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Portugal

$268+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$578
(United Airlines)

One-way from

$268
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,043
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. 17% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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 11/1112:17 pmAUS - LIS
1 stop15h 58mUnited Airlines
Tue 11/1811:20 amLIS - AUS
2 stops34h 02mUnited Airlines
Deal found 8/18$578
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 11/261:00 pmAUS - LIS
1 stop13h 55mUnited Airlines
Tue 12/911:20 amLIS - AUS
3 stops36h 01mUnited Airlines
Deal found 8/18$580
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/175:05 pmAUS - LIS
1 stop11h 10mUnited Airlines
Wed 12/311:00 amLIS - AUS
2 stops30h 25mUnited Airlines
Deal found 8/17$584
This Air Canada deal was found by Cheapflights users on 8/17. 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 10/2210:00 amAUS - LIS
1 stop17h 20mAir Canada
Wed 11/55:00 amLIS - AUS
2 stops37h 14mAir Canada
Deal found 8/17$586
This Air Canada deal was found by Cheapflights users on 8/17. 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 11/117:15 amAUS - LIS
2 stops20h 05mMultiple Airlines
Tue 11/185:00 amLIS - AUS
2 stops37h 14mMultiple Airlines
Deal found 8/17$591
This Ovago deal was found by Cheapflights users on 8/18. 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.
Sun 11/96:55 pmAUS - LIS
1 stop20h 50mBritish Airways
Fri 11/216:30 amLIS - AUS
2 stops23h 20mBritish Airways
Deal found 8/18$592
This Air Canada deal was found by Cheapflights users on 8/17. 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.
Mon 11/171:00 pmAUS - LIS
2 stops38h 20mAir Canada
Wed 11/265:00 amLIS - AUS
2 stops37h 14mAir Canada
Deal found 8/17$593
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 11/193:00 pmAUS - OPO
1 stop12h 30mUnited Airlines
Wed 11/266:00 amOPO - AUS
2 stops37h 24mUnited Airlines
Deal found 8/16$595
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 10/2210:00 amAUS - LIS
1 stop17h 20mUnited Airlines
Wed 11/510:15 amLIS - AUS
1 stop14h 07mUnited Airlines
Deal found 8/18$596
This United deal was found by Cheapflights users on 8/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:40 amAUS - OPO
1 stop15h 50mMultiple Airlines
Wed 11/2612:30 pmOPO - AUS
1 stop31h 45mMultiple Airlines
Deal found 8/17$599
This Iberia deal was found by Cheapflights users on 8/17. 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.
Sun 11/1612:10 pmAUS - LIS
1 stop14h 45mIberia
Wed 11/266:30 amLIS - AUS
2 stops21h 18mIberia
Deal found 8/17$599
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 11/193:00 pmAUS - OPO
1 stop12h 30mUnited Airlines
Thu 11/2712:30 pmOPO - AUS
2 stops33h 30mUnited Airlines
Deal found 8/17$609

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 August 18, 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

Tue 11/11

9:45 am-9:20 am

2 stops17h 35m

Lisbon Humberto Delgado

Tue 11/18

11:20 am-4:00 pm

2 stops34h 40m

$578

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 11/26

1:00 pm-8:55 am

1 stop13h 55m

Lisbon Humberto Delgado

Tue 12/9

11:20 am-12:04 pm

2 stops30h 44m

$580

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 11/19

3:00 pm-9:30 am

1 stop12h 30m

Porto

Wed 11/26

6:00 am-1:24 pm

2 stops37h 24m

$595

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 11/19

11:40 am-9:30 am

1 stop15h 50m

Porto

Wed 11/26

4:15 pm-2:15 pm

1 stop28h 00m

$599

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 11/19

3:00 pm-9:30 am

1 stop12h 30m

Porto

Thu 11/27

12:30 pm-4:00 pm

2 stops33h 30m

$609

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 11/19

11:40 am-9:30 am

1 stop15h 50m

Porto

Wed 11/26

12:30 pm-2:15 pm

1 stop31h 45m

$611

AustinFunchal

AUS - FNC

AUSFNC

Austin Bergstrom

Tue 9/30

6:12 pm-12:25 pm

2 stops36h 13m

Funchal Madeira

Tue 10/7

6:40 pm-12:39 am

2 stops35h 59m

$794

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Wed 10/1

4:05 pm-2:35 pm

1 stop16h 30m

Faro

Wed 10/8

4:40 pm-3:58 pm

2 stops29h 18m

$800

AustinFunchal

AUS - FNC

AUSFNC

Austin Bergstrom

Tue 9/30

4:18 pm-4:20 pm

2 stops42h 02m

Funchal Madeira

Tue 10/7

3:35 pm-2:20 pm

1 stop28h 45m

$815

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Sun 9/21

8:10 am-9:55 am

1 stop19h 45m

Faro

Sun 10/5

3:25 pm-2:20 pm

1 stop28h 55m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 39 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 August 18, 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 August 18, 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
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
2,884 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7,277 reviews
Delta
8.0
Very good
7,981 reviews

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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 17h 35m. 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 - Funchal Madeira 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$524Average$975FlexibilityNo cancel feeOn-time71%
IberiaCheapest$561Average$965FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$581Average$1,199FlexibilityNo cancel feeOn-time77%
DeltaCheapest$587Average$1,020FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$597Average$1,089FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$608Average$1,192FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$634Average$884FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$668Average$1,145FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$759Average$1,039FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$854Average$1,555FlexibilityNo cancel feeOn-time76%

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