HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$134+ 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
Sep 13 — Sep 201
Sun 9/13
Sun 9/20
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 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 August 14, 2026.

This Southwest deal was found by Cheapflights users on 8/13. 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 10/293:25 pm -
1 stop8h 00m
Mon 11/25:40 am -
1 stop6h 25m
Deal found 8/13$267
This American Airlines deal was found by Cheapflights users on 8/11. 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 10/294:23 pm -
1 stop6h 57m
Sat 10/316:21 am -
1 stop8h 12m
Deal found 8/11$269
This Delta deal was found by Cheapflights users on 8/12. 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 11/1412:50 pm -
1 stop6h 35m
Wed 11/188:00 am -
1 stop6h 58m
Deal found 8/12$277
This American Airlines deal was found by Cheapflights users on 8/11. 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 10/294:27 pm -
2 stops8h 32m
Sat 11/711:41 am -
2 stops8h 55m
Deal found 8/11$279
This American Airlines deal was found by Cheapflights users on 8/13. 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 10/88:59 am -
1 stop7h 40m
Tue 10/132:56 pm -
1 stop6h 35m
Deal found 8/13$304
This Southwest deal was found by Cheapflights users on 8/13. 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 10/15:20 am -
1 stop7h 55m
Mon 10/53:55 pm -
2 stops7h 00m
Deal found 8/13$312

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 August 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Southwest)

One-way from

$134
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$419
Provider with most accurate pricing for Portland-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Austin Bergstrom flights.
Search Deals
From Portland to Austin Bergstrom
Search Deals
One-way flight from Portland to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 14, 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

Price

Cheapest round-trip

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Sat 11/14

12:50 pm-6:25 pm

1 stop6h 35m

Austin Bergstrom

Wed 11/18

8:00 am-3:58 pm

1 stop6h 58m

$277

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Sat 2/6

5:06 pm-11:46 pm

1 stop7h 40m

Austin Bergstrom

Tue 2/9

6:40 am-1:52 pm

1 stop6h 12m

$369

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Tue 2/2

3:15 pm-11:46 pm

1 stop9h 31m

Austin Bergstrom

Sat 2/6

6:40 am-1:52 pm

1 stop6h 12m

$369

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Wed 11/11

5:15 am-11:05 am

1 stop6h 50m

Austin Bergstrom

Sun 11/15

7:35 am-4:30 pm

2 stops7h 55m

$377

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Sat 11/14

8:45 am-8:03 pm

2 stops12h 18m

Austin Bergstrom

Wed 11/18

9:37 am-11:21 pm

2 stops12h 44m

$379

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Fri 10/9

5:20 am-1:50 pm

2 stops9h 30m

Austin Bergstrom

Tue 10/13

1:45 pm-8:30 pm

1 stop5h 45m

$397
Quickest round-trip

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Wed 10/7

6:00 am-11:37 am

1 stop6h 37m

Austin Bergstrom

Wed 10/14

6:00 am-1:51 pm

1 stop6h 51m

$411
Cheapest one-way

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Tue 9/22

6:00 am-12:20 pm

1 stop7h 20m

$134

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Sat 9/12

5:40 am-1:15 pm

1 stop8h 35m

$134

PortlandAustin

PWM Portland - AUS Austin Bergstrom

PWMAUS

Portland

Sat 9/12

5:15 am-1:58 pm

2 stops9h 43m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 15 resultsSorted by cheapest first
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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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

What is the cheapest month to book a flight from Portland, Maine to Austin?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Austin (average of $390). 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.

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 August 14, 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.
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
4,218 reviews
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
7.8
Good
8,502 reviews
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
10,108 reviews
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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
7.1
Good
11,929 reviews
Southwest
8.0
Very good
4,218 reviews

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

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, Southwest, and United Airlines fly from Portland, Maine to Austin in about 6h 35m. The time it takes to get you to your destination can typically vary by up to 2h 20m. 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 $285. Other airlines that can offer you cheap pricing are United Airlines, from $316, and Southwest, from $341. Users have found that Delta is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Portland, Maine to Austin one-way?

    $154 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $158 and $158, respectively.

  • 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, January is the cheapest month in which you can book a flight from Portland, Maine to Austin (average of $390). 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.

See more FAQs

Traveling to a place near Austin?

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

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.

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 August 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$285Average$446FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$316Average$416FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$341Average$482FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$354Average$461FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.