$159+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — AUS
Apr 6 — Apr 131
Round-trip
1 adult, Economy
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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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Last-minute
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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 March 7, 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 March 7, 2026.
This Southwest deal was found by Cheapflights users on 3/3. 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 4/83:55 pm
PWM
- AUS
1 stop6h 20m
Southwest
Tue 4/145:50 am
AUS
- PWM
1 stop8h 30m
Southwest
Deal found 3/3![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 3/2. 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 4/76:10 am
PWM
- AUS
1 stop6h 10m
Southwest
Thu 4/95:05 am
AUS
- PWM
1 stop8h 05m
Southwest
Deal found 3/2![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 3/4. 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 5/45:30 am
PWM
- AUS
1 stop8h 25m
Southwest
Sat 5/94:25 pm
AUS
- PWM
1 stop5h 45m
Southwest
Deal found 3/4![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 3/3. 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 4/82:30 pm
PWM
- AUS
1 stop7h 45m
Delta
Wed 4/158:00 am
AUS
- PWM
1 stop6h 57m
Delta
Deal found 3/3![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 3/3. 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 5/133:39 pm
PWM
- AUS
1 stop6h 53m
United Airlines
Sat 5/166:00 am
AUS
- PWM
1 stop6h 27m
United Airlines
Deal found 3/3![United Airlines logo]()
$346
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 March 7, 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 March 7, 2026.
This Delta deal was found by Cheapflights users on 3/5. 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 4/84:48 pm
PWM
- AUS
1 stop6h 56m
Delta
Wed 4/158:00 am
AUS
- PWM
1 stop6h 57m
Delta
Deal found 3/5![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 3/3. 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 4/286:04 am
PWM
- AUS
2 stops10h 20m
United Airlines
Tue 5/54:47 pm
AUS
- PWM
1 stop6h 12m
United Airlines
Deal found 3/3![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 3/2. 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 4/73:50 pm
PWM
- AUS
2 stops8h 45m
Southwest
Thu 4/95:05 am
AUS
- PWM
1 stop8h 05m
Southwest
Deal found 3/2![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 3/4. 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 5/42:50 pm
PWM
- AUS
2 stops9h 00m
Southwest
Sat 5/912:05 pm
AUS
- PWM
2 stops10h 05m
Southwest
Deal found 3/4![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 3/2. 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 3/314:30 pm
PWM
- AUS
2 stops8h 25m
Southwest
Tue 4/712:55 pm
AUS
- PWM
2 stops8h 40m
Southwest
Deal found 3/2![Southwest logo]()
$368
This Southwest deal was found by Cheapflights users on 3/3. 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 5/53:55 pm
PWM
- AUS
1 stop6h 20m
Southwest
Fri 5/84:50 pm
AUS
- PWM
1 stop5h 35m
Southwest
Deal found 3/3![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 3/2. 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 4/76:10 am
PWM
- AUS
1 stop6h 10m
Southwest
Fri 4/105:05 am
AUS
- PWM
1 stop8h 05m
Southwest
Deal found 3/2![Southwest logo]()
$382
Last-minute flights from Portland to AustinDiscover last-minute flight deals from Portland to Austin. Data last updated March 7, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Austin. Data last updated March 7, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/2. 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 3/302:50 pm
PWM
- AUS
1 stop9h 00m
Southwest
Mon 4/65:15 am
AUS
- PWM
1 stop5h 40m
Southwest
Deal found 3/2![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 3/2. 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 4/76:10 am
PWM
- AUS
1 stop6h 10m
Southwest
Thu 4/95:05 am
AUS
- PWM
1 stop8h 05m
Southwest
Deal found 3/2![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 3/3. 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 4/83:55 pm
PWM
- AUS
1 stop6h 20m
Southwest
Tue 4/145:50 am
AUS
- PWM
1 stop8h 30m
Southwest
Deal found 3/3![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 3/3. 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 4/82:30 pm
PWM
- AUS
1 stop7h 45m
Delta
Wed 4/158:00 am
AUS
- PWM
1 stop6h 57m
Delta
Deal found 3/3![Delta logo]()
$337
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 March 7, 2026.
Search for one-way flight options from Portland to Austin. Find affordable one-way fares based on user searches. Data last updated March 7, 2026.
This Southwest deal was found by Cheapflights users on 3/3. 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 5/25:40 am
PWM
- AUS
1 stop7h 20m
Southwest
Deal found 3/3![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Wed 5/205:01 pm
PWM
- AUS
2 stops26h 57m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$160
This Southwest deal was found by Cheapflights users on 3/4. 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 4/92:50 pm
PWM
- AUS
1 stop8h 20m
Southwest
Deal found 3/4![Southwest logo]()
$168
This Delta deal was found by Cheapflights users on 3/4. 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 5/1412:55 pm
PWM
- AUS
1 stop6h 35m
Delta
Deal found 3/4![Delta logo]()
$178
This United Airlines deal was found by Cheapflights users on 3/2. 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 5/276:00 am
PWM
- AUS
1 stop9h 41m
United Airlines
Deal found 3/2![United Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 3/3. 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.
Sun 5/35:30 pm
PWM
- AUS
1 stop7h 00m
Southwest
Deal found 3/3![Southwest logo]()
$224
This Southwest deal was found by Cheapflights users on 3/2. 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 5/215:30 am
PWM
- AUS
2 stops8h 20m
Southwest
Deal found 3/2![Southwest logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 3/4. 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 5/147:56 pm
PWM
- AUS
3 stops37h 24m
Multiple Airlines
Deal found 3/4![Multiple Airlines logo]()
$240
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 March 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (Southwest) |
One-way from | $159 (Southwest) |
Popular in | December |
Cheapest in | August |
Average price | $518 |
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 March 7, 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
Wed 4/8
4:48 pm-10:44 pm
1 stop6h 56m
Austin Bergstrom
Wed 4/15
8:00 am-3:57 pm
1 stop6h 57m
$317
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 4/28
6:04 am-3:24 pm
2 stops10h 20m
Austin Bergstrom
Tue 5/5
4:47 pm-11:59 pm
1 stop6h 12m
$322
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 4/7
3:50 pm-11:35 pm
2 stops8h 45m
Austin Bergstrom
Thu 4/9
5:05 am-2:10 pm
1 stop8h 05m
$331
PortlandAustin
PWM - AUS
PWMAUS
Portland
Mon 5/4
2:50 pm-10:50 pm
2 stops9h 00m
Austin Bergstrom
Sat 5/9
12:05 pm-11:10 pm
2 stops10h 05m
$345
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 3/31
4:30 pm-11:55 pm
2 stops8h 25m
Austin Bergstrom
Tue 4/7
12:55 pm-10:35 pm
2 stops8h 40m
$368
Quickest round-trip
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 5/5
3:55 pm-9:15 pm
1 stop6h 20m
Austin Bergstrom
Fri 5/8
4:50 pm-11:25 pm
1 stop5h 35m
$382
PortlandAustin
PWM - AUS
PWMAUS
Portland
Tue 4/7
6:10 am-11:20 am
1 stop6h 10m
Austin Bergstrom
Fri 4/10
5:05 am-2:10 pm
1 stop8h 05m
$382
Cheapest one-way
Quickest one-way
PortlandAustin
PWM - AUS
PWMAUS
Portland
Wed 5/13
6:10 am-11:20 am
1 stop6h 10m
$159
PortlandAustin
PWM - AUS
PWMAUS
Portland
Thu 4/9
2:50 pm-10:10 pm
1 stop8h 20m
$168
PortlandAustin
PWM - AUS
PWMAUS
Portland
Wed 5/27
5:15 am-4:07 pm
3 stops11h 52m
$249
Showing 1-10 of 15 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 March.
| 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?
Use this chart to determine the optimal time to book a round-trip flight from Portland to Austin. Price data was last updated on March 6, 2026.
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, April is the cheapest month in which you can book a flight from Portland, Maine to Austin (average of $121). Flying from Portland, Maine to Austin in June is currently the most expensive (average of $187). 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 March 7, 2026.
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.
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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 locationsCedar Park
San Marcos
Fredericksburg
Round Rock
Georgetown
Bastrop
Pflugerville
Dripping Springs
Canyon Lake
Seguin
Horseshoe Bay
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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 March 7, 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 March 7, 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 March 7, 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 March 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$286 | Average$501 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$430 | FlexibilityNo cancel fee | On-time71% |