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Portugal

$243+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Austin to Portugal

Keep the following information in mind while searching for Austin to Portugal flight deals. Data was last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$438
(Priceline)

One-way from

$247
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$720
Provider with most accurate pricing for Austin Bergstrom-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Lisbon Humberto Delgado flights.
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From Austin Bergstrom to Portugal
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One-way flight from Austin Bergstrom to Portugal
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Highest demand for flights based on searches. 19% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 15, 2026.

This Priceline deal was found by Cheapflights users on 1/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:55 pm
AUS
-
LIS
1 stop15h 45m
Finnair
Tue 5/54:35 pm
LIS
-
AUS
2 stops31h 03m
Finnair
Deal found 1/12$438
This United Airlines deal was found by Cheapflights users on 1/13. 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 3/26:30 am
AUS
-
OPO
2 stops21h 00m
United Airlines
Wed 3/1812:35 pm
OPO
-
AUS
2 stops24h 59m
United Airlines
Deal found 1/13$439
This Finnair deal was found by Cheapflights users on 1/14. 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 4/275:55 pm
AUS
-
LIS
1 stop23h 15m
Multiple Airlines
Tue 5/54:35 pm
LIS
-
AUS
2 stops31h 03m
Multiple Airlines
Deal found 1/14$439
This Ovago deal was found by Cheapflights users on 1/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/42:04 pm
AUS
-
LIS
1 stop12h 06m
Lufthansa
Fri 2/1310:55 am
LIS
-
AUS
2 stops41h 50m
Lufthansa
Deal found 1/14$440
This KAYAK deal was found by Cheapflights users on 1/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:25 pm
AUS
-
LIS
1 stop30h 45m
Lufthansa
Fri 2/1310:55 am
LIS
-
AUS
1 stop31h 24m
Lufthansa
Deal found 1/14$441
This oojo deal was found by Cheapflights users on 1/13. 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.
Wed 2/1811:19 am
AUS
-
LIS
2 stops18h 51m
British Airways
Wed 2/256:35 pm
LIS
-
AUS
1 stop28h 15m
British Airways
Deal found 1/13$442
This KAYAK deal was found by Cheapflights users on 1/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:52 am
AUS
-
LIS
1 stop18h 18m
Lufthansa
Thu 2/1211:20 am
LIS
-
AUS
1 stop16h 07m
Lufthansa
Deal found 1/14$447
This oojo deal was found by Cheapflights users on 1/13. 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.
Tue 3/37:00 pm
AUS
-
LIS
1 stop16h 40m
British Airways
Thu 3/127:00 am
LIS
-
AUS
2 stops21h 06m
British Airways
Deal found 1/13$448
This KAYAK deal was found by Cheapflights users on 1/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:10 pm
AUS
-
OPO
1 stop11h 20m
Lufthansa
Wed 3/1812:35 pm
OPO
-
AUS
1 stop16h 19m
Lufthansa
Deal found 1/15$449
This Iberia deal was found by Cheapflights users on 1/12. 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 2/107:00 pm
AUS
-
LIS
1 stop20h 45m
Multiple Airlines
Tue 2/176:30 am
LIS
-
AUS
2 stops19h 35m
Multiple Airlines
Deal found 1/12$449
This KAYAK deal was found by Cheapflights users on 1/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:55 am
AUS
-
LIS
1 stop17h 25m
Lufthansa
Tue 5/51:00 pm
LIS
-
AUS
1 stop27h 53m
Lufthansa
Deal found 1/12$451
This British Airways deal was found by Cheapflights users on 1/15. 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 2/111:21 am
AUS
-
OPO
2 stops23h 19m
British Airways
Wed 2/188:20 am
OPO
-
AUS
2 stops18h 55m
British Airways
Deal found 1/15$453

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 January 15, 2026.
Use the filters below to find and compare flights from Austin to Portugal that are best for you.

Fly from

Austin

Fly to

Portugal

Route

Depart

Return

Price

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 3/2

10:55 am-9:30 am

1 stop16h 35m

Porto

Wed 3/18

12:35 pm-11:54 pm

1 stop16h 19m

$439

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/13

5:55 pm-5:55 pm

1 stop18h 00m

Lisbon Humberto Delgado

Thu 4/30

4:35 pm-5:38 pm

2 stops31h 03m

$439

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/27

5:55 pm-11:10 pm

1 stop23h 15m

Lisbon Humberto Delgado

Tue 5/5

4:35 pm-5:38 pm

2 stops31h 03m

$439

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/27

10:30 pm-11:10 pm

1 stop18h 40m

Lisbon Humberto Delgado

Tue 5/5

7:10 am-8:35 pm

1 stop19h 25m

$457

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 2/4

2:04 pm-8:10 am

1 stop12h 06m

Lisbon Humberto Delgado

Tue 2/10

10:15 am-6:28 pm

1 stop14h 13m

$457

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sun 2/8

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

Thu 2/19

10:15 am-6:18 pm

1 stop14h 03m

$457

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 3/3

7:20 am-9:00 am

1 stop19h 40m

Lisbon Humberto Delgado

Thu 3/12

10:40 am-11:35 pm

1 stop17h 55m

$457

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 2/2

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

Tue 2/10

10:15 am-6:28 pm

1 stop14h 13m

$457

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/13

3:44 pm-3:45 pm

2 stops18h 01m

Lisbon Humberto Delgado

Thu 4/30

6:45 pm-7:46 pm

2 stops31h 01m

$458

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 2/3

7:20 am-10:30 am

2 stops21h 10m

Porto

Wed 2/18

11:15 am-4:10 pm

1 stop34h 55m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 58 results
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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 $456). Flying from Austin to Portugal in June is currently the most expensive (average of $787). 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 January 15, 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
8,049 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
8,049 reviews
Delta
7.9
Good
8,049 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
1,440 reviews
Delta
7.9
Good
8,049 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
9,164 reviews
Delta
7.9
Good
8,049 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
11,132 reviews
Delta
7.9
Good
8,049 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
7,676 reviews
Delta
7.9
Good
8,049 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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 12h 06m. 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?

    $295 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 Delta and United Airlines, with prices starting from $380 and $396, 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 $456). Flying from Austin to Portugal in June is currently the most expensive (average of $787). 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.

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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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$531Average$967FlexibilityNo cancel feeOn-time75%
DeltaCheapest$541Average$892FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$600Average$1,051FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$604Average$1,037FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$605Average$1,394FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$605Average$1,336FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$609Average$973FlexibilityNo cancel feeOn-time70%
IberiaCheapest$682Average$1,035FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$759Average$1,031FlexibilityNo cancel feeOn-time67%

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