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$458+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
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 May 6, 2026.

This deal was found by Cheapflights users on 5/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:20 pm
LIS
-
DFW
1 stop14h 05m
United Airlines
Wed 9/305:25 pm
DFW
-
LIS
1 stop11h 05m
United Airlines
Deal found 5/1$849
This British Airways deal was found by Cheapflights users on 5/3. 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.
Sat 10/36:55 pm
LIS
-
DFW
1 stop24h 15m
British Airways
Sat 10/177:40 pm
DFW
-
LIS
1 stop14h 40m
British Airways
Deal found 5/3$911
This Rumbo deal was found by Cheapflights users on 5/2. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:55 pm
LIS
-
DFW
1 stop24h 15m
Multiple Airlines
Sat 10/177:40 pm
DFW
-
LIS
1 stop14h 40m
Multiple Airlines
Deal found 5/2$914
This Rumbo deal was found by Cheapflights users on 5/1. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:05 am
LIS
-
IAH
1 stop17h 35m
British Airways
Tue 12/19:50 pm
IAH
-
LIS
1 stop13h 50m
British Airways
Deal found 5/1$918
This British Airways deal was found by Cheapflights users on 5/3. 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.
Fri 10/1611:05 am
LIS
-
IAH
1 stop13h 02m
British Airways
Fri 10/233:30 pm
IAH
-
LIS
1 stop25h 40m
British Airways
Deal found 5/3$926
This British Airways deal was found by Cheapflights users on 5/5. 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 9/311:05 am
LIS
-
IAH
1 stop17h 35m
British Airways
Thu 9/173:40 pm
IAH
-
LIS
1 stop25h 25m
British Airways
Deal found 5/5$928
This British Airways deal was found by Cheapflights users on 5/4. 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.
Sun 11/17:05 am
LIS
-
AUS
1 stop15h 45m
British Airways
Sun 11/156:55 pm
AUS
-
LIS
1 stop16h 50m
British Airways
Deal found 5/4$933
This British Airways deal was found by Cheapflights users on 5/5. 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.
Fri 5/227:20 am
LIS
-
IAH
1 stop36h 00m
British Airways
Sun 6/79:00 pm
IAH
-
LIS
1 stop20h 05m
British Airways
Deal found 5/5$934
This British Airways deal was found by Cheapflights users on 5/3. 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.
Mon 12/216:35 pm
LIS
-
AUS
1 stop28h 15m
British Airways
Mon 1/116:55 pm
AUS
-
LIS
1 stop14h 00m
British Airways
Deal found 5/3$936
This British Airways deal was found by Cheapflights users on 5/5. 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 9/37:20 am
LIS
-
IAH
2 stops19h 20m
Multiple Airlines
Thu 9/179:05 pm
IAH
-
LIS
1 stop20h 00m
Multiple Airlines
Deal found 5/5$941
This British Airways deal was found by Cheapflights users on 5/3. 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.
Mon 12/218:20 am
LIS
-
AUS
2 stops19h 40m
Multiple Airlines
Mon 1/114:18 pm
AUS
-
LIS
2 stops16h 37m
Multiple Airlines
Deal found 5/3$944
This British Airways deal was found by Cheapflights users on 5/4. 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 5/287:55 pm
OPO
-
DFW
1 stop24h 20m
Multiple Airlines
Tue 6/210:59 am
DFW
-
OPO
2 stops14h 41m
Multiple Airlines
Deal found 5/4$950

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 May 6, 2026.

Round-trip from

$849

One-way from

$458
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$1,116
From Portugal to Texas
Search Deals
One-way flight from Portugal to Texas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 6, 2026.
Use the filters below to find and compare flights from Portugal to Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 8/29

11:05 am-10:40 pm

1 stop17h 35m

Houston George Bush Intcntl

Tue 12/1

4:32 pm-2:45 pm

2 stops16h 13m

$926

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 9/3

11:05 am-10:40 pm

1 stop17h 35m

Houston George Bush Intcntl

Thu 9/17

3:40 pm-11:05 pm

1 stop25h 25m

$928

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Sun 11/1

6:40 pm-4:50 pm

1 stop28h 10m

Austin Bergstrom

Sun 11/15

5:00 pm-2:50 pm

2 stops15h 50m

$933

LisbonAustin

LIS - AUS

LISAUS

Lisbon Humberto Delgado

Wed 6/10

4:25 pm-3:25 pm

1 stop29h 00m

Austin Bergstrom

Wed 7/8

10:30 pm-11:15 pm

1 stop18h 45m

$933

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 9/3

7:20 am-8:40 pm

2 stops19h 20m

Houston George Bush Intcntl

Thu 9/17

9:05 pm-11:05 pm

1 stop20h 00m

$941

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/21

6:00 am-8:25 pm

2 stops20h 25m

Dallas/Fort Worth

Wed 5/27

7:00 am-6:55 am

2 stops17h 55m

$958

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 6/15

6:00 am-3:48 pm

2 stops39h 48m

Dallas/Fort Worth

Mon 6/22

4:54 pm-6:15 am

1 stop31h 21m

$958

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 5/29

6:00 am-6:48 pm

2 stops18h 48m

Dallas/Fort Worth

Fri 6/5

7:15 am-6:55 am

1 stop17h 40m

$958

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 5/21

6:00 am-6:11 pm

2 stops18h 11m

Austin Bergstrom

Wed 5/27

7:05 am-6:55 am

1 stop17h 50m

$959

PortoAustin

OPO - AUS

OPOAUS

Porto

Thu 5/21

6:00 am-6:11 pm

2 stops18h 11m

Austin Bergstrom

Wed 5/27

10:09 am-6:55 am

1 stop14h 46m

$960

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Portugal to Texas (average of $313). Flying from Portugal to Texas in July is currently the most expensive (average of $775). 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.

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, United Airlines, and Delta can get you from Portugal to Texas in just under 17h 10m. Your travel time can differ by up to 3h 15m. The distance between Portugal and Texas is about 4874 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. Iberia flights start at $534 while deals on British Airways start at $540 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, May is the cheapest month in which you can book a flight from Portugal to Texas (average of $313). Flying from Portugal to Texas in July is currently the most expensive (average of $775). 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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