$1,556+ Cheap flights from Guam to San Antonio (SAT)
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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAT
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Guam to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Guam to San Antonio
Cheapest
Best
Last-minute
Cheapest flights from Guam to San AntonioExplore the most affordable flight options available from Guam to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
Explore the most affordable flight options available from Guam to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2026.
This Delta deal was found by Cheapflights users on 10/29. 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 11/224:50 pm -
2 stops47h 43m
Tue 12/15:25 am -
2 stops27h 35m
Deal found 10/29![Delta logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/227:55 pm -
3 stops42h 56m
Tue 12/15:15 am -
3 stops45h 45m
Deal found 10/29![United Airlines logo]()
$1,583
Best flights from Guam to San AntonioDiscover carefully curated flight deals from Guam to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
Discover carefully curated flight deals from Guam to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 30, 2026.
This Delta deal was found by Cheapflights users on 10/29. 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 11/224:50 pm -
2 stops47h 43m
Tue 12/15:25 am -
2 stops27h 35m
Deal found 10/29![Delta logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/227:55 pm -
3 stops42h 56m
Tue 12/15:15 am -
2 stops21h 45m
Deal found 10/29![United Airlines logo]()
$1,583
This Delta deal was found by Cheapflights users on 10/29. 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 1/254:50 pm -
2 stops47h 58m
Tue 2/95:25 am -
2 stops27h 35m
Deal found 10/29![Delta logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 10/28. 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 1/257:45 am -
2 stops29h 00m
Tue 2/94:10 pm -
3 stops37h 35m
Deal found 10/28![United Airlines logo]()
$1,584
Last-minute flights from Guam to San AntonioDiscover last-minute flight deals from Guam to San Antonio. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Guam to San Antonio. Data last updated October 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/29. 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 11/224:50 pm -
2 stops47h 43m
Tue 12/15:25 am -
2 stops27h 35m
Deal found 10/29![Delta logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/227:55 pm -
3 stops42h 56m
Tue 12/15:15 am -
3 stops45h 45m
Deal found 10/29![United Airlines logo]()
$1,583
Find flight deals from Guam to San Antonio
Keep the following information in mind while searching for Guam to San Antonio flight deals. Data was last updated October 30, 2026.
Round-trip from | $1,556 (Delta) |
|---|---|
Popular in | June |
Cheapest in | October |
Average price | $1,634 |
Cheapflights Fare Finder
Customize your flight search to find flights from Guam to San Antonio 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 7,457,451 searches. Data last updated October 30, 2026.
Use the filters below to find and compare flights from Guam to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TamuningSan Antonio
GUM Tamuning Guam Intl - SAT San Antonio
GUMSAT
Tamuning Guam Intl
Sun 11/22
4:50 pm-12:33 am
2 stops47h 43m
San Antonio
Tue 12/1
5:25 am-1:00 am
2 stops27h 35m
$1,556
TamuningSan Antonio
GUM Tamuning Guam Intl - SAT San Antonio
GUMSAT
Tamuning Guam Intl
Mon 1/25
4:50 pm-12:48 am
2 stops47h 58m
San Antonio
Tue 2/9
5:25 am-1:00 am
2 stops27h 35m
$1,556
Quickest round-trip
TamuningSan Antonio
GUM Tamuning Guam Intl - SAT San Antonio
GUMSAT
Tamuning Guam Intl
Sun 11/22
7:55 pm-10:51 pm
3 stops42h 56m
San Antonio
Tue 12/1
5:15 am-7:00 pm
2 stops21h 45m
$1,583
TamuningSan Antonio
GUM Tamuning Guam Intl - SAT San Antonio
GUMSAT
Tamuning Guam Intl
Mon 1/25
7:45 am-8:45 pm
2 stops29h 00m
San Antonio
Tue 2/9
4:10 pm-9:45 pm
3 stops37h 35m
$1,584
Sorted by cheapest first
Best time to book a flight from Guam to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Guam with our price prediction graph.
GUM-SAT
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 Guam to San Antonio
GU0-SAT
GUM-SAT
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated October 30, 2026.
Get a feel of what it's like to fly with United Airlines from Guam to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Overall
7.3
Entertainment
7.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Guam to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Guam and San Antonio flights
Browse other Guam and San Antonio flight options. Last updated on October 30, 2026.
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Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.
Top airline flying from Guam to San Antonio
Discover the top airline that operate flights from Guam to San Antonio. 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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,593 | Average$1,810 | FlexibilityNo cancel fee | On-time69% |