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$199+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap 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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$449
(Kiwi.com)

One-way from

$199
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$536
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 Fremont to Costa Rica
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One-way flight from Fremont to Costa Rica
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Highest demand for flights based on searches. 21% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/291:35 pmSFO - SJO
1 stop9h 17mAlaska Airlines
Mon 5/121:12 amSJO - SFO
1 stop16h 30mAlaska Airlines
Deal found 3/30$411
This JetBlue Airways deal was found by Cheapflights users on 3/31. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1310:59 pmSFO - SJO
1 stop11h 56mJetBlue
Tue 5/201:00 pmSJO - SFO
1 stop11h 59mJetBlue
Deal found 3/31$425
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/138:32 pmSFO - SJO
2 stops15h 24mMultiple Airlines
Fri 4/2511:35 amSJO - SFO
1 stop26h 44mMultiple Airlines
Deal found 3/30$435
This Avianca deal was found by Cheapflights users on 4/1. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/242:20 pmSFO - SJO
1 stop8h 15mAvianca
Sun 6/13:05 pmSJO - SFO
1 stop8h 40mAvianca
Deal found 4/1$451
This Copa Airlines deal was found by Cheapflights users on 4/1. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/81:40 amSFO - SJO
1 stop16h 09mCopa Airlines
Fri 4/1810:05 amSJO - SFO
1 stop14h 35mCopa Airlines
Deal found 4/1$522
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 5/248:49 pmSFO - LIR
2 stops32h 31mAlaska Airlines
Thu 5/2911:20 amLIR - SFO
1 stop13h 59mAlaska Airlines
Deal found 3/31$589
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/114:40 pmSFO - LIR
1 stop19h 50mAir Canada
Thu 4/171:45 pmLIR - SFO
1 stop33h 00mAir Canada
Deal found 4/1$624
This Southwest deal was found by Cheapflights users on 4/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/107:40 pmSFO - LIR
2 stops16h 30mSouthwest
Wed 6/182:10 pmLIR - SFO
2 stops18h 40mSouthwest
Deal found 4/1$629
This Delta deal was found by Cheapflights users on 4/1. 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 12/3112:10 amSFO - LIR
1 stop10h 45mDelta
Tue 1/132:20 pmLIR - SFO
1 stop11h 35mDelta
Deal found 4/1$630
This WestJet deal was found by Cheapflights users on 4/2. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/267:30 amSFO - LIR
2 stops27h 54mWestJet
Fri 7/187:05 amLIR - SFO
2 stops32h 43mWestJet
Deal found 4/2$632
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:44 amSFO - LIR
1 stop11h 26mAmerican Airlines
Fri 9/512:55 pmLIR - SFO
1 stop10h 44mAmerican Airlines
Deal found 4/1$705
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 5/11:30 pmSFO - LIR
1 stop21h 54mMultiple Airlines
Wed 5/79:00 amLIR - SFO
2 stops29h 15mMultiple Airlines
Deal found 3/31$708

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 April 2, 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 FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 4/29

1:35 pm-11:52 pm

1 stop9h 17m

San José Juan Santamaria Intl

Mon 5/12

1:12 am-4:42 pm

1 stop16h 30m

$411

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 5/13

10:59 pm-11:55 am

1 stop11h 56m

San José Juan Santamaria Intl

Tue 5/20

1:00 pm-11:59 pm

1 stop11h 59m

$425

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 4/13

8:32 pm-12:56 pm

2 stops15h 24m

San José Juan Santamaria Intl

Fri 4/25

11:35 am-1:19 pm

1 stop26h 44m

$435

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sat 5/24

2:20 pm-11:35 pm

1 stop8h 15m

San José Juan Santamaria Intl

Sun 6/1

3:05 pm-10:45 pm

1 stop8h 40m

$451

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sat 8/9

1:28 am-6:59 pm

1 stop16h 31m

San José Juan Santamaria Intl

Fri 8/15

10:57 am-11:40 pm

1 stop13h 43m

$540

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sat 5/24

8:49 pm-6:20 am

2 stops32h 31m

Liberia

Thu 5/29

11:20 am-12:19 am

1 stop13h 59m

$589

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sun 5/11

9:20 pm-1:10 pm

2 stops14h 50m

Liberia

Sat 5/17

1:25 pm-8:20 am

2 stops19h 55m

$614

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Thu 6/26

7:30 am-12:24 pm

2 stops27h 54m

Liberia

Fri 7/18

7:05 am-2:48 pm

2 stops32h 43m

$632

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Mon 9/22

9:30 pm-11:47 am

1 stop13h 17m

Liberia

Fri 10/10

1:12 pm-12:46 am

1 stop12h 34m

$680

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Mon 8/25

12:44 am-1:10 pm

1 stop11h 26m

Liberia

Fri 9/5

12:55 pm-10:39 pm

1 stop10h 44m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 27 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, September is the cheapest month in which you can book a flight from Fremont to Costa Rica (average of $398). Flying from Fremont 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 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 April 2, 2025.

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.

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 Sunday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 April 2, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Fremont to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Copa Airlines
7.6
Good
1,400 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
SWISS
7.5
Good
1,572 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $199. Users have also found prices from $219 and $221 on JetBlue and Avianca, respectively.

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

    The cheapest flight price from Fremont to Costa Rica is $617. On average you can expect to pay $1,040. The most popular route, (San Francisco - San José Juan Santamaria Intl), can usually be booked for $314.

  • 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, September is the cheapest month in which you can book a flight from Fremont to Costa Rica (average of $398). Flying from Fremont 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 Fremont to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Fremont to Costa Rica

Discover the top 10 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$267Average$483FlexibilityNo cancel feeOn-time65%
AviancaCheapest$339Average$586FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$344Average$505FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$368Average$506FlexibilityNo cancel feeOn-time62%
DeltaCheapest$386Average$709FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$392Average$689FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$408Average$703FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$419Average$677FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$443Average$818FlexibilityNo cancel feeOn-time69%
AeromexicoCheapest$769Average$952FlexibilityNo cancel feeOn-timeN/A

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