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$325+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Mar 1 — Mar 81
Sun 3/1
Sun 3/8
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 January 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Mon 3/1610:10 am
LIS
-
IAH
1 stop18h 39m
Multiple Airlines
Fri 3/205:24 pm
IAH
-
LIS
1 stop14h 11m
Multiple Airlines
Deal found 1/28$651
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sun 3/1510:10 am
LIS
-
DFW
1 stop17h 52m
Multiple Airlines
Sun 3/2211:12 am
DFW
-
LIS
1 stop13h 23m
Multiple Airlines
Deal found 1/29$683
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Sat 3/145:40 pm
LIS
-
DFW
2 stops43h 11m
Multiple Airlines
Sat 3/215:15 pm
DFW
-
LIS
1 stop24h 35m
Multiple Airlines
Deal found 1/27$696
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:30 am
OPO
-
AUS
2 stops20h 29m
Multiple Airlines
Mon 3/231:26 pm
AUS
-
OPO
1 stop17h 24m
Multiple Airlines
Deal found 1/30$710
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/57:35 pm
LIS
-
DFW
2 stops53h 59m
Multiple Airlines
Wed 2/187:39 am
DFW
-
LIS
1 stop15h 46m
Multiple Airlines
Deal found 1/28$719
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:30 am
LIS
-
DFW
1 stop16h 30m
American Airlines
Wed 2/189:15 pm
DFW
-
LIS
1 stop14h 25m
American Airlines
Deal found 1/28$731
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:35 am
LIS
-
DFW
1 stop15h 40m
American Airlines
Wed 10/79:45 pm
DFW
-
LIS
1 stop14h 10m
American Airlines
Deal found 1/28$732
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:40 pm
OPO
-
DFW
1 stop14h 50m
Multiple Airlines
Sun 2/153:45 pm
DFW
-
OPO
1 stop18h 55m
Multiple Airlines
Deal found 1/28$732
This Kiwi.com deal was found by Cheapflights users on 1/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:15 am
LIS
-
AUS
2 stops35h 06m
Multiple Airlines
Mon 3/235:50 am
AUS
-
LIS
1 stop18h 35m
Multiple Airlines
Deal found 1/30$732
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/58:20 am
LIS
-
DFW
1 stop14h 40m
American Airlines
Mon 2/93:45 pm
DFW
-
LIS
1 stop14h 20m
American Airlines
Deal found 1/28$733
This Gurufare deal was found by Cheapflights users on 1/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:25 am
LIS
-
DFW
1 stop17h 45m
Multiple Airlines
Sat 4/2510:59 pm
DFW
-
LIS
1 stop18h 11m
Multiple Airlines
Deal found 1/27$735
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:35 am
LIS
-
AUS
2 stops20h 29m
Multiple Airlines
Tue 4/215:55 pm
AUS
-
LIS
1 stop23h 05m
Multiple Airlines
Deal found 1/28$735

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 January 30, 2026.

Round-trip from

$651
(Kiwi.com)

One-way from

$325
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$777
From Portugal to Texas
Search Deals
One-way flight from Portugal to Texas
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 30, 2026.
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

Mon 3/16

10:10 am-11:49 pm

1 stop18h 39m

Houston George Bush Intcntl

Fri 3/20

5:24 pm-12:35 pm

1 stop14h 11m

$651

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 3/14

5:40 pm-7:51 am

2 stops43h 11m

Dallas/Fort Worth

Sat 3/21

5:15 pm-10:50 pm

1 stop24h 35m

$696

PortoAustin

OPO - AUS

OPOAUS

Porto

Mon 3/16

8:30 am-11:59 pm

2 stops20h 29m

Austin Bergstrom

Mon 3/23

1:26 pm-11:50 am

1 stop17h 24m

$710

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 2/9

8:40 pm-5:30 am

1 stop14h 50m

Dallas/Fort Worth

Sun 2/15

3:45 pm-4:40 pm

1 stop18h 55m

$732

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 4/18

8:25 am-8:10 pm

1 stop17h 45m

Dallas/Fort Worth

Sat 4/25

10:59 pm-11:10 pm

1 stop18h 11m

$735

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 4/9

6:35 am-9:04 pm

2 stops20h 29m

Austin Bergstrom

Tue 4/21

5:55 pm-11:00 pm

1 stop23h 05m

$735

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 2/14

10:40 am-9:36 pm

1 stop16h 56m

Houston George Bush Intcntl

Mon 3/2

9:45 pm-2:45 pm

1 stop35h 00m

$740

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 2/13

11:05 am-9:36 pm

1 stop16h 31m

Houston George Bush Intcntl

Fri 2/20

1:16 pm-5:55 pm

2 stops22h 39m

$740

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sun 2/15

11:05 am-9:36 pm

1 stop16h 31m

Houston George Bush Intcntl

Mon 3/2

9:45 pm-2:45 pm

1 stop35h 00m

$742

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Thu 4/9

4:30 pm-3:25 pm

1 stop28h 55m

Austin Bergstrom

Tue 4/21

5:55 pm-11:00 pm

1 stop23h 05m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 January 30, 2026.
Get a feel of what it's like to fly with United Airlines and British Airways 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
9,214 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,214 reviews
United Airlines
7.4
Good
9,214 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
British Airways
6.7
Okay
7,705 reviews
United Airlines
7.4
Good
9,214 reviews

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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?

    British Airways, American Airlines, and Iberia can get you from Portugal to Texas in just under 16h 56m. Your travel time can differ by up to 5h 58m. The distance between Portugal and Texas is about 4767 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 $518 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 January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$729Average$803FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$794Average$854FlexibilityNo cancel feeOn-time69%

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