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$1,452+ Cheap flights from Tamuning (GUM) to San Antonio (SAT)

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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,778
(United Airlines)

One-way from

$1,452
(Delta)

Popular in

October

Cheapest in

March

Average price

$1,834
From Tamuning Guam Intl to San Antonio
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One-way flight from Tamuning Guam Intl to San Antonio
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Highest demand for flights based on searches. 5% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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 7/287:15 amGUM - SAT
2 stops30h 00mUnited Airlines
Mon 9/15:30 amSAT - GUM
2 stops21h 35mUnited Airlines
Deal found 6/9$1,778
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 7/261:55 amGUM - SAT
2 stops37h 40mDelta
Mon 9/16:11 pmSAT - GUM
2 stops38h 59mDelta
Deal found 6/12$2,133
This United deal was found by Cheapflights users on 6/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/201:55 amGUM - SAT
2 stops35h 20mMultiple Airlines
Fri 7/255:30 amSAT - GUM
3 stops45h 35mMultiple Airlines
Deal found 6/9$4,277

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 June 12, 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

Mon 7/28

7:15 am-10:15 pm

2 stops30h 00m

San Antonio

Mon 9/1

5:30 am-6:05 pm

2 stops21h 35m

$1,778

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Sat 7/26

1:55 am-12:35 am

2 stops37h 40m

San Antonio

Mon 9/1

6:11 pm-12:10 am

2 stops38h 59m

$2,133

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Sun 7/20

1:55 am-10:15 pm

2 stops35h 20m

San Antonio

Fri 7/25

5:30 am-6:05 pm

3 stops45h 35m

$4,277

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Sun 6/22

1:55 am-9:23 pm

2 stops34h 28m

$1,452

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Mon 6/23

7:00 pm-1:04 pm

3 stops57h 04m

$1,518

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 June 12, 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.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying 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 $1,778 on this airline. An additional option worth looking into is Delta, starting at $2,133. United Airlines is currently priced 2% 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 Tamuning?

Book flights to Tamuning if you plan to visit one of these locations
New Braunfels

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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.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,581Average$1,807FlexibilityNo cancel feeOn-time69%

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