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Portugal

$278+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — LIS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$638
(Mytrip)

One-way from

$278
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,146
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 ($274 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Mytrip deal was found by Cheapflights users on 7/3. 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.
Wed 9/1710:00 amAUS - OPO
3 stops24h 35mMultiple Airlines
Tue 9/2310:00 pmOPO - AUS
2 stops22h 20mMultiple Airlines
Deal found 7/3$638
This Iberia deal was found by Cheapflights users on 7/1. 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.
Fri 12/51:45 pmAUS - OPO
2 stops16h 00mIberia
Tue 12/912:25 pmOPO - AUS
2 stops38h 52mIberia
Deal found 7/1$665
This Delta deal was found by Cheapflights users on 7/2. 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.
Fri 12/55:30 amAUS - OPO
2 stops23h 00mDelta
Tue 12/911:45 amOPO - AUS
2 stops36h 51mDelta
Deal found 7/2$716
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/1710:00 amAUS - OPO
1 stop17h 20mUnited Airlines
Tue 9/2312:50 pmOPO - AUS
2 stops35h 25mUnited Airlines
Deal found 7/3$726
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Mon 9/87:15 amAUS - LIS
1 stop21h 15mUnited Airlines
Wed 9/1712:50 pmLIS - AUS
1 stop27h 45mUnited Airlines
Deal found 7/1$793
This Booking.com deal was found by Cheapflights users on 7/2. 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.
Wed 9/310:00 amAUS - LIS
1 stop17h 20mMultiple Airlines
Tue 9/912:15 pmLIS - AUS
1 stop32h 05mMultiple Airlines
Deal found 7/2$795
This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:15 amAUS - LIS
1 stop17h 50mAir Canada
Wed 9/311:25 amLIS - AUS
2 stops29h 10mAir Canada
Deal found 7/2$796
This Lufthansa deal was found by Cheapflights users on 7/1. 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.
Thu 12/254:10 pmAUS - LIS
2 stops25h 20mLufthansa
Mon 12/296:10 amLIS - AUS
2 stops38h 05mLufthansa
Deal found 7/1$805
This Iberia deal was found by Cheapflights users on 7/1. 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 9/911:52 amAUS - LIS
2 stops29h 33mIberia
Mon 9/158:45 pmLIS - AUS
2 stops30h 57mIberia
Deal found 7/1$809
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Mon 8/1811:15 amAUS - OPO
2 stops16h 20mAir Canada
Sun 8/2411:20 amOPO - AUS
2 stops29h 09mAir Canada
Deal found 7/2$812
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 9/175:45 pmAUS - LIS
1 stop18h 10mAmerican Airlines
Wed 9/246:35 amLIS - AUS
2 stops18h 12mAmerican Airlines
Deal found 7/2$813
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:45 pmAUS - LIS
1 stop23h 20mBritish Airways
Tue 9/166:45 pmLIS - AUS
1 stop27h 05mBritish Airways
Deal found 7/1$816

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 July 3, 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

Wed 9/17

10:00 am-4:35 pm

3 stops24h 35m

Porto

Tue 9/23

10:00 pm-2:20 pm

2 stops22h 20m

$638

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 9/17

10:00 am-9:20 am

1 stop17h 20m

Porto

Tue 9/23

12:50 pm-6:15 pm

2 stops35h 25m

$726

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 9/8

7:15 am-10:30 am

1 stop21h 15m

Lisbon Humberto Delgado

Wed 9/17

12:50 pm-10:35 am

1 stop27h 45m

$793

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 9/3

10:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Tue 9/9

12:15 pm-2:20 pm

1 stop32h 05m

$795

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 8/27

11:15 am-11:05 am

1 stop17h 50m

Lisbon Humberto Delgado

Wed 9/3

11:25 am-10:35 am

2 stops29h 10m

$796

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Thu 12/25

4:10 pm-11:30 pm

2 stops25h 20m

Lisbon Humberto Delgado

Mon 12/29

6:10 am-2:15 pm

2 stops38h 05m

$805

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 9/9

11:52 am-11:25 pm

2 stops29h 33m

Lisbon Humberto Delgado

Mon 9/15

8:45 pm-9:42 pm

2 stops30h 57m

$809

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 8/18

11:15 am-9:35 am

2 stops16h 20m

Porto

Sun 8/24

11:20 am-10:29 am

2 stops29h 09m

$812

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 9/17

5:45 pm-5:55 pm

1 stop18h 10m

Lisbon Humberto Delgado

Wed 9/24

6:35 am-6:47 pm

2 stops18h 12m

$813

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sun 9/7

5:45 pm-10:05 am

1 stop34h 20m

Lisbon Humberto Delgado

Thu 9/18

6:40 pm-3:50 pm

1 stop27h 10m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 45 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 $1,130). 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 July 3, 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.

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 July 3, 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
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,416 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    $569 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on United Airlines and Iberia, with prices starting from $576 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 - Funchal Madeira 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 $1,130). 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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$533Average$963FlexibilityNo cancel feeOn-time71%
IberiaCheapest$561Average$962FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$581Average$1,208FlexibilityNo cancel feeOn-time77%
DeltaCheapest$587Average$1,017FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$597Average$1,104FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$617Average$1,544FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$623Average$1,180FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$632Average$890FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$668Average$1,145FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$670Average$987FlexibilityNo cancel feeOn-time67%

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