$126+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Aug 23 — Aug 301
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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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 24, 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 24, 2026.
This Orbitz deal was found by Cheapflights users on 7/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:34 pm
PDX
- SAT
1 stop12h 14m
Frontier
Mon 10/1912:43 pm
SAT
- PDX
1 stop9h 56m
Frontier
Deal found 7/20![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 7/20. 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 7/20![Frontier logo]()
$250
This Expedia deal was found by Cheapflights users on 7/22. 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.
Thu 9/109:34 pm
PDX
- SAT
1 stop12h 14m
Frontier
Sun 9/137:49 pm
SAT
- PDX
1 stop22h 46m
Frontier
Deal found 7/22![Frontier logo]()
$259
This Trip.com 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 Trip.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 7/24![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 7/21. 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 8/185:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Sat 8/228:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/21![Frontier logo]()
$265
This CheapOair deal was found by Cheapflights users on 7/19. 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 7/19![Frontier logo]()
$269
This Expedia deal was found by Cheapflights users on 7/22. 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 9/119:34 pm
PDX
- SAT
1 stop20h 08m
Frontier
Mon 9/2111:08 am
SAT
- PDX
1 stop7h 27m
Frontier
Deal found 7/22![Frontier logo]()
$274
This CheapOair deal was found by Cheapflights users on 7/23. 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 9/119:34 pm
PDX
- SAT
1 stop20h 08m
Frontier
Mon 9/1411:08 am
SAT
- PDX
1 stop7h 27m
Frontier
Deal found 7/23![Frontier logo]()
$275
This Expedia deal was found by Cheapflights users on 7/20. 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 9/113:22 pm
PDX
- SAT
1 stop16h 50m
Frontier
Sun 9/1311:08 am
SAT
- PDX
1 stop7h 27m
Frontier
Deal found 7/20![Frontier logo]()
$278
This CheapOair deal was found by Cheapflights users on 7/21. 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.
Wed 8/195:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Fri 8/218:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/21![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 7/22. 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 8/75:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Mon 8/107:49 pm
SAT
- PDX
1 stop22h 42m
Frontier
Deal found 7/22![Frontier logo]()
$288
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 24, 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 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 8/2712:55 pm
PDX
- SAT
1 stop7h 44m
United Airlines
Tue 9/19:10 am
SAT
- PDX
1 stop6h 04m
United Airlines
Deal found 7/23![United Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 7/23. 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 8/2710:45 pm
PDX
- SAT
1 stop11h 40m
Southwest
Tue 9/111:30 am
SAT
- PDX
2 stops8h 20m
Southwest
Deal found 7/23![Southwest logo]()
$328
This CheapOair deal was found by Cheapflights users on 7/19. 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.
Wed 8/195:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Sat 8/228:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/19![Frontier logo]()
$343
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 8/135:00 am
PDX
- SAT
1 stop8h 46m
Alaska Airlines
Mon 8/174:44 pm
SAT
- PDX
1 stop8h 46m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 7/23. 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 10/1611:25 am
PDX
- SAT
2 stops10h 43m
Delta
Mon 10/196:24 pm
SAT
- PDX
1 stop7h 19m
Delta
Deal found 7/23![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/158:40 am
PDX
- SAT
2 stops9h 13m
United Airlines
Tue 9/221:45 pm
SAT
- PDX
1 stop6h 24m
United Airlines
Deal found 7/23![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 7/21. 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 8/262:00 pm
PDX
- SAT
1 stop5h 30m
Southwest
Tue 9/16:10 am
SAT
- PDX
2 stops7h 40m
Southwest
Deal found 7/21![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 7/23. 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 10/136:00 am
PDX
- SAT
2 stops7h 20m
Southwest
Tue 10/136:30 pm
SAT
- PDX
2 stops7h 05m
Southwest
Deal found 7/23![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 7/20. 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 8/199:29 am
PDX
- SAT
2 stops12h 27m
Delta
Sat 8/226:50 am
SAT
- PDX
1 stop7h 20m
Delta
Deal found 7/20![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 7/20. 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 8/1712:40 pm
PDX
- SAT
2 stops7h 35m
Southwest
Thu 8/206:10 pm
SAT
- PDX
1 stop7h 30m
Southwest
Deal found 7/20![Southwest logo]()
$384
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated July 24, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/20. 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.
Wed 7/295:21 pm
PDX
- SAT
1 stop23h 23m
Frontier
Fri 8/77:49 pm
SAT
- PDX
1 stop23h 02m
Frontier
Deal found 7/20![Frontier logo]()
$318
This CheapOair deal was found by Cheapflights users on 7/22. 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 8/75:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Mon 8/107:49 pm
SAT
- PDX
1 stop22h 42m
Frontier
Deal found 7/22![Frontier logo]()
$288
This CheapOair deal was found by Cheapflights users on 7/20. 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 8/105:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Thu 8/2010:24 pm
SAT
- PDX
1 stop20h 57m
Frontier
Deal found 7/20![Frontier logo]()
$295
This CheapOair deal was found by Cheapflights users on 7/22. 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
Mon 8/177:49 pm
SAT
- PDX
1 stop23h 22m
Frontier
Deal found 7/22![Frontier logo]()
$269
This Trip.com deal was found by Cheapflights users on 7/22. 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.
Sat 8/1512:20 pm
PDX
- SAT
1 stop28h 34m
Frontier
Mon 8/177:49 pm
SAT
- PDX
1 stop23h 22m
Frontier
Deal found 7/22![Frontier logo]()
$307
This Trip.com 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 Trip.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 7/24![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 7/21. 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 8/185:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Sat 8/228:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/21![Frontier logo]()
$265
This CheapOair deal was found by Cheapflights users on 7/21. 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.
Wed 8/195:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Fri 8/218:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/21![Frontier logo]()
$284
This CheapOair deal was found by Cheapflights users on 7/22. 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.
Wed 8/195:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Sat 8/228:26 pm
SAT
- PDX
1 stop22h 45m
Frontier
Deal found 7/22![Frontier logo]()
$309
This CheapOair deal was found by Cheapflights users on 7/22. 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 7/22![Frontier logo]()
$250
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 24, 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 24, 2026.
This Mytrip deal was found by Cheapflights users on 7/19. 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.
Tue 9/15:56 pm
PDX
- SAT
1 stop23h 35m
Frontier
Deal found 7/19![Frontier logo]()
$126
This Orbitz deal was found by Cheapflights users on 7/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:34 pm
PDX
- SAT
1 stop22h 05m
Frontier
Deal found 7/21![Frontier logo]()
$145
This Booking.com deal was found by Cheapflights users on 7/20. 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.
Mon 8/35:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Deal found 7/20![Frontier logo]()
$146
This Trip.com deal was found by Cheapflights users on 7/22. 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.
Sun 8/166:49 pm
PDX
- SAT
1 stop23h 48m
Frontier
Deal found 7/22![Frontier logo]()
$148
This CheapOair deal was found by Cheapflights users on 7/19. 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 7/19![Frontier logo]()
$150
This CheapOair deal was found by Cheapflights users on 7/23. 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 10/23:22 pm
PDX
- SAT
1 stop16h 50m
Frontier
Deal found 7/23![Frontier logo]()
$156
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/158:40 am
PDX
- SAT
1 stop6h 15m
United Airlines
Deal found 7/23![United Airlines logo]()
$162
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/19:00 am
PDX
- SAT
2 stops9h 52m
United Airlines
Deal found 7/23![United Airlines logo]()
$167
This Booking.com deal was found by Cheapflights users on 7/23. 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.
Thu 7/306:49 pm
PDX
- SAT
1 stop23h 48m
Frontier
Deal found 7/23![Frontier logo]()
$172
This Booking.com deal was found by Cheapflights users on 7/21. 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.
Tue 8/45:16 pm
PDX
- SAT
1 stop23h 38m
Frontier
Deal found 7/21![Frontier logo]()
$176
This Southwest deal was found by Cheapflights users on 7/19. 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 9/213:40 pm
PDX
- SAT
1 stop6h 15m
Southwest
Deal found 7/19![Southwest logo]()
$180
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 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Orbitz) |
One-way from | $126 (Mytrip) |
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 24, 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
Thu 8/27
12:55 pm-10:39 pm
1 stop7h 44m
San Antonio
Tue 9/1
9:10 am-1:14 pm
1 stop6h 04m
$323
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Thu 8/27
10:45 pm-12:25 pm
1 stop11h 40m
San Antonio
Tue 9/1
11:30 am-5:50 pm
2 stops8h 20m
$328
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 9/15
8:40 am-7:53 pm
2 stops9h 13m
San Antonio
Tue 9/22
1:45 pm-6:09 pm
1 stop6h 24m
$328
Quickest round-trip
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 8/26
2:00 pm-9:30 pm
1 stop5h 30m
San Antonio
Tue 9/1
6:10 am-11:50 am
2 stops7h 40m
$328
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 10/13
6:00 am-3:20 pm
2 stops7h 20m
San Antonio
Tue 10/13
6:30 pm-11:35 pm
2 stops7h 05m
$333
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 8/19
5:56 pm-7:31 pm
1 stop23h 35m
San Antonio
Sat 8/22
8:26 pm-5:11 pm
1 stop22h 45m
$343
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Mon 8/17
12:40 pm-10:15 pm
2 stops7h 35m
San Antonio
Thu 8/20
6:10 pm-11:40 pm
1 stop7h 30m
$384
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Thu 8/13
5:00 am-3:46 pm
1 stop8h 46m
San Antonio
Mon 8/17
4:44 pm-11:30 pm
1 stop8h 46m
$390
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Fri 10/16
11:25 am-12:08 am
2 stops10h 43m
San Antonio
Mon 10/19
6:24 pm-11:43 pm
1 stop7h 19m
$408
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 8/19
9:29 am-11:56 pm
2 stops12h 27m
San Antonio
Sat 8/22
6:50 am-12:10 pm
1 stop7h 20m
$411
Showing 1-10 of 19 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 $323). 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 $378 and $597 in October.The cheapest round-trip price found within the last 5 days was $240 on Frontier (Oct 15-Oct 19).
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 24, 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.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Overall
8.0
Food
7.0
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 24, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$237 | Average$419 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$249 | Average$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$445 | FlexibilityNo cancel fee | On-time63% |