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Cheap flights from Texas to Porto from $269

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 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Texas to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:48 pm - 10:30 am
AUS
-
OPO
15h 42m2 stops
Multiple Airlines Logo
4:10 pm - 4:10 pm
OPO
-
AUS
30h 00m1 stop
$483Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
12:17 pm - 12:50 pm
AUS
-
OPO
18h 33m2 stops
Multiple Airlines Logo
6:00 am - 12:19 pm
OPO
-
AUS
36h 19m2 stops
$490Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Lufthansa Logo
4:10 pm - 11:40 am
AUS
-
OPO
13h 30m1 stop
Lufthansa Logo
6:00 am - 8:49 pm
OPO
-
AUS
20h 49m2 stops
$492Lufthansa
Tue, Jan 20 - Tue, Jan 27
Delta Logo
7:20 am - 10:30 am
AUS
-
OPO
21h 10m2 stops
Delta Logo
5:00 am - 10:55 pm
OPO
-
AUS
23h 55m2 stops
$493Delta
Sun, Jan 18 - Sun, Jan 25
United Airlines Logo
4:10 pm - 11:40 am
AUS
-
OPO
13h 30m1 stop
United Airlines Logo
6:00 am - 12:19 pm
OPO
-
AUS
36h 19m2 stops
$498United Airlines
Tue, Feb 3 - Tue, Feb 10
Air Canada Logo
11:30 am - 2:45 pm
AUS
-
OPO
21h 15m2 stops
Air Canada Logo
6:00 am - 12:19 pm
OPO
-
AUS
36h 19m2 stops
$501Air Canada
Thu, Feb 5 - Thu, Feb 12
United Airlines Logo
11:20 am - 11:40 am
AUS
-
OPO
18h 20m2 stops
United Airlines Logo
6:00 am - 12:19 pm
OPO
-
AUS
36h 19m2 stops
$503United Airlines
Tue, Feb 3 - Tue, Feb 10
Air Canada Logo
12:10 pm - 12:05 pm
IAH
-
OPO
17h 55m2 stops
Air Canada Logo
6:00 am - 9:44 pm
OPO
-
IAH
21h 44m2 stops
$527Air Canada
Mon, Jan 19 - Tue, Feb 3
Lufthansa Logo
1:00 pm - 12:50 pm
AUS
-
OPO
17h 50m2 stops
Lufthansa Logo
6:00 am - 8:49 pm
OPO
-
AUS
20h 49m2 stops
$543Lufthansa
Tue, Jan 20 - Tue, Jan 27
Delta Logo
7:00 am - 10:30 am
IAH
-
OPO
21h 30m2 stops
Delta Logo
11:15 am - 1:30 pm
OPO
-
IAH
32h 15m1 stop
$554Delta
Tue, Feb 10 - Wed, Feb 18

Lufthansa flights from Texas to Porto

Our best Lufthansa deals on Texas to Porto flight tickets
Lufthansa
Jan 20
AUS4:10 pmAustin Bergstrom
13h 30m
1 stop
OPO11:40 amPorto
Jan 27
OPO6:00 amPorto
20h 49m
2 stops
AUS8:49 pmAustin Bergstrom
$492
Find similar
Lufthansa
Jan 19
IAH4:30 pmHouston George Bush Intcntl
16h 25m
1 stop
OPO2:55 pmPorto
Feb 3
OPO6:00 amPorto
18h 15m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$520
Find similar
Lufthansa
Jan 20
AUS1:00 pmAustin Bergstrom
17h 50m
2 stops
OPO12:50 pmPorto
Jan 27
OPO6:00 amPorto
20h 49m
2 stops
AUS8:49 pmAustin Bergstrom
$543
Find similar

Delta flights from Texas to Porto

Our best Delta deals on Texas to Porto flight tickets
Delta
Jan 18
AUS7:20 amAustin Bergstrom
21h 10m
2 stops
OPO10:30 amPorto
Jan 25
OPO5:00 amPorto
23h 55m
2 stops
AUS10:55 pmAustin Bergstrom
$493
Find similar
Delta
Feb 10
IAH7:00 amHouston George Bush Intcntl
21h 30m
2 stops
OPO10:30 amPorto
Feb 18
OPO11:15 amPorto
32h 15m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$554
Find similar
Delta
Feb 9
IAH5:30 pmHouston George Bush Intcntl
35h 00m
2 stops
OPO10:30 amPorto
Feb 16
OPO11:15 amPorto
32h 15m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$565
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Texas to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 22, 2025.
Use the filters below to find and compare flights from Texas to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 1/18

12:48 pm-10:30 am

2 stops15h 42m

Porto

Sun 1/25

4:10 pm-4:10 pm

1 stop30h 00m

$483

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 1/20

12:17 pm-12:50 pm

2 stops18h 33m

Porto

Tue 1/27

6:00 am-12:19 pm

2 stops36h 19m

$490

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 1/20

4:10 pm-11:40 am

1 stop13h 30m

Porto

Tue 1/27

6:00 am-8:49 pm

2 stops20h 49m

$492

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 1/18

7:20 am-10:30 am

2 stops21h 10m

Porto

Sun 1/25

5:00 am-10:55 pm

2 stops23h 55m

$493

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 2/3

4:10 pm-11:40 am

1 stop13h 30m

Porto

Tue 2/10

6:00 am-12:19 pm

2 stops36h 19m

$498

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 2/5

11:30 am-2:45 pm

2 stops21h 15m

Porto

Thu 2/12

6:00 am-12:19 pm

2 stops36h 19m

$501

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 2/3

11:20 am-11:40 am

2 stops18h 20m

Porto

Tue 2/10

6:00 am-12:19 pm

2 stops36h 19m

$503

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Mon 1/19

12:10 pm-12:05 pm

2 stops17h 55m

Porto

Tue 2/3

6:00 am-9:44 pm

2 stops21h 44m

$527

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 1/20

1:00 pm-12:50 pm

2 stops17h 50m

Porto

Tue 1/27

6:00 am-8:49 pm

2 stops20h 49m

$543

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 2/10

7:00 am-10:30 am

2 stops21h 30m

Porto

Wed 2/18

11:15 am-1:30 pm

1 stop32h 15m

$554

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

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

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 $832 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 $703 on momondo.

Can stopping save me money on Texas to Porto flights?

You could potentially save up to 21% 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

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Texas to Porto takes 12h 25m
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?

  • 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
KLMPriceFrom $531Free CancellationRating
7.7
1,434 reviews
Search KLM flights
DeltaPriceFrom $541Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $546Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
IberiaPriceFrom $576Free CancellationRating
7.0
3,056 reviews
Search Iberia flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
LufthansaPriceFrom $679Free CancellationRating
6.8
7,649 reviews
Search Lufthansa flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Guimarães
Esposende
Lamego
Chaves
Viseu
Espinho
Ponte de Lima
Arcos de Valdevez
Pinhao
Curia
Penafiel
Mesao Frio
Mira
Baiao

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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