$137 Cheap Flights from Redmond (RDM) to San Antonio (SAT)

View $137 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to San Antonio International Airport (SAT)

Cheap Flights from Redmond to San Antonio (RDM-SAT)

Prices were available within the past 7 days and start at $137 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 9 - Wed, Dec 10
RDM
Redmond
SAT
San Antonio
$268 Roundtrip, found 6 hours ago
$268
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Dec 9 from Redmond to San Antonio, returning Wed, Dec 10, priced at $268 found 6 hours ago
Delta
Sat, Dec 13 - Sun, Dec 14
RDM
Redmond
SAT
San Antonio
$269 Roundtrip, found 6 hours ago
$269
Roundtrip
found 6 hours ago
Select Delta flight, departing Sat, Dec 13 from Redmond to San Antonio, returning Sun, Dec 14, priced at $269 found 6 hours ago
Delta
Tue, Dec 9 - Tue, Dec 16
RDM
Redmond
SAT
San Antonio
$274 Roundtrip, found 6 hours ago
$274
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Dec 9 from Redmond to San Antonio, returning Tue, Dec 16, priced at $274 found 6 hours ago
Delta
Tue, Dec 9 - Mon, Dec 15
RDM
Redmond
SAT
San Antonio
$275 Roundtrip, found 6 hours ago
$275
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Dec 9 from Redmond to San Antonio, returning Mon, Dec 15, priced at $275 found 6 hours ago
Delta
Thu, Dec 4 - Mon, Dec 8
RDM
Redmond
SAT
San Antonio
$276 Roundtrip, found 1 hour ago
$276
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Dec 4 from Redmond to San Antonio, returning Mon, Dec 8, priced at $276 found 1 hour ago
Delta
Wed, Dec 10 - Thu, Dec 11
RDM
Redmond
SAT
San Antonio
$278 Roundtrip, found 6 hours ago
$278
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Dec 10 from Redmond to San Antonio, returning Thu, Dec 11, priced at $278 found 6 hours ago
Alaska Airlines
Sat, Nov 22 - Tue, Nov 25
RDM
Redmond
SAT
San Antonio
$323 Roundtrip, found 16 hours ago
$323
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Sat, Nov 22 from Redmond to San Antonio, returning Tue, Nov 25, priced at $323 found 16 hours ago
Hawaiian Airlines
Wed, Nov 12 - Wed, Nov 26
RDM
Redmond
SAT
San Antonio
$323 Roundtrip, found 8 hours ago
$323
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Wed, Nov 12 from Redmond to San Antonio, returning Wed, Nov 26, priced at $323 found 8 hours ago
United
Tue, Nov 11 - Tue, Nov 18
RDM
Redmond
SAT
San Antonio
$328 Roundtrip, found 2 days ago
$328
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 11 from Redmond to San Antonio, returning Tue, Nov 18, priced at $328 found 2 days ago
American Airlines
Wed, Dec 10 - Thu, Dec 11
RDM
Redmond
SAT
San Antonio
$380 Roundtrip, found 7 hours ago
$380
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Redmond to San Antonio, returning Thu, Dec 11, priced at $380 found 7 hours ago

Find the cheapest month to fly from Redmond (RDM) to San Antonio (SAT)

January is typically the cheapest month to fly

From $269 - $777 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $409
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $409

Frequently asked questions

How much does a flight from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT) cost?
Snag a cheap one-way flight from $137 or cheap return flight from $268 from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT)?
December is the least expensive month to fly from RDM to SAT. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest RDM to SAT flight.
How many flights per day from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT)?
There aren't any daily direct flights from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from RDM to SAT?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT)?
To avoid possible delays on the Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT) route, fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT) last-minute?
Last-minute bookings from RDM to SAT are typically more expensive. For the lowest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, you may land a cheap ticket right before your trip.
Is it cheaper to book a RDM to SAT flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDM to SAT flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to San Antonio Intl. Airport (SAT)?
In most cases, you're able to cancel or reschedule your RDM to SAT flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Origin airport
Robert's Field
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$268
Distance
1604 mi

Book with confidence

Redmond to San Antonio Flights

The cheapest times to fly from Redmond to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Redmond to San Antonio are during the month of December. You can find some of the cheapest flights from Redmond to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Redmond to San Antonio

Sunday is one of the best days to book for cheap flights from Redmond to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Redmond to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Redmond to San Antonio in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Redmond to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Redmond to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Redmond to San Antonio Flights

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*Available to One Key members.