Portugal

$291+ Cheap flights from Texas to Portugal

DFW — LIS
Dec 12 — Dec 191
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Cheap flight deals from Texas to Portugal

Cheapest flights from Texas to Portugal

Mon 12/712:10 pm -
1 stop16h 30m
Tue 12/225:00 am -
1 stop15h 25m
Deal found 11/7$730
Mon 12/72:20 pm -
2 stops14h 00m
Tue 12/225:00 am -
1 stop15h 25m
Deal found 11/7$732
Tue 12/89:24 pm -
3 stops33h 26m
Tue 12/2211:40 am -
3 stops30h 44m
Deal found 11/8$734
Tue 12/83:30 pm -
1 stop11h 50m
Tue 12/155:00 am -
1 stop15h 00m
Deal found 11/9$735
Wed 12/97:00 am -
1 stop19h 55m
Wed 12/165:00 am -
1 stop15h 25m
Deal found 11/7$743
Mon 12/712:10 pm -
1 stop16h 30m
Wed 12/165:00 am -
1 stop15h 25m
Deal found 11/7$747
Tue 12/812:10 pm -
2 stops15h 10m
Tue 12/155:00 am -
1 stop15h 25m
Deal found 11/10$751
Tue 12/812:05 pm -
1 stop15h 15m
Tue 12/155:00 am -
2 stops36h 11m
Deal found 11/9$755
Sun 12/1311:08 am -
1 stop15h 07m
Fri 12/255:00 am -
1 stop14h 05m
Deal found 11/9$756
Sun 12/136:15 am -
2 stops20h 00m
Thu 12/2411:15 am -
1 stop31h 50m
Deal found 11/9$761
Wed 12/97:30 am -
1 stop18h 45m
Wed 12/165:55 am -
1 stop16h 55m
Deal found 11/10$763
Sun 12/137:05 am -
1 stop19h 10m
Tue 12/225:55 am -
1 stop16h 55m
Deal found 11/9$763

Find flight deals from Texas to Portugal

Round-trip from

$705
(Expedia)

One-way from

$291
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$788
From Texas to Portugal
One-way flight from Texas to Portugal
Highest demand for flights based on searches. 25% potential increase in price ($330 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Texas to Portugal that are best for you.

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Route

Depart

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Price

Cheapest round-trip

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Sun 2/14

8:25 am-8:10 am

3 stops17h 45m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$345

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Tue 3/23

7:55 pm-9:50 pm

1 stop20h 55m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$353

AustinLisbon

AUS Austin Bergstrom - LIS Lisbon Humberto Delgado

AUSLIS

Austin Bergstrom

Tue 3/23

1:24 pm-9:05 am

1 stop14h 41m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$357

HoustonLisbon

IAH Houston George Bush Intcntl - LIS Lisbon Humberto Delgado

IAHLIS

Houston George Bush Intcntl

Thu 2/25

8:25 am-8:10 am

3 stops17h 45m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$395

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Wed 11/25

10:59 pm-1:35 pm

3 stops32h 36m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$404

San AntonioLisbon

SAT San Antonio - LIS Lisbon Humberto Delgado

SATLIS

San Antonio

Sun 4/4

12:10 pm-10:30 am

1 stop16h 20m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$405

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Wed 3/31

5:05 pm-3:25 pm

1 stop16h 20m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$410

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Sun 4/4

5:05 pm-3:25 pm

1 stop16h 20m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$410

HoustonPorto

IAH Houston George Bush Intcntl - OPO Porto

IAHOPO

Houston George Bush Intcntl

Wed 3/31

7:20 am-9:45 am

2 stops20h 25m

Porto

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$411

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Wed 12/30

12:10 pm-4:40 pm

2 stops22h 30m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-5:00 pm

Nonstop0h 00m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

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

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, February is the cheapest month in which you can book a flight from Texas to Portugal (average of $705). Flying from Texas to Portugal in June is currently the most expensive (average of $1,189). 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.

How far ahead should I book a flight from Texas to Portugal?

The best time to book flights from Texas to Portugal is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

  • How long is the flight from Texas to Portugal?

    A quick flight from Texas to Portugal can take about 20h 10m. KLM provides one of the quickest options available for as low as $727. 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 $245 on American Airlines. Other airlines that offer cheap prices include Delta from $246 and Lufthansa from $251 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, February is the cheapest month in which you can book a flight from Texas to Portugal (average of $705). Flying from Texas to Portugal in June is currently the most expensive (average of $1,189). 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

Alternative routes for Texas to Portugal

Top 10 airlines flying from Texas to Portugal

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$360Average$804FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$457Average$1,074FlexibilityNo cancel feeOn-time76%
KLMCheapest$476Average$944FlexibilityNo cancel feeOn-time75%
DeltaCheapest$478Average$974FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$493Average$898FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$500Average$834FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$508Average$1,060FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$512Average$849FlexibilityNo cancel feeOn-time77%
FinnairCheapest$524Average$795FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$563Average$935FlexibilityNo cancel feeOn-time67%

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