$190+ Cheap flights from Portland, ME to Austin (PWM - AUS)
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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — AUS
Jun 27 — Jul 41
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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.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 May 28, 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 May 28, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:11 pm
PWM
- AUS
1 stop19h 49m
Multiple Airlines
Mon 7/1310:50 am
AUS
- PWM
1 stop26h 41m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$368
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:49 am
PWM
- AUS
1 stop6h 25m
United Airlines
Wed 9/25:04 pm
AUS
- PWM
1 stop5h 55m
United Airlines
Deal found 5/27![United Airlines logo]()
$383
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.
Wed 8/265:45 am
PWM
- AUS
2 stops9h 20m
Southwest
Wed 9/210:10 am
AUS
- PWM
2 stops10h 00m
Southwest
Deal found 5/26![Southwest logo]()
$393
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:55 pm
PWM
- AUS
2 stops8h 45m
American Airlines
Wed 10/284:02 pm
AUS
- PWM
1 stop5h 43m
American Airlines
Deal found 5/27![American Airlines logo]()
$398
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:11 pm
PWM
- AUS
1 stop19h 49m
Multiple Airlines
Mon 7/2010:50 am
AUS
- PWM
1 stop26h 41m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$400
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.
Thu 10/86:30 am
PWM
- AUS
1 stop7h 05m
Southwest
Tue 10/137:05 am
AUS
- PWM
1 stop6h 50m
Southwest
Deal found 5/26![Southwest logo]()
$402
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:01 am
PWM
- AUS
1 stop7h 00m
American Airlines
Sat 10/3112:04 pm
AUS
- PWM
1 stop6h 12m
American Airlines
Deal found 5/27![American Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 5/24. 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 9/306:05 am
PWM
- AUS
1 stop5h 58m
Delta
Wed 10/72:45 pm
AUS
- PWM
1 stop6h 38m
Delta
Deal found 5/24![Delta logo]()
$405
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:00 am
PWM
- AUS
1 stop7h 42m
American Airlines
Mon 9/286:00 am
AUS
- PWM
2 stops8h 51m
American Airlines
Deal found 5/27![American Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 5/24. 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 10/1410:25 am
PWM
- AUS
2 stops9h 50m
Southwest
Tue 10/206:25 am
AUS
- PWM
1 stop5h 25m
Southwest
Deal found 5/24![Southwest logo]()
$410
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 May 28, 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 May 28, 2026.
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:20 am
PWM
- AUS
2 stops9h 20m
Southwest
Thu 11/57:35 am
AUS
- PWM
2 stops7h 55m
Southwest
Deal found 5/27![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am
PWM
- AUS
1 stop7h 00m
United Airlines
Mon 9/2812:43 pm
AUS
- PWM
1 stop8h 03m
United Airlines
Deal found 5/24![United Airlines logo]()
$421
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am
PWM
- AUS
1 stop7h 46m
Delta
Sun 10/185:30 am
AUS
- PWM
1 stop5h 23m
Delta
Deal found 5/26![Delta logo]()
$435
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:30 am
PWM
- AUS
1 stop7h 09m
Delta
Mon 10/192:45 pm
AUS
- PWM
1 stop6h 38m
Delta
Deal found 5/26![Delta logo]()
$435
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:15 am
PWM
- AUS
2 stops8h 59m
United Airlines
Mon 10/265:16 pm
AUS
- PWM
1 stop5h 43m
United Airlines
Deal found 5/24![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 5/25. 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 8/236:05 am
PWM
- AUS
1 stop5h 55m
Delta
Wed 8/266:25 am
AUS
- PWM
1 stop5h 42m
Delta
Deal found 5/25![Delta logo]()
$436
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 6/235:30 am
PWM
- AUS
2 stops7h 30m
Southwest
Tue 6/301:10 pm
AUS
- PWM
2 stops7h 20m
Southwest
Deal found 5/26![Southwest logo]()
$483
This Delta deal was found by Cheapflights users on 5/25. 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 10/81:35 pm
PWM
- AUS
1 stop9h 47m
Delta
Tue 10/133:35 pm
AUS
- PWM
1 stop7h 14m
Delta
Deal found 5/25![Delta logo]()
$436
This United Airlines deal was found by Cheapflights users on 5/25. 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 9/295:15 am
PWM
- AUS
1 stop6h 53m
United Airlines
Sat 10/36:40 am
AUS
- PWM
1 stop6h 58m
United Airlines
Deal found 5/25![United Airlines logo]()
$493
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:30 am
PWM
- AUS
2 stops9h 01m
United Airlines
Wed 11/186:30 am
AUS
- PWM
1 stop8h 39m
United Airlines
Deal found 5/26![United Airlines logo]()
$498
Last-minute flights from Portland to AustinDiscover last-minute flight deals from Portland to Austin. Data last updated May 28, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Austin. Data last updated May 28, 2026 and is based on user searches.
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:19 pm
PWM
- AUS
1 stop10h 29m
American Airlines
Wed 6/1012:11 pm
AUS
- PWM
1 stop8h 35m
American Airlines
Deal found 5/27![American Airlines logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:11 pm
PWM
- AUS
1 stop19h 53m
Multiple Airlines
Sun 6/76:00 pm
AUS
- PWM
1 stop14h 12m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$464
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
PWM
- AUS
1 stop8h 39m
Delta
Tue 6/163:45 pm
AUS
- PWM
1 stop8h 07m
Delta
Deal found 5/26![Delta logo]()
$485
This American Airlines deal was found by Cheapflights users on 5/24. 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.
Tue 6/92:24 pm
PWM
- AUS
1 stop7h 54m
American Airlines
Tue 6/1612:56 pm
AUS
- PWM
1 stop8h 50m
American Airlines
Deal found 5/24![American Airlines logo]()
$496
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/113:11 pm
PWM
- AUS
1 stop19h 53m
Multiple Airlines
Mon 6/1510:54 am
AUS
- PWM
1 stop26h 37m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 5/23. 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.
Sun 6/213:11 pm
PWM
- AUS
1 stop19h 53m
Multiple Airlines
Sun 6/287:32 pm
AUS
- PWM
1 stop12h 40m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$559
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:00 am
PWM
- AUS
1 stop7h 26m
Delta
Tue 6/301:31 pm
AUS
- PWM
1 stop8h 34m
Delta
Deal found 5/26![Delta logo]()
$383
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/232:24 pm
PWM
- AUS
1 stop9h 21m
American Airlines
Tue 6/306:14 am
AUS
- PWM
1 stop6h 29m
American Airlines
Deal found 5/26![American Airlines logo]()
$403
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 6/235:30 am
PWM
- AUS
1 stop6h 05m
Southwest
Tue 6/301:10 pm
AUS
- PWM
2 stops7h 20m
Southwest
Deal found 5/26![Southwest logo]()
$478
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 May 28, 2026.
Search for one-way flight options from Portland to Austin. Find affordable one-way fares based on user searches. Data last updated May 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 am
PWM
- AUS
1 stop10h 59m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$190
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/232:24 pm
PWM
- AUS
1 stop9h 21m
American Airlines
Deal found 5/26![American Airlines logo]()
$192
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:05 am
PWM
- AUS
1 stop5h 55m
Delta
Deal found 5/26![Delta logo]()
$202
This American Airlines deal was found by Cheapflights users on 5/25. 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.
Tue 7/287:16 am
PWM
- AUS
1 stop5h 59m
American Airlines
Deal found 5/25![American Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 5/25. 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 7/285:30 am
PWM
- AUS
2 stops7h 30m
Southwest
Deal found 5/25![Southwest logo]()
$208
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:15 am
PWM
- AUS
2 stops8h 57m
United Airlines
Deal found 5/26![United Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:11 pm
PWM
- AUS
1 stop19h 53m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 5/24. 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 6/276:00 am
PWM
- AUS
1 stop6h 59m
United Airlines
Deal found 5/24![United Airlines logo]()
$234
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:40 am
PWM
- AUS
2 stops7h 30m
Southwest
Deal found 5/27![Southwest logo]()
$239
This American Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 am
PWM
- AUS
1 stop7h 05m
American Airlines
Deal found 5/23![American Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Sun 7/263:11 pm
PWM
- AUS
1 stop19h 49m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$245
Find flight deals from Portland to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 May 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (Kiwi.com) |
One-way from | $190 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $535 |
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 2,558,603 searches. Data last updated May 28, 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
PWM - AUS
PWMAUS
Portland
Mon 11/2
5:20 am-1:40 pm
2 stops9h 20m
Austin Bergstrom
Thu 11/5
7:35 am-4:30 pm
2 stops7h 55m
$413
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 9/24
6:00 am-12:00 pm
1 stop7h 00m
Austin Bergstrom
Mon 9/28
12:43 pm-9:46 pm
1 stop8h 03m
$421
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 10/15
6:00 am-12:46 pm
1 stop7h 46m
Austin Bergstrom
Sun 10/18
5:30 am-11:53 am
1 stop5h 23m
$435
PortlandAustin
PWM - AUS
PWMAUS
Portland
Fri 10/16
11:30 am-5:39 pm
1 stop7h 09m
Austin Bergstrom
Mon 10/19
2:45 pm-10:23 pm
1 stop6h 38m
$435
Quickest round-trip
PortlandAustin
PWM - AUS
PWMAUS
Portland
Sun 8/23
6:05 am-11:00 am
1 stop5h 55m
Austin Bergstrom
Wed 8/26
6:25 am-1:07 pm
1 stop5h 42m
$436
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 10/8
1:35 pm-10:22 pm
1 stop9h 47m
Austin Bergstrom
Tue 10/13
3:35 pm-11:49 pm
1 stop7h 14m
$436
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 10/22
5:15 am-1:14 pm
2 stops8h 59m
Austin Bergstrom
Mon 10/26
5:16 pm-11:59 pm
1 stop5h 43m
$469
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 6/23
5:30 am-12:00 pm
2 stops7h 30m
Austin Bergstrom
Tue 6/30
1:10 pm-9:30 pm
2 stops7h 20m
$483
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 9/29
5:15 am-11:08 am
1 stop6h 53m
Austin Bergstrom
Sat 10/3
6:40 am-2:38 pm
1 stop6h 58m
$493
PortlandAustin
PWM - AUS
PWMAUS
Portland
Sat 11/14
5:30 am-1:31 pm
2 stops9h 01m
Austin Bergstrom
Wed 11/18
6:30 am-4:09 pm
1 stop8h 39m
$498
Showing 1-10 of 19 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 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, Maine-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Austin flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-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, Maine-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.
PWM-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
How far ahead should I book a flight from Portland, Maine to Austin?
The price you pay for your flight from Portland, Maine to Austin may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Portland, Maine to Austin?
Currently, August is the cheapest month in which you can book a flight from Portland, Maine to Austin (average of $336). Flying from Portland, Maine to Austin in December is currently the most expensive (average of $573). 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, Maine to Austin?
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 May 28, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Portland to Austin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Overall
7.9
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Pflugerville
Fredericksburg
Dripping Springs
Georgetown
Seguin
Canyon Lake
Horseshoe Bay
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Austin flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Portland
Popular flights
Alternative routes for Portland to Austin
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Austin
Explore flights to Austin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 28, 2026.
Complete your trip
Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to Austin by cabin class
Find flights from Portland to Austin, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and Austin flights
Browse other Portland and Austin flight options. Last updated on May 28, 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 May 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Portland to Austin
Discover the top 4 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 2,558,603 searches. Data last updated May 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$478 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$416 | FlexibilityNo cancel fee | On-time69% |