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$1,941+ Cheap flights from San Antonio (SAT) to Guam

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GUM
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from San Antonio to Guam

Keep the following information in mind while searching for San Antonio to Guam flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,941
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$1,966
Provider with most accurate pricing for San Antonio-Tamuning Guam Intl flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Tamuning Guam Intl flights.
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From San Antonio to Guam
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Highest demand for flights based on searches. 9% potential increase in price ($261 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from San Antonio to Guam

Cheapest flights from San Antonio to Guam
Explore the most affordable flight options available from San Antonio to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/26. 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 9/225:30 amSAT - GUM
2 stops21h 35mUnited Airlines
Sun 9/287:05 pmGUM - SAT
2 stops39h 31mUnited Airlines
Deal found 3/26$1,941
This Delta deal was found by Cheapflights users on 3/27. 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 4/45:30 amSAT - GUM
2 stops42h 45mDelta
Sun 4/205:00 pmGUM - SAT
2 stops44h 40mDelta
Deal found 3/27$2,509
This United deal was found by Cheapflights users on 3/26. 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 9/225:30 amSAT - GUM
3 stops45h 35mMultiple Airlines
Sun 9/286:55 amGUM - SAT
2 stops22h 43mMultiple Airlines
Deal found 3/26$2,929

Cheapflights Fare Finder

Customize your flight search to find flights from San Antonio to Guam 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 March 28, 2025.
Use the filters below to find and compare flights from San Antonio to Guam that are best for you.

Fly from

San Antonio

Fly to

Guam

Route

Depart

Return

Price

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 9/22

5:30 am-6:05 pm

2 stops21h 35m

Tamuning Guam Intl

Sun 9/28

7:05 pm-7:36 pm

2 stops39h 31m

$1,941

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Mon 9/22

5:30 am-6:05 pm

3 stops45h 35m

Tamuning Guam Intl

Sun 9/28

6:55 am-2:38 pm

2 stops22h 43m

$2,929

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Best time to book a flight from San Antonio to Guam

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

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

Currently, January is the cheapest month in which you can book a flight from San Antonio to Guam (average of $1,977). Flying from San Antonio to Guam in May is currently the most expensive (average of $2,214). 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.

Rainfall in Guam by month

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

In terms of precipitation, rainfall in Guam ranges from 2.6 - 14.4 inches per month. August is typically the wettest month, when rainfall can reach 14.4 in. March is typically the driest time to visit Guam when rainfall is around 2.6 in.

Temperature in Guam by month

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

If weather is an important factor for your trip to Guam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. 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 Guam. Reviews last updated March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.0

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

  • What airport do you fly from for flights from San Antonio to Guam?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Guam. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Antonio to Guam (average of $1,977). Flying from San Antonio to Guam in May is currently the most expensive (average of $2,214). 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

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Top airline flying from San Antonio to Guam

Discover the top airline that operate flights from San Antonio to Guam. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,916Average$2,356FlexibilityNo cancel feeOn-time69%
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