HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$245+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$467
(Mytrip)

One-way from

$245
(Cheapflightsfares)

Popular in

May

Cheapest in

January

Average price

$816
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. 18% potential increase in price ($214 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 6, 2025.

This Mytrip deal was found by Cheapflights users on 11/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:30 amAUS - LIS
1 stop15h 50mAir Canada
Thu 12/2510:55 amLIS - AUS
1 stop16h 32mAir Canada
Deal found 11/5$467
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:30 amAUS - LIS
1 stop15h 50mAir Canada
Sat 12/1311:20 amLIS - AUS
2 stops34h 25mAir Canada
Deal found 11/4$478
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:30 amAUS - LIS
1 stop15h 50mAir Canada
Sun 12/1410:50 amLIS - AUS
2 stops41h 54mAir Canada
Deal found 11/4$485
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:55 pmAUS - LIS
1 stop12h 05mDelta
Wed 12/1011:25 amLIS - AUS
1 stop34h 45mDelta
Deal found 11/4$486
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 amAUS - LIS
2 stops20h 20mAir Canada
Mon 12/1511:20 amLIS - AUS
2 stops30h 05mAir Canada
Deal found 11/4$489
This KLM deal was found by Cheapflights users on 11/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:05 pmAUS - LIS
1 stop18h 40mKLM
Thu 12/255:00 amLIS - AUS
1 stop17h 10mKLM
Deal found 11/6$490
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:05 pmAUS - LIS
1 stop13h 50mAir Canada
Mon 12/1511:20 amLIS - AUS
2 stops34h 25mAir Canada
Deal found 11/4$491
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:15 amAUS - LIS
2 stops18h 00mUnited Airlines
Thu 12/1110:55 amLIS - AUS
1 stop16h 32mUnited Airlines
Deal found 11/4$496
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:30 amAUS - LIS
1 stop15h 50mUnited Airlines
Wed 12/1011:00 amLIS - AUS
1 stop31h 19mUnited Airlines
Deal found 11/4$497
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:30 amAUS - LIS
1 stop15h 50mUnited Airlines
Tue 12/1611:55 amLIS - AUS
1 stop14h 48mUnited Airlines
Deal found 11/4$501
This United Airlines deal was found by Cheapflights users on 11/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:15 amAUS - LIS
2 stops18h 00mUnited Airlines
Mon 12/1511:20 amLIS - AUS
1 stop30h 59mUnited Airlines
Deal found 11/4$502
This KLM deal was found by Cheapflights users on 11/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:05 pmAUS - FNC
1 stop33h 30mKLM
Mon 12/810:25 amFNC - AUS
2 stops37h 07mKLM
Deal found 11/6$550

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 November 6, 2025.
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

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Thu 1/1

8:05 am-8:00 am

1 stop17h 55m

Lisbon Humberto Delgado

Thu 1/15

5:00 am-4:10 pm

1 stop17h 10m

$481

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 2/24

5:00 pm-10:15 am

1 stop11h 15m

Lisbon Humberto Delgado

Tue 3/3

11:20 am-10:45 pm

2 stops41h 25m

$482

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Thu 2/26

11:45 am-8:55 am

1 stop15h 10m

Lisbon Humberto Delgado

Sat 3/7

5:00 am-4:10 pm

1 stop17h 10m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 12/2

11:36 am-9:00 am

1 stop15h 24m

Lisbon Humberto Delgado

Thu 12/11

5:00 am-4:10 pm

1 stop17h 10m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Fri 12/5

7:25 am-8:00 am

1 stop18h 35m

Lisbon Humberto Delgado

Thu 12/11

5:00 am-4:10 pm

1 stop17h 10m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 12/2

11:36 am-9:00 am

1 stop15h 24m

Lisbon Humberto Delgado

Sun 12/7

11:25 am-4:10 pm

1 stop34h 45m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 2/24

7:50 am-9:20 am

2 stops19h 30m

Lisbon Humberto Delgado

Tue 3/3

5:00 am-12:19 pm

2 stops37h 19m

$488

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Thu 1/29

12:17 pm-9:20 am

2 stops15h 03m

Lisbon Humberto Delgado

Wed 2/4

11:20 am-3:16 pm

2 stops33h 56m

$489

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Thu 12/11

7:10 am-10:15 am

2 stops21h 05m

Lisbon Humberto Delgado

Thu 12/25

10:55 am-9:27 pm

1 stop16h 32m

$490

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Thu 12/11

10:15 am-10:15 am

2 stops18h 00m

Lisbon Humberto Delgado

Thu 12/25

10:55 am-9:27 pm

1 stop16h 32m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 50 results
1
2
3
...
5

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, March is the cheapest month in which you can book a flight from Austin to Portugal (average of $492). 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.

What is the cheapest time of day to fly from AUS to PT?

Find hourly flight availability from Austin to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Austin to Portugal by exploring options for tickets in the evening.

What is the cheapest day to fly from Austin to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Austin to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Austin to Portugal flight should consider departing on Monday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 6, 2025.
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
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

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
1,405 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

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
9,003 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

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
11,041 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

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
7,496 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

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 11h 15m. 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 American Airlines and Iberia, with prices starting from $245 and $250, 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, March is the cheapest month in which you can book a flight from Austin to Portugal (average of $492). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Heathrow flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Charles de Gaulle flights
Dallas/Fort Worth to Frankfurt flights
Hobby to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Dallas/Fort Worth to Madrid flights
Hobby to Istanbul flights
George Bush Intcntl to Heathrow flights
Dallas/Fort Worth to Barcelona-El Prat flights
Dallas/Fort Worth to Istanbul flights
Hobby to Charles de Gaulle flights
George Bush Intcntl to Istanbul flights
Hobby to Frankfurt flights
Love Field to Heathrow flights
Austin to Heathrow flights
Hobby to Madrid flights
Dallas/Fort Worth to Orly flights
Dallas/Fort Worth to Lisbon flights
George Bush Intcntl to Charles de Gaulle flights
Hobby to Leonardo da Vinci/Fiumicino flights
Love Field to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to Frankfurt flights
Hobby to Gatwick flights
Dallas/Fort Worth to London City flights
Dallas/Fort Worth to Amsterdam flights
Dallas/Fort Worth to Stansted flights
Love Field to Frankfurt flights
Hobby to London City flights
Love Field to Charles de Gaulle flights
Dallas/Fort Worth to Dublin flights
George Bush Intcntl to Madrid flights
Dallas/Fort Worth to Athens flights
Hobby to Amsterdam flights
George Bush Intcntl to Gatwick flights
Dallas/Fort Worth to Zurich flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
Austin to Charles de Gaulle flights
Dallas/Fort Worth to Malpensa flights
George Bush Intcntl to Amsterdam flights
Dallas/Fort Worth to Sabiha Gokcen flights
Love Field to Barcelona-El Prat flights
Hobby to Sabiha Gokcen flights
Hobby to Orly flights
George Bush Intcntl to Orly flights
George Bush Intcntl to London City flights
Dallas/Fort Worth to Oslo Gardermoen flights
Dallas/Fort Worth to Edinburgh flights
Austin to Gatwick flights
Love Field to Madrid flights

Top 10 airlines flying from Austin to Portugal

Discover the top 10 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$499Average$988FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$524Average$954FlexibilityNo cancel feeOn-time71%
KLMCheapest$531Average$977FlexibilityNo cancel feeOn-time75%
DeltaCheapest$565Average$1,057FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$581Average$1,199FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$604Average$1,133FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$633Average$893FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$759Average$1,031FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$941Average$1,385FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$968Average$1,267FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.