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

American Airlines is the most popular carrier 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.

$350 Cheap Flights from Porto to Texas in 2025/26

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0 bags

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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.

8:55 am - 11:24 pm

OPO

AUS

20h 29m2 stops

5:50 am - 11:50 am

AUS

OPO

24h 00m1 stop

$673Multiple Airlines

Wed, Jan 14 - Tue, Jan 20

6:40 pm - 7:55 pm

OPO

DFW

31h 15m2 stops

1:36 pm - 3:00 pm

DFW

OPO

19h 24m2 stops

$677Multiple Airlines

Mon, Feb 9 - Tue, Feb 17

6:15 am - 11:24 pm

OPO

AUS

47h 09m3 stops

5:50 am - 5:10 pm

AUS

OPO

29h 20m3 stops

$696Multiple Airlines

Mon, Jan 12 - Wed, Jan 21

6:35 pm - 11:24 pm

OPO

AUS

34h 49m1 stop

5:50 am - 11:00 am

AUS

OPO

23h 10m2 stops

$697Multiple Airlines

Thu, Jan 15 - Thu, Jan 22

6:35 pm - 4:04 pm

OPO

AUS

27h 29m2 stops

5:50 am - 8:00 am

AUS

OPO

20h 10m2 stops

$713Multiple Airlines

Sat, Jan 31 - Sat, Feb 7

12:35 pm - 8:57 pm

OPO

AUS

14h 22m1 stop

3:35 pm - 9:45 am

AUS

OPO

12h 10m1 stop

$748United Airlines

Mon, Mar 30 - Mon, Apr 13

5:00 am - 11:19 pm

OPO

DFW

24h 19m2 stops

4:05 pm - 10:30 am

DFW

OPO

12h 25m1 stop

$825Delta

Mon, Feb 9 - Tue, Feb 17

11:25 am - 2:00 pm

OPO

DFW

32h 35m1 stop

4:05 pm - 10:30 am

DFW

OPO

12h 25m1 stop

$839KLM

Mon, Feb 9 - Tue, Feb 17

6:15 am - 9:32 pm

OPO

DFW

21h 17m2 stops

12:00 pm - 2:45 pm

DFW

OPO

20h 45m2 stops

$876Air Canada

Mon, Feb 9 - Tue, Feb 17

12:35 pm - 9:59 pm

OPO

DFW

15h 24m1 stop

9:55 am - 9:30 am

DFW

OPO

17h 35m2 stops

$878United Airlines

Thu, Feb 26 - Mon, Mar 2

Delta flights from Porto to Texas

Our best Delta deals on Porto to Texas flight tickets

Delta

Feb 9

OPO5:00 amPorto

24h 19m

2 stops

DFW11:19 pmDallas/Fort Worth

Feb 17

DFW4:05 pmDallas/Fort Worth

12h 25m

1 stop

OPO10:30 amPorto

$825

Find similar

Delta

Jan 15

OPO11:15 amPorto

53h 20m

2 stops

AUS10:35 amAustin Bergstrom

Jan 22

AUS10:51 amAustin Bergstrom

17h 34m

2 stops

OPO10:25 amPorto

$885

Find similar

KLM flights from Porto to Texas

Our best KLM deals on Porto to Texas flight tickets

KLM

Feb 9

OPO11:25 amPorto

32h 35m

1 stop

DFW2:00 pmDallas/Fort Worth

Feb 17

DFW4:05 pmDallas/Fort Worth

12h 25m

1 stop

OPO10:30 amPorto

$839

Find similar

KLM

Jan 31

OPO5:00 amPorto

17h 10m

1 stop

AUS4:10 pmAustin Bergstrom

Feb 7

AUS6:10 pmAustin Bergstrom

15h 15m

1 stop

OPO3:25 pmPorto

$862

Find similar

KLM

Jan 15

OPO6:35 amPorto

15h 35m

1 stop

AUS4:10 pmAustin Bergstrom

Jan 22

AUS6:05 pmAustin Bergstrom

34h 25m

1 stop

OPO10:30 amPorto

$932

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 1/14

8:55 am-11:24 pm

2 stops20h 29m

Austin Bergstrom

Tue 1/20

5:50 am-11:50 am

1 stop24h 00m

$673

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 2/9

6:40 pm-7:55 pm

2 stops31h 15m

Dallas/Fort Worth

Tue 2/17

1:36 pm-3:00 pm

2 stops19h 24m

$677

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 1/12

6:15 am-11:24 pm

3 stops47h 09m

Austin Bergstrom

Wed 1/21

5:50 am-5:10 pm

3 stops29h 20m

$696

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 1/15

6:35 pm-11:24 pm

1 stop34h 49m

Austin Bergstrom

Thu 1/22

5:50 am-11:00 am

2 stops23h 10m

$697

PortoAustin

OPO - AUS

OPOAUS

Porto

Sat 1/31

6:35 pm-4:04 pm

2 stops27h 29m

Austin Bergstrom

Sat 2/7

5:50 am-8:00 am

2 stops20h 10m

$713

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 3/30

12:35 pm-8:57 pm

1 stop14h 22m

Austin Bergstrom

Mon 4/13

3:35 pm-9:45 am

1 stop12h 10m

$748

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 2/9

5:00 am-11:19 pm

2 stops24h 19m

Dallas/Fort Worth

Tue 2/17

4:05 pm-10:30 am

1 stop12h 25m

$825

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 2/9

11:25 am-2:00 pm

1 stop32h 35m

Dallas/Fort Worth

Tue 2/17

4:05 pm-10:30 am

1 stop12h 25m

$839

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 2/9

6:15 am-9:32 pm

2 stops21h 17m

Dallas/Fort Worth

Tue 2/17

12:00 pm-2:45 pm

2 stops20h 45m

$876

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 2/26

12:35 pm-9:59 pm

1 stop15h 24m

Dallas/Fort Worth

Mon 3/2

9:55 am-9:30 am

2 stops17h 35m

$878

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 day to depart on your flight to Texas?

According to our data, Sunday is the cheapest day to fly to Texas from Porto. The lowest ticket price found for a Sunday departure recently was $845. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Texas on Saturday is $962.

Can stopping save me money on Porto to Texas flights?

You could potentially save up to 12% 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	14h 22m
Direct flights	None

The fastest flight from Porto to Texas takes 14h 22m

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

Search flight deals

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.