop18h 34m
Alaska Airlines
Mon 3/27:08 pm
LIR
-
SFO
1 stop14h 23m
Alaska Airlines
Deal found 1/26$368
This Copa Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 3/81:54 am
SFO
-
SJO
2 stops13h 52m
Copa Airlines
Wed 3/1810:08 am
SJO
-
SFO
1 stop14h 32m
Copa Airlines
Deal found 1/27$369
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 2/241:20 pm
SFO
-
SJO
1 stop8h 10m
Avianca
Wed 3/43:05 pm
SJO
-
SFO
1 stop8h 45m
Avianca
Deal found 1/26$370
This Priceline deal was found by Cheapflights users on 1/26. 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.
Mon 2/91:20 pm
SFO
-
SJO
1 stop20h 05m
Avianca
Thu 2/123:05 pm
SJO
-
SFO
1 stop10h 15m
Avianca
Deal found 1/26$371
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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.
Mon 3/26:43 pm
SFO
-
LIR
1 stop10h 02m
Alaska Airlines
Thu 3/57:08 pm
LIR
-
SFO
1 stop22h 21m
Alaska Airlines
Deal found 1/26$374

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$343
(American Airlines)

One-way from

$149
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$657
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 ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 27, 2026.
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

Mon 3/2

6:43 pm-6:45 am

1 stop10h 02m

Liberia

Sun 3/8

6:08 pm-7:31 am

1 stop14h 23m

$368

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 3/8

1:54 am-4:46 pm

2 stops13h 52m

San José Juan Santamaria Intl

Wed 3/18

10:08 am-11:40 pm

1 stop14h 32m

$369

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Tue 4/14

11:05 pm-11:55 am

1 stop11h 50m

Liberia

Wed 4/22

1:00 pm-11:56 pm

1 stop11h 56m

$376

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Mon 4/13

10:00 pm-1:35 pm

1 stop14h 35m

Liberia

Wed 4/22

1:00 pm-11:56 pm

1 stop11h 56m

$376

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sat 4/18

11:10 pm-11:55 am

1 stop11h 45m

Liberia

Wed 4/22

1:00 pm-11:56 pm

1 stop11h 56m

$376

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Tue 4/14

1:43 pm-6:20 am

1 stop15h 37m

Liberia

Thu 4/16

7:40 am-11:25 pm

2 stops16h 45m

$378

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sat 2/21

11:00 am-7:09 pm

Nonstop6h 09m

Liberia

Mon 3/2

7:08 pm-7:31 am

1 stop14h 23m

$379

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Fri 4/10

5:43 pm-6:20 am

1 stop11h 37m

Liberia

Thu 4/16

6:12 pm-7:30 am

1 stop14h 18m

$388

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Wed 4/8

8:00 am-6:20 am

2 stops21h 20m

Liberia

Wed 4/15

6:12 pm-10:17 am

1 stop17h 05m

$416

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Wed 4/15

8:00 am-6:20 am

2 stops21h 20m

Liberia

Mon 4/20

6:12 pm-10:17 am

1 stop17h 05m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 45 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 January 27, 2026.

When flying from Fremont to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 January 27, 2026.

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 January 27, 2026.
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
11,801 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,801 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Copa Airlines
7.5
Good
1,560 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,212 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,201 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Avianca
6.6
Okay
2,486 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 $365, American Airlines 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 $168 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 $593. On average you can expect to pay $1,121. The most popular route, (San Francisco - San José Juan Santamaria Intl), can usually be booked for $334.

  • 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

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.

Alternative routes for Fremont to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Fremont to Costa Rica

Discover the top 8 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$221Average$779FlexibilityNo cancel feeOn-time69%
DeltaCheapest$224Average$727FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$296Average$605FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$315Average$662FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$320Average$512FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$330Average$598FlexibilityNo cancel feeOn-time75%
AviancaCheapest$340Average$636FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$380Average$620FlexibilityNo cancel feeOn-time63%

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