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$144+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — AUS
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
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 September 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(Southwest)

One-way from

$144
(Delta)

Popular in

November

Cheapest in

August

Average price

$421
Provider with most accurate pricing for Portland-Austin Bergstrom flight deals.
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Provider most trusted by Cheapflights users for Portland-Austin Bergstrom flights.
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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 ($6 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 September 30, 2025.

This Delta deal was found by Cheapflights users on 9/28. 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.
Wed 10/221:27 pmPWM - AUS
1 stop6h 03mDelta
Tue 10/283:20 pmAUS - PWM
1 stop5h 59mDelta
Deal found 9/28$287
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:00 amPWM - AUS
2 stops10h 55mDelta
Wed 11/195:30 amAUS - PWM
2 stops9h 30mDelta
Deal found 9/29$297
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:03 amPWM - AUS
1 stop7h 34mDelta
Mon 12/153:24 pmAUS - PWM
1 stop5h 59mDelta
Deal found 9/29$322
This American Airlines deal was found by Cheapflights users on 9/27. 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.
Wed 11/123:52 pmPWM - AUS
1 stop7h 01mAmerican Airlines
Thu 11/201:54 pmAUS - PWM
1 stop7h 39mAmerican Airlines
Deal found 9/27$327
This Delta deal was found by Cheapflights users on 9/28. 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.
Tue 12/305:36 amPWM - AUS
1 stop6h 38mDelta
Thu 1/11:35 pmAUS - PWM
1 stop8h 08mDelta
Deal found 9/28$347
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:25 pmPWM - AUS
1 stop9h 22mDelta
Fri 11/285:30 amAUS - PWM
1 stop7h 37mDelta
Deal found 9/30$372
This Southwest deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:40 amPWM - AUS
2 stops8h 10mSouthwest
Mon 12/156:20 amAUS - PWM
2 stops7h 35mSouthwest
Deal found 9/29$383
This Delta deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:27 pmPWM - AUS
1 stop6h 03mDelta
Sun 11/25:40 amAUS - PWM
1 stop5h 52mDelta
Deal found 9/29$387
This Delta deal was found by Cheapflights users on 9/28. 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.
Wed 12/247:00 amPWM - AUS
2 stops12h 24mDelta
Tue 12/303:29 pmAUS - PWM
1 stop6h 14mDelta
Deal found 9/28$388
This Delta deal was found by Cheapflights users on 9/28. 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.
Fri 11/76:00 amPWM - AUS
1 stop6h 05mDelta
Tue 11/118:35 amAUS - PWM
1 stop6h 32mDelta
Deal found 9/28$393

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 September 30, 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

Wed 11/12

4:53 pm-10:08 pm

1 stop6h 15m

Austin Bergstrom

Wed 11/19

3:21 pm-10:19 pm

1 stop5h 58m

$287

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 10/22

5:25 pm-11:45 pm

1 stop7h 20m

Austin Bergstrom

Tue 10/28

3:00 pm-10:30 pm

1 stop6h 30m

$287

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 11/12

5:30 am-12:35 pm

2 stops8h 05m

Austin Bergstrom

Wed 11/19

1:10 pm-10:15 pm

2 stops8h 05m

$297

PortlandAustin

PWM - AUS

PWMAUS

Portland

Mon 11/24

1:25 pm-7:04 pm

1 stop6h 39m

Austin Bergstrom

Fri 11/28

5:30 am-2:07 pm

1 stop7h 37m

$372

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 11/12

1:25 pm-12:41 am

2 stops12h 16m

Austin Bergstrom

Thu 11/20

5:30 am-12:30 pm

1 stop6h 00m

$372

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 12/24

7:00 am-6:24 pm

2 stops12h 24m

Austin Bergstrom

Thu 1/1

1:35 pm-10:43 pm

1 stop8h 08m

$388

PortlandAustin

PWM - AUS

PWMAUS

Portland

Thu 10/30

5:42 am-3:55 pm

2 stops11h 13m

Austin Bergstrom

Sun 11/2

5:30 am-12:05 pm

1 stop5h 35m

$392

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 12/24

7:00 am-6:24 pm

2 stops12h 24m

Austin Bergstrom

Wed 12/31

12:00 pm-10:43 pm

2 stops9h 43m

$393

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 10/21

3:38 pm-11:27 pm

1 stop8h 49m

$144

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 10/21

6:00 am-12:35 pm

1 stop7h 35m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 17 results
1
2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 26, 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 September 30, 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
4,248 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

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
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

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
7,964 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

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
8,931 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

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
4,248 reviews

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

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 Delta and Southwest fly from Portland, Maine to Austin in about 6h 15m. The time it takes to get you to your destination can typically vary by up to 1h 05m. 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
Round Rock
San Marcos
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 September 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$321Average$469FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$323Average$593FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$323Average$424FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$448FlexibilityNo cancel feeOn-time63%

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