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Portugal

$286+ Cheap flights from Austin (AUS) to Portugal

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Mar 30 — Apr 61
Mon 3/30
Mon 4/6
1 adult, Economy
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Cheap flight deals from Austin to Portugal

Cheapest flights from Austin to Portugal
Explore the most affordable flight options available from Austin to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 28, 2026.

This Iberia deal was found by Cheapflights users on 2/26. 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.
Tue 4/710:30 pm
AUS
-
LIS
1 stop18h 30m
Multiple Airlines
Tue 4/218:25 am
LIS
-
AUS
2 stops17h 14m
Multiple Airlines
Deal found 2/26$504
This Finnair deal was found by Cheapflights users on 2/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:55 pm
AUS
-
LIS
2 stops19h 55m
Finnair
Tue 5/54:35 pm
LIS
-
AUS
2 stops31h 14m
Finnair
Deal found 2/24$505
This oojo deal was found by Cheapflights users on 2/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:30 pm
AUS
-
LIS
1 stop29h 35m
British Airways
Mon 4/275:10 pm
LIS
-
AUS
1 stop28h 15m
British Airways
Deal found 2/25$506
This Finnair deal was found by Cheapflights users on 2/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:16 pm
AUS
-
LIS
2 stops29h 09m
Finnair
Sun 4/196:35 am
LIS
-
AUS
2 stops23h 16m
Finnair
Deal found 2/24$508
This Finnair deal was found by Cheapflights users on 2/25. 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 4/141:55 pm
AUS
-
LIS
2 stops19h 55m
Finnair
Sun 4/196:35 am
LIS
-
AUS
2 stops23h 16m
Finnair
Deal found 2/25$509
This American Airlines deal was found by Cheapflights users on 2/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:55 pm
AUS
-
LIS
1 stop23h 15m
American Airlines
Mon 4/277:10 am
LIS
-
AUS
1 stop19h 25m
American Airlines
Deal found 2/24$510
This British Airways deal was found by Cheapflights users on 2/25. 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 4/2010:30 pm
AUS
-
LIS
1 stop18h 40m
British Airways
Wed 4/293:15 pm
LIS
-
AUS
1 stop30h 10m
British Airways
Deal found 2/25$511
This Finnair deal was found by Cheapflights users on 2/26. 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.
Fri 5/11:55 pm
AUS
-
LIS
2 stops27h 30m
Finnair
Wed 5/64:35 pm
LIS
-
AUS
2 stops31h 03m
Finnair
Deal found 2/26$513
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Tue 4/1410:30 pm
AUS
-
LIS
1 stop18h 30m
American Airlines
Sun 4/197:20 am
LIS
-
AUS
2 stops17h 54m
American Airlines
Deal found 2/25$519
This British Airways deal was found by Cheapflights users on 2/27. 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.
Sat 4/255:55 pm
AUS
-
LIS
1 stop16h 25m
Multiple Airlines
Tue 5/512:30 pm
LIS
-
AUS
2 stops16h 20m
Multiple Airlines
Deal found 2/27$520
This Trip.com deal was found by Cheapflights users on 2/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:55 pm
AUS
-
FNC
1 stop36h 25m
British Airways
Sat 5/91:10 pm
FNC
-
AUS
1 stop32h 15m
British Airways
Deal found 2/24$559
This Cheapflightsfares deal was found by Cheapflights users on 2/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:55 pm
AUS
-
FNC
1 stop18h 40m
British Airways
Tue 5/57:35 pm
FNC
-
AUS
1 stop25h 50m
British Airways
Deal found 2/27$560

Find flight deals from Austin to Portugal

Keep the following information in mind while searching for Austin to Portugal flight deals. Data was last updated February 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$504
(Iberia)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$657
Provider with most accurate pricing for Austin Bergstrom-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Lisbon Humberto Delgado flights.
Search Deals
From Austin Bergstrom to Portugal
Search Deals
One-way flight from Austin Bergstrom to Portugal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($247 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 February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Portugal 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 February 28, 2026.
Use the filters below to find and compare flights from Austin to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 4/14

1:55 pm-3:50 pm

2 stops19h 55m

Lisbon Humberto Delgado

Wed 4/22

6:35 am-11:51 pm

2 stops23h 16m

$509

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sat 4/25

5:55 pm-4:20 pm

1 stop16h 25m

Lisbon Humberto Delgado

Tue 5/5

12:30 pm-10:50 pm

2 stops16h 20m

$520

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 4/28

1:55 pm-3:50 pm

2 stops19h 55m

Lisbon Humberto Delgado

Tue 5/5

4:35 pm-5:49 pm

2 stops31h 14m

$525

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Fri 4/24

1:55 pm-3:50 pm

2 stops19h 55m

Lisbon Humberto Delgado

Mon 5/4

4:35 pm-5:49 pm

2 stops31h 14m

$525

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sat 4/25

12:16 pm-11:25 pm

2 stops29h 09m

Lisbon Humberto Delgado

Tue 5/5

4:35 pm-5:49 pm

2 stops31h 14m

$525

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 4/7

10:30 pm-11:00 pm

1 stop18h 30m

Lisbon Humberto Delgado

Mon 4/20

7:10 am-8:35 pm

1 stop19h 25m

$531

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 3/3

5:00 pm-10:15 am

1 stop11h 15m

Lisbon Humberto Delgado

Thu 3/12

11:20 am-8:44 pm

2 stops38h 24m

$537

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 3/3

4:00 pm-3:10 pm

2 stops17h 10m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-8:06 pm

2 stops20h 06m

$552

AustinFunchal

AUS - FNC

AUSFNC

Austin Bergstrom

Thu 4/30

5:55 pm-12:20 pm

1 stop36h 25m

Funchal Madeira

Sat 5/9

1:10 pm-3:25 pm

1 stop32h 15m

$559

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 4/22

1:55 pm-3:50 pm

2 stops19h 55m

Lisbon Humberto Delgado

Mon 4/27

6:35 am-11:51 pm

2 stops23h 16m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 54 resultsSorted by cheapest first
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6

Best time to book a flight from Austin to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Austin 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 Austin to Portugal

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

Currently, January is the cheapest month in which you can book a flight from Austin to Portugal (average of $417). Flying from Austin to Portugal in June is currently the most expensive (average of $785). 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.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated February 28, 2026.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Austin to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,245 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,461 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,362 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,367 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,772 reviews
Delta
7.9
Good
8,245 reviews

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Austin to Portugal. 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 from for flights from Austin to Portugal?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly out of when you book flights from Austin to Portugal.

  • How long is the flight from Austin to Portugal?

    Departing from Austin to Portugal will take you 19h 55m. Austin and Portugal are separated by a distance of 4874 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $245 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Lufthansa and Delta, with prices starting from $251 and $358, respectively.

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

    When deciding which route to take from Austin to Portugal consider Austin Bergstrom - Lisbon Humberto Delgado, Austin Bergstrom - Porto or Austin Bergstrom - Faro as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin to Portugal 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 Austin to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Austin to Portugal (average of $417). Flying from Austin to Portugal in June is currently the most expensive (average of $785). 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

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Top 9 airlines flying from Austin to Portugal

Discover the top 9 airlines that operate flights from Austin to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$512Average$869FlexibilityNo cancel feeOn-time70%
KLMCheapest$531Average$938FlexibilityNo cancel feeOn-time75%
DeltaCheapest$541Average$911FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$589Average$933FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$605Average$1,177FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$605Average$1,267FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$620Average$1,067FlexibilityNo cancel feeOn-time71%
IberiaCheapest$682Average$1,035FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$759Average$987FlexibilityNo cancel feeOn-time67%

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