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$150+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — AUS
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Austin Bergstrom are usually found in August or January, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap 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 septiembre 17, 2025.

Round-trip from

$290
(Kiwi.com)

One-way from

$150
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$421
From Portland to Austin Bergstrom
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One-way flight from Portland to Austin Bergstrom
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Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Portland to Austin

Cheapest flights from Portland to Austin
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 septiembre 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
jue. 10/233:15 pmPWM - AUS
2 stops20h 10mMultiple Airlines
dom. 10/2611:24 amAUS - PWM
1 stop20h 42mMultiple Airlines
Deal found 9/15$290
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
mié. 11/1211:16 amPWM - AUS
1 stop23h 14mMultiple Airlines
mié. 11/191:41 pmAUS - PWM
2 stops23h 49mMultiple Airlines
Deal found 9/14$311
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
vie. 10/242:36 pmPWM - AUS
2 stops23h 13mMultiple Airlines
dom. 10/2611:24 amAUS - PWM
1 stop20h 42mMultiple Airlines
Deal found 9/15$317
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
mié. 10/157:37 pmPWM - AUS
2 stops22h 22mMultiple Airlines
vie. 10/179:56 amAUS - PWM
1 stop23h 40mMultiple Airlines
Deal found 9/17$325
This Southwest deal was found by Cheapflights users on 9/14. 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.
mié. 11/1212:45 pmPWM - AUS
2 stops9h 55mSouthwest
mié. 11/195:30 amAUS - PWM
2 stops8h 25mSouthwest
Deal found 9/14$327
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
vie. 10/242:36 pmPWM - AUS
2 stops44h 53mMultiple Airlines
dom. 11/212:27 pmAUS - PWM
1 stop19h 39mMultiple Airlines
Deal found 9/15$336
This American Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 10/275:59 pmPWM - AUS
1 stop7h 22mAmerican Airlines
mié. 10/292:56 pmAUS - PWM
1 stop6h 14mAmerican Airlines
Deal found 9/15$338
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
jue. 11/133:15 pmPWM - AUS
2 stops32h 32mMultiple Airlines
dom. 11/168:48 pmAUS - PWM
1 stop11h 18mMultiple Airlines
Deal found 9/16$347
This American Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 10/156:00 amPWM - AUS
1 stop6h 03mAmerican Airlines
mar. 10/217:10 amAUS - PWM
1 stop7h 25mAmerican Airlines
Deal found 9/16$348
This United Airlines deal was found by Cheapflights users on 9/16. 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.
mié. 10/1510:40 amPWM - AUS
1 stop6h 18mUnited Airlines
mar. 10/212:15 pmAUS - PWM
2 stops8h 44mUnited Airlines
Deal found 9/16$352

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 septiembre 17, 2025.
Use the filters below to find and compare flights from Portland to Austin that are best for you.

Fly from

Portland

Fly to

Austin

Route

Depart

Return

Price

PortlandAustin

PWM - AUS

PWMAUS

Portland

mié. 11/12

12:45 pm-9:40 pm

2 stops9h 55m

Austin Bergstrom

mié. 11/19

5:30 am-2:55 pm

2 stops8h 25m

$327

PortlandAustin

PWM - AUS

PWMAUS

Portland

lun. 10/27

5:59 pm-12:21 am

1 stop7h 22m

Austin Bergstrom

mié. 10/29

2:56 pm-10:10 pm

1 stop6h 14m

$338

PortlandAustin

PWM - AUS

PWMAUS

Portland

jue. 11/13

3:15 pm-10:47 pm

2 stops32h 32m

Austin Bergstrom

dom. 11/16

8:48 pm-9:06 am

1 stop11h 18m

$347

PortlandAustin

PWM - AUS

PWMAUS

Portland

jue. 11/6

3:15 pm-7:43 pm

2 stops29h 28m

Austin Bergstrom

dom. 11/9

8:48 pm-9:06 am

1 stop11h 18m

$353

PortlandAustin

PWM - AUS

PWMAUS

Portland

jue. 10/23

5:59 pm-12:21 am

1 stop7h 22m

Austin Bergstrom

lun. 10/27

9:47 am-5:09 pm

1 stop6h 22m

$359

PortlandAustin

PWM - AUS

PWMAUS

Portland

mar. 10/21

5:42 am-3:55 pm

2 stops11h 13m

Austin Bergstrom

vie. 10/24

3:59 pm-12:05 am

1 stop7h 06m

$374

PortlandAustin

PWM - AUS

PWMAUS

Portland

mar. 3/10

4:50 pm-10:16 pm

1 stop6h 26m

Austin Bergstrom

mié. 3/18

5:30 am-11:57 am

1 stop5h 27m

$387

PortlandAustin

PWM - AUS

PWMAUS

Portland

mar. 3/10

2:35 pm-10:16 pm

2 stops8h 41m

Austin Bergstrom

mar. 3/17

1:40 pm-9:59 pm

1 stop7h 19m

$392

PortlandAustin

PWM - AUS

PWMAUS

Portland

mié. 3/11

5:30 am-12:56 pm

1 stop8h 26m

Austin Bergstrom

mar. 3/17

5:40 am-3:56 pm

2 stops9h 16m

$392

PortlandAustin

PWM - AUS

PWMAUS

Portland

lun. 10/27

5:45 am-12:20 pm

1 stop7h 35m

Austin Bergstrom

mié. 10/29

1:00 pm-10:30 pm

2 stops8h 30m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 18 results
1
2

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.
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?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Austin. Price data was last updated on September 12, 2025.

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 84 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 $285). Flying from Portland, Maine to Austin in March is currently the most expensive (average of $362). 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.

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 septiembre 17, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,926 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Portland, Maine to Austin?

    Airlines like Southwest and American Airlines fly from Portland, Maine to Austin in about 7h 22m. The time it takes to get you to your destination can typically vary by up to 2h 33m. Portland, Maine and Austin are separated by a distance of 1761 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Portland, Maine to Austin round-trip?

    Cheapflights users have booked flights from Portland, Maine to Austin round-trip from $321. Other airlines that can offer you cheap pricing are United Airlines, from $323, and American Airlines, from $323. Users have found that Delta is 27% cheaper than the other options available to this destination.

  • Can I find deals for flights from Portland to Austin that include hotel bookings?

    Yes. In addition to deals on Portland to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Austin.

  • Can I find deals for business class flights from Portland to Austin?

    Yes. Cheapflights offers flight deals from Portland to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $285). Flying from Portland, Maine to Austin in March is currently the most expensive (average of $362). 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.

See more FAQs

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
San Marcos
Round Rock
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Cedar Park
Canyon Lake
Seguin
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$321Average$463FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$323Average$519FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$426FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$449FlexibilityNo cancel feeOn-time63%

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