Portugal

$285+ Cheap flights from Texas to Portugal

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Apr 16 — Apr 231
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Cheap flight deals from Texas to Portugal

Cheapest flights from Texas to Portugal
Explore the most affordable flight options available from Texas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:00 pm
DFW
-
LIS
1 stop24h 10m
Lufthansa
Tue 4/145:05 am
LIS
-
DFW
1 stop15h 10m
Lufthansa
Deal found 3/13$571
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/156:00 pm
IAH
-
LIS
1 stop17h 15m
Multiple Airlines
Wed 4/297:00 pm
LIS
-
IAH
1 stop19h 23m
Multiple Airlines
Deal found 3/16$572
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 4/157:59 pm
DFW
-
LIS
1 stop15h 16m
Multiple Airlines
Wed 4/227:00 pm
LIS
-
DFW
1 stop20h 16m
Multiple Airlines
Deal found 3/16$580
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 pm
IAH
-
LIS
1 stop17h 15m
Multiple Airlines
Thu 4/2310:20 am
LIS
-
IAH
1 stop13h 33m
Multiple Airlines
Deal found 3/13$580
This Mytrip deal was found by Cheapflights users on 3/12. 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 4/74:00 pm
DFW
-
LIS
1 stop24h 10m
Multiple Airlines
Tue 4/211:00 pm
LIS
-
DFW
1 stop31h 52m
Multiple Airlines
Deal found 3/12$581
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 pm
IAH
-
LIS
1 stop17h 15m
Multiple Airlines
Mon 4/2010:25 am
LIS
-
IAH
1 stop14h 50m
Multiple Airlines
Deal found 3/14$593
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/134:05 pm
AUS
-
LIS
1 stop24h 10m
Lufthansa
Tue 4/2812:35 pm
LIS
-
AUS
1 stop31h 25m
Lufthansa
Deal found 3/12$593
This Mytrip deal was found by Cheapflights users on 3/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/164:30 pm
IAH
-
OPO
1 stop23h 55m
Multiple Airlines
Fri 11/276:00 am
OPO
-
IAH
2 stops21h 44m
Multiple Airlines
Deal found 3/14$593
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:20 pm
DFW
-
LIS
2 stops40h 40m
Air Canada
Tue 5/511:25 am
LIS
-
DFW
1 stop16h 20m
Air Canada
Deal found 3/15$596
This Air France deal was found by Cheapflights users on 3/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:20 am
AUS
-
LIS
1 stop21h 25m
Multiple Airlines
Sat 5/95:00 am
LIS
-
AUS
1 stop17h 10m
Multiple Airlines
Deal found 3/14$596
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Mon 3/1612:05 pm
DFW
-
LIS
2 stops17h 10m
United Airlines
Wed 4/15:05 am
LIS
-
DFW
1 stop15h 10m
United Airlines
Deal found 3/12$599
This Delta deal was found by Cheapflights users on 3/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:56 pm
AUS
-
LIS
1 stop34h 04m
Delta
Sat 5/95:00 am
LIS
-
AUS
1 stop17h 10m
Delta
Deal found 3/15$601

Find flight deals from Texas to Portugal

Keep the following information in mind while searching for Texas to Portugal flight deals. Data was last updated March 17, 2026.

Round-trip from

$571
(Kiwi.com)

One-way from

$285
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$783
From Texas to Portugal
One-way flight from Texas to Portugal
Highest demand for flights based on searches. 23% potential increase in price ($268 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Texas to Portugal 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 17, 2026.
Use the filters below to find and compare flights from Texas to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sat 4/25

3:56 pm-8:00 am

1 stop34h 04m

Lisbon Humberto Delgado

Sat 5/9

5:00 am-4:10 pm

1 stop17h 10m

$601

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 4/15

3:50 pm-5:50 pm

1 stop20h 00m

Lisbon Humberto Delgado

Fri 4/24

5:00 am-1:15 pm

1 stop14h 15m

$655

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 4/16

3:50 pm-2:55 pm

1 stop17h 05m

Lisbon Humberto Delgado

Thu 4/23

5:00 am-1:15 pm

1 stop14h 15m

$655

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 4/16

3:50 pm-5:50 pm

1 stop20h 00m

Lisbon Humberto Delgado

Wed 4/22

5:00 am-1:15 pm

1 stop14h 15m

$655

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 4/9

3:50 pm-2:55 pm

1 stop17h 05m

Lisbon Humberto Delgado

Thu 4/16

11:55 am-11:59 pm

2 stops18h 04m

$665

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 4/16

4:30 pm-10:45 pm

1 stop24h 15m

Lisbon Humberto Delgado

Tue 4/21

5:05 am-8:20 pm

2 stops21h 15m

$667

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 4/15

3:50 pm-10:00 pm

1 stop24h 10m

Porto

Wed 4/22

11:45 am-11:59 pm

2 stops18h 14m

$705

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 4/14

3:50 pm-10:25 pm

1 stop24h 35m

Lisbon Humberto Delgado

Thu 4/23

10:25 am-1:15 pm

1 stop32h 50m

$706

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 3/24

1:23 pm-10:15 am

2 stops15h 52m

Lisbon Humberto Delgado

Fri 4/17

7:25 am-11:04 pm

2 stops21h 39m

$709

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 5/6

3:20 pm-10:50 pm

1 stop25h 30m

Lisbon Humberto Delgado

Mon 5/11

7:45 pm-1:15 pm

1 stop23h 30m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Texas to Portugal

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

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

Currently, December is the cheapest month in which you can book a flight from Texas to Portugal (average of $414). Flying from Texas to Portugal in June is currently the most expensive (average of $733). 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 Texas to Portugal. 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 Texas to Portugal?

    A quick flight from Texas to Portugal can take about 17h 35m. Delta provides one of the quickest options available for as low as $669. The distance from Texas to Portugal is about 4726 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $233 on United Airlines. Other airlines that offer cheap prices include Brussels Airlines from $235 and American Airlines from $237 one-way.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Texas to Portugal (average of $414). Flying from Texas to Portugal in June is currently the most expensive (average of $733). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Texas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Texas to Portugal

Discover the top 10 airlines that operate flights from Texas to Portugal. 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 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$445Average$934FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$460Average$1,027FlexibilityNo cancel feeOn-time76%
DeltaCheapest$466Average$910FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$476Average$901FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$492Average$965FlexibilityNo cancel feeOn-time69%
IberiaCheapest$494Average$827FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$498Average$889FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$516Average$926FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$518Average$764FlexibilityNo cancel feeOn-time77%
FinnairCheapest$528Average$767FlexibilityNo cancel feeOn-time76%

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