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$284+ Cheap flights from Portugal 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Portugal to Texas

Keep the following information in mind while searching for Portugal to Texas flight deals. Data was last updated March 31, 2025.

Round-trip from

$702
(KLM)

One-way from

$284
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$941
From Portugal to Texas
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One-way flight from Portugal to Texas
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Highest demand for flights based on searches. 12% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Portugal to Texas

Cheapest flights from Portugal to Texas
Explore the most affordable flight options available from Portugal to Texas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This KLM deal was found by Cheapflights users on 3/31. 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.
Fri 4/115:00 amLIS - IAH
1 stop14h 15mMultiple Airlines
Sun 4/273:50 pmIAH - LIS
1 stop20h 00mMultiple Airlines
Deal found 3/31$702
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Sun 4/611:05 amLIS - DFW
1 stop26h 42mAmerican Airlines
Sat 4/195:45 pmDFW - LIS
1 stop23h 25mAmerican Airlines
Deal found 3/30$707
This KLM deal was found by Cheapflights users on 3/30. 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.
Mon 4/147:30 pmLIS - IAH
1 stop23h 45mKLM
Thu 4/243:30 pmIAH - LIS
1 stop25h 20mKLM
Deal found 3/30$708
This Delta deal was found by Cheapflights users on 3/30. 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 4/225:00 amLIS - IAH
2 stops20h 30mDelta
Tue 4/2912:52 pmIAH - LIS
2 stops19h 43mDelta
Deal found 3/30$713
This British Airways deal was found by Cheapflights users on 3/30. 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.
Thu 4/176:40 pmLIS - IAH
1 stop25h 00mBritish Airways
Sat 5/39:00 pmIAH - LIS
1 stop20h 10mBritish Airways
Deal found 3/30$715
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 4/1111:05 amLIS - IAH
2 stops18h 20mAmerican Airlines
Sun 4/279:40 pmIAH - LIS
1 stop19h 20mAmerican Airlines
Deal found 3/31$716
This Delta deal was found by Cheapflights users on 3/30. 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 6/55:00 amLIS - DFW
2 stops18h 04mDelta
Wed 6/117:15 amDFW - LIS
2 stops19h 35mDelta
Deal found 3/30$720
This AirNGo deal was found by Cheapflights users on 3/30. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1412:20 pmOPO - DFW
1 stop13h 50mBritish Airways
Mon 4/216:55 pmDFW - OPO
2 stops18h 55mBritish Airways
Deal found 3/30$732
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 6/116:15 amOPO - DFW
2 stops21h 45mDelta
Mon 6/231:21 pmDFW - OPO
2 stops20h 09mDelta
Deal found 3/30$734
This British Airways deal was found by Cheapflights users on 3/30. 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.
Thu 5/17:30 pmOPO - AUS
1 stop26h 20mBritish Airways
Mon 5/55:45 pmAUS - OPO
1 stop20h 05mBritish Airways
Deal found 3/30$737
This AirNGo deal was found by Cheapflights users on 3/31. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:35 amLIS - AUS
2 stops22h 24mBritish Airways
Mon 4/2810:15 pmAUS - LIS
1 stop18h 55mBritish Airways
Deal found 3/31$738
This KLM deal was found by Cheapflights users on 3/31. 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.
Wed 6/116:15 amOPO - DFW
2 stops17h 00mKLM
Mon 6/236:32 pmDFW - OPO
2 stops17h 23mKLM
Deal found 3/31$739

Cheapflights Fare Finder

Customize your flight search to find flights from Portugal 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 March 31, 2025.
Use the filters below to find and compare flights from Portugal to Texas that are best for you.

Fly from

Portugal

Fly to

Texas

Route

Depart

Return

Price

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 4/11

5:00 am-1:15 pm

1 stop14h 15m

Houston George Bush Intcntl

Sun 4/27

3:50 pm-5:50 pm

1 stop20h 00m

$702

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 4/14

7:30 pm-1:15 pm

1 stop23h 45m

Houston George Bush Intcntl

Thu 4/24

3:30 pm-10:50 pm

1 stop25h 20m

$708

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 4/22

5:00 am-7:30 pm

2 stops20h 30m

Houston George Bush Intcntl

Tue 4/29

12:52 pm-2:35 pm

2 stops19h 43m

$713

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 4/17

6:40 pm-1:40 pm

1 stop25h 00m

Houston George Bush Intcntl

Sat 5/3

9:00 pm-11:10 pm

1 stop20h 10m

$715

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 4/11

11:05 am-11:25 pm

2 stops18h 20m

Houston George Bush Intcntl

Sun 4/27

9:40 pm-11:00 pm

1 stop19h 20m

$716

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 6/5

5:00 am-5:04 pm

2 stops18h 04m

Dallas/Fort Worth

Wed 6/11

7:15 am-8:50 am

2 stops19h 35m

$720

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 6/5

5:40 am-1:35 pm

1 stop13h 55m

Dallas/Fort Worth

Wed 6/11

12:03 pm-8:00 am

1 stop13h 57m

$723

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 4/14

12:20 pm-8:10 pm

1 stop13h 50m

Dallas/Fort Worth

Mon 4/21

6:55 pm-7:50 pm

2 stops18h 55m

$732

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 6/11

6:15 am-10:00 pm

2 stops21h 45m

Dallas/Fort Worth

Mon 6/23

1:21 pm-3:30 pm

2 stops20h 09m

$734

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 5/1

7:30 pm-3:50 pm

1 stop26h 20m

Austin Bergstrom

Mon 5/5

5:45 pm-7:50 pm

1 stop20h 05m

$737

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results
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Best time to book a flight from Portugal to Texas

Have a flexible travel schedule? Discover the best time to fly to Texas from Portugal 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 Portugal to Texas

What is the cheapest month to book a flight from Portugal to Texas?

Currently, August is the cheapest month in which you can book a flight from Portugal to Texas (average of $216). Flying from Portugal to Texas in March is currently the most expensive (average of $295). 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.

Rainfall in Texas by month

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

In terms of precipitation, rainfall in Texas ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Texas when rainfall is around 3.2 in.

Temperature in Texas by month

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

If weather is an important factor for your trip to Texas, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Texas

Get insights into the airlines that provide service to Texas. 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 Texas. Reviews last updated March 31, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Portugal to Texas by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Portugal to Texas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Portugal to Texas one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $602. Turkish Airlines flights start at $638 while deals on British Airways start at $667 one-way.

  • Can I find deals for flights from Portugal to Texas that include hotel bookings?

    Yes. In addition to deals on Portugal to Texas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Texas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Texas.

  • Can I find deals for business class flights from Portugal to Texas?

    Yes. Cheapflights offers flight deals from Portugal 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 Portugal to Texas?

    Currently, August is the cheapest month in which you can book a flight from Portugal to Texas (average of $216). Flying from Portugal to Texas in March is currently the most expensive (average of $295). 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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Alternative routes for Portugal to Texas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Portugal to Texas

Discover the top 3 airlines that operate flights from Portugal to Texas. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$675Average$866FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$738Average$799FlexibilityNo cancel feeOn-time70%
KLMCheapest$788Average$1,021FlexibilityNo cancel feeOn-time75%
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