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Cheap flights from Texas to Porto from $340

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 10/24. 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.
Lufthansa Logo
4:05 pm - 10:45 pm
AUS
-
OPO
24h 40m
1 stop
Lufthansa Logo
6:00 am - 7:50 pm
OPO
-
AUS
19h 50m
2 stops
$718Lufthansa
Fri, Oct 2 - Sat, Oct 10
United Airlines Logo
9:40 pm - 7:00 am
IAH
-
OPO
27h 20m
2 stops
United Airlines Logo
12:45 pm - 4:45 pm
OPO
-
IAH
34h 00m
2 stops
$766United Airlines
Mon, Oct 12 - Wed, Oct 21
KLM Logo
6:00 pm - 3:30 pm
AUS
-
OPO
15h 30m
2 stops
KLM Logo
4:10 pm - 5:05 pm
OPO
-
AUS
29h 55m
1 stop
$774KLM
Sun, Oct 18 - Wed, Oct 28
Multiple Airlines Logo
6:45 pm - 10:30 am
AUS
-
OPO
33h 45m
1 stop
Multiple Airlines Logo
4:10 pm - 5:05 pm
OPO
-
AUS
29h 55m
1 stop
$776Multiple Airlines
Sun, Oct 18 - Wed, Oct 28
American Airlines Logo
3:39 pm - 4:00 pm
AUS
-
OPO
18h 21m
2 stops
American Airlines Logo
8:40 pm - 11:54 am
OPO
-
AUS
20h 14m
2 stops
$785American Airlines
Sun, Oct 18 - Wed, Oct 28
Turkish Airlines Logo
9:30 pm - 9:40 am
DFW
-
OPO
30h 10m
1 stop
Turkish Airlines Logo
10:40 am - 7:35 pm
OPO
-
DFW
38h 55m
1 stop
$786Turkish Airlines
Wed, Oct 14 - Tue, Oct 20
Turkish Airlines Logo
9:30 pm - 3:45 pm
DFW
-
OPO
36h 15m
1 stop
Turkish Airlines Logo
10:40 am - 7:35 pm
OPO
-
DFW
38h 55m
1 stop
$787Turkish Airlines
Wed, Oct 14 - Tue, Oct 20
Scandinavian Airlines Logo
11:20 am - 11:05 am
DFW
-
OPO
41h 45m
2 stops
Scandinavian Airlines Logo
11:55 am - 9:07 pm
OPO
-
DFW
39h 12m
2 stops
$790Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
Multiple Airlines Logo
12:55 pm - 10:30 am
IAH
-
OPO
15h 35m
1 stop
Multiple Airlines Logo
11:15 am - 1:05 pm
OPO
-
IAH
31h 50m
1 stop
$810Multiple Airlines
Thu, Oct 22 - Sun, Nov 1
KLM Logo
3:55 pm - 3:25 pm
IAH
-
OPO
17h 30m
1 stop
KLM Logo
4:20 pm - 1:15 pm
OPO
-
IAH
26h 55m
1 stop
$816KLM
Fri, Oct 16 - Tue, Oct 20

Turkish Airlines flights from Texas to Porto

Our best Turkish Airlines deals on Texas to Porto flight tickets
Turkish Airlines
Oct 14
DFW9:30 pmDallas/Fort Worth
30h 10m
1 stop
OPO9:40 amPorto
Oct 20
OPO10:40 amPorto
38h 55m
1 stop
DFW7:35 pmDallas/Fort Worth
$786
Turkish Airlines
Oct 14
DFW9:30 pmDallas/Fort Worth
36h 15m
1 stop
OPO3:45 pmPorto
Oct 20
OPO10:40 amPorto
38h 55m
1 stop
DFW7:35 pmDallas/Fort Worth
$787
Turkish Airlines
Oct 12
IAH9:10 pmHouston George Bush Intcntl
30h 35m
1 stop
OPO9:45 amPorto
Oct 21
OPO4:40 pmPorto
32h 35m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$791

United Airlines flights from Texas to Porto

Our best United Airlines deals on Texas to Porto flight tickets
United Airlines
Oct 12
IAH9:40 pmHouston George Bush Intcntl
27h 20m
2 stops
OPO7:00 amPorto
Oct 21
OPO12:45 pmPorto
34h 00m
2 stops
IAH4:45 pmHouston George Bush Intcntl
$766
United Airlines
Sep 26
AUS5:16 pmAustin Bergstrom
34h 29m
2 stops
OPO9:45 amPorto
Oct 7
OPO12:45 pmPorto
41h 04m
2 stops
AUS11:49 pmAustin Bergstrom
$796
United Airlines
Sep 26
AUS5:40 pmAustin Bergstrom
34h 05m
1 stop
OPO9:45 amPorto
Oct 7
OPO12:45 pmPorto
41h 04m
2 stops
AUS11:49 pmAustin Bergstrom
$797

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 May 13, 2026.
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

Cheapest round-trip

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Fri 10/2

4:05 pm-10:45 pm

1 stop24h 40m

Porto

Sat 10/10

6:00 am-7:50 pm

2 stops19h 50m

$718

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Mon 10/12

9:40 pm-7:00 am

2 stops27h 20m

Porto

Wed 10/21

12:45 pm-4:45 pm

2 stops34h 00m

$766

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 10/18

6:00 pm-3:30 pm

2 stops15h 30m

Porto

Wed 10/28

4:10 pm-5:05 pm

1 stop29h 55m

$774

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 10/18

6:45 pm-10:30 am

1 stop33h 45m

Porto

Wed 10/28

4:10 pm-5:05 pm

1 stop29h 55m

$776
Quickest round-trip

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 10/18

3:39 pm-4:00 pm

2 stops18h 21m

Porto

Wed 10/28

8:40 pm-11:54 am

2 stops20h 14m

$785

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 10/14

9:30 pm-9:40 am

1 stop30h 10m

Porto

Tue 10/20

10:40 am-7:35 pm

1 stop38h 55m

$786

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 10/14

9:30 pm-3:45 pm

1 stop36h 15m

Porto

Tue 10/20

10:40 am-7:35 pm

1 stop38h 55m

$787

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/2

11:20 am-11:05 am

2 stops41h 45m

Porto

Mon 11/9

11:55 am-9:07 pm

2 stops39h 12m

$790

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Thu 10/22

12:55 pm-10:30 am

1 stop15h 35m

Porto

Sun 11/1

11:15 am-1:05 pm

1 stop31h 50m

$810

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Fri 10/16

3:55 pm-3:25 pm

1 stop17h 30m

Porto

Tue 10/20

4:20 pm-1:15 pm

1 stop26h 55m

$816

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 month to fly to Porto?

The month of December is, on average, the cheapest month to fly to Porto from Texas, with most prices found around $414. If you aren’t able to travel during the month of December, then book flights to Porto from Texas during March instead. Flights to Porto in March, while not as cheap as those in December, still average around $442.

How far in advance should I book a flight from Texas 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 $812 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 $648 on momondo.

Can stopping save me money on Texas to Porto flights?

You could potentially save up to 25% 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

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?

  • 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 $476Free CancellationRating
7.8
1,517 reviews
Search KLM flights
DeltaPriceFrom $541Free CancellationRating
7.9
8,450 reviews
Search Delta flights
American AirlinesPriceFrom $546Free CancellationRating
7.1
11,661 reviews
Search American Airlines flights
United AirlinesPriceFrom $581Free CancellationRating
7.4
9,708 reviews
Search United Airlines flights
IberiaPriceFrom $588Free CancellationRating
7.0
3,215 reviews
Search Iberia flights
Turkish AirlinesPriceFrom $653Free CancellationRating
7.4
4,362 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $668Free CancellationRating
6.8
7,995 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
Lamego
Esposende
Chaves
Pinhao
Espinho
Guimarães
Arcos de Valdevez
Viseu
Ponte de Lima
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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