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Guam

$632+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — GUM
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:00 amSFO - GUM
2 stops19h 00mUnited Airlines
Tue 1/67:40 amGUM - SFO
2 stops19h 13mUnited Airlines
Deal found 12/16$2,428
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/2412:10 amSFO - GUM
2 stops28h 55mDelta
Tue 12/304:50 pmGUM - SFO
2 stops46h 30mDelta
Deal found 12/15$2,713
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/2410:23 amSFO - GUM
2 stops58h 12mDelta
Tue 12/304:50 pmGUM - SFO
2 stops46h 30mDelta
Deal found 12/15$2,726
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/2412:10 amSFO - GUM
2 stops28h 55mDelta
Sun 12/281:00 amGUM - SFO
2 stops51h 43mDelta
Deal found 12/15$2,736
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/2410:23 amSFO - GUM
2 stops42h 42mDelta
Sun 12/281:00 amGUM - SFO
2 stops51h 43mDelta
Deal found 12/15$2,750
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/2412:10 amSFO - GUM
2 stops28h 55mDelta
Sat 12/271:00 amGUM - SFO
2 stops40h 59mDelta
Deal found 12/15$2,763
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/2410:23 amSFO - GUM
2 stops42h 42mDelta
Sat 12/271:00 amGUM - SFO
2 stops40h 59mDelta
Deal found 12/15$2,776
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/236:00 amSFO - GUM
2 stops19h 00mUnited Airlines
Wed 12/317:40 amGUM - SFO
1 stop17h 27mUnited Airlines
Deal found 12/15$2,828
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/2412:10 amSFO - GUM
2 stops28h 55mDelta
Fri 1/24:50 pmGUM - SFO
2 stops47h 19mDelta
Deal found 12/15$2,838
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/1711:15 amSFO - GUM
1 stop34h 25mUnited Airlines
Wed 12/247:40 amGUM - SFO
2 stops29h 55mUnited Airlines
Deal found 12/16$2,844
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/1610:40 amSFO - GUM
1 stop17h 05mUnited Airlines
Thu 1/17:40 amGUM - SFO
1 stop16h 58mUnited Airlines
Deal found 12/15$2,850

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,456
(United Airlines)

One-way from

$632
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$2,727
Provider with most accurate pricing for San Francisco-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Tamuning Guam Intl flights.
Search Deals
From San Francisco to Guam
Search Deals
One-way flight from San Francisco to Guam
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 3/2

10:40 am-3:45 pm

1 stop35h 05m

Tamuning Guam Intl

Thu 3/5

7:40 am-6:34 am

1 stop16h 54m

$1,565

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 5/7

6:00 am-6:05 pm

2 stops19h 05m

Tamuning Guam Intl

Tue 5/19

7:05 am-5:12 pm

2 stops27h 07m

$1,818

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Wed 5/13

9:20 am-6:05 pm

1 stop15h 45m

Tamuning Guam Intl

Wed 5/20

7:05 am-10:48 am

2 stops20h 43m

$1,818

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 3/19

10:05 am-6:50 pm

1 stop15h 45m

Tamuning Guam Intl

Tue 3/31

7:05 am-1:15 pm

2 stops23h 10m

$1,818

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sun 3/22

10:44 pm-6:50 pm

2 stops27h 06m

Tamuning Guam Intl

Tue 3/31

7:05 am-10:48 am

2 stops20h 43m

$1,818

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 3/19

6:00 am-6:50 pm

2 stops19h 50m

Tamuning Guam Intl

Thu 3/26

7:25 am-9:38 am

2 stops19h 13m

$1,818

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sun 3/22

10:44 pm-6:50 pm

2 stops27h 06m

Tamuning Guam Intl

Sun 3/29

7:30 pm-9:35 am

1 stop31h 05m

$1,841

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 2/5

6:00 am-11:05 pm

2 stops23h 05m

$1,455

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 1/22

6:00 am-7:05 pm

2 stops19h 05m

$1,820

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Wed 1/21

10:59 pm-7:05 pm

2 stops26h 06m

$1,820

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 14 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 December 18, 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 December 18, 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
9,091 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

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
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

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 05m. United Airlines provides one of the quickest options available for as low as $1,565. 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, 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$486Average$2,167FlexibilityNo cancel feeOn-time69%

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