$145+ Cheap flights from Portland to San Antonio (PDX - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Portland to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to San Antonio
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Best
Last-minute
One-way
Cheapest flights from Portland to San AntonioExplore the most affordable flight options available from Portland to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Portland to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:02 pm -
2 stops31h 14m
Mon 11/238:28 pm -
2 stops23h 06m
Deal found 10/13![Frontier logo]()
$376
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:45 am -
1 stop8h 40m
Tue 11/177:45 am -
1 stop6h 33m
Deal found 10/14![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:40 am -
2 stops7h 25m
Wed 11/1811:00 am -
1 stop6h 00m
Deal found 10/14![Southwest logo]()
$378
This Cheapflightsfares deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:10 pm -
1 stop15h 08m
Mon 11/308:28 pm -
1 stop21h 39m
Deal found 10/14![Frontier logo]()
$379
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/237:25 pm -
1 stop15h 11m
Mon 12/2811:48 am -
1 stop8h 30m
Deal found 10/16![Frontier logo]()
$381
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:55 am -
1 stop10h 15m
Sat 11/216:40 pm -
1 stop6h 10m
Deal found 10/14![Southwest logo]()
$382
This CheapOair deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:51 pm -
1 stop7h 06m
Mon 12/148:47 pm -
1 stop21h 23m
Deal found 10/18![Frontier logo]()
$383
This Cheapflightsfares deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:11 pm -
1 stop22h 04m
Sun 10/2510:34 pm -
1 stop15h 06m
Deal found 10/14![Frontier logo]()
$384
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:02 pm -
2 stops31h 14m
Sun 11/228:28 pm -
2 stops18h 08m
Deal found 10/13![Frontier logo]()
$386
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:55 am -
2 stops10h 30m
Tue 11/173:00 pm -
2 stops8h 50m
Deal found 10/14![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:40 am -
2 stops13h 50m
Mon 11/238:00 pm -
1 stop6h 15m
Deal found 10/13![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 am -
2 stops16h 35m
Wed 12/96:08 pm -
1 stop7h 51m
Deal found 10/14![Delta logo]()
$389
Best flights from Portland to San AntonioDiscover carefully curated flight deals from Portland to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Portland to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/211:32 am -
2 stops10h 33m
Tue 12/812:51 pm -
2 stops8h 07m
Deal found 10/14![Delta logo]()
$401
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:25 am -
1 stop5h 55m
Tue 11/1011:00 am -
1 stop6h 00m
Deal found 10/14![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:45 am -
1 stop6h 10m
Sat 11/77:25 am -
2 stops9h 15m
Deal found 10/14![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:38 pm -
2 stops13h 16m
Sat 12/126:33 am -
1 stop7h 54m
Deal found 10/15![Delta logo]()
$442
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1711:35 am -
2 stops8h 10m
Wed 1/203:25 pm -
2 stops8h 30m
Deal found 10/16![Southwest logo]()
$459
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/232:42 pm -
1 stop6h 53m
Sat 1/27:00 am -
1 stop8h 47m
Deal found 10/15![Delta logo]()
$507
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:30 am -
2 stops7h 15m
Sun 11/16:05 pm -
1 stop8h 05m
Deal found 10/18![Southwest logo]()
$492
This Southwest deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:30 am -
1 stop6h 20m
Mon 11/235:55 pm -
2 stops8h 20m
Deal found 10/18![Southwest logo]()
$492
This Southwest deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/239:40 pm -
1 stop11h 40m
Sun 1/36:05 pm -
1 stop8h 25m
Deal found 10/15![Southwest logo]()
$503
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated October 19, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:11 pm -
1 stop22h 04m
Sun 10/2510:34 pm -
1 stop15h 06m
Deal found 10/14![Frontier logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:02 pm -
2 stops31h 32m
Thu 11/510:30 pm -
1 stop15h 06m
Deal found 10/14![Frontier logo]()
$399
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:40 am -
2 stops13h 50m
Sat 11/77:25 am -
2 stops9h 15m
Deal found 10/14![Southwest logo]()
$393
This Trip.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:31 pm -
1 stop7h 03m
Thu 11/1910:29 pm -
1 stop16h 34m
Deal found 10/15![Frontier logo]()
$401
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:45 am -
1 stop8h 40m
Tue 11/177:45 am -
1 stop6h 33m
Deal found 10/14![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1411:40 am -
2 stops7h 25m
Wed 11/1811:00 am -
1 stop6h 00m
Deal found 10/14![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:55 am -
1 stop10h 15m
Sat 11/216:40 pm -
1 stop6h 10m
Deal found 10/14![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:55 am -
2 stops10h 30m
Tue 11/173:00 pm -
2 stops8h 50m
Deal found 10/14![Southwest logo]()
$387
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:02 pm -
2 stops31h 14m
Mon 11/238:28 pm -
2 stops23h 06m
Deal found 10/13![Frontier logo]()
$376
This Mytrip deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:02 pm -
2 stops31h 14m
Sun 11/228:28 pm -
2 stops18h 08m
Deal found 10/13![Frontier logo]()
$386
This Southwest deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:40 am -
2 stops13h 50m
Mon 11/238:00 pm -
1 stop6h 15m
Deal found 10/13![Southwest logo]()
$388
This Cheapflightsfares deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:10 pm -
1 stop15h 08m
Mon 11/308:28 pm -
1 stop21h 39m
Deal found 10/14![Frontier logo]()
$379
One-way flights from Portland to San AntonioSearch for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:02 pm -
1 stop29h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:02 pm -
1 stop29h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:02 pm -
1 stop29h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$158
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:25 pm -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:06 am -
2 stops30h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$186
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:40 pm -
1 stop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![United Airlines logo]()
$189
This Expedia deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:31 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$190
This Frontier deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:49 am -
1 stop5h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:04 pm -
2 stops19h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$198
Find flight deals from Portland to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $376 (Kiwi.com) |
One-way from | $145 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $426 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Portland to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 1/1
7:00 am-6:09 pm
1 stop9h 09m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 1/15
1:00 pm-11:18 pm
1 stop8h 18m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
Quickest round-trip
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Sun 12/20
4:25 pm-12:30 am
1 stop6h 05m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$194
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 1/1
6:55 am-5:00 pm
2 stops8h 05m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$215
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Sat 11/14
5:55 am-6:25 pm
2 stops10h 30m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 1/15
6:00 am-5:45 pm
2 stops9h 45m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Wed 12/16
1:00 pm-12:05 am
1 stop9h 05m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$224
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Wed 12/16
8:50 am-9:26 pm
2 stops10h 36m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$229
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Tue 11/10
11:51 am-12:33 am
1 stop10h 42m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Wed 11/11
7:00 am-3:38 pm
1 stop6h 38m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Portland to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to San Antonio in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Portland to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Portland with our price prediction graph.
PDX-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Portland to San Antonio
How far ahead should I book a flight from Portland to San Antonio?
Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Portland to San Antonio?
Currently, February is the cheapest month in which you can book a flight from Portland to San Antonio (average of $368). Flying from Portland to San Antonio in July is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Portland to San Antonio?
Airfare is typical for this route at the moment.
Portland to San Antonio flights typically cost between $369 and $497 in December.The cheapest round-trip price found within the last 5 days was $376 on Frontier (Dec 3-Dec 12).
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated October 19, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Portland to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
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Top 6 airlines flying from Portland to San Antonio
Discover the top 6 airlines that operate flights from Portland to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$330 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$237 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$406 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$276 | Average$439 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$330 | Average$438 | FlexibilityNo cancel fee | On-time63% |