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Cheap flights from San Francisco to Guam from $666

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Guam departing on 9/1. 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
9:43 am - 2:40 pm
SFO
-
GUM
35h 57m
2 stops
Multiple Airlines Logo
4:35 pm - 2:23 pm
GUM
-
SFO
38h 48m
2 stops
$1,397Multiple Airlines
Mon, Oct 19 - Wed, Oct 28
Multiple Airlines Logo
9:43 am - 2:40 pm
SFO
-
GUM
35h 57m
2 stops
Multiple Airlines Logo
4:35 pm - 4:47 pm
GUM
-
SFO
41h 12m
3 stops
$1,402Multiple Airlines
Mon, Oct 19 - Wed, Oct 28
Multiple Airlines Logo
8:50 pm - 2:40 pm
SFO
-
GUM
48h 50m
3 stops
Multiple Airlines Logo
4:35 pm - 2:27 pm
GUM
-
SFO
38h 52m
2 stops
$1,405Multiple Airlines
Mon, Oct 19 - Wed, Oct 28
Multiple Airlines Logo
10:13 pm - 2:40 pm
SFO
-
GUM
47h 27m
3 stops
Multiple Airlines Logo
4:35 pm - 4:47 pm
GUM
-
SFO
41h 12m
3 stops
$1,409Multiple Airlines
Mon, Oct 19 - Wed, Oct 28
Multiple Airlines Logo
8:50 pm - 2:40 pm
SFO
-
GUM
48h 50m
3 stops
Multiple Airlines Logo
4:35 pm - 4:46 pm
GUM
-
SFO
41h 11m
3 stops
$1,413Multiple Airlines
Mon, Oct 19 - Wed, Oct 28
Alaska Airlines Logo
8:30 am - 2:35 pm
SFO
-
GUM
36h 05m
2 stops
Alaska Airlines Logo
4:35 pm - 9:30 pm
GUM
-
SFO
46h 55m
2 stops
$1,434Alaska Airlines
Wed, Nov 11 - Wed, Nov 18
Alaska Airlines Logo
6:05 am - 2:35 pm
SFO
-
GUM
38h 30m
2 stops
Alaska Airlines Logo
4:35 pm - 4:44 pm
GUM
-
SFO
42h 09m
3 stops
$1,439Alaska Airlines
Wed, Nov 11 - Wed, Nov 18
Multiple Airlines Logo
6:00 am - 2:40 pm
SFO
-
GUM
39h 40m
2 stops
Multiple Airlines Logo
4:40 pm - 12:26 pm
GUM
-
SFO
60h 46m
2 stops
$1,466Multiple Airlines
Sun, Oct 18 - Thu, Oct 22
Multiple Airlines Logo
10:13 pm - 2:40 pm
SFO
-
GUM
47h 27m
3 stops
Multiple Airlines Logo
4:40 pm - 11:44 pm
GUM
-
SFO
48h 04m
2 stops
$1,473Multiple Airlines
Sun, Oct 18 - Thu, Oct 22
Multiple Airlines Logo
6:00 am - 2:40 pm
SFO
-
GUM
39h 40m
2 stops
Multiple Airlines Logo
4:35 pm - 10:44 pm
GUM
-
SFO
47h 09m
2 stops
$1,493Multiple Airlines
Thu, Oct 15 - Thu, Oct 29

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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
SFO8:30 amSan Francisco
36h 05m
2 stops
GUM2:35 pmTamuning Guam Intl
Nov 18
GUM4:35 pmTamuning Guam Intl
46h 55m
2 stops
SFO9:30 pmSan Francisco
$1,434
Alaska Airlines
Nov 11
SFO6:05 amSan Francisco
38h 30m
2 stops
GUM2:35 pmTamuning Guam Intl
Nov 18
GUM4:35 pmTamuning Guam Intl
42h 09m
3 stops
SFO4:44 pmSan Francisco
$1,439
Alaska Airlines
Dec 7
SFO7:00 amSan Francisco
37h 35m
2 stops
GUM2:35 pmTamuning Guam Intl
Dec 15
GUM4:35 pmTamuning Guam Intl
44h 24m
2 stops
SFO6:59 pmSan Francisco
$1,581

United Airlines flights from San Francisco to Guam

Our best United Airlines deals on San Francisco to Guam flight tickets
United Airlines
Sep 21
SFO9:20 amSan Francisco
15h 45m
1 stop
GUM6:05 pmTamuning Guam Intl
Oct 12
GUM7:10 amTamuning Guam Intl
15h 53m
1 stop
SFO6:03 amSan Francisco
$1,819
United Airlines
Sep 21
SFO12:29 pmSan Francisco
36h 36m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 12
GUM7:10 amTamuning Guam Intl
22h 20m
2 stops
SFO12:30 pmSan Francisco
$1,833
United Airlines
Oct 15
SFO10:45 amSan Francisco
36h 00m
1 stop
GUM3:45 pmTamuning Guam Intl
Oct 29
GUM7:45 amTamuning Guam Intl
15h 50m
1 stop
SFO6:35 amSan Francisco
$1,835

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 July 19, 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
Quickest round-trip

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 10/19

9:43 am-2:40 pm

2 stops35h 57m

Tamuning Guam Intl

Wed 10/28

4:35 pm-2:23 pm

2 stops38h 48m

$1,397

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 10/19

9:43 am-2:40 pm

2 stops35h 57m

Tamuning Guam Intl

Wed 10/28

4:35 pm-4:47 pm

3 stops41h 12m

$1,402

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 10/19

8:50 pm-2:40 pm

3 stops48h 50m

Tamuning Guam Intl

Wed 10/28

4:35 pm-2:27 pm

2 stops38h 52m

$1,405

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 10/19

10:13 pm-2:40 pm

3 stops47h 27m

Tamuning Guam Intl

Wed 10/28

4:35 pm-4:47 pm

3 stops41h 12m

$1,409

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Mon 10/19

8:50 pm-2:40 pm

3 stops48h 50m

Tamuning Guam Intl

Wed 10/28

4:35 pm-4:46 pm

3 stops41h 11m

$1,413

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Wed 11/11

8:30 am-2:35 pm

2 stops36h 05m

Tamuning Guam Intl

Wed 11/18

4:35 pm-9:30 pm

2 stops46h 55m

$1,434

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Wed 11/11

6:05 am-2:35 pm

2 stops38h 30m

Tamuning Guam Intl

Wed 11/18

4:35 pm-4:44 pm

3 stops42h 09m

$1,439

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sun 10/18

6:00 am-2:40 pm

2 stops39h 40m

Tamuning Guam Intl

Thu 10/22

4:40 pm-12:26 pm

2 stops60h 46m

$1,466

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Sun 10/18

10:13 pm-2:40 pm

3 stops47h 27m

Tamuning Guam Intl

Thu 10/22

4:40 pm-11:44 pm

2 stops48h 04m

$1,473

San FranciscoTamuning

SFO - GUM

SFOGUM

San Francisco

Thu 10/15

6:00 am-2:40 pm

2 stops39h 40m

Tamuning Guam Intl

Thu 10/29

4:35 pm-10:44 pm

2 stops47h 09m

$1,493

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

17h 50m

Direct flights

None
The fastest flight from San Francisco to Guam takes 17h 50m
There are no direct flights from San Francisco to Guam. There are no popular flight routes from San Francisco to Guam.
Search flight deals

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
10,007 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.

An easier way to manage your Guam trip

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