Cheap flights from San Antonio to Guam from $1,547
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Guam departing on 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Antonio to Guam
Cheap round-trip flights
Delta flights from San Antonio to Guam
Our best Delta deals on San Antonio to Guam flight tickets
United Airlines flights from San Antonio to Guam
Our best United Airlines deals on San Antonio to Guam flight tickets
See travel insights to Guam from
How to get the cheapest flight ticket from San Antonio to Guam
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Guam?
The cheapest day to depart from San Antonio to Guam is on a Monday when prices can be found for as low as $2,016. Flights from San Antonio to Guam on a Saturday will generally be more expensive and average around $3,146. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Guam?
Flying to Guam from San Antonio in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $2,094 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Guam is in the morning when prices are around $2,356.
Cheap San Antonio to Guam flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Antonio to Guam
When did momondo last update prices for flights from San Antonio Airport to Guam?
Prices for flights from San Antonio Airport to Guam refresh daily.
How many operators does momondo search for flights from San Antonio Airport to Guam?
As of April 2025, there is 1 operator available to choose from for flights from San Antonio Airport to Guam.
How old do you have to be to fly from San Antonio Airport to Guam?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to Guam.
What documentation or ID do you need to fly to Guam?
The travel and health documents required for your trip to Guam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Guam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from San Antonio to Guam
Compare and see reviews for airlines that fly from San Antonio to Guam with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,916 | Free Cancellation | Rating 7.4 8,667 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Antonio to Guam?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Guam for you.
Can I find flights from San Antonio to Guam with flexible booking policies on momondo?
momondo does allow users to show only those flights to Guam from San Antonio which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Antonio to Guam?
Once you have performed a search for San Antonio to Guam flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from San Antonio to Guam right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Guam, momondo offers a useful price alert feature which will track prices for flights to Guam from San Antonio and alert you when they change.