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$283+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Ovago deal was found by Cheapflights users on 12/16. 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 12/3012:06 pmAUS - OPO
2 stops17h 34mLufthansa
Sat 1/101:45 pmOPO - AUS
2 stops30h 30mLufthansa
Deal found 12/16$1,045
This KLM deal was found by Cheapflights users on 12/15. 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.
Tue 12/3010:55 amAUS - OPO
2 stops17h 35mKLM
Sat 1/105:00 amOPO - AUS
2 stops18h 49mKLM
Deal found 12/15$1,214
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1812:35 pmDFW - OPO
2 stops22h 40mBritish Airways
Fri 12/268:20 amOPO - DFW
2 stops19h 20mBritish Airways
Deal found 12/15$1,532
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:55 pmDFW - OPO
1 stop11h 45mIberia
Fri 12/268:40 pmOPO - DFW
2 stops28h 48mIberia
Deal found 12/16$1,629
This Delta deal was found by Cheapflights users on 12/16. 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 12/294:05 pmIAH - OPO
1 stop12h 25mDelta
Tue 1/611:15 amOPO - IAH
2 stops18h 41mDelta
Deal found 12/16$1,651
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:05 pmIAH - OPO
1 stop30h 50mTurkish Airlines
Wed 12/3110:55 amOPO - IAH
1 stop38h 15mTurkish Airlines
Deal found 12/17$1,672
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:10 pmIAH - OPO
2 stops35h 25mMultiple Airlines
Wed 12/314:10 pmOPO - IAH
1 stop33h 00mMultiple Airlines
Deal found 12/17$1,674
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:50 pmIAH - OPO
1 stop24h 50mLufthansa
Wed 12/316:00 amOPO - IAH
1 stop18h 15mLufthansa
Deal found 12/17$1,701
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:40 amAUS - OPO
2 stops18h 10mMultiple Airlines
Sat 1/1012:40 pmOPO - AUS
2 stops29h 55mMultiple Airlines
Deal found 12/17$1,748
This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:37 pmDFW - OPO
2 stops35h 13mMultiple Airlines
Fri 1/212:30 pmOPO - DFW
2 stops39h 25mMultiple Airlines
Deal found 12/17$1,765
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:15 pmDFW - OPO
1 stop24h 10mLufthansa
Fri 1/212:30 pmOPO - DFW
2 stops39h 25mLufthansa
Deal found 12/17$1,783
This Iberia deal was found by Cheapflights users on 12/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:00 amIAH - OPO
2 stops18h 45mIberia
Wed 12/318:20 amOPO - IAH
2 stops22h 38mIberia
Deal found 12/17$1,784

Find flight deals from Texas to Porto

Keep the following information in mind while searching for Texas to Porto flight deals. Data was last updated December 18, 2025.

Round-trip from

$483
(Delta)

One-way from

$283
(oojo)

Popular in

June

Cheapest in

November

Average price

$981
From Texas to Porto
Search Deals
One-way flight from Texas to Porto
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($372 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 18, 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

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 1/15

6:05 pm-3:25 pm

1 stop15h 20m

Porto

Thu 1/22

5:00 am-4:10 pm

1 stop17h 10m

$484

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sat 1/31

6:10 pm-10:30 am

1 stop34h 20m

Porto

Sat 2/7

5:00 am-4:10 pm

1 stop17h 10m

$484

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 1/22

6:05 pm-3:25 pm

1 stop15h 20m

Porto

Thu 1/29

5:00 am-4:10 pm

1 stop17h 10m

$484

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Tue 1/27

4:10 pm-11:40 am

1 stop13h 30m

Porto

Tue 2/3

6:00 am-8:49 pm

2 stops20h 49m

$492

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 1/22

7:20 am-10:25 am

2 stops21h 05m

Porto

Thu 1/29

5:00 am-6:46 pm

2 stops19h 46m

$493

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 1/29

6:40 am-10:25 am

2 stops21h 45m

Porto

Thu 2/5

5:00 am-10:55 pm

2 stops23h 55m

$493

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 2/23

10:36 am-9:30 am

1 stop16h 54m

Porto

Wed 3/4

6:00 am-10:59 pm

2 stops22h 59m

$585

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/25

3:45 pm-4:40 pm

1 stop18h 55m

Porto

Mon 2/9

8:40 pm-5:30 am

1 stop14h 50m

$586

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:05 pm-10:30 am

1 stop12h 25m

Porto

Thu 2/19

5:00 am-4:46 pm

2 stops17h 46m

$587

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Sat 3/7

7:00 am-9:30 am

2 stops20h 30m

Porto

Sun 3/15

12:30 pm-12:05 pm

2 stops28h 35m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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, December is the cheapest month in which you can book a flight from Texas to Porto (average of $414). Flying from Texas to Porto in July is currently the most expensive (average of $809). 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 December 18, 2025.

It’s optimal to fly from Texas to Porto in the afternoon. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Texas to Porto?

Use this chart to determine the cheapest time to fly round-trip from Texas to Porto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Texas to Porto flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 Delta, KLM, and United Airlines fly from Texas to Porto in about 11h 10m. The time it takes to get you to your destination can typically vary by up to 23h 10m. There are 4688 mi between Texas and Porto. This flight may include one or multiple stops.

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

    While some choose either Dallas Love Field - Porto or Houston Hobby - 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, December is the cheapest month in which you can book a flight from Texas to Porto (average of $414). Flying from Texas to Porto in July is currently the most expensive (average of $809). 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
Vila Nova de Gaia

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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 6 airlines flying from Texas to Porto

Discover the top 6 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$531Average$872FlexibilityNo cancel feeOn-time75%
DeltaCheapest$541Average$982FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$546Average$883FlexibilityNo cancel feeOn-time71%
IberiaCheapest$576Average$851FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$624Average$1,077FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$679Average$1,141FlexibilityNo cancel feeOn-time76%

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