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$1,225+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GUM
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 April 29, 2026.

This United Airlines deal was found by Cheapflights users on 4/26. 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 10/245:58 pm
SAT
-
GUM
2 stops54h 47m
United Airlines
Wed 10/287:25 am
GUM
-
SAT
2 stops24h 05m
United Airlines
Deal found 4/26$1,225
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 10/181:23 pm
SAT
-
GUM
2 stops59h 27m
United Airlines
Thu 10/227:10 am
GUM
-
SAT
2 stops18h 28m
United Airlines
Deal found 4/28$1,292
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Fri 5/85:30 am
SAT
-
GUM
2 stops43h 10m
United Airlines
Mon 5/117:05 am
GUM
-
SAT
2 stops24h 52m
United Airlines
Deal found 4/24$1,752
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 7/141:39 pm
SAT
-
GUM
3 stops37h 26m
United Airlines
Tue 7/287:05 am
GUM
-
SAT
2 stops28h 49m
United Airlines
Deal found 4/27$2,019
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/137:35 am
SAT
-
GUM
2 stops41h 15m
United Airlines
Tue 7/287:05 am
GUM
-
SAT
2 stops28h 49m
United Airlines
Deal found 4/28$2,039
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/255:30 am
SAT
-
GUM
3 stops45h 35m
United Airlines
Mon 6/17:05 am
GUM
-
SAT
2 stops27h 45m
United Airlines
Deal found 4/25$2,326

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 April 29, 2026.

Round-trip from

$1,225
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$2,097
From San Antonio to Guam
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($248 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
Average for round-trip flights in April 2026
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 April 29, 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

Sat 10/24

7:30 pm-3:45 pm

2 stops53h 15m

Tamuning Guam Intl

Wed 10/28

7:25 am-1:03 pm

2 stops20h 38m

$1,225

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 10/18

1:23 pm-3:50 pm

2 stops59h 27m

Tamuning Guam Intl

Thu 10/22

7:10 am-10:38 am

2 stops18h 28m

$1,292
Quickest round-trip

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Tue 7/14

1:39 pm-6:05 pm

3 stops37h 26m

Tamuning Guam Intl

Tue 7/28

7:05 am-4:55 pm

2 stops24h 50m

$2,019

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 7/13

7:35 am-3:50 pm

2 stops41h 15m

Tamuning Guam Intl

Tue 7/28

7:05 am-9:13 pm

2 stops29h 08m

$2,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 April 29, 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
9,680 reviews

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,680 reviews
United Airlines
7.4
Good
9,680 reviews

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 $1,225, United Airlines can have you in Guam from San Antonio in 53h 15m. 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.

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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,471Average$2,097FlexibilityNo cancel feeOn-time69%

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