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Cheap flights from Portland, Maine to Austin from $161

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 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Southwest Logo
4:30 pm - 10:00 pm
PWM
-
AUS
6h 30m
1 stop
Southwest Logo
4:15 pm - 11:05 pm
AUS
-
PWM
5h 50m
1 stop
$337Southwest
Tue, Mar 24 - Wed, Mar 25
Southwest Logo
5:30 am - 2:30 pm
PWM
-
AUS
10h 00m
2 stops
Southwest Logo
4:15 pm - 11:05 pm
AUS
-
PWM
5h 50m
1 stop
$342Southwest
Tue, Mar 24 - Wed, Mar 25
Southwest Logo
5:30 am - 12:40 pm
PWM
-
AUS
8h 10m
2 stops
Southwest Logo
1:35 pm - 11:05 pm
AUS
-
PWM
8h 30m
2 stops
$347Southwest
Tue, Mar 24 - Wed, Mar 25
Delta Logo
11:35 am - 10:39 pm
PWM
-
AUS
12h 04m
2 stops
Delta Logo
12:31 pm - 11:24 pm
AUS
-
PWM
9h 53m
2 stops
$348Delta
Tue, Apr 28 - Tue, May 5
Delta Logo
4:48 pm - 10:44 pm
PWM
-
AUS
6h 56m
1 stop
Delta Logo
5:12 am - 12:09 pm
AUS
-
PWM
5h 57m
1 stop
$352Delta
Fri, Mar 27 - Tue, Mar 31
Delta Logo
4:48 pm - 10:44 pm
PWM
-
AUS
6h 56m
1 stop
Delta Logo
10:49 am - 11:59 pm
AUS
-
PWM
12h 10m
2 stops
$357Delta
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
5:30 am - 1:04 pm
PWM
-
AUS
8h 34m
2 stops
United Airlines Logo
5:30 am - 2:14 pm
AUS
-
PWM
7h 44m
2 stops
$362United Airlines
Wed, May 13 - Sat, May 16
Delta Logo
3:00 pm - 12:26 am
PWM
-
AUS
10h 26m
2 stops
Delta Logo
9:15 am - 10:03 pm
AUS
-
PWM
11h 48m
2 stops
$363Delta
Fri, May 8 - Tue, May 12
Delta Logo
4:48 pm - 10:44 pm
PWM
-
AUS
6h 56m
1 stop
Delta Logo
8:00 am - 4:06 pm
AUS
-
PWM
7h 06m
1 stop
$367Delta
Fri, Mar 27 - Sat, Mar 28
Delta Logo
4:48 pm - 10:44 pm
PWM
-
AUS
6h 56m
1 stop
Delta Logo
5:22 am - 4:06 pm
AUS
-
PWM
9h 44m
2 stops
$372Delta
Fri, Mar 27 - Sat, Mar 28

Southwest flights from Portland, Maine to Austin

Our best Southwest deals on Portland, Maine to Austin flight tickets
Southwest
Mar 24
PWM4:30 pmPortland
6h 30m
1 stop
AUS10:00 pmAustin Bergstrom
Mar 25
AUS4:15 pmAustin Bergstrom
5h 50m
1 stop
PWM11:05 pmPortland
$337
Southwest
Mar 24
PWM5:30 amPortland
10h 00m
2 stops
AUS2:30 pmAustin Bergstrom
Mar 25
AUS4:15 pmAustin Bergstrom
5h 50m
1 stop
PWM11:05 pmPortland
$342
Southwest
Mar 24
PWM5:30 amPortland
8h 10m
2 stops
AUS12:40 pmAustin Bergstrom
Mar 25
AUS1:35 pmAustin Bergstrom
8h 30m
2 stops
PWM11:05 pmPortland
$347

Delta flights from Portland, Maine to Austin

Our best Delta deals on Portland, Maine to Austin flight tickets
Delta
Apr 28
PWM11:35 amPortland
12h 04m
2 stops
AUS10:39 pmAustin Bergstrom
May 5
AUS12:31 pmAustin Bergstrom
9h 53m
2 stops
PWM11:24 pmPortland
$348
Delta
Mar 27
PWM4:48 pmPortland
6h 56m
1 stop
AUS10:44 pmAustin Bergstrom
Mar 31
AUS3:55 pmAustin Bergstrom
6h 27m
1 stop
PWM11:22 pmPortland
$352
Delta
Mar 27
PWM4:48 pmPortland
6h 56m
1 stop
AUS10:44 pmAustin Bergstrom
Mar 31
AUS10:49 amAustin Bergstrom
11h 23m
2 stops
PWM11:12 pmPortland
$357

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 January 30, 2026.
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

Tue 3/24

4:30 pm-10:00 pm

1 stop6h 30m

Austin Bergstrom

Wed 3/25

4:15 pm-11:05 pm

1 stop5h 50m

$337

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 3/24

5:30 am-2:30 pm

2 stops10h 00m

Austin Bergstrom

Wed 3/25

4:15 pm-11:05 pm

1 stop5h 50m

$342

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 3/24

5:30 am-12:40 pm

2 stops8h 10m

Austin Bergstrom

Wed 3/25

1:35 pm-11:05 pm

2 stops8h 30m

$347

PortlandAustin

PWM - AUS

PWMAUS

Portland

Tue 4/28

11:35 am-10:39 pm

2 stops12h 04m

Austin Bergstrom

Tue 5/5

12:31 pm-11:24 pm

2 stops9h 53m

$348

PortlandAustin

PWM - AUS

PWMAUS

Portland

Fri 3/27

4:48 pm-10:44 pm

1 stop6h 56m

Austin Bergstrom

Tue 3/31

5:12 am-12:09 pm

1 stop5h 57m

$352

PortlandAustin

PWM - AUS

PWMAUS

Portland

Fri 3/27

4:48 pm-10:44 pm

1 stop6h 56m

Austin Bergstrom

Tue 3/31

10:49 am-11:59 pm

2 stops12h 10m

$357

PortlandAustin

PWM - AUS

PWMAUS

Portland

Wed 5/13

5:30 am-1:04 pm

2 stops8h 34m

Austin Bergstrom

Sat 5/16

5:30 am-2:14 pm

2 stops7h 44m

$362

PortlandAustin

PWM - AUS

PWMAUS

Portland

Fri 5/8

3:00 pm-12:26 am

2 stops10h 26m

Austin Bergstrom

Tue 5/12

9:15 am-10:03 pm

2 stops11h 48m

$363

PortlandAustin

PWM - AUS

PWMAUS

Portland

Fri 3/27

4:48 pm-10:44 pm

1 stop6h 56m

Austin Bergstrom

Sat 3/28

8:00 am-4:06 pm

1 stop7h 06m

$367

PortlandAustin

PWM - AUS

PWMAUS

Portland

Fri 3/27

4:48 pm-10:44 pm

1 stop6h 56m

Austin Bergstrom

Sat 3/28

5:22 am-4:06 pm

2 stops9h 44m

$372

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 $390.

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 $437 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 January 2026, prices for Portland, Maine to Austin flights are approximately 37% cheaper 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 12m

Direct flights

None
The fastest flight from Portland, Maine to Austin takes 6h 12m
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 12m.

  • 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
9,215 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,123 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.2
11,210 reviews
Search American Airlines flights
SouthwestPriceFrom $337Free CancellationRating
8.0
4,267 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
Cedar Park
Horseshoe Bay
Dripping Springs
Pflugerville
Kyle
Seguin
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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