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$526+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — DFW
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Mytrip deal was found by Cheapflights users on 11/3. 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.
Thu 12/116:35 amOPO - AUS
3 stops35h 33mMultiple Airlines
Sat 1/1010:35 amAUS - OPO
3 stops28h 05mMultiple Airlines
Deal found 11/3$815
This KLM deal was found by Cheapflights users on 11/3. 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 11/106:30 amOPO - AUS
1 stop15h 40mMultiple Airlines
Mon 11/171:41 pmAUS - OPO
2 stops14h 49mMultiple Airlines
Deal found 11/3$817
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amOPO - AUS
2 stops20h 52mMultiple Airlines
Fri 1/3012:17 pmAUS - OPO
2 stops16h 53mMultiple Airlines
Deal found 11/3$818
This Lufthansa deal was found by Cheapflights users on 11/3. 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 12/56:00 amOPO - AUS
2 stops20h 43mLufthansa
Sat 1/3111:20 amAUS - OPO
2 stops19h 30mLufthansa
Deal found 11/3$819
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amOPO - AUS
3 stops23h 42mUnited Airlines
Wed 1/289:50 amAUS - OPO
2 stops19h 50mUnited Airlines
Deal found 11/3$821
This KLM deal was found by Cheapflights users on 11/3. 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 11/106:30 amOPO - AUS
1 stop15h 40mKLM
Mon 11/176:05 pmAUS - OPO
1 stop18h 35mKLM
Deal found 11/3$823
This KLM deal was found by Cheapflights users on 11/3. 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.
Thu 11/276:35 amOPO - DFW
2 stops19h 20mKLM
Mon 12/14:05 pmDFW - OPO
1 stop12h 25mKLM
Deal found 11/3$823
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 11/1311:15 amOPO - DFW
2 stops19h 01mDelta
Mon 11/178:45 amDFW - OPO
2 stops19h 45mDelta
Deal found 11/1$824
This KLM deal was found by Cheapflights users on 11/3. 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 12/34:10 pmOPO - AUS
1 stop30h 00mKLM
Thu 1/296:05 pmAUS - OPO
1 stop13h 15mKLM
Deal found 11/3$827
This Delta deal was found by Cheapflights users on 11/3. 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.
Thu 12/1111:15 amOPO - AUS
2 stops19h 13mDelta
Sat 1/106:10 pmAUS - OPO
1 stop22h 15mDelta
Deal found 11/3$829
This Air France deal was found by Cheapflights users on 11/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:20 amOPO - DFW
1 stop32h 40mAir France
Mon 11/174:05 pmDFW - OPO
1 stop12h 25mAir France
Deal found 11/1$837
This Delta deal was found by Cheapflights users on 11/3. 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.
Sat 12/66:00 amOPO - AUS
1 stop16h 10mDelta
Sun 2/19:30 amAUS - OPO
2 stops19h 00mDelta
Deal found 11/3$840

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 November 3, 2025.

Round-trip from

$815
(Mytrip)

One-way from

$526
(British Airways)

Popular in

July

Cheapest in

April

Average price

$829
From Porto to Texas
Search Deals
One-way flight from Porto to Texas
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($234 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 3, 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

Thu 4/23

6:00 am-10:29 pm

2 stops22h 29m

Austin Bergstrom

Thu 4/30

2:00 pm-9:45 am

1 stop13h 45m

$816

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 12/4

6:35 am-4:10 pm

1 stop15h 35m

Austin Bergstrom

Fri 1/30

8:00 am-10:30 am

2 stops20h 30m

$817

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 12/4

6:00 am-8:52 pm

2 stops20h 52m

Austin Bergstrom

Thu 1/29

1:00 pm-12:50 pm

2 stops17h 50m

$819

PortoAustin

OPO - AUS

OPOAUS

Porto

Fri 12/5

6:00 am-9:24 pm

2 stops21h 24m

Austin Bergstrom

Thu 1/29

1:00 pm-12:50 pm

2 stops17h 50m

$819

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 12/11

6:00 am-4:47 pm

2 stops40h 47m

Austin Bergstrom

Sat 1/10

11:20 am-11:40 am

2 stops18h 20m

$821

PortoAustin

OPO - AUS

OPOAUS

Porto

Sun 12/7

6:00 am-9:24 pm

2 stops21h 24m

Austin Bergstrom

Mon 2/2

9:50 am-11:40 am

2 stops19h 50m

$821

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 12/4

12:30 pm-12:04 pm

2 stops29h 34m

Austin Bergstrom

Tue 1/27

4:10 pm-11:40 am

1 stop13h 30m

$821

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 12/4

6:00 am-8:44 pm

2 stops20h 44m

Austin Bergstrom

Mon 2/2

12:17 pm-11:40 am

2 stops17h 23m

$821

PortoAustin

OPO - AUS

OPOAUS

Porto

Wed 12/3

12:30 pm-12:04 pm

2 stops29h 34m

Austin Bergstrom

Thu 1/29

4:10 pm-2:45 pm

1 stop16h 35m

$821

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 12/4

12:30 pm-12:04 pm

2 stops29h 34m

Austin Bergstrom

Wed 1/28

12:17 pm-11:40 am

2 stops17h 23m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 25 results
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2
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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.

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 November 3, 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.
KLM
7.7
Good
1,405 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,405 reviews
KLM
7.7
Good
1,405 reviews

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 35m. Fly via United Airlines, Delta, or Lufthansa 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?

    $526 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on American Airlines and TAP AIR PORTUGAL, with prices starting from $530 and $738, 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, 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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Alternative routes for Porto to Texas

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$809Average$1,055FlexibilityNo cancel feeOn-time75%

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