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

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

How long does it take to fly to Porto?

Flight times from Texas to Porto vary, but if you’re flying out of Houston and flying into Porto (one of the most popular routes), then the duration is 12h 55m on average. Another popular route from Texas to Porto is flying from Dallas to Porto, which will take roughly 16h 55m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Porto?

United Airlines, Delta and Iberia 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 54% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 6 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

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 November 2026, there are 6 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.

$291 Cheap Flights from Texas to Porto in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Texas to Porto

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 3:40 pmIAH Houston George Bush Intcntl-OPO Porto

18h 00m1 stop Frankfurt am Main

6:45 pm - 9:24 pmOPO Porto-IAH Houston George Bush Intcntl

32h 39m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$708Multiple Airlines

Wed, Apr 14 - Wed, Apr 21

3:40 pm - 3:40 pmIAH Houston George Bush Intcntl-OPO Porto

18h 00m1 stop Frankfurt am Main

6:00 am - 9:24 pmOPO Porto-IAH Houston George Bush Intcntl

21h 24m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$708Multiple Airlines

Tue, Apr 13 - Fri, Apr 23

5:05 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

16h 20m1 stop Paris Charles de Gaulle

5:00 am - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

14h 15m1 stop Amsterdam Schiphol

$710Delta

Tue, Apr 13 - Fri, Apr 23

5:05 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

16h 20m1 stop Paris Charles de Gaulle

5:00 am - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

14h 15m1 stop Amsterdam Schiphol

$711Delta

Tue, Apr 13 - Fri, Apr 23

2:21 pm - 9:30 amIAH Houston George Bush Intcntl-OPO Porto

13h 09m1 stop Newark

6:00 am - 6:15 pmOPO Porto-IAH Houston George Bush Intcntl

18h 15m1 stop Frankfurt am Main

$711United Airlines

Sun, Feb 28 - Wed, Mar 3

9:40 am - 9:30 amIAH Houston George Bush Intcntl-OPO Porto

17h 50m1 stop Newark

6:00 am - 6:15 pmOPO Porto-IAH Houston George Bush Intcntl

18h 15m1 stop Frankfurt am Main

$711United Airlines

Mon, Feb 22 - Fri, Feb 26

5:05 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

16h 20m1 stop Paris Charles de Gaulle

7:05 pm - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

24h 10m1 stop Amsterdam Schiphol

$713KLM

Wed, Apr 14 - Wed, Apr 21

5:05 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

16h 20m1 stop Paris Charles de Gaulle

5:55 am - 2:50 pmOPO Porto-IAH Houston George Bush Intcntl

14h 55m1 stop Paris Charles de Gaulle

$720KLM

Tue, Apr 13 - Fri, Apr 23

5:20 pm - 8:00 pmDFW Dallas/Fort Worth-OPO Porto

20h 40m1 stop Madrid Barajas

8:40 pm - 5:00 pmOPO Porto-DFW Dallas/Fort Worth

26h 20m1 stop Madrid Barajas

$757Iberia

Mon, Feb 1 - Tue, Feb 9

12:48 pm - 11:45 amDFW Dallas/Fort Worth-OPO Porto

16h 57m2 stops New York John F Kennedy Intl Madrid Barajas

12:25 pm - 5:00 pmOPO Porto-DFW Dallas/Fort Worth

34h 35m1 stop Madrid Barajas

$762Iberia

Mon, Feb 1 - Tue, Feb 9

Cheap last minute flights

Enter your travel dates to find the best prices.

10:59 am - 10:35 amAUS Austin Bergstrom-OPO Porto

17h 36m2 stops Minneapolis St Paul Paris Charles de Gaulle

5:00 am - 8:30 pmOPO Porto-AUS Austin Bergstrom

21h 30m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$819Delta

Tue, Nov 10 - Tue, Nov 17

7:19 am - 9:30 amAUS Austin Bergstrom-OPO Porto

20h 11m1 stop Newark

12:35 pm - 8:58 pmOPO Porto-AUS Austin Bergstrom

38h 23m2 stops Frankfurt am Main Denver Intl

$846United Airlines

Tue, Nov 10 - Tue, Nov 17

2:25 pm - 9:30 amAUS Austin Bergstrom-OPO Porto

13h 05m1 stop Newark

12:35 pm - 11:33 pmOPO Porto-AUS Austin Bergstrom

16h 58m1 stop Newark

$865United Airlines

Tue, Nov 10 - Tue, Nov 17

11:04 am - 10:35 amSAT San Antonio-OPO Porto

17h 31m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:55 am - 9:26 pmOPO Porto-SAT San Antonio

21h 31m2 stops Paris Charles de Gaulle Minneapolis St Paul

$876Delta

Tue, Nov 10 - Sun, Nov 15

11:04 am - 10:35 amSAT San Antonio-OPO Porto

17h 31m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:55 am - 10:54 pmOPO Porto-SAT San Antonio

22h 59m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$877Delta

Tue, Nov 10 - Sun, Nov 15

12:45 pm - 9:30 amSAT San Antonio-OPO Porto

14h 45m1 stop Newark

12:30 pm - 11:37 pmOPO Porto-SAT San Antonio

41h 07m2 stops Frankfurt am Main Chicago O'Hare Intl

$896United Airlines

Tue, Nov 10 - Sun, Nov 15

12:45 pm - 9:30 amSAT San Antonio-OPO Porto

14h 45m1 stop Newark

12:35 pm - 11:39 amOPO Porto-SAT San Antonio

29h 04m1 stop Newark

$1,540Brussels Airlines

Tue, Nov 10 - Sun, Nov 15

12:45 pm - 9:30 amSAT San Antonio-OPO Porto

14h 45m1 stop Newark

12:35 pm - 11:39 amOPO Porto-SAT San Antonio

29h 04m1 stop Newark

$1,680Brussels Airlines

Tue, Nov 10 - Sun, Nov 15

6:55 pm - 7:00 pmAUS Austin Bergstrom-OPO Porto

18h 05m2 stops London Heathrow Lisbon Humberto Delgado

11:00 am - 4:45 pmOPO Porto-AUS Austin Bergstrom

35h 45m3 stops Lisbon Humberto Delgado Dublin London Heathrow

$2,701Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

12:45 pm - 11:20 amSAT San Antonio-OPO Porto

16h 35m1 stop Newark

7:05 pm - 11:39 amOPO Porto-SAT San Antonio

22h 34m1 stop Newark

$2,939Multiple Airlines

Tue, Nov 10 - Sun, Nov 15

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KLM flights from Texas to Porto

Our best KLM deals on Texas to Porto flight tickets

KLM

Apr 13

IAH5:05 pmHouston George Bush Intcntl

16h 20m

1 stop

OPO3:25 pmPorto

Apr 23

OPO5:55 amPorto

14h 55m

1 stop

IAH2:50 pmHouston George Bush Intcntl

$720

KLM

Apr 27

AUS11:20 amAustin Bergstrom

17h 10m

1 stop

OPO10:30 amPorto

May 19

OPO5:00 amPorto

17h 10m

1 stop

AUS4:10 pmAustin Bergstrom

$772

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

American Airlines flights from Texas to Porto

Our best American Airlines deals on Texas to Porto flight tickets

American Airlines

Mar 8

IAH12:02 pmHouston George Bush Intcntl

17h 43m

2 stops

OPO11:45 amPorto

Mar 15

OPO8:40 pmPorto

18h 22m

2 stops

IAH10:02 amHouston George Bush Intcntl

$746

American Airlines

Mar 8

IAH12:02 pmHouston George Bush Intcntl

17h 43m

2 stops

OPO11:45 amPorto

Mar 15

OPO8:40 pmPorto

18h 22m

2 stops

IAH10:02 amHouston George Bush Intcntl

$748

American Airlines

Nov 10

DFW1:50 pmDallas/Fort Worth

20h 10m

1 stop

OPO4:00 pmPorto

Nov 17

OPO8:20 amPorto

17h 35m

2 stops

DFW7:55 pmDallas/Fort Worth

$825

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Wed 4/14

3:40 pm-3:40 pm

1 stop18h 00m

Porto

Wed 4/21

6:45 pm-9:24 pm

2 stops32h 39m

$708

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Tue 4/13

3:40 pm-3:40 pm

1 stop18h 00m

Porto

Fri 4/23

6:00 am-9:24 pm

2 stops21h 24m

$708

Quickest round-trip

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Tue 4/13

5:05 pm-3:25 pm

1 stop16h 20m

Porto

Fri 4/23

5:00 am-1:15 pm

1 stop14h 15m

$710

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Tue 4/13

5:05 pm-3:25 pm

1 stop16h 20m

Porto

Fri 4/23

5:00 am-1:15 pm

1 stop14h 15m

$711

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Sun 2/28

2:21 pm-9:30 am

1 stop13h 09m

Porto

Wed 3/3

6:00 am-6:15 pm

1 stop18h 15m

$711

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Mon 2/22

9:40 am-9:30 am

1 stop17h 50m

Porto

Fri 2/26

6:00 am-6:15 pm

1 stop18h 15m

$711

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Wed 4/14

5:05 pm-3:25 pm

1 stop16h 20m

Porto

Wed 4/21

7:05 pm-1:15 pm

1 stop24h 10m

$713

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Tue 4/13

5:05 pm-3:25 pm

1 stop16h 20m

Porto

Fri 4/23

5:55 am-2:50 pm

1 stop14h 55m

$720

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Mon 2/1

5:20 pm-8:00 pm

1 stop20h 40m

Porto

Tue 2/9

8:40 pm-5:00 pm

1 stop26h 20m

$757

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Mon 2/1

12:48 pm-11:45 am

2 stops16h 57m

Porto

Tue 2/9

12:25 pm-5:00 pm

1 stop34h 35m

$762

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 $704. If you aren’t able to travel during the month of January, then book flights to Porto from Texas during February instead. Flights to Porto in February, while not as cheap as those in January, still average around $709.

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

Best Price Found	$291
Fastest flight time	12h 55m
Direct flights	None

The best one-way flight to Porto from Texas in the past 72 hours is $291. The best round-trip flight deal from Texas to Porto found on momondo in the last 72 hours is $708.

The fastest flight from Texas to Porto takes 12h 55m

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

Search flight deals

Frequently asked questions about flying 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 November 2026, there are 6 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
KLM	PriceFrom $476	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Delta	PriceFrom $478	Free Cancellation	Rating 7.8 8,700 reviews	Search Delta flights
American Airlines	PriceFrom $589	Free Cancellation	Rating 7.0 12,224 reviews	Search American Airlines flights
Iberia	PriceFrom $619	Free Cancellation	Rating 7.0 3,230 reviews	Search Iberia flights
Lufthansa	PriceFrom $621	Free Cancellation	Rating 6.8 8,290 reviews	Search Lufthansa flights
United Airlines	PriceFrom $695	Free Cancellation	Rating 7.3 10,471 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 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.

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Cheap flights from Texas to Porto from $291

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Texas to Porto departing on 1/12. 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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KLM flights from Texas to Porto

Our best KLM deals on Texas to Porto flight tickets

American Airlines flights from Texas to Porto

Our best American Airlines deals on Texas to Porto flight tickets

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How to get the cheapest flight ticket from Texas to Porto

What is the cheapest month to fly to Porto?

Can stopping save me money on Texas to Porto flights?

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

What airlines fly to Porto?

How long does it take to fly to Porto?

Cheap Texas to Porto flight deals and tips

Best Price Found

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Frequently asked questions about flying from Texas to Porto

Best airlines flying from Texas to Porto

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

Traveling to a place near Porto?

Why use momondo?

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal

Fly your favorite airline to Porto

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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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