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Cheap flights from San Antonio to Guam from $1,372

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 Antonio to Guam departing on 3/3. 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
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.
United Airlines Logo
11:43 am - 3:45 pm
SAT
-
GUM
60h 02m2 stops
United Airlines Logo
7:25 am - 1:14 pm
GUM
-
SAT
21h 49m2 stops
$1,372United Airlines
Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
5:58 pm - 3:45 pm
SAT
-
GUM
53h 47m2 stops
United Airlines Logo
7:25 am - 1:13 pm
GUM
-
SAT
21h 48m2 stops
$1,433United Airlines
Tue, Mar 3 - Sat, Mar 7
Delta Logo
4:29 pm - 11:05 pm
SAT
-
GUM
38h 36m2 stops
Delta Logo
1:00 am - 9:34 pm
GUM
-
SAT
36h 34m2 stops
$1,915Delta
Wed, Feb 4 - Tue, Feb 10
Delta Logo
10:57 am - 11:05 pm
SAT
-
GUM
44h 08m2 stops
Delta Logo
1:00 am - 12:38 am
GUM
-
SAT
38h 38m2 stops
$1,920Delta
Sun, Feb 15 - Wed, Mar 25
United Airlines Logo
7:20 pm - 7:05 pm
SAT
-
GUM
31h 45m3 stops
United Airlines Logo
7:40 am - 9:56 pm
GUM
-
SAT
30h 16m2 stops
$2,228United Airlines
Wed, Feb 4 - Wed, Feb 11
United Airlines Logo
5:20 am - 9:45 pm
SAT
-
GUM
24h 25m3 stops
United Airlines Logo
7:25 am - 1:14 pm
GUM
-
SAT
20h 49m2 stops
$2,304United Airlines
Sun, Feb 15 - Thu, Mar 26

United Airlines flights from San Antonio to Guam

Our best United Airlines deals on San Antonio to Guam flight tickets
United Airlines
Mar 3
SAT11:43 amSan Antonio
60h 02m
2 stops
GUM3:45 pmTamuning Guam Intl
Mar 7
GUM7:25 amTamuning Guam Intl
21h 49m
2 stops
SAT1:14 pmSan Antonio
$1,372
Find similar
United Airlines
Mar 3
SAT5:58 pmSan Antonio
53h 47m
2 stops
GUM3:45 pmTamuning Guam Intl
Mar 7
GUM7:25 amTamuning Guam Intl
21h 48m
2 stops
SAT1:13 pmSan Antonio
$1,433
Find similar
United Airlines
Feb 4
SAT7:20 pmSan Antonio
31h 45m
3 stops
GUM7:05 pmTamuning Guam Intl
Feb 11
GUM7:40 amTamuning Guam Intl
30h 16m
2 stops
SAT9:56 pmSan Antonio
$2,228
Find similar

Delta flights from San Antonio to Guam

Our best Delta deals on San Antonio to Guam flight tickets
Delta
Feb 4
SAT4:29 pmSan Antonio
38h 36m
2 stops
GUM11:05 pmTamuning Guam Intl
Feb 10
GUM1:00 amTamuning Guam Intl
36h 34m
2 stops
SAT9:34 pmSan Antonio
$1,915
Find similar
Delta
Feb 15
SAT10:57 amSan Antonio
44h 08m
2 stops
GUM11:05 pmTamuning Guam Intl
Mar 25
GUM1:00 amTamuning Guam Intl
38h 38m
2 stops
SAT12:38 amSan Antonio
$1,920
Find similar

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 December 22, 2025.
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

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Tue 3/3

11:43 am-3:45 pm

2 stops60h 02m

Tamuning Guam Intl

Sat 3/7

7:25 am-1:14 pm

2 stops21h 49m

$1,372

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Tue 3/3

5:58 pm-3:45 pm

2 stops53h 47m

Tamuning Guam Intl

Sat 3/7

7:25 am-1:13 pm

2 stops21h 48m

$1,433

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Wed 2/4

4:29 pm-11:05 pm

2 stops38h 36m

Tamuning Guam Intl

Tue 2/10

1:00 am-9:34 pm

2 stops36h 34m

$1,915

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 2/15

10:57 am-11:05 pm

2 stops44h 08m

Tamuning Guam Intl

Wed 3/25

1:00 am-12:38 am

2 stops38h 38m

$1,920

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Wed 2/4

7:20 pm-7:05 pm

3 stops31h 45m

Tamuning Guam Intl

Wed 2/11

7:40 am-9:56 pm

2 stops30h 16m

$2,228

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 2/15

5:20 am-9:45 pm

3 stops24h 25m

Tamuning Guam Intl

Thu 3/26

7:25 am-1:14 pm

2 stops20h 49m

$2,304

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 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 day to depart on your flight to Guam?

The cheapest day to depart from San Antonio to Guam is on a Monday when prices can be found for as low as $2,016. Flights from San Antonio to Guam on a Saturday will generally be more expensive and average around $3,146. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Guam?

Flying to Guam from San Antonio in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $2,094 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $2,356.

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

44h 20m

Direct flights

None
The fastest flight from San Antonio to Guam takes 44h 20m
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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  • 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
9,105 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.

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Wed 1/21
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