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

Currently priced at $752, 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 $755 and $812, respectively. British Airways is currently priced 14% below the average price you’ll pay for this route.

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

$1,013 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on KLM and American Airlines, with prices starting from $1,014 and $1,021, respectively.

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.

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

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

What is the cheapest day to fly round-trip from Porto to Austin?

Tuesday flights are found to be more expensive to fly from Porto to Austin. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Austin.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, May can be a great choice for travel to Austin. Flights to Austin from Porto in May are about $881 on average during May, but can be found for as low as $626.

What is the cheapest time of day to fly from OPO to AUS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Austin as you normally would.

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.

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.

$568+ Flights from Porto to Austin - Compare & Save Big

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Find cheap flights from Porto to Austin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Porto to Austin

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$752 (British Airways)
One-way from	$568 (Kiwi.com)
Popular in	July
Cheapest in	May
Average price	$790

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. 11% potential increase in price ($111 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 29, 2025.

Wed 9/1012:20 pmOPO - AUS

2 stops17h 32mBritish Airways

Tue 9/305:30 pmAUS - OPO

2 stops16h 25mBritish Airways

Deal found 4/27

$752

Wed 9/1012:20 pmOPO - AUS

2 stops16h 22mIberia

Tue 9/307:30 pmAUS - OPO

2 stops14h 25mIberia

Deal found 4/27

$755

Wed 9/108:10 pmOPO - AUS

1 stop25h 50mMultiple Airlines

Tue 9/304:40 pmAUS - OPO

2 stops16h 50mMultiple Airlines

Deal found 4/27

$793

Tue 9/912:50 pmOPO - AUS

1 stop13h 05mUnited Airlines

Tue 9/309:46 amAUS - OPO

2 stops17h 59mUnited Airlines

Deal found 4/27

$812

Wed 7/306:15 amOPO - AUS

2 stops22h 12mDelta

Mon 8/252:45 pmAUS - OPO

2 stops18h 45mDelta

Deal found 4/28

$999

Wed 7/308:10 pmOPO - AUS

1 stop25h 50mKLM

Mon 8/256:00 pmAUS - OPO

1 stop17h 55mKLM

Deal found 4/28

$1,086

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 April 29, 2025.

Wed 9/1012:20 pmOPO - AUS

2 stops17h 32mBritish Airways

Tue 9/305:30 pmAUS - OPO

2 stops16h 25mBritish Airways

Deal found 4/27

$752

Wed 9/1012:20 pmOPO - AUS

2 stops16h 22mIberia

Tue 9/307:30 pmAUS - OPO

2 stops14h 25mIberia

Deal found 4/27

$755

Wed 9/108:10 pmOPO - AUS

1 stop25h 50mMultiple Airlines

Tue 9/304:40 pmAUS - OPO

2 stops16h 50mMultiple Airlines

Deal found 4/27

$793

Tue 9/912:50 pmOPO - AUS

1 stop13h 05mUnited Airlines

Tue 9/309:46 amAUS - OPO

2 stops17h 59mUnited Airlines

Deal found 4/27

$812

Wed 7/306:15 amOPO - AUS

2 stops22h 12mDelta

Mon 8/252:45 pmAUS - OPO

2 stops18h 45mDelta

Deal found 4/28

$999

Wed 7/308:10 pmOPO - AUS

1 stop25h 50mKLM

Mon 8/256:00 pmAUS - OPO

1 stop17h 55mKLM

Deal found 4/28

$1,086

One-way flights from Porto to Austin
Search for one-way flight options from Porto to Austin. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Thu 8/76:45 amOPO - AUS

2 stops40h 28mMultiple Airlines

Deal found 4/28

$568

Thu 7/316:30 amOPO - AUS

1 stop15h 30mDelta

Deal found 4/28

$1,013

Wed 7/304:20 pmOPO - AUS

1 stop29h 40mKLM

Deal found 4/28

$1,014

Sat 8/28:15 amOPO - AUS

2 stops21h 44mAmerican Airlines

Deal found 4/28

$1,021

Tue 8/58:40 pmOPO - AUS

1 stop25h 10mBritish Airways

Deal found 4/28

$1,052

Tue 8/512:50 pmOPO - AUS

1 stop13h 11mUnited Airlines

Deal found 4/28

$1,089

Cheapflights Fare Finder

Use the filters below to find and compare flights from Porto to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 9/10

12:20 pm-11:52 pm

2 stops17h 32m

Austin Bergstrom

Tue 9/30

5:30 pm-3:55 pm

2 stops16h 25m

$752

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 9/10

12:20 pm-10:42 pm

2 stops16h 22m

Austin Bergstrom

Tue 9/30

7:30 pm-3:55 pm

2 stops14h 25m

$755

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 9/10

8:10 pm-4:00 pm

1 stop25h 50m

Austin Bergstrom

Tue 9/30

4:40 pm-3:30 pm

2 stops16h 50m

$793

PortoAustin

OPO - AUS

OPOAUS

Porto

Tue 9/9

12:50 pm-7:55 pm

1 stop13h 05m

Austin Bergstrom

Tue 9/30

2:00 pm-9:45 am

1 stop13h 45m

$812

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 7/30

6:15 am-10:27 pm

2 stops22h 12m

Austin Bergstrom

Mon 8/25

2:45 pm-3:30 pm

2 stops18h 45m

$999

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 7/30

8:10 pm-4:00 pm

1 stop25h 50m

Austin Bergstrom

Mon 8/25

6:00 pm-5:55 pm

1 stop17h 55m

$1,086

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 8/7

6:45 am-5:13 pm

2 stops40h 28m

$568

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 7/31

6:30 am-4:00 pm

1 stop15h 30m

$1,013

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 7/30

4:20 pm-4:00 pm

1 stop29h 40m

$1,014

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 8/2

8:15 am-11:59 pm

2 stops21h 44m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 12 results

Compare providers for flights from Porto to Austin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Austin in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 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 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.

Cheapflights Insights

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

Rainfall in Austin 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

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

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Iberia

7.0

Good

2,695 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Porto to Austin round-trip?
Currently priced at $752, 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 $755 and $812, respectively. British Airways is currently priced 14% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Porto to Austin one-way?
$1,013 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on KLM and American Airlines, with prices starting from $1,014 and $1,021, 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

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Top airline flying from Porto to Austin

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$788	Average$1,021	FlexibilityNo cancel fee	On-time75%

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$568+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Porto to Austin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Porto to Austin

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Porto to Austin

Cheapest flights from Porto to AustinExplore 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 April 29, 2025.

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 April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Porto to Austin that are best for you.

Compare providers for flights from Porto to Austin

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 Porto to Austin in April.

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.

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.

Temperature in Austin by month

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

Reviews of airlines servicing Austin

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?

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

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

How can I find direct flights from Porto to Austin?

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

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

Traveling to a place near Porto?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Porto to Austin

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Top airline flying from Porto to Austin

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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 April 29, 2025.