$166+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Jun 30 — Jul 71
Round-trip
1 adult, Economy
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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 May 31, 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 May 31, 2026.
This Delta deal was found by Cheapflights users on 5/31. 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 8/196:00 am
PDX
- SAT
1 stop9h 11m
Delta
Sat 8/226:30 am
SAT
- PDX
1 stop9h 08m
Delta
Deal found 5/31![Delta logo]()
$296
This United Airlines deal was found by Cheapflights users on 5/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:56 am
PDX
- SAT
1 stop6h 52m
United Airlines
Tue 10/62:15 pm
SAT
- PDX
1 stop7h 03m
United Airlines
Deal found 5/30![United Airlines logo]()
$312
This CheapOair deal was found by Cheapflights users on 5/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:19 am
PDX
- SAT
1 stop7h 27m
Alaska Airlines
Tue 8/184:44 pm
SAT
- PDX
1 stop9h 15m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$323
This Booking.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:21 pm
PDX
- SAT
1 stop23h 23m
Frontier
Sat 7/187:39 pm
SAT
- PDX
1 stop23h 12m
Frontier
Deal found 5/28![Frontier logo]()
$327
This Booking.com deal was found by Cheapflights users on 5/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:20 pm
PDX
- SAT
1 stop28h 24m
Frontier
Tue 7/287:39 pm
SAT
- PDX
1 stop22h 57m
Frontier
Deal found 5/30![Frontier logo]()
$333
This CheapOair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:16 pm
PDX
- SAT
1 stop23h 38m
Frontier
Sat 7/187:49 pm
SAT
- PDX
1 stop23h 02m
Frontier
Deal found 5/27![Frontier logo]()
$334
This Gotogate deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
PDX
- SAT
1 stop23h 36m
Frontier
Thu 6/258:56 pm
SAT
- PDX
1 stop24h 51m
Frontier
Deal found 5/26![Frontier logo]()
$338
This CheapOair deal was found by Cheapflights users on 5/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:21 pm
PDX
- SAT
1 stop23h 23m
Frontier
Mon 7/137:39 pm
SAT
- PDX
1 stop22h 52m
Frontier
Deal found 5/30![Frontier logo]()
$339
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:42 pm
PDX
- SAT
1 stop21h 29m
Frontier
Tue 6/237:51 pm
SAT
- PDX
1 stop22h 44m
Frontier
Deal found 5/29![Frontier logo]()
$340
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:08 pm
PDX
- SAT
1 stop5h 18m
Delta
Wed 8/192:22 pm
SAT
- PDX
1 stop7h 55m
Delta
Deal found 5/29![Delta logo]()
$342
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:00 pm
PDX
- SAT
1 stop5h 30m
Southwest
Sat 10/33:25 pm
SAT
- PDX
2 stops8h 35m
Southwest
Deal found 5/31![Southwest logo]()
$346
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 May 31, 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 May 31, 2026.
This United Airlines deal was found by Cheapflights users on 5/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:07 pm
PDX
- SAT
1 stop5h 50m
United Airlines
Mon 8/174:12 pm
SAT
- PDX
2 stops8h 33m
United Airlines
Deal found 5/30![United Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:20 am
PDX
- SAT
2 stops8h 55m
Southwest
Mon 8/1711:10 am
SAT
- PDX
2 stops10h 10m
Southwest
Deal found 5/30![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 5/30. 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.
Sun 6/72:10 pm
PDX
- SAT
1 stop8h 23m
Delta
Thu 6/116:03 pm
SAT
- PDX
1 stop7h 15m
Delta
Deal found 5/30![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:20 pm
PDX
- SAT
2 stops9h 36m
Delta
Sat 8/226:30 am
SAT
- PDX
1 stop9h 08m
Delta
Deal found 5/29![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
PDX
- SAT
2 stops8h 50m
Southwest
Thu 8/201:25 pm
SAT
- PDX
2 stops10h 10m
Southwest
Deal found 5/30![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/141:25 pm
PDX
- SAT
1 stop8h 29m
Delta
Fri 7/176:03 pm
SAT
- PDX
1 stop7h 41m
Delta
Deal found 5/28![Delta logo]()
$434
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:00 am
PDX
- SAT
2 stops7h 30m
Southwest
Sun 7/56:40 pm
SAT
- PDX
2 stops8h 25m
Southwest
Deal found 5/30![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/86:30 am
PDX
- SAT
1 stop6h 23m
Delta
Mon 7/134:46 pm
SAT
- PDX
2 stops9h 08m
Delta
Deal found 5/29![Delta logo]()
$476
This Southwest deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2312:35 pm
PDX
- SAT
2 stops9h 55m
Southwest
Fri 6/268:35 pm
SAT
- PDX
1 stop5h 55m
Southwest
Deal found 5/26![Southwest logo]()
$483
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:33 am
PDX
- SAT
1 stop9h 13m
Delta
Fri 7/176:05 pm
SAT
- PDX
1 stop7h 13m
Delta
Deal found 5/28![Delta logo]()
$477
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated May 31, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated May 31, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:26 pm
PDX
- SAT
1 stop28h 30m
Frontier
Sun 6/148:56 pm
SAT
- PDX
1 stop24h 51m
Frontier
Deal found 5/27![Frontier logo]()
$400
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:20 pm
PDX
- SAT
1 stop23h 36m
Frontier
Fri 6/197:51 pm
SAT
- PDX
1 stop23h 06m
Frontier
Deal found 5/29![Frontier logo]()
$360
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:20 pm
PDX
- SAT
1 stop23h 36m
Frontier
Sun 6/217:51 pm
SAT
- PDX
1 stop23h 06m
Frontier
Deal found 5/29![Frontier logo]()
$380
This Trip.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:26 pm
PDX
- SAT
1 stop28h 30m
Frontier
Sun 6/217:51 pm
SAT
- PDX
1 stop23h 06m
Frontier
Deal found 5/29![Frontier logo]()
$392
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:42 pm
PDX
- SAT
1 stop21h 29m
Frontier
Tue 6/237:51 pm
SAT
- PDX
1 stop22h 44m
Frontier
Deal found 5/29![Frontier logo]()
$340
This CheapOair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:42 pm
PDX
- SAT
1 stop21h 29m
Frontier
Sun 6/287:51 pm
SAT
- PDX
1 stop23h 06m
Frontier
Deal found 5/27![Frontier logo]()
$359
This CheapOair deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:42 pm
PDX
- SAT
1 stop21h 29m
Frontier
Thu 7/27:51 pm
SAT
- PDX
1 stop23h 06m
Frontier
Deal found 5/26![Frontier logo]()
$379
This Gotogate deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
PDX
- SAT
1 stop23h 36m
Frontier
Thu 6/258:56 pm
SAT
- PDX
1 stop24h 51m
Frontier
Deal found 5/26![Frontier logo]()
$338
This CheapOair deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 pm
PDX
- SAT
1 stop23h 36m
Frontier
Fri 6/267:51 pm
SAT
- PDX
1 stop23h 06m
Frontier
Deal found 5/26![Frontier logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:19 am
PDX
- SAT
1 stop18h 41m
Alaska Airlines
Thu 6/254:44 pm
SAT
- PDX
1 stop8h 46m
Alaska Airlines
Deal found 5/29![Alaska Airlines logo]()
$404
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 May 31, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 31, 2026.
This CheapOair deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:20 pm
PDX
- SAT
1 stop23h 36m
Frontier
Deal found 5/28![Frontier logo]()
$166
This Booking.com deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:26 pm
PDX
- SAT
1 stop28h 22m
Frontier
Deal found 5/28![Frontier logo]()
$176
This Booking.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/228:42 pm
PDX
- SAT
1 stop21h 29m
Frontier
Deal found 5/29![Frontier logo]()
$181
This Booking.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:42 pm
PDX
- SAT
1 stop21h 29m
Frontier
Deal found 5/29![Frontier logo]()
$182
This Mytrip deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:49 pm
PDX
- SAT
1 stop24h 48m
Frontier
Deal found 5/27![Frontier logo]()
$184
This CheapOair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2012:26 pm
PDX
- SAT
1 stop28h 30m
Frontier
Deal found 5/27![Frontier logo]()
$185
This CheapOair deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:49 pm
PDX
- SAT
1 stop23h 48m
Frontier
Deal found 5/29![Frontier logo]()
$186
This Delta deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2912:33 am
PDX
- SAT
1 stop9h 13m
Delta
Deal found 5/28![Delta logo]()
$196
This CheapOair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:19 am
PDX
- SAT
1 stop17h 41m
Alaska Airlines
Deal found 5/27![Alaska Airlines logo]()
$201
This CheapOair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1312:26 pm
PDX
- SAT
1 stop28h 30m
Frontier
Deal found 5/27![Frontier logo]()
$206
This Delta deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2011:40 am
PDX
- SAT
1 stop10h 53m
Delta
Deal found 5/29![Delta logo]()
$209
This Southwest deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:00 am
PDX
- SAT
2 stops8h 50m
Southwest
Deal found 5/28![Southwest logo]()
$214
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 May 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $296 (Delta) |
One-way from | $166 (CheapOair) |
Popular in | June |
Cheapest in | August |
Average price | $456 |
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 May 31, 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
Fri 8/14
4:07 pm-11:57 pm
1 stop5h 50m
San Antonio
Mon 8/17
4:12 pm-10:45 pm
2 stops8h 33m
$385
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Mon 8/10
9:20 am-8:15 pm
2 stops8h 55m
San Antonio
Mon 8/17
11:10 am-7:20 pm
2 stops10h 10m
$408
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Sun 6/7
2:10 pm-12:33 am
1 stop8h 23m
San Antonio
Thu 6/11
6:03 pm-11:18 pm
1 stop7h 15m
$417
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 8/19
12:20 pm-11:56 pm
2 stops9h 36m
San Antonio
Sat 8/22
6:30 am-1:38 pm
1 stop9h 08m
$419
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Mon 8/10
6:20 am-5:10 pm
2 stops8h 50m
San Antonio
Thu 8/20
1:25 pm-9:35 pm
2 stops10h 10m
$427
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 7/14
1:25 pm-11:54 pm
1 stop8h 29m
San Antonio
Fri 7/17
6:03 pm-11:44 pm
1 stop7h 41m
$434
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Thu 7/2
5:00 am-2:30 pm
2 stops7h 30m
San Antonio
Sun 7/5
6:40 pm-1:05 am
2 stops8h 25m
$457
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Wed 7/8
6:30 am-2:53 pm
1 stop6h 23m
San Antonio
Mon 7/13
4:46 pm-11:54 pm
2 stops9h 08m
$476
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Fri 7/10
12:33 am-11:46 am
1 stop9h 13m
San Antonio
Fri 7/17
6:05 pm-11:18 pm
1 stop7h 13m
$477
PortlandSan Antonio
PDX - SAT
PDXSAT
Portland
Tue 6/23
12:35 pm-12:30 am
2 stops9h 55m
San Antonio
Fri 6/26
8:35 pm-12:30 am
1 stop5h 55m
$483
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 May.
| 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 69 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, August is the cheapest month in which you can book a flight from Portland to San Antonio (average of $308). Flying from Portland to San Antonio in June is currently the most expensive (average of $487). 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?
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 May 31, 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.
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 May 31, 2026.
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Top 6 airlines flying from Portland to San Antonio
Discover the top 6 airlines that operate flights from Portland to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$247 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$404 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$404 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$380 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$270 | Average$414 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$300 | Average$437 | FlexibilityNo cancel fee | On-time63% |