$2,000 Cheap Flights from San José (SJO) to Guam (GUM)

View $2,000 flight on Mon, Nov 3, 2025Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to Barrigada - A.B. Won Pat International Airport (GUM)

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Cheap Flights from San José to Guam (SJO-GUM)

Prices were available within the past 7 days and start at $2,000 for one-way flights and $7,418 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Nov 5 - Mon, Nov 10
SJO
San José
GUM
Guam
$7,418 Roundtrip, found 4 days ago
$7,418
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Nov 5 from San José to Guam, returning Mon, Nov 10, priced at $7,418 found 4 days ago
Alaska Airlines
Wed, Nov 5 - Mon, Nov 10
SJO
San José
GUM
Guam
$7,464 Roundtrip, found 4 days ago
$7,464
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Nov 5 from San José to Guam, returning Mon, Nov 10, priced at $7,464 found 4 days ago

Frequently asked questions

How much does a flight from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM) cost?
Lock in a cheap one-way flight from $2,000 or cheap return flight from $7,418 from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM)?
November is the most affordable month to fly from SJO to GUM. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SJO to GUM flight.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM)?
You'll need to catch a flight with a layover if you're traveling from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SJO to GUM?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM)?
Opt for a flight from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM) last-minute?
Booking your plane ticket from SJO to GUM just before your trip is generally more expensive. However, if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SJO to GUM flight and hotel package?
Compared with arranging flights and hotels separately, booking a SJO to GUM flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to A.B. Won Pat Intl. Airport (GUM)?
If you booked your SJO to GUM flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
Juan Santamaría Intl.
Destination airport
A.B. Won Pat Intl.
Roundtrip price
$7,418
Distance
8704 mi

Book with confidence

San José to Guam Flights

The cheapest times to fly from San José to Guam

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San José to Guam are during the month of November. You can find some of the cheapest flights from San José to Guam with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San José to Guam

Sunday is one of the best days to book for cheap flights from San José to Guam: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San José to Guam

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San José to Guam in 2025. You can also book with separate airlines for your outbound and return journeys, from $2,000 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San José to Guam flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San José to Guam airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San José to Guam Flights
*Available to One Key members.