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$1,554+ Cheap flights from Tamuning (GUM) 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Tamuning to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Tamuning (GUM) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$1,554
(Delta)

Popular in

August

Cheapest in

March

Average price

$1,791
From Tamuning Guam Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($147 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($44 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 Tamuning to San Antonio

Cheapest flights from Tamuning to San Antonio
Explore the most affordable flight options available from Tamuning to San Antonio. 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 10/271:00 amGUM - SAT
2 stops49h 28mDelta
Thu 11/67:30 amSAT - GUM
2 stops39h 05mDelta
Deal found 9/11$1,554
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.
Tue 10/287:05 amGUM - SAT
2 stops48h 54mUnited Airlines
Thu 11/67:40 amSAT - GUM
2 stops19h 10mUnited Airlines
Deal found 9/11$1,578
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/97:10 amGUM - SAT
2 stops24h 47mUnited Airlines
Thu 10/167:00 amSAT - GUM
2 stops30h 25mUnited Airlines
Deal found 9/10$1,581
This Delta deal was found by Cheapflights users on 9/10. 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 11/161:00 amGUM - SAT
2 stops39h 33mDelta
Mon 1/126:30 amSAT - GUM
2 stops24h 35mDelta
Deal found 9/10$1,654
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/187:05 amGUM - SAT
2 stops32h 54mUnited Airlines
Thu 1/297:40 amSAT - GUM
2 stops19h 25mUnited Airlines
Deal found 9/10$1,678
This United Airlines deal was found by Cheapflights users on 9/10. 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 12/207:20 amGUM - SAT
2 stops47h 53mUnited Airlines
Tue 1/207:05 amSAT - GUM
2 stops44h 00mUnited Airlines
Deal found 9/10$1,728
This Delta deal was found by Cheapflights users on 9/10. 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 12/191:00 amGUM - SAT
2 stops36h 28mDelta
Tue 1/205:30 amSAT - GUM
2 stops41h 05mDelta
Deal found 9/10$2,057
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/272:40 amGUM - SAT
2 stops29h 19mMultiple Airlines
Thu 11/67:07 amSAT - GUM
2 stops29h 13mMultiple Airlines
Deal found 9/11$4,068

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tamuning 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Tamuning to San Antonio that are best for you.

Fly from

Tamuning

Fly to

San Antonio

Route

Depart

Return

Price

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Tue 10/28

4:50 pm-12:20 am

2 stops46h 30m

San Antonio

Thu 11/6

7:30 am-2:35 pm

2 stops39h 05m

$1,554

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Tue 11/18

4:50 pm-9:02 pm

2 stops44h 12m

San Antonio

Wed 2/18

12:25 pm-11:05 pm

2 stops42h 40m

$1,554

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Tue 10/28

7:05 am-4:59 pm

2 stops48h 54m

San Antonio

Thu 11/6

7:40 am-6:50 pm

2 stops19h 10m

$1,578

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Thu 10/9

7:10 am-4:57 pm

2 stops24h 47m

San Antonio

Thu 10/16

7:00 am-4:25 am

2 stops30h 25m

$1,581

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Tue 11/18

7:25 am-4:59 pm

2 stops25h 34m

San Antonio

Wed 2/18

7:00 pm-9:45 pm

3 stops34h 45m

$1,584

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Sun 11/16

1:00 am-12:33 am

2 stops39h 33m

San Antonio

Mon 1/12

6:30 am-11:05 pm

2 stops24h 35m

$1,654

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Wed 12/17

1:00 am-12:33 am

2 stops39h 33m

San Antonio

Thu 1/29

8:00 am-11:05 pm

2 stops23h 05m

$1,654

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Thu 12/18

7:05 am-11:59 pm

2 stops32h 54m

San Antonio

Thu 1/29

7:40 am-7:05 pm

2 stops19h 25m

$1,678

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Tamuning to San Antonio

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

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

Currently, August is the cheapest month in which you can book a flight from Tamuning to San Antonio (average of $295). Flying from Tamuning to San Antonio in March is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from GUM to SAT?

Find hourly flight availability from Tamuning to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from Tamuning to San Antonio in the morning. By choosing this option you can save up to 1% on the cost of your flight, compared to a flight at noon.

How much does it cost to fly round-trip from Tamuning to San Antonio?

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 September 11, 2025.
Read reviews from past customers who have flown United Airlines from Tamuning to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

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

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

    A quick flight from Tamuning to San Antonio can take about 46h 30m. Delta provides one of the quickest options available for as low as $1,554. Tamuning and San Antonio are separated by a distance of 7278 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Tamuning to San Antonio round-trip?

    Our cheapest airline available from Tamuning to San Antonio is United Airlines. Our recent data shows that you can find tickets from as low as $1,580 on this airline. United Airlines is currently priced 13% below the average price you’ll pay for this route.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Tamuning to San Antonio (average of $295). Flying from Tamuning to San Antonio in March is currently the most expensive (average of $376). 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Tamuning to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Tamuning to George Bush Intcntl flights
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Top airline flying from Tamuning to San Antonio

Discover the top airline that operate flights from Tamuning 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,580Average$1,818FlexibilityNo cancel feeOn-time69%

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