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Portugal

$239+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$532
(United Airlines)

One-way from

$239
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$933
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. 18% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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. 11/263:00 pmAUS - LIS
1 stop11h 10mUnited Airlines
mar. 12/911:20 amLIS - AUS
2 stops34h 25mUnited Airlines
Deal found 9/10$532
This United Airlines deal was found by Cheapflights users on 9/10. 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. 11/187:15 amAUS - LIS
1 stop21h 00mUnited Airlines
mié. 11/2611:20 amLIS - AUS
2 stops29h 47mUnited Airlines
Deal found 9/10$539
This United Airlines deal was found by Cheapflights users on 9/10. 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.
dom. 11/167:10 amAUS - LIS
2 stops19h 00mUnited Airlines
mié. 11/2611:20 amLIS - AUS
2 stops32h 04mUnited Airlines
Deal found 9/10$543
This Air Canada deal was found by Cheapflights users on 9/10. 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.
mar. 11/118:19 amAUS - LIS
2 stops19h 01mMultiple Airlines
mar. 11/185:00 amLIS - AUS
2 stops37h 19mMultiple Airlines
Deal found 9/10$545
This Air Canada deal was found by Cheapflights users on 9/10. 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.
lun. 11/171:05 pmAUS - LIS
2 stops38h 15mAir Canada
mié. 11/265:00 amLIS - AUS
2 stops37h 19mAir Canada
Deal found 9/10$547
This Finnair deal was found by Cheapflights users on 9/9. 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.
lun. 12/112:13 pmAUS - LIS
1 stop14h 52mMultiple Airlines
lun. 12/84:10 pmLIS - AUS
2 stops31h 27mMultiple Airlines
Deal found 9/9$549
This Air Canada deal was found by Cheapflights users on 9/10. 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.
mar. 11/187:10 amAUS - LIS
2 stops20h 10mAir Canada
mié. 11/2611:20 amLIS - AUS
2 stops39h 57mAir Canada
Deal found 9/10$551
This United Airlines deal was found by Cheapflights users on 9/11. 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.
lun. 11/175:05 pmAUS - LIS
1 stop11h 10mUnited Airlines
mié. 11/2611:20 amLIS - AUS
1 stop30h 59mUnited Airlines
Deal found 9/11$552
This Mytrip deal was found by Cheapflights users on 9/9. 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.
dom. 10/1210:00 amAUS - LIS
2 stops18h 45mMultiple Airlines
lun. 10/2010:45 pmLIS - AUS
2 stops27h 10mMultiple Airlines
Deal found 9/9$553
This United Airlines deal was found by Cheapflights users on 9/9. 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. 10/2211:15 amAUS - LIS
1 stop17h 50mUnited Airlines
mié. 11/510:15 amLIS - AUS
1 stop14h 07mUnited Airlines
Deal found 9/9$557
This United Airlines deal was found by Cheapflights users on 9/10. 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. 11/193:00 pmAUS - OPO
1 stop12h 30mUnited Airlines
mié. 11/266:00 amOPO - AUS
2 stops20h 45mUnited Airlines
Deal found 9/10$560
This United Airlines deal was found by Cheapflights users on 9/9. 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.
dom. 11/237:00 amAUS - OPO
2 stops20h 30mUnited Airlines
jue. 12/116:00 amOPO - AUS
2 stops20h 41mUnited Airlines
Deal found 9/9$564

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 septiembre 11, 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

mié. 11/26

1:05 pm-8:55 am

1 stop13h 50m

Lisbon Humberto Delgado

mar. 12/9

11:20 am-5:21 pm

3 stops36h 01m

$534

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 11/18

5:30 am-9:20 am

3 stops21h 50m

Lisbon Humberto Delgado

mié. 11/26

11:20 am-11:07 am

2 stops29h 47m

$539

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 11/17

1:05 pm-9:20 am

1 stop14h 15m

Lisbon Humberto Delgado

mié. 11/26

5:00 am-12:19 pm

2 stops37h 19m

$547

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 12/1

12:13 pm-9:05 am

1 stop14h 52m

Lisbon Humberto Delgado

lun. 12/8

4:10 pm-5:37 pm

2 stops31h 27m

$549

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 10/27

12:17 pm-10:15 am

1 stop16h 58m

Lisbon Humberto Delgado

mié. 11/12

12:25 pm-2:15 pm

1 stop31h 50m

$555

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 11/18

8:19 am-9:20 am

2 stops19h 01m

Lisbon Humberto Delgado

mar. 11/25

11:55 am-8:41 pm

1 stop14h 46m

$555

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 11/17

2:55 pm-9:05 am

1 stop12h 10m

Lisbon Humberto Delgado

mié. 11/26

11:05 am-9:53 pm

1 stop16h 48m

$555

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

dom. 11/16

7:15 am-10:15 am

1 stop21h 00m

Lisbon Humberto Delgado

mar. 11/25

10:15 am-6:22 pm

1 stop14h 07m

$555

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

mié. 11/19

3:00 pm-9:30 am

1 stop12h 30m

Porto

mié. 11/26

6:00 am-8:45 pm

2 stops20h 45m

$560

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

dom. 11/23

7:00 am-9:30 am

2 stops20h 30m

Porto

vie. 12/12

6:00 am-10:44 pm

2 stops22h 44m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 56 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 $612). Flying from Austin to Portugal in June is currently the most expensive (average of $1,127). 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 septiembre 11, 2025.

When flying from Austin to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 11, 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
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 13h 50m. 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, January is the cheapest month in which you can book a flight from Austin to Portugal (average of $612). Flying from Austin to Portugal in June is currently the most expensive (average of $1,127). 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 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$524Average$952FlexibilityNo cancel feeOn-time71%
IberiaCheapest$561Average$973FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$581Average$1,199FlexibilityNo cancel feeOn-time77%
DeltaCheapest$587Average$1,086FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$597Average$1,068FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$606Average$1,193FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$633Average$877FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$668Average$1,145FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$759Average$995FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$941Average$1,614FlexibilityNo cancel feeOn-time76%

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