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$1,413+ Cheap flights from San Francisco (SFO) to Guam

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — GUM
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from San Francisco to Guam

Keep the following information in mind while searching for San Francisco to Guam flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,413
(United Airlines)

Popular in

October

Cheapest in

May

Average price

$2,633
Provider with most accurate pricing for San Francisco-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Tamuning Guam Intl flights.
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From San Francisco to Guam
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Highest demand for flights based on searches. 10% potential increase in price ($232 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from San Francisco to Guam

Cheapest flights from San Francisco to Guam
Explore the most affordable flight options available from San Francisco to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2510:40 amSFO - GUM
1 stop35h 05mUnited Airlines
Fri 11/287:40 amGUM - SFO
1 stop16h 56mUnited Airlines
Deal found 10/29$1,413
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:40 amSFO - GUM
1 stop35h 05mUnited Airlines
Mon 12/17:40 amGUM - SFO
1 stop25h 40mUnited Airlines
Deal found 10/28$1,515
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:00 amSFO - GUM
2 stops23h 05mDelta
Wed 12/34:50 pmGUM - SFO
2 stops49h 29mDelta
Deal found 10/29$1,903
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:20 pmSFO - GUM
2 stops39h 45mDelta
Mon 3/305:00 pmGUM - SFO
2 stops47h 57mDelta
Deal found 10/30$1,913
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amSFO - GUM
2 stops23h 05mDelta
Thu 12/41:00 amGUM - SFO
2 stops35h 56mDelta
Deal found 10/30$2,153
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:00 amSFO - GUM
2 stops18h 50mUnited Airlines
Fri 12/57:40 amGUM - SFO
1 stop16h 56mUnited Airlines
Deal found 10/30$2,178
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amSFO - GUM
2 stops23h 05mDelta
Thu 11/274:50 pmGUM - SFO
2 stops48h 03mDelta
Deal found 10/30$2,253
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1310:59 pmSFO - GUM
2 stops25h 51mUnited Airlines
Sat 12/207:40 amGUM - SFO
2 stops30h 02mUnited Airlines
Deal found 10/29$2,293

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Guam 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, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San Francisco to Guam that are best for you.

Fly from

San Francisco

Fly to

Guam

Route

Depart

Return

Price

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Tue 11/25

7:25 am-3:45 pm

2 stops38h 20m

Tamuning Guam Intl

Fri 11/28

7:40 am-6:36 am

1 stop16h 56m

$1,418

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Wed 11/26

6:00 am-11:05 pm

2 stops23h 05m

Tamuning Guam Intl

Wed 12/3

4:50 pm-12:19 am

2 stops49h 29m

$1,903

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Tue 1/6

6:00 am-7:05 pm

2 stops19h 05m

Tamuning Guam Intl

Tue 1/13

7:40 am-12:00 pm

2 stops22h 20m

$1,918

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Fri 11/28

6:00 am-3:45 pm

2 stops39h 45m

Tamuning Guam Intl

Mon 12/1

7:40 am-3:20 pm

1 stop25h 40m

$2,129

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 12/1

6:00 am-11:05 pm

2 stops23h 05m

Tamuning Guam Intl

Fri 12/5

4:50 pm-6:56 pm

2 stops44h 06m

$2,153

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 12/1

9:30 am-6:50 pm

1 stop15h 20m

Tamuning Guam Intl

Fri 12/5

7:40 am-6:36 am

1 stop16h 56m

$2,178

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 11/20

6:00 am-11:05 pm

2 stops23h 05m

Tamuning Guam Intl

Wed 11/26

1:00 am-7:46 pm

2 stops36h 46m

$2,203

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 11/17

6:00 am-11:05 pm

2 stops23h 05m

$1,455

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sun 12/7

8:46 pm-6:50 pm

2 stops28h 04m

$1,811

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 12/22

10:35 pm-7:00 pm

2 stops26h 25m

$1,811

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 12 results
1
2

Best time to book a flight from San Francisco to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Guam

What is the cheapest month to book a flight from San Francisco to Guam?

Currently, April is the cheapest month in which you can book a flight from San Francisco to Guam (average of $285). Flying from San Francisco to Guam in July is currently the most expensive (average of $1,993). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to GU?

Find hourly flight availability from San Francisco to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from San Francisco to Guam, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the morning.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Guam. Reviews last updated October 30, 2025.
See what other customers who have flown with United Airlines from San Francisco to Guam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Guam?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Guam. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How long is the flight from San Francisco to Guam?

    A quick flight from San Francisco to Guam can take about 23h 05m. United Airlines provides one of the quickest options available for as low as $1,903. The distance between San Francisco and Guam is about 5800 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from San Francisco to Guam that include hotel bookings?

    Yes. In addition to deals on San Francisco to Guam flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Guam?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Guam.

  • Can I find deals for business class flights from San Francisco to Guam?

    Yes. Cheapflights offers flight deals from San Francisco to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Guam?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Guam (average of $285). Flying from San Francisco to Guam in July is currently the most expensive (average of $1,993). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from San Francisco to Guam

Discover the top airline that operate flights from San Francisco to Guam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$500Average$2,107FlexibilityNo cancel feeOn-time69%

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