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Cheap flights from Portland, Maine to Austin from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Austin departing on 2/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland, Maine to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:02 am - 10:21 am
PWM
-
AUS
24h 19m1 stop
Multiple Airlines Logo
7:26 pm - 9:07 am
AUS
-
PWM
12h 41m1 stop
$232Multiple Airlines
Wed, Jan 28 - Sun, Feb 1
Multiple Airlines Logo
11:29 am - 10:21 am
PWM
-
AUS
23h 52m2 stops
Multiple Airlines Logo
7:26 pm - 9:07 am
AUS
-
PWM
12h 41m1 stop
$257Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
Multiple Airlines Logo
11:02 am - 10:34 am
PWM
-
AUS
24h 32m2 stops
Multiple Airlines Logo
7:26 pm - 9:07 am
AUS
-
PWM
12h 41m1 stop
$269Multiple Airlines
Wed, Jan 28 - Sun, Feb 1
Southwest Logo
3:30 pm - 9:05 pm
PWM
-
AUS
6h 35m1 stop
Southwest Logo
3:05 pm - 10:00 pm
AUS
-
PWM
5h 55m1 stop
$293Southwest
Sat, Jan 17 - Sat, Jan 24
Delta Logo
1:13 pm - 12:20 am
PWM
-
AUS
12h 07m2 stops
Delta Logo
3:05 pm - 10:27 pm
AUS
-
PWM
6h 22m1 stop
$302Delta
Sat, Jan 17 - Wed, Jan 21
Delta Logo
12:50 pm - 12:20 am
PWM
-
AUS
12h 30m2 stops
Delta Logo
6:40 am - 5:16 pm
AUS
-
PWM
9h 36m2 stops
$307Delta
Sat, Jan 17 - Wed, Jan 21
Southwest Logo
12:45 pm - 9:00 pm
PWM
-
AUS
9h 15m1 stop
Southwest Logo
3:05 pm - 10:00 pm
AUS
-
PWM
5h 55m1 stop
$317Southwest
Tue, Jan 6 - Sat, Feb 7
Multiple Airlines Logo
9:47 am - 10:21 am
PWM
-
AUS
25h 34m1 stop
Multiple Airlines Logo
7:26 pm - 9:07 am
AUS
-
PWM
12h 41m1 stop
$321Multiple Airlines
Fri, Feb 6 - Sun, Feb 8
Delta Logo
12:48 pm - 12:20 am
PWM
-
AUS
12h 32m2 stops
Delta Logo
1:55 pm - 10:27 pm
AUS
-
PWM
7h 32m1 stop
$322Delta
Tue, Jan 6 - Sat, Feb 7
United Airlines Logo
6:00 am - 3:46 pm
PWM
-
AUS
10h 46m2 stops
United Airlines Logo
5:30 am - 2:39 pm
AUS
-
PWM
8h 09m2 stops
$327United Airlines
Tue, Jan 6 - Sat, Feb 7

United Airlines flights from Portland, Maine to Austin

Our best United Airlines deals on Portland, Maine to Austin flight tickets
United Airlines
Jan 6
PWM6:00 amPortland
10h 46m
2 stops
AUS3:46 pmAustin Bergstrom
Feb 7
AUS5:30 amAustin Bergstrom
8h 09m
2 stops
PWM2:39 pmPortland
$327
Find similar
United Airlines
Jan 17
PWM2:31 pmPortland
7h 20m
1 stop
AUS8:51 pmAustin Bergstrom
Jan 20
AUS6:30 amAustin Bergstrom
7h 09m
1 stop
PWM2:39 pmPortland
$359
Find similar
United Airlines
Jan 17
PWM8:40 amPortland
13h 50m
2 stops
AUS9:30 pmAustin Bergstrom
Jan 20
AUS4:18 pmAustin Bergstrom
6h 09m
1 stop
PWM11:27 pmPortland
$364
Find similar

Southwest flights from Portland, Maine to Austin

Our best Southwest deals on Portland, Maine to Austin flight tickets
Southwest
Jan 17
PWM3:30 pmPortland
6h 35m
1 stop
AUS9:05 pmAustin Bergstrom
Jan 24
AUS3:05 pmAustin Bergstrom
5h 55m
1 stop
PWM10:00 pmPortland
$293
Find similar
Southwest
Jan 6
PWM12:45 pmPortland
9h 15m
1 stop
AUS9:00 pmAustin Bergstrom
Feb 7
AUS3:05 pmAustin Bergstrom
5h 55m
1 stop
PWM10:00 pmPortland
$317
Find similar
Southwest
Mar 23
PWM12:35 pmPortland
9h 05m
2 stops
AUS8:40 pmAustin Bergstrom
Mar 25
AUS6:05 amAustin Bergstrom
8h 50m
2 stops
PWM3:55 pmPortland
$427
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated December 10, 2025.
Use the filters below to find and compare flights from Portland, Maine to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 1/28

11:02 am-10:21 am

1 stop24h 19m

Austin Bergstrom

Sun 2/1

7:26 pm-9:07 am

1 stop12h 41m

$232

PortlandAustin

PWM - AUS

PWMAUS

Portland

Fri 2/6

11:29 am-10:21 am

2 stops23h 52m

Austin Bergstrom

Sun 2/8

7:26 pm-9:07 am

1 stop12h 41m

$257

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 1/28

11:02 am-10:34 am

2 stops24h 32m

Austin Bergstrom

Sun 2/1

7:26 pm-9:07 am

1 stop12h 41m

$269

PortlandAustin

PWM - AUS

PWMAUS

Portland

Sat 1/17

3:30 pm-9:05 pm

1 stop6h 35m

Austin Bergstrom

Sat 1/24

3:05 pm-10:00 pm

1 stop5h 55m

$293

PortlandAustin

PWM - AUS

PWMAUS

Portland

Sat 1/17

1:13 pm-12:20 am

2 stops12h 07m

Austin Bergstrom

Wed 1/21

3:05 pm-10:27 pm

1 stop6h 22m

$302

PortlandAustin

PWM - AUS

PWMAUS

Portland

Sat 1/17

12:50 pm-12:20 am

2 stops12h 30m

Austin Bergstrom

Wed 1/21

6:40 am-5:16 pm

2 stops9h 36m

$307

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 1/6

12:45 pm-9:00 pm

1 stop9h 15m

Austin Bergstrom

Sat 2/7

3:05 pm-10:00 pm

1 stop5h 55m

$317

PortlandAustin

PWM - AUS

PWMAUS

Portland

Fri 2/6

9:47 am-10:21 am

1 stop25h 34m

Austin Bergstrom

Sun 2/8

7:26 pm-9:07 am

1 stop12h 41m

$321

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 1/6

12:48 pm-12:20 am

2 stops12h 32m

Austin Bergstrom

Sat 2/7

1:55 pm-10:27 pm

1 stop7h 32m

$322

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 1/6

6:00 am-3:46 pm

2 stops10h 46m

Austin Bergstrom

Sat 2/7

5:30 am-2:39 pm

2 stops8h 09m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Portland, Maine to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Portland, Maine is in August. Flight prices, which tend to average around $339, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then January is your next best option. Flight prices from Portland, Maine to Austin during January average around $384.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Tuesday when prices can be found for as low as $426. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Austin for around $606.

What is the cheapest time of day to depart on your flight to Austin?

In the morning is the cheapest time of day to fly from Portland, Maine to Austin when you can find flight prices for as low as $462. Flying to Austin in the morning is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $491. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $442 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Portland, Maine for as low as $254 on momondo.

How have Portland, Maine to Austin flight prices changed over time?

As of December 2025, prices for Portland, Maine to Austin flights are approximately 85% more expensive when compared to flights at the same time last year.

When to book flights from Portland, Maine to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Austin (PWM to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Austin

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Portland, Maine to Austin takes 6h 35m
There are no direct flights from Portland, Maine to Austin. There are no popular flight routes from Portland, Maine to Austin.
Search flight deals

  • How far is Portland to Austin Bergstrom by plane?

    The distance between Portland and Austin Bergstrom is about 1763.2 mi. A reasonable flight in good conditions will take 6h 35m.

  • When did momondo last update prices for flights from Portland Airport to Austin Bergstrom Airport?

    Prices for flights from Portland Airport to Austin Bergstrom Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Portland Airport to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland, Maine to Austin?

Best airlines flying from Portland, Maine to Austin

Compare and see reviews for airlines that fly from Portland, Maine to Austin with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom $337Free CancellationRating
7.9
4,253 reviews
Search Southwest flights

Traveling to a place near Austin?

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

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Austin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Austin. momondo saves you time and could save you money on your trip.

Can I find flights from Portland to Austin with flexible booking policies on momondo?

All flight searches from Portland to Austin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Austin?

momondo provides multiple filters to help you find the best flight to Austin from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Austin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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