$60+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Mar 4 — Mar 111
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
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 February 2, 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 February 2, 2026.
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Sat 4/253:34 pm
SAT
- PDX
1 stop21h 29m
Frontier
Deal found 2/1![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 1/31. 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 3/912:04 pm
PDX
- SAT
1 stop10h 13m
Frontier
Mon 3/166:45 am
SAT
- PDX
1 stop6h 24m
Frontier
Deal found 1/31![Frontier logo]()
$228
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 4/88:40 am
PDX
- SAT
1 stop6h 16m
United Airlines
Tue 4/146:02 pm
SAT
- PDX
1 stop6h 56m
United Airlines
Deal found 2/1![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 1/31. 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 3/57:00 am
PDX
- SAT
1 stop6h 33m
United Airlines
Tue 3/105:47 am
SAT
- PDX
1 stop6h 07m
United Airlines
Deal found 1/31![United Airlines logo]()
$287
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:30 am
PDX
- SAT
1 stop10h 45m
Multiple Airlines
Mon 3/166:45 am
SAT
- PDX
1 stop6h 24m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 1/31. 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 4/225:30 am
PDX
- SAT
2 stops9h 40m
Delta
Sat 4/256:20 pm
SAT
- PDX
1 stop6h 25m
Delta
Deal found 1/31![Delta logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 4/1711:48 am
PDX
- SAT
1 stop24h 51m
Frontier
Sun 4/193:14 pm
SAT
- PDX
1 stop21h 49m
Frontier
Deal found 1/30![Frontier logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 4/3011:48 am
PDX
- SAT
2 stops19h 36m
Frontier
Sun 5/33:14 pm
SAT
- PDX
1 stop21h 49m
Frontier
Deal found 1/31![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:56 pm
PDX
- SAT
2 stops27h 21m
Multiple Airlines
Sun 3/84:54 pm
SAT
- PDX
1 stop18h 04m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$311
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 February 2, 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 February 2, 2026.
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Sat 4/253:34 pm
SAT
- PDX
1 stop21h 29m
Frontier
Deal found 2/1![Frontier logo]()
$201
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 4/88:40 am
PDX
- SAT
1 stop6h 16m
United Airlines
Tue 4/149:40 am
SAT
- PDX
2 stops10h 05m
United Airlines
Deal found 2/1![United Airlines logo]()
$273
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:05 pm
PDX
- SAT
1 stop6h 49m
American Airlines
Mon 3/95:36 pm
SAT
- PDX
1 stop7h 33m
American Airlines
Deal found 2/1![American Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 2/1. 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 4/186:25 am
PDX
- SAT
1 stop8h 40m
Southwest
Sun 4/269:00 pm
SAT
- PDX
1 stop6h 15m
Southwest
Deal found 2/1![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:10 pm
PDX
- SAT
1 stop8h 19m
Delta
Fri 3/131:47 pm
SAT
- PDX
2 stops9h 11m
Delta
Deal found 2/1![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 1/31. 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 4/11:45 pm
PDX
- SAT
1 stop8h 31m
Delta
Thu 4/97:35 am
SAT
- PDX
2 stops13h 50m
Delta
Deal found 1/31![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 5/207:45 pm
PDX
- SAT
1 stop7h 25m
United Airlines
Sun 5/248:54 am
SAT
- PDX
1 stop8h 19m
United Airlines
Deal found 1/31![United Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:48 am
PDX
- SAT
2 stops19h 36m
Frontier
Sun 4/263:14 pm
SAT
- PDX
1 stop21h 49m
Frontier
Deal found 2/1![Frontier logo]()
$354
This Delta deal was found by Cheapflights users on 1/30. 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 3/267:05 am
PDX
- SAT
2 stops8h 00m
Delta
Mon 3/301:47 pm
SAT
- PDX
2 stops9h 12m
Delta
Deal found 1/30![Delta logo]()
$353
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated February 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 1/31. 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 2/1812:09 pm
PDX
- SAT
1 stop10h 26m
Delta
Sun 2/227:35 am
SAT
- PDX
1 stop6h 50m
Delta
Deal found 1/31![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 2/185:05 am
PDX
- SAT
1 stop6h 03m
United Airlines
Sat 2/214:12 pm
SAT
- PDX
1 stop8h 47m
United Airlines
Deal found 2/1![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Wed 2/187:57 pm
PDX
- SAT
2 stops10h 46m
United Airlines
Sun 2/224:45 pm
SAT
- PDX
1 stop6h 30m
United Airlines
Deal found 1/31![United Airlines logo]()
$444
This Southwest deal was found by Cheapflights users on 2/1. 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 2/186:20 am
PDX
- SAT
2 stops7h 45m
Southwest
Sat 2/215:40 am
SAT
- PDX
2 stops8h 50m
Southwest
Deal found 2/1![Southwest logo]()
$453
This American Airlines deal was found by Cheapflights users on 1/30. 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 2/201:52 pm
PDX
- SAT
1 stop7h 15m
American Airlines
Mon 2/235:41 pm
SAT
- PDX
1 stop7h 46m
American Airlines
Deal found 1/30![American Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 1/30. 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 2/205:30 am
PDX
- SAT
2 stops9h 34m
Delta
Mon 2/237:35 am
SAT
- PDX
2 stops13h 13m
Delta
Deal found 1/30![Delta logo]()
$393
This Expedia deal was found by Cheapflights users on 1/31. 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.
Sun 2/228:30 am
PDX
- SAT
1 stop6h 40m
Multiple Airlines
Fri 3/66:45 am
SAT
- PDX
1 stop6h 24m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:40 pm
PDX
- SAT
1 stop12h 38m
American Airlines
Sun 3/15:00 am
SAT
- PDX
1 stop8h 07m
American Airlines
Deal found 2/1![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:35 am
PDX
- SAT
2 stops11h 06m
Delta
Sun 3/17:00 am
SAT
- PDX
2 stops13h 48m
Delta
Deal found 2/1![Delta logo]()
$438
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 February 2, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/612:04 pm
PDX
- SAT
1 stop19h 02m
Frontier
Deal found 1/31![Frontier logo]()
$60
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:04 pm
PDX
- SAT
1 stop10h 13m
Frontier
Deal found 2/1![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 1/31. 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 3/812:04 pm
PDX
- SAT
1 stop10h 13m
Frontier
Deal found 1/31![Frontier logo]()
$92
This Trip.com deal was found by Cheapflights users on 1/31. 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.
Mon 3/1612:04 pm
PDX
- SAT
1 stop10h 13m
Frontier
Deal found 1/31![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Mon 3/912:04 pm
PDX
- SAT
1 stop10h 13m
Frontier
Deal found 1/31![Frontier logo]()
$95
This CheapOair deal was found by Cheapflights users on 1/31. 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 4/141:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Deal found 1/31![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:18 pm
PDX
- SAT
2 stops13h 27m
Frontier
Deal found 2/1![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 5/191:48 pm
PDX
- SAT
1 stop22h 31m
Frontier
Deal found 1/31![Frontier logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/79:24 am
PDX
- SAT
2 stops20h 42m
Frontier
Deal found 2/1![Frontier logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 4/2411:48 am
PDX
- SAT
1 stop24h 51m
Frontier
Deal found 1/31![Frontier logo]()
$117
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 February 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (CheapOair) |
One-way from | $60 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $359 |
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 February 2, 2026.
Use the filters below to find and compare flights from Portland to San Antonio that are best for you.
Fly from
Portland
Fly to
San Antonio
Route
Depart
Return
Price
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 4/22
1:48 pm-2:19 pm
1 stop22h 31m
San Antonio
Sat 4/25
3:34 pm-11:03 am
1 stop21h 29m
$201
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 4/8
8:40 am-4:56 pm
1 stop6h 16m
San Antonio
Tue 4/14
9:40 am-5:45 pm
2 stops10h 05m
$273
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Sat 3/7
2:05 pm-10:54 pm
1 stop6h 49m
San Antonio
Mon 3/9
5:36 pm-11:09 pm
1 stop7h 33m
$287
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Sat 4/18
6:25 am-5:05 pm
1 stop8h 40m
San Antonio
Sun 4/26
9:00 pm-1:15 am
1 stop6h 15m
$312
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 3/10
1:10 pm-11:29 pm
1 stop8h 19m
San Antonio
Fri 3/13
1:47 pm-8:58 pm
2 stops9h 11m
$324
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 4/1
1:45 pm-12:16 am
1 stop8h 31m
San Antonio
Thu 4/9
7:35 am-7:25 pm
2 stops13h 50m
$336
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 5/20
7:45 pm-5:10 am
1 stop7h 25m
San Antonio
Sun 5/24
8:54 am-3:13 pm
1 stop8h 19m
$337
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Thu 3/26
7:05 am-5:05 pm
2 stops8h 00m
San Antonio
Mon 3/30
1:47 pm-8:59 pm
2 stops9h 12m
$353
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Thu 4/23
11:48 am-9:24 am
2 stops19h 36m
San Antonio
Sun 4/26
3:14 pm-11:03 am
1 stop21h 49m
$354
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Mon 3/2
10:18 pm-1:45 pm
2 stops13h 27m
$108
Showing 1-10 of 19 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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?
Use this chart to determine the optimal time to book a round-trip flight from Portland to San Antonio. Price data was last updated on January 30, 2026.
Booking 70 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 $148). Flying from Portland to San Antonio in March is currently the most expensive (average of $218). 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.
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 February 2, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United 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.
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Overall
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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Alternative routes for Portland to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Portland to San Antonio
Discover the top 7 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 February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$211 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$144 | Average$276 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$211 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$402 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$269 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$270 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$432 | FlexibilityNo cancel fee | On-time63% |