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Cheap flights from Texas to Portugal from $319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Texas to Portugal departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Texas to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:30 pm - 9:30 am
IAH
-
OPO
13h 00m
1 stop
United Airlines Logo
6:00 am - 6:15 pm
OPO
-
IAH
18h 15m
1 stop
$707United Airlines
Mon, Nov 16 - Thu, Nov 19
United Airlines Logo
1:35 pm - 9:30 am
IAH
-
OPO
13h 55m
1 stop
United Airlines Logo
6:00 am - 6:15 pm
OPO
-
IAH
18h 15m
1 stop
$708United Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
4:05 pm - 10:30 am
IAH
-
OPO
12h 25m
1 stop
Multiple Airlines Logo
4:10 pm - 1:05 pm
OPO
-
IAH
26h 55m
1 stop
$709Multiple Airlines
Sun, Nov 8 - Mon, Nov 16
Multiple Airlines Logo
1:15 pm - 10:30 am
IAH
-
OPO
15h 15m
2 stops
Multiple Airlines Logo
11:15 am - 1:05 pm
OPO
-
IAH
31h 50m
1 stop
$713Multiple Airlines
Sun, Nov 8 - Mon, Nov 16
Delta Logo
9:40 am - 10:30 am
IAH
-
OPO
19h 50m
2 stops
Delta Logo
5:00 am - 1:05 pm
OPO
-
IAH
14h 05m
1 stop
$714Delta
Mon, Oct 26 - Tue, Nov 3
Delta Logo
11:50 am - 10:30 am
IAH
-
OPO
16h 40m
2 stops
Delta Logo
5:00 am - 6:28 pm
OPO
-
IAH
19h 28m
2 stops
$723Delta
Wed, Dec 2 - Tue, Dec 8
Air Canada Logo
9:55 am - 9:50 am
AUS
-
LIS
18h 55m
1 stop
Air Canada Logo
1:00 pm - 12:19 pm
LIS
-
AUS
29h 19m
1 stop
$753Air Canada
Mon, Oct 26 - Tue, Nov 3
Air Canada Logo
1:10 pm - 11:00 am
AUS
-
LIS
15h 50m
1 stop
Air Canada Logo
1:00 pm - 12:19 pm
LIS
-
AUS
29h 19m
1 stop
$757Air Canada
Wed, Nov 4 - Tue, Nov 10
Scandinavian Airlines Logo
1:25 pm - 11:05 am
DFW
-
OPO
39h 40m
2 stops
Scandinavian Airlines Logo
11:55 am - 9:07 pm
OPO
-
DFW
39h 12m
2 stops
$760Scandinavian Airlines
Mon, Nov 2 - Wed, Nov 18
Scandinavian Airlines Logo
2:10 pm - 4:05 pm
SAT
-
LIS
19h 55m
2 stops
Scandinavian Airlines Logo
4:55 pm - 10:27 pm
LIS
-
SAT
35h 32m
2 stops
$789Scandinavian Airlines
Fri, Nov 6 - Sun, Nov 15

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Air Canada flights from Texas to Portugal

Our best Air Canada deals on Texas to Portugal flight tickets
Air Canada
Oct 26
AUS9:55 amAustin Bergstrom
18h 55m
1 stop
LIS9:50 amLisbon Humberto Delgado
Nov 3
LIS1:00 pmLisbon Humberto Delgado
29h 19m
1 stop
AUS12:19 pmAustin Bergstrom
$753
Air Canada
Nov 4
AUS1:10 pmAustin Bergstrom
15h 50m
1 stop
LIS11:00 amLisbon Humberto Delgado
Nov 10
LIS1:00 pmLisbon Humberto Delgado
29h 19m
1 stop
AUS12:19 pmAustin Bergstrom
$757
Air Canada
Nov 17
AUS6:40 amAustin Bergstrom
21h 10m
2 stops
LIS9:50 amLisbon Humberto Delgado
Nov 25
LIS11:20 amLisbon Humberto Delgado
35h 05m
2 stops
AUS4:25 pmAustin Bergstrom
$779

Lufthansa flights from Texas to Portugal

Our best Lufthansa deals on Texas to Portugal flight tickets
Lufthansa
Nov 24
AUS3:55 pmAustin Bergstrom
17h 00m
1 stop
LIS2:55 pmLisbon Humberto Delgado
Dec 6
LIS5:00 amLisbon Humberto Delgado
15h 05m
1 stop
AUS2:05 pmAustin Bergstrom
$795
Lufthansa
Nov 2
SAT2:01 pmSan Antonio
14h 14m
2 stops
LIS10:15 amLisbon Humberto Delgado
Nov 9
LIS5:00 amLisbon Humberto Delgado
20h 23m
2 stops
SAT7:23 pmSan Antonio
$807
Lufthansa
Nov 30
SAT7:30 amSan Antonio
20h 45m
1 stop
LIS10:15 amLisbon Humberto Delgado
Dec 9
LIS11:55 amLisbon Humberto Delgado
14h 11m
1 stop
SAT8:06 pmSan Antonio
$815

momondo 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, momondo users made 832,500 searches. Data last updated June 9, 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
Quickest round-trip

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Mon 11/16

2:30 pm-9:30 am

1 stop13h 00m

Porto

Thu 11/19

6:00 am-6:15 pm

1 stop18h 15m

$707

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Mon 11/16

1:35 pm-9:30 am

1 stop13h 55m

Porto

Thu 11/19

6:00 am-6:15 pm

1 stop18h 15m

$708

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 11/8

4:05 pm-10:30 am

1 stop12h 25m

Porto

Mon 11/16

4:10 pm-1:05 pm

1 stop26h 55m

$709

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 11/8

1:15 pm-10:30 am

2 stops15h 15m

Porto

Mon 11/16

11:15 am-1:05 pm

1 stop31h 50m

$713

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Mon 10/26

9:40 am-10:30 am

2 stops19h 50m

Porto

Tue 11/3

5:00 am-1:05 pm

1 stop14h 05m

$714

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 12/2

11:50 am-10:30 am

2 stops16h 40m

Porto

Tue 12/8

5:00 am-6:28 pm

2 stops19h 28m

$723

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 10/26

9:55 am-9:50 am

1 stop18h 55m

Lisbon Humberto Delgado

Tue 11/3

1:00 pm-12:19 pm

1 stop29h 19m

$753

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Wed 11/4

1:10 pm-11:00 am

1 stop15h 50m

Lisbon Humberto Delgado

Tue 11/10

1:00 pm-12:19 pm

1 stop29h 19m

$757

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 11/2

1:25 pm-11:05 am

2 stops39h 40m

Porto

Wed 11/18

11:55 am-9:07 pm

2 stops39h 12m

$760

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Fri 11/6

2:10 pm-4:05 pm

2 stops19h 55m

Lisbon Humberto Delgado

Sun 11/15

4:55 pm-10:27 pm

2 stops35h 32m

$789

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portugal from

How to get the cheapest flight ticket from Texas to Portugal

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Texas is in January. Flight prices, which tend to average around $310, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Texas during April instead. Flights to Portugal in April, while not as cheap as those in January, still average around $355.

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

You are more likely to see cheaper flights to Portugal from Texas when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $747 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Texas for as low as $657 on momondo.

Can stopping save me money on Texas to Portugal flights?

You could potentially save up to 25% on your flight if you consider stops on a Texas to Portugal flight.

Cheap Texas to Portugal flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Texas to Portugal

Fastest flight time

10h 45m

Direct flights

None
The fastest flight from Texas to Portugal takes 10h 45m
There are no direct flights from Texas to Portugal. There are no popular flight routes from Texas to Portugal.
Search flight deals

Frequently asked questions about flying from Texas to Portugal

  • When did momondo last update prices for flights from Texas to Portugal?

    Prices for flights from Texas to Portugal were last updated today.

  • How many operators does momondo search for flights from Texas to Portugal?

  • How old do you have to be to fly from Texas to Portugal?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Texas to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The required travel and health documents for your Portugal trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Texas to Portugal

Compare and see reviews for airlines that fly from Texas to Portugal with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $395Free CancellationRating
6.8
8,049 reviews
Search Lufthansa flights
British AirwaysPriceFrom $445Free CancellationRating
6.7
8,034 reviews
Search British Airways flights
DeltaPriceFrom $466Free CancellationRating
7.9
8,394 reviews
Search Delta flights
KLMPriceFrom $476Free CancellationRating
7.8
1,527 reviews
Search KLM flights
United AirlinesPriceFrom $492Free CancellationRating
7.4
9,800 reviews
Search United Airlines flights
IberiaPriceFrom $493Free CancellationRating
7.0
3,230 reviews
Search Iberia flights
American AirlinesPriceFrom $502Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights
FinnairPriceFrom $505Free CancellationRating
7.7
1,405 reviews
Search Finnair flights
Air CanadaPriceFrom $516Free CancellationRating
7.1
11,151 reviews
Search Air Canada flights
Air FrancePriceFrom $521Free CancellationRating
7.4
1,598 reviews
Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Texas to Portugal?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Texas to Portugal for you.

Can I find flights from Texas to Portugal with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portugal from Texas which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Texas to Portugal?

Once all potential Texas to Portugal flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Texas to Portugal right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Texas to Portugal flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Portugal

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