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$404+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
avr. 22 — avr. 291
mar. 4/22
mar. 4/29
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 avril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$812
(Air Canada)

One-way from

$404
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$961
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. 22% potential increase in price ($290 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 April 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 avril 17, 2025.

This United Airlines deal was found by Cheapflights users on 4/17. 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.
mer. 10/222:15 pmAUS - OPO
2 stops13h 30mUnited Airlines
mer. 11/1212:35 pmOPO - AUS
2 stops28h 32mUnited Airlines
Deal found 4/17$636
This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/2211:20 amAUS - OPO
2 stops25h 10mMultiple Airlines
mer. 11/124:30 pmOPO - AUS
1 stop27h 40mMultiple Airlines
Deal found 4/17$646
This Air Canada deal was found by Cheapflights users on 4/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/2411:59 amAUS - LIS
2 stops15h 21mMultiple Airlines
ven. 10/311:25 amLIS - AUS
2 stops29h 10mMultiple Airlines
Deal found 4/16$808
This United Airlines deal was found by Cheapflights users on 4/16. 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.
mar. 9/2310:00 amAUS - LIS
1 stop17h 20mUnited Airlines
lun. 10/1311:25 amLIS - AUS
3 stops39h 57mUnited Airlines
Deal found 4/16$810
This Air Canada deal was found by Cheapflights users on 4/17. 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.
mer. 5/711:30 amAUS - LIS
1 stop17h 35mAir Canada
mer. 5/1412:50 pmLIS - AUS
1 stop27h 50mAir Canada
Deal found 4/17$812
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 4/237:20 amAUS - LIS
1 stop18h 40mDelta
sam. 5/35:00 amLIS - AUS
1 stop17h 00mDelta
Deal found 4/16$821
This Ovago deal was found by Cheapflights users on 4/15. 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.
lun. 7/76:33 pmAUS - OPO
2 stops19h 17mBritish Airways
lun. 8/49:10 pmOPO - AUS
2 stops23h 45mBritish Airways
Deal found 4/15$835
This Gurufare deal was found by Cheapflights users on 4/16. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/65:45 pmAUS - LIS
1 stop23h 15mBritish Airways
ven. 5/168:25 amLIS - AUS
2 stops18h 15mBritish Airways
Deal found 4/16$835
This KLM deal was found by Cheapflights users on 4/15. 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.
ven. 11/142:05 pmAUS - LIS
1 stop12h 55mKLM
sam. 11/295:00 amLIS - AUS
1 stop17h 10mKLM
Deal found 4/15$836
This United Airlines deal was found by Cheapflights users on 4/17. 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.
dim. 5/45:05 amAUS - FAO
2 stops27h 30mUnited Airlines
mer. 5/143:25 pmFAO - AUS
1 stop28h 55mUnited Airlines
Deal found 4/17$845
This Air France deal was found by Cheapflights users on 4/17. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/281:40 pmAUS - LIS
2 stops15h 05mAir France
mar. 8/510:00 amLIS - AUS
1 stop13h 29mAir France
Deal found 4/17$873
This Delta deal was found by Cheapflights users on 4/15. 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.
lun. 7/72:40 pmAUS - OPO
2 stops18h 50mDelta
lun. 8/46:30 amOPO - AUS
1 stop15h 30mDelta
Deal found 4/15$874

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 avril 17, 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

mer. 5/7

11:30 am-11:05 am

1 stop17h 35m

Lisbon Humberto Delgado

mer. 5/14

12:50 pm-10:40 am

1 stop27h 50m

$812

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mer. 5/7

11:30 am-11:05 am

1 stop17h 35m

Lisbon Humberto Delgado

sam. 5/17

11:25 am-11:57 am

2 stops30h 32m

$817

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mer. 4/23

7:20 am-8:00 am

1 stop18h 40m

Lisbon Humberto Delgado

sam. 5/3

5:00 am-4:00 pm

1 stop17h 00m

$821

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 5/6

5:30 am-8:30 pm

3 stops33h 00m

Lisbon Humberto Delgado

mar. 5/13

6:25 am-1:10 pm

3 stops36h 45m

$824

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

dim. 5/11

11:30 am-6:15 pm

2 stops24h 45m

Porto

mer. 5/21

8:40 am-9:00 pm

2 stops18h 20m

$828

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

lun. 7/7

6:33 pm-7:50 pm

2 stops19h 17m

Porto

lun. 8/4

9:10 pm-2:55 pm

2 stops23h 45m

$835

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mar. 5/6

5:45 pm-11:00 pm

1 stop23h 15m

Lisbon Humberto Delgado

ven. 5/16

8:25 am-8:40 pm

2 stops18h 15m

$835

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

jeu. 8/21

5:46 am-7:05 am

2 stops19h 19m

Porto

mar. 9/9

12:50 pm-7:50 pm

3 stops37h 00m

$843

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

dim. 5/4

5:05 am-2:35 pm

2 stops27h 30m

Faro

mer. 5/14

3:25 pm-2:20 pm

1 stop28h 55m

$845

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

lun. 7/7

2:40 pm-3:30 pm

2 stops18h 50m

Porto

lun. 8/4

6:30 am-4:00 pm

1 stop15h 30m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 54 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 $1,203). 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 avril 17, 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.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 avril 17, 2025.
Read through reviews of airlines operating flights from Austin to Portugal, such as Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Austin to Portugal one-way?

    $544 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on United Airlines and British Airways, with prices starting from $591 and $597, respectively.

  • 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 $1,203). 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 8 airlines flying from Austin to Portugal

Discover the top 8 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 avril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$519Average$1,042FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$533Average$1,040FlexibilityNo cancel feeOn-time71%
DeltaCheapest$587Average$961FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$615Average$1,178FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$617Average$1,363FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$632Average$901FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$634Average$1,225FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$806Average$1,038FlexibilityNo cancel feeOn-time67%

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