$1,241 Cheap Flights from Guam (GUM) to San Francisco (SFO)

View $1,241 flight on Sat, Nov 8, 2025Opens in a new window

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

Cheap Flights from Guam to San Francisco (GUM-SFO)

Prices were available within the past 7 days and start at $1,241 for one-way flights and $1,373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 21 - Tue, Feb 3
GUM
Guam
SFO
San Francisco
$1,373 Roundtrip, found 11 hours ago
$1,373
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Jan 21 from Guam to San Francisco, returning Tue, Feb 3, priced at $1,373 found 11 hours ago
United
Tue, Jan 27 - Wed, Feb 11
GUM
Guam
SFO
San Francisco
$1,376 Roundtrip, found 11 hours ago
$1,376
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jan 27 from Guam to San Francisco, returning Wed, Feb 11, priced at $1,376 found 11 hours ago
United
Wed, Jan 21 - Sun, Feb 8
GUM
Guam
SFO
San Francisco
$1,377 Roundtrip, found 11 hours ago
$1,377
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Jan 21 from Guam to San Francisco, returning Sun, Feb 8, priced at $1,377 found 11 hours ago
United
Tue, Jan 27 - Thu, Feb 12
GUM
Guam
SFO
San Francisco
$1,379 Roundtrip, found 11 hours ago
$1,379
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Jan 27 from Guam to San Francisco, returning Thu, Feb 12, priced at $1,379 found 11 hours ago
United
Thu, Feb 19 - Sun, Mar 8
GUM
Guam
SFO
San Francisco
$1,381 Roundtrip, found 1 day ago
$1,381
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 19 from Guam to San Francisco, returning Sun, Mar 8, priced at $1,381 found 1 day ago
United
Wed, Jan 28 - Thu, Feb 5
GUM
Guam
SFO
San Francisco
$1,382 Roundtrip, found 4 days ago
$1,382
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 28 from Guam to San Francisco, returning Thu, Feb 5, priced at $1,382 found 4 days ago
United
Wed, Jan 28 - Thu, Feb 5
GUM
Guam
SFO
San Francisco
$1,383 Roundtrip, found 4 days ago
$1,383
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 28 from Guam to San Francisco, returning Thu, Feb 5, priced at $1,383 found 4 days ago
United
Sun, Jan 25 - Tue, Feb 3
GUM
Guam
SFO
San Francisco
$1,385 Roundtrip, found 11 hours ago
$1,385
Roundtrip
found 11 hours ago
Select United flight, departing Sun, Jan 25 from Guam to San Francisco, returning Tue, Feb 3, priced at $1,385 found 11 hours ago
Delta
Tue, Feb 10 - Tue, Mar 10
GUM
Guam
SFO
San Francisco
$1,392 Roundtrip, found 1 day ago
$1,392
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Feb 10 from Guam to San Francisco, returning Tue, Mar 10, priced at $1,392 found 1 day ago
Korean Air
Wed, Mar 4 - Wed, Mar 18
GUM
Guam
SFO
San Francisco
$1,394 Roundtrip, found 1 day ago
$1,394
Roundtrip
found 1 day ago
Select Korean Air flight, departing Wed, Mar 4 from Guam to San Francisco, returning Wed, Mar 18, priced at $1,394 found 1 day ago

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Oakland Intl. OAK. Average driving time to city center is 26 minutes. Flights from $1,492
OAK
Oakland Intl.
Average driving time to city center26 min
Flights from $1,492

Frequently asked questions

How much does a flight from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO) cost?
Lock in a cheap one-way flight from $1,241 or cheap return flight from $1,373 from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO) 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 A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO)?
January is the cheapest month to fly from GUM to SFO. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO)?
To find the cheapest airline that'll fly you from GUM to SFO, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO)?
You'll need to catch a flight with a layover if you're traveling from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from GUM to SFO?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO)?
Choose a flight from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO) that leaves before 3 PM to reduce the risk of cancellations. Later departures 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 A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO) last-minute?
Holding off until just before your departure to book a flight from GUM to SFO generally means paying more. While you may come across some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a GUM to SFO flight and hotel package?
Securing a GUM to SFO flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from A.B. Won Pat Intl. Airport (GUM) to San Francisco Intl. Airport (SFO)?
If you booked your GUM to SFO 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 ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
A.B. Won Pat Intl.
Destination airport
San Francisco Intl.
Airlines serving
Delta, United
Roundtrip price
$1,372
Distance
5802 mi

Book with confidence

Guam to San Francisco Flights

The cheapest times to fly from Guam to San Francisco

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 Guam to San Francisco are during the month of January. You can find some of the cheapest flights from Guam to San Francisco with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Guam to San Francisco: 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 Guam to San Francisco

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 Guam to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,241 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 Guam to San Francisco 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 Guam to San Francisco 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.

 

Guam to San Francisco Flights

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*Available to One Key members.