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$333+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — DFW
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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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 abril 30, 2025.

Round-trip from

$752
(British Airways)

One-way from

$333
(Kiwi.com)

Popular in

August

Cheapest in

April

Average price

$694
From Porto to Texas
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One-way flight from Porto to Texas
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Highest demand for flights based on searches. 22% potential increase in price ($258 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 abril 30, 2025.

This British Airways deal was found by Cheapflights users on 4/27. 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.
mié. 9/1012:20 pmOPO - AUS
2 stops17h 32mBritish Airways
mar. 9/305:30 pmAUS - OPO
2 stops16h 25mBritish Airways
Deal found 4/27$752
This 123 Milhas deal was found by Cheapflights users on 4/27. 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 123 Milhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1012:20 pmOPO - AUS
2 stops16h 22mIberia
mar. 9/307:30 pmAUS - OPO
2 stops14h 25mIberia
Deal found 4/27$755
This British Airways deal was found by Cheapflights users on 4/29. 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.
sáb. 5/1012:20 pmOPO - DFW
1 stop13h 50mBritish Airways
dom. 5/187:35 pmDFW - OPO
1 stop18h 45mBritish Airways
Deal found 4/29$766
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/1012:20 pmOPO - DFW
1 stop13h 50mMultiple Airlines
dom. 5/189:30 pmDFW - OPO
1 stop16h 50mMultiple Airlines
Deal found 4/29$776
This Air France deal was found by Cheapflights users on 4/27. 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.
mié. 9/108:10 pmOPO - AUS
1 stop25h 50mMultiple Airlines
mar. 9/304:40 pmAUS - OPO
2 stops16h 50mMultiple Airlines
Deal found 4/27$793
This Air Canada deal was found by Cheapflights users on 4/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/286:00 amOPO - DFW
2 stops21h 44mAir Canada
mié. 6/49:25 amDFW - OPO
1 stop17h 55mAir Canada
Deal found 4/29$801
This United Airlines deal was found by Cheapflights users on 4/27. 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.
mar. 9/912:50 pmOPO - AUS
1 stop13h 05mUnited Airlines
mar. 9/302:00 pmAUS - OPO
1 stop13h 45mUnited Airlines
Deal found 4/27$812
This Delta deal was found by Cheapflights users on 4/29. 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.
mié. 5/286:15 amOPO - DFW
2 stops23h 21mDelta
mié. 6/41:27 pmDFW - OPO
2 stops20h 08mDelta
Deal found 4/29$814
This United Airlines deal was found by Cheapflights users on 4/29. 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.
mié. 6/119:35 amOPO - DFW
1 stop14h 29mUnited Airlines
lun. 6/231:55 pmDFW - OPO
1 stop13h 50mUnited Airlines
Deal found 4/29$830
This Delta deal was found by Cheapflights users on 4/28. 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.
mié. 7/306:15 amOPO - AUS
2 stops22h 12mDelta
lun. 8/252:45 pmAUS - OPO
2 stops18h 45mDelta
Deal found 4/28$999
This KLM deal was found by Cheapflights users on 4/29. 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.
mié. 7/308:10 pmOPO - AUS
1 stop25h 50mKLM
lun. 8/256:00 pmAUS - OPO
1 stop15h 35mKLM
Deal found 4/29$1,080

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 abril 30, 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

mié. 9/10

12:20 pm-11:52 pm

2 stops17h 32m

Austin Bergstrom

mar. 9/30

5:30 pm-3:55 pm

2 stops16h 25m

$752

PortoAustin

OPO - AUS

OPOAUS

Porto

mié. 9/10

12:20 pm-10:42 pm

2 stops16h 22m

Austin Bergstrom

mar. 9/30

7:30 pm-3:55 pm

2 stops14h 25m

$755

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 5/10

12:20 pm-8:10 pm

1 stop13h 50m

Dallas/Fort Worth

dom. 5/18

7:35 pm-8:20 pm

1 stop18h 45m

$766

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 5/10

12:20 pm-8:10 pm

1 stop13h 50m

Dallas/Fort Worth

dom. 5/18

9:30 pm-8:20 pm

1 stop16h 50m

$776

PortoAustin

OPO - AUS

OPOAUS

Porto

mié. 9/10

8:10 pm-4:00 pm

1 stop25h 50m

Austin Bergstrom

mar. 9/30

4:40 pm-3:30 pm

2 stops16h 50m

$793

PortoDallas

OPO - DFW

OPODFW

Porto

mié. 5/28

6:00 am-9:44 pm

2 stops21h 44m

Dallas/Fort Worth

mié. 6/4

9:25 am-9:20 am

1 stop17h 55m

$801

PortoAustin

OPO - AUS

OPOAUS

Porto

mar. 9/9

12:50 pm-7:55 pm

1 stop13h 05m

Austin Bergstrom

mar. 9/30

2:00 pm-9:45 am

1 stop13h 45m

$812

PortoDallas

OPO - DFW

OPODFW

Porto

mié. 5/28

6:15 am-11:36 pm

2 stops23h 21m

Dallas/Fort Worth

mié. 6/4

1:27 pm-3:35 pm

2 stops20h 08m

$814

PortoDallas

OPO - DFW

OPODFW

Porto

mié. 6/11

9:35 am-6:04 pm

1 stop14h 29m

Dallas/Fort Worth

lun. 6/23

1:55 pm-9:45 am

1 stop13h 50m

$830

PortoAustin

OPO - AUS

OPOAUS

Porto

mié. 7/30

6:15 am-10:27 pm

2 stops22h 12m

Austin Bergstrom

lun. 8/25

2:45 pm-3:30 pm

2 stops18h 45m

$999

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 23 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, 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.

Rainfall in Texas by month

Plan your trip to Texas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Texas ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Texas when rainfall is around 3.2 in.

Temperature in Texas by month

Plan your trip to Texas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 abril 30, 2025.
To help decide which airline to fly from Porto to Texas, see what other customers have to say about Delta, KLM and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    $670 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 American Airlines and Delta, with prices starting from $711 and $864, 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

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Alternative routes for Porto to Texas

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Top 2 airlines flying from Porto to Texas

Discover the top 2 airlines 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$788Average$1,021FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$811Average$895FlexibilityNo cancel feeOn-time71%

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