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$367+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Round-trip from

$767
(Iberia)

One-way from

$367
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$991
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. 5% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($58 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 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 April 30, 2025.

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.
Tue 9/237:55 pmDFW - OPO
2 stops31h 25mAir Canada
Tue 10/76:00 amOPO - DFW
2 stops21h 33mAir Canada
Deal found 4/29$692
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:55 pmDFW - OPO
2 stops31h 25mMultiple Airlines
Tue 10/76:00 amOPO - DFW
2 stops34h 52mMultiple Airlines
Deal found 4/28$699
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:40 pmDFW - OPO
1 stop16h 15mIberia
Tue 10/712:20 pmOPO - DFW
1 stop13h 50mIberia
Deal found 4/28$704
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/72:25 pmDFW - OPO
2 stops15h 15mAmerican Airlines
Mon 10/138:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 4/28$709
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:35 amDFW - OPO
1 stop14h 10mUnited Airlines
Tue 10/76:00 amOPO - DFW
2 stops22h 03mUnited Airlines
Deal found 4/28$714
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.
Tue 9/233:50 pmDFW - OPO
1 stop17h 40mDelta
Tue 10/76:15 amOPO - DFW
2 stops22h 45mDelta
Deal found 4/28$727
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:10 pmIAH - OPO
1 stop12h 40mMultiple Airlines
Sun 11/94:10 pmOPO - IAH
1 stop27h 20mMultiple Airlines
Deal found 4/29$744
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.
Thu 11/612:05 pmIAH - OPO
2 stops24h 35mAir Canada
Sun 11/96:00 amOPO - IAH
2 stops21h 14mAir Canada
Deal found 4/29$746
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:00 pmIAH - OPO
1 stop31h 05mTurkish Airlines
Thu 8/2111:05 amOPO - IAH
1 stop31h 35mTurkish Airlines
Deal found 4/28$772
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/51:38 pmIAH - OPO
1 stop12h 07mUnited Airlines
Thu 8/2112:10 pmOPO - IAH
2 stops30h 16mUnited Airlines
Deal found 4/28$779
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.
Tue 8/512:01 pmDAL - OPO
2 stops16h 39mKLM
Thu 8/2111:25 amOPO - DAL
2 stops18h 13mKLM
Deal found 4/29$814
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.
Wed 5/1410:00 amAUS - OPO
2 stops26h 30mMultiple Airlines
Tue 5/208:40 amOPO - AUS
2 stops32h 00mMultiple Airlines
Deal found 4/29$817

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 April 30, 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

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 8/5

9:00 pm-10:05 am

1 stop31h 05m

Porto

Thu 8/21

11:05 am-12:40 pm

1 stop31h 35m

$772

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 8/5

1:38 pm-7:45 am

1 stop12h 07m

Porto

Thu 8/21

12:10 pm-12:26 pm

2 stops30h 16m

$779

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 8/5

6:15 pm-9:20 am

2 stops33h 05m

Porto

Thu 8/21

12:10 pm-8:49 am

2 stops26h 39m

$800

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Tue 8/5

12:01 pm-10:40 am

2 stops16h 39m

Porto

Thu 8/21

11:25 am-11:38 pm

2 stops18h 13m

$814

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Wed 5/14

10:00 am-6:30 pm

2 stops26h 30m

Porto

Tue 5/20

8:40 am-10:40 am

2 stops32h 00m

$817

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 10/7

5:50 pm-3:35 pm

2 stops15h 45m

Porto

Thu 10/16

6:30 am-1:15 pm

1 stop36h 45m

$824

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

9:25 am-10:55 pm

3 stops31h 30m

Porto

Thu 5/15

7:15 am-9:44 pm

2 stops20h 29m

$825

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

Thu 8/21

7:22 pm-3:55 pm

2 stops14h 33m

Porto

Tue 9/9

12:20 pm-10:42 pm

2 stops16h 22m

$827

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sat 5/17

8:00 am-7:15 pm

2 stops29h 15m

Porto

Fri 5/23

7:35 am-11:01 pm

2 stops21h 26m

$851

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 7/16

9:40 pm-7:55 pm

1 stop16h 15m

Porto

Tue 7/22

12:20 pm-8:10 pm

1 stop13h 50m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 40 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 $1,071). 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 April 30, 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.

Rainfall in Porto by month

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

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

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

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated April 30, 2025.
Read reviews from past customers who have flown Delta, KLM and SWISS from Texas to Porto. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $527 on British Airways. Other airlines that offer cheap prices include KLM from $797 and United Airlines from $853 one-way.

  • 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, 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 $1,071). 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 Texas?

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

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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$494Average$922FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$519Average$966FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$558Average$864FlexibilityNo cancel feeOn-time71%
KLMCheapest$629Average$1,123FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$631Average$736FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$660Average$1,264FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$679Average$1,404FlexibilityNo cancel feeOn-time76%

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