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$1,781+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAT
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,781
(United Airlines)

Popular in

July

Cheapest in

March

Average price

$1,729
Provider with most accurate pricing for Tamuning Guam Intl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Tamuning Guam Intl-San Antonio flights.
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From Tamuning Guam Intl to San Antonio
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Highest demand for flights based on searches. 6% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 7/277:00 pmGUM - SAT
2 stops40h 27mUnited Airlines
Mon 9/17:15 amSAT - GUM
2 stops19h 50mUnited Airlines
Deal found 4/30$1,781
This Delta deal was found by Cheapflights users on 4/30. 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 7/255:00 pmGUM - SAT
2 stops42h 19mDelta
Mon 8/255:20 amSAT - GUM
2 stops42h 55mDelta
Deal found 4/30$2,891

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 May 1, 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

Sun 7/27

7:00 pm-8:27 pm

2 stops40h 27m

San Antonio

Mon 9/1

7:15 am-6:05 pm

2 stops19h 50m

$1,781

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Fri 7/25

5:00 pm-8:19 pm

2 stops42h 19m

San Antonio

Mon 8/25

5:20 am-3:15 pm

2 stops42h 55m

$2,891

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Fri 7/25

7:15 am-11:45 am

2 stops43h 30m

$4,861

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Tamuning to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tamuning to San Antonio in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tamuning-San Antonio flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Tamuning-San Antonio flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Tamuning-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tamuning-San Antonio flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tamuning-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 May 1, 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $1,781 on this airline. An additional option worth looking into is Delta, starting at $2,891. United Airlines is currently priced 3% 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,590Average$1,793FlexibilityNo cancel feeOn-time69%

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