HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$219+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Texas to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 28, 2026.

This Mytrip deal was found by Cheapflights users on 1/25. 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 3/34:10 pm
AUS
-
LIS
1 stop16h 20m
Multiple Airlines
Tue 3/105:00 am
LIS
-
AUS
2 stops36h 19m
Multiple Airlines
Deal found 1/25$484
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/274:57 pm
AUS
-
LIS
1 stop11h 33m
United Airlines
Tue 5/511:25 am
LIS
-
AUS
2 stops34h 55m
United Airlines
Deal found 1/26$487
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:45 am
AUS
-
LIS
1 stop14h 55m
KLM
Wed 3/411:25 am
LIS
-
AUS
1 stop34h 45m
KLM
Deal found 1/27$489
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:55 pm
AUS
-
LIS
1 stop14h 00m
Multiple Airlines
Mon 11/164:10 pm
LIS
-
AUS
2 stops32h 46m
Multiple Airlines
Deal found 1/27$490
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm
IAH
-
OPO
1 stop12h 25m
Delta
Mon 11/911:15 am
OPO
-
IAH
1 stop32h 15m
Delta
Deal found 1/27$490
This Delta deal was found by Cheapflights users on 1/25. 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.
Mon 3/210:56 am
AUS
-
LIS
2 stops16h 04m
Delta
Mon 3/95:00 am
LIS
-
AUS
1 stop17h 10m
Delta
Deal found 1/25$492
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:30 pm
IAH
-
OPO
1 stop13h 00m
Delta
Mon 11/911:15 am
OPO
-
IAH
1 stop32h 15m
Delta
Deal found 1/27$495
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:15 am
AUS
-
LIS
1 stop21h 00m
United Airlines
Thu 3/55:00 am
LIS
-
AUS
2 stops33h 34m
United Airlines
Deal found 1/27$496
This KLM deal was found by Cheapflights users on 1/26. 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.
Tue 3/311:45 am
AUS
-
LIS
1 stop15h 15m
KLM
Tue 3/175:00 am
LIS
-
AUS
2 stops18h 57m
KLM
Deal found 1/26$498
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:56 pm
AUS
-
LIS
1 stop12h 04m
KLM
Wed 3/115:00 am
LIS
-
AUS
2 stops18h 57m
KLM
Deal found 1/27$499
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:35 pm
IAH
-
OPO
1 stop13h 55m
United Airlines
Fri 11/66:00 am
OPO
-
IAH
2 stops23h 49m
United Airlines
Deal found 1/27$499
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm
IAH
-
OPO
1 stop12h 25m
Delta
Tue 11/105:00 am
OPO
-
IAH
2 stops23h 04m
Delta
Deal found 1/27$500

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 January 28, 2026.

Round-trip from

$484
(Mytrip)

One-way from

$219
(oojo)

Popular in

June

Cheapest in

March

Average price

$736
From Texas to Portugal
Search Deals
One-way flight from Texas to Portugal
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($222 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 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 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 January 28, 2026.
Use the filters below to find and compare flights from Texas to Portugal that are best for you.

Fly from

Texas

Fly to

Portugal

Route

Depart

Return

Price

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 3/2

7:20 am-9:00 am

1 stop19h 40m

Lisbon Humberto Delgado

Mon 3/9

5:00 am-5:10 pm

1 stop17h 10m

$488

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/27

7:15 am-10:30 am

1 stop21h 15m

Lisbon Humberto Delgado

Tue 5/5

11:25 am-12:21 pm

2 stops30h 56m

$488

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 2/25

11:45 am-8:40 am

1 stop14h 55m

Lisbon Humberto Delgado

Wed 3/4

11:25 am-4:10 pm

1 stop34h 45m

$489

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 3/2

10:56 am-9:00 am

2 stops16h 04m

Lisbon Humberto Delgado

Mon 3/9

5:00 am-5:10 pm

1 stop17h 10m

$492

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 2/25

12:19 pm-8:10 am

2 stops13h 51m

Lisbon Humberto Delgado

Wed 3/4

5:00 am-9:27 pm

2 stops22h 27m

$500

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 4/22

5:30 am-8:20 am

2 stops20h 50m

Lisbon Humberto Delgado

Mon 4/27

5:05 am-10:42 pm

2 stops23h 37m

$501

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 3/4

11:36 am-8:40 am

2 stops15h 04m

Lisbon Humberto Delgado

Mon 3/9

4:10 pm-3:00 pm

1 stop27h 50m

$512

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 2/24

10:45 am-8:00 am

2 stops15h 15m

Lisbon Humberto Delgado

Tue 3/10

10:00 am-10:45 pm

2 stops17h 45m

$513

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 3/3

9:43 am-10:15 am

3 stops18h 32m

Lisbon Humberto Delgado

Tue 3/10

11:55 am-10:55 pm

2 stops16h 00m

$513

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sun 3/1

6:30 am-8:10 am

2 stops19h 40m

Lisbon Humberto Delgado

Mon 3/9

11:55 am-8:44 pm

1 stop13h 49m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
1
2
3
...
6

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 $734). 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 16h 04m. KLM provides one of the quickest options available for as low as $492. The distance from Texas to Portugal is about 4874 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 $235 on Brussels Airlines. Other airlines that offer cheap prices include American Airlines from $237 and United Airlines from $238 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 $734). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Texas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Heathrow flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Orly flights
Boston to Heathrow flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Orly flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Madrid flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Newark to Dublin flights
Los Angeles to Heathrow flights
Newark to Barcelona-El Prat flights
LaGuardia to Charles de Gaulle flights
Miami to Madrid flights
John F Kennedy Intl to Dublin flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
O'Hare Intl to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Malpensa flights
San Francisco to Heathrow flights
Newark to Madrid flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to Barcelona-El Prat flights
Boston to Charles de Gaulle flights
Newark to Malpensa flights
Baltimore to Heathrow flights
John F Kennedy Intl to Stansted flights
Dulles Intl to Charles de Gaulle flights
O'Hare Intl to Charles de Gaulle flights
Los Angeles to Charles de Gaulle flights
Boston to Leonardo da Vinci/Fiumicino flights
Newark to Lisbon flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Amsterdam flights
San Francisco to Charles de Gaulle flights
LaGuardia to Gatwick flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
Boston to Gatwick flights
San Francisco to Leonardo da Vinci/Fiumicino flights

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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$445Average$894FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$465Average$1,114FlexibilityNo cancel feeOn-time76%
KLMCheapest$476Average$931FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$508Average$968FlexibilityNo cancel feeOn-time71%
DeltaCheapest$517Average$902FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$521Average$785FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$532Average$999FlexibilityNo cancel feeOn-time69%
IberiaCheapest$537Average$844FlexibilityNo cancel feeOn-time77%
FinnairCheapest$541Average$745FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$560Average$927FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights