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Cheap flights from Austin to Boston from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Boston departing on 11/14. 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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Cheap round-trip flights

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Multiple Airlines Logo
10:38 am - 9:06 amAUS-PWM
21h 28m1 stop
Multiple Airlines Logo
9:46 am - 5:38 pmPWM-AUS
8h 52m1 stop
$246Multiple Airlines
Find Deal
Sun, Dec 7 - Mon, Dec 15
Multiple Airlines Logo
6:00 am - 9:06 amAUS-PWM
26h 06m1 stop
Multiple Airlines Logo
9:46 am - 5:38 pmPWM-AUS
8h 52m1 stop
$250Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 15
Multiple Airlines Logo
6:00 am - 9:06 amAUS-PWM
26h 06m1 stop
Multiple Airlines Logo
11:16 am - 9:45 pmPWM-AUS
11h 29m1 stop
$262Multiple Airlines
Find Deal
Thu, Dec 4 - Sat, Dec 13
Multiple Airlines Logo
10:38 am - 9:06 amAUS-PWM
21h 28m1 stop
Multiple Airlines Logo
11:16 am - 9:45 pmPWM-AUS
11h 29m1 stop
$263Multiple Airlines
Find Deal
Sun, Dec 7 - Sat, Dec 13
Delta Logo
8:30 am - 4:00 pmAUS-PWM
6h 30m1 stop
Delta Logo
12:53 pm - 6:32 pmPWM-AUS
6h 39m1 stop
$317Delta
Find Deal
Sat, Dec 6 - Tue, Dec 16
Delta Logo
1:42 pm - 10:23 pmAUS-PWM
7h 41m1 stop
Delta Logo
11:27 am - 9:48 pmPWM-AUS
11h 21m2 stops
$322Delta
Find Deal
Sat, Dec 6 - Tue, Dec 16
Delta Logo
8:00 am - 8:51 pmAUS-PWM
11h 51m2 stops
Delta Logo
6:00 am - 3:55 pmPWM-AUS
10h 55m2 stops
$327Delta
Find Deal
Sat, Dec 6 - Tue, Dec 16
Southwest Logo
3:10 pm - 9:55 pmAUS-PWM
5h 45m1 stop
Southwest Logo
5:30 am - 12:35 pmPWM-AUS
8h 05m1 stop
$382Southwest
Find Deal
Sat, Dec 6 - Sun, Dec 14
Southwest Logo
3:55 pm - 12:20 amAUS-PWM
7h 25m1 stop
Southwest Logo
5:30 am - 12:35 pmPWM-AUS
8h 05m1 stop
$386Southwest
Find Deal
Fri, Nov 7 - Mon, Nov 10
Southwest Logo
6:40 am - 2:55 pmAUS-PWM
7h 15m2 stops
Southwest Logo
5:30 am - 12:35 pmPWM-AUS
8h 05m2 stops
$396Southwest
Find Deal
Fri, Dec 5 - Mon, Dec 8

Delta flights from Austin to Portland, Maine

Our best Delta deals on Austin to Portland, Maine flight tickets
Delta
Dec 6
AUS8:30 amAustin Bergstrom
6h 30m
1 stop
PWM4:00 pmPortland
Dec 16
PWM12:53 pmPortland
6h 39m
1 stop
AUS6:32 pmAustin Bergstrom
$317
Find similar
Delta
Dec 6
AUS1:42 pmAustin Bergstrom
7h 41m
1 stop
PWM10:23 pmPortland
Dec 16
PWM11:27 amPortland
11h 21m
2 stops
AUS9:48 pmAustin Bergstrom
$322
Find similar
Delta
Dec 6
AUS8:00 amAustin Bergstrom
11h 51m
2 stops
PWM8:51 pmPortland
Dec 16
PWM6:00 amPortland
10h 55m
2 stops
AUS3:55 pmAustin Bergstrom
$327
Find similar

Southwest flights from Austin to Portland, Maine

Our best Southwest deals on Austin to Portland, Maine flight tickets
Southwest
Dec 6
AUS3:10 pmAustin Bergstrom
5h 45m
1 stop
PWM9:55 pmPortland
Dec 14
PWM5:30 amPortland
8h 05m
1 stop
AUS12:35 pmAustin Bergstrom
$382
Find similar
Southwest
Nov 7
AUS3:55 pmAustin Bergstrom
7h 25m
1 stop
PWM12:20 amPortland
Nov 10
PWM5:30 amPortland
8h 05m
1 stop
AUS12:35 pmAustin Bergstrom
$386
Find similar
Southwest
Dec 5
AUS6:40 amAustin Bergstrom
7h 15m
2 stops
PWM2:55 pmPortland
Dec 8
PWM5:30 amPortland
8h 05m
2 stops
AUS12:35 pmAustin Bergstrom
$396
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Portland, Maine 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 October 16, 2025.
Use the filters below to find and compare flights from Austin to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Sun 12/7

10:38 am-9:06 am

1 stop21h 28m

Portland

Mon 12/15

9:46 am-5:38 pm

1 stop8h 52m

$246

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Thu 12/4

6:00 am-9:06 am

1 stop26h 06m

Portland

Mon 12/15

9:46 am-5:38 pm

1 stop8h 52m

$250

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Thu 12/4

6:00 am-9:06 am

1 stop26h 06m

Portland

Sat 12/13

11:16 am-9:45 pm

1 stop11h 29m

$262

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Sun 12/7

10:38 am-9:06 am

1 stop21h 28m

Portland

Sat 12/13

11:16 am-9:45 pm

1 stop11h 29m

$263

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Sat 12/6

8:30 am-4:00 pm

1 stop6h 30m

Portland

Tue 12/16

12:53 pm-6:32 pm

1 stop6h 39m

$317

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Sat 12/6

1:42 pm-10:23 pm

1 stop7h 41m

Portland

Tue 12/16

11:27 am-9:48 pm

2 stops11h 21m

$322

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Sat 12/6

8:00 am-8:51 pm

2 stops11h 51m

Portland

Tue 12/16

6:00 am-3:55 pm

2 stops10h 55m

$327

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Sat 12/6

3:10 pm-9:55 pm

1 stop5h 45m

Portland

Sun 12/14

5:30 am-12:35 pm

1 stop8h 05m

$382

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Fri 11/7

3:55 pm-12:20 am

1 stop7h 25m

Portland

Mon 11/10

5:30 am-12:35 pm

1 stop8h 05m

$386

AustinPortland

AUS - PWM

AUSPWM

Austin Bergstrom

Fri 12/5

6:40 am-2:55 pm

2 stops7h 15m

Portland

Mon 12/8

5:30 am-12:35 pm

2 stops8h 05m

$396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Austin to Portland, Maine

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 Portland, Maine?

The cheapest month to fly to Portland, Maine from Austin is in September. Flight prices, which tend to average around $394, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $396.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Austin is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $409. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $542.

What is the cheapest time of day to depart on your flight to Portland, Maine?

At noon is the cheapest time of day to fly from Austin to Portland, Maine when you can find flight prices for as low as $451. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $486. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $465 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Austin for as low as $310 on momondo.

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

As of October 2025, prices for Austin to Portland, Maine flights are approximately 36% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Portland, Maine

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

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

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

Direct flights

None
There are no direct flights from Austin to Portland, Maine. There are no popular flight routes from Austin to Portland, Maine.
Search flight deals

  • How far is Austin Bergstrom to Portland by plane?

    Austin Bergstrom and Portland are 1763.2 mi apart from one another. A reasonable flight in good conditions will take 5h 30m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Portland Airport.

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

    The required travel and health documents for your Portland 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 Portland 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 Austin to Portland, Maine?

Best airlines flying from Austin to Portland, Maine

Compare and see reviews for airlines that fly from Austin to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $265Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
DeltaPriceFrom $274Free CancellationRating
7.9
7,984 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
SouthwestPriceFrom $353Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Brunswick
Bartlett
Gorham
Auburn
Intervale
Windham
Bath
Oxford
Georgetown
Tamworth
Falmouth

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Austin.

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

Yes. All flights to Portland from Austin on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Yes. momondo can track prices for Austin to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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