$174+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — AUS
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Portland to Austin with Cheapflights
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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 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 July 1, 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 July 1, 2026.
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 8/612:47 pm
PWM
- AUS
1 stop7h 09m
Delta
Mon 8/101:34 pm
AUS
- PWM
1 stop8h 39m
Delta
Deal found 6/28![Delta logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am
PWM
- AUS
1 stop8h 55m
American Airlines
Wed 11/181:54 pm
AUS
- PWM
2 stops8h 44m
American Airlines
Deal found 6/28![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:35 pm
PWM
- AUS
1 stop8h 07m
Delta
Wed 11/188:00 am
AUS
- PWM
1 stop7h 10m
Delta
Deal found 7/1![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/66:00 am
PWM
- AUS
2 stops9h 41m
United Airlines
Mon 8/107:30 am
AUS
- PWM
1 stop6h 04m
United Airlines
Deal found 6/27![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:30 am
PWM
- AUS
1 stop9h 19m
American Airlines
Mon 8/172:10 pm
AUS
- PWM
1 stop8h 27m
American Airlines
Deal found 7/1![American Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am
PWM
- AUS
2 stops9h 24m
American Airlines
Thu 9/174:19 pm
AUS
- PWM
1 stop6h 17m
American Airlines
Deal found 6/30![American Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:28 am
PWM
- AUS
1 stop9h 13m
American Airlines
Mon 8/1010:33 am
AUS
- PWM
1 stop7h 19m
American Airlines
Deal found 6/30![American Airlines logo]()
$381
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 July 1, 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 July 1, 2026.
This Delta deal was found by Cheapflights users on 6/28. 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.
Sat 11/141:35 pm
PWM
- AUS
1 stop8h 07m
Delta
Wed 11/188:00 am
AUS
- PWM
1 stop7h 10m
Delta
Deal found 6/28![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Thu 8/205:03 pm
PWM
- AUS
1 stop7h 02m
United Airlines
Mon 8/241:00 pm
AUS
- PWM
1 stop7h 23m
United Airlines
Deal found 6/29![United Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 10/294:04 pm
PWM
- AUS
1 stop8h 38m
American Airlines
Sat 10/318:00 am
AUS
- PWM
2 stops7h 36m
American Airlines
Deal found 6/26![American Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 6/30. 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 8/2010:30 am
PWM
- AUS
2 stops9h 20m
Southwest
Mon 8/241:00 pm
AUS
- PWM
2 stops8h 25m
Southwest
Deal found 6/30![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 10/294:45 pm
PWM
- AUS
1 stop6h 23m
Delta
Sat 10/3111:15 am
AUS
- PWM
1 stop8h 46m
Delta
Deal found 6/28![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/66:00 am
PWM
- AUS
2 stops9h 41m
United Airlines
Mon 8/107:30 am
AUS
- PWM
1 stop6h 04m
United Airlines
Deal found 6/27![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:25 am
PWM
- AUS
2 stops9h 50m
Southwest
Tue 10/1312:40 pm
AUS
- PWM
2 stops8h 50m
Southwest
Deal found 6/29![Southwest logo]()
$397
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:05 am
PWM
- AUS
1 stop8h 46m
Delta
Mon 8/175:20 am
AUS
- PWM
1 stop5h 42m
Delta
Deal found 7/1![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 6/30. 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.
Tue 9/156:00 am
PWM
- AUS
1 stop7h 30m
Delta
Thu 9/171:35 pm
AUS
- PWM
1 stop8h 55m
Delta
Deal found 6/30![Delta logo]()
$372
This Southwest deal was found by Cheapflights users on 6/26. 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.
Fri 9/42:10 pm
PWM
- AUS
2 stops8h 15m
Southwest
Wed 9/91:30 pm
AUS
- PWM
1 stop7h 35m
Southwest
Deal found 6/26![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 7/1. 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 8/115:45 am
PWM
- AUS
1 stop6h 45m
Southwest
Tue 8/1812:55 pm
AUS
- PWM
2 stops7h 15m
Southwest
Deal found 7/1![Southwest logo]()
$430
Last-minute flights from Portland to AustinDiscover last-minute flight deals from Portland to Austin. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Austin. Data last updated July 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/30. 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.
Wed 7/296:00 am
PWM
- AUS
1 stop7h 25m
Delta
Wed 8/53:46 pm
AUS
- PWM
1 stop8h 13m
Delta
Deal found 6/30![Delta logo]()
$363
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 7/295:15 am
PWM
- AUS
1 stop6h 41m
United Airlines
Wed 8/52:18 pm
AUS
- PWM
2 stops8h 33m
United Airlines
Deal found 6/30![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 6/28. 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.
Thu 8/612:47 pm
PWM
- AUS
1 stop7h 09m
Delta
Mon 8/101:34 pm
AUS
- PWM
1 stop8h 39m
Delta
Deal found 6/28![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 6/27. 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.
Thu 8/66:00 am
PWM
- AUS
2 stops9h 41m
United Airlines
Mon 8/107:30 am
AUS
- PWM
1 stop6h 04m
United Airlines
Deal found 6/27![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:28 am
PWM
- AUS
1 stop9h 13m
American Airlines
Mon 8/1010:33 am
AUS
- PWM
1 stop7h 19m
American Airlines
Deal found 6/30![American Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/73:06 pm
PWM
- AUS
1 stop9h 06m
American Airlines
Mon 8/1012:13 pm
AUS
- PWM
1 stop8h 08m
American Airlines
Deal found 6/29![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 7/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:30 am
PWM
- AUS
1 stop9h 19m
American Airlines
Mon 8/172:10 pm
AUS
- PWM
1 stop8h 27m
American Airlines
Deal found 7/1![American Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 7/1. 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 8/115:45 am
PWM
- AUS
1 stop6h 45m
Southwest
Tue 8/1812:55 pm
AUS
- PWM
2 stops7h 15m
Southwest
Deal found 7/1![Southwest logo]()
$430
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:00 am
PWM
- AUS
1 stop7h 47m
American Airlines
Mon 8/245:00 am
AUS
- PWM
2 stops8h 21m
American Airlines
Deal found 6/29![American Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 6/30. 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 8/2010:30 am
PWM
- AUS
2 stops9h 20m
Southwest
Mon 8/241:00 pm
AUS
- PWM
2 stops8h 25m
Southwest
Deal found 6/30![Southwest logo]()
$391
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 July 1, 2026.
Search for one-way flight options from Portland to Austin. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 9/124:57 pm
PWM
- AUS
1 stop6h 48m
United Airlines
Deal found 6/29![United Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:40 am
PWM
- AUS
2 stops9h 45m
Southwest
Deal found 6/29![Southwest logo]()
$179
This Delta deal was found by Cheapflights users on 6/30. 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.
Sat 7/256:59 pm
PWM
- AUS
1 stop6h 19m
Delta
Deal found 6/30![Delta logo]()
$182
This United Airlines deal was found by Cheapflights users on 6/27. 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 7/295:15 am
PWM
- AUS
2 stops8h 57m
United Airlines
Deal found 6/27![United Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 6/30. 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.
Thu 8/136:05 am
PWM
- AUS
1 stop5h 55m
Delta
Deal found 6/30![Delta logo]()
$191
This Southwest deal was found by Cheapflights users on 6/30. 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 8/135:55 am
PWM
- AUS
2 stops7h 45m
Southwest
Deal found 6/30![Southwest logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:00 am
PWM
- AUS
2 stops30h 38m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:00 am
PWM
- AUS
1 stop10h 59m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 7/308:22 pm
PWM
- AUS
2 stops41h 16m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:29 pm
PWM
- AUS
3 stops23h 10m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$216
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $347 (Delta) |
One-way from | $174 (United Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $460 |
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 July 1, 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
Sat 11/14
1:35 pm-8:42 pm
1 stop8h 07m
Austin Bergstrom
Wed 11/18
8:00 am-4:10 pm
1 stop7h 10m
$347
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 8/20
5:03 pm-11:05 pm
1 stop7h 02m
Austin Bergstrom
Mon 8/24
1:00 pm-9:23 pm
1 stop7h 23m
$347
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 10/29
4:45 pm-10:08 pm
1 stop6h 23m
Austin Bergstrom
Sat 10/31
11:15 am-9:01 pm
1 stop8h 46m
$347
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 10/29
4:04 pm-11:42 pm
1 stop8h 38m
Austin Bergstrom
Sat 10/31
8:00 am-4:36 pm
2 stops7h 36m
$352
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 8/6
6:00 am-2:41 pm
2 stops9h 41m
Austin Bergstrom
Mon 8/10
7:30 am-2:34 pm
1 stop6h 04m
$369
PortlandAustin
PWM - AUS
PWMAUS
Portland
Wed 8/12
6:05 am-1:51 pm
1 stop8h 46m
Austin Bergstrom
Mon 8/17
5:20 am-12:02 pm
1 stop5h 42m
$372
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 9/15
6:00 am-12:30 pm
1 stop7h 30m
Austin Bergstrom
Thu 9/17
1:35 pm-11:30 pm
1 stop8h 55m
$372
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 8/20
10:30 am-6:50 pm
2 stops9h 20m
Austin Bergstrom
Mon 8/24
1:00 pm-10:25 pm
2 stops8h 25m
$391
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 10/6
10:25 am-7:15 pm
2 stops9h 50m
Austin Bergstrom
Tue 10/13
12:40 pm-10:30 pm
2 stops8h 50m
$397
PortlandAustin
PWM - AUS
PWMAUS
Portland
Fri 9/4
2:10 pm-9:25 pm
2 stops8h 15m
Austin Bergstrom
Wed 9/9
1:30 pm-10:05 pm
1 stop7h 35m
$412
Showing 1-10 of 21 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 July.
| 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
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 $388). Flying from Portland, Maine to Austin in December is currently the most expensive (average of $608). 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 July 1, 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.
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
7.9
Entertainment
7.5
Boarding
8.1
Comfort
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 locationsRound Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake
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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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$285 | Average$446 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$337 | Average$501 | FlexibilityNo cancel fee | On-time63% |