The cheapest times to fly from AUS to OPO are

  • January 1st to March 25th (except the week of March 12th)
  • August 27th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from AUS to OPO is late October to early November. Prices can be as high as $1921 for Sunday flights during mid December, or as low as $794 for Tuesday flights around late October to early November.


When to Fly to Porto

Flying from Austin, TX (AUS) to Porto (OPO) will usually cost between $882 to $1564 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October to early November with an average ticket price of $858. Due to high demand the most expensive time to fly is mid December, with an average price of $1648. Planning your trip to low-cost times can easily save you $790 on economy flights and even more on first-class flights. Generally, any price below $1055 can be considered a good price for a round-trip AUS to OPO flight.

See below for a graph of average weekly prices for the AUS to OPO route. All prices are for round-trip tickets in USD.

AUS to OPO Flight Prices

Compared to other flights, the AUS to OPO flight is priced close to the average and costs slightly more than the average flight leaving from Austin. The average price per mile (for a direct flight) is $0.14, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to OPO, and Monday the cheapest day to fly back into AUS. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $138 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1065. Return trip prices are from the OPO to AUS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from AUS to OPO can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 41 minutes may not be realistic.


Flight Hacking AUS to OPO

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from AUS to OPO — but Champion Traveler does!

Hack #1: London (AUS > LGW > OPO)

  • Price for both tickets: $671
  • Average savings: $384 (36.37%)

See AUS to LGW flights

Hack #2: Boston, MA (AUS > BOS > OPO)

  • Price for both tickets: $749
  • Average savings: $306 (28.97%)

See AUS to BOS flights

Hack #3: New York, NY (AUS > JFK > OPO)

  • Price for both tickets: $779
  • Average savings: $276 (26.13%)

See AUS to JFK flights


Flight Questions Answered

Still have questions about flying from AUS to OPO? We’ve got answers.

Which airlines fly this route?

You can find 23 major airlines flying this route most often: Aeromexico, Air Canada, Air Europa, Air France, Alaska, Alitalia, American, British Airways, Brussels Airlines, Delta, El Al, Finnair, Iberia, JetBlue, KLM, Lufthansa, Royal Air Maroc, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Porto Airport to Austin – Bergstrom International Airport?

The distance between the two airports is roughly 4831 miles or 7775 kilometers.

How long does it take to fly from AUS to OPO?

The real-world flight time for a nonstop AUS to OPO flight is about 9 hour 41 minutes.

How many flights go between Austin, TX and Porto?

It depends on the day of the week and the date, but a typical day might have around 76 available flights from AUS to OPO.


Airport Location Info


Departing Airport

Origination code AUS
Origination airport name Austin – Bergstrom International Airport
City Austin, TX
Country the United States
Latitude 30.2
Longitude -97.7

Return Airport

Destination code OPO
Destination airport name Porto Airport
City Porto
Country Portugal
Latitude 41.2
Longitude -8.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.