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$389+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — AUS
Jul 5 — Jul 121
Sun 7/5
Sun 7/12
1 adult, Economy
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Cheap 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 June 5, 2026.

This Iberia deal was found by Cheapflights users on 6/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:20 am
LIS
-
AUS
2 stops18h 35m
Multiple Airlines
Mon 1/116:55 pm
AUS
-
LIS
1 stop14h 00m
Multiple Airlines
Deal found 6/5$855
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Mon 12/218:20 am
LIS
-
AUS
2 stops18h 35m
American Airlines
Mon 1/116:55 pm
AUS
-
LIS
1 stop14h 00m
American Airlines
Deal found 6/5$857
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Thu 9/176:35 am
LIS
-
AUS
2 stops21h 20m
American Airlines
Mon 9/2110:30 pm
AUS
-
LIS
1 stop35h 05m
American Airlines
Deal found 6/4$858
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 9/308:20 am
OPO
-
AUS
2 stops20h 16m
American Airlines
Sun 10/45:02 pm
AUS
-
OPO
2 stops36h 43m
American Airlines
Deal found 6/4$863
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:10 pm
LIS
-
AUS
2 stops48h 15m
Multiple Airlines
Tue 8/44:25 pm
AUS
-
LIS
1 stop35h 10m
Multiple Airlines
Deal found 5/31$894
This Orbitz deal was found by Cheapflights users on 6/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 pm
LIS
-
AUS
2 stops30h 34m
Iberia
Sun 11/152:39 pm
AUS
-
LIS
2 stops39h 11m
Iberia
Deal found 6/4$901
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 9/168:00 pm
FAO
-
AUS
1 stop30h 35m
American Airlines
Sun 9/205:02 pm
AUS
-
FAO
2 stops39h 43m
American Airlines
Deal found 6/4$924
This British Airways deal was found by Cheapflights users on 6/4. 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.
Wed 9/168:00 pm
FAO
-
AUS
1 stop25h 25m
British Airways
Sun 9/2010:30 pm
AUS
-
FAO
1 stop29h 50m
British Airways
Deal found 6/4$927
This British Airways deal was found by Cheapflights users on 6/5. 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.
Sun 11/16:40 pm
LIS
-
AUS
1 stop28h 10m
British Airways
Sun 11/156:55 pm
AUS
-
LIS
2 stops16h 50m
British Airways
Deal found 6/5$932
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/211:35 am
LIS
-
AUS
1 stop33h 50m
Multiple Airlines
Thu 8/64:25 pm
AUS
-
LIS
2 stops47h 20m
Multiple Airlines
Deal found 5/31$945
This Gotogate deal was found by Cheapflights users on 6/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:50 am
OPO
-
AUS
1 stop14h 25m
Air Canada
Tue 6/1611:55 am
AUS
-
OPO
2 stops37h 05m
Air Canada
Deal found 6/4$950
This United Airlines deal was found by Cheapflights users on 6/3. 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.
Wed 9/306:00 am
OPO
-
AUS
2 stops18h 54m
United Airlines
Sun 10/46:10 am
AUS
-
OPO
1 stop21h 35m
United Airlines
Deal found 6/3$951

Find flight deals from Portugal to Austin

Keep the following information in mind while searching for Portugal to Austin flight deals. Data was last updated June 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$858
(American Airlines)

One-way from

$389
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$1,349
Provider with most accurate pricing for Lisbon Humberto Delgado-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Austin Bergstrom flights.
Search Deals
From Portugal to Austin Bergstrom
Search Deals
One-way flight from Portugal to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 5, 2026.
Use the filters below to find and compare flights from Portugal to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 9/17

6:35 am-9:55 pm

2 stops21h 20m

Austin Bergstrom

Mon 9/21

10:30 pm-3:35 pm

1 stop35h 05m

$858

FaroAustin

FAO - AUS

FAOAUS

Faro

Wed 9/16

8:00 pm-8:35 pm

1 stop30h 35m

Austin Bergstrom

Sun 9/20

5:02 pm-2:45 pm

2 stops39h 43m

$924

FaroAustin

FAO - AUS

FAOAUS

Faro

Wed 9/16

8:00 pm-3:25 pm

1 stop25h 25m

Austin Bergstrom

Sun 9/20

10:30 pm-10:20 am

1 stop29h 50m

$927

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

6:40 pm-4:50 pm

1 stop28h 10m

Austin Bergstrom

Sun 11/15

6:55 pm-9:45 pm

1 stop20h 50m

$932

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 9/30

6:00 am-6:49 pm

2 stops18h 49m

Austin Bergstrom

Sun 10/4

6:00 am-9:45 am

1 stop21h 45m

$952

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Tue 12/1

5:00 am-2:05 pm

1 stop15h 05m

Austin Bergstrom

Tue 1/12

9:35 am-8:10 am

2 stops16h 35m

$956

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

5:00 am-3:05 pm

1 stop15h 05m

Austin Bergstrom

Sun 11/15

6:30 am-8:10 am

1 stop19h 40m

$960

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

5:00 am-10:49 pm

2 stops22h 49m

Austin Bergstrom

Sun 11/15

1:40 pm-3:10 pm

2 stops19h 30m

$965

FaroAustin

FAO - AUS

FAOAUS

Faro

Thu 6/18

11:40 am-10:24 pm

1 stop16h 44m

Austin Bergstrom

Mon 6/22

7:05 am-8:50 am

1 stop19h 45m

$971

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 9/17

7:25 am-2:00 pm

1 stop36h 35m

Austin Bergstrom

Mon 9/21

5:04 pm-10:30 am

1 stop11h 26m

$974

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 45 resultsSorted by cheapest first
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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, December is the cheapest month in which you can book a flight from Portugal to Austin (average of $355). Flying from Portugal to Austin in April is currently the most expensive (average of $1,065). 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 18h 49m. The distance from Portugal to Austin is about 4829 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portugal to Austin one-way?

    One-way options have recently been found by users for as low as $540 on British Airways. Other airlines that offer cheap prices include American Airlines from $658 and Lufthansa from $1,001 one-way.

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

    The most popular flight routes from Portugal to Austin are Lisbon Humberto Delgado - Austin Bergstrom, Porto - 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, December is the cheapest month in which you can book a flight from Portugal to Austin (average of $355). Flying from Portugal to Austin in April is currently the most expensive (average of $1,065). 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
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San Marcos
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Seguin
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