$156 Cheap Flights from Eugene (EUG) to San Antonio (SAT)

View $156 flight on Wed, Apr 22, 2026Opens in a new window

Popular airlines from Mahlon Sweet Field Airport (EUG) to San Antonio International Airport (SAT)

Cheap Flights from Eugene to San Antonio (EUG-SAT)

Prices were available within the past 7 days and start at $156 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, May 6 - Sat, May 9
EUG
Eugene
SAT
San Antonio
$317 Roundtrip, found 15 hours ago
$317
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, May 6 from Eugene to San Antonio, returning Sat, May 9, priced at $317 found 15 hours ago
Delta
Sat, May 9 - Tue, May 19
EUG
Eugene
SAT
San Antonio
$317 Roundtrip, found 8 hours ago
$317
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, May 9 from Eugene to San Antonio, returning Tue, May 19, priced at $317 found 8 hours ago
Southwest Airlines
Tue, Apr 28 - Tue, May 5
EUG
Eugene
SAT
San Antonio
$317 Roundtrip, found 13 hours ago
$317
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Tue, Apr 28 from Eugene to San Antonio, returning Tue, May 5, priced at $317 found 13 hours ago
Delta
Tue, Apr 21 - Wed, Apr 22
EUG
Eugene
SAT
San Antonio
$321 Roundtrip, found 4 days ago
$321
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 21 from Eugene to San Antonio, returning Wed, Apr 22, priced at $321 found 4 days ago
American Airlines
Tue, Apr 28 - Tue, May 5
EUG
Eugene
SAT
San Antonio
$322 Roundtrip, found 13 hours ago
$322
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Apr 28 from Eugene to San Antonio, returning Tue, May 5, priced at $322 found 13 hours ago
Southwest Airlines
Wed, Apr 29 - Wed, May 6
EUG
Eugene
SAT
San Antonio
$327 Roundtrip, found 13 hours ago
$327
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Wed, Apr 29 from Eugene to San Antonio, returning Wed, May 6, priced at $327 found 13 hours ago
American Airlines
Wed, May 6 - Sat, May 9
EUG
Eugene
SAT
San Antonio
$340 Roundtrip, found 15 hours ago
$340
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, May 6 from Eugene to San Antonio, returning Sat, May 9, priced at $340 found 15 hours ago
United
Sat, May 9 - Tue, May 19
EUG
Eugene
SAT
San Antonio
$342 Roundtrip, found 8 hours ago
$342
Roundtrip
found 8 hours ago
Select United flight, departing Sat, May 9 from Eugene to San Antonio, returning Tue, May 19, priced at $342 found 8 hours ago
Delta
Thu, May 14 - Tue, May 19
EUG
Eugene
SAT
San Antonio
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, May 14 from Eugene to San Antonio, returning Tue, May 19, priced at $343 found 4 days ago
Alaska Airlines
Sat, May 9 - Tue, May 12
EUG
Eugene
SAT
San Antonio
$391 Roundtrip, found 10 hours ago
$391
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Sat, May 9 from Eugene to San Antonio, returning Tue, May 12, priced at $391 found 10 hours ago

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 $459
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $459

Find the cheapest month to fly from Eugene (EUG) to San Antonio (SAT)

September is typically the cheapest month to fly

From $214 - $537 per traveler.

Frequently asked questions

How much does a flight from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) cost?
You can find cheap one-way flights from $156 and cheap return flights from $317 Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) with Expedia. One-way flights typically cost between $185 and $972, and return flights often range between $383 and $1372. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
August is typically the cheapest month to fly from Eugene, OR (EUG) to San Antonio, TX (SAT), with average return fares around $350. This price is about 18% lower than the average throughout the year, as August is a quieter travel month after the summer rush. Other cheap months to fly from Eugene to San Antonio include January and February.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
Enter EUG to SAT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Mahlon Sweet Field (EUG) to San Antonio Intl. (SAT), with round-trip tickets starting from around $228 with a layover in Sacramento Intl. (SMF). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
To find a cheap flight from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
For flights from Eugene (EUG) to San Antonio (SAT), the best months to travel are February and August. February offers a return flight at around $350, which is great for those looking to save. August is also a good choice, providing warm weather and plenty of activities in San Antonio.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
The earliest flight from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) typically leaves at about 5:00 AM, operated by Alaska Airlines. This service is seasonal, so make sure to confirm its availability for your travel dates. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
The most popular departure times for flights from Eugene, OR (EUG) to San Antonio, TX (SAT) are in the early morning, from 3am to 6am. About 36% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines, and Delta Airlines, offer flights during this window. This timing works well because it allows you to start your day early and maximize your time in San Antonio.
How long does it take to fly from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
Flights from EUG to SAT with one stop typically take around 5 hours 50 minutes, covering approximately 1,688 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
You can fly first class between EUG and SAT. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How do I earn miles on a Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) flight with Expedia?
It's easy to earn miles on a Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Antonio from Mahlon Sweet Field (EUG)?
From Mahlon Sweet Field (EUG), you can fly into San Antonio Intl. (SAT) to reach San Antonio. Some flights may connect through major hubs like Sacramento Intl. (SMF), Seattle - Tacoma Intl. (SEA), San Francisco Intl. (SFO) before reaching San Antonio. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) at the last minute?
Typically, booking a last minute flight from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package?
Securing a Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) San Antonio Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.)?
If you booked your Eugene, OR (EUG) to San Antonio, TX (SAT-San Antonio Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Eugene
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$316
Distance
1688 mi

Book with confidence

Eugene to San Antonio Flights

The cheapest times to fly from Eugene 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 Eugene to San Antonio are during the month of May. You can find some of the cheapest flights from Eugene to San Antonio with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Eugene 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 Eugene 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 Eugene to San Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $156 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 Eugene 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 Eugene 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.

 

Eugene to San Antonio Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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