$1,400 Cheap Flights from San Diego (SAN) to Guam (GUM)

Popular airlines from San Diego Intl. Airport (SAN) to Barrigada - A.B. Won Pat International Airport (GUM)

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Find available prices by choosing your travel dates.

Cheap Flights from San Diego to Guam (SAN-GUM)

Prices were available within the past 7 days and start at $1,400 for one-way flights and $1,311 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
United
Delta
Delta
Delta
United
United
United
Flights from San Diego (SAN) to Guam (GUM)
Origin airport
San Diego Intl.
Destination airport
A.B. Won Pat Intl.
Airlines serving
Delta, United
Roundtrip price
$1,311
Distance
6169 mi

San Diego to Guam Flights

The cheapest times to fly from San Diego 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 Diego to Guam are during the month of September. You can find some of the cheapest flights from San Diego to Guam with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Diego 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 Diego 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 Diego to Guam in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,400 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 Diego 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 Diego 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.

 

Frequently asked questions

Is it cheaper to buy a plane ticket from San Diego Airport to Guam International Airport last minute?
When it comes to booking your flights, being organized pays off. While it’s possible to find a deal on a San Diego Intl. Airport (SAN) to GUM flight at the last minute, fares usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international flights it’s three to four months.
What airports do you fly into for Guam from San Diego?
A.B. Won Pat Intl. Airport (GUM) is where all San Diego to Guam flights set down. It’s located about 3 mi north of the center of Guam. You’ll get spectacular deals on flights, hotels, car rentals and more when booking your Guam break with Expedia.
Can I change the date of my flight from San Diego Intl. Airport (SAN) to A.B. Won Pat Intl. Airport (GUM)?
We know plans can change, so Expedia is here to help make things as easy as possible. First, access your SAN to A.B. Won Pat Intl. Airport (GUM) itinerary through the Expedia Trips portal and look up the ticket rules and conditions about what sorts of changes are allowed. If you booked your plane ticket in the last 24 hours, some airlines will let you cancel without charge and organize new flights. If you booked your fare more than 24 hours ago, get in touch with us via our Customer Service portal so we can help you further.

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