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$220+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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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 diciembre 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:30 amDFW - LIS
1 stop14h 25mBritish Airways
jue. 1/812:55 pmLIS - DFW
2 stops37h 25mBritish Airways
Deal found 12/11$591
This American Airlines deal was found by Cheapflights users on 12/11. 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.
jue. 12/1112:57 pmDFW - LIS
1 stop14h 08mAmerican Airlines
mié. 12/1711:05 amLIS - DFW
2 stops14h 51mAmerican Airlines
Deal found 12/11$611
This Finnair deal was found by Cheapflights users on 12/10. 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.
lun. 12/1512:35 pmDFW - LIS
1 stop14h 30mMultiple Airlines
lun. 12/224:10 pmLIS - DFW
1 stop29h 00mMultiple Airlines
Deal found 12/10$634
This Finnair deal was found by Cheapflights users on 12/11. 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.
mié. 12/171:29 pmDFW - LIS
1 stop11h 26mMultiple Airlines
mié. 12/246:30 amLIS - DFW
1 stop16h 00mMultiple Airlines
Deal found 12/11$639
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/112:00 pmDFW - LIS
1 stop13h 05mBritish Airways
vie. 12/196:45 pmLIS - DFW
2 stops30h 47mBritish Airways
Deal found 12/10$667
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/128:35 pmDFW - LIS
1 stop19h 50mBritish Airways
dom. 12/216:40 pmLIS - DFW
1 stop24h 10mBritish Airways
Deal found 12/11$689
This United Airlines deal was found by Cheapflights users on 12/11. 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.
jue. 12/116:00 pmDFW - LIS
2 stops32h 10mUnited Airlines
mié. 12/1711:00 amLIS - DFW
2 stops42h 06mUnited Airlines
Deal found 12/11$690
This United Airlines deal was found by Cheapflights users on 12/10. 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.
lun. 12/157:00 amDFW - LIS
2 stops19h 10mUnited Airlines
lun. 12/2211:55 amLIS - DFW
2 stops17h 11mUnited Airlines
Deal found 12/10$691
This United Airlines deal was found by Cheapflights users on 12/10. 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.
sáb. 12/137:00 amDFW - LIS
2 stops21h 15mUnited Airlines
jue. 12/1810:55 amLIS - DFW
1 stop16h 44mUnited Airlines
Deal found 12/10$708
This Finnair deal was found by Cheapflights users on 12/11. 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.
mar. 12/162:55 pmAUS - LIS
1 stop12h 10mMultiple Airlines
mar. 12/2311:05 amLIS - AUS
1 stop16h 52mMultiple Airlines
Deal found 12/11$784
This Air Canada deal was found by Cheapflights users on 12/11. 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.
mié. 12/317:10 amIAH - LIS
1 stop19h 45mAir Canada
jue. 1/812:40 pmLIS - IAH
2 stops26h 34mAir Canada
Deal found 12/11$787
This American Airlines deal was found by Cheapflights users on 12/10. 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.
jue. 12/116:08 amAUS - LIS
1 stop20h 57mAmerican Airlines
mié. 12/2410:40 amLIS - AUS
1 stop36h 10mAmerican Airlines
Deal found 12/10$810

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 diciembre 12, 2025.

Round-trip from

$427
(Kiwi.com)

One-way from

$220
(Flightnetwork)

Popular in

June

Cheapest in

February

Average price

$933
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 ($223 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 December 2025
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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 diciembre 12, 2025.
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

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

jue. 1/22

10:51 am-10:25 am

2 stops17h 34m

Porto

jue. 2/5

5:00 am-4:10 pm

1 stop17h 10m

$481

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

jue. 1/22

6:05 pm-10:25 pm

1 stop22h 20m

Porto

jue. 2/5

5:00 am-4:10 pm

1 stop17h 10m

$483

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 1/22

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

jue. 1/29

11:20 am-8:49 pm

2 stops39h 29m

$486

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

sáb. 1/24

7:20 am-8:00 am

1 stop18h 40m

Lisbon Humberto Delgado

sáb. 1/31

5:00 am-4:10 pm

1 stop17h 10m

$486

AustinPorto

AUS - OPO

AUSOPO

Austin Bergstrom

dom. 1/25

6:25 pm-3:25 pm

2 stops15h 00m

Porto

dom. 2/1

4:10 pm-4:10 pm

1 stop30h 00m

$488

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mié. 1/28

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

dom. 2/1

10:50 am-10:47 pm

2 stops41h 57m

$489

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

dom. 2/8

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

lun. 2/16

11:20 am-10:45 pm

2 stops41h 25m

$489

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

jue. 1/29

9:50 am-8:10 am

2 stops16h 20m

Lisbon Humberto Delgado

mié. 2/4

11:20 am-3:16 pm

2 stops33h 56m

$489

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

dom. 2/8

4:00 pm-5:30 pm

2 stops19h 30m

Lisbon Humberto Delgado

lun. 2/16

5:00 am-4:10 pm

1 stop17h 10m

$490

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

mié. 1/28

1:05 pm-9:20 am

1 stop14h 15m

Lisbon Humberto Delgado

dom. 2/1

10:50 am-10:47 pm

2 stops41h 57m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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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 $735). 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.

What is the cheapest time of day to fly from TX to PT?

Find hourly flight availability from Texas to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Texas to Portugal by exploring options for tickets in the evening.

What is the cheapest day to fly from Texas to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Texas to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Texas to Portugal flight should consider departing on Sunday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 20m. Delta provides one of the quickest options available for as low as $486. 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 United Airlines from $238 and British Airways 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 $735). 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 Texas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$517Average$984FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$523Average$934FlexibilityNo cancel feeOn-time70%
DeltaCheapest$529Average$957FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$531Average$936FlexibilityNo cancel feeOn-time75%
IberiaCheapest$537Average$846FlexibilityNo cancel feeOn-time77%
FinnairCheapest$537Average$724FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$537Average$988FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$549Average$881FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$913FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$608Average$954FlexibilityNo cancel feeOn-time72%

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