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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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
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 enero 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$437
(United Airlines)

One-way from

$243
(oojo)

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 enero 14, 2026.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/27:20 pm
AUS
-
OPO
1 stop32h 10m
United Airlines
mié. 3/1812:35 pm
OPO
-
AUS
1 stop16h 19m
United Airlines
Deal found 1/12$437
This United Airlines deal was found by Cheapflights users on 1/11. 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.
mar. 2/2412:19 pm
AUS
-
LIS
1 stop15h 56m
United Airlines
mar. 3/311:20 am
LIS
-
AUS
2 stops33h 35m
United Airlines
Deal found 1/11$437
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.
lun. 4/275:55 pm
AUS
-
LIS
1 stop15h 45m
Finnair
mar. 5/54:35 pm
LIS
-
AUS
2 stops31h 03m
Finnair
Deal found 1/12$438
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/75:55 pm
AUS
-
LIS
1 stop14h 35m
Multiple Airlines
mar. 4/214:35 pm
LIS
-
AUS
2 stops31h 03m
Multiple Airlines
Deal found 1/12$439
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.
mar. 3/36:31 pm
AUS
-
LIS
2 stops17h 09m
British Airways
jue. 3/127:00 am
LIS
-
AUS
2 stops21h 56m
British Airways
Deal found 1/13$445
This United Airlines deal was found by Cheapflights users on 1/11. 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.
mié. 2/254:10 pm
AUS
-
OPO
1 stop11h 20m
United Airlines
mié. 3/412:35 pm
OPO
-
AUS
1 stop14h 21m
United Airlines
Deal found 1/11$446
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.
mar. 2/107:00 pm
AUS
-
LIS
1 stop20h 45m
Multiple Airlines
mar. 2/176:30 am
LIS
-
AUS
2 stops20h 16m
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.
lun. 4/279:55 am
AUS
-
LIS
1 stop17h 25m
Lufthansa
mar. 5/51:00 pm
LIS
-
AUS
1 stop27h 53m
Lufthansa
Deal found 1/12$451
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/186:35 pm
AUS
-
LIS
2 stops17h 05m
Multiple Airlines
mar. 2/246:30 am
LIS
-
AUS
2 stops19h 35m
Multiple Airlines
Deal found 1/12$453
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/102:15 pm
AUS
-
LIS
2 stops19h 10m
Finnair
mar. 2/174:10 pm
LIS
-
AUS
2 stops31h 37m
Finnair
Deal found 1/12$455
This oojo deal was found by Cheapflights users on 1/11. 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.
mar. 2/107:00 pm
AUS
-
LIS
1 stop20h 45m
British Airways
mar. 2/174:00 pm
LIS
-
AUS
1 stop30h 50m
British Airways
Deal found 1/11$457
This American Airlines deal was found by Cheapflights users on 1/11. 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.
mar. 1/2011:45 am
AUS
-
OPO
2 stops18h 00m
American Airlines
mar. 1/278:20 am
OPO
-
AUS
2 stops19h 19m
American Airlines
Deal found 1/11$461

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 enero 14, 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

lun. 3/2

6:30 am-9:30 am

2 stops21h 00m

Porto

mié. 3/18

12:35 pm-11:54 pm

1 stop16h 19m

$437

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 4/27

5:55 pm-11:10 pm

1 stop23h 15m

Lisbon Humberto Delgado

mar. 5/5

4:35 pm-5:38 pm

2 stops31h 03m

$439

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mié. 4/29

8:30 am-2:10 pm

2 stops23h 40m

Lisbon Humberto Delgado

mié. 5/6

7:20 am-9:22 pm

2 stops20h 02m

$445

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 2/10

2:15 pm-3:25 pm

2 stops19h 10m

Lisbon Humberto Delgado

mar. 2/17

4:10 pm-5:47 pm

2 stops31h 37m

$455

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 3/3

7:20 am-9:00 am

1 stop19h 40m

Lisbon Humberto Delgado

jue. 3/12

10:40 am-11:35 pm

1 stop17h 55m

$457

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 4/9

4:48 pm-10:05 am

2 stops35h 17m

Lisbon Humberto Delgado

vie. 4/17

7:20 am-9:00 pm

2 stops19h 40m

$470

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

vie. 2/27

7:00 pm-5:55 pm

1 stop16h 55m

Lisbon Humberto Delgado

mar. 3/3

7:05 am-4:50 pm

1 stop15h 45m

$485

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mié. 2/25

7:00 pm-9:55 am

1 stop32h 55m

Lisbon Humberto Delgado

dom. 3/1

3:55 pm-4:50 pm

1 stop30h 55m

$485

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mié. 2/25

12:19 pm-10:15 am

1 stop15h 56m

Lisbon Humberto Delgado

dom. 3/1

11:55 am-11:15 pm

2 stops17h 20m

$487

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

vie. 2/27

9:43 am-8:10 am

2 stops16h 27m

Lisbon Humberto Delgado

mar. 3/3

10:15 am-6:19 pm

1 stop14h 04m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

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 enero 14, 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
8,039 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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
8,039 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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
1,437 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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
9,152 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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
11,116 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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
7,669 reviews
Delta
7.9
Good
8,039 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

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 10m. 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.

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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$531Average$965FlexibilityNo cancel feeOn-time75%
DeltaCheapest$541Average$889FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$600Average$1,052FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$605Average$1,394FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$605Average$1,336FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$605Average$1,039FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$609Average$973FlexibilityNo cancel feeOn-time70%
IberiaCheapest$682Average$1,043FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$759Average$1,031FlexibilityNo cancel feeOn-time67%

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