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$275+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — OPO
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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Cheap flight deals from Texas to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Texas (USTX) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$583
(United)

One-way from

$275
(Kiwi.com)
From Texas to Porto
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One-way flight from Texas to Porto
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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 enero 21, 2025.

This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/1011:55 amAUS - OPO
2 stops17h 40mAir Canada
mié. 2/266:00 amOPO - AUS
2 stops34h 53mAir Canada
Deal found 1/20$583
This United deal was found by Cheapflights users on 1/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/17:30 amIAH - OPO
2 stops20h 15mMultiple Airlines
mar. 4/88:40 amOPO - IAH
2 stops18h 34mMultiple Airlines
Deal found 1/20$583
This Delta deal was found by Cheapflights users on 1/20. 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.
mié. 1/294:10 pmIAH - OPO
1 stop12h 40mDelta
lun. 2/106:20 amOPO - IAH
1 stop37h 15mDelta
Deal found 1/20$588
This KLM deal was found by Cheapflights users on 1/21. 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.
lun. 2/33:25 pmIAH - OPO
1 stop18h 00mKLM
lun. 2/1012:15 pmOPO - IAH
1 stop31h 20mKLM
Deal found 1/21$594
This Expedia deal was found by Cheapflights users on 1/20. 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.
lun. 2/176:30 pmDFW - OPO
2 stops31h 10mBritish Airways
lun. 2/2412:25 pmOPO - DFW
1 stop34h 40mBritish Airways
Deal found 1/20$597
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
lun. 3/319:40 pmDFW - OPO
1 stop12h 15mIberia
mié. 4/912:20 pmOPO - DFW
1 stop13h 50mIberia
Deal found 1/20$599
This Air Canada deal was found by Cheapflights users on 1/21. 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. 4/17:20 amIAH - OPO
2 stops21h 55mAir Canada
mar. 4/88:40 amOPO - IAH
2 stops30h 17mAir Canada
Deal found 1/21$601
This British Airways deal was found by Cheapflights users on 1/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/311:16 amIAH - OPO
2 stops14h 24mBritish Airways
lun. 2/108:40 pmOPO - IAH
2 stops31h 21mBritish Airways
Deal found 1/21$602
This Expedia deal was found by Cheapflights users on 1/20. 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.
lun. 2/102:49 pmAUS - OPO
2 stops14h 56mIberia
mié. 2/268:20 amOPO - AUS
2 stops21h 27mIberia
Deal found 1/20$603
This Delta deal was found by Cheapflights users on 1/20. 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. 1/286:00 amHOU - OPO
2 stops22h 50mDelta
vie. 2/76:15 amOPO - HOU
2 stops17h 27mDelta
Deal found 1/20$603
This Air Canada deal was found by Cheapflights users on 1/20. 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.
mié. 3/1911:35 amDFW - OPO
2 stops26h 05mAir Canada
mié. 3/266:00 amOPO - DFW
2 stops21h 22mAir Canada
Deal found 1/20$603
This KLM deal was found by Cheapflights users on 1/20. 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.
lun. 3/313:50 pmDFW - OPO
1 stop17h 40mKLM
mié. 4/96:25 amOPO - DFW
2 stops21h 26mKLM
Deal found 1/20$604

Find flights from Texas to Porto within your budget

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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

mar. 4/1

7:30 am-9:45 am

2 stops20h 15m

Porto

mar. 4/8

8:40 am-9:14 pm

2 stops18h 34m

$583

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

dom. 2/2

4:10 pm-10:55 am

1 stop12h 45m

Porto

lun. 2/10

11:15 am-1:35 pm

1 stop32h 20m

$588

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

mar. 2/18

6:50 pm-3:15 pm

1 stop14h 25m

Porto

mié. 2/26

6:00 am-6:20 pm

1 stop18h 20m

$593

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 2/17

6:30 pm-7:40 am

2 stops31h 10m

Porto

lun. 2/24

12:25 pm-5:05 pm

1 stop34h 40m

$597

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 3/31

9:40 pm-3:55 pm

1 stop12h 15m

Porto

mié. 4/9

12:20 pm-8:10 pm

1 stop13h 50m

$599

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

mar. 4/1

7:20 am-11:15 am

2 stops21h 55m

Porto

mar. 4/8

8:40 am-8:57 am

2 stops30h 17m

$601

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

lun. 2/3

11:16 am-7:40 am

2 stops14h 24m

Porto

lun. 2/10

8:40 pm-10:01 pm

2 stops31h 21m

$602

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mié. 3/19

11:35 am-6:40 pm

2 stops26h 05m

Porto

mié. 3/26

6:00 am-10:22 pm

2 stops21h 22m

$603

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 3/31

3:50 pm-3:30 pm

1 stop17h 40m

Porto

mié. 4/9

6:25 am-9:51 pm

2 stops21h 26m

$604

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

dom. 3/23

11:55 am-11:15 am

2 stops42h 20m

Porto

jue. 4/3

6:00 am-10:35 am

2 stops34h 35m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 46 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.

Travel insights for flights from Texas to Porto

Get recent, data-driven insights about flights from Texas to Porto including ideal travel times, pricing trends, and more.

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 $1,083). 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 enero 21, 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 enero 21, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Lufthansa 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
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,600 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

Turkish Airlines
7.3
Good
3,931 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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 $469 on KLM. Other airlines that offer cheap prices include Scandinavian Airlines from $476 and Delta from $479 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 $1,083). 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$519Average$968FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$534Average$843FlexibilityNo cancel feeOn-time71%
DeltaCheapest$550Average$957FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$618Average$719FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$623Average$1,266FlexibilityNo cancel feeOn-time76%
KLMCheapest$644Average$1,191FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$660Average$1,272FlexibilityNo cancel feeOn-time69%
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