Which layover airport offers the lowest fares from Austin to Porto?

Flights via Amsterdam (AMS) offer the lowest average round-trip price of $672.

Which layover airport has the shortest travel time from Austin to Porto?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 12h 15m.

What airlines fly to Porto?

United Airlines, Delta and KLM are the top three most popular airlines that fly to Porto from Austin according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 4 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Austin and Porto?

Montreal (YUL) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Austin Bergstrom to Porto?

Delta and United Airlines are the most popular carriers operating from Austin Bergstrom to Porto

Which layover airport has the shortest connection time from Austin to Porto?

Newark (EWR) has the shortest average layover time for this route: 2h 44m.

When did momondo last update prices for flights from Austin Bergstrom Airport to Porto Airport?

Prices for flights from Austin Bergstrom Airport to Porto Airport are updated daily.

How many operators does momondo search for flights from Austin Bergstrom Airport to Porto Airport?

As of November 2026, there are 4 operators available to choose from for flights from Austin Bergstrom Airport to Porto Airport.

How old do you have to be to fly from Austin Bergstrom Airport to Porto Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Porto Airport.

What documentation or ID do you need to fly to Porto Airport?

The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$385 Cheap Flights from Austin to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Porto

Round-trip

One-way

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Enter your travel dates to find the best prices.

8:09 am - 11:45 amAUS Austin Bergstrom-OPO Porto

21h 36m2 stops Chicago O'Hare Intl Madrid Barajas

8:40 pm - 5:49 pmOPO Porto-AUS Austin Bergstrom

27h 09m2 stops Madrid Barajas Chicago O'Hare Intl

$725Iberia

Mon, Mar 1 - Tue, Mar 9

9:35 am - 9:30 amAUS Austin Bergstrom-OPO Porto

17h 55m1 stop Newark

6:00 am - 11:38 pmOPO Porto-AUS Austin Bergstrom

23h 38m2 stops Frankfurt am Main Denver Intl

$733United Airlines

Mon, Mar 1 - Thu, Mar 4

9:35 am - 9:30 amAUS Austin Bergstrom-OPO Porto

17h 55m1 stop Newark

6:00 am - 9:10 pmOPO Porto-AUS Austin Bergstrom

21h 10m2 stops Frankfurt am Main Denver Intl

$733United Airlines

Tue, Feb 23 - Fri, Feb 26

6:05 pm - 3:25 pmAUS Austin Bergstrom-OPO Porto

15h 20m1 stop Amsterdam Schiphol

5:00 am - 5:39 pmOPO Porto-AUS Austin Bergstrom

18h 39m2 stops Amsterdam Schiphol Minneapolis St Paul

$737KLM

Mon, Mar 1 - Tue, Mar 9

5:55 pm - 7:30 pmAUS Austin Bergstrom-OPO Porto

19h 35m1 stop London Heathrow

8:20 am - 10:50 pmOPO Porto-AUS Austin Bergstrom

20h 30m2 stops Madrid Barajas Dallas/Fort Worth

$765British Airways

Tue, Apr 27 - Wed, May 19

3:15 pm - 3:25 pmAUS Austin Bergstrom-OPO Porto

18h 10m1 stop Paris Charles de Gaulle

5:00 am - 3:43 pmOPO Porto-AUS Austin Bergstrom

16h 43m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$779Delta

Mon, Apr 26 - Thu, May 13

4:40 pm - 3:25 pmAUS Austin Bergstrom-OPO Porto

16h 45m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 6:47 pmOPO Porto-AUS Austin Bergstrom

19h 47m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$784Delta

Mon, Apr 26 - Thu, May 13

1:11 pm - 9:30 amAUS Austin Bergstrom-OPO Porto

14h 19m1 stop Newark

12:35 pm - 8:53 pmOPO Porto-AUS Austin Bergstrom

14h 18m1 stop Newark

$793Lufthansa

Mon, Mar 1 - Tue, Mar 9

6:01 pm - 3:25 pmAUS Austin Bergstrom-OPO Porto

15h 24m1 stop Amsterdam Schiphol

5:00 am - 4:05 pmOPO Porto-AUS Austin Bergstrom

17h 05m1 stop Amsterdam Schiphol

$809KLM

Mon, Nov 23 - Thu, Dec 3

3:39 pm - 9:30 amAUS Austin Bergstrom-OPO Porto

11h 51m1 stop Newark

6:00 am - 4:47 pmOPO Porto-AUS Austin Bergstrom

40h 47m2 stops Frankfurt am Main Denver Intl

$1,094Lufthansa

Wed, Dec 16 - Wed, Dec 23

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Iberia flights from Austin to Porto

Our best Iberia deals on Austin to Porto flight tickets

Iberia

Mar 1

AUS8:09 amAustin Bergstrom

21h 36m

2 stops

OPO11:45 amPorto

Mar 9

OPO8:40 pmPorto

27h 09m

2 stops

AUS5:49 pmAustin Bergstrom

$725

Iberia

Apr 27

AUS7:00 amAustin Bergstrom

18h 40m

2 stops

OPO7:40 amPorto

May 19

OPO8:20 amPorto

19h 02m

2 stops

AUS9:22 pmAustin Bergstrom

$770

KLM flights from Austin to Porto

Our best KLM deals on Austin to Porto flight tickets

KLM

Mar 1

AUS6:05 pmAustin Bergstrom

15h 20m

1 stop

OPO3:25 pmPorto

Mar 9

OPO5:00 amPorto

18h 39m

2 stops

AUS5:39 pmAustin Bergstrom

$737

KLM

Nov 23

AUS6:01 pmAustin Bergstrom

15h 24m

1 stop

OPO3:25 pmPorto

Dec 3

OPO5:00 amPorto

17h 05m

1 stop

AUS4:05 pmAustin Bergstrom

$809

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

8:09 am-11:45 am

2 stops21h 36m

Porto

Tue 3/9

8:40 pm-5:49 pm

2 stops27h 09m

$725

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

9:35 am-9:30 am

1 stop17h 55m

Porto

Thu 3/4

6:00 am-11:38 pm

2 stops23h 38m

$733

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Tue 2/23

9:35 am-9:30 am

1 stop17h 55m

Porto

Fri 2/26

6:00 am-9:10 pm

2 stops21h 10m

$733

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

6:05 pm-3:25 pm

1 stop15h 20m

Porto

Tue 3/9

5:00 am-5:39 pm

2 stops18h 39m

$737

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Tue 4/27

5:55 pm-7:30 pm

1 stop19h 35m

Porto

Wed 5/19

8:20 am-10:50 pm

2 stops20h 30m

$765

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 4/26

3:15 pm-3:25 pm

1 stop18h 10m

Porto

Thu 5/13

5:00 am-3:43 pm

2 stops16h 43m

$779

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 4/26

4:40 pm-3:25 pm

2 stops16h 45m

Porto

Thu 5/13

5:00 am-6:47 pm

2 stops19h 47m

$784

Quickest round-trip

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 3/1

1:11 pm-9:30 am

1 stop14h 19m

Porto

Tue 3/9

12:35 pm-8:53 pm

1 stop14h 18m

$793

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Mon 11/23

6:01 pm-3:25 pm

1 stop15h 24m

Porto

Thu 12/3

5:00 am-4:05 pm

1 stop17h 05m

$809

AustinPorto

AUS Austin Bergstrom - OPO Porto

AUSOPO

Austin Bergstrom

Wed 12/16

3:39 pm-9:30 am

1 stop11h 51m

Porto

Wed 12/23

6:00 am-4:47 pm

2 stops40h 47m

$1,094

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Austin to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Austin and Porto?

Prices are currently typical for flights on this route.

Typical prices usually range from $621 to $850.
The lowest price recently found on this route was $725.

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from Austin, with most prices found around $700. If you aren’t able to travel during the month of February, then book flights to Porto from Austin during March instead. Flights to Porto in March, while not as cheap as those in February, still average around $783.

Can stopping save me money on Austin to Porto flights?

You could potentially save up to 35% on your flight if you consider stops on a Austin to Porto flight.

How have Austin to Porto flight prices changed over time?

As of November 2026, prices for Austin to Porto flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Austin to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Porto according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Austin to Porto (AUS to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Porto

Best Price Found	$385
Fastest flight time	15h 24m
Direct flights	None

The best one-way flight to Porto from Austin in the past 72 hours is $385. The best round-trip flight deal from Austin to Porto found on momondo in the last 72 hours is $725.

The fastest flight from Austin to Porto takes 15h 24m

There are no direct flights from Austin to Porto. There are no popular flight routes from Austin to Porto.

Search flight deals

Frequently asked questions about flying from Austin to Porto

How far is Austin Bergstrom to Porto by plane?
Austin Bergstrom and Porto are 4833.8 mi apart from one another. In terms of flight time, this usually takes a little over 15h 24m.
When did momondo last update prices for flights from Austin Bergstrom Airport to Porto Airport?
Prices for flights from Austin Bergstrom Airport to Porto Airport are updated daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to Porto Airport?
As of November 2026, there are 4 operators available to choose from for flights from Austin Bergstrom Airport to Porto Airport.
How old do you have to be to fly from Austin Bergstrom Airport to Porto Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents you'll need for your trip to Porto Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Austin to Porto?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Austin to Porto is United Airlines (39% of total bookings). The next most popular airlines are Delta (31%), KLM (16%), and Lufthansa (13%).

Best airlines flying from Austin to Porto

Compare and see reviews for airlines that fly from Austin to Porto with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $478	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
Lufthansa	PriceFrom $621	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
KLM	PriceFrom $672	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
United Airlines	PriceFrom $752	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights

Braga

Coimbra

Vila Nova de Gaia

Aveiro

Pinhao

Esposende

Matosinhos

Chaves

Viseu

Espinho

Arcos de Valdevez

Lamego

Guimarães

Caminha

Penafiel

Ponte de Lima

Mira

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Porto?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Porto. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Austin to Porto with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Porto from Austin with this policy.

How can momondo help me find flights from Austin to Porto?

momondo provides multiple filters to help you find the best flight to Porto from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Austin to Porto right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Austin to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Austin to Porto from $385

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Porto departing on 3/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Iberia flights from Austin to Porto

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How to get the cheapest flight ticket from Austin to Porto

What is the typical price of a round-trip flight between Austin and Porto?

What is the cheapest month to fly to Porto?

Can stopping save me money on Austin to Porto flights?

How have Austin to Porto flight prices changed over time?

What is the cheapest airline that flies from Austin Bergstrom to Porto?

What airlines fly to Porto?

Which airport is the most popular layover for flights between Austin and Porto?

Which layover airport offers the lowest fares from Austin to Porto?

Which layover airport has the shortest travel time from Austin to Porto?

Which layover airport has the shortest connection time from Austin to Porto?

When to book flights from Austin to Porto

Cheap Austin to Porto (AUS to OPO) flight deals and tips

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Frequently asked questions about flying from Austin to Porto

Best airlines flying from Austin to Porto

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An easier way to manage your Porto trip

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List of cabin classes available on flights landing in Porto. Availability may vary depending on flight origin and airline.

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