$136+ Cheap flights from Portland to San Antonio (PDX - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Aug 28 — Sep 41
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
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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
Cheapest
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 July 29, 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 July 29, 2026.
This Travelocity deal was found by Cheapflights users on 7/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:34 pm
PDX
- SAT
1 stop12h 14m
Frontier
Sun 10/1110:41 pm
SAT
- PDX
1 stop23h 58m
Frontier
Deal found 7/25![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Tue 8/255:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Thu 8/2710:24 pm
SAT
- PDX
1 stop20h 57m
Frontier
Deal found 7/27![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:17 pm
PDX
- SAT
1 stop25h 12m
Frontier
Sat 8/298:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/27![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 7/26. 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.
Sat 9/2612:24 pm
PDX
- SAT
1 stop21h 20m
Frontier
Sat 10/1012:16 pm
SAT
- PDX
1 stop6h 19m
Frontier
Deal found 7/26![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 7/29. 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 9/411:40 am
PDX
- SAT
1 stop7h 49m
Frontier
Wed 9/93:19 pm
SAT
- PDX
1 stop22h 17m
Frontier
Deal found 7/29![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 7/26. 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 10/1612:34 pm
PDX
- SAT
1 stop20h 47m
Frontier
Mon 10/1912:16 pm
SAT
- PDX
1 stop6h 19m
Frontier
Deal found 7/26![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/185:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Tue 8/258:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/29![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Sat 10/1012:34 pm
PDX
- SAT
1 stop20h 47m
Frontier
Tue 10/1312:16 pm
SAT
- PDX
1 stop6h 19m
Frontier
Deal found 7/24![Frontier logo]()
$285
This Trip.com deal was found by Cheapflights users on 7/29. 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.
Tue 9/15:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Fri 9/48:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/29![Frontier logo]()
$287
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 July 29, 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 July 29, 2026.
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Tue 8/255:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Thu 8/278:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/24![Frontier logo]()
$271
This Delta deal was found by Cheapflights users on 7/29. 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 8/2011:20 pm
PDX
- SAT
1 stop9h 14m
Delta
Tue 8/254:49 pm
SAT
- PDX
1 stop7h 23m
Delta
Deal found 7/29![Delta logo]()
$323
This Southwest deal was found by Cheapflights users on 7/25. 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 8/245:00 am
PDX
- SAT
2 stops12h 20m
Southwest
Mon 8/315:35 am
SAT
- PDX
1 stop6h 40m
Southwest
Deal found 7/25![Southwest logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:30 pm
PDX
- SAT
1 stop6h 30m
Alaska Airlines
Mon 8/174:44 pm
SAT
- PDX
1 stop8h 46m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$395
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Sat 9/263:22 pm
PDX
- SAT
1 stop16h 50m
Frontier
Sat 10/1012:16 pm
SAT
- PDX
1 stop6h 19m
Frontier
Deal found 7/24![Frontier logo]()
$312
This Delta deal was found by Cheapflights users on 7/28. 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 8/195:45 am
PDX
- SAT
1 stop5h 46m
Delta
Thu 8/274:49 pm
SAT
- PDX
1 stop7h 55m
Delta
Deal found 7/28![Delta logo]()
$328
This Southwest deal was found by Cheapflights users on 7/26. 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 10/214:05 pm
PDX
- SAT
1 stop5h 35m
Southwest
Fri 10/233:55 pm
SAT
- PDX
2 stops9h 50m
Southwest
Deal found 7/26![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 10/168:44 pm
PDX
- SAT
2 stops12h 56m
Delta
Mon 10/194:45 pm
SAT
- PDX
1 stop7h 34m
Delta
Deal found 7/28![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 7/24. 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.
Tue 8/251:25 pm
PDX
- SAT
1 stop8h 31m
Delta
Thu 8/277:30 am
SAT
- PDX
2 stops11h 44m
Delta
Deal found 7/24![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 7/25. 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.
Sun 10/258:44 pm
PDX
- SAT
2 stops10h 59m
Delta
Sat 10/312:30 pm
SAT
- PDX
2 stops10h 12m
Delta
Deal found 7/25![Delta logo]()
$423
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated July 29, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/25. 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 8/145:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Tue 8/188:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/25![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 7/28. 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 8/145:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Sun 8/169:32 pm
SAT
- PDX
1 stop21h 22m
Frontier
Deal found 7/28![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/185:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Tue 8/258:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/29![Frontier logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/185:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Wed 8/2610:24 pm
SAT
- PDX
1 stop16h 28m
Frontier
Deal found 7/29![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/2112:20 pm
PDX
- SAT
1 stop29h 11m
Frontier
Tue 8/258:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/29![Frontier logo]()
$302
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:17 pm
PDX
- SAT
1 stop25h 12m
Frontier
Sat 8/298:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/27![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 7/25. 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.
Mon 8/246:17 pm
PDX
- SAT
1 stop25h 12m
Frontier
Mon 8/318:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/25![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Tue 8/255:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Thu 8/2710:24 pm
SAT
- PDX
1 stop20h 57m
Frontier
Deal found 7/27![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/275:56 pm
PDX
- SAT
2 stops25h 33m
Frontier
Tue 9/18:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/28![Frontier logo]()
$304
This CheapOair deal was found by Cheapflights users on 7/27. 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 8/286:17 pm
PDX
- SAT
1 stop25h 12m
Frontier
Sun 8/308:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/27![Frontier logo]()
$293
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 July 29, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Expedia deal was found by Cheapflights users on 7/26. 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 9/1412:38 pm
PDX
- SAT
1 stop28h 47m
Frontier
Deal found 7/26![Frontier logo]()
$136
This Expedia deal was found by Cheapflights users on 7/27. 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.
Fri 9/411:40 am
PDX
- SAT
1 stop7h 49m
Frontier
Deal found 7/27![Frontier logo]()
$139
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Mon 8/175:49 pm
PDX
- SAT
1 stop25h 40m
Frontier
Deal found 7/24![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 7/24. 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.
Sun 9/209:34 pm
PDX
- SAT
1 stop12h 10m
Frontier
Deal found 7/24![Frontier logo]()
$145
This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1312:38 pm
PDX
- SAT
1 stop28h 47m
Frontier
Deal found 7/26![Frontier logo]()
$146
This CheapOair deal was found by Cheapflights users on 7/27. 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 10/2312:34 pm
PDX
- SAT
1 stop20h 47m
Frontier
Deal found 7/27![Frontier logo]()
$150
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:15 am
PDX
- SAT
1 stop6h 06m
American Airlines
Deal found 7/26![American Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 7/26. 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 9/145:00 am
PDX
- SAT
2 stops7h 55m
Southwest
Deal found 7/26![Southwest logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Sun 8/301:47 pm
PDX
- SAT
1 stop29h 42m
Frontier
Deal found 7/27![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sat 10/312:24 pm
PDX
- SAT
2 stops29h 01m
Frontier
Deal found 7/28![Frontier logo]()
$202
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 July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $269 (Travelocity) |
One-way from | $136 (Expedia) |
Popular in | June |
Cheapest in | September |
Average price | $505 |
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 2,558,603 searches. Data last updated July 29, 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 - SAT
PDXSAT
Portland
Tue 8/25
5:56 pm-7:31 pm
1 stop23h 35m
San Antonio
Thu 8/27
8:26 pm-5:11 pm
1 stop22h 45m
$271
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Sat 9/26
3:22 pm-10:12 am
1 stop16h 50m
San Antonio
Sat 10/10
12:16 pm-4:35 pm
1 stop6h 19m
$312
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Thu 8/20
11:20 pm-10:34 am
1 stop9h 14m
San Antonio
Tue 8/25
4:49 pm-10:12 pm
1 stop7h 23m
$323
Quickest round-trip
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 8/19
5:45 am-1:31 pm
1 stop5h 46m
San Antonio
Thu 8/27
4:49 pm-10:44 pm
1 stop7h 55m
$328
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Mon 8/24
5:00 am-7:20 pm
2 stops12h 20m
San Antonio
Mon 8/31
5:35 am-10:15 am
1 stop6h 40m
$334
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 10/21
4:05 pm-11:40 pm
1 stop5h 35m
San Antonio
Fri 10/23
3:55 pm-11:45 pm
2 stops9h 50m
$375
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Thu 8/13
8:30 pm-5:00 am
1 stop6h 30m
San Antonio
Mon 8/17
4:44 pm-11:30 pm
1 stop8h 46m
$395
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Fri 10/16
8:44 pm-11:40 am
2 stops12h 56m
San Antonio
Mon 10/19
4:45 pm-10:19 pm
1 stop7h 34m
$408
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 8/25
1:25 pm-11:56 pm
1 stop8h 31m
San Antonio
Thu 8/27
7:30 am-5:14 pm
2 stops11h 44m
$423
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Sun 10/25
8:44 pm-9:43 am
2 stops10h 59m
San Antonio
Sat 10/31
2:30 pm-10:42 pm
2 stops10h 12m
$423
Showing 1-10 of 20 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 July.
| 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 90 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, September is the cheapest month in which you can book a flight from Portland to San Antonio (average of $321). Flying from Portland to San Antonio in June is currently the most expensive (average of $507). 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 below average for this route at the moment.
Portland to San Antonio flights typically cost between $357 and $559 in October.The cheapest round-trip price found within the last 5 days was $269 on Frontier (Oct 8-Oct 11).
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 July 29, 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.
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Portland to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Portland and San Antonio flights
Browse other Portland and San Antonio flight options. Last updated on July 29, 2026.
Other flights from Portland
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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 2,558,603 searches. Data last updated July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$422 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$249 | Average$444 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$447 | FlexibilityNo cancel fee | On-time63% |