$119+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Oct 6 — Oct 131
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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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 September 6, 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 September 6, 2026.
This Frontier deal was found by Cheapflights users on 9/3. 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 9/2412:38 pm -
1 stop28h 47m
Wed 9/303:19 pm -
1 stop22h 17m
Deal found 9/3![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 9/3. 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 10/1311:49 am -
1 stop5h 37m
Sat 10/178:21 pm -
1 stop16h 33m
Deal found 9/3![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Thu 10/2212:11 pm -
1 stop7h 38m
Sat 10/248:21 pm -
1 stop16h 33m
Deal found 9/2![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 9/3. 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 10/2312:25 pm -
1 stop23h 27m
Mon 10/268:21 pm -
1 stop16h 46m
Deal found 9/3![Frontier logo]()
$264
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:49 am -
1 stop5h 37m
Tue 10/205:26 pm -
1 stop7h 36m
Deal found 9/3![Multiple Airlines logo]()
$288
This CheapOair deal was found by Cheapflights users on 9/2. 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 9/2812:39 pm -
1 stop23h 41m
Wed 9/303:19 pm -
1 stop22h 17m
Deal found 9/2![Frontier logo]()
$302
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/2312:25 pm -
1 stop7h 24m
Sun 10/2510:34 pm -
1 stop15h 06m
Deal found 9/2![Frontier logo]()
$312
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/1612:25 pm -
1 stop23h 27m
Mon 10/198:21 pm -
1 stop16h 33m
Deal found 9/2![Frontier logo]()
$320
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Fri 9/2512:38 pm -
1 stop28h 47m
Sun 9/278:20 pm -
1 stop17h 23m
Deal found 9/4![Frontier logo]()
$323
This CheapOair deal was found by Cheapflights users on 9/3. 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 10/312:24 pm -
1 stop21h 20m
Sat 10/108:21 pm -
1 stop16h 33m
Deal found 9/3![Frontier logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/612:57 pm -
1 stop6h 34m
Wed 10/75:30 am -
1 stop5h 58m
Deal found 9/1![United Airlines logo]()
$332
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 September 6, 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 September 6, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 11/1012:35 am -
1 stop9h 20m
Sat 11/143:16 pm -
1 stop8h 51m
Deal found 9/3![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 9/1. 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 9/305:50 am -
1 stop7h 00m
Wed 10/76:30 pm -
2 stops7h 10m
Deal found 9/1![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/2512:45 pm -
2 stops8h 06m
Sun 9/275:30 am -
1 stop6h 06m
Deal found 9/1![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 9/3. 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.
Mon 9/285:10 pm -
1 stop5h 21m
Wed 9/307:05 am -
1 stop7h 47m
Deal found 9/3![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 9/3. 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 10/243:15 pm -
1 stop5h 40m
Sun 10/255:30 am -
1 stop6h 05m
Deal found 9/3![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 9/2. 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 11/1111:20 pm -
1 stop9h 30m
Sun 11/156:30 pm -
1 stop7h 16m
Deal found 9/2![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 9/1. 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 12/37:21 pm -
2 stops11h 15m
Sat 12/124:45 pm -
1 stop6h 30m
Deal found 9/1![United Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 9/1. 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 10/66:00 am -
2 stops7h 20m
Sat 10/103:30 pm -
2 stops8h 40m
Deal found 9/1![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 9/3. 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 10/81:06 pm -
1 stop9h 07m
Sat 10/106:35 am -
1 stop7h 28m
Deal found 9/3![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 9/1. 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 9/121:35 pm -
1 stop6h 10m
Thu 9/176:10 pm -
1 stop7h 35m
Deal found 9/1![Southwest logo]()
$412
This Delta deal was found by Cheapflights users on 9/5. 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 10/1612:29 pm -
2 stops9h 44m
Mon 10/194:45 pm -
2 stops9h 14m
Deal found 9/5![Delta logo]()
$393
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated September 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 9/3. 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 9/2412:38 pm -
1 stop28h 47m
Wed 9/303:19 pm -
1 stop22h 17m
Deal found 9/3![Frontier logo]()
$239
This Trip.com deal was found by Cheapflights users on 9/4. 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.
Fri 9/2512:38 pm -
1 stop28h 47m
Sun 9/278:20 pm -
1 stop17h 23m
Deal found 9/4![Frontier logo]()
$323
This CheapOair deal was found by Cheapflights users on 9/2. 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 9/2812:39 pm -
1 stop23h 41m
Wed 9/303:19 pm -
1 stop22h 17m
Deal found 9/2![Frontier logo]()
$302
This CheapOair deal was found by Cheapflights users on 9/3. 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 10/312:24 pm -
1 stop21h 20m
Sat 10/108:21 pm -
1 stop16h 33m
Deal found 9/3![Frontier logo]()
$327
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/612:57 pm -
1 stop6h 34m
Wed 10/75:30 am -
1 stop5h 58m
Deal found 9/1![United Airlines logo]()
$332
This CheapOair deal was found by Cheapflights users on 9/3. 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 10/1311:49 am -
1 stop5h 37m
Sat 10/178:21 pm -
1 stop16h 33m
Deal found 9/3![Frontier logo]()
$248
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:49 am -
1 stop5h 37m
Tue 10/205:26 pm -
1 stop7h 36m
Deal found 9/3![Multiple Airlines logo]()
$288
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/1612:25 pm -
1 stop23h 27m
Mon 10/198:21 pm -
1 stop16h 33m
Deal found 9/2![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 9/2. 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.
Thu 10/2212:11 pm -
1 stop7h 38m
Sat 10/248:21 pm -
1 stop16h 33m
Deal found 9/2![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 9/3. 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 10/2312:25 pm -
1 stop23h 27m
Mon 10/268:21 pm -
1 stop16h 46m
Deal found 9/3![Frontier logo]()
$264
This CheapOair deal was found by Cheapflights users on 9/2. 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 10/2312:25 pm -
1 stop7h 24m
Sun 10/2510:34 pm -
1 stop15h 06m
Deal found 9/2![Frontier logo]()
$312
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 September 6, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Priceline deal was found by Cheapflights users on 9/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:49 am -
1 stop5h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$119
This Booking.com deal was found by Cheapflights users on 9/3. 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.
Sat 10/312:24 pm -
1 stop21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 9/1. 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.
Fri 10/212:39 pm -
1 stop6h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$164
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Tue 9/292:07 pm -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$169
This Travelocity deal was found by Cheapflights users on 9/4. 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.
Fri 9/1112:38 pm -
1 stop28h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$170
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 10/35:00 am -
2 stops8h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/212:01 pm -
1 stop6h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$185
This Booking.com deal was found by Cheapflights users on 9/1. 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.
Sat 9/1912:24 pm -
1 stop21h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$200
This Delta deal was found by Cheapflights users on 9/2. 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 12/225:19 pm -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$214
This Booking.com deal was found by Cheapflights users on 9/1. 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 9/1412:39 pm -
1 stop23h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$216
This Southwest deal was found by Cheapflights users on 9/2. 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 11/266:25 am -
2 stops8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$220
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (Frontier) |
One-way from | $119 (Priceline) |
Popular in | July |
Cheapest in | February |
Average price | $391 |
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 September 6, 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
Tue 9/29
10:43 am-10:51 pm
2 stops10h 08m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$174
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Sat 10/3
5:00 am-3:53 pm
2 stops8h 53m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$174
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 10/2
12:38 pm-7:25 pm
1 stop28h 47m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$218
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Thu 11/26
6:25 am-4:25 pm
2 stops8h 00m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Mon 12/21
2:00 pm-1:55 am
2 stops9h 55m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$220
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Tue 10/13
7:33 pm-8:38 am
2 stops11h 05m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$224
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Tue 9/22
10:45 pm-11:00 am
1 stop10h 15m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$224
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 10/2
5:30 am-5:12 pm
2 stops9h 42m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$227
Quickest round-trip
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Sat 9/19
9:00 am-6:45 pm
2 stops7h 45m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$229
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 9/11
12:45 pm-10:44 pm
2 stops7h 59m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
Showing 1-10 of 22 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 September.
| 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 $378). 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 below average for this route at the moment.
Portland to San Antonio flights typically cost between $346 and $429 in September.The cheapest round-trip price found within the last 5 days was $239 on Frontier (Sep 24-Sep 30).
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 September 6, 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.
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Overall
8.0
Food
7.0
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
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
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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 September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$357 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$236 | Average$430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$247 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$276 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$463 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$443 | FlexibilityNo cancel fee | On-time63% |