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Cheap flights from Texas to Portugal from $246

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 5/3. 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
0 bags

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Find the cheapest flights from Texas to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:37 pm - 2:55 pm
DFW
-
LIS
19h 18m
2 stops
Delta Logo
5:00 am - 5:48 pm
LIS
-
DFW
18h 48m
2 stops
$501Delta
Mon, Apr 13 - Wed, Apr 29
Delta Logo
1:42 pm - 2:55 pm
SAT
-
LIS
19h 13m
2 stops
Delta Logo
5:00 am - 8:30 pm
LIS
-
SAT
21h 30m
2 stops
$501Delta
Tue, Apr 28 - Wed, May 6
Finnair Logo
5:15 pm - 11:25 pm
DFW
-
LIS
25h 10m
1 stop
Finnair Logo
6:35 am - 5:10 pm
LIS
-
DFW
16h 35m
1 stop
$502Finnair
Mon, Mar 23 - Tue, Mar 31
American Airlines Logo
9:25 pm - 5:40 pm
DFW
-
LIS
15h 15m
1 stop
American Airlines Logo
11:05 am - 11:50 pm
LIS
-
DFW
17h 45m
2 stops
$504American Airlines
Tue, Mar 10 - Tue, Mar 17
Finnair Logo
1:55 pm - 3:50 pm
AUS
-
LIS
19h 55m
2 stops
Finnair Logo
4:35 pm - 5:49 pm
LIS
-
AUS
31h 14m
2 stops
$505Finnair
Mon, Apr 27 - Tue, May 5
British Airways Logo
10:30 pm - 11:00 pm
AUS
-
LIS
18h 30m
1 stop
British Airways Logo
11:00 am - 3:25 pm
LIS
-
AUS
34h 25m
1 stop
$506British Airways
Tue, Apr 7 - Tue, Apr 21
Iberia Logo
8:49 am - 7:45 am
DFW
-
LIS
16h 56m
2 stops
Iberia Logo
6:35 am - 8:04 pm
LIS
-
DFW
19h 29m
2 stops
$509Iberia
Wed, Apr 22 - Thu, Apr 30
American Airlines Logo
5:55 pm - 11:10 pm
AUS
-
LIS
23h 15m
1 stop
American Airlines Logo
7:10 am - 8:35 pm
LIS
-
AUS
19h 25m
1 stop
$510American Airlines
Mon, Apr 13 - Mon, Apr 27
British Airways Logo
5:55 pm - 11:10 pm
AUS
-
LIS
23h 15m
1 stop
British Airways Logo
6:45 pm - 3:25 pm
LIS
-
AUS
26h 40m
1 stop
$511British Airways
Sat, Apr 18 - Wed, Apr 29
Iberia Logo
9:45 pm - 8:00 pm
DFW
-
OPO
16h 15m
1 stop
Iberia Logo
8:20 am - 8:10 pm
OPO
-
DFW
17h 50m
1 stop
$579Iberia
Tue, Apr 7 - Tue, Apr 14

Finnair flights from Texas to Portugal

Our best Finnair deals on Texas to Portugal flight tickets
Finnair
Mar 23
DFW5:15 pmDallas/Fort Worth
25h 10m
1 stop
LIS11:25 pmLisbon Humberto Delgado
Mar 31
LIS6:35 amLisbon Humberto Delgado
16h 35m
1 stop
DFW5:10 pmDallas/Fort Worth
$502
Finnair
Apr 27
AUS1:55 pmAustin Bergstrom
19h 55m
2 stops
LIS3:50 pmLisbon Humberto Delgado
May 5
LIS4:35 pmLisbon Humberto Delgado
31h 14m
2 stops
AUS5:49 pmAustin Bergstrom
$505
Finnair
Apr 24
AUS1:55 pmAustin Bergstrom
19h 55m
2 stops
LIS3:50 pmLisbon Humberto Delgado
May 9
LIS6:35 amLisbon Humberto Delgado
23h 16m
2 stops
AUS11:51 pmAustin Bergstrom
$509

American Airlines flights from Texas to Portugal

Our best American Airlines deals on Texas to Portugal flight tickets
American Airlines
Mar 10
DFW9:25 pmDallas/Fort Worth
15h 15m
1 stop
LIS5:40 pmLisbon Humberto Delgado
Mar 17
LIS11:05 amLisbon Humberto Delgado
17h 45m
2 stops
DFW11:50 pmDallas/Fort Worth
$504
American Airlines
Apr 13
AUS5:55 pmAustin Bergstrom
23h 15m
1 stop
LIS11:10 pmLisbon Humberto Delgado
Apr 27
LIS7:10 amLisbon Humberto Delgado
19h 25m
1 stop
AUS8:35 pmAustin Bergstrom
$510
American Airlines
Mar 17
DFW12:41 pmDallas/Fort Worth
15h 24m
1 stop
LIS9:05 amLisbon Humberto Delgado
Mar 31
LIS7:10 amLisbon Humberto Delgado
19h 29m
1 stop
DFW8:39 pmDallas/Fort Worth
$517

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 February 24, 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

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/13

1:37 pm-2:55 pm

2 stops19h 18m

Lisbon Humberto Delgado

Wed 4/29

5:00 am-5:48 pm

2 stops18h 48m

$501

San AntonioLisbon

SAT - LIS

SATLIS

San Antonio

Tue 4/28

1:42 pm-2:55 pm

2 stops19h 13m

Lisbon Humberto Delgado

Wed 5/6

5:00 am-8:30 pm

2 stops21h 30m

$501

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 3/23

5:15 pm-11:25 pm

1 stop25h 10m

Lisbon Humberto Delgado

Tue 3/31

6:35 am-5:10 pm

1 stop16h 35m

$502

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 3/10

9:25 pm-5:40 pm

1 stop15h 15m

Lisbon Humberto Delgado

Tue 3/17

11:05 am-11:50 pm

2 stops17h 45m

$504

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/27

1:55 pm-3:50 pm

2 stops19h 55m

Lisbon Humberto Delgado

Tue 5/5

4:35 pm-5:49 pm

2 stops31h 14m

$505

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Tue 4/7

10:30 pm-11:00 pm

1 stop18h 30m

Lisbon Humberto Delgado

Tue 4/21

11:00 am-3:25 pm

1 stop34h 25m

$506

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 4/22

8:49 am-7:45 am

2 stops16h 56m

Lisbon Humberto Delgado

Thu 4/30

6:35 am-8:04 pm

2 stops19h 29m

$509

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Mon 4/13

5:55 pm-11:10 pm

1 stop23h 15m

Lisbon Humberto Delgado

Mon 4/27

7:10 am-8:35 pm

1 stop19h 25m

$510

AustinLisbon

AUS - LIS

AUSLIS

Austin Bergstrom

Sat 4/18

5:55 pm-11:10 pm

1 stop23h 15m

Lisbon Humberto Delgado

Wed 4/29

6:45 pm-3:25 pm

1 stop26h 40m

$511

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 4/7

9:45 pm-8:00 pm

1 stop16h 15m

Porto

Tue 4/14

8:20 am-8:10 pm

1 stop17h 50m

$579

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 February. Flight prices, which tend to average around $558, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Texas during October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $615.

How far in advance should I book a flight 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 $707 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 $654 on momondo.

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 46m

Direct flights

None
The fastest flight from Texas to Portugal takes 10h 46m
There are no direct flights from Texas to Portugal. There are no popular flight routes from Texas to Portugal.
Search flight deals

  • 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
British AirwaysPriceFrom $445Free CancellationRating
6.7
7,766 reviews
Search British Airways flights
LufthansaPriceFrom $460Free CancellationRating
6.8
7,809 reviews
Search Lufthansa flights
DeltaPriceFrom $466Free CancellationRating
7.9
8,238 reviews
Search Delta flights
KLMPriceFrom $476Free CancellationRating
7.7
1,460 reviews
Search KLM flights
American AirlinesPriceFrom $501Free CancellationRating
7.1
11,345 reviews
Search American Airlines flights
IberiaPriceFrom $509Free CancellationRating
7.0
3,125 reviews
Search Iberia flights
Air FrancePriceFrom $521Free CancellationRating
7.4
1,538 reviews
Search Air France flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,345 reviews
Search United Airlines flights
FinnairPriceFrom $531Free CancellationRating
7.6
1,369 reviews
Search Finnair flights
Air CanadaPriceFrom $555Free CancellationRating
7.1
10,746 reviews
Search Air Canada 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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