HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Guam

$1,090+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — GUM
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Guam with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 29, 2025.

Round-trip from

$1,090
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$2,016
From San Antonio to Guam
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($438 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($90 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 10/224:21 pmSAT - GUM
2 stops56h 29mUnited Airlines
Sun 10/267:10 amGUM - SAT
2 stops24h 48mUnited Airlines
Deal found 7/28$1,090
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 11/236:20 pmSAT - GUM
2 stops28h 15mDelta
Sun 11/304:50 pmGUM - SAT
2 stops45h 33mDelta
Deal found 7/28$1,953

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 July 29, 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

Wed 10/22

4:21 pm-3:50 pm

2 stops56h 29m

Tamuning Guam Intl

Sun 10/26

7:10 am-4:58 pm

2 stops24h 48m

$1,090

San AntonioTamuning

SAT - GUM

SATGUM

San Antonio

Sun 11/23

6:20 pm-2:35 pm

2 stops28h 15m

Tamuning Guam Intl

Sun 11/30

4:50 pm-10:23 pm

2 stops45h 33m

$1,953

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

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 July 29, 2025.
Get a feel of what it's like to fly with Delta and United Airlines from San Antonio to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Guam

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Sydney flights
Hobby to Sydney flights
Dallas/Fort Worth to Auckland flights
Dallas/Fort Worth to Melbourne flights
Hobby to Auckland flights
George Bush Intcntl to Sydney flights
George Bush Intcntl to Auckland flights
Hobby to Melbourne flights
Dallas/Fort Worth to Brisbane flights
Dallas/Fort Worth to Avalon flights
Dallas/Fort Worth to Nadi flights
George Bush Intcntl to Melbourne flights
Austin to Melbourne flights
Austin to Sydney flights
Hobby to Perth flights
Dallas/Fort Worth to Papeete flights
Austin to Auckland flights
George Bush Intcntl to Perth flights
Hobby to Papeete flights
San Antonio to Sydney flights
Dallas/Fort Worth to Christchurch flights
Hobby to Nadi flights
Love Field to Sydney flights
Dallas/Fort Worth to Vaitape flights
George Bush Intcntl to Nadi flights
Hobby to Christchurch flights
Dallas/Fort Worth to Rarotonga flights
George Bush Intcntl to Papeete flights
Hobby to Queenstown flights
Hobby to Tamuning flights
Dallas/Fort Worth to Canberra flights
Dallas/Fort Worth to Tamuning flights
Dallas/Fort Worth to Wellington flights
Hobby to Brisbane flights
George Bush Intcntl to Tamuning flights
Austin to Papeete flights
Love Field to Papeete flights
George Bush Intcntl to Christchurch flights
Dallas/Fort Worth to Perth flights
Hobby to Adelaide flights
Austin to Brisbane flights
Dallas/Fort Worth to Apia flights
San Antonio to Auckland flights
Love Field to Brisbane flights
Dallas/Fort Worth to Adelaide flights
George Bush Intcntl to Vaitape flights
George Bush Intcntl to Queenstown flights
San Antonio to Nadi flights

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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,471Average$2,195FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.