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$1,133+ Cheap flights from San Antonio (SAT) to Guam

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GUM
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from San Antonio to Guam

Cheapest flights from San Antonio to Guam
Explore the most affordable flight options available from San Antonio to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 10/107:00 pm
SAT
-
GUM
2 stops53h 50m
United Airlines
Wed 10/147:10 am
GUM
-
SAT
2 stops29h 03m
United Airlines
Deal found 1/26$1,133
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:30 am
SAT
-
GUM
2 stops19h 35m
United Airlines
Tue 7/287:05 am
GUM
-
SAT
2 stops29h 08m
United Airlines
Deal found 1/27$2,019
This Delta deal was found by Cheapflights users on 1/27. 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.
Fri 3/136:32 am
SAT
-
GUM
2 stops41h 03m
Delta
Thu 3/191:00 am
GUM
-
SAT
2 stops38h 16m
Delta
Deal found 1/27$2,176
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 1/287:40 am
SAT
-
GUM
2 stops19h 25m
United Airlines
Wed 2/187:40 am
GUM
-
SAT
2 stops26h 10m
United Airlines
Deal found 1/26$2,829

Find flight deals from San Antonio to Guam

Keep the following information in mind while searching for San Antonio to Guam flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$2,019
(United Airlines)

One-way from

$1,548
(Delta)

Popular in

December

Cheapest in

September
Provider with most accurate pricing for San Antonio-Tamuning Guam Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Tamuning Guam Intl flights.
Search Deals
From San Antonio to Guam
Search Deals
One-way flight from San Antonio to Guam
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($80 potential savings vs. average RT price).
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from San Antonio to Guam that are best for you.

Fly from

San Antonio

Fly to

Guam

Route

Depart

Return

Price

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 7/13

7:30 am-6:05 pm

2 stops19h 35m

Tamuning Guam Intl

Tue 7/28

7:05 am-9:07 pm

2 stops29h 02m

$2,019

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Tue 7/14

5:45 am-6:05 pm

2 stops21h 20m

Tamuning Guam Intl

Tue 7/28

7:05 am-9:07 pm

2 stops29h 02m

$2,019

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Fri 3/13

6:32 am-2:35 pm

2 stops41h 03m

Tamuning Guam Intl

Thu 3/19

1:00 am-12:16 am

2 stops38h 16m

$2,176

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Fri 3/27

6:17 pm-11:55 pm

2 stops38h 38m

$1,548

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Best time to book a flight from San Antonio to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from San Antonio 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 San Antonio to Guam

What is the cheapest month to book a flight from San Antonio to Guam?

Currently, January is the cheapest month in which you can book a flight from San Antonio to Guam (average of $1,059). Flying from San Antonio to Guam in December is currently the most expensive (average of $2,067). 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.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with United Airlines from San Antonio to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

  • What airport do you fly from for flights from San Antonio to Guam?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Guam. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from San Antonio to Guam?

    For as low as $2,019, United Airlines can have you in Guam from San Antonio in 19h 35m. The distance from San Antonio to Guam is about 7278 mi.

  • Can I find deals for flights from San Antonio to Guam that include hotel bookings?

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

  • How can I find direct flights from San Antonio to Guam?

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

  • Can I find deals for business class flights from San Antonio to Guam?

    Yes. Cheapflights offers flight deals from San Antonio to Guam 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 San Antonio to Guam?

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Guam (average of $1,059). Flying from San Antonio to Guam in December is currently the most expensive (average of $2,067). 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

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Top airline flying from San Antonio to Guam

Discover the top airline that operate flights from San Antonio to Guam. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,471Average$2,066FlexibilityNo cancel feeOn-time69%

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