What is the cheapest airline that flies from Porto to Texas?

Iberia, KLM, and Delta are the most popular carriers operating from Porto to Texas

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

Prices for flights from Porto Airport to Texas are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Texas.

What documentation or ID do you need to fly to Texas?

The travel and health documents you'll need for your trip to Texas 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 Texas. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$369 Cheap Flights from Porto to Texas in 2026

Find the cheapest flights from Porto to Texas

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:30 pm - 3:25 pmOPO Porto-AUS Austin Bergstrom

31h 55m1 stop Toronto Pearson Intl

4:25 pm - 11:45 amAUS Austin Bergstrom-OPO Porto

13h 20m1 stop Toronto Pearson Intl

$778Air Transat

Thu, Sep 10 - Mon, Sep 14

1:30 pm - 3:25 pmOPO Porto-AUS Austin Bergstrom

31h 55m1 stop Toronto Pearson Intl

4:25 pm - 11:45 amAUS Austin Bergstrom-OPO Porto

13h 20m1 stop Toronto Pearson Intl

$815Air Transat

Thu, Sep 10 - Mon, Sep 14

12:25 pm - 8:10 pmOPO Porto-DFW Dallas/Fort Worth

13h 45m1 stop Madrid Barajas

9:45 pm - 4:00 pmDFW Dallas/Fort Worth-OPO Porto

12h 15m1 stop Madrid Barajas

$894Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

12:25 pm - 8:10 pmOPO Porto-DFW Dallas/Fort Worth

13h 45m1 stop Madrid Barajas

9:45 pm - 4:00 pmDFW Dallas/Fort Worth-OPO Porto

12h 15m1 stop Madrid Barajas

$896Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

11:30 am - 7:33 amOPO Porto-DFW Dallas/Fort Worth

50h 03m2 stops London Stansted Orlando

3:45 pm - 3:00 pmDFW Dallas/Fort Worth-OPO Porto

17h 15m1 stop Paris Charles de Gaulle

$915Multiple Airlines

Thu, Sep 3 - Tue, Sep 8

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

19h 30m2 stops Madrid Barajas Miami

5:10 pm - 4:00 pmAUS Austin Bergstrom-OPO Porto

16h 50m2 stops Miami Madrid Barajas

$925Iberia

Wed, Oct 28 - Wed, Nov 4

11:35 am - 11:59 pmOPO Porto-DFW Dallas/Fort Worth

18h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

3:13 pm - 3:25 pmDFW Dallas/Fort Worth-OPO Porto

18h 12m2 stops Minneapolis St Paul Paris Charles de Gaulle

$934Delta

Thu, Sep 3 - Tue, Sep 8

11:35 am - 11:59 pmOPO Porto-DFW Dallas/Fort Worth

18h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

3:13 pm - 3:25 pmDFW Dallas/Fort Worth-OPO Porto

18h 12m2 stops Minneapolis St Paul Paris Charles de Gaulle

$935Delta

Thu, Sep 3 - Tue, Sep 8

11:35 am - 11:59 pmOPO Porto-DFW Dallas/Fort Worth

18h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

11:55 am - 3:30 pmDFW Dallas/Fort Worth-OPO Porto

21h 35m2 stops Boston Logan Intl Amsterdam Schiphol

$942Delta

Thu, Sep 3 - Tue, Sep 8

8:40 pm - 10:36 pmOPO Porto-AUS Austin Bergstrom

31h 56m2 stops Madrid Barajas Dallas/Fort Worth

12:52 pm - 4:00 pmAUS Austin Bergstrom-OPO Porto

21h 08m2 stops Miami Madrid Barajas

$943Iberia

Mon, Sep 28 - Mon, Oct 5

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Delta flights from Porto to Texas

Our best Delta deals on Porto to Texas flight tickets

Delta

Sep 3

OPO11:35 amPorto

18h 24m

2 stops

DFW11:59 pmDallas/Fort Worth

Sep 8

DFW3:13 pmDallas/Fort Worth

18h 12m

2 stops

OPO3:25 pmPorto

$934

Delta

Sep 3

OPO11:35 amPorto

18h 24m

2 stops

DFW11:59 pmDallas/Fort Worth

Sep 8

DFW3:13 pmDallas/Fort Worth

18h 12m

2 stops

OPO3:25 pmPorto

$935

Delta

Sep 3

OPO11:35 amPorto

18h 24m

2 stops

DFW11:59 pmDallas/Fort Worth

Sep 8

DFW11:55 amDallas/Fort Worth

21h 35m

2 stops

OPO3:30 pmPorto

$942

United Airlines flights from Porto to Texas

Our best United Airlines deals on Porto to Texas flight tickets

United Airlines

Sep 9

OPO6:00 amPorto

20h 24m

2 stops

DFW8:24 pmDallas/Fort Worth

Sep 13

DFW9:49 amDallas/Fort Worth

15h 06m

1 stop

OPO6:55 amPorto

$962

United Airlines

Sep 9

OPO6:00 amPorto

20h 24m

2 stops

DFW8:24 pmDallas/Fort Worth

Sep 13

DFW9:36 amDallas/Fort Worth

18h 09m

2 stops

OPO9:45 amPorto

$963

United Airlines

Sep 9

OPO6:00 amPorto

20h 24m

2 stops

DFW8:24 pmDallas/Fort Worth

Sep 13

DFW9:49 amDallas/Fort Worth

15h 06m

1 stop

OPO6:55 amPorto

$965

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoAustin

OPO Porto - AUS Austin Bergstrom

OPOAUS

Porto

Thu 9/10

1:30 pm-3:25 pm

1 stop31h 55m

Austin Bergstrom

Mon 9/14

4:25 pm-11:45 am

1 stop13h 20m

$778

PortoAustin

OPO Porto - AUS Austin Bergstrom

OPOAUS

Porto

Thu 9/10

1:30 pm-3:25 pm

1 stop31h 55m

Austin Bergstrom

Mon 9/14

4:25 pm-11:45 am

1 stop13h 20m

$815

Quickest round-trip

PortoDallas

OPO Porto - DFW Dallas/Fort Worth

OPODFW

Porto

Thu 9/3

12:25 pm-8:10 pm

1 stop13h 45m

Dallas/Fort Worth

Tue 9/8

9:45 pm-4:00 pm

1 stop12h 15m

$894

PortoDallas

OPO Porto - DFW Dallas/Fort Worth

OPODFW

Porto

Thu 9/3

12:25 pm-8:10 pm

1 stop13h 45m

Dallas/Fort Worth

Tue 9/8

9:45 pm-4:00 pm

1 stop12h 15m

$896

PortoDallas

OPO Porto - DFW Dallas/Fort Worth

OPODFW

Porto

Thu 9/3

11:30 am-7:33 am

2 stops50h 03m

Dallas/Fort Worth

Tue 9/8

3:45 pm-3:00 pm

1 stop17h 15m

$915

PortoAustin

OPO Porto - AUS Austin Bergstrom

OPOAUS

Porto

Wed 10/28

8:20 am-10:50 pm

2 stops19h 30m

Austin Bergstrom

Wed 11/4

5:10 pm-4:00 pm

2 stops16h 50m

$925

PortoDallas

OPO Porto - DFW Dallas/Fort Worth

OPODFW

Porto

Thu 9/3

11:35 am-11:59 pm

2 stops18h 24m

Dallas/Fort Worth

Tue 9/8

3:13 pm-3:25 pm

2 stops18h 12m

$934

PortoDallas

OPO Porto - DFW Dallas/Fort Worth

OPODFW

Porto

Thu 9/3

11:35 am-11:59 pm

2 stops18h 24m

Dallas/Fort Worth

Tue 9/8

3:13 pm-3:25 pm

2 stops18h 12m

$935

PortoDallas

OPO Porto - DFW Dallas/Fort Worth

OPODFW

Porto

Thu 9/3

11:35 am-11:59 pm

2 stops18h 24m

Dallas/Fort Worth

Tue 9/8

11:55 am-3:30 pm

2 stops21h 35m

$942

PortoAustin

OPO Porto - AUS Austin Bergstrom

OPOAUS

Porto

Mon 9/28

8:40 pm-10:36 pm

2 stops31h 56m

Austin Bergstrom

Mon 10/5

12:52 pm-4:00 pm

2 stops21h 08m

$943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Porto to Texas

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

What is the cheapest month to fly to Texas?

The cheapest month to fly to Texas from Porto is in August. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Texas in August, then you should wait until April to fly from Porto, when ticket prices are also cheap, with an average price of $889.

Can stopping save me money on Porto to Texas flights?

You could potentially save up to 33% on your flight if you consider stops on a Porto to Texas flight.

Cheap Porto to Texas flight deals and tips

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

Fastest flight time	19h 30m
Direct flights	None

The fastest flight from Porto to Texas takes 19h 30m

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

Search flight deals

Frequently asked questions about flying from Porto to Texas

When did momondo last update prices for flights from Porto Airport to Texas?
Prices for flights from Porto Airport to Texas are refreshed on a daily basis.
How old do you have to be to fly from Porto Airport to Texas?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Texas.
What documentation or ID do you need to fly to Texas?
The travel and health documents you'll need for your trip to Texas 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 Texas. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Texas from Porto.

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

Yes. All flights to Texas from Porto on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Porto and Texas by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Porto to Texas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.