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$724+ Cheap flights from San Antonio (SAT) to Guam

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GUM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$1,915
(Delta)

One-way from

$724
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,427
From San Antonio to Guam
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One-way flight from San Antonio to Guam
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Highest demand for flights based on searches. 16% potential increase in price ($435 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($90 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 10/276:21 pmSAT - GUM
2 stops37h 44mDelta
Sun 11/21:00 amGUM - SAT
2 stops30h 56mDelta
Deal found 9/11$1,915
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/95:14 amSAT - GUM
2 stops27h 56mDelta
Wed 10/151:55 amGUM - SAT
2 stops37h 25mDelta
Deal found 9/9$2,088
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/275:30 amSAT - GUM
3 stops31h 50mUnited Airlines
Mon 11/37:40 amGUM - SAT
2 stops25h 18mUnited Airlines
Deal found 9/11$2,252

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 September 11, 2025.
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 10/27

6:21 pm-11:05 pm

2 stops37h 44m

Tamuning Guam Intl

Sun 11/2

1:00 am-3:56 pm

2 stops30h 56m

$1,915

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Tue 1/13

4:25 pm-11:05 pm

2 stops38h 40m

Tamuning Guam Intl

Tue 1/20

4:50 pm-11:33 pm

2 stops46h 43m

$1,965

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 1/12

6:30 am-11:05 pm

2 stops24h 35m

Tamuning Guam Intl

Tue 1/20

1:00 am-10:19 pm

2 stops37h 19m

$1,965

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 1/11

2:00 pm-11:05 pm

2 stops41h 05m

Tamuning Guam Intl

Wed 1/21

4:50 pm-11:33 pm

2 stops46h 43m

$1,970

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 1/12

7:40 am-7:05 pm

2 stops19h 25m

Tamuning Guam Intl

Wed 1/21

1:00 pm-7:41 pm

3 stops22h 41m

$1,995

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Tue 1/13

5:25 am-9:45 pm

3 stops24h 20m

Tamuning Guam Intl

Wed 1/21

7:40 am-1:19 pm

2 stops21h 39m

$1,995

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Tue 1/13

5:25 am-9:45 pm

3 stops24h 20m

Tamuning Guam Intl

Tue 1/20

7:40 am-10:47 am

2 stops19h 07m

$1,995

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Thu 9/25

6:27 am-2:30 pm

3 stops41h 03m

$724

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Wed 10/15

7:56 pm-2:30 pm

2 stops51h 34m

$779

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Thu 9/25

6:24 am-3:15 pm

2 stops41h 51m

$1,547

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 $1,977). Flying from San Antonio to Guam in May is currently the most expensive (average of $2,214). 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 September 11, 2025.
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
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 $1,915, Delta can have you in Guam from San Antonio in 37h 44m. 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 $1,977). Flying from San Antonio to Guam in May is currently the most expensive (average of $2,214). 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,471Average$2,162FlexibilityNo cancel feeOn-time69%

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