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$611+ Cheap flights from San Francisco (SFO) to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — GUM
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$1,604
(United Airlines)

One-way from

$611
(Kiwi.com)

Popular in

October

Cheapest in

May

Average price

$2,265
From San Francisco to Guam
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One-way flight from San Francisco to Guam
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Highest demand for flights based on searches. 11% potential increase in price ($255 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 9/2911:35 amSFO - GUM
1 stop35h 15mUnited Airlines
Thu 10/27:10 amGUM - SFO
1 stop16h 22mUnited Airlines
Deal found 9/15$1,604
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 9/2511:35 amSFO - GUM
1 stop35h 15mUnited Airlines
Sun 9/287:10 amGUM - SFO
1 stop16h 22mUnited Airlines
Deal found 9/16$1,704
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/206:00 amSFO - GUM
2 stops18h 50mUnited Airlines
Thu 11/277:40 amGUM - SFO
2 stops27h 58mUnited Airlines
Deal found 9/15$1,817
This Delta deal was found by Cheapflights users on 9/15. 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.
Sun 10/2612:35 amSFO - GUM
2 stops29h 30mDelta
Tue 11/114:50 pmGUM - SFO
2 stops49h 22mDelta
Deal found 9/15$1,903
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 12/187:20 amSFO - GUM
1 stop17h 40mUnited Airlines
Tue 1/67:40 amGUM - SFO
2 stops28h 07mUnited Airlines
Deal found 9/16$1,917
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/2211:48 amSFO - GUM
1 stop37h 12mUnited Airlines
Tue 1/67:40 amGUM - SFO
2 stops28h 07mUnited Airlines
Deal found 9/16$1,934
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/2211:48 amSFO - GUM
1 stop37h 12mUnited Airlines
Wed 1/77:40 amGUM - SFO
1 stop27h 35mUnited Airlines
Deal found 9/16$1,951
This Delta deal was found by Cheapflights users on 9/15. 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 10/306:00 amSFO - GUM
2 stops24h 05mDelta
Thu 11/64:50 pmGUM - SFO
2 stops45h 50mDelta
Deal found 9/15$1,953
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 10/185:30 pmSFO - GUM
2 stops37h 40mDelta
Mon 10/274:50 pmGUM - SFO
2 stops47h 43mDelta
Deal found 9/15$1,963
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 12/219:25 amSFO - GUM
1 stop15h 35mUnited Airlines
Tue 1/67:40 amGUM - SFO
2 stops28h 07mUnited Airlines
Deal found 9/16$1,967

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 September 16, 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

Mon 9/29

11:35 am-3:50 pm

1 stop35h 15m

Tamuning Guam Intl

Thu 10/2

7:10 am-6:32 am

1 stop16h 22m

$1,604

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 11/20

9:30 am-6:50 pm

1 stop15h 20m

Tamuning Guam Intl

Thu 11/27

7:40 am-9:47 am

2 stops20h 07m

$1,817

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Tue 3/10

9:30 am-6:50 pm

1 stop16h 20m

Tamuning Guam Intl

Tue 3/17

7:25 am-6:35 am

1 stop16h 10m

$1,817

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Tue 3/10

6:05 am-11:05 pm

2 stops24h 00m

Tamuning Guam Intl

Mon 3/16

1:00 am-10:30 pm

2 stops38h 30m

$1,853

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 9/29

10:11 pm-3:20 pm

3 stops48h 09m

$611

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Wed 9/24

6:00 am-12:10 am

2 stops25h 10m

$1,455

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sun 9/28

12:45 am-12:10 am

2 stops30h 25m

$1,455

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 12/22

6:00 am-7:00 pm

2 stops19h 00m

$1,811

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 9/29

9:20 am-6:05 pm

1 stop15h 45m

$1,951

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Wed 10/29

11:40 am-3:00 pm

3 stops58h 20m

$1,997

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 11 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, January is the cheapest month in which you can book a flight from San Francisco to Guam (average of $1,977). Flying from San Francisco to Guam in May is currently the most expensive (average of $2,214). 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 September 16, 2025.

When flying from San Francisco to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 16, 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
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

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
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

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 35h 15m. United Airlines provides one of the quickest options available for as low as $1,604. The distance between San Francisco and Guam is about 5800 mi.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Guam (average of $1,977). Flying from San Francisco to Guam in May is currently the most expensive (average of $2,214). 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$500Average$2,093FlexibilityNo cancel feeOn-time69%

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