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$416+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — AUS
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
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 July 24, 2026.

This Rumbo deal was found by Cheapflights users on 7/19. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:45 am
LIS
-
AUS
2 stops21h 15m
Multiple Airlines
Mon 11/306:55 pm
AUS
-
LIS
1 stop14h 00m
Multiple Airlines
Deal found 7/19$897
This Iberia deal was found by Cheapflights users on 7/19. 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.
Thu 8/2712:30 pm
LIS
-
AUS
2 stops16h 05m
Iberia
Wed 9/99:30 am
AUS
-
LIS
1 stop17h 35m
Iberia
Deal found 7/19$903
This Iberia deal was found by Cheapflights users on 7/19. 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.
Sun 11/17:45 am
LIS
-
AUS
2 stops20h 56m
Iberia
Sun 11/1512:50 pm
AUS
-
LIS
1 stop14h 15m
Iberia
Deal found 7/19$904
This Iberia deal was found by Cheapflights users on 7/20. 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.
Thu 12/38:20 am
OPO
-
AUS
2 stops18h 23m
Iberia
Sun 12/139:59 am
AUS
-
OPO
2 stops15h 41m
Iberia
Deal found 7/20$905
This Iberia deal was found by Cheapflights users on 7/19. 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.
Sun 11/227:45 am
LIS
-
AUS
2 stops21h 31m
Iberia
Mon 11/301:00 pm
AUS
-
LIS
2 stops16h 50m
Iberia
Deal found 7/19$906
This Iberia deal was found by Cheapflights users on 7/22. 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.
Thu 8/2712:30 pm
LIS
-
AUS
2 stops16h 05m
Iberia
Thu 9/107:25 am
AUS
-
LIS
1 stop19h 40m
Iberia
Deal found 7/22$907
This ResecentrumGruppen deal was found by Cheapflights users on 7/21. 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 ResecentrumGruppen is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 am
LIS
-
AUS
1 stop17h 10m
KLM
Thu 9/106:05 pm
AUS
-
LIS
1 stop14h 30m
KLM
Deal found 7/21$916
This Iberia deal was found by Cheapflights users on 7/24. 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 12/2111:05 am
LIS
-
AUS
1 stop16h 52m
Iberia
Mon 1/111:15 pm
AUS
-
LIS
1 stop13h 50m
Iberia
Deal found 7/24$917
This Iberia deal was found by Cheapflights users on 7/21. 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.
Fri 10/98:00 pm
FAO
-
AUS
2 stops32h 48m
Multiple Airlines
Fri 10/235:55 pm
AUS
-
FAO
1 stop14h 55m
Multiple Airlines
Deal found 7/21$937
This United Airlines deal was found by Cheapflights users on 7/23. 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 11/206:00 am
OPO
-
AUS
2 stops18h 55m
United Airlines
Mon 11/237:00 am
AUS
-
OPO
2 stops20h 30m
United Airlines
Deal found 7/23$941
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Thu 12/36:00 am
OPO
-
AUS
2 stops20h 56m
United Airlines
Sun 12/136:30 am
AUS
-
OPO
1 stop21h 00m
United Airlines
Deal found 7/20$954
This Delta deal was found by Cheapflights users on 7/21. 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.
Mon 9/145:00 am
OPO
-
AUS
1 stop17h 10m
Delta
Sun 9/203:50 pm
AUS
-
OPO
2 stops17h 40m
Delta
Deal found 7/21$955

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$897
(Rumbo)

One-way from

$416
(Kiwi.com)

Popular in

January

Cheapest in

May

Average price

$1,030
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. 6% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 24, 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 8/27

11:05 am-11:21 pm

1 stop18h 16m

Austin Bergstrom

Wed 9/9

9:30 am-9:05 am

1 stop17h 35m

$915

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 11/20

6:00 am-6:55 pm

2 stops18h 55m

Austin Bergstrom

Mon 11/23

7:15 am-9:30 am

1 stop20h 15m

$941

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 12/3

5:00 am-2:05 pm

1 stop15h 05m

Austin Bergstrom

Mon 12/7

9:35 am-8:10 am

2 stops16h 35m

$943

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Mon 12/21

5:00 am-9:22 pm

2 stops22h 22m

Austin Bergstrom

Mon 1/11

11:50 am-8:10 am

1 stop14h 20m

$949

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

5:00 am-3:05 pm

1 stop15h 05m

Austin Bergstrom

Sun 11/15

6:00 am-8:10 am

1 stop20h 10m

$952

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 12/3

6:00 am-8:56 pm

2 stops20h 56m

Austin Bergstrom

Sun 12/13

6:30 am-9:30 am

1 stop21h 00m

$954

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 9/3

5:00 am-9:58 pm

2 stops22h 58m

Austin Bergstrom

Wed 9/16

7:20 am-8:50 am

2 stops19h 30m

$955

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 8/27

5:00 am-8:53 pm

2 stops21h 53m

Austin Bergstrom

Wed 9/9

2:27 pm-2:55 pm

2 stops18h 28m

$957

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 9/14

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Sun 9/20

3:50 pm-10:25 am

1 stop12h 35m

$958
Quickest round-trip

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 9/3

11:25 am-8:12 pm

1 stop14h 47m

Austin Bergstrom

Wed 9/16

2:24 pm-10:30 am

2 stops14h 06m

$974

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 46 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, May is the cheapest month in which you can book a flight from Portugal to Austin (average of $724). Flying from Portugal to Austin in January is currently the most expensive (average of $1,656). 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 16m. The distance from Portugal to Austin is about 4874 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 $1,007 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, Faro - Austin Bergstrom and Porto - 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, May is the cheapest month in which you can book a flight from Portugal to Austin (average of $724). Flying from Portugal to Austin in January is currently the most expensive (average of $1,656). 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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Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
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