October is by far the best month, wherein you can get cheapest flights for Portland to San Antonio. Meanwhile, October is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
October- During this month the footfall is less so, the flight is gradually inexpensive.
October - is the cheapest month to book round trip flights.
Cheapest Fare- Currently, this is the fare price based on the current demand.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

PDX
13:00
Portland
Portland International Airport
Mon , 31 Aug 2026

SAT
23:18
San Antonio
San Antonio International Airport
Mon, 31 Aug 2026

PDX
13:35
Portland
Portland International Airport
Mon , 31 Aug 2026

SAT
00:03
San Antonio
San Antonio International Airport
Tue, 01 Sep 2026

PDX
08:45
Portland
Portland International Airport
Mon , 31 Aug 2026

SAT
16:30
San Antonio
San Antonio International Airport
Mon, 31 Aug 2026

PDX
05:05
Portland
Portland International Airport
Mon , 31 Aug 2026

SAT
13:20
San Antonio
San Antonio International Airport
Mon, 31 Aug 2026

PDX
10:40
Portland
Portland International Airport
Mon , 31 Aug 2026

SAT
18:38
San Antonio
San Antonio International Airport
Mon, 31 Aug 2026

PDX
10:15
Portland
Portland International Airport
Mon , 31 Aug 2026

SAT
17:25
San Antonio
San Antonio International Airport
Mon, 31 Aug 2026

PDX
09:59
Portland
Portland International Airport
Mon , 31 Aug 2026

SAT
17:40
San Antonio
San Antonio International Airport
Mon, 31 Aug 2026

PDX
17:05
Portland
Portland International Airport
Mon , 01 Dec 2025

SAT
00:35
San Antonio
San Antonio International Airport
Tue, 02 Dec 2025

PDX
20:02
Portland
Portland International Airport
Mon , 01 Dec 2025

SAT
04:40
San Antonio
San Antonio International Airport
Tue, 02 Dec 2025

PDX
20:02
Portland
Portland International Airport
Mon , 01 Dec 2025

SAT
04:40
San Antonio
San Antonio International Airport
Tue, 02 Dec 2025

PDX
23:59
Portland
Portland International Airport
Mon , 01 Dec 2025

SAT
08:24
San Antonio
San Antonio International Airport
Tue, 02 Dec 2025











Flying from Portland to San Antonio has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Portland to San Antonio is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Portland International Airport (PDX) and San Antonio International Airport (SAT). You can expect a flight distance of approximately 2757 km, and most direct services cover it in around 08:20.
Let’s take a closer look at everything you need to know before booking your flight from Portland to San Antonio.
| Flight Details | Information |
|---|---|
| Route Distance | 2757 km |
| Average Flight Time | 08:20 hrs |
| Departure Airport | Portland International Airport (PDX) |
| Arrival Airport | San Antonio International Airport (SAT) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Delta Airlines, United Airlines, American Airlines, Alaska Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.