$135+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
avr. 16 — avr. 231
Round-trip
1 adult, Economy
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Best
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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 mars 17, 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 mars 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
mar. 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
mar. 4/214:04 pm
SAT
- PDX
1 stop21h 48m
Frontier
Deal found 3/12![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/2912:38 pm
PDX
- SAT
1 stop23h 37m
Frontier
mer. 5/67:54 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/13![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/611:58 am
PDX
- SAT
1 stop10h 21m
Frontier
jeu. 4/163:00 pm
SAT
- PDX
1 stop22h 03m
Frontier
Deal found 3/16![Frontier logo]()
$218
This Gotogate deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2812:38 pm
PDX
- SAT
1 stop25h 15m
Frontier
mer. 5/68:59 pm
SAT
- PDX
1 stop25h 52m
Frontier
Deal found 3/15![Frontier logo]()
$219
This Gotogate deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
mer. 4/154:49 pm
SAT
- PDX
1 stop20h 14m
Frontier
Deal found 3/14![Frontier logo]()
$240
This CheapOair deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
lun. 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/13![Frontier logo]()
$242
This Booking.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
lun. 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/15![Frontier logo]()
$243
This Booking.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/311:15 am
PDX
- SAT
1 stop25h 00m
Frontier
mer. 5/67:54 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/14![Frontier logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/1711:48 am
PDX
- SAT
1 stop25h 21m
Frontier
sam. 4/254:04 pm
SAT
- PDX
1 stop20h 16m
Frontier
Deal found 3/13![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
jeu. 4/163:00 pm
SAT
- PDX
1 stop22h 03m
Frontier
Deal found 3/16![Frontier logo]()
$261
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 mars 17, 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 mars 17, 2026.
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 5/91:35 pm
PDX
- SAT
1 stop5h 25m
Southwest
jeu. 5/144:20 pm
SAT
- PDX
2 stops7h 50m
Southwest
Deal found 3/13![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 3/12. 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.
mar. 5/57:00 am
PDX
- SAT
1 stop6h 39m
United Airlines
mer. 5/64:35 pm
SAT
- PDX
1 stop8h 19m
United Airlines
Deal found 3/12![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/257:05 am
PDX
- SAT
2 stops12h 20m
Delta
mar. 4/287:38 am
SAT
- PDX
2 stops13h 14m
Delta
Deal found 3/16![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/58:45 am
PDX
- SAT
1 stop6h 20m
Alaska Airlines
mer. 5/61:32 pm
SAT
- PDX
1 stop8h 30m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/2212:45 pm
PDX
- SAT
2 stops7h 20m
Southwest
lun. 4/277:10 am
SAT
- PDX
2 stops9h 00m
Southwest
Deal found 3/16![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/115:25 am
PDX
- SAT
2 stops9h 35m
United Airlines
mer. 4/154:45 pm
SAT
- PDX
1 stop6h 29m
United Airlines
Deal found 3/13![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/255:25 am
PDX
- SAT
2 stops9h 35m
United Airlines
mar. 4/284:45 pm
SAT
- PDX
1 stop6h 29m
United Airlines
Deal found 3/13![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/122:20 pm
PDX
- SAT
1 stop5h 40m
Southwest
ven. 5/154:20 pm
SAT
- PDX
2 stops7h 50m
Southwest
Deal found 3/13![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/310:20 pm
PDX
- SAT
2 stops13h 45m
Southwest
mer. 5/64:55 pm
SAT
- PDX
2 stops7h 30m
Southwest
Deal found 3/14![Southwest logo]()
$393
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated mars 17, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated mars 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/611:58 am
PDX
- SAT
1 stop10h 21m
Frontier
jeu. 4/163:00 pm
SAT
- PDX
1 stop22h 03m
Frontier
Deal found 3/16![Frontier logo]()
$218
This Gotogate deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
mer. 4/154:49 pm
SAT
- PDX
1 stop20h 14m
Frontier
Deal found 3/14![Frontier logo]()
$240
This Booking.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
lun. 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/15![Frontier logo]()
$243
This CheapOair deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1311:58 am
PDX
- SAT
1 stop10h 21m
Frontier
jeu. 4/163:00 pm
SAT
- PDX
1 stop22h 03m
Frontier
Deal found 3/16![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
mar. 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
mar. 4/214:04 pm
SAT
- PDX
1 stop21h 48m
Frontier
Deal found 3/12![Frontier logo]()
$149
This CheapOair deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/141:48 pm
PDX
- SAT
1 stop24h 05m
Frontier
lun. 4/203:00 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/13![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 4/1711:48 am
PDX
- SAT
1 stop25h 21m
Frontier
sam. 4/254:04 pm
SAT
- PDX
1 stop20h 16m
Frontier
Deal found 3/13![Frontier logo]()
$248
This CheapOair deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 4/2512:27 pm
PDX
- SAT
1 stop23h 46m
Frontier
mar. 4/284:04 pm
SAT
- PDX
1 stop21h 48m
Frontier
Deal found 3/14![Frontier logo]()
$263
This Gotogate deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2812:38 pm
PDX
- SAT
1 stop25h 15m
Frontier
mer. 5/68:59 pm
SAT
- PDX
1 stop25h 52m
Frontier
Deal found 3/15![Frontier logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/2912:38 pm
PDX
- SAT
1 stop23h 37m
Frontier
mer. 5/67:54 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 3/13![Frontier logo]()
$170
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 mars 17, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated mars 17, 2026.
This Gotogate deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/1512:35 pm
PDX
- SAT
1 stop28h 24m
Frontier
Deal found 3/15![Frontier logo]()
$135
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/66:00 am
PDX
- SAT
1 stop6h 21m
American Airlines
Deal found 3/16![American Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 5/65:30 am
PDX
- SAT
2 stops7h 35m
Southwest
Deal found 3/16![Southwest logo]()
$144
This Priceline deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 3/2712:04 pm
PDX
- SAT
1 stop10h 13m
Frontier
Deal found 3/13![Frontier logo]()
$151
This Gotogate deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/3112:35 pm
PDX
- SAT
1 stop28h 24m
Frontier
Deal found 3/15![Frontier logo]()
$155
This deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/288:45 am
PDX
- SAT
1 stop6h 20m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$160
This Expedia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 3/2612:52 pm
PDX
- SAT
1 stop19h 48m
Frontier
Deal found 3/15![Frontier logo]()
$166
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1311:40 pm
PDX
- SAT
1 stop6h 43m
American Airlines
Deal found 3/16![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/3012:52 pm
PDX
- SAT
2 stops33h 25m
Frontier
Deal found 3/15![Frontier logo]()
$208
This CheapOair deal was found by Cheapflights users on 3/17. 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.
ven. 4/2411:48 am
PDX
- SAT
1 stop25h 21m
Frontier
Deal found 3/17![Frontier logo]()
$213
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 mars 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $149 (Kiwi.com) |
One-way from | $135 (Gotogate) |
Popular in | December |
Cheapest in | August |
Average price | $477 |
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 mars 17, 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
Quickest round-trip
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
sam. 5/9
1:35 pm-9:00 pm
1 stop5h 25m
San Antonio
jeu. 5/14
4:20 pm-10:10 pm
2 stops7h 50m
$354
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
mer. 4/22
12:45 pm-10:05 pm
2 stops7h 20m
San Antonio
lun. 4/27
7:10 am-2:10 pm
2 stops9h 00m
$359
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
mar. 5/5
7:00 am-3:39 pm
1 stop6h 39m
San Antonio
mer. 5/6
4:35 pm-10:54 pm
1 stop8h 19m
$367
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
sam. 4/11
5:25 am-5:00 pm
2 stops9h 35m
San Antonio
mer. 4/15
4:45 pm-9:14 pm
1 stop6h 29m
$372
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
sam. 4/25
5:25 am-5:00 pm
2 stops9h 35m
San Antonio
mar. 4/28
4:45 pm-9:14 pm
1 stop6h 29m
$372
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
mar. 5/12
2:20 pm-10:00 pm
1 stop5h 40m
San Antonio
ven. 5/15
4:20 pm-10:10 pm
2 stops7h 50m
$382
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
sam. 4/25
7:05 am-9:25 pm
2 stops12h 20m
San Antonio
mar. 4/28
7:38 am-6:52 pm
2 stops13h 14m
$393
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
dim. 5/3
10:20 pm-2:05 pm
2 stops13h 45m
San Antonio
mer. 5/6
4:55 pm-10:25 pm
2 stops7h 30m
$393
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
mar. 5/5
8:45 am-5:05 pm
1 stop6h 20m
San Antonio
mer. 5/6
1:32 pm-8:02 pm
1 stop8h 30m
$397
Cheapest one-way
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
ven. 4/24
10:42 am-11:36 pm
2 stops10h 54m
$217
Showing 1-10 of 15 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 March.
| 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 March 13, 2026.
Booking 41 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 $150). Flying from Portland to San Antonio in June is currently the most expensive (average of $206). 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 mars 17, 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
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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 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 mars 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$202 | Average$303 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$205 | Average$392 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$237 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$270 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$430 | FlexibilityNo cancel fee | On-time63% |