$127+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Nov 3 — Nov 101
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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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 October 4, 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 October 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:11 pm -
1 stop7h 38m
Mon 10/268:21 pm -
1 stop16h 46m
Deal found 9/30![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 9/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:11 pm -
1 stop22h 04m
Wed 10/2810:29 pm -
1 stop15h 07m
Deal found 9/30![Frontier logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares 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 10/1![Frontier logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:09 pm -
1 stop22h 50m
Thu 12/310:52 pm -
1 stop15h 32m
Deal found 9/30![Frontier logo]()
$304
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:31 pm -
1 stop7h 03m
Mon 11/28:20 pm -
1 stop16h 47m
Deal found 9/29![Frontier logo]()
$307
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 Cheapflightsfares is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Sun 11/2211:23 am -
1 stop7h 53m
Wed 12/210:52 pm -
1 stop15h 32m
Deal found 10/4![Frontier logo]()
$314
This Frontier deal was found by Cheapflights users on 10/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:31 pm -
1 stop7h 03m
Wed 11/1110:29 pm -
1 stop15h 07m
Deal found 10/4![Frontier logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:25 pm -
1 stop23h 27m
Mon 10/128:21 pm -
1 stop16h 33m
Deal found 9/30![Frontier logo]()
$324
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 October 4, 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 October 4, 2026.
This Southwest deal was found by Cheapflights users on 10/1. 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 12/12:15 pm -
1 stop5h 30m
Mon 12/76:00 am -
1 stop6h 40m
Deal found 10/1![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 am -
1 stop5h 46m
Mon 11/22:20 pm -
2 stops10h 36m
Deal found 9/29![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 9/30. 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 10/305:15 pm -
1 stop5h 15m
Sun 11/17:30 am -
1 stop6h 41m
Deal found 9/30![Delta logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:31 am -
2 stops12h 28m
Tue 11/37:00 am -
1 stop7h 29m
Deal found 9/30![Alaska Airlines logo]()
$517
This Southwest deal was found by Cheapflights users on 9/30. 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 10/294:20 pm -
1 stop7h 05m
Thu 11/55:35 am -
2 stops7h 50m
Deal found 9/30![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 9/30. 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 10/154:10 pm -
1 stop6h 30m
Thu 10/296:40 am -
2 stops9h 40m
Deal found 9/30![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 10/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:38 pm -
2 stops13h 16m
Mon 12/712:51 pm -
2 stops8h 07m
Deal found 10/4![Delta logo]()
$531
This Southwest deal was found by Cheapflights users on 10/2. 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 2/116:40 am -
1 stop10h 25m
Sun 2/146:10 am -
1 stop6h 45m
Deal found 10/2![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:20 am -
1 stop5h 30m
Fri 1/1512:05 pm -
1 stop8h 55m
Deal found 10/4![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 10/2. 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.
Wed 11/254:10 pm -
1 stop5h 30m
Mon 11/309:10 am -
2 stops12h 25m
Deal found 10/2![Southwest logo]()
$514
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated October 4, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated October 4, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:11 pm -
1 stop7h 38m
Thu 10/2910:29 pm -
1 stop15h 07m
Deal found 9/30![Frontier logo]()
$304
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:11 pm -
1 stop7h 38m
Mon 10/268:21 pm -
1 stop16h 46m
Deal found 9/30![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 9/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:11 pm -
1 stop22h 04m
Wed 10/2810:29 pm -
1 stop15h 07m
Deal found 9/30![Frontier logo]()
$258
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 Cheapflightsfares 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 10/1![Frontier logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:31 pm -
1 stop7h 03m
Mon 11/28:20 pm -
1 stop16h 47m
Deal found 9/29![Frontier logo]()
$307
This Frontier deal was found by Cheapflights users on 10/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:31 pm -
1 stop7h 03m
Wed 11/1110:29 pm -
1 stop15h 07m
Deal found 10/4![Frontier logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:10 pm -
1 stop21h 06m
Mon 11/2310:11 pm -
1 stop21h 23m
Deal found 10/4![Frontier logo]()
$306
This Cheapflightsfares deal was found by Cheapflights users on 10/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:23 am -
1 stop7h 53m
Wed 12/210:52 pm -
1 stop15h 32m
Deal found 10/4![Frontier logo]()
$314
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 October 4, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated October 4, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:11 pm -
1 stop7h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:09 pm -
1 stop24h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$133
This Southwest deal was found by Cheapflights users on 10/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:15 pm -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Southwest logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:25 pm -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$162
This Expedia deal was found by Cheapflights users on 10/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:10 pm -
1 stop15h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$165
This Priceline deal was found by Cheapflights users on 10/1. 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.
Thu 1/2110:59 pm -
1 stop10h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$175
This Delta deal was found by Cheapflights users on 9/30. 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.
Mon 10/265:15 pm -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$179
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Mon 11/210:59 am -
2 stops9h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$184
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 October 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (Cheapflightsfares) |
One-way from | $127 (Cheapflightsfares) |
Popular in | July |
Cheapest in | February |
Average price | $408 |
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 October 4, 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 Portland - SAT San Antonio
PDXSAT
Portland
Mon 10/26
5:15 pm-12:30 am
1 stop5h 15m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Sat 10/31
12:58 pm-10:51 pm
1 stop7h 53m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$234
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 1/8
6:30 am-2:39 pm
1 stop6h 09m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$234
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Fri 11/6
1:25 pm-11:55 pm
2 stops8h 30m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Mon 11/2
10:59 am-10:51 pm
2 stops9h 52m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Wed 10/28
10:45 am-9:40 pm
2 stops8h 55m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Thu 12/3
7:00 am-10:59 pm
3 stops13h 59m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$249
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Mon 3/29
5:15 am-3:10 pm
2 stops7h 55m
San Antonio
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$269
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Tue 12/1
2:15 pm-9:45 pm
1 stop5h 30m
San Antonio
Mon 12/7
6:00 am-10:40 am
1 stop6h 40m
$357
PortlandSan Antonio
PDX Portland - SAT San Antonio
PDXSAT
Portland
Thu 10/29
4:20 pm-1:25 am
1 stop7h 05m
San Antonio
Thu 11/5
5:35 am-11:25 am
2 stops7h 50m
$362
Showing 1-10 of 18 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 October.
| 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 $369 and $478 in October.The cheapest round-trip price found within the last 5 days was $254 on Frontier (Oct 22-Oct 26).
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 October 4, 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.
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Entertainment
7.5
Comfort
8.0
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Portland to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Portland and San Antonio flights
Browse other Portland and San Antonio flight options. Last updated on October 4, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 4, 2026.
Top 6 airlines flying from Portland to San Antonio
Discover the top 6 airlines that operate flights from Portland to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$330 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$237 | Average$457 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$406 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$276 | Average$440 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$305 | Average$463 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$330 | Average$439 | FlexibilityNo cancel fee | On-time63% |