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$1,604+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — SAT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,604
(Delta)

Popular in

August

Cheapest in

March

Average price

$1,814
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. 11% potential increase in price ($240 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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 11/141:00 amGUM - SAT
2 stops36h 19mDelta
Mon 11/248:00 amSAT - GUM
2 stops38h 35mDelta
Deal found 10/27$1,604
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/157:40 amGUM - SAT
2 stops19h 03mUnited Airlines
Mon 11/247:05 amSAT - GUM
2 stops29h 15mUnited Airlines
Deal found 10/27$1,681
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.
Thu 10/307:05 amGUM - SAT
2 stops48h 54mUnited Airlines
Thu 11/135:30 amSAT - GUM
2 stops21h 20mUnited Airlines
Deal found 10/28$2,102
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:00 amGUM - SAT
2 stops36h 42mDelta
Thu 11/136:32 amSAT - GUM
2 stops24h 33mDelta
Deal found 10/28$2,117

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 October 29, 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

Fri 11/14

1:00 am-9:19 pm

2 stops36h 19m

San Antonio

Mon 11/24

8:00 am-2:35 pm

2 stops38h 35m

$1,604

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Thu 3/12

7:05 am-9:55 pm

2 stops29h 50m

San Antonio

Mon 3/16

2:15 pm-6:50 pm

2 stops37h 35m

$1,634

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Sat 11/15

7:40 am-10:43 am

2 stops19h 03m

San Antonio

Mon 11/24

7:05 am-4:20 am

2 stops29h 15m

$1,681

TamuningSan Antonio

GUM - SAT

GUMSAT

Tamuning Guam Intl

Wed 3/11

1:00 am-10:19 pm

2 stops36h 19m

San Antonio

Mon 3/16

8:00 am-11:05 pm

2 stops24h 05m

$1,911

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tamuning-San Antonio flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 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 October 29, 2025.

It’s optimal to fly from Tamuning to San Antonio in the afternoon. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the evening.

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 29, 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
8,999 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 29h 50m. Delta provides one of the quickest options available for as low as $1,634. 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.

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.
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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,580Average$1,819FlexibilityNo cancel feeOn-time69%

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