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$457+ Cheap flights from Porto (OPO) 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — AUS
ene. 22 — ene. 291
jue. 1/22
jue. 1/29
1 adult, Economy
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Cheap flight deals from Porto to Austin

Best flights from Porto to Austin
Discover carefully curated flight deals from Porto to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 23, 2025.

This Iberia deal was found by Cheapflights users on 12/21. 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.
sáb. 1/178:40 pmOPO - AUS
2 stops30h 52mIberia
dom. 1/252:15 pmAUS - OPO
2 stops15h 30mIberia
Deal found 12/21$739
This American Airlines deal was found by Cheapflights users on 12/20. 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.
jue. 1/158:20 amOPO - AUS
2 stops20h 08mAmerican Airlines
lun. 1/197:24 pmAUS - OPO
2 stops34h 21mAmerican Airlines
Deal found 12/20$739
This Air France deal was found by Cheapflights users on 12/21. 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.
sáb. 1/175:00 amOPO - AUS
1 stop17h 10mMultiple Airlines
dom. 1/2512:34 pmAUS - OPO
2 stops15h 56mMultiple Airlines
Deal found 12/21$771
This Delta deal was found by Cheapflights users on 12/22. 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.
jue. 2/55:00 amOPO - AUS
1 stop17h 10mDelta
jue. 2/126:05 pmAUS - OPO
1 stop22h 20mDelta
Deal found 12/22$777
This Lufthansa deal was found by Cheapflights users on 12/21. 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.
sáb. 1/1712:30 pmOPO - AUS
1 stop31h 45mLufthansa
dom. 1/254:10 pmAUS - OPO
1 stop24h 15mLufthansa
Deal found 12/21$872
This American Airlines deal was found by Cheapflights users on 12/22. 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.
jue. 2/58:20 amOPO - AUS
2 stops20h 40mAmerican Airlines
jue. 2/1210:23 amAUS - OPO
2 stops15h 17mAmerican Airlines
Deal found 12/22$749
This Mytrip deal was found by Cheapflights users on 12/22. 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.
jue. 2/54:45 pmOPO - AUS
3 stops36h 39mMultiple Airlines
jue. 2/1211:30 amAUS - OPO
2 stops18h 35mMultiple Airlines
Deal found 12/22$848

Find flight deals from Porto to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$739
(American Airlines)

One-way from

$457
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,134
Provider with most accurate pricing for Porto-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-Austin Bergstrom flights.
Search Deals
From Porto to Austin Bergstrom
Search Deals
One-way flight from Porto to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto 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 diciembre 23, 2025.
Use the filters below to find and compare flights from Porto to Austin that are best for you.

Fly from

Porto

Fly to

Austin

Route

Depart

Return

Price

PortoAustin

OPO - AUS

OPOAUS

Porto

sáb. 1/17

8:40 pm-9:32 pm

2 stops30h 52m

Austin Bergstrom

dom. 1/25

2:15 pm-11:45 am

2 stops15h 30m

$739

PortoAustin

OPO - AUS

OPOAUS

Porto

jue. 1/15

8:20 am-10:28 pm

2 stops20h 08m

Austin Bergstrom

lun. 1/19

7:24 pm-11:45 am

2 stops34h 21m

$739

PortoAustin

OPO - AUS

OPOAUS

Porto

jue. 2/5

8:20 am-11:00 pm

2 stops20h 40m

Austin Bergstrom

jue. 2/12

10:23 am-7:40 am

2 stops15h 17m

$749

PortoAustin

OPO - AUS

OPOAUS

Porto

sáb. 1/17

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

dom. 1/25

12:34 pm-10:30 am

2 stops15h 56m

$771

PortoAustin

OPO - AUS

OPOAUS

Porto

jue. 2/5

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

jue. 2/12

6:05 pm-10:25 pm

1 stop22h 20m

$777

PortoAustin

OPO - AUS

OPOAUS

Porto

jue. 2/5

4:45 pm-11:24 pm

3 stops36h 39m

Austin Bergstrom

jue. 2/12

11:30 am-12:05 pm

2 stops18h 35m

$848

PortoAustin

OPO - AUS

OPOAUS

Porto

sáb. 1/17

12:30 pm-2:15 pm

1 stop31h 45m

Austin Bergstrom

dom. 1/25

4:10 pm-10:25 pm

1 stop24h 15m

$872

PortoAustin

OPO - AUS

OPOAUS

Porto

dom. 4/26

8:25 am-11:14 am

2 stops56h 49m

$476

PortoAustin

OPO - AUS

OPOAUS

Porto

mar. 6/16

8:20 am-11:49 pm

2 stops21h 29m

$543

PortoAustin

OPO - AUS

OPOAUS

Porto

mar. 6/16

4:20 pm-4:10 pm

1 stop29h 50m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

  • Most accurate provider: When it comes to deals on Porto-Austin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto-Austin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Porto-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Austin flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to Austin

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

Related info for your journey

Find useful and relevant information for your journey from Porto to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Porto to Austin?

    Departing from Porto to Austin will take you 20h 08m. The distance from Porto to Austin is about 4829 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Porto 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.

See more FAQs

Traveling to a place near Austin?

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