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$1,373+ Cheap flights from Tamuning (GUM) to San Francisco (SFO)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Tamuning to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Tamuning (GUM) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$1,373
(United Airlines)

Popular in

August

Cheapest in

April

Average price

$1,672
From Tamuning Guam Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Tamuning to San Francisco

Cheapest flights from Tamuning to San Francisco
Explore the most affordable flight options available from Tamuning to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 10/237:20 amGUM - SFO
1 stop20h 40mUnited Airlines
Tue 11/119:30 amSFO - GUM
1 stop15h 20mUnited Airlines
Deal found 7/29$1,373
This Delta deal was found by Cheapflights users on 7/27. 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 9/151:55 amGUM - SFO
2 stops36h 33mDelta
Tue 9/2312:12 pmSFO - GUM
2 stops42h 58mDelta
Deal found 7/27$1,392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tamuning to San Francisco 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 July 29, 2025.
Use the filters below to find and compare flights from Tamuning to San Francisco that are best for you.

Fly from

Tamuning

Fly to

San Francisco

Route

Depart

Return

Price

TamuningSan Francisco

GUM - SFO

GUMSFO

Tamuning Guam Intl

Thu 10/23

7:20 am-11:00 am

1 stop20h 40m

San Francisco

Tue 11/11

9:30 am-6:50 pm

1 stop15h 20m

$1,373

TamuningSan Francisco

GUM - SFO

GUMSFO

Tamuning Guam Intl

Mon 9/15

1:55 am-9:28 pm

2 stops36h 33m

San Francisco

Tue 9/23

12:12 pm-12:10 am

2 stops42h 58m

$1,392

TamuningSan Francisco

GUM - SFO

GUMSFO

Tamuning Guam Intl

Mon 8/11

7:15 am-11:00 am

1 stop20h 45m

$1,395

TamuningSan Francisco

GUM - SFO

GUMSFO

Tamuning Guam Intl

Sun 8/10

1:55 am-11:48 pm

2 stops38h 53m

$1,961

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Tamuning to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Tamuning 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 Tamuning to San Francisco

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

Currently, January is the cheapest month in which you can book a flight from Tamuning to San Francisco (average of $276). Flying from Tamuning to San Francisco in June is currently the most expensive (average of $358). 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 GUM to SFO?

Find hourly flight availability from Tamuning to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 1% on flights from Tamuning to San Francisco by exploring options for tickets in the morning.

What’s the top layover airport for flights from Tamuning to San Francisco?

Share of 1-stop round-trip flights from Tamuning to San Francisco chosen by Cheapflights users in the past 12 months, using the same layover each way.

Tokyo (NRT) – chosen by Cheapflights users on 50% of 1-stop itineraries from Tamuning to San Francisco on Cheapflights.

What’s the cheapest layover airport for flights from Tamuning to San Francisco?

Average round-trip fare for 1-stop flights from Tamuning to San Francisco, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Honolulu (HNL) is the most affordable 1-stop option, with an average round-trip price of $1,640.

What’s the fastest layover option from Tamuning to San Francisco?

Shortest average travel time for 1-stop one-way flights from Tamuning to San Francisco, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Honolulu (HNL) have the shortest average one-way travel time for 1-stop routes: 9h 04m.

Which airport typically offers the quickest layover for flights from Tamuning to San Francisco?

Average layover duration for 1-stop one-way flights from Tamuning to San Francisco, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Tokyo (NRT) offer the fastest connection on this route, with an average layover time of 2h 28m.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Tamuning to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What are the cheapest airlines flying from Tamuning to San Francisco round-trip?

    United Airlines, at $1,373, was found to be the cheapest airline from Tamuning to San Francisco. An alternate airline flying to your destination would be Delta. United Airlines is priced at 15% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tamuning to San Francisco 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 Tamuning to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Tamuning to San Francisco (average of $276). Flying from Tamuning to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Tamuning to San Francisco

Discover the top airline that operate flights from Tamuning to San Francisco. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,406Average$1,592FlexibilityNo cancel feeOn-time69%

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