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$429+ Cheap flights from Porto (OPO) to Texas

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — DFW
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Porto to Texas

Cheapest flights from Porto to Texas
Explore the most affordable flight options available from Porto to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This American Airlines deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:20 amOPO - AUS
2 stops20h 38mAmerican Airlines
Mon 12/295:48 pmAUS - OPO
2 stops40h 12mAmerican Airlines
Deal found 12/19$928
This Delta deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:30 amOPO - AUS
1 stop15h 40mDelta
Mon 12/296:25 amAUS - OPO
2 stops22h 05mDelta
Deal found 12/19$1,082
This Finnair deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:25 pmOPO - DFW
1 stop28h 00mMultiple Airlines
Wed 1/75:30 pmDFW - OPO
1 stop17h 15mMultiple Airlines
Deal found 12/21$1,152
This KLM deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:25 amOPO - DFW
2 stops17h 03mKLM
Wed 1/711:58 amDFW - OPO
2 stops16h 32mKLM
Deal found 12/21$1,219

Find flight deals from Porto to Texas

Keep the following information in mind while searching for Porto to Texas flight deals. Data was last updated December 21, 2025.

Round-trip from

$716
(Iberia)

One-way from

$429
(Kiwi.com)
From Porto to Texas
Search Deals
One-way flight from Porto to Texas
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Texas 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, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Porto to Texas that are best for you.

Fly from

Porto

Fly to

Texas

Route

Depart

Return

Price

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 1/12

8:40 pm-5:30 am

1 stop14h 50m

Dallas/Fort Worth

Sun 1/18

7:00 pm-4:40 pm

1 stop15h 40m

$716

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 2/2

4:40 pm-5:30 am

1 stop18h 50m

Dallas/Fort Worth

Mon 2/9

3:45 pm-4:00 pm

2 stops18h 15m

$721

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 2/26

8:20 am-8:55 pm

2 stops18h 35m

Dallas/Fort Worth

Mon 3/2

3:45 pm-4:00 pm

2 stops18h 15m

$726

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 2/4

8:20 am-4:40 pm

1 stop14h 20m

Dallas/Fort Worth

Sun 2/8

1:55 pm-7:40 am

1 stop11h 45m

$733

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 1/12

8:40 pm-5:30 am

1 stop14h 50m

Dallas/Fort Worth

Sun 1/18

7:10 am-8:00 pm

2 stops30h 50m

$734

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 1/15

8:20 am-9:36 am

2 stops31h 16m

Austin Bergstrom

Mon 1/19

8:00 am-11:45 am

2 stops21h 45m

$739

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 1/15

6:00 am-8:49 pm

2 stops20h 49m

Austin Bergstrom

Mon 1/19

9:50 am-1:05 pm

3 stops21h 15m

$1,203

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 5/6

7:00 am-2:03 pm

2 stops37h 03m

$429

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 1/12

8:40 pm-7:34 pm

3 stops52h 54m

$429

PortoAustin

OPO - AUS

OPOAUS

Porto

Sun 4/26

8:25 am-11:14 am

2 stops56h 49m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 19 results
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Best time to book a flight from Porto to Texas

Have a flexible travel schedule? Discover the best time to fly to Texas from Porto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Porto to Texas

What is the cheapest month to book a flight from Porto to Texas?

Currently, June is the cheapest month in which you can book a flight from Porto to Texas (average of $523). Flying from Porto to Texas in August is currently the most expensive (average of $931). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Porto to Texas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Porto to Texas?

    Most people fly from Porto (OPO) if they book a flight from Porto to Texas. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from Porto to Texas?

    There are many flights that can get you from Porto to Texas in 18h 35m. Fly via Iberia, American Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 4688 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Porto to Texas that include hotel bookings?

    Yes. In addition to deals on Porto to Texas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Texas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Texas.

  • Can I find deals for business class flights from Porto to Texas?

    Yes. Cheapflights offers flight deals from Porto to Texas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto to Texas?

    Currently, June is the cheapest month in which you can book a flight from Porto to Texas (average of $523). Flying from Porto to Texas in August is currently the most expensive (average of $931). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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