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210 € Cheap Flights from Portland to San Antonio International

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Flight deals from Portland to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Portland Airport to San Antonio International Airport? If you want to travel next month, return fares start from 226 €. Find the lowest prices on one-way and return tickets right here.
San Antonio.210 € per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 8 Oct, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Mon, 12 Oct, arriving in Portland.Price includes taxes and charges.From 210 €, select.
San Antonio.226 € per passenger.Departing Thu, 24 Sep, returning Sun, 27 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 24 Sep, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Sun, 27 Sep, arriving in Portland.Price includes taxes and charges.From 226 €, select.
San Antonio.226 € per passenger.Departing Wed, 19 Aug, returning Sun, 30 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Wed, 19 Aug, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Sun, 30 Aug, arriving in Portland.Price includes taxes and charges.From 226 €, select.
San Antonio.229 € per passenger.Departing Tue, 25 Aug, returning Tue, 1 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Tue, 25 Aug, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Tue, 1 Sep, arriving in Portland.Price includes taxes and charges.From 229 €, select.
San Antonio.244 € per passenger.Departing Fri, 6 Nov, returning Sun, 8 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Fri, 6 Nov, arriving in San Antonio International.Inbound indirect flight with Frontier Airlines, departs from San Antonio International on Sun, 8 Nov, arriving in Portland.Price includes taxes and charges.From 244 €, select.
San Antonio.309 € per passenger.Departing Wed, 9 Dec, returning Tue, 15 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Wed, 9 Dec, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Tue, 15 Dec, arriving in Portland.Price includes taxes and charges.From 309 €, select.
San Antonio.313 € per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with United.Outbound indirect flight with United, departs from Portland on Mon, 26 Oct, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Mon, 2 Nov, arriving in Portland.Price includes taxes and charges.From 313 €, select.
San Antonio.313 € per passenger.Departing Mon, 1 Feb, returning Mon, 1 Feb.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Mon, 1 Feb, arriving in San Antonio International.Inbound indirect flight with Southwest Airlines, departs from San Antonio International on Mon, 1 Feb, arriving in Portland.Price includes taxes and charges.From 313 €, select.
San Antonio.313 € per passenger.Departing Thu, 14 Jan, returning Thu, 28 Jan.Return flight with United.Outbound indirect flight with United, departs from Portland on Thu, 14 Jan, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Thu, 28 Jan, arriving in Portland.Price includes taxes and charges.From 313 €, select.
San Antonio.345 € per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with United.Outbound indirect flight with United, departs from Portland on Thu, 26 Nov, arriving in San Antonio International.Inbound indirect flight with United, departs from San Antonio International on Thu, 3 Dec, arriving in Portland.Price includes taxes and charges.From 345 €, select.
San Antonio.580 € per passenger.Departing Sun, 26 Jul, returning Sun, 2 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Sun, 26 Jul, arriving in San Antonio International.Inbound indirect flight with Delta, departs from San Antonio International on Sun, 2 Aug, arriving in Portland.Price includes taxes and charges.From 580 €, select.

Find the cheapest month to fly from Portland to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to San Antonio International flights are currently cheapest in October.
Jul
Find prices
Aug
from 226 €
Sep
from 226 €
Oct
from 210 €
Nov
from 244 €
Dec
from 309 €
Jan
from 313 €
Feb
from 313 €
Mar
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Apr
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May
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Jun
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Portland to San Antonio International: Alternative routes

Compare routes from Portland to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

San Antonio International

13km from central San Antonio
ClosestCheapest
from 210 €
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Portland to San Antonio: Flight information

The things to know before you go.
Cheapest flight found210 €
Cheapest month to flyOctober

Finding cheap flights from Portland to San Antonio International: Frequently asked questions

The best price we found for a return flight from Portland to San Antonio International is 210 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to San Antonio International. But we found flights with one or more stops from 210 €.
As of July 2026, there are no flights flying from Portland to San Antonio International.
The cheapest month to fly from Portland to San Antonio International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to San Antonio International Airport on Thursday, 8 October 2026.
No airlines currently offer direct flights between Portland Airport and San Antonio International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to San Antonio International.

Flying from Portland Airport (PDX) to San Antonio International Airport (SAT): what you need to know

  • The timezone in San Antonio is UTC-6, which is two hours ahead of Portland.

  • Leave enough time to catch your PDX to SAT flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month like July? Major public holidays and other popular seasons can mean longer lines and delays at security. Play things extra safe and get there up to four hours ahead of international flights and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Portland Airport to San Antonio International Airport. Just deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Check out these options between PDX and SAT:

    • Denver International Airport

    • Phoenix Sky Harbour Airport

    • Harry Reid International Airport

How to find the cheapest flights from Portland Airport (PDX) to San Antonio International Airport (SAT)

  • Right now, 110 € is the cheapest price we've seen for a one-way Portland Airport to San Antonio International Airport flight. The best price for a return plane ticket is 210 €. Keep in mind that fares can change due to availability when booking.

  • To find cheap tickets from PDX to SAT, book as early as you can. Airlines tend to offer lower prices when flights are first released.

  • Finding cheap flights from Portland Airport to San Antonio International Airport is easy if you can be flexible with your dates. Use the 'Whole month' function to see the lowest prices across every month and snap up a great deal.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll send you an update as soon as there's a change in price on cheap flights from PDX to SAT.

  • Lock in the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Portland Airport to San Antonio International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about Portland Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • 83% of flights departing from Portland Airport land at their destination according to schedule. Given its strong on-time stats, disruptions are unlikely when flying out of PDX.

  • Portland Airport is about 19 kilometres from central Portland. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • The journey when using public transport takes about 40 minutes.

  • Need a convenient hotel close to PDX? If you've booked an early flight from Portland Airport to San Antonio International Airport, these stays will have you sleeping moments from check-in:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • The street address for SAT is 9800 Airport Boulevard.

  • San Antonio International Airport to central San Antonio has a drive time of about 20 minutes. It's approximately 14 kilometres away.

  • Getting to the centre on public transport will take you roughly 50 minutes.

When to fly to San Antonio International Airport (SAT)

  • July is the most popular month for flights from Portland Airport to San Antonio International Airport. To escape the crowds, travel to San Antonio in March.

  • Book your flight from Portland Airport to San Antonio International Airport for August if you want to explore San Antonio during its warmest month. Expect temperatures of between 24ºC (75ºF) and 40ºC (104ºF).

  • January sees average temperatures of between 4ºC (39ºF) and 20ºC (68ºF). Search for cheap tickets from PDX to SAT around that time if you want to travel when it's cooler.

Explore more of the United States

  • Houston is just one of the many cities in the United States waiting to be discovered after you've seen San Antonio. Around 306 kilometres away to the east, popular attractions include The Museum of Fine Arts, Houston, Beck Building, Houston Museum of Natural Science and The Menil Collection.

  • Dallas is another favourite destination in the United States and is around 402 kilometres north-east of San Antonio. No trip is complete without visiting Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.