Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Costa Rica from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Costa Rica departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Francisco to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:00 am - 12:22 pmSFO-SJO
26h 22m2 stops
Multiple Airlines Logo
1:27 am - 12:07 pmSJO-SFO
12h 40m1 stop
$415Multiple Airlines
Find Deal
Tue, Feb 24 - Sun, Mar 1
Multiple Airlines Logo
6:18 am - 10:19 amSFO-SJO
26h 01m2 stops
Multiple Airlines Logo
1:30 am - 7:53 pmSJO-SFO
20h 23m1 stop
$416Multiple Airlines
Find Deal
Tue, Dec 2 - Thu, Dec 11
Multiple Airlines Logo
8:48 am - 1:52 pmSFO-SJO
27h 04m2 stops
Multiple Airlines Logo
1:30 am - 7:53 pmSJO-SFO
20h 23m1 stop
$417Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 14
Multiple Airlines Logo
6:30 am - 11:42 amSFO-SJO
27h 12m2 stops
Multiple Airlines Logo
1:30 am - 9:11 pmSJO-SFO
21h 41m1 stop
$418Multiple Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9
Multiple Airlines Logo
6:18 am - 10:19 amSFO-SJO
26h 01m2 stops
Multiple Airlines Logo
1:30 am - 7:53 pmSJO-SFO
20h 23m1 stop
$419Multiple Airlines
Find Deal
Tue, Dec 2 - Sun, Dec 14
Copa Airlines Logo
12:36 am - 4:53 pmSFO-SJO
14h 17m1 stop
Copa Airlines Logo
8:47 am - 11:17 pmSJO-SFO
16h 30m1 stop
$422Copa Airlines
Find Deal
Sun, Dec 7 - Tue, Dec 16
Alaska Airlines Logo
1:19 pm - 6:01 pmSFO-LIR
26h 42m2 stops
Alaska Airlines Logo
11:20 am - 9:25 pmLIR-SFO
12h 05m1 stop
$447Alaska Airlines
Find Deal
Wed, Jan 21 - Tue, Jan 27
Alaska Airlines Logo
10:35 pm - 6:20 amSFO-LIR
29h 45m2 stops
Alaska Airlines Logo
11:20 am - 7:36 pmLIR-SFO
10h 16m1 stop
$448Alaska Airlines
Find Deal
Sun, Jan 4 - Thu, Jan 15
United Airlines Logo
7:18 am - 6:37 pmSFO-LIR
9h 19m1 stop
United Airlines Logo
12:50 pm - 10:58 pmLIR-SFO
12h 08m1 stop
$449United Airlines
Find Deal
Thu, Jan 8 - Mon, Feb 2
American Airlines Logo
11:59 pm - 12:26 pmSFO-LIR
10h 27m1 stop
American Airlines Logo
3:13 pm - 11:07 amLIR-SFO
21h 54m1 stop
$450American Airlines
Find Deal
Sun, Jan 4 - Sun, Jan 11

Avianca flights from San Francisco to Costa Rica

Our best Avianca deals on San Francisco to Costa Rica flight tickets
Avianca
Mar 12
SFO2:20 pmSan Francisco
8h 20m
1 stop
SJO11:40 pmSan José Juan Santamaria Intl
Mar 24
SJO6:00 amSan José Juan Santamaria Intl
18h 40m
2 stops
SFO11:40 pmSan Francisco
$444
Find similar
Avianca
Nov 27
SFO1:35 amSan Francisco
7h 50m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
Dec 5
SJO3:05 pmSan José Juan Santamaria Intl
8h 45m
1 stop
SFO9:50 pmSan Francisco
$483
Find similar
Avianca
Nov 27
SFO1:35 amSan Francisco
10h 05m
1 stop
SJO1:40 pmSan José Juan Santamaria Intl
Dec 3
SJO4:30 pmSan José Juan Santamaria Intl
21h 30m
1 stop
SFO12:00 pmSan Francisco
$501
Find similar

Alaska Airlines flights from San Francisco to Costa Rica

Our best Alaska Airlines deals on San Francisco to Costa Rica flight tickets
Alaska Airlines
Jan 26
SFO9:35 amSan Francisco
12h 24m
1 stop
SJO11:59 pmSan José Juan Santamaria Intl
Feb 2
SJO1:16 amSan José Juan Santamaria Intl
17h 06m
2 stops
SFO4:22 pmSan Francisco
$425
Find similar
Alaska Airlines
Mar 2
SFO11:42 amSan Francisco
10h 25m
1 stop
SJO12:07 amSan José Juan Santamaria Intl
Mar 5
SJO1:27 amSan José Juan Santamaria Intl
32h 04m
1 stop
SFO7:31 amSan Francisco
$428
Find similar
Alaska Airlines
Jan 25
SFO2:56 pmSan Francisco
31h 03m
1 stop
SJO11:59 pmSan José Juan Santamaria Intl
Feb 2
SJO1:16 amSan José Juan Santamaria Intl
17h 06m
2 stops
SFO4:22 pmSan Francisco
$435
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco 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, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from San Francisco to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 2/24

8:00 am-12:22 pm

2 stops26h 22m

San José Juan Santamaria Intl

Sun 3/1

1:27 am-12:07 pm

1 stop12h 40m

$415

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 12/2

6:18 am-10:19 am

2 stops26h 01m

San José Juan Santamaria Intl

Thu 12/11

1:30 am-7:53 pm

1 stop20h 23m

$416

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Fri 12/5

8:48 am-1:52 pm

2 stops27h 04m

San José Juan Santamaria Intl

Sun 12/14

1:30 am-7:53 pm

1 stop20h 23m

$417

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Thu 12/4

6:30 am-11:42 am

2 stops27h 12m

San José Juan Santamaria Intl

Tue 12/9

1:30 am-9:11 pm

1 stop21h 41m

$418

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Tue 12/2

6:18 am-10:19 am

2 stops26h 01m

San José Juan Santamaria Intl

Sun 12/14

1:30 am-7:53 pm

1 stop20h 23m

$419

San FranciscoSan José

SFO - SJO

SFOSJO

San Francisco

Sun 12/7

12:36 am-4:53 pm

1 stop14h 17m

San José Juan Santamaria Intl

Tue 12/16

8:47 am-11:17 pm

1 stop16h 30m

$422

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Wed 1/21

1:19 pm-6:01 pm

2 stops26h 42m

Liberia

Tue 1/27

11:20 am-9:25 pm

1 stop12h 05m

$447

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sun 1/4

10:35 pm-6:20 am

2 stops29h 45m

Liberia

Thu 1/15

11:20 am-7:36 pm

1 stop10h 16m

$448

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Thu 1/8

7:18 am-6:37 pm

1 stop9h 19m

Liberia

Mon 2/2

12:50 pm-10:58 pm

1 stop12h 08m

$449

San FranciscoLiberia

SFO - LIR

SFOLIR

San Francisco

Sun 1/4

11:59 pm-12:26 pm

1 stop10h 27m

Liberia

Sun 1/11

3:13 pm-11:07 am

1 stop21h 54m

$450

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Costa Rica from

How to get the cheapest flight ticket from San Francisco to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from San Francisco is in September. Flight prices, which tend to average around $526, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then May is your next best option. Flight prices from San Francisco to Costa Rica during May average around $528.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Tuesday is the cheapest day to fly to Costa Rica from San Francisco. The lowest ticket price found for a Tuesday departure recently was $710. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $777. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

At noon is the cheapest time of day to fly from San Francisco to Costa Rica when you can find flight prices for as low as $486. Flying to Costa Rica at noon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the evening, with an average ticket price of $751. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Francisco to Costa Rica flight route?

Fly from San Francisco to Liberia for the best San Francisco - Costa Rica flight prices

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $635 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from San Francisco for as low as $565 on momondo.

What cabin class options are available on San Francisco to Costa Rica flights?

There are 4 cabin classes available to choose from on San Francisco to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Costa Rica flights?

You could potentially save up to 36% on your flight if you consider stops on a San Francisco to Costa Rica flight.

Cheap San Francisco to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Costa Rica

Best Price Found

$463

Fastest flight time

6h 09m

Direct flights

Every day

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from San Francisco in the past 72 hours is $463. The best round-trip flight deal from San Francisco to Costa Rica found on momondo in the last 72 hours is $616.
The fastest flight from San Francisco to Costa Rica takes 6h 09m
Direct flights go from San Francisco to Costa Rica every day.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)
Search flight deals

  • When did momondo last update prices for flights from San Francisco Airport to Costa Rica?

    Prices for flights from San Francisco Airport to Costa Rica are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Costa Rica?

  • How old do you have to be to fly from San Francisco Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Costa Rica?

Best airlines flying from San Francisco to Costa Rica

Compare and see reviews for airlines that fly from San Francisco to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $346Free CancellationRating
7.6
1,565 reviews
Search Copa Airlines flights
AviancaPriceFrom $365Free CancellationRating
6.6
2,475 reviews
Search Avianca flights
Alaska AirlinesPriceFrom $382Free CancellationRating
8.0
11,281 reviews
Search Alaska Airlines flights
JetBluePriceFrom $394Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom $459Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $499Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
SouthwestPriceFrom $529Free CancellationRating
8.0
4,236 reviews
Search Southwest flights
United AirlinesPriceFrom $565Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
AeromexicoPriceFrom $952Free CancellationRating
7.4
1,672 reviews
Search Aeromexico flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Costa Rica?

It is quick and easy to find San Francisco to Costa Rica flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Costa Rica that suits you.

Can I find flights from San Francisco to Costa Rica with flexible booking policies on momondo?

Yes. All flights to Costa Rica from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from San Francisco.

I’m not ready to book a flight from San Francisco to Costa Rica right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Costa Rica flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo
Flights to San Joséfrom $141
Flights to Liberiafrom $210
Flights to Limon
Flights to Tamarindo
Flights to Golfito
Flights to Buenos Aires, Puntarenas
Flights to Palmar Sur