$106+ Cheap flights from Portland to Austin (PDX - AUS)
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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — AUS
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Austin 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.Cheapflights Tip: The best prices from Portland to Austin Bergstrom are usually found in January or February, booked 76 days in advance, depart on a Saturday or Wednesday and return on a Tuesday
Cheap flight deals from Portland to Austin
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to AustinExplore the most affordable flight options available from Portland to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Portland to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:13 pm -
1 stop6h 46m
Tue 10/135:30 am -
1 stop6h 06m
Deal found 9/9![United Airlines logo]()
$259
This Southwest deal was found by Cheapflights users on 9/7. 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 11/76:45 am -
2 stops8h 25m
Sat 11/147:20 am -
1 stop6h 10m
Deal found 9/7![Southwest logo]()
$260
This Southwest deal was found by Cheapflights users on 9/8. 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 10/205:30 am -
2 stops8h 20m
Tue 10/274:55 pm -
1 stop8h 15m
Deal found 9/8![Southwest logo]()
$264
This CheapOair deal was found by Cheapflights users on 9/6. 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 10/512:39 pm -
1 stop23h 58m
Wed 10/141:12 pm -
1 stop24h 14m
Deal found 9/6![Frontier logo]()
$266
This Southwest deal was found by Cheapflights users on 9/8. 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 9/226:55 am -
1 stop8h 20m
Tue 9/295:55 pm -
1 stop6h 05m
Deal found 9/8![Southwest logo]()
$273
This Delta deal was found by Cheapflights users on 9/8. 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 10/1611:12 pm -
1 stop9h 58m
Wed 10/214:25 pm -
1 stop7h 54m
Deal found 9/8![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 9/7. 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 10/303:31 pm -
1 stop6h 19m
Tue 11/36:00 am -
1 stop7h 49m
Deal found 9/7![Delta logo]()
$280
This Southwest deal was found by Cheapflights users on 9/7. 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 10/285:30 am -
1 stop7h 10m
Sun 11/17:35 pm -
2 stops7h 45m
Deal found 9/7![Southwest logo]()
$283
This Priceline deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:49 am -
1 stop5h 37m
Tue 10/276:00 am -
1 stop9h 50m
Deal found 9/7![Multiple Airlines logo]()
$287
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:25 pm -
1 stop21h 52m
Sat 10/248:21 pm -
1 stop16h 33m
Deal found 9/5![Frontier logo]()
$291
Best flights from Portland to AustinDiscover carefully curated flight deals from Portland to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Portland to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:00 am -
1 stop5h 55m
Tue 10/2710:45 am -
2 stops9h 35m
Deal found 9/8![United Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:30 am -
1 stop6h 00m
Tue 12/14:05 pm -
1 stop6h 52m
Deal found 9/8![Delta logo]()
$288
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:00 am -
1 stop8h 00m
Sun 11/85:40 am -
1 stop6h 05m
Deal found 9/6![Southwest logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:54 pm -
Nonstop4h 05m
Sat 10/245:52 pm -
Nonstop4h 16m
Deal found 9/5![Alaska Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 9/7. 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 10/75:45 am -
2 stops9h 10m
Tue 10/136:05 pm -
1 stop7h 35m
Deal found 9/7![Southwest logo]()
$321
This Southwest deal was found by Cheapflights users on 9/9. 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 10/213:50 pm -
1 stop5h 30m
Mon 10/264:55 pm -
2 stops8h 35m
Deal found 9/9![Southwest logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 10/15:48 pm -
Nonstop4h 11m
Mon 10/57:59 pm -
1 stop19h 51m
Deal found 9/9![Alaska Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 9/8. 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 10/85:30 am -
2 stops9h 30m
Mon 10/128:30 pm -
1 stop6h 55m
Deal found 9/8![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 9/8. 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 11/245:10 am -
2 stops7h 25m
Tue 12/112:55 pm -
2 stops12h 25m
Deal found 9/8![Southwest logo]()
$412
Last-minute flights from Portland to AustinDiscover last-minute flight deals from Portland to Austin. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Austin. Data last updated September 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/8. 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 9/226:55 am -
1 stop8h 20m
Tue 9/295:55 pm -
1 stop6h 05m
Deal found 9/8![Southwest logo]()
$273
This CheapOair deal was found by Cheapflights users on 9/6. 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 10/512:39 pm -
1 stop23h 58m
Wed 10/141:12 pm -
1 stop24h 14m
Deal found 9/6![Frontier logo]()
$266
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:13 pm -
1 stop6h 46m
Tue 10/135:30 am -
1 stop6h 06m
Deal found 9/9![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 9/8. 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 10/1611:12 pm -
1 stop9h 58m
Wed 10/214:25 pm -
1 stop7h 54m
Deal found 9/8![Delta logo]()
$278
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1612:25 pm -
1 stop21h 52m
Sat 10/248:21 pm -
1 stop16h 33m
Deal found 9/5![Frontier logo]()
$291
This Southwest deal was found by Cheapflights users on 9/8. 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 10/205:30 am -
2 stops8h 20m
Tue 10/274:55 pm -
1 stop8h 15m
Deal found 9/8![Southwest logo]()
$264
This Priceline deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:49 am -
1 stop5h 37m
Tue 10/276:00 am -
1 stop9h 50m
Deal found 9/7![Multiple Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 9/7. 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 10/285:30 am -
1 stop7h 10m
Sun 11/17:35 pm -
2 stops7h 45m
Deal found 9/7![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 9/6. 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 10/2911:35 pm -
1 stop7h 45m
Wed 11/45:10 pm -
1 stop6h 15m
Deal found 9/6![Southwest logo]()
$292
This Delta deal was found by Cheapflights users on 9/7. 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 10/303:31 pm -
1 stop6h 19m
Tue 11/36:00 am -
1 stop7h 49m
Deal found 9/7![Delta logo]()
$280
One-way flights from Portland to AustinSearch for one-way flight options from Portland to Austin. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Portland to Austin. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Expedia deal was found by Cheapflights users on 9/8. 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 10/1912:25 pm -
1 stop21h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:49 am -
1 stop5h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:31 pm -
1 stop21h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$125
This Delta deal was found by Cheapflights users on 9/10. 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 11/121:05 pm -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$130
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:39 pm -
1 stop23h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$134
This Southwest deal was found by Cheapflights users on 9/7. 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 10/65:30 am -
2 stops8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$135
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:24 pm -
1 stop20h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:24 pm -
1 stop20h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$143
This Southwest deal was found by Cheapflights users on 9/7. 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.
Fri 9/253:25 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$144
This Southwest deal was found by Cheapflights users on 9/7. 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.
Fri 10/23:30 pm -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$149
Find flight deals from Portland to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Delta) |
One-way from | $106 (Expedia) |
Popular in | August |
Cheapest in | January |
Average price | $357 |
Good round-trip deal | $337 or less |
Good one-way deal | $238 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Portland to Austin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Sun 11/22
12:45 am-10:11 am
1 stop7h 26m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$130
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Tue 10/6
5:00 am-12:55 pm
1 stop5h 55m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$130
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Mon 11/2
11:00 pm-10:00 am
1 stop9h 00m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$130
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Thu 11/12
1:05 pm-11:55 pm
1 stop8h 50m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$130
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Wed 10/28
5:45 am-3:25 pm
2 stops7h 40m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$135
Quickest round-trip
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Fri 9/25
3:25 pm-11:15 pm
1 stop5h 50m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$144
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Tue 10/20
5:30 am-3:50 pm
2 stops8h 20m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$154
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Mon 10/19
5:48 pm-3:54 pm
2 stops20h 06m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$168
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Tue 9/15
12:30 pm-10:05 pm
1 stop7h 35m
Austin Bergstrom
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
PortlandAustin
PDX Portland - AUS Austin Bergstrom
PDXAUS
Portland
Sat 10/24
5:00 am-12:55 pm
1 stop5h 55m
Austin Bergstrom
Tue 10/27
10:45 am-6:20 pm
2 stops9h 35m
$264
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Portland to Austin
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 Austin in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Portland-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-Austin 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-Austin 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 Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Portland with our price prediction graph.
PDX-AUS
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 Austin
Prices
More
How far ahead should I book a flight from Portland to Austin?
The best time to book flights from Portland to Austin is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Portland to Austin?
Currently, January is the cheapest month in which you can book a flight from Portland to Austin (average of $273). Flying from Portland to Austin in August is currently the most expensive (average of $403). 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.
What is the cheapest time of day to fly from PDX to AUS?
Find hourly flight availability from Portland to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 10, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 43% on flights from Portland to Austin by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Portland to Austin?
Use this chart to determine the cheapest time to fly round-trip from Portland to Austin. Price data was last updated on September 5, 2026.
Travelers seeking maximum savings on their Portland to Austin flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
What’s the top layover airport for flights from Portland to Austin?
Share of 1-stop round-trip flights from Portland to Austin chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 50% of 1-stop itineraries from Portland to Austin on Cheapflights.
What’s the cheapest layover airport for flights from Portland to Austin?
Average round-trip fare for 1-stop flights from Portland to Austin, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of $197.
What’s the fastest layover option from Portland to Austin?
Shortest average travel time for 1-stop one-way flights from Portland to Austin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 5h 40m.
Which airport typically offers the quickest layover for flights from Portland to Austin?
Average layover duration for 1-stop one-way flights from Portland to Austin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Seattle (SEA) offer the fastest connection on this route, with an average layover time of 0h 43m.
Reviews of airlines servicing Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated September 10, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Portland to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
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 Austin. 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 Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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Other flights to Austin
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Top 7 airlines flying from Portland to Austin
Discover the top 7 airlines that operate flights from Portland to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$242 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$267 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$364 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$200 | Average$351 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$206 | Average$362 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$246 | Average$390 | FlexibilityNo cancel fee | On-time71% |