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

Delta, at $603, was found to be the cheapest airline from Austin to Porto.Alternate airlines to your destination round-trip include United Airlines and Lufthansa. You may be able to fly from Austin to Porto for 43% less than the average price by searching for these airlines.

What are the most popular airlines that fly from Austin to Porto?

Consider American Airlines, Delta or Iberia when booking your flight. These represent the most popular airlines when flying from Austin to Porto.

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

Tuesday is generally a great day to depart. Flying on this day could help you save up to 31%.

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

Travelers have found it’s best to book a flight 44 days in advance to save up to 123% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 44 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Austin to Porto 1-2 weeks in advance for as low as $1,462, or $1,712 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Porto. Flights to Porto from Austin in January are about $1,074 on average during January, but can be found for as low as $663.

Most accurate provider : When it comes to deals on Austin-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

$373+ Save on Flights from Austin to Porto

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The best prices from Austin Bergstrom to Porto are usually found in January or February, booked 44 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Austin to Porto

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$603 (Delta)
One-way from	$373 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$722

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

One-way flight from Austin Bergstrom to Porto

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($319 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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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 February 20, 2025.

Wed 3/2612:59 pmAUS - OPO

2 stops16h 51mDelta

Wed 4/96:20 amOPO - AUS

2 stops23h 16mDelta

Deal found 2/20

$603

Sat 3/227:34 pmAUS - OPO

2 stops38h 36mUnited Airlines

Wed 4/212:35 pmOPO - AUS

2 stops16h 25mUnited Airlines

Deal found 2/20

$611

Sat 3/225:00 pmAUS - OPO

1 stop13h 40mLufthansa

Wed 4/24:35 pmOPO - AUS

1 stop27h 45mLufthansa

Deal found 2/20

$661

Mon 3/3110:15 pmAUS - OPO

1 stop15h 35mBritish Airways

Sun 4/139:20 pmOPO - AUS

1 stop24h 30mBritish Airways

Deal found 2/20

$769

Wed 10/12:14 pmAUS - OPO

2 stops19h 41mIberia

Sat 10/1112:20 pmOPO - AUS

2 stops16h 20mIberia

Deal found 2/20

$1,021

Wed 4/911:12 amAUS - OPO

3 stops23h 08mMultiple Airlines

Wed 4/167:00 amOPO - AUS

2 stops33h 32mMultiple Airlines

Deal found 2/20

$1,085

Sun 4/276:48 pmAUS - OPO

2 stops15h 07mAmerican Airlines

Thu 5/298:15 amOPO - AUS

2 stops17h 45mAmerican Airlines

Deal found 2/20

$1,213

Thu 3/207:15 pmAUS - OPO

1 stop32h 20mKLM

Mon 3/316:35 amOPO - AUS

1 stop15h 25mKLM

Deal found 2/20

$6,224

Best flights from Austin to Porto
Discover carefully curated flight deals from Austin to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Wed 3/2612:59 pmAUS - OPO

2 stops16h 51mDelta

Wed 4/96:20 amOPO - AUS

2 stops23h 16mDelta

Deal found 2/20

$603

Sat 3/227:34 pmAUS - OPO

2 stops38h 36mUnited Airlines

Wed 4/212:35 pmOPO - AUS

2 stops16h 25mUnited Airlines

Deal found 2/20

$611

Sat 3/225:00 pmAUS - OPO

1 stop13h 40mLufthansa

Wed 4/24:35 pmOPO - AUS

1 stop27h 45mLufthansa

Deal found 2/20

$661

Mon 3/3110:15 pmAUS - OPO

1 stop15h 35mBritish Airways

Sun 4/139:20 pmOPO - AUS

1 stop24h 30mBritish Airways

Deal found 2/20

$769

Wed 4/911:12 amAUS - OPO

3 stops23h 08mMultiple Airlines

Wed 4/167:00 amOPO - AUS

2 stops33h 32mMultiple Airlines

Deal found 2/20

$1,085

Sun 4/276:48 pmAUS - OPO

2 stops15h 07mAmerican Airlines

Thu 5/298:15 amOPO - AUS

2 stops17h 45mAmerican Airlines

Deal found 2/20

$1,213

Thu 3/207:15 pmAUS - OPO

1 stop32h 20mKLM

Mon 3/316:35 amOPO - AUS

1 stop15h 25mKLM

Deal found 2/20

$6,224

Last-minute flights from Austin to Porto
Discover last-minute flight deals from Austin to Porto. Data last updated February 20, 2025 and is based on user searches.

Thu 3/205:05 amAUS - OPO

2 stops29h 15mMultiple Airlines

Mon 3/3110:50 amOPO - AUS

2 stops42h 10mMultiple Airlines

Deal found 2/20

$5,194

Thu 3/207:15 pmAUS - OPO

1 stop32h 20mKLM

Mon 3/316:35 amOPO - AUS

1 stop15h 25mKLM

Deal found 2/20

$6,224

Sat 3/227:34 pmAUS - OPO

2 stops38h 36mUnited Airlines

Wed 4/212:35 pmOPO - AUS

2 stops16h 25mUnited Airlines

Deal found 2/20

$611

Sat 3/225:00 pmAUS - OPO

1 stop13h 40mLufthansa

Wed 4/24:35 pmOPO - AUS

1 stop27h 45mLufthansa

Deal found 2/20

$661

Wed 3/2612:59 pmAUS - OPO

2 stops16h 51mDelta

Wed 4/96:20 amOPO - AUS

2 stops23h 16mDelta

Deal found 2/20

$603

Mon 3/3110:15 pmAUS - OPO

1 stop15h 35mBritish Airways

Sun 4/139:20 pmOPO - AUS

1 stop24h 30mBritish Airways

Deal found 2/20

$769

One-way flights from Austin to Porto
Search for one-way flight options from Austin to Porto. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Tue 4/151:58 pmAUS - OPO

3 stops39h 07mMultiple Airlines

Deal found 2/20

$373

Tue 4/151:59 pmAUS - OPO

1 stop13h 46mUnited Airlines

Deal found 2/20

$608

Find flights from Austin to Porto within your budget

Fly from

Fly to

Route

Depart

Return

Price

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 3/26

12:59 pm-10:50 am

2 stops16h 51m

Porto

Wed 4/9

6:20 am-11:36 pm

2 stops23h 16m

$603

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sat 3/22

7:34 pm-3:10 pm

2 stops38h 36m

Porto

Wed 4/2

12:35 pm-11:00 pm

2 stops16h 25m

$611

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sat 3/22

5:00 pm-11:40 am

1 stop13h 40m

Porto

Wed 4/2

4:35 pm-2:20 pm

1 stop27h 45m

$661

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 3/31

10:15 pm-7:50 pm

1 stop15h 35m

Porto

Sun 4/13

9:20 pm-3:50 pm

1 stop24h 30m

$769

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 4/9

11:12 am-4:20 pm

3 stops23h 08m

Porto

Wed 4/16

7:00 am-10:32 am

2 stops33h 32m

$1,085

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 4/27

6:48 pm-3:55 pm

2 stops15h 07m

Porto

Thu 5/29

8:15 am-8:00 pm

2 stops17h 45m

$1,213

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 3/20

7:15 pm-8:35 am

1 stop32h 20m

Porto

Mon 3/31

6:35 am-4:00 pm

1 stop15h 25m

$6,224

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 4/15

1:58 pm-11:05 am

3 stops39h 07m

$373

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 4/15

1:59 pm-9:45 am

1 stop13h 46m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from Austin to Porto

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Porto flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Austin to Porto

Get recent, data-driven insights about flights from Austin to Porto including ideal travel times, pricing trends, and more.

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

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 $1,092). 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?

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?

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

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

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

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Lufthansa

6.7

Okay

6,984 reviews

Delta

8.0

Very good

8,220 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Austin to Porto round-trip?
Delta, at $603, was found to be the cheapest airline from Austin to Porto.Alternate airlines to your destination round-trip include United Airlines and Lufthansa. You may be able to fly from Austin to Porto for 43% less than the average price by searching for these airlines.
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 $1,092). 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

Aveiro

Coimbra

Matosinhos

Arcos de Valdevez

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Alternative routes for Austin to Porto

Other flights to Porto

Top 6 airlines flying from Austin to Porto

Airline	Cheapest	Average	Flexibility	On-time
Iberia	Cheapest$519	Average$1,093	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$619	Average$874	FlexibilityNo cancel fee	On-time71%
Lufthansa	Cheapest$623	Average$1,170	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$655	Average$838	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$711	Average$1,260	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$948	Average$1,374	FlexibilityNo cancel fee	On-time69%

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$373+ Cheap flights from Austin (AUS) to Porto (OPO)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to Porto with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Austin Bergstrom to Porto are usually found in January or February, booked 44 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Austin to Porto

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Austin to Porto

Cheapest flights from Austin to PortoExplore 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 February 20, 2025.

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 February 20, 2025.

Find flights from Austin to Porto within your budget

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 February.

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.

Travel insights for flights from Austin to Porto

Get recent, data-driven insights about flights from Austin to Porto including ideal travel times, pricing trends, and more.

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 February 14, 2025.

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

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 February 20, 2025.

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.

Rainfall in Porto by month

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

Temperature in Porto by month

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

Reviews of airlines servicing Porto

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?

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

How can I find direct flights from Austin to Porto?

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

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

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Alternative routes for Austin to Porto

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Top 6 airlines flying from Austin to Porto

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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 February 20, 2025.