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$817+ Cheap flights from Austin (AUS) to Porto (OPO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — OPO
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Porto are usually found in November or January, booked 44 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Austin to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Porto (OPO). 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$817
(Air Canada)

Popular in

May

Cheapest in

November

Average price

$1,108
Provider with most accurate pricing for Austin Bergstrom-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Porto flights.
Search Deals
From Austin Bergstrom to Porto
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Austin to Porto

Cheapest flights from Austin to Porto
Explore the most affordable flight options available from Austin to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:00 amAUS - OPO
2 stops26h 30mMultiple Airlines
Tue 5/208:40 amOPO - AUS
2 stops32h 00mMultiple Airlines
Deal found 4/29$817
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:22 pmAUS - OPO
2 stops14h 33mAmerican Airlines
Tue 9/912:20 pmOPO - AUS
2 stops16h 22mAmerican Airlines
Deal found 4/29$827
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.
Thu 8/2110:00 amAUS - OPO
2 stops17h 45mUnited Airlines
Tue 9/912:50 pmOPO - AUS
1 stop13h 05mUnited Airlines
Deal found 4/29$856
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:00 amAUS - OPO
2 stops18h 35mIberia
Mon 9/88:35 pmOPO - AUS
2 stops31h 06mIberia
Deal found 4/29$962
This Expedia deal was found by Cheapflights users on 4/28. 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.
Mon 7/710:15 pmAUS - OPO
2 stops27h 20mBritish Airways
Mon 8/49:10 pmOPO - AUS
2 stops34h 12mBritish Airways
Deal found 4/28$1,011
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:05 pmAUS - OPO
1 stop17h 40mLufthansa
Tue 9/164:35 pmOPO - AUS
1 stop27h 45mLufthansa
Deal found 4/29$1,026
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/207:51 pmAUS - OPO
2 stops31h 44mAir Canada
Sun 7/2711:20 amOPO - AUS
2 stops35h 10mAir Canada
Deal found 4/29$1,039
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/84:40 pmAUS - OPO
2 stops16h 55mKLM
Sun 8/176:55 pmOPO - AUS
1 stop27h 05mKLM
Deal found 4/29$1,139
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:00 amAUS - OPO
2 stops21h 55mTAP AIR PORTUGAL
Fri 5/236:05 pmOPO - AUS
2 stops46h 10mTAP AIR PORTUGAL
Deal found 4/29$1,725

Cheapflights Fare Finder

Customize your flight search to find flights from Austin to Porto 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 April 29, 2025.
Use the filters below to find and compare flights from Austin to Porto that are best for you.

Fly from

Austin

Fly to

Porto

Route

Depart

Return

Price

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 5/14

10:00 am-6:30 pm

2 stops26h 30m

Porto

Tue 5/20

8:40 am-10:40 am

2 stops32h 00m

$817

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 8/21

7:22 pm-3:55 pm

2 stops14h 33m

Porto

Tue 9/9

12:20 pm-10:42 pm

2 stops16h 22m

$827

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 8/21

10:00 am-9:45 am

2 stops17h 45m

Porto

Tue 9/9

12:50 pm-7:55 pm

1 stop13h 05m

$856

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 9/3

7:00 am-7:35 am

2 stops18h 35m

Porto

Mon 9/8

8:35 pm-9:41 pm

2 stops31h 06m

$962

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 7/7

10:15 pm-7:35 am

2 stops27h 20m

Porto

Mon 8/4

9:10 pm-1:22 am

2 stops34h 12m

$1,011

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 9/1

4:05 pm-3:45 pm

1 stop17h 40m

Porto

Tue 9/16

4:35 pm-2:20 pm

1 stop27h 45m

$1,026

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 7/20

7:51 pm-9:35 am

2 stops31h 44m

Porto

Sun 7/27

11:20 am-4:30 pm

2 stops35h 10m

$1,039

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Fri 8/8

4:40 pm-3:35 pm

2 stops16h 55m

Porto

Sun 8/17

6:55 pm-4:00 pm

1 stop27h 05m

$1,139

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Fri 5/9

11:00 am-2:55 pm

2 stops21h 55m

Porto

Fri 5/23

6:05 pm-10:15 am

2 stops46h 10m

$1,725

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 6/1

9:52 am-6:55 am

2 stops15h 03m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 13 results
1
2

Compare providers for flights from Austin to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Porto in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Porto flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Austin-Porto flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Austin-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Porto flights, Cheapflights users trust AranGrant the most. AranGrant 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 Austin-Porto 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 Austin to Porto

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

How far ahead should I book a flight from Austin to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Porto. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Austin to Porto, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Austin to Porto (average of $523). Flying from Austin to Porto in June is currently the most expensive (average of $1,071). 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 OPO?

Find hourly flight availability from Austin to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

One of the essential ways to save on airfare from Austin to Porto is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 27% on airfare.

What is the cheapest day to fly from Austin to Porto?

Use this chart to determine the cheapest time to fly round-trip from Austin to Porto. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Austin to Porto flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Porto by month

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

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

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

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated April 29, 2025.
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
United Airlines
7.4
Good
8,696 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Scandinavian Airlines
7.3
Good
1,349 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
TAP AIR PORTUGAL
7.1
Good
1,851 reviews
KLM
7.8
Good
1,333 reviews

Entertainment

7.1

Boarding

7.8

Food

7.2

Crew

8.4

Overall

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Austin to Porto. 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 Austin to Porto round-trip?

    American Airlines, at $827, was found to be the cheapest airline from Austin to Porto.Alternate airlines to your destination round-trip include United Airlines and Iberia. You may be able to fly from Austin to Porto for 20% less than the average price by searching for these airlines.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $853. Users have also found prices from $885 and $1,438 on Scandinavian Airlines and Iberia, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Austin to Porto (average of $523). Flying from Austin to Porto in June is currently the most expensive (average of $1,071). 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?

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Top 4 airlines flying from Austin to Porto

Discover the top 4 airlines that operate flights from Austin to Porto. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$519Average$1,142FlexibilityNo cancel feeOn-time77%
KLMCheapest$644Average$1,260FlexibilityNo cancel feeOn-time75%
DeltaCheapest$655Average$939FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$754Average$1,278FlexibilityNo cancel feeOn-time69%

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