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Cheap flights from San Francisco to Guam from $1,421

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Guam departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
38h 35m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:35 pm - 9:39 pmGUM  Tamuning Guam Intl-SFO San Francisco
46h 04m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,421Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
7:00 am - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
38h 35m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:40 pm - 11:52 pmGUM  Tamuning Guam Intl-SFO San Francisco
48h 12m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,443Multiple Airlines
Mon, Sep 21 - Sun, Oct 4
Multiple Airlines Logo
9:02 pm - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
48h 33m3 stops Portland Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:40 pm - 11:52 pmGUM  Tamuning Guam Intl-SFO San Francisco
48h 12m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,497Multiple Airlines
Mon, Sep 21 - Sun, Oct 4
Multiple Airlines Logo
7:23 am - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
38h 12m3 stops Portland Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:35 pm - 3:56 pmGUM  Tamuning Guam Intl-SFO San Francisco
40h 21m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,579Multiple Airlines
Wed, Sep 2 - Wed, Sep 9
Multiple Airlines Logo
7:00 am - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
38h 35m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:35 pm - 6:23 pmGUM  Tamuning Guam Intl-SFO San Francisco
42h 48m3 stops Tokyo Narita Seattle/Tacoma Intl Los Angeles
$1,656Multiple Airlines
Sat, Sep 26 - Tue, Sep 29
Multiple Airlines Logo
7:46 pm - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
49h 49m3 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:35 pm - 6:23 pmGUM  Tamuning Guam Intl-SFO San Francisco
42h 48m3 stops Tokyo Narita Seattle/Tacoma Intl Los Angeles
$1,667Multiple Airlines
Sat, Sep 26 - Tue, Sep 29
Multiple Airlines Logo
6:00 am - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
39h 35m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:35 pm - 10:59 pmGUM  Tamuning Guam Intl-SFO San Francisco
47h 24m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,672Multiple Airlines
Sat, Sep 26 - Tue, Sep 29
Multiple Airlines Logo
9:02 pm - 2:35 pmSFO  San Francisco-GUM Tamuning Guam Intl
48h 33m3 stops Portland Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
4:40 pm - 7:47 pmGUM  Tamuning Guam Intl-SFO San Francisco
44h 07m3 stops Tokyo Narita Seattle/Tacoma Intl Portland
$1,692Multiple Airlines
Mon, Sep 21 - Sun, Oct 4
United Airlines Logo
9:20 am - 7:00 pmSFO  San Francisco-GUM Tamuning Guam Intl
15h 40m1 stop Honolulu
United Airlines Logo
7:45 am - 6:35 amGUM  Tamuning Guam Intl-SFO San Francisco
16h 50m1 stop Honolulu
$1,819United Airlines
Wed, Nov 11 - Wed, Nov 18
United Airlines Logo
9:20 am - 7:00 pmSFO  San Francisco-GUM Tamuning Guam Intl
15h 40m1 stop Honolulu
United Airlines Logo
7:45 am - 11:17 amGUM  Tamuning Guam Intl-SFO San Francisco
21h 32m2 stops Honolulu Los Angeles
$1,819United Airlines
Wed, Nov 11 - Wed, Nov 18

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Alaska Airlines flights from San Francisco to Guam

Our best Alaska Airlines deals on San Francisco to Guam flight tickets
Alaska Airlines
Nov 11
SFO6:05 amSan Francisco
38h 30m
2 stops
GUM2:35 pmTamuning Guam Intl
Nov 18
GUM4:35 pmTamuning Guam Intl
41h 26m
2 stops
SFO4:01 pmSan Francisco
$1,772
Alaska Airlines
Oct 25
SFO10:13 pmSan Francisco
47h 22m
3 stops
GUM2:35 pmTamuning Guam Intl
Oct 30
GUM4:35 pmTamuning Guam Intl
44h 42m
2 stops
SFO8:17 pmSan Francisco
$1,976
Alaska Airlines
Oct 20
SFO9:43 amSan Francisco
35h 57m
2 stops
GUM2:40 pmTamuning Guam Intl
Oct 30
GUM4:35 pmTamuning Guam Intl
42h 35m
3 stops
SFO6:10 pmSan Francisco
$2,011

Delta flights from San Francisco to Guam

Our best Delta deals on San Francisco to Guam flight tickets
Delta
Sep 17
SFO6:23 amSan Francisco
24h 32m
2 stops
GUM11:55 pmTamuning Guam Intl
Sep 29
GUM2:00 amTamuning Guam Intl
35h 18m
2 stops
SFO8:18 pmSan Francisco
$1,904
Delta
Aug 29
SFO6:13 amSan Francisco
40h 22m
2 stops
GUM3:35 pmTamuning Guam Intl
Sep 5
GUM5:20 pmTamuning Guam Intl
43h 45m
2 stops
SFO8:05 pmSan Francisco
$2,214
Delta
Aug 16
SFO6:28 pmSan Francisco
36h 27m
2 stops
GUM11:55 pmTamuning Guam Intl
Aug 23
GUM2:00 amTamuning Guam Intl
38h 50m
2 stops
SFO11:50 pmSan Francisco
$2,494

momondo 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, momondo users made 832,500 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from San Francisco to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Wed 9/2

7:00 am-2:35 pm

2 stops38h 35m

Tamuning Guam Intl

Wed 9/9

4:35 pm-9:39 pm

2 stops46h 04m

$1,421

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Mon 9/21

7:00 am-2:35 pm

2 stops38h 35m

Tamuning Guam Intl

Sun 10/4

4:40 pm-11:52 pm

2 stops48h 12m

$1,443

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Mon 9/21

9:02 pm-2:35 pm

3 stops48h 33m

Tamuning Guam Intl

Sun 10/4

4:40 pm-11:52 pm

2 stops48h 12m

$1,497

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Wed 9/2

7:23 am-2:35 pm

3 stops38h 12m

Tamuning Guam Intl

Wed 9/9

4:35 pm-3:56 pm

2 stops40h 21m

$1,579

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Sat 9/26

7:00 am-2:35 pm

2 stops38h 35m

Tamuning Guam Intl

Tue 9/29

4:35 pm-6:23 pm

3 stops42h 48m

$1,656

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Sat 9/26

7:46 pm-2:35 pm

3 stops49h 49m

Tamuning Guam Intl

Tue 9/29

4:35 pm-6:23 pm

3 stops42h 48m

$1,667

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Sat 9/26

6:00 am-2:35 pm

2 stops39h 35m

Tamuning Guam Intl

Tue 9/29

4:35 pm-10:59 pm

2 stops47h 24m

$1,672

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Mon 9/21

9:02 pm-2:35 pm

3 stops48h 33m

Tamuning Guam Intl

Sun 10/4

4:40 pm-7:47 pm

3 stops44h 07m

$1,692
Quickest round-trip

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Wed 11/11

9:20 am-7:00 pm

1 stop15h 40m

Tamuning Guam Intl

Wed 11/18

7:45 am-6:35 am

1 stop16h 50m

$1,819

San FranciscoTamuning

SFO San Francisco - GUM Tamuning Guam Intl

SFOGUM

San Francisco

Wed 11/11

9:20 am-7:00 pm

1 stop15h 40m

Tamuning Guam Intl

Wed 11/18

7:45 am-11:17 am

2 stops21h 32m

$1,819

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Guam from

How to get the cheapest flight ticket from San Francisco to Guam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Guam?

If you aren’t able to travel during the month of August, then book flights to Guam from San Francisco during January instead. Flights to Guam in January, while not as cheap as those in August, still average around $1,455.

Can stopping save me money on San Francisco to Guam flights?

You could potentially save up to 25% on your flight if you consider stops on a San Francisco to Guam flight.

Cheap San Francisco to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Guam

Fastest flight time

15h 40m

Direct flights

None
The fastest flight from San Francisco to Guam takes 15h 40m
There are no direct flights from San Francisco to Guam. There are no popular flight routes from San Francisco to Guam.
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Frequently asked questions about flying from San Francisco to Guam

  • When did momondo last update prices for flights from San Francisco Airport to Guam?

    Prices for flights from San Francisco Airport to Guam refresh daily.

  • How many operators does momondo search for flights from San Francisco Airport to Guam?

  • How old do you have to be to fly from San Francisco Airport to Guam?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Guam.

  • What documentation or ID do you need to fly to Guam?

    The required travel and health documents for your Guam trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Guam. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Francisco to Guam

Compare and see reviews for airlines that fly from San Francisco to Guam with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,400Free CancellationRating
7.4
10,073 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Guam?

It is quick and easy to find San Francisco to Guam flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Guam that suits you.

Can I find flights from San Francisco to Guam with flexible booking policies on momondo?

Yes. All flights to Guam from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Guam?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Guam from San Francisco.

I’m not ready to book a flight from San Francisco to Guam right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Guam now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Guam and let you know when they change.

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