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$366+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This KLM deal was found by Cheapflights users on 12/14. 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 12/2611:25 amLIS - IAH
1 stop32h 05mMultiple Airlines
Tue 12/304:05 pmIAH - LIS
1 stop19h 25mMultiple Airlines
Deal found 12/14$875
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Fri 12/265:00 amLIS - AUS
2 stops23h 47mUnited Airlines
Sat 1/37:30 amAUS - LIS
1 stop20h 45mUnited Airlines
Deal found 12/13$878
This Delta deal was found by Cheapflights users on 12/14. 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.
Fri 12/265:30 amLIS - IAH
1 stop14h 25mDelta
Tue 12/302:42 pmIAH - LIS
2 stops20h 48mDelta
Deal found 12/14$881
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Fri 12/2610:15 amLIS - IAH
2 stops17h 12mUnited Airlines
Tue 12/309:30 amIAH - LIS
2 stops18h 45mUnited Airlines
Deal found 12/14$890
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Wed 12/2411:00 amLIS - AUS
1 stop31h 19mAir Canada
Thu 1/2211:30 amAUS - LIS
1 stop15h 50mAir Canada
Deal found 12/13$892
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/2411:00 amLIS - AUS
1 stop31h 19mUnited Airlines
Thu 1/229:50 amAUS - LIS
2 stops16h 20mUnited Airlines
Deal found 12/13$893
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Fri 12/1911:20 amLIS - IAH
2 stops40h 19mAir Canada
Thu 1/812:10 pmIAH - LIS
1 stop15h 10mAir Canada
Deal found 12/13$909
This Iberia deal was found by Cheapflights users on 12/15. 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.
Fri 12/198:45 pmLIS - IAH
2 stops24h 55mMultiple Airlines
Thu 1/83:50 pmIAH - LIS
1 stop16h 55mMultiple Airlines
Deal found 12/15$910
This Air Canada deal was found by Cheapflights users on 12/13. 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.
Fri 12/1911:20 amLIS - IAH
2 stops40h 19mAir Canada
Fri 1/912:10 pmIAH - LIS
2 stops15h 10mAir Canada
Deal found 12/13$932
This Iberia deal was found by Cheapflights users on 12/15. 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.
Fri 12/198:45 pmLIS - IAH
2 stops24h 55mIberia
Thu 1/811:27 amIAH - LIS
2 stops14h 13mIberia
Deal found 12/15$935
This American Airlines deal was found by Cheapflights users on 12/14. 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 12/1911:05 amLIS - IAH
2 stops19h 53mAmerican Airlines
Fri 1/911:11 amIAH - LIS
2 stops15h 39mAmerican Airlines
Deal found 12/14$937
This Iberia deal was found by Cheapflights users on 12/15. 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.
Fri 12/198:45 pmLIS - IAH
2 stops24h 55mIberia
Fri 1/91:57 pmIAH - LIS
2 stops15h 53mIberia
Deal found 12/15$964

Find flight deals from Portugal to Texas

Keep the following information in mind while searching for Portugal to Texas flight deals. Data was last updated December 15, 2025.

Round-trip from

$643
(Kiwi.com)

One-way from

$366
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$929
From Portugal to Texas
Search Deals
One-way flight from Portugal to Texas
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Mon 2/2

9:05 pm-7:34 pm

2 stops52h 29m

Dallas/Fort Worth

Tue 2/17

1:36 pm-9:55 am

1 stop14h 19m

$643

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 1/28

6:35 pm-9:23 pm

2 stops32h 48m

Dallas/Fort Worth

Wed 2/4

1:40 pm-11:55 am

1 stop16h 15m

$683

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 1/28

8:00 am-11:58 pm

2 stops21h 58m

Dallas/Fort Worth

Wed 2/4

7:05 am-9:20 am

1 stop20h 15m

$700

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 1/15

11:35 am-3:19 pm

3 stops33h 44m

Houston George Bush Intcntl

Wed 1/28

8:30 am-3:15 pm

2 stops24h 45m

$713

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 1/27

5:55 pm-11:58 pm

2 stops36h 03m

Dallas/Fort Worth

Tue 2/3

1:40 pm-11:40 am

1 stop16h 00m

$757

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 1/15

12:05 pm-11:24 pm

1 stop17h 19m

Austin Bergstrom

Wed 1/28

7:25 am-5:25 am

2 stops16h 00m

$766

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 2/13

11:35 am-11:59 pm

2 stops18h 24m

Houston George Bush Intcntl

Sat 2/21

5:24 pm-9:20 am

2 stops33h 56m

$768

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sun 1/18

6:55 am-11:58 pm

3 stops23h 03m

Dallas/Fort Worth

Fri 1/23

7:05 am-8:55 am

2 stops43h 50m

$784

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sun 2/1

7:00 pm-9:43 pm

2 stops32h 43m

Dallas/Fort Worth

Sun 2/8

7:35 am-4:05 pm

2 stops26h 30m

$787

PortoDallas

OPO - DFW

OPODFW

Porto

Sun 2/8

6:35 pm-7:34 pm

1 stop30h 59m

Dallas/Fort Worth

Mon 2/16

1:36 pm-3:00 pm

2 stops19h 24m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

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 $893). 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 December 15, 2025.
Get a feel of what it's like to fly with 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.
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
American Airlines
7.2
Good
11,052 reviews
United Airlines
7.4
Good
9,092 reviews

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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, American Airlines, and KLM can get you from Portugal to Texas in just under 18h 29m. Your travel time can differ by up to 17h 42m. The distance between Portugal and Texas is about 4733 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $500. Aer Lingus flights start at $511 while deals on Iberia start at $533 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, 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 $893). 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 2 airlines flying from Portugal to Texas

Discover the top 2 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$675Average$839FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$794Average$851FlexibilityNo cancel feeOn-time69%

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