HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Texas to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 junio 12, 2025.

Round-trip from

$625
(Air Canada)

One-way from

$283
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,451
From Texas to Porto
Search Deals
One-way flight from Texas to Porto
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 junio 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/11. 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.
mar. 10/149:25 amDFW - OPO
2 stops20h 05mAir Canada
sáb. 10/256:00 amOPO - DFW
2 stops21h 38mAir Canada
Deal found 6/11$625
This Iberia deal was found by Cheapflights users on 6/11. 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.
mar. 10/148:53 amDFW - OPO
2 stops16h 42mIberia
lun. 10/2712:25 pmOPO - DFW
1 stop23h 05mIberia
Deal found 6/11$628
This United Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 8/169:25 amDFW - OPO
1 stop18h 10mUnited Airlines
jue. 8/2812:10 pmOPO - DFW
1 stop15h 25mUnited Airlines
Deal found 6/11$639
This Iberia deal was found by Cheapflights users on 6/11. 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.
mié. 10/296:21 pmIAH - OPO
2 stops16h 39mIberia
lun. 11/38:40 pmOPO - IAH
2 stops28h 46mIberia
Deal found 6/11$642
This United Airlines deal was found by Cheapflights users on 6/9. 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.
dom. 10/191:25 pmIAH - OPO
1 stop14h 20mUnited Airlines
vie. 10/3112:30 pmOPO - IAH
1 stop35h 45mUnited Airlines
Deal found 6/9$648
This KLM deal was found by Cheapflights users on 6/11. 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. 10/294:30 pmIAH - OPO
1 stop13h 00mKLM
lun. 11/311:15 amOPO - IAH
1 stop32h 15mKLM
Deal found 6/11$650
This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 10/143:50 pmDFW - OPO
1 stop17h 40mDelta
jue. 10/234:20 pmOPO - DFW
1 stop27h 15mDelta
Deal found 6/11$654
This American Airlines deal was found by Cheapflights users on 6/12. 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.
lun. 8/49:40 pmDFW - OPO
1 stop12h 15mAmerican Airlines
mié. 8/208:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 6/12$657
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 10/296:21 pmIAH - OPO
2 stops16h 39mAmerican Airlines
lun. 11/38:40 pmOPO - IAH
2 stops20h 38mAmerican Airlines
Deal found 6/11$657
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/92:42 pmDFW - OPO
2 stops23h 53mBritish Airways
mié. 8/208:15 amOPO - DFW
1 stop17h 55mBritish Airways
Deal found 6/11$658
This Mytrip deal was found by Cheapflights users on 6/12. 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.
lun. 8/411:15 amAUS - OPO
2 stops29h 10mMultiple Airlines
mié. 8/207:15 amOPO - AUS
2 stops33h 14mMultiple Airlines
Deal found 6/12$673
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/164:18 pmDFW - OPO
2 stops24h 27mLufthansa
vie. 8/296:00 amOPO - DFW
2 stops22h 15mLufthansa
Deal found 6/11$676

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 junio 12, 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

mar. 10/14

9:25 am-11:30 am

2 stops20h 05m

Porto

sáb. 10/25

6:00 am-9:38 pm

2 stops21h 38m

$625

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 10/14

8:53 am-7:35 am

2 stops16h 42m

Porto

lun. 10/27

12:25 pm-6:30 am

1 stop23h 05m

$628

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

sáb. 8/16

9:25 am-9:35 am

1 stop18h 10m

Porto

jue. 8/28

12:10 pm-9:35 pm

1 stop15h 25m

$639

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

mié. 10/29

6:21 pm-4:00 pm

2 stops16h 39m

Porto

lun. 11/3

8:40 pm-7:26 pm

2 stops28h 46m

$642

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

dom. 10/19

1:25 pm-9:45 am

1 stop14h 20m

Porto

vie. 10/31

12:30 pm-7:15 pm

1 stop35h 45m

$648

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

mié. 10/29

4:30 pm-10:30 am

1 stop13h 00m

Porto

lun. 11/3

11:15 am-1:30 pm

1 stop32h 15m

$650

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 10/14

3:50 pm-3:30 pm

1 stop17h 40m

Porto

jue. 10/23

4:20 pm-1:35 pm

1 stop27h 15m

$654

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 8/4

9:40 pm-3:55 pm

1 stop12h 15m

Porto

mié. 8/20

8:15 am-8:10 pm

1 stop17h 55m

$657

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

mié. 10/29

6:21 pm-4:00 pm

2 stops16h 39m

Porto

lun. 11/3

8:40 pm-11:18 am

2 stops20h 38m

$657

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

sáb. 8/9

2:42 pm-8:35 pm

2 stops23h 53m

Porto

mié. 8/20

8:15 am-8:10 pm

1 stop17h 55m

$658

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 47 results
1
2
3
...
5

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 $1,047). 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 junio 12, 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 junio 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines 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
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $519 on Lufthansa. Other airlines that offer cheap prices include KLM from $543 and Air Canada from $567 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 $1,047). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Texas to Porto

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
Boston to Lisbon flights
LaGuardia to Lisbon flights
Dulles Intl to Lisbon flights
Newark to Porto flights
Dallas/Fort Worth to Lisbon flights
Miami to Lisbon flights
San Francisco to Lisbon flights
O'Hare Intl to Lisbon flights
Philadelphia to Lisbon flights
Los Angeles to Lisbon flights
Boston to Ponta Delgada flights
Reagan-National to Lisbon flights
John F Kennedy Intl to Porto flights
Baltimore to Lisbon flights
Boston to Porto flights
John F Kennedy Intl to Ponta Delgada flights
Seattle to Lisbon flights
LaGuardia to Porto flights
Newark to Ponta Delgada flights
Love Field to Lisbon flights
Hobby to Lisbon flights
Midway to Lisbon flights
Denver to Lisbon flights
Atlanta to Lisbon flights
Dulles Intl to Porto flights
Detroit to Lisbon flights
Newark to Faro flights
Orlando to Lisbon flights
George Bush Intcntl to Lisbon flights
Raleigh to Lisbon flights
John F Kennedy Intl to Faro flights
Sky Harbor Intl to Lisbon flights
Minneapolis to Lisbon flights
Reagan-National to Porto flights
Portland to Lisbon flights
Charlotte to Lisbon flights
John F Kennedy Intl to Funchal flights
San Diego to Lisbon flights
Tampa to Lisbon flights
O'Hare Intl to Porto flights
Baltimore to Porto flights
San Francisco to Porto flights
Newark to Funchal flights
Fort Lauderdale to Lisbon flights
Seattle to Porto flights
Nashville to Lisbon flights
Pittsburgh to Lisbon flights
Austin to Lisbon flights

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$494Average$917FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$546Average$862FlexibilityNo cancel feeOn-time71%
IberiaCheapest$594Average$843FlexibilityNo cancel feeOn-time77%
KLMCheapest$629Average$1,196FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$631Average$738FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$660Average$1,196FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$679Average$1,404FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.