Portugal

$359+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
May 9 — May 161
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Cheap 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 April 9, 2026.

This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:55 am
AUS
-
LIS
1 stop17h 25m
United Airlines
Sat 12/1211:20 am
LIS
-
AUS
2 stops38h 46m
United Airlines
Deal found 4/6$705
This KLM deal was found by Cheapflights users on 4/6. 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 12/37:30 am
AUS
-
LIS
1 stop18h 30m
KLM
Sat 12/125:00 am
LIS
-
AUS
1 stop17h 10m
KLM
Deal found 4/6$706
This Finnair deal was found by Cheapflights users on 4/8. 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.
Tue 11/37:00 pm
AUS
-
LIS
1 stop20h 45m
Multiple Airlines
Mon 11/94:10 pm
LIS
-
AUS
2 stops32h 46m
Multiple Airlines
Deal found 4/8$709
This Air France deal was found by Cheapflights users on 4/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:40 pm
AUS
-
LIS
2 stops15h 40m
Multiple Airlines
Sat 12/125:00 am
LIS
-
AUS
1 stop17h 10m
Multiple Airlines
Deal found 4/6$710
This KLM deal was found by Cheapflights users on 4/6. 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.
Wed 12/210:52 am
AUS
-
LIS
2 stops16h 08m
KLM
Fri 12/1111:25 am
LIS
-
AUS
1 stop34h 45m
KLM
Deal found 4/6$711
This Air Canada deal was found by Cheapflights users on 4/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:10 pm
AUS
-
LIS
2 stops38h 40m
Air Canada
Fri 12/1111:20 am
LIS
-
AUS
2 stops30h 40m
Air Canada
Deal found 4/6$714
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Wed 12/210:34 am
AUS
-
LIS
2 stops17h 41m
United Airlines
Fri 12/1111:20 am
LIS
-
AUS
2 stops35h 05m
United Airlines
Deal found 4/4$716
This Iberia deal was found by Cheapflights users on 4/7. 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.
Tue 11/37:00 pm
AUS
-
LIS
1 stop20h 45m
Multiple Airlines
Tue 11/1011:05 am
LIS
-
AUS
1 stop16h 43m
Multiple Airlines
Deal found 4/7$719
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:40 am
AUS
-
LIS
2 stops20h 20m
Delta
Sat 12/125:00 am
LIS
-
AUS
2 stops23h 05m
Delta
Deal found 4/5$720
This eDestinos deal was found by Cheapflights users on 4/8. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:20 pm
AUS
-
LIS
1 stop14h 25m
Virgin Atlantic
Fri 5/112:45 pm
LIS
-
AUS
1 stop15h 29m
Virgin Atlantic
Deal found 4/8$721
This Expedia deal was found by Cheapflights users on 4/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:35 pm
AUS
-
LIS
2 stops18h 50m
Finnair
Mon 11/94:10 pm
LIS
-
AUS
2 stops32h 46m
Finnair
Deal found 4/8$724
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/57:30 pm
AUS
-
OPO
2 stops37h 45m
United Airlines
Wed 12/96:00 am
OPO
-
AUS
2 stops18h 44m
United Airlines
Deal found 4/5$766

Find flight deals from Austin to Portugal

Keep the following information in mind while searching for Austin to Portugal flight deals. Data was last updated April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$769
(Delta)

One-way from

$359
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$804
Provider with most accurate pricing for Austin Bergstrom-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Austin Bergstrom-Lisbon Humberto Delgado flights.
From Austin Bergstrom to Portugal
One-way flight from Austin Bergstrom to Portugal
Highest demand for flights based on searches. 17% potential increase in price ($181 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 9, 2026.
Use the filters below to find and compare flights from Austin to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Wed 5/6

2:20 pm-7:30 pm

2 stops23h 10m

Faro

Wed 5/13

8:20 pm-3:55 pm

2 stops25h 35m

$844

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Fri 4/24

6:00 pm-5:50 pm

2 stops17h 50m

Lisbon Humberto Delgado

Sat 5/9

5:00 am-4:10 pm

1 stop17h 10m

$859

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sat 5/9

1:00 pm-2:55 pm

2 stops19h 55m

Lisbon Humberto Delgado

Sat 5/16

5:00 am-8:33 pm

2 stops21h 33m

$860

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sat 5/9

10:30 pm-11:10 pm

1 stop18h 40m

Lisbon Humberto Delgado

Sat 5/16

6:55 pm-3:25 pm

1 stop26h 30m

$869

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Thu 5/7

2:48 pm-6:40 pm

2 stops21h 52m

Faro

Wed 5/20

8:10 am-10:35 pm

2 stops20h 25m

$869

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 4/22

7:20 am-10:45 am

1 stop21h 25m

Lisbon Humberto Delgado

Sun 4/26

11:55 am-4:10 pm

1 stop34h 15m

$876

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 5/4

5:55 pm-8:05 pm

1 stop20h 10m

Porto

Tue 5/19

8:55 pm-3:25 pm

1 stop24h 30m

$879

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 9/22

3:20 pm-2:30 pm

2 stops17h 10m

Lisbon Humberto Delgado

Fri 10/2

11:05 am-8:35 pm

1 stop15h 30m

$892

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Thu 5/7

10:30 pm-7:05 pm

1 stop14h 35m

Faro

Wed 5/20

8:00 pm-3:25 pm

1 stop25h 25m

$907

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 5/11

6:00 pm-5:50 pm

2 stops17h 50m

Lisbon Humberto Delgado

Mon 5/18

5:00 am-10:11 pm

2 stops23h 11m

$939

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Austin to Portugal (average of $404). Flying from Austin to Portugal in June is currently the most expensive (average of $785). 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.

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 April 9, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andUnited 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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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 17h 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 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 Lufthansa and Delta, with prices starting from $251 and $351, respectively.

  • What are the most popular routes from Austin to Portugal?

  • 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, April is the cheapest month in which you can book a flight from Austin to Portugal (average of $404). Flying from Austin to Portugal in June is currently the most expensive (average of $785). 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 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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$511Average$972FlexibilityNo cancel feeOn-time70%
KLMCheapest$531Average$924FlexibilityNo cancel feeOn-time75%
DeltaCheapest$541Average$887FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$557Average$880FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$600Average$1,059FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$605Average$1,034FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$605Average$1,267FlexibilityNo cancel feeOn-time72%
IberiaCheapest$648Average$883FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$759Average$987FlexibilityNo cancel feeOn-time67%

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