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$408+ 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Round-trip from

$627
(Mytrip)

One-way from

$408
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$874
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. 11% potential increase in price ($126 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 2025.

This Mytrip deal was found by Cheapflights users on 10/27. 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.
Wed 12/34:55 pmLIS - DFW
3 stops32h 03mMultiple Airlines
Tue 12/910:31 amDFW - LIS
2 stops23h 34mMultiple Airlines
Deal found 10/27$627
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:40 amLIS - DFW
3 stops34h 34mMultiple Airlines
Mon 11/1710:26 amDFW - LIS
2 stops26h 49mMultiple Airlines
Deal found 10/28$671
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:25 amOPO - DFW
3 stops45h 34mMultiple Airlines
Tue 1/1312:20 pmDFW - OPO
2 stops23h 40mMultiple Airlines
Deal found 10/28$682
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Tue 12/28:25 amOPO - DFW
3 stops45h 34mMultiple Airlines
Sun 1/187:05 amDFW - OPO
2 stops29h 55mMultiple Airlines
Deal found 10/27$703
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:00 amLIS - IAH
2 stops30h 58mMultiple Airlines
Sun 11/93:13 pmIAH - LIS
2 stops18h 02mMultiple Airlines
Deal found 10/28$753
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/205:55 amLIS - IAH
2 stops33h 44mMultiple Airlines
Sat 12/65:33 amIAH - LIS
1 stop17h 52mMultiple Airlines
Deal found 10/27$758
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/204:50 pmLIS - IAH
2 stops46h 49mMultiple Airlines
Wed 12/35:30 amIAH - LIS
1 stop17h 55mMultiple Airlines
Deal found 10/27$769
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:55 pmLIS - DFW
2 stops49h 16mMultiple Airlines
Tue 11/114:15 pmDFW - LIS
1 stop16h 15mMultiple Airlines
Deal found 10/28$771
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/16:15 pmLIS - DFW
2 stops55h 22mMultiple Airlines
Sat 1/174:15 pmDFW - LIS
1 stop16h 45mMultiple Airlines
Deal found 10/27$775
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:55 pmLIS - DFW
2 stops49h 16mMultiple Airlines
Mon 11/104:05 pmDFW - LIS
1 stop24h 20mMultiple Airlines
Deal found 10/28$806
This Mytrip deal was found by Cheapflights users on 10/27. 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 12/1810:25 amLIS - DFW
2 stops18h 15mMultiple Airlines
Wed 12/317:05 amDFW - LIS
1 stop19h 50mMultiple Airlines
Deal found 10/27$807
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:00 amLIS - DFW
2 stops40h 06mMultiple Airlines
Tue 11/114:15 pmDFW - LIS
1 stop16h 15mMultiple Airlines
Deal found 10/28$809

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 October 29, 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

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/13

7:40 am-12:14 pm

3 stops34h 34m

Dallas/Fort Worth

Mon 11/17

10:26 am-7:15 pm

2 stops26h 49m

$671

PortoDallas

OPO - DFW

OPODFW

Porto

Tue 12/2

8:25 am-11:59 pm

3 stops45h 34m

Dallas/Fort Worth

Tue 1/13

12:20 pm-6:00 pm

2 stops23h 40m

$682

PortoDallas

OPO - DFW

OPODFW

Porto

Tue 12/2

8:25 am-11:59 pm

3 stops45h 34m

Dallas/Fort Worth

Sun 1/18

7:05 am-7:00 pm

2 stops29h 55m

$703

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 1/8

4:50 pm-7:04 pm

2 stops56h 14m

Houston George Bush Intcntl

Wed 1/21

7:00 am-5:25 am

1 stop16h 25m

$705

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 12/3

9:05 pm-11:25 am

2 stops44h 20m

Dallas/Fort Worth

Tue 12/9

5:50 am-9:55 am

1 stop22h 05m

$743

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 11/20

5:55 am-9:39 am

2 stops33h 44m

Houston George Bush Intcntl

Sat 12/6

5:33 am-5:25 am

1 stop17h 52m

$758

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 12/18

8:55 am-5:49 pm

1 stop14h 54m

Dallas/Fort Worth

Wed 12/31

7:00 am-8:55 am

2 stops19h 55m

$775

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Thu 11/20

5:00 am-11:40 pm

2 stops24h 40m

Houston Hobby

Sat 12/6

10:39 am-3:10 pm

2 stops22h 31m

$826

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 11/20

5:30 am-1:55 pm

1 stop14h 25m

Houston George Bush Intcntl

Sat 12/6

4:05 pm-3:10 pm

1 stop17h 05m

$826

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 11/10

5:30 am-1:55 pm

1 stop14h 25m

Houston George Bush Intcntl

Sun 11/23

4:05 pm-3:10 pm

1 stop17h 05m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, June is the cheapest month in which you can book a flight from Portugal to Texas (average of $523). Flying from Portugal to Texas in July is currently the most expensive (average of $905). 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.

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 October 29, 2025.
Get a feel of what it's like to fly with KLM, United Airlines, and American Airlines from Portugal to Texas by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,999 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,030 reviews
KLM
7.7
Good
1,406 reviews

Boarding

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.1

Overall

7.7

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Portugal to Texas?

    Delta, KLM, and American Airlines can get you from Portugal to Texas in just under 17h 51m. Your travel time can differ by up to 6h 49m. The distance between Portugal and Texas is about 4777 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, June is the cheapest month in which you can book a flight from Portugal to Texas (average of $523). Flying from Portugal to Texas in July is currently the most expensive (average of $905). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$675Average$839FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$767Average$838FlexibilityNo cancel feeOn-time69%
KLMCheapest$809Average$1,055FlexibilityNo cancel feeOn-time75%

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