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Cheap flights from San Antonio to Guam from $1,231

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 Antonio to Guam departing on 9/4. 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

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Find the cheapest flights from San Antonio to Guam

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:15 am - 11:55 pm
SAT
-
GUM
27h 40m
2 stops
Delta Logo
5:20 pm - 12:16 am
GUM
-
SAT
45h 56m
2 stops
$1,953Delta
Fri, Sep 25 - Sun, Oct 4
United Airlines Logo
7:40 am - 6:05 pm
SAT
-
GUM
19h 25m
2 stops
United Airlines Logo
7:10 am - 10:43 am
GUM
-
SAT
18h 33m
2 stops
$1,969United Airlines
Wed, Oct 14 - Fri, Oct 23
Delta Logo
12:05 pm - 3:35 pm
SAT
-
GUM
36h 30m
2 stops
Delta Logo
5:20 pm - 12:28 am
GUM
-
SAT
46h 08m
2 stops
$2,015Delta
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
5:30 am - 6:05 pm
SAT
-
GUM
21h 35m
2 stops
United Airlines Logo
7:05 am - 7:58 pm
GUM
-
SAT
27h 53m
3 stops
$2,019United Airlines
Wed, Aug 19 - Wed, Aug 26
Delta Logo
11:29 am - 11:55 pm
SAT
-
GUM
45h 26m
2 stops
Delta Logo
5:20 pm - 12:26 am
GUM
-
SAT
46h 06m
2 stops
$2,020Delta
Sun, Aug 16 - Mon, Aug 31
Delta Logo
5:15 am - 11:55 pm
SAT
-
GUM
27h 40m
2 stops
Delta Logo
2:00 am - 9:01 pm
GUM
-
SAT
34h 01m
2 stops
$2,040Delta
Fri, Jul 17 - Fri, Sep 18
United Airlines Logo
7:35 am - 6:05 pm
SAT
-
GUM
19h 30m
2 stops
United Airlines Logo
7:10 am - 3:48 pm
GUM
-
SAT
23h 38m
3 stops
$2,174United Airlines
Fri, Sep 25 - Sun, Oct 4
Delta Logo
4:15 pm - 11:55 pm
SAT
-
GUM
40h 40m
2 stops
Delta Logo
2:00 am - 12:26 am
GUM
-
SAT
37h 26m
2 stops
$2,273Delta
Mon, Jul 13 - Mon, Jul 27
United Airlines Logo
7:40 am - 6:05 pm
SAT
-
GUM
19h 25m
2 stops
United Airlines Logo
7:10 am - 3:53 pm
GUM
-
SAT
23h 43m
2 stops
$2,279United Airlines
Mon, Oct 5 - Fri, Oct 9
United Airlines Logo
5:30 am - 6:05 pm
SAT
-
GUM
21h 35m
3 stops
United Airlines Logo
7:10 am - 10:43 am
GUM
-
SAT
18h 33m
2 stops
$2,356United Airlines
Wed, Oct 14 - Fri, Oct 23

Delta flights from San Antonio to Guam

Our best Delta deals on San Antonio to Guam flight tickets
Delta
Sep 25
SAT5:15 amSan Antonio
27h 40m
2 stops
GUM11:55 pmTamuning Guam Intl
Oct 4
GUM5:20 pmTamuning Guam Intl
45h 56m
2 stops
SAT12:16 amSan Antonio
$1,953
Delta
Aug 19
SAT12:05 pmSan Antonio
36h 30m
2 stops
GUM3:35 pmTamuning Guam Intl
Aug 26
GUM5:20 pmTamuning Guam Intl
46h 08m
2 stops
SAT12:28 amSan Antonio
$2,015
Delta
Aug 16
SAT11:29 amSan Antonio
45h 26m
2 stops
GUM11:55 pmTamuning Guam Intl
Aug 31
GUM5:20 pmTamuning Guam Intl
46h 06m
2 stops
SAT12:26 amSan Antonio
$2,020

United Airlines flights from San Antonio to Guam

Our best United Airlines deals on San Antonio to Guam flight tickets
United Airlines
Oct 14
SAT7:40 amSan Antonio
19h 25m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 23
GUM7:10 amTamuning Guam Intl
18h 33m
2 stops
SAT10:43 amSan Antonio
$1,969
United Airlines
Aug 19
SAT5:30 amSan Antonio
21h 35m
2 stops
GUM6:05 pmTamuning Guam Intl
Aug 26
GUM7:05 amTamuning Guam Intl
27h 53m
3 stops
SAT7:58 pmSan Antonio
$2,019
United Airlines
Sep 25
SAT7:35 amSan Antonio
19h 30m
2 stops
GUM6:05 pmTamuning Guam Intl
Oct 4
GUM7:10 amTamuning Guam Intl
23h 38m
3 stops
SAT3:48 pmSan Antonio
$2,174

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio 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 June 7, 2026.
Use the filters below to find and compare flights from San Antonio to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Fri 9/25

5:15 am-11:55 pm

2 stops27h 40m

Tamuning Guam Intl

Sun 10/4

5:20 pm-12:16 am

2 stops45h 56m

$1,953
Quickest round-trip

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Wed 10/14

7:40 am-6:05 pm

2 stops19h 25m

Tamuning Guam Intl

Fri 10/23

7:10 am-10:43 am

2 stops18h 33m

$1,969

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Wed 8/19

12:05 pm-3:35 pm

2 stops36h 30m

Tamuning Guam Intl

Wed 8/26

5:20 pm-12:28 am

2 stops46h 08m

$2,015

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Wed 8/19

5:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Wed 8/26

7:05 am-7:58 pm

3 stops27h 53m

$2,019

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 8/16

11:29 am-11:55 pm

2 stops45h 26m

Tamuning Guam Intl

Mon 8/31

5:20 pm-12:26 am

2 stops46h 06m

$2,020

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Fri 7/17

5:15 am-11:55 pm

2 stops27h 40m

Tamuning Guam Intl

Fri 9/18

2:00 am-9:01 pm

2 stops34h 01m

$2,040

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Fri 9/25

7:35 am-6:05 pm

2 stops19h 30m

Tamuning Guam Intl

Sun 10/4

7:10 am-3:48 pm

3 stops23h 38m

$2,174

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 7/13

4:15 pm-11:55 pm

2 stops40h 40m

Tamuning Guam Intl

Mon 7/27

2:00 am-12:26 am

2 stops37h 26m

$2,273

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 10/5

7:40 am-6:05 pm

2 stops19h 25m

Tamuning Guam Intl

Fri 10/9

7:10 am-3:53 pm

2 stops23h 43m

$2,279

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Wed 10/14

5:30 am-6:05 pm

3 stops21h 35m

Tamuning Guam Intl

Fri 10/23

7:10 am-10:43 am

2 stops18h 33m

$2,356

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Guam from

How to get the cheapest flight ticket from San Antonio 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 March, then book flights to Guam from San Antonio during January instead. Flights to Guam in January, while not as cheap as those in March, still average around $0.

Cheap San Antonio to Guam flight deals and tips

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

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from San Antonio to Guam takes 26h 40m
There are no direct flights from San Antonio to Guam. There are no popular flight routes from San Antonio to Guam.
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Frequently asked questions about flying from San Antonio to Guam

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to Guam.

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

    The travel and health documents required for your trip to Guam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Guam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Antonio to Guam

Compare and see reviews for airlines that fly from San Antonio to Guam with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,471Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Guam for you.

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

momondo does allow users to show only those flights to Guam from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for San Antonio to Guam flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Guam, momondo offers a useful price alert feature which will track prices for flights to Guam from San Antonio and alert you when they change.

An easier way to manage your Guam trip

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