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Portugal

$422+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$651
(Expedia)

One-way from

$422
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,253
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 ($279 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Expedia deal was found by Cheapflights users on 4/30. 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 10/145:26 amAUS - OPO
2 stops32h 04mMultiple Airlines
Tue 10/288:40 pmOPO - AUS
2 stops32h 14mMultiple Airlines
Deal found 4/30$651
This United Airlines deal was found by Cheapflights users on 4/30. 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 10/149:46 amAUS - OPO
2 stops17h 59mUnited Airlines
Tue 10/2812:35 pmOPO - AUS
1 stop16h 11mUnited Airlines
Deal found 4/30$726
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/215:56 pmAUS - OPO
2 stops15h 59mAmerican Airlines
Tue 9/912:20 pmOPO - AUS
2 stops17h 32mAmerican Airlines
Deal found 4/30$777
This Delta deal was found by Cheapflights users on 4/30. 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.
Wed 5/142:05 pmAUS - OPO
2 stops19h 25mDelta
Tue 5/204:20 pmOPO - AUS
2 stops23h 45mDelta
Deal found 4/30$785
This Lufthansa deal was found by Cheapflights users on 4/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/224:00 pmAUS - LIS
1 stop17h 05mLufthansa
Fri 11/2812:30 pmLIS - AUS
1 stop31h 40mLufthansa
Deal found 4/30$830
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Thu 9/42:14 pmAUS - LIS
1 stop12h 51mIberia
Thu 9/1811:05 amLIS - AUS
1 stop17h 43mIberia
Deal found 4/30$831
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/204:00 pmAUS - LIS
1 stop17h 05mMultiple Airlines
Sat 11/2911:00 amLIS - AUS
2 stops30h 13mMultiple Airlines
Deal found 4/30$834
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/153:24 pmAUS - LIS
1 stop11h 41mAmerican Airlines
Sat 8/2311:05 amLIS - AUS
2 stops15h 07mAmerican Airlines
Deal found 4/30$838
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2710:00 amAUS - LIS
1 stop17h 20mUnited Airlines
Tue 6/311:25 amLIS - AUS
2 stops38h 48mUnited Airlines
Deal found 4/29$840
This Gotogate deal was found by Cheapflights users on 4/30. 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.
Sun 6/87:00 amAUS - LIS
2 stops20h 20mAir Canada
Tue 6/2411:25 amLIS - AUS
2 stops30h 29mAir Canada
Deal found 4/30$846
This CheapOair deal was found by Cheapflights users on 4/30. 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.
Sun 7/276:05 amAUS - LIS
2 stops19h 40mBritish Airways
Mon 8/45:05 pmLIS - AUS
1 stop28h 45mBritish Airways
Deal found 4/30$849
This Delta deal was found by Cheapflights users on 4/30. 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.
Tue 7/16:35 pmAUS - LIS
2 stops17h 15mDelta
Thu 7/1010:00 amLIS - AUS
2 stops18h 08mDelta
Deal found 4/30$850

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 May 1, 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

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 10/14

5:26 am-7:30 pm

2 stops32h 04m

Porto

Tue 10/28

8:40 pm-11:54 pm

2 stops32h 14m

$651

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 10/14

9:46 am-9:45 am

2 stops17h 59m

Porto

Tue 10/28

12:35 pm-11:46 pm

1 stop16h 11m

$726

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 8/21

5:56 pm-3:55 pm

2 stops15h 59m

Porto

Tue 9/9

12:20 pm-11:52 pm

2 stops17h 32m

$777

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 5/14

2:05 pm-3:30 pm

2 stops19h 25m

Porto

Tue 5/20

4:20 pm-10:05 am

2 stops23h 45m

$785

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 5/27

10:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Tue 6/3

11:25 am-8:13 pm

2 stops38h 48m

$840

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 5/14

12:50 pm-9:50 pm

2 stops27h 00m

Lisbon Humberto Delgado

Sat 5/24

5:55 am-10:40 am

2 stops34h 45m

$843

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sun 6/8

7:00 am-9:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Tue 6/24

11:25 am-11:54 am

2 stops30h 29m

$846

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sun 7/27

6:05 am-7:45 am

2 stops19h 40m

Lisbon Humberto Delgado

Mon 8/4

5:05 pm-3:50 pm

1 stop28h 45m

$849

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 7/1

6:35 pm-5:50 pm

2 stops17h 15m

Lisbon Humberto Delgado

Thu 7/10

10:00 am-10:08 pm

2 stops18h 08m

$850

AustinFaro

AUS - FAO

AUSFAO

Austin Bergstrom

Wed 6/4

2:20 pm-11:00 pm

3 stops26h 40m

Faro

Thu 6/12

7:00 am-9:39 am

2 stops32h 39m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 53 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 $1,178). 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 May 1, 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 May 1, 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
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

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.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

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
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

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?

    $557 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 Finnair and Air Canada, with prices starting from $591 and $598, 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 $1,178). 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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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 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$519Average$1,049FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$533Average$1,033FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$581Average$1,208FlexibilityNo cancel feeOn-time77%
DeltaCheapest$587Average$1,042FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$615Average$1,139FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$617Average$1,631FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$632Average$913FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$636Average$1,216FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$668Average$1,145FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$759Average$1,011FlexibilityNo cancel feeOn-time67%

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