Portugal

$340+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
abr. 10 — abr. 171
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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 marzo 11, 2026.

This Priceline deal was found by Cheapflights users on 3/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/91:55 pm
AUS
-
LIS
2 stops19h 55m
Finnair
mar. 4/144:35 pm
LIS
-
AUS
2 stops31h 14m
Finnair
Deal found 3/9$574
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/208:30 pm
AUS
-
LIS
2 stops20h 40m
British Airways
lun. 4/276:45 pm
LIS
-
AUS
1 stop26h 40m
British Airways
Deal found 3/6$613
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/810:50 am
AUS
-
OPO
2 stops18h 55m
Iberia
mar. 12/224:40 pm
OPO
-
AUS
2 stops30h 10m
Iberia
Deal found 3/9$615
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/710:30 pm
AUS
-
LIS
1 stop29h 35m
British Airways
mar. 4/2111:00 am
LIS
-
AUS
2 stops18h 51m
British Airways
Deal found 3/6$619
This Finnair deal was found by Cheapflights users on 3/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/135:55 pm
AUS
-
OPO
1 stop19h 35m
Multiple Airlines
lun. 10/268:40 pm
OPO
-
AUS
2 stops27h 17m
Multiple Airlines
Deal found 3/10$630
This Air France deal was found by Cheapflights users on 3/8. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/41:40 pm
AUS
-
LIS
2 stops15h 40m
Multiple Airlines
mié. 11/1111:25 am
LIS
-
AUS
1 stop34h 45m
Multiple Airlines
Deal found 3/8$630
This United Airlines deal was found by Cheapflights users on 3/9. 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. 12/22:00 pm
AUS
-
LIS
1 stop12h 10m
United Airlines
vie. 12/1111:20 am
LIS
-
AUS
2 stops35h 05m
United Airlines
Deal found 3/9$631
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/411:07 am
AUS
-
LIS
2 stops15h 03m
United Airlines
mié. 11/115:00 am
LIS
-
AUS
2 stops22h 53m
United Airlines
Deal found 3/8$638
This Air Canada deal was found by Cheapflights users on 3/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/1910:25 am
AUS
-
OPO
1 stop14h 35m
Air Canada
mié. 9/22:25 pm
OPO
-
AUS
2 stops27h 27m
Air Canada
Deal found 3/8$639
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/29:57 am
AUS
-
LIS
2 stops19h 23m
Delta
vie. 12/115:00 am
LIS
-
AUS
2 stops23h 57m
Delta
Deal found 3/9$639
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/132:00 pm
AUS
-
OPO
1 stop13h 30m
United Airlines
mar. 11/1712:30 pm
OPO
-
AUS
2 stops27h 52m
United Airlines
Deal found 3/8$642
This Booking.com deal was found by Cheapflights users on 3/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/47:00 pm
AUS
-
LIS
1 stop16h 40m
British Airways
mié. 11/117:05 am
LIS
-
AUS
1 stop15h 45m
British Airways
Deal found 3/8$642

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 marzo 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$574
(Priceline)

One-way from

$340
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$770
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. 18% potential increase in price ($193 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in March 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 marzo 11, 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

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

mar. 4/21

3:34 pm-3:25 pm

2 stops17h 51m

Porto

jue. 5/7

5:00 am-4:10 pm

1 stop17h 10m

$647

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 4/20

12:16 pm-11:25 pm

2 stops29h 09m

Lisbon Humberto Delgado

mar. 5/5

6:35 am-11:51 pm

2 stops23h 16m

$703

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 4/20

5:55 pm-11:10 pm

1 stop23h 15m

Lisbon Humberto Delgado

mar. 5/5

6:45 pm-3:25 pm

1 stop26h 40m

$704

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 4/7

4:55 pm-3:35 pm

2 stops16h 40m

Lisbon Humberto Delgado

mar. 4/14

4:30 pm-3:25 pm

1 stop28h 55m

$709

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mié. 4/22

1:55 pm-3:50 pm

2 stops19h 55m

Lisbon Humberto Delgado

lun. 4/27

4:35 pm-5:49 pm

2 stops31h 14m

$724

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

mié. 5/6

12:00 pm-3:25 pm

2 stops21h 25m

Porto

sáb. 5/23

5:00 am-4:10 pm

1 stop17h 10m

$737

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

vie. 4/17

10:30 pm-7:05 pm

1 stop14h 35m

Faro

mar. 4/21

11:30 am-3:25 pm

1 stop33h 55m

$742

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 4/27

7:15 am-8:20 am

2 stops19h 05m

Lisbon Humberto Delgado

mar. 5/5

11:25 am-2:13 pm

3 stops32h 48m

$745

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mié. 4/15

10:17 am-11:15 am

2 stops18h 58m

Lisbon Humberto Delgado

sáb. 4/25

5:35 am-9:56 pm

2 stops22h 21m

$752

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

lun. 5/4

4:47 pm-9:20 am

2 stops34h 33m

Lisbon Humberto Delgado

mar. 5/12

11:25 am-10:49 pm

2 stops41h 24m

$767

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 59 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, January is the cheapest month in which you can book a flight from Austin to Portugal (average of $417). 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 marzo 11, 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.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Food

7.2

Crew

8.5

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 40m. 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 American Airlines. You may also be able to find cheap deals on British Airways and Lufthansa, with prices starting from $245 and $251, 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, January is the cheapest month in which you can book a flight from Austin to Portugal (average of $417). 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 marzo 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$511Average$968FlexibilityNo cancel feeOn-time70%
KLMCheapest$531Average$938FlexibilityNo cancel feeOn-time75%
DeltaCheapest$541Average$911FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$557Average$900FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$605Average$1,034FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$605Average$1,267FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$620Average$1,059FlexibilityNo cancel feeOn-time71%
IberiaCheapest$648Average$943FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$759Average$987FlexibilityNo cancel feeOn-time67%

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