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$1,455+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — GUM
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$1,603
(United Airlines)

One-way from

$1,455
(Delta)

Popular in

October

Cheapest in

May

Average price

$2,376
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. 9% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

This United Airlines deal was found by Cheapflights users on 8/1. 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 12/110:40 amSFO - GUM
1 stop35h 05mUnited Airlines
Thu 12/47:25 amGUM - SFO
1 stop17h 11mUnited Airlines
Deal found 8/1$1,603
This Delta deal was found by Cheapflights users on 7/31. 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 9/1312:45 amSFO - GUM
2 stops30h 25mDelta
Sun 9/215:00 pmGUM - SFO
2 stops44h 05mDelta
Deal found 7/31$2,058

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 August 1, 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 12/1

10:40 am-3:45 pm

1 stop35h 05m

Tamuning Guam Intl

Thu 12/4

7:25 am-6:36 am

1 stop17h 11m

$1,603

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sat 9/13

12:45 am-12:10 am

2 stops30h 25m

Tamuning Guam Intl

Sun 9/21

5:00 pm-8:05 pm

2 stops44h 05m

$2,058

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sat 10/25

6:00 am-2:35 pm

2 stops39h 35m

$1,455

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 8/25

6:00 am-6:05 pm

2 stops19h 05m

$1,811

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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 August 1, 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 August 1, 2025.
See what other customers who have flown with Delta and 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.
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$500Average$2,092FlexibilityNo cancel feeOn-time69%

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