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Cheap flights from Portland to Austin from $79

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 to Austin departing on 1/15. 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 to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:05 pm - 11:45 am
PDX
-
AUS
21h 40m2 stops
Frontier Logo
6:45 am - 11:04 am
AUS
-
PDX
30h 19m1 stop
$200Frontier
jue., ene. 8 - jue., ene. 15
Delta Logo
6:30 am - 5:35 pm
PDX
-
AUS
9h 05m1 stop
Delta Logo
7:35 am - 12:32 pm
AUS
-
PDX
6h 57m1 stop
$201Delta
jue., ene. 15 - sáb., ene. 24
Frontier Logo
1:18 pm - 8:53 am
PDX
-
AUS
17h 35m1 stop
Frontier Logo
8:13 pm - 9:34 am
AUS
-
PDX
15h 21m1 stop
$203Frontier
jue., ene. 8 - dom., ene. 11
Multiple Airlines Logo
10:47 am - 4:39 pm
PDX
-
AUS
3h 52mnonstop
Multiple Airlines Logo
6:45 am - 11:04 am
AUS
-
PDX
6h 19m1 stop
$205Multiple Airlines
mar., ene. 13 - jue., ene. 15
United Airlines Logo
3:50 pm - 11:58 pm
PDX
-
AUS
6h 08m1 stop
United Airlines Logo
9:30 am - 2:46 pm
AUS
-
PDX
7h 16m1 stop
$206United Airlines
vie., ene. 9 - lun., ene. 12
Alaska Airlines Logo
7:10 am - 5:59 pm
PDX
-
AUS
8h 49m1 stop
Alaska Airlines Logo
5:45 pm - 8:08 pm
AUS
-
PDX
4h 23mnonstop
$207Alaska Airlines
mié., ene. 14 - mié., mar. 18
United Airlines Logo
8:30 am - 7:55 pm
PDX
-
AUS
9h 25m2 stops
United Airlines Logo
9:30 am - 2:46 pm
AUS
-
PDX
7h 16m1 stop
$208United Airlines
sáb., ene. 17 - sáb., ene. 24
Frontier Logo
8:18 am - 10:12 am
PDX
-
AUS
23h 54m1 stop
Frontier Logo
2:41 pm - 9:49 am
AUS
-
PDX
21h 08m1 stop
$209Frontier
dom., ene. 18 - jue., ene. 29
Frontier Logo
12:05 pm - 11:45 am
PDX
-
AUS
21h 40m2 stops
Frontier Logo
8:13 pm - 9:34 am
AUS
-
PDX
15h 21m1 stop
$210Frontier
jue., ene. 8 - dom., ene. 11
Delta Logo
6:25 am - 5:35 pm
PDX
-
AUS
9h 10m1 stop
Delta Logo
2:55 pm - 8:32 pm
AUS
-
PDX
7h 37m1 stop
$215Delta
vie., ene. 23 - vie., ene. 30

United Airlines flights from Portland to Austin

Our best United Airlines deals on Portland to Austin flight tickets
United Airlines
Jan 9
PDX3:50 pmPortland
6h 08m
1 stop
AUS11:58 pmAustin Bergstrom
Jan 12
AUS9:30 amAustin Bergstrom
7h 16m
1 stop
PDX2:46 pmPortland
$206
Find similar
United Airlines
Jan 17
PDX8:30 amPortland
9h 25m
2 stops
AUS7:55 pmAustin Bergstrom
Jan 24
AUS9:30 amAustin Bergstrom
7h 16m
1 stop
PDX2:46 pmPortland
$208
Find similar
United Airlines
Jan 10
PDX1:35 pmPortland
6h 41m
1 stop
AUS10:16 pmAustin Bergstrom
Jan 18
AUS5:10 amAustin Bergstrom
9h 24m
2 stops
PDX12:34 pmPortland
$232
Find similar

Frontier flights from Portland to Austin

Our best Frontier deals on Portland to Austin flight tickets
Frontier
Jan 8
PDX12:05 pmPortland
21h 40m
2 stops
AUS11:45 amAustin Bergstrom
Jan 15
AUS6:45 amAustin Bergstrom
30h 19m
1 stop
PDX11:04 amPortland
$200
Find similar
Frontier
Jan 8
PDX1:18 pmPortland
17h 35m
1 stop
AUS8:53 amAustin Bergstrom
Jan 11
AUS8:13 pmAustin Bergstrom
15h 21m
1 stop
PDX9:34 amPortland
$203
Find similar
Frontier
Jan 18
PDX8:18 amPortland
23h 54m
1 stop
AUS10:12 amAustin Bergstrom
Jan 29
AUS2:41 pmAustin Bergstrom
21h 08m
1 stop
PDX9:49 amPortland
$209
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated diciembre 11, 2025.
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

PortlandAustin

PDX - AUS

PDXAUS

Portland

jue. 1/8

12:05 pm-11:45 am

2 stops21h 40m

Austin Bergstrom

jue. 1/15

6:45 am-11:04 am

1 stop30h 19m

$200

PortlandAustin

PDX - AUS

PDXAUS

Portland

jue. 1/15

6:30 am-5:35 pm

1 stop9h 05m

Austin Bergstrom

sáb. 1/24

7:35 am-12:32 pm

1 stop6h 57m

$201

PortlandAustin

PDX - AUS

PDXAUS

Portland

jue. 1/8

1:18 pm-8:53 am

1 stop17h 35m

Austin Bergstrom

dom. 1/11

8:13 pm-9:34 am

1 stop15h 21m

$203

PortlandAustin

PDX - AUS

PDXAUS

Portland

mar. 1/13

10:47 am-4:39 pm

Nonstop3h 52m

Austin Bergstrom

jue. 1/15

6:45 am-11:04 am

1 stop6h 19m

$205

PortlandAustin

PDX - AUS

PDXAUS

Portland

vie. 1/9

3:50 pm-11:58 pm

1 stop6h 08m

Austin Bergstrom

lun. 1/12

9:30 am-2:46 pm

1 stop7h 16m

$206

PortlandAustin

PDX - AUS

PDXAUS

Portland

mié. 1/14

7:10 am-5:59 pm

1 stop8h 49m

Austin Bergstrom

mié. 3/18

5:45 pm-8:08 pm

Nonstop4h 23m

$207

PortlandAustin

PDX - AUS

PDXAUS

Portland

sáb. 1/17

8:30 am-7:55 pm

2 stops9h 25m

Austin Bergstrom

sáb. 1/24

9:30 am-2:46 pm

1 stop7h 16m

$208

PortlandAustin

PDX - AUS

PDXAUS

Portland

dom. 1/18

8:18 am-10:12 am

1 stop23h 54m

Austin Bergstrom

jue. 1/29

2:41 pm-9:49 am

1 stop21h 08m

$209

PortlandAustin

PDX - AUS

PDXAUS

Portland

jue. 1/8

12:05 pm-11:45 am

2 stops21h 40m

Austin Bergstrom

dom. 1/11

8:13 pm-9:34 am

1 stop15h 21m

$210

PortlandAustin

PDX - AUS

PDXAUS

Portland

vie. 1/23

6:25 am-5:35 pm

1 stop9h 10m

Austin Bergstrom

vie. 1/30

2:55 pm-8:32 pm

1 stop7h 37m

$215

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 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 is in September. Flight prices, which tend to average around $273, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then August is your next best option. Flight prices from Portland to Austin during August average around $275.

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 Saturday when prices can be found for as low as $347. 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 to Austin for around $454.

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

In the afternoon is the cheapest time of day to fly from Portland to Austin when you can find flight prices for as low as $347. Flying to Austin in the afternoon 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 $549. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to Austin Bergstrom flight route?

Fly from Portland to Austin Bergstrom for the best Portland - Austin Bergstrom flight prices

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

You are more likely to see cheaper flights to Austin from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Portland for as low as $262 on momondo.

What cabin class options are available on Portland to Austin Bergstrom flights?

There are 4 cabin classes available to choose from on Portland to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portland to Austin flights?

No. A direct flight is the cheapest option for a flight between Portland to Austin.

How have Portland to Austin flight prices changed over time?

As of December 2025, prices for Portland to Austin flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Austin

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

Cheap Portland to Austin (PDX to AUS) flight deals and tips

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

Best Price Found

$163

Fastest flight time

3h 51m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Portland in the past 72 hours is $163. The best round-trip flight deal from Portland to Austin found on momondo in the last 72 hours is $237.
The fastest flight from Portland to Austin takes 3h 51m
Direct flights go from Portland to Austin every day.
There is 1 airport in Austin. From Portland there are direct flights to Austin Bergstrom (AUS).
Search flight deals

  • How far is Portland to Austin Bergstrom by plane?

    The straight-line distance from Portland to Austin Bergstrom is 1706.0 mi. Flights usually cover this in 3h 51m, depending on flying conditions and air traffic around both airports.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Austin Bergstrom Airport.

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

    The necessary travel and health documents for your Austin Bergstrom Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to Austin?

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

Best airlines flying from Portland to Austin

Compare and see reviews for airlines that fly from Portland to Austin with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $110Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
SouthwestPriceFrom $172Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
DeltaPriceFrom $178Free CancellationRating
7.9
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $206Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $223Free CancellationRating
8.0
11,431 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $227Free CancellationRating
7.8
2,817 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

  • Alaska Airlines Flights From Portland to Austin

    The lowest priced Alaska Airlines flight from Portland to Austin from the last 72 hours was $223. Generally, Alaska Airlines has 6 flights on this route every week with an average price of $379. Alaska Airlines is rated 8.0/10 by our users.

  • Hawaiian Airlines Flights From Portland to Austin

    Another popular option for Portland to Austin flights is Hawaiian Airlines (7.8/10, 2,817 ratings). Hawaiian Airlines flies from Portland to Austin around 6 times per week, with deals starting from $227 round-trip and rising to an average price of around $348.

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?

Finding the right flight to Austin from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Austin quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Portland to Austin flights to just show those with flexible booking policies.

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

Once all potential Portland to Austin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

An easier way to manage your Austin 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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