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$508+ Cheap flights from Portugal to Austin (AUS)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — AUS
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Cheap flight deals from Portugal to Austin

Keep the following information in mind while searching for Portugal to Austin flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$769
(Mytrip)

One-way from

$508
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$808
Provider with most accurate pricing for Lisbon Humberto Delgado-Austin Bergstrom flight deals.
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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Austin Bergstrom flights.
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From Portugal to Austin Bergstrom
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One-way flight from Portugal to Austin Bergstrom
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Highest demand for flights based on searches. 7% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Portugal to Austin

Cheapest flights from Portugal to Austin
Explore the most affordable flight options available from Portugal to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Mytrip deal was found by Cheapflights users on 10/12. 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.
Thu 11/206:35 amOPO - AUS
3 stops34h 39mMultiple Airlines
Mon 12/16:10 amAUS - OPO
3 stops30h 05mMultiple Airlines
Deal found 10/12$769
This Delta deal was found by Cheapflights users on 10/11. 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 11/276:35 amOPO - AUS
1 stop15h 35mDelta
Mon 12/110:59 amAUS - OPO
2 stops17h 31mDelta
Deal found 10/11$821
This Delta deal was found by Cheapflights users on 10/12. 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 11/206:35 amOPO - AUS
1 stop15h 35mDelta
Mon 12/18:00 amAUS - OPO
2 stops20h 30mDelta
Deal found 10/12$823
This KLM deal was found by Cheapflights users on 10/12. 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 11/206:35 amOPO - AUS
1 stop15h 35mKLM
Mon 12/16:05 pmAUS - OPO
1 stop15h 20mKLM
Deal found 10/12$827
This KLM deal was found by Cheapflights users on 10/12. 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 11/276:35 amOPO - AUS
1 stop15h 35mKLM
Mon 12/16:05 pmAUS - OPO
1 stop15h 20mKLM
Deal found 10/12$829
This Delta deal was found by Cheapflights users on 10/11. 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 10/235:00 amLIS - AUS
1 stop17h 00mDelta
Wed 11/510:06 amAUS - LIS
2 stops19h 14mDelta
Deal found 10/11$829
This Air France deal was found by Cheapflights users on 10/11. 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 10/235:00 amLIS - AUS
1 stop17h 00mMultiple Airlines
Wed 11/57:25 amAUS - LIS
1 stop18h 35mMultiple Airlines
Deal found 10/11$833
This Delta deal was found by Cheapflights users on 10/11. 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 11/2511:25 amLIS - AUS
2 stops19h 03mDelta
Tue 12/21:55 pmAUS - LIS
2 stops19h 15mDelta
Deal found 10/11$835
This Expedia deal was found by Cheapflights users on 10/11. 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 11/257:05 amLIS - AUS
1 stop15h 45mBritish Airways
Tue 12/27:00 pmAUS - LIS
1 stop16h 40mBritish Airways
Deal found 10/11$850
This Delta deal was found by Cheapflights users on 10/11. 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.
Mon 11/35:00 amLIS - AUS
1 stop17h 10mDelta
Sun 11/166:50 pmAUS - LIS
1 stop31h 10mDelta
Deal found 10/11$862
This Iberia deal was found by Cheapflights users on 10/13. 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.
Sun 12/2111:05 amLIS - AUS
1 stop16h 52mMultiple Airlines
Sun 12/286:55 pmAUS - LIS
1 stop16h 50mMultiple Airlines
Deal found 10/13$863
This British Airways deal was found by Cheapflights users on 10/13. 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 12/217:05 amLIS - AUS
2 stops18h 05mBritish Airways
Sun 12/286:55 pmAUS - LIS
1 stop20h 50mBritish Airways
Deal found 10/13$874

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Austin 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 October 13, 2025.
Use the filters below to find and compare flights from Portugal to Austin that are best for you.

Fly from

Portugal

Fly to

Austin

Route

Depart

Return

Price

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 11/20

6:35 am-11:14 am

3 stops34h 39m

Austin Bergstrom

Mon 12/1

6:10 am-6:15 pm

3 stops30h 05m

$769

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 11/27

6:35 am-4:10 pm

1 stop15h 35m

Austin Bergstrom

Mon 12/1

10:59 am-10:30 am

2 stops17h 31m

$821

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 11/20

6:35 am-4:10 pm

1 stop15h 35m

Austin Bergstrom

Mon 12/1

8:00 am-10:30 am

2 stops20h 30m

$823

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 11/20

6:35 am-4:10 pm

1 stop15h 35m

Austin Bergstrom

Mon 12/1

6:05 pm-3:25 pm

1 stop15h 20m

$827

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 10/23

5:00 am-4:00 pm

1 stop17h 00m

Austin Bergstrom

Wed 11/5

10:06 am-11:20 am

2 stops19h 14m

$829

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Tue 11/25

11:25 am-12:28 am

2 stops19h 03m

Austin Bergstrom

Tue 12/2

1:55 pm-3:10 pm

2 stops19h 15m

$835

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 2/12

10:55 am-10:12 pm

2 stops17h 17m

Austin Bergstrom

Mon 2/16

6:55 pm-9:55 pm

1 stop21h 00m

$843

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 2/13

11:15 am-4:10 pm

1 stop34h 55m

Austin Bergstrom

Tue 2/17

5:40 am-10:30 am

2 stops22h 50m

$844

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Mon 11/10

6:20 am-1:26 pm

2 stops37h 06m

$523

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 1/1

6:45 am-10:11 am

2 stops33h 26m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Showing 1-10 of 19 results
1
2

Best time to book a flight from Portugal to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Portugal 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 Portugal to Austin

What is the cheapest month to book a flight from Portugal to Austin?

Currently, April is the cheapest month in which you can book a flight from Portugal to Austin (average of $531). Flying from Portugal to Austin in July is currently the most expensive (average of $924). 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 Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated October 13, 2025.
See what other customers who have flown with KLM from Portugal to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,402 reviews

Comfort

7.6

Food

7.2

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,402 reviews
KLM
7.7
Good
1,402 reviews

Comfort

7.6

Food

7.2

Boarding

7.8

Overall

7.7

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Austin. 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 into for flights to Austin from Portugal?

    Most people fly into Austin Bergstrom (AUS) if they book a flight to Austin from Portugal. Austin Bergstrom is conveniently located just 7.5 mi from Austin’s city center.

  • How long is the flight from Portugal to Austin?

    Departing from Portugal to Austin will take you 15h 35m. The distance from Portugal to Austin is about 4829 mi.

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

    The most popular flight routes from Portugal to Austin are Lisbon Humberto Delgado - Austin Bergstrom, Porto - Austin Bergstrom and Faro - Austin Bergstrom.

  • Can I find deals for flights from Portugal to Austin that include hotel bookings?

    Yes. In addition to deals on Portugal to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Austin.

  • Can I find deals for business class flights from Portugal to Austin?

    Yes. Cheapflights offers flight deals from Portugal to Austin 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 Portugal to Austin?

    Currently, April is the cheapest month in which you can book a flight from Portugal to Austin (average of $531). Flying from Portugal to Austin in July is currently the most expensive (average of $924). 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

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Round Rock
San Marcos
Fredericksburg
Cedar Park
Pflugerville
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Canyon Lake
Seguin
Horseshoe Bay

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Top airline flying from Portugal to Austin

Discover the top airline that operate flights from Portugal to Austin. 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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$809Average$1,055FlexibilityNo cancel feeOn-time75%

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