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$390+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — AUS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$766
(AirNGo)

One-way from

$390
(Kiwi.com)
From Porto to Austin Bergstrom
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One-way flight from Porto to Austin Bergstrom
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Find flight deals from Porto to Austin

Cheapest flights from Porto to Austin
Explore the most affordable flight options available from Porto to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This AirNGo deal was found by Cheapflights users on 6/11. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:20 pmOPO - AUS
2 stops17h 55mBritish Airways
Wed 10/85:26 amAUS - OPO
2 stops28h 29mBritish Airways
Deal found 6/11$766
This Iberia deal was found by Cheapflights users on 6/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:20 pmOPO - AUS
2 stops16h 29mIberia
Wed 10/85:26 amAUS - OPO
2 stops20h 09mIberia
Deal found 6/11$768
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1912:10 pmOPO - AUS
1 stop13h 51mUnited Airlines
Tue 6/246:00 amAUS - OPO
1 stop19h 45mUnited Airlines
Deal found 6/11$815
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Tue 9/912:50 pmOPO - AUS
1 stop13h 05mAir Canada
Wed 10/810:00 amAUS - OPO
2 stops26h 30mAir Canada
Deal found 6/10$829
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:35 pmOPO - AUS
1 stop27h 45mLufthansa
Thu 10/24:05 pmAUS - OPO
1 stop24h 40mLufthansa
Deal found 6/11$830
This KLM deal was found by Cheapflights users on 6/10. 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.
Wed 9/106:15 amOPO - AUS
2 stops21h 15mKLM
Thu 10/26:00 pmAUS - OPO
1 stop34h 40mKLM
Deal found 6/10$850
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2212:20 pmOPO - AUS
2 stops17h 39mAmerican Airlines
Thu 7/313:35 pmAUS - OPO
2 stops18h 20mAmerican Airlines
Deal found 6/12$913
This Delta deal was found by Cheapflights users on 6/10. 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 7/306:15 amOPO - AUS
2 stops22h 12mDelta
Mon 8/251:28 pmAUS - OPO
2 stops20h 02mDelta
Deal found 6/10$1,027
This Mytrip deal was found by Cheapflights users on 6/12. 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 6/196:00 amOPO - AUS
3 stops40h 30mMultiple Airlines
Tue 6/247:15 amAUS - OPO
3 stops25h 45mMultiple Airlines
Deal found 6/12$1,169

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 June 12, 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

Tue 9/9

12:20 pm-12:15 am

2 stops17h 55m

Austin Bergstrom

Wed 10/8

5:26 am-3:55 pm

2 stops28h 29m

$766

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 9/9

12:20 pm-10:49 pm

2 stops16h 29m

Austin Bergstrom

Wed 10/8

5:26 am-7:35 am

2 stops20h 09m

$768

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 9/9

12:50 pm-7:55 pm

1 stop13h 05m

Austin Bergstrom

Tue 9/30

12:17 pm-9:45 am

2 stops15h 28m

$815

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 9/9

12:50 pm-7:55 pm

1 stop13h 05m

Austin Bergstrom

Wed 10/8

10:00 am-6:30 pm

2 stops26h 30m

$829

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 9/10

4:35 pm-2:20 pm

1 stop27h 45m

Austin Bergstrom

Thu 10/2

4:05 pm-10:45 pm

1 stop24h 40m

$830

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 9/10

6:15 am-9:30 pm

2 stops21h 15m

Austin Bergstrom

Thu 10/2

6:00 pm-10:40 am

1 stop34h 40m

$850

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 7/22

12:20 pm-11:59 pm

2 stops17h 39m

Austin Bergstrom

Thu 7/31

3:35 pm-3:55 pm

2 stops18h 20m

$913

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 7/30

6:15 am-10:27 pm

2 stops22h 12m

Austin Bergstrom

Mon 8/25

1:28 pm-3:30 pm

2 stops20h 02m

$1,027

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 7/22

12:50 pm-8:01 pm

1 stop13h 11m

Austin Bergstrom

Thu 7/31

4:05 pm-10:45 pm

1 stop24h 40m

$1,197

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 8/23

10:20 am-7:23 am

3 stops51h 03m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
1
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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.

Cheapflights Insights

Everything you need to know about your flight from Porto to Austin

Rainfall in Austin by month

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

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

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

If weather is an important factor for your trip to Austin, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

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 June 12, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from Porto to Austin. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 Porto to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Porto to Austin round-trip?

    Currently priced at $766, British Airways will fly you from Porto to Austin and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Iberia and United Airlines - these airlines can fly you to your destination from $768 and $815, respectively.

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

    $709 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on KLM and United Airlines, with prices starting from $762 and $932, respectively.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Porto to Austin (average of $286). Flying from Porto to Austin in March is currently the most expensive (average of $362). 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 Porto?

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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Porto to Austin

Discover the top airline that operate flights from Porto 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$809Average$1,055FlexibilityNo cancel feeOn-time75%

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