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$276+ Cheap flights from Texas to Porto (OPO)

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Texas to Porto

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

Round-trip from

$535
(United Airlines)

One-way from

$276
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,012
From Texas to Porto
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One-way flight from Texas to Porto
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Highest demand for flights based on searches. 2% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Texas to Porto

Cheapest flights from Texas to Porto
Explore the most affordable flight options available from Texas to Porto. 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 9/13. 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.
Tue 10/2812:20 pmDFW - OPO
2 stops18h 45mMultiple Airlines
Tue 11/46:00 amOPO - DFW
2 stops21h 32mMultiple Airlines
Deal found 9/13$533
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:00 amDFW - OPO
1 stop20h 45mUnited Airlines
Wed 11/512:35 pmOPO - DFW
2 stops26h 16mUnited Airlines
Deal found 9/14$535
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:35 pmDFW - OPO
2 stops16h 25mIberia
Tue 12/168:20 amOPO - DFW
2 stops19h 15mIberia
Deal found 9/14$558
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.
Tue 10/1410:00 amAUS - OPO
2 stops23h 00mMultiple Airlines
Tue 10/2110:50 pmOPO - AUS
2 stops21h 30mMultiple Airlines
Deal found 9/14$563
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:15 amAUS - OPO
2 stops20h 15mUnited Airlines
Thu 12/116:00 amOPO - AUS
2 stops20h 41mUnited Airlines
Deal found 9/15$564
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:55 pmDFW - OPO
1 stop11h 45mBritish Airways
Tue 12/168:20 amOPO - DFW
1 stop14h 10mBritish Airways
Deal found 9/14$564
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 11/197:10 amAUS - OPO
2 stops20h 20mUnited Airlines
Wed 11/2612:35 pmOPO - AUS
2 stops27h 35mUnited Airlines
Deal found 9/13$567
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:05 pmAUS - OPO
2 stops18h 10mMultiple Airlines
Wed 11/266:00 amOPO - AUS
2 stops36h 19mMultiple Airlines
Deal found 9/14$581
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.
Mon 10/209:25 amDFW - OPO
3 stops24h 30mMultiple Airlines
Wed 11/56:05 amOPO - DFW
2 stops21h 04mMultiple Airlines
Deal found 9/14$585
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:58 amDFW - OPO
2 stops17h 32mUnited Airlines
Tue 11/186:00 amOPO - DFW
2 stops22h 44mUnited Airlines
Deal found 9/14$594
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.
Thu 10/3012:20 pmDFW - OPO
2 stops20h 35mMultiple Airlines
Thu 11/65:10 pmOPO - DFW
3 stops33h 59mMultiple Airlines
Deal found 9/14$599
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.
Sun 11/236:40 amAUS - OPO
2 stops21h 50mDelta
Thu 12/116:35 amOPO - AUS
1 stop15h 35mDelta
Deal found 9/15$601

Cheapflights Fare Finder

 
Customize your flight search to find flights from Texas to Porto 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 Texas to Porto that are best for you.

Fly from

Texas

Fly to

Porto

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 10/28

12:20 pm-12:05 pm

2 stops18h 45m

Porto

Tue 11/4

6:00 am-9:32 pm

2 stops21h 32m

$533

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 10/20

9:25 am-9:45 am

2 stops18h 20m

Porto

Wed 11/5

12:35 pm-8:51 am

2 stops26h 16m

$535

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 12/2

5:35 pm-4:00 pm

2 stops16h 25m

Porto

Tue 12/16

8:20 am-9:35 pm

2 stops19h 15m

$558

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 10/14

10:00 am-3:00 pm

2 stops23h 00m

Porto

Tue 10/21

10:50 pm-2:20 pm

2 stops21h 30m

$563

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 12/2

1:55 pm-7:40 am

1 stop11h 45m

Porto

Tue 12/16

8:20 am-4:30 pm

1 stop14h 10m

$564

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sun 11/23

7:15 am-9:30 am

2 stops20h 15m

Porto

Thu 12/11

6:00 am-8:41 pm

2 stops20h 41m

$564

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 11/19

7:10 am-9:30 am

2 stops20h 20m

Porto

Wed 11/26

12:35 pm-10:10 am

2 stops27h 35m

$567

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 1/6

4:10 pm-2:45 pm

1 stop16h 35m

Porto

Thu 1/15

6:00 am-12:19 pm

2 stops36h 19m

$579

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 11/19

1:05 pm-1:15 pm

2 stops18h 10m

Porto

Wed 11/26

6:00 am-12:19 pm

2 stops36h 19m

$581

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Mon 1/5

12:06 pm-11:40 am

2 stops17h 34m

Porto

Thu 1/15

6:00 am-12:19 pm

2 stops36h 19m

$584

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from Texas to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Texas 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 Texas to Porto

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

Currently, January is the cheapest month in which you can book a flight from Texas to Porto (average of $523). Flying from Texas to Porto in June is currently the most expensive (average of $1,027). 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.

What is the cheapest time of day to fly from TX to OPO?

Find hourly flight availability from Texas to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Texas to Porto as you normally would.

How much does it cost to fly round-trip from Texas to Porto?

Related info for your journey

Find useful and relevant information for your journey from Texas to Porto. 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 into for flights to Porto from Texas?

    Located just 6.8 mi from the city center, Porto (OPO) is the airport most travelers will use when flying to Porto from Texas.

  • How long is the flight from Texas to Porto?

    Airlines like United Airlines, KLM, and British Airways fly from Texas to Porto in about 15h 46m. The time it takes to get you to your destination can typically vary by up to 9h 59m. There are 4682 mi between Texas and Porto. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $391 on Scandinavian Airlines. Other airlines that offer cheap prices include Lufthansa from $462 and American Airlines from $467 one-way.

  • What are the most popular routes from Texas to Porto?

    While some choose either Houston Hobby - Porto or Dallas Love Field - Porto, Dallas/Fort Worth - Porto is the most popular route from Texas to Porto.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Texas to Porto 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 Texas to Porto?

    Currently, January is the cheapest month in which you can book a flight from Texas to Porto (average of $523). Flying from Texas to Porto in June is currently the most expensive (average of $1,027). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for Texas to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Texas to Porto

Discover the top 7 airlines that operate flights from Texas to Porto. 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
DeltaCheapest$534Average$1,017FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$546Average$904FlexibilityNo cancel feeOn-time71%
IberiaCheapest$588Average$856FlexibilityNo cancel feeOn-time77%
KLMCheapest$597Average$1,130FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$624Average$1,131FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$631Average$738FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$679Average$1,404FlexibilityNo cancel feeOn-time76%

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