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Portugal

$282+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
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 November 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$434
(oojo)

One-way from

$282
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$800
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. 18% potential increase in price ($212 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 November 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 November 29, 2025.

This United Airlines deal was found by Cheapflights users on 11/26. 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 12/37:15 amAUS - LIS
1 stop21h 00mUnited Airlines
Wed 12/1011:00 amLIS - AUS
2 stops32h 35mUnited Airlines
Deal found 11/26$439
This CheapOair deal was found by Cheapflights users on 11/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:05 pmAUS - LIS
1 stop13h 50mMultiple Airlines
Wed 12/1011:00 amLIS - AUS
1 stop31h 19mMultiple Airlines
Deal found 11/26$454
This Mytrip deal was found by Cheapflights users on 11/27. 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 12/411:30 amAUS - LIS
1 stop15h 50mMultiple Airlines
Thu 12/1110:55 amLIS - AUS
1 stop16h 32mMultiple Airlines
Deal found 11/27$473
This Mytrip deal was found by Cheapflights users on 11/27. 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 12/411:30 amAUS - LIS
1 stop15h 50mAir Canada
Thu 12/1110:55 amLIS - AUS
2 stops41h 49mAir Canada
Deal found 11/27$478
This Virgin Atlantic deal was found by Cheapflights users on 11/26. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:55 pmAUS - LIS
1 stop12h 05mVirgin Atlantic
Tue 12/911:15 amLIS - AUS
1 stop18h 05mVirgin Atlantic
Deal found 11/26$506
This United Airlines deal was found by Cheapflights users on 11/26. 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.
Fri 12/59:45 amAUS - LIS
2 stops16h 25mUnited Airlines
Tue 12/910:15 amLIS - AUS
2 stops18h 29mUnited Airlines
Deal found 11/26$510
This United Airlines deal was found by Cheapflights users on 11/26. 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 12/27:15 amAUS - LIS
1 stop21h 00mUnited Airlines
Thu 12/1810:55 amLIS - AUS
2 stops41h 52mUnited Airlines
Deal found 11/26$532
This Booking.com deal was found by Cheapflights users on 11/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:14 pmAUS - LIS
1 stop16h 01mMultiple Airlines
Thu 12/1810:55 amLIS - AUS
1 stop16h 32mMultiple Airlines
Deal found 11/26$540
This Cheapflightsfares deal was found by Cheapflights users on 11/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:25 amAUS - LIS
1 stop14h 45mLufthansa
Fri 12/55:00 amLIS - AUS
2 stops21h 43mLufthansa
Deal found 11/27$579
This CheapOair deal was found by Cheapflights users on 11/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:30 amAUS - LIS
1 stop15h 50mAir Canada
Fri 12/511:20 amLIS - AUS
2 stops30h 44mAir Canada
Deal found 11/27$584
This Mytrip deal was found by Cheapflights users on 11/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:13 pmAUS - PDL
2 stops29h 32mMultiple Airlines
Tue 12/99:25 amPDL - AUS
2 stops31h 43mMultiple Airlines
Deal found 11/29$801
This oojo deal was found by Cheapflights users on 11/28. 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.
Tue 12/309:00 amAUS - OPO
2 stops16h 40mIberia
Sat 1/108:40 pmOPO - AUS
2 stops30h 59mIberia
Deal found 11/28$906

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 29, 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

Sun 2/8

6:55 pm-5:45 pm

1 stop16h 50m

Lisbon Humberto Delgado

Mon 2/16

10:35 am-4:50 pm

1 stop36h 15m

$434

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 12/3

7:15 am-10:15 am

1 stop21h 00m

Lisbon Humberto Delgado

Wed 12/10

11:00 am-1:35 pm

2 stops32h 35m

$439

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 1/11

4:10 pm-10:25 pm

1 stop24h 15m

Porto

Mon 1/26

6:00 am-8:49 pm

2 stops20h 49m

$441

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 1/21

7:10 am-8:55 am

1 stop19h 45m

Lisbon Humberto Delgado

Wed 1/28

4:10 pm-6:15 pm

2 stops32h 05m

$444

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sun 2/8

7:10 am-9:05 am

1 stop19h 55m

Lisbon Humberto Delgado

Mon 2/16

4:10 pm-5:44 pm

2 stops31h 34m

$445

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 12/3

1:05 pm-8:55 am

1 stop13h 50m

Lisbon Humberto Delgado

Wed 12/10

11:00 am-12:19 pm

1 stop31h 19m

$454

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 1/21

6:00 am-12:10 pm

2 stops24h 10m

Lisbon Humberto Delgado

Wed 1/28

7:05 am-10:34 pm

2 stops21h 29m

$457

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Fri 2/20

12:19 pm-10:15 am

1 stop15h 56m

Lisbon Humberto Delgado

Tue 3/3

11:20 am-8:44 pm

2 stops39h 24m

$458

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 1/11

4:59 pm-4:40 pm

2 stops17h 41m

Porto

Mon 1/26

12:25 pm-1:43 pm

2 stops31h 18m

$466

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 2/11

10:46 am-10:30 am

2 stops17h 44m

Porto

Sat 2/21

5:00 am-4:10 pm

1 stop17h 10m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Showing 1-10 of 37 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, 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 July 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 29, 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 Sunday evenings 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 29, 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
8,010 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

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
8,010 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

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
1,423 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

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
9,056 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

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
11,043 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

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
7,544 reviews
Delta
7.9
Good
8,010 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

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 16h 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, 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 July 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.

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Alternative routes for Austin to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$531Average$968FlexibilityNo cancel feeOn-time75%
DeltaCheapest$541Average$1,079FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$581Average$1,199FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$600Average$1,049FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$603Average$1,127FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$633Average$978FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$759Average$1,031FlexibilityNo cancel feeOn-time67%
IberiaCheapest$765Average$1,022FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$936Average$1,363FlexibilityNo cancel feeOn-time76%

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