Texas

$492+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — DFW
Oct 15 — Oct 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Porto to Texas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Porto to Texas

Keep the following information in mind while searching for Porto to Texas flight deals. Data was last updated September 15, 2025.

Round-trip from

$706
(Mytrip)

One-way from

$492
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,052
From Porto to Texas
One-way flight from Porto to Texas
Highest demand for flights based on searches. 20% potential increase in price ($232 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 15, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:15 amOPO - AUS
3 stops35h 02mMultiple Airlines
Mon 11/1010:35 amAUS - OPO
3 stops24h 25mMultiple Airlines
Deal found 9/15$706
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 amOPO - DFW
2 stops22h 17mMultiple Airlines
Sun 10/55:10 amDFW - OPO
2 stops31h 05mMultiple Airlines
Deal found 9/14$713
This Delta deal was found by Cheapflights users on 9/15. 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 11/36:30 amOPO - AUS
1 stop15h 40mDelta
Mon 11/106:40 amAUS - OPO
2 stops21h 35mDelta
Deal found 9/15$724
This KLM deal was found by Cheapflights users on 9/15. 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.
Mon 11/36:30 amOPO - AUS
1 stop15h 40mKLM
Mon 11/106:05 pmAUS - OPO
1 stop18h 35mKLM
Deal found 9/15$729
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/36:40 amOPO - AUS
2 stops22h 03mDelta
Tue 10/71:40 pmAUS - OPO
2 stops19h 55mDelta
Deal found 9/15$735
This KLM deal was found by Cheapflights users on 9/14. 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.
Wed 10/16:15 amOPO - DFW
2 stops17h 18mKLM
Sun 10/123:50 pmDFW - OPO
1 stop17h 40mKLM
Deal found 9/14$744
This American Airlines deal was found by Cheapflights users on 9/15. 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 11/38:20 amOPO - AUS
2 stops19h 25mAmerican Airlines
Mon 11/108:22 amAUS - OPO
2 stops17h 18mAmerican Airlines
Deal found 9/15$749
This British Airways deal was found by Cheapflights users on 9/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:20 pmOPO - DFW
1 stop25h 55mBritish Airways
Sun 10/55:40 pmDFW - OPO
1 stop20h 40mBritish Airways
Deal found 9/14$753
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:55 amOPO - DFW
2 stops23h 04mMultiple Airlines
Sun 10/125:10 amDFW - OPO
3 stops35h 25mMultiple Airlines
Deal found 9/14$765
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/16:15 amOPO - DFW
2 stops17h 18mDelta
Sun 10/126:50 amDFW - OPO
2 stops21h 50mDelta
Deal found 9/14$808
This Lufthansa deal was found by Cheapflights users on 9/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:35 pmOPO - AUS
1 stop14h 00mLufthansa
Tue 10/711:11 amAUS - OPO
1 stop16h 34mLufthansa
Deal found 9/15$818
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:00 amOPO - AUS
3 stops33h 30mMultiple Airlines
Tue 10/710:00 amAUS - OPO
3 stops27h 00mMultiple Airlines
Deal found 9/15$1,094

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 September 15, 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

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 11/3

6:15 am-11:17 am

3 stops35h 02m

Austin Bergstrom

Mon 11/10

10:35 am-5:00 pm

3 stops24h 25m

$706

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 10/1

6:00 am-10:17 pm

2 stops22h 17m

Dallas/Fort Worth

Sun 10/5

5:10 am-6:15 pm

2 stops31h 05m

$713

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 11/3

6:30 am-4:10 pm

1 stop15h 40m

Austin Bergstrom

Mon 11/10

6:40 am-10:15 am

2 stops21h 35m

$724

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 11/3

6:30 am-4:10 pm

1 stop15h 40m

Austin Bergstrom

Mon 11/10

6:05 pm-6:40 pm

1 stop18h 35m

$729

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 10/3

6:40 am-10:43 pm

2 stops22h 03m

Austin Bergstrom

Tue 10/7

1:40 pm-3:35 pm

2 stops19h 55m

$735

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 10/1

6:15 am-5:33 pm

2 stops17h 18m

Dallas/Fort Worth

Sun 10/12

3:50 pm-3:30 pm

1 stop17h 40m

$744

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 10/1

6:15 am-5:33 pm

2 stops17h 18m

Dallas/Fort Worth

Sun 10/5

3:50 pm-3:30 pm

1 stop17h 40m

$744

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 11/3

8:20 am-9:45 pm

2 stops19h 25m

Austin Bergstrom

Mon 11/10

8:22 am-7:40 am

2 stops17h 18m

$749

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 10/1

8:20 pm-4:15 pm

1 stop25h 55m

Dallas/Fort Worth

Sun 10/5

5:40 pm-8:20 pm

1 stop20h 40m

$753

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 10/1

6:55 am-11:59 pm

2 stops23h 04m

Dallas/Fort Worth

Sun 10/12

5:10 am-10:35 pm

3 stops35h 25m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 24 results
1
2
3

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, August is the cheapest month in which you can book a flight from Porto to Texas (average of $216). Flying from Porto to Texas in March is currently the most expensive (average of $295). 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.

Reviews of airlines servicing Texas

Get insights into the airlines that provide service to Texas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Texas. Reviews last updated September 15, 2025.
Read reviews from past customers who have flown KLM from Porto to Texas. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 15h 40m. Fly via Delta, KLM, or American Airlines to get the fastest option. Airlines will cover a distance of 4829 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Porto to Texas one-way?

    $723 is the cheapest one-way deal found within the past few days, from Turkish Airlines. You may also be able to find cheap deals on Lufthansa and SWISS, with prices starting from $791 and $2,733, respectively.

  • 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, August is the cheapest month in which you can book a flight from Porto to Texas (average of $216). Flying from Porto to Texas in March is currently the most expensive (average of $295). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Porto to Texas

Discover the top airline that operate flights from Porto to Texas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$809Average$1,055FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.