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
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$465
(AirNGo)

One-way from

$245
(Cheapflightsfares)

Popular in

May

Cheapest in

January

Average price

$834
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 ($211 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 octubre 30, 2025.

This AirNGo deal was found by Cheapflights users on 10/29. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2710:59 amAUS - LIS
2 stops15h 01mVirgin Atlantic
jue. 12/1110:40 amLIS - AUS
1 stop18h 40mVirgin Atlantic
Deal found 10/29$465
This Air France deal was found by Cheapflights users on 10/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/277:25 amAUS - LIS
1 stop18h 35mMultiple Airlines
jue. 12/115:00 amLIS - AUS
1 stop17h 10mMultiple Airlines
Deal found 10/30$481
This KLM deal was found by Cheapflights users on 10/30. 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.
jue. 11/2711:30 amAUS - LIS
1 stop15h 25mKLM
jue. 12/45:00 amLIS - AUS
1 stop17h 10mKLM
Deal found 10/30$486
This Delta deal was found by Cheapflights users on 10/30. 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.
jue. 11/2712:20 pmAUS - LIS
2 stops20h 50mDelta
jue. 12/45:00 amLIS - AUS
1 stop17h 10mDelta
Deal found 10/30$490
This Air France deal was found by Cheapflights users on 10/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/2711:25 amAUS - LIS
2 stops14h 35mMultiple Airlines
vie. 12/53:30 pmLIS - AUS
1 stop30h 40mMultiple Airlines
Deal found 10/30$491
This United Airlines deal was found by Cheapflights users on 10/29. 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.
jue. 11/2711:30 amAUS - LIS
1 stop15h 50mUnited Airlines
jue. 12/410:55 amLIS - AUS
2 stops34h 50mUnited Airlines
Deal found 10/29$528
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/277:10 amAUS - LIS
2 stops20h 10mMultiple Airlines
jue. 12/45:00 amLIS - AUS
2 stops21h 52mMultiple Airlines
Deal found 10/29$532
This Air France deal was found by Cheapflights users on 10/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1711:30 amAUS - LIS
1 stop15h 30mKLM
mié. 11/263:30 pmLIS - AUS
1 stop30h 40mKLM
Deal found 10/30$535
This Ovago deal was found by Cheapflights users on 10/29. 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.
mar. 11/1811:10 amAUS - FNC
2 stops22h 00mBritish Airways
mié. 11/264:00 pmFNC - AUS
1 stop30h 50mBritish Airways
Deal found 10/29$610
This Ovago deal was found by Cheapflights users on 10/30. 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.
mar. 12/304:10 pmAUS - OPO
1 stop13h 30mLufthansa
sáb. 1/106:00 amOPO - AUS
2 stops22h 47mLufthansa
Deal found 10/30$640
This Gotogate deal was found by Cheapflights users on 10/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/188:12 amAUS - FNC
2 stops24h 58mMultiple Airlines
mié. 11/262:10 pmFNC - AUS
2 stops32h 40mMultiple Airlines
Deal found 10/29$641
This KLM deal was found by Cheapflights users on 10/29. 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.
mar. 11/1810:59 amAUS - FAO
2 stops16h 31mKLM
mié. 11/266:55 pmFAO - AUS
1 stop27h 15mKLM
Deal found 10/29$652

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 octubre 30, 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

dom. 2/8

11:45 am-8:00 am

1 stop14h 15m

Lisbon Humberto Delgado

lun. 2/16

5:00 am-4:10 pm

1 stop17h 10m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 1/29

7:20 am-8:00 am

1 stop18h 40m

Lisbon Humberto Delgado

mié. 2/4

3:30 pm-4:10 pm

1 stop30h 40m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 11/27

12:20 pm-3:10 pm

2 stops20h 50m

Lisbon Humberto Delgado

jue. 12/4

5:00 am-4:10 pm

1 stop17h 10m

$490

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 2/3

4:00 pm-3:10 pm

2 stops17h 10m

Lisbon Humberto Delgado

sáb. 2/14

11:25 am-12:40 am

2 stops19h 15m

$500

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 2/26

12:15 pm-8:55 am

1 stop14h 40m

Lisbon Humberto Delgado

sáb. 3/7

5:00 am-4:10 pm

1 stop17h 10m

$511

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 2/26

12:35 pm-8:00 am

2 stops13h 25m

Lisbon Humberto Delgado

dom. 3/1

11:25 am-4:10 pm

1 stop34h 45m

$516

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 1/29

7:20 am-3:50 pm

3 stops26h 30m

Lisbon Humberto Delgado

mié. 2/4

7:05 am-9:27 pm

2 stops20h 22m

$531

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 2/26

8:00 am-8:55 am

2 stops18h 55m

Lisbon Humberto Delgado

sáb. 3/7

5:30 am-9:41 pm

2 stops22h 11m

$532

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

lun. 2/16

6:10 pm-3:25 pm

1 stop15h 15m

Porto

jue. 2/26

6:35 am-4:10 pm

1 stop15h 35m

$532

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 2/5

6:32 am-7:55 am

2 stops19h 23m

Lisbon Humberto Delgado

vie. 2/13

5:00 am-8:44 pm

2 stops21h 44m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 42 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 octubre 30, 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 octubre 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Iberia
7.0
Good
3,004 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,488 reviews
Delta
7.9
Good
7,998 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 14h 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 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 Frankfurt flights
Dallas/Fort Worth to Charles de Gaulle flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Istanbul flights
Hobby to Heathrow flights
Hobby to Istanbul flights
Dallas/Fort Worth to Madrid flights
George Bush Intcntl to Heathrow flights
George Bush Intcntl to Istanbul flights
Dallas/Fort Worth to Gatwick flights
Hobby to Charles de Gaulle flights
Hobby to Leonardo da Vinci/Fiumicino flights
Austin to Heathrow flights
Dallas/Fort Worth to Barcelona-El Prat flights
Love Field to Heathrow flights
Hobby to Gatwick flights
George Bush Intcntl to Charles de Gaulle flights
Dallas/Fort Worth to Orly flights
Hobby to London City flights
Hobby to Frankfurt flights
Dallas/Fort Worth to Lisbon flights
Dallas/Fort Worth to Sabiha Gokcen flights
Love Field to Frankfurt flights
Dallas/Fort Worth to Dublin flights
Love Field to Leonardo da Vinci/Fiumicino flights
Hobby to Madrid flights
Love Field to Charles de Gaulle flights
Dallas/Fort Worth to Amsterdam flights
George Bush Intcntl to Gatwick flights
George Bush Intcntl to Frankfurt flights
Hobby to Sabiha Gokcen flights
Austin to Frankfurt flights
Dallas/Fort Worth to London City flights
Dallas/Fort Worth to Stansted flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to Sabiha Gokcen flights
George Bush Intcntl to London City flights
George Bush Intcntl to Madrid flights
Hobby to Amsterdam flights
Dallas/Fort Worth to Zurich flights
Dallas/Fort Worth to Oslo Gardermoen flights
Austin to Charles de Gaulle flights
Dallas/Fort Worth to Athens flights
Hobby to Orly flights
George Bush Intcntl to Orly flights
Love Field to Madrid flights
Austin to Gatwick flights
Dallas/Fort Worth to Malpensa flights
George Bush Intcntl to Amsterdam 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$504Average$943FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$524Average$967FlexibilityNo cancel feeOn-time71%
KLMCheapest$531Average$993FlexibilityNo cancel feeOn-time75%
DeltaCheapest$565Average$1,064FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$581Average$1,199FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$605Average$1,130FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$633Average$895FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$759Average$1,031FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$901Average$1,145FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$941Average$1,380FlexibilityNo cancel feeOn-time76%

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.