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$1,331+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GUM
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This United Airlines deal was found by Cheapflights users on 3/7. 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 7/65:57 pm
SAT
-
GUM
2 stops54h 48m
United Airlines
Fri 7/107:05 am
GUM
-
SAT
2 stops18h 41m
United Airlines
Deal found 3/7$1,331
This United Airlines deal was found by Cheapflights users on 3/8. 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 9/164:13 pm
SAT
-
GUM
2 stops56h 37m
United Airlines
Sun 9/207:10 am
GUM
-
SAT
2 stops20h 33m
United Airlines
Deal found 3/8$1,448
This Delta deal was found by Cheapflights users on 3/8. 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.
Tue 4/75:10 am
SAT
-
GUM
2 stops43h 25m
Delta
Mon 4/133:00 am
GUM
-
SAT
2 stops36h 46m
Delta
Deal found 3/8$1,916
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Thu 10/16:40 am
SAT
-
GUM
2 stops30h 40m
United Airlines
Thu 10/87:10 am
GUM
-
SAT
3 stops25h 23m
United Airlines
Deal found 3/6$1,942
This Delta deal was found by Cheapflights users on 3/6. 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.
Sun 4/55:10 am
SAT
-
GUM
2 stops27h 45m
Delta
Sun 4/125:20 pm
GUM
-
SAT
2 stops46h 05m
Delta
Deal found 3/6$1,954
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/145:30 am
SAT
-
GUM
2 stops21h 35m
United Airlines
Tue 7/287:05 am
GUM
-
SAT
2 stops28h 49m
United Airlines
Deal found 3/8$2,019
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:35 pm
SAT
-
GUM
2 stops58h 30m
United Airlines
Wed 6/37:30 pm
GUM
-
SAT
2 stops43h 59m
United Airlines
Deal found 3/9$2,030
This United Airlines deal was found by Cheapflights users on 3/9. 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 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 stops29h 08m
United Airlines
Deal found 3/9$2,039
This United Airlines deal was found by Cheapflights users on 3/8. 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 7/254:35 pm
SAT
-
GUM
2 stops58h 30m
United Airlines
Wed 8/57:05 am
GUM
-
SAT
2 stops24h 50m
United Airlines
Deal found 3/8$2,057
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Thu 4/304:10 pm
SAT
-
GUM
2 stops56h 30m
United Airlines
Mon 5/47:05 am
GUM
-
SAT
2 stops24h 52m
United Airlines
Deal found 3/5$2,084

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 March 10, 2026.

Round-trip from

$1,331
(United Airlines)

Popular in

December

Cheapest in

September
From San Antonio to Guam
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($285 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($84 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 March 10, 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

Tue 4/7

5:10 am-3:35 pm

2 stops43h 25m

Tamuning Guam Intl

Mon 4/13

3:00 am-12:46 am

2 stops36h 46m

$1,916

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 4/5

5:10 am-11:55 pm

2 stops27h 45m

Tamuning Guam Intl

Sun 4/12

5:20 pm-12:25 am

2 stops46h 05m

$1,954
Quickest round-trip

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 7/13

7:43 am-6:05 pm

2 stops19h 22m

Tamuning Guam Intl

Tue 7/28

7:05 am-12:43 pm

2 stops20h 38m

$2,019

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-8:54 pm

2 stops28h 49m

$2,019
Cheapest one-way
Quickest one-way

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 3/15

6:52 pm-1:45 am

2 stops39h 53m

$1,755

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

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 March 10, 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
9,409 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

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
9,409 reviews
United Airlines
7.4
Good
9,409 reviews

Crew

8.1

Food

6.6

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

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, Delta can have you in Guam from San Antonio in 19h 22m. The distance from San Antonio to Guam is about 7278 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,471Average$2,066FlexibilityNo cancel feeOn-time69%

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