Cheap flights from Costa Rica to San Francisco from $171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Costa Rica to San Francisco departing on 12/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Costa Rica to San Francisco

Recent round-trip flight deals from Costa Rica to San Francisco

Enter your travel dates to find the best prices.
United Airlines Logo
9:30 am - 2:22 pmLIR-SFO
6h 52mnonstop
United Airlines Logo
11:59 pm - 1:10 pmSFO-LIR
11h 11m1 stop
$299United Airlines
Find Deal
Sun, Feb 1 - Thu, Feb 5
United Airlines Logo
2:20 pm - 10:59 pmLIR-SFO
10h 39m1 stop
United Airlines Logo
6:00 am - 3:51 pmSFO-LIR
7h 51m1 stop
$304United Airlines
Find Deal
Mon, Jan 12 - Sat, Jan 17
Alaska Airlines Logo
11:20 am - 9:25 pmLIR-SFO
12h 05m1 stop
Alaska Airlines Logo
8:45 am - 5:01 pmSFO-LIR
6h 16mnonstop
$309Alaska Airlines
Find Deal
Wed, Feb 4 - Sat, Feb 7
United Airlines Logo
4:53 pm - 8:53 amLIR-SFO
18h 00m1 stop
United Airlines Logo
12:43 am - 1:10 pmSFO-LIR
10h 27m1 stop
$313United Airlines
Find Deal
Sat, Feb 7 - Mon, Feb 9
Alaska Airlines Logo
7:08 pm - 7:31 amLIR-SFO
14h 23m1 stop
Alaska Airlines Logo
9:24 pm - 6:36 amSFO-LIR
8h 12m1 stop
$327Alaska Airlines
Find Deal
Fri, Mar 6 - Mon, Mar 9
Delta Logo
1:40 pm - 10:56 amLIR-SFO
23h 16m2 stops
Delta Logo
9:30 pm - 1:50 pmSFO-LIR
14h 20m1 stop
$332Delta
Find Deal
Sat, Jan 10 - Sat, Jan 17
Alaska Airlines Logo
7:08 pm - 7:31 amLIR-SFO
14h 23m1 stop
Alaska Airlines Logo
6:00 am - 4:58 pmSFO-LIR
9h 58m1 stop
$341Alaska Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
Avianca Logo
9:35 am - 9:50 pmSJO-SFO
14h 15m1 stop
Avianca Logo
1:35 am - 11:25 amSFO-SJO
7h 50m1 stop
$349Avianca
Find Deal
Sat, Feb 28 - Sat, Mar 7
JetBlue Logo
12:55 pm - 11:55 pmSJO-SFO
12h 00m1 stop
JetBlue Logo
11:59 pm - 1:00 pmSFO-SJO
12h 01m1 stop
$357JetBlue
Find Deal
Wed, Apr 29 - Mon, May 4
Avianca Logo
5:00 am - 11:20 pmSJO-SFO
20h 20m1 stop
Avianca Logo
11:10 pm - 1:40 pmSFO-SJO
12h 30m1 stop
$358Avianca
Find Deal
Sat, Feb 21 - Sat, Feb 28

American Airlines flights from Costa Rica to San Francisco

Our best American Airlines deals on Costa Rica to San Francisco flight tickets
American Airlines
Feb 7
LIR1:30 pmLiberia
26h 16m
2 stops
SFO1:46 pmSan Francisco
Feb 9
SFO12:17 amSan Francisco
12h 03m
1 stop
LIR2:20 pmLiberia
American Airlines
Feb 1
LIR3:13 pmLiberia
20h 04m
2 stops
SFO9:17 amSan Francisco
Feb 5
SFO12:17 amSan Francisco
12h 03m
1 stop
LIR2:20 pmLiberia

United Airlines flights from Costa Rica to San Francisco

Our best United Airlines deals on Costa Rica to San Francisco flight tickets
United Airlines
Feb 1
LIR9:30 amLiberia
6h 52m
SFO2:22 pmSan Francisco
Feb 5
SFO11:59 pmSan Francisco
11h 11m
1 stop
LIR1:10 pmLiberia
United Airlines
Jan 12
LIR8:35 amLiberia
17h 24m
1 stop
SFO11:59 pmSan Francisco
Jan 14
SFO5:00 amSan Francisco
11h 37m
1 stop
LIR6:37 pmLiberia
United Airlines
Feb 7
LIR4:53 pmLiberia
18h 00m
1 stop
SFO8:53 amSan Francisco
Feb 9
SFO12:43 amSan Francisco
10h 27m
1 stop
LIR1:10 pmLiberia

momondo Fare Finder

 
Customize your flight search to find flights from Costa Rica to San Francisco 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 26, 2025.
Use the filters below to find and compare flights from Costa Rica to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LiberiaSan Francisco

LIR - SFO

LIRSFO

Liberia

Sun 2/1

9:30 am-2:22 pm

Nonstop6h 52m

San Francisco

Thu 2/5

11:59 pm-1:10 pm

1 stop11h 11m

$299

LiberiaSan Francisco

LIR - SFO

LIRSFO

Liberia

Mon 1/12

2:20 pm-10:59 pm

1 stop10h 39m

San Francisco

Sat 1/17

6:00 am-3:51 pm

1 stop7h 51m

$304

LiberiaSan Francisco

LIR - SFO

LIRSFO

Liberia

Wed 2/4

11:20 am-9:25 pm

1 stop12h 05m

San Francisco

Sat 2/7

8:45 am-5:01 pm

Nonstop6h 16m

$309

LiberiaSan Francisco

LIR - SFO

LIRSFO

Liberia

Sat 2/7

4:53 pm-8:53 am

1 stop18h 00m

San Francisco

Mon 2/9

12:43 am-1:10 pm

1 stop10h 27m

$313

LiberiaSan Francisco

LIR - SFO

LIRSFO

Liberia

Fri 3/6

7:08 pm-7:31 am

1 stop14h 23m

San Francisco

Mon 3/9

9:24 pm-6:36 am

1 stop8h 12m

$327

LiberiaSan Francisco

LIR - SFO

LIRSFO

Liberia

Sat 1/10

1:40 pm-10:56 am

2 stops23h 16m

San Francisco

Sat 1/17

9:30 pm-1:50 pm

1 stop14h 20m

$332

LiberiaSan Francisco

LIR - SFO

LIRSFO

Liberia

Fri 3/6

7:08 pm-7:31 am

1 stop14h 23m

San Francisco

Tue 3/10

6:00 am-4:58 pm

1 stop9h 58m

$341

San JoséSan Francisco

SJO - SFO

SJOSFO

San José Juan Santamaria Intl

Sat 2/28

9:35 am-9:50 pm

1 stop14h 15m

San Francisco

Sat 3/7

1:35 am-11:25 am

1 stop7h 50m

$349

San JoséSan Francisco

SJO - SFO

SJOSFO

San José Juan Santamaria Intl

Wed 4/29

12:55 pm-11:55 pm

1 stop12h 00m

San Francisco

Mon 5/4

11:59 pm-1:00 pm

1 stop12h 01m

$357

San JoséSan Francisco

SJO - SFO

SJOSFO

San José Juan Santamaria Intl

Sat 2/21

5:00 am-11:20 pm

1 stop20h 20m

San Francisco

Sat 2/28

11:10 pm-1:40 pm

1 stop12h 30m

$358

Flights are sorted by cheapest round-trip flights first.

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See travel insights to San Francisco from

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

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $469.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Costa Rica to San Francisco is on a Wednesday when prices can be found for as low as $511. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $761.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Costa Rica to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $430. Flights in the morning are often more expensive with an average ticket price of $615.

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

Fly from San José Juan Santamaria Intl to San Francisco for the best Costa Rica - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Costa Rica when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $542 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Costa Rica for as low as $460 on momondo.

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

There are 3 cabin classes available to choose from on Costa Rica to San Francisco 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 Costa Rica to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Costa Rica to San Francisco.

Cheap Costa Rica to San Francisco flight deals and tips

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

Best Price Found

$171

Fastest flight time

6h 45m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Costa Rica in the past 72 hours is $171. The best round-trip flight deal from Costa Rica to San Francisco found on momondo in the last 72 hours is $402.
The fastest flight from Costa Rica to San Francisco takes 6h 45m
Direct flights go from Costa Rica to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
  • When did momondo last update prices for flights from Costa Rica to San Francisco Airport?

    Prices for flights from Costa Rica to San Francisco Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Costa Rica to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Costa Rica to San Francisco

Compare and see reviews for airlines that fly from Costa Rica to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $337Free CancellationRating
6.6
2,477 reviews
Search Avianca flights
Copa AirlinesPriceFrom $350Free CancellationRating
7.6
1,567 reviews
Search Copa Airlines flights
JetBluePriceFrom $369Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $419Free CancellationRating
8.0
11,363 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Daly City
Walnut Creek
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
Turlock
Pacific Grove

Why use momondo?

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

It is quick and easy to find Costa Rica to San Francisco 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 San Francisco that suits you.

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

momondo does allow users to show only those flights to San Francisco from Costa Rica which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Costa Rica to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to San Francisco from Costa Rica are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Fri 12/26
Fri 1/2

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