How long does it take to fly to Porto?

Flight times from Texas to Porto vary, but if you’re flying out of Dallas and flying into Porto (one of the most popular routes), then the duration is 12h 47m on average. Another popular route from Texas to Porto is flying from Houston to Porto, which will take roughly 12h 52m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Porto?

United Airlines, Iberia and KLM are the top three most popular airlines that fly to Porto from Texas according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 7 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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

Scandinavian Airlines, United Airlines, and Lufthansa are the most popular carriers operating from Texas to Porto

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

Prices for flights from Texas to Porto Airport were last updated today.

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

As of September 2025, there are 7 operators available to choose from for flights from Texas to Porto Airport.

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

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

The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$247 Cheap Flights from Texas to Porto in 2025/26

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Find the cheapest flights from Texas to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

12:05 pm - 9:30 amDFW-OPO

16h 25m2 stops

12:35 pm - 10:57 pmOPO-DFW

16h 22m2 stops

$536United Airlines

Find Deal

lun., oct. 27 - mié., nov. 12

2:58 pm - 9:45 amDFW-OPO

12h 47m1 stop

12:35 pm - 10:40 amOPO-DFW

28h 05m1 stop

$538United Airlines

Find Deal

lun., oct. 20 - mié., nov. 5

7:05 am - 9:15 pmDFW-OPO

33h 10m3 stops

6:05 am - 9:09 pmOPO-DFW

21h 04m2 stops

$551Multiple Airlines

Find Deal

lun., oct. 27 - mié., nov. 12

5:40 am - 10:30 amAUS-OPO

22h 50m2 stops

6:35 am - 4:10 pmOPO-AUS

15h 35m1 stop

$557Delta

Find Deal

dom., nov. 23 - jue., dic. 11

10:24 am - 7:35 amDFW-OPO

15h 11m2 stops

8:20 am - 7:53 pmOPO-DFW

17h 33m2 stops

$562American Airlines

Find Deal

lun., oct. 20 - mié., nov. 5

6:05 pm - 10:25 pmAUS-OPO

22h 20m1 stop

4:10 pm - 4:10 pmOPO-AUS

30h 00m1 stop

$565KLM

Find Deal

lun., nov. 3 - mié., nov. 12

5:40 am - 10:30 amAUS-OPO

22h 50m2 stops

6:00 am - 9:34 pmOPO-AUS

21h 34m2 stops

$568Delta

Find Deal

lun., nov. 3 - mié., nov. 12

6:05 pm - 10:25 pmAUS-OPO

22h 20m1 stop

6:00 am - 9:47 pmOPO-AUS

21h 47m2 stops

$575KLM

Find Deal

lun., nov. 3 - mié., nov. 12

10:11 am - 7:40 amHOU-OPO

15h 29m2 stops

8:40 pm - 11:27 amOPO-HOU

20h 47m2 stops

$581American Airlines

Find Deal

mar., nov. 18 - mié., ene. 14

1:05 pm - 1:15 pmAUS-OPO

18h 10m2 stops

6:00 am - 12:19 pmOPO-AUS

36h 19m2 stops

$581Multiple Airlines

Find Deal

mié., nov. 19 - mié., nov. 26

Air Canada flights from Texas to Porto

Our best Air Canada deals on Texas to Porto flight tickets

Air Canada

Nov 17

IAH11:50 amHouston George Bush Intcntl

18h 15m

2 stops

OPO12:05 pmPorto

Jan 15

OPO6:00 amPorto

42h 49m

2 stops

IAH6:49 pmHouston George Bush Intcntl

$583

Find similar

Air Canada

Nov 19

IAH11:55 amHouston George Bush Intcntl

19h 20m

2 stops

OPO1:15 pmPorto

Nov 23

OPO6:00 amPorto

21h 44m

2 stops

IAH9:44 pmHouston George Bush Intcntl

$631

Find similar

Air Canada

Nov 15

IAH11:50 amHouston George Bush Intcntl

18h 15m

2 stops

OPO12:05 pmPorto

Jan 15

OPO6:00 amPorto

42h 49m

2 stops

IAH6:49 pmHouston George Bush Intcntl

$632

Find similar

United Airlines flights from Texas to Porto

Our best United Airlines deals on Texas to Porto flight tickets

United Airlines

Oct 27

DFW12:05 pmDallas/Fort Worth

16h 25m

2 stops

OPO9:30 amPorto

Nov 12

OPO12:35 pmPorto

16h 22m

2 stops

DFW10:57 pmDallas/Fort Worth

$536

Find similar

United Airlines

Oct 20

DFW2:58 pmDallas/Fort Worth

12h 47m

1 stop

OPO9:45 amPorto

Nov 5

OPO12:35 pmPorto

28h 05m

1 stop

DFW10:40 amDallas/Fort Worth

$538

Find similar

United Airlines

Mar 11

DFW12:10 pmDallas/Fort Worth

16h 20m

2 stops

OPO9:30 amPorto

Mar 17

OPO12:35 pmPorto

24h 59m

2 stops

DFW8:34 amDallas/Fort Worth

$548

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 10/27

12:05 pm-9:30 am

2 stops16h 25m

Porto

mié. 11/12

12:35 pm-10:57 pm

2 stops16h 22m

$536

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 10/20

2:58 pm-9:45 am

1 stop12h 47m

Porto

mié. 11/5

12:35 pm-10:40 am

1 stop28h 05m

$538

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 10/27

7:05 am-9:15 pm

3 stops33h 10m

Porto

mié. 11/12

6:05 am-9:09 pm

2 stops21h 04m

$551

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

dom. 11/23

5:40 am-10:30 am

2 stops22h 50m

Porto

jue. 12/11

6:35 am-4:10 pm

1 stop15h 35m

$557

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 10/20

10:24 am-7:35 am

2 stops15h 11m

Porto

mié. 11/5

8:20 am-7:53 pm

2 stops17h 33m

$562

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

lun. 11/3

6:05 pm-10:25 pm

1 stop22h 20m

Porto

mié. 11/12

4:10 pm-4:10 pm

1 stop30h 00m

$565

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

lun. 11/3

5:40 am-10:30 am

2 stops22h 50m

Porto

mié. 11/12

6:00 am-9:34 pm

2 stops21h 34m

$568

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

lun. 11/3

6:05 pm-10:25 pm

1 stop22h 20m

Porto

mié. 11/12

6:00 am-9:47 pm

2 stops21h 47m

$575

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mar. 11/18

10:11 am-7:40 am

2 stops15h 29m

Porto

mié. 1/14

8:40 pm-11:27 am

2 stops20h 47m

$581

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

mié. 11/19

1:05 pm-1:15 pm

2 stops18h 10m

Porto

mié. 11/26

6:00 am-12:19 pm

2 stops36h 19m

$581

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 Texas 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

Other information

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from Texas, with most prices found around $507. If you aren’t able to travel during the month of January, then book flights to Porto from Texas during December instead. Flights to Porto in December, while not as cheap as those in January, still average around $618.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $729. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $1,033. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

In the evening is the cheapest time of day to fly from Texas to Porto when you can find flight prices for as low as $802. Flying to Porto in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,218 on average. Flights to Porto from Texas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Porto from Texas when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $779 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Texas for as low as $585 on momondo.

Can stopping save me money on Texas to Porto flights?

You could potentially save up to 15% on your flight if you consider stops on a Texas to Porto flight.

Cheap Texas to Porto flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Texas to Porto Airport?
Prices for flights from Texas to Porto Airport were last updated today.
How many operators does momondo search for flights from Texas to Porto Airport?
As of September 2025, there are 7 operators available to choose from for flights from Texas to Porto Airport.
How old do you have to be to fly from Texas 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 Texas to Porto Airport.
What documentation or ID do you need to fly to Porto Airport?
The travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Texas to Porto

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $534	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
American Airlines	PriceFrom $546	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $588	Free Cancellation	Rating 7.0 2,926 reviews	Search Iberia flights
KLM	PriceFrom $597	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
United Airlines	PriceFrom $624	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
British Airways	PriceFrom $631	Free Cancellation	Rating 6.7 7,373 reviews	Search British Airways flights
Lufthansa	PriceFrom $679	Free Cancellation	Rating 6.8 7,415 reviews	Search Lufthansa flights

Vila Nova de Gaia

Aveiro

Coimbra

Braga

Matosinhos

Caminha

Guimarães

Esposende

Lamego

Chaves

Espinho

Arcos de Valdevez

Viseu

Ponte de Lima

Pinhao

Santa Maria da Feira

Curia

Penafiel

Mesao Frio

Mira

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Texas to Porto for you.

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

All flight searches from Texas to Porto on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Texas and Porto 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 Texas to Porto right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Texas 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.