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$354+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — DFW
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap 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 February 6, 2026.

This Mytrip deal was found by Cheapflights users on 2/3. 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.
Fri 3/137:00 am
OPO
-
DFW
3 stops45h 02m
Multiple Airlines
Mon 3/237:20 am
DFW
-
OPO
3 stops43h 50m
Multiple Airlines
Deal found 2/3$699
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/269:00 am
OPO
-
AUS
2 stops20h 21m
Multiple Airlines
Mon 3/26:10 am
AUS
-
OPO
1 stop23h 40m
Multiple Airlines
Deal found 2/6$775
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 2/196:35 pm
OPO
-
AUS
2 stops25h 49m
Multiple Airlines
Mon 2/236:10 am
AUS
-
OPO
1 stop23h 40m
Multiple Airlines
Deal found 2/5$785
This Mytrip deal was found by Cheapflights users on 2/6. 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 4/211:35 am
OPO
-
DFW
2 stops17h 27m
Multiple Airlines
Mon 4/66:34 am
DFW
-
OPO
3 stops32h 26m
Multiple Airlines
Deal found 2/6$821
This KLM deal was found by Cheapflights users on 2/6. 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 2/265:00 am
OPO
-
AUS
1 stop17h 10m
KLM
Mon 3/26:05 pm
AUS
-
OPO
1 stop34h 25m
KLM
Deal found 2/6$830
This Delta deal was found by Cheapflights users on 2/5. 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 2/195:00 am
OPO
-
AUS
2 stops22h 24m
Delta
Mon 2/236:15 am
AUS
-
OPO
2 stops22h 15m
Delta
Deal found 2/5$831
This Delta deal was found by Cheapflights users on 2/6. 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 4/25:00 am
OPO
-
DFW
2 stops18h 59m
Delta
Mon 4/61:00 pm
DFW
-
OPO
2 stops20h 25m
Delta
Deal found 2/6$834
This Delta deal was found by Cheapflights users on 2/6. 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 2/265:00 am
OPO
-
AUS
2 stops22h 24m
Delta
Mon 3/23:30 pm
AUS
-
OPO
2 stops17h 55m
Delta
Deal found 2/6$835
This KLM deal was found by Cheapflights users on 2/5. 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 4/25:00 am
OPO
-
DFW
2 stops18h 59m
KLM
Mon 4/63:40 pm
DFW
-
OPO
1 stop17h 45m
KLM
Deal found 2/5$836
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1311:20 am
OPO
-
DFW
2 stops18h 07m
Air France
Mon 3/231:25 pm
DFW
-
OPO
2 stops16h 05m
Air France
Deal found 2/3$838
This KLM deal was found by Cheapflights users on 2/3. 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.
Sun 3/294:25 pm
OPO
-
DFW
1 stop27h 10m
KLM
Mon 4/63:40 pm
DFW
-
OPO
1 stop17h 45m
KLM
Deal found 2/3$851
This United Airlines deal was found by Cheapflights users on 2/5. 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 2/256:00 am
OPO
-
AUS
2 stops20h 44m
United Airlines
Sun 3/17:00 am
AUS
-
OPO
2 stops20h 30m
United Airlines
Deal found 2/5$859

Find flight deals from Porto to Texas

Keep the following information in mind while searching for Porto to Texas flight deals. Data was last updated February 6, 2026.

Round-trip from

$699
(Mytrip)

One-way from

$354
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$726
From Porto to Texas
Search Deals
One-way flight from Porto to Texas
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($177 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 6, 2026.
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

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 3/13

7:00 am-11:02 pm

3 stops45h 02m

Dallas/Fort Worth

Mon 3/23

7:20 am-8:10 am

3 stops43h 50m

$699

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 2/26

9:00 am-11:21 pm

2 stops20h 21m

Austin Bergstrom

Mon 3/2

6:10 am-11:50 am

1 stop23h 40m

$775

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 2/19

6:35 pm-2:24 pm

2 stops25h 49m

Austin Bergstrom

Mon 2/23

6:10 am-11:50 am

1 stop23h 40m

$785

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 4/2

11:35 am-11:02 pm

2 stops17h 27m

Dallas/Fort Worth

Mon 4/6

6:34 am-9:00 pm

3 stops32h 26m

$821

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 2/26

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Mon 3/2

6:05 pm-10:30 am

1 stop34h 25m

$830

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 2/19

5:00 am-4:10 pm

1 stop17h 10m

Austin Bergstrom

Mon 2/23

6:10 pm-10:30 am

1 stop34h 20m

$831

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 4/2

5:00 am-5:59 pm

2 stops18h 59m

Dallas/Fort Worth

Mon 4/6

1:00 pm-3:25 pm

2 stops20h 25m

$834

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 4/2

5:00 am-5:59 pm

2 stops18h 59m

Dallas/Fort Worth

Mon 4/6

3:45 pm-3:25 pm

1 stop17h 40m

$834

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 2/26

5:00 am-9:24 pm

2 stops22h 24m

Austin Bergstrom

Mon 3/2

3:30 pm-3:25 pm

2 stops17h 55m

$835

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 3/13

11:20 am-12:27 am

2 stops18h 07m

Dallas/Fort Worth

Mon 3/23

1:25 pm-10:30 am

2 stops16h 05m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 31 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, 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 July is currently the most expensive (average of $933). 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.

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 17h 10m. Fly via KLM, Delta, or United Airlines 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.

  • 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 July is currently the most expensive (average of $933). 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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