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$304+ Cheap flights from Portugal to Austin (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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — AUS
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
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Cheap flight deals from Portugal to Austin

Keep the following information in mind while searching for Portugal to Austin flight deals. Data was last updated November 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$643
(Kissandfly.com)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$869
Provider with most accurate pricing for Lisbon Humberto Delgado-Austin Bergstrom flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Austin Bergstrom flights.
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From Portugal to Austin Bergstrom
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One-way flight from Portugal to Austin Bergstrom
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Highest demand for flights based on searches. 7% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Portugal to Austin

Cheapest flights from Portugal to Austin
Explore the most affordable flight options available from Portugal to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 29, 2025.

This Finnair deal was found by Cheapflights users on 11/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:05 amLIS - AUS
2 stops16h 29mMultiple Airlines
Thu 1/112:39 pmAUS - LIS
1 stop14h 26mMultiple Airlines
Deal found 11/27$728
This British Airways deal was found by Cheapflights users on 11/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:35 pmLIS - AUS
1 stop28h 15mBritish Airways
Thu 1/16:55 pmAUS - LIS
1 stop21h 00mBritish Airways
Deal found 11/27$785
This United Airlines deal was found by Cheapflights users on 11/27. 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.
Mon 12/2211:55 amLIS - AUS
2 stops16h 52mUnited Airlines
Thu 1/12:17 pmAUS - LIS
2 stops13h 58mUnited Airlines
Deal found 11/27$856
This United Airlines deal was found by Cheapflights users on 11/29. 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.
Fri 12/2611:55 amLIS - AUS
1 stop14h 54mUnited Airlines
Sat 1/36:45 amAUS - LIS
2 stops21h 30mUnited Airlines
Deal found 11/29$873
This Finnair deal was found by Cheapflights users on 11/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:05 amLIS - AUS
2 stops15h 37mMultiple Airlines
Tue 12/232:24 pmAUS - LIS
2 stops19h 01mMultiple Airlines
Deal found 11/27$947
This American Airlines deal was found by Cheapflights users on 11/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/288:20 amOPO - AUS
2 stops19h 42mAmerican Airlines
Thu 12/119:59 amAUS - OPO
2 stops15h 41mAmerican Airlines
Deal found 11/27$952
This United Airlines deal was found by Cheapflights users on 11/27. 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 12/166:00 amOPO - AUS
2 stops20h 43mUnited Airlines
Tue 12/235:59 pmAUS - OPO
2 stops59h 41mUnited Airlines
Deal found 11/27$1,117
This Delta deal was found by Cheapflights users on 11/27. 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.
Tue 12/166:05 amOPO - AUS
2 stops21h 43mDelta
Tue 12/237:15 pmAUS - OPO
2 stops45h 10mDelta
Deal found 11/27$1,150
This Expedia deal was found by Cheapflights users on 11/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:20 amOPO - AUS
2 stops19h 23mMultiple Airlines
Tue 12/237:00 pmAUS - OPO
1 stop16h 45mMultiple Airlines
Deal found 11/27$1,255
This United Airlines deal was found by Cheapflights users on 11/27. 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.
Fri 11/2812:35 pmOPO - AUS
1 stop15h 44mUnited Airlines
Thu 12/112:37 pmAUS - OPO
2 stops14h 23mUnited Airlines
Deal found 11/27$1,403

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal 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 November 29, 2025.
Use the filters below to find and compare flights from Portugal to Austin that are best for you.

Fly from

Portugal

Fly to

Austin

Route

Depart

Return

Price

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Mon 1/12

4:55 pm-11:24 pm

2 stops36h 29m

Austin Bergstrom

Sun 1/25

5:50 am-4:05 pm

2 stops28h 15m

$643

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Tue 1/13

8:20 am-9:39 pm

2 stops19h 19m

Austin Bergstrom

Tue 1/20

7:00 pm-9:45 pm

1 stop20h 45m

$716

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Mon 1/12

6:35 pm-4:50 pm

1 stop28h 15m

Austin Bergstrom

Sun 1/25

6:24 pm-5:45 pm

2 stops17h 21m

$722

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Tue 12/23

11:05 am-9:57 pm

1 stop16h 52m

Austin Bergstrom

Thu 1/1

12:39 pm-9:05 am

1 stop14h 26m

$728

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 1/15

6:35 am-4:10 pm

1 stop15h 35m

Austin Bergstrom

Thu 1/22

6:05 pm-1:20 pm

1 stop13h 15m

$769

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Mon 12/22

6:35 pm-4:50 pm

1 stop28h 15m

Austin Bergstrom

Thu 1/1

6:55 pm-9:55 pm

1 stop21h 00m

$785

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 1/15

6:35 am-11:24 pm

3 stops22h 49m

Austin Bergstrom

Thu 1/22

5:50 am-11:00 am

2 stops23h 10m

$844

FaroAustin

FAO - AUS

FAOAUS

Faro

Thu 1/22

7:05 pm-12:20 am

2 stops35h 15m

Austin Bergstrom

Mon 1/26

5:10 pm-6:55 pm

2 stops19h 45m

$852

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Fri 12/26

11:55 am-10:47 pm

2 stops16h 52m

Austin Bergstrom

Sat 1/3

6:45 am-10:15 am

2 stops21h 30m

$873

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 12/16

6:00 am-8:43 pm

2 stops20h 43m

Austin Bergstrom

Tue 12/23

5:59 pm-11:40 am

2 stops59h 41m

$1,117

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/27

Showing 1-10 of 31 results
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Best time to book a flight from Portugal to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Portugal with our price prediction graph.
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 Portugal to Austin

What is the cheapest month to book a flight from Portugal to Austin?

Currently, February is the cheapest month in which you can book a flight from Portugal to Austin (average of $678). Flying from Portugal to Austin in July is currently the most expensive (average of $924). 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.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Austin from Portugal?

    Most people fly into Austin Bergstrom (AUS) if they book a flight to Austin from Portugal. Austin Bergstrom is conveniently located just 7.5 mi from Austin’s city center.

  • How long is the flight from Portugal to Austin?

    Departing from Portugal to Austin will take you 15h 35m. The distance from Portugal to Austin is about 4829 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Portugal to Austin?

    The most popular flight routes from Portugal to Austin are Porto - Austin Bergstrom, Lisbon Humberto Delgado - Austin Bergstrom and Faro - Austin Bergstrom.

  • Can I find deals for flights from Portugal to Austin that include hotel bookings?

    Yes. In addition to deals on Portugal to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Austin.

  • Can I find deals for business class flights from Portugal to Austin?

    Yes. Cheapflights offers flight deals from Portugal to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portugal to Austin?

    Currently, February is the cheapest month in which you can book a flight from Portugal to Austin (average of $678). Flying from Portugal to Austin in July is currently the most expensive (average of $924). 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.

See more FAQs

Traveling to a place near Austin?

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

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