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$169+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$370
(Alaska Airlines)

One-way from

$169
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$658
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. 16% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/106:53 pmSFO - LIR
1 stop10h 27mAlaska Airlines
Wed 9/1711:20 amLIR - SFO
1 stop13h 39mAlaska Airlines
Deal found 7/29$370
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:45 pmSFO - LIR
2 stops15h 04mAmerican Airlines
Fri 10/1012:45 pmLIR - SFO
2 stops12h 32mAmerican Airlines
Deal found 7/29$413
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 10/1712:50 amSFO - SJO
1 stop16h 26mAmerican Airlines
Wed 10/296:44 amSJO - SFO
2 stops14h 11mAmerican Airlines
Deal found 7/28$448
This Priceline deal was found by Cheapflights users on 7/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:20 pmSFO - SJO
1 stop11h 35mJetBlue
Mon 9/291:00 pmSJO - SFO
1 stop22h 18mJetBlue
Deal found 7/29$451
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Wed 8/278:00 amSFO - SJO
2 stops28h 54mMultiple Airlines
Fri 9/53:05 pmSJO - SFO
1 stop8h 40mMultiple Airlines
Deal found 7/30$453
This Booking.com deal was found by Cheapflights users on 7/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:30 amSFO - SJO
1 stop29h 49mCopa Airlines
Tue 9/305:54 pmSJO - SFO
1 stop30h 45mCopa Airlines
Deal found 7/31$460
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 11/76:00 amSFO - SJO
1 stop16h 38mAlaska Airlines
Mon 11/171:58 amSJO - SFO
2 stops17h 29mAlaska Airlines
Deal found 7/29$463
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/249:05 pmSFO - SJO
2 stops14h 40mSouthwest
Wed 9/38:50 amSJO - SFO
2 stops14h 35mSouthwest
Deal found 7/31$466
This Priceline deal was found by Cheapflights users on 7/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/232:20 pmSFO - SJO
1 stop8h 15mAvianca
Tue 9/25:05 amSJO - SFO
1 stop8h 30mAvianca
Deal found 7/30$468

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 July 31, 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

Wed 9/10

6:53 pm-6:20 am

1 stop10h 27m

Liberia

Wed 9/17

11:20 am-11:59 pm

1 stop13h 39m

$370

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Mon 9/22

7:45 pm-11:49 am

2 stops15h 04m

Liberia

Fri 10/10

12:45 pm-12:17 am

2 stops12h 32m

$413

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Fri 10/17

12:50 am-6:16 pm

1 stop16h 26m

San José Juan Santamaria Intl

Wed 10/29

6:44 am-7:55 pm

2 stops14h 11m

$448

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Mon 9/22

11:20 pm-11:55 am

1 stop11h 35m

San José Juan Santamaria Intl

Mon 9/29

1:00 pm-10:18 am

1 stop22h 18m

$451

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Wed 8/27

8:00 am-1:54 pm

2 stops28h 54m

San José Juan Santamaria Intl

Fri 9/5

3:05 pm-10:45 pm

1 stop8h 40m

$453

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sat 9/20

1:30 am-8:19 am

1 stop29h 49m

San José Juan Santamaria Intl

Tue 9/30

5:54 pm-11:39 pm

1 stop30h 45m

$460

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sat 10/11

12:05 am-1:30 pm

1 stop12h 25m

San José Juan Santamaria Intl

Mon 10/27

3:05 pm-10:50 pm

1 stop8h 45m

$463

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 8/24

9:05 pm-12:45 pm

2 stops14h 40m

San José Juan Santamaria Intl

Wed 9/3

8:50 am-10:25 pm

2 stops14h 35m

$466

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Thu 10/9

5:22 pm-7:04 pm

2 stops24h 42m

San José Juan Santamaria Intl

Sat 10/25

6:30 am-7:34 am

1 stop26h 04m

$483

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Wed 10/15

6:00 am-5:28 pm

1 stop10h 28m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 21 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 July 31, 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 Tuesday evenings 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 July 31, 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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Copa 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
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

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
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,493 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

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 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 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 $169. Users have also found prices from $189 and $223 on American Airlines and JetBlue, respectively.

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

    The cheapest flight price from Fremont to Costa Rica is $571. On average you can expect to pay $1,337. The most popular route, (San Francisco - San José Juan Santamaria Intl), can usually be booked for $375.

  • 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 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$344Average$492FlexibilityNo cancel feeOn-time70%
AviancaCheapest$344Average$592FlexibilityNo cancel feeOn-time71%
DeltaCheapest$350Average$731FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$362Average$713FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$391Average$648FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$392Average$660FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$398Average$510FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$415Average$801FlexibilityNo cancel feeOn-time69%
AeromexicoCheapest$952Average$1,358FlexibilityNo cancel feeOn-timeN/A

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