What is the cheapest airline that flies from Portugal to Dallas?

Aer Lingus, Turkish Airlines, and Lufthansa are the most popular carriers operating from Portugal to Dallas

How long does it take to fly to Dallas?

Flight times from Portugal to Dallas vary, but if you’re flying out of Porto and flying into Dallas/Fort Worth Airport (one of the most popular routes), then the duration is 15h 03m on average. Another popular route from Portugal to Dallas is flying from Lisbon to Dallas/Fort Worth Airport, which will take roughly 16h 30m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Portugal to Dallas refresh daily.

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

As of July 2025, there is 1 operator available to choose from for flights from Portugal to Dallas.

How old do you have to be to fly from Portugal to Dallas?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Dallas.

What documentation or ID do you need to fly to Dallas?

The required travel and health documents for your Dallas 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 Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$406 Cheap Flights from Portugal to Dallas in 2025

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0 bags

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Find the cheapest flights from Portugal to Dallas

Round-trip

One-way

Last minute

Recent round-trip flight deals from Portugal to Dallas

10:40 am - 10:17 pmLIS-DFW

17h 37m1 stop

2:36 pm - 1:45 pmDFW-LIS

17h 09m1 stop

$694

Find Deal

vie., sep. 12 - vie., sep. 19

10:00 pm - 11:59 pmLIS-DFW

31h 59m3 stops

5:35 am - 6:30 pmDFW-LIS

30h 55m3 stops

$703

Find Deal

jue., sep. 11 - dom., sep. 21

5:40 am - 1:35 pmLIS-DFW

13h 55m1 stop

12:00 pm - 11:15 amDFW-LIS

17h 15m2 stops

$783Delta

Find Deal

lun., ago. 25 - dom., sep. 7

5:00 am - 9:54 pmLIS-DFW

22h 54m2 stops

4:05 pm - 5:30 pmDFW-LIS

19h 25m1 stop

$786Delta

Find Deal

mar., dic. 23 - mié., dic. 31

11:05 am - 7:59 pmLIS-DFW

14h 54m1 stop

5:40 pm - 11:05 pmDFW-LIS

23h 25m1 stop

$791American Airlines

Find Deal

lun., ago. 25 - dom., sep. 7

11:05 am - 7:59 pmLIS-DFW

14h 54m1 stop

7:35 pm - 11:05 pmDFW-LIS

21h 30m1 stop

$794American Airlines

Find Deal

lun., ago. 25 - dom., sep. 7

8:45 pm - 8:10 pmLIS-DFW

29h 25m1 stop

9:30 pm - 11:05 pmDFW-LIS

19h 35m1 stop

$799British Airways

Find Deal

dom., ago. 31 - dom., sep. 7

8:15 am - 8:10 pmOPO-DFW

17h 55m1 stop

9:33 am - 7:35 amDFW-OPO

16h 02m2 stops

$805Iberia

Find Deal

sáb., sep. 6 - dom., sep. 14

8:15 am - 8:10 pmOPO-DFW

17h 55m1 stop

3:22 pm - 11:40 amDFW-OPO

14h 18m2 stops

$819Iberia

Find Deal

sáb., sep. 6 - dom., sep. 14

8:45 pm - 8:10 pmLIS-DFW

29h 25m1 stop

3:22 pm - 11:05 pmDFW-LIS

25h 43m2 stops

$821British Airways

Find Deal

dom., ago. 31 - dom., sep. 7

American Airlines flights from Portugal to Dallas

Our best American Airlines deals on Portugal to Dallas flight tickets

American Airlines

Aug 25

LIS11:05 amLisbon Humberto Delgado

14h 54m

1 stop

DFW7:59 pmDallas/Fort Worth

Sep 7

DFW5:40 pmDallas/Fort Worth

23h 25m

1 stop

LIS11:05 pmLisbon Humberto Delgado

$791

Find similar

American Airlines

Aug 25

LIS11:05 amLisbon Humberto Delgado

14h 54m

1 stop

DFW7:59 pmDallas/Fort Worth

Sep 7

DFW7:35 pmDallas/Fort Worth

21h 30m

1 stop

LIS11:05 pmLisbon Humberto Delgado

$794

Find similar

American Airlines

Aug 25

LIS11:05 amLisbon Humberto Delgado

16h 18m

1 stop

DFW9:23 pmDallas/Fort Worth

Sep 7

DFW5:40 pmDallas/Fort Worth

23h 25m

1 stop

LIS11:05 pmLisbon Humberto Delgado

$800

Find similar

Delta flights from Portugal to Dallas

Our best Delta deals on Portugal to Dallas flight tickets

Delta

Aug 25

LIS5:40 amLisbon Humberto Delgado

13h 55m

1 stop

DFW1:35 pmDallas/Fort Worth

Sep 7

DFW12:00 pmDallas/Fort Worth

17h 15m

2 stops

LIS11:15 amLisbon Humberto Delgado

$783

Find similar

Delta

Dec 23

LIS5:00 amLisbon Humberto Delgado

22h 54m

2 stops

DFW9:54 pmDallas/Fort Worth

Dec 31

DFW4:05 pmDallas/Fort Worth

19h 25m

1 stop

LIS5:30 pmLisbon Humberto Delgado

$786

Find similar

Delta

Nov 6

LIS5:00 amLisbon Humberto Delgado

23h 18m

2 stops

DFW10:18 pmDallas/Fort Worth

Nov 13

DFW7:00 amDallas/Fort Worth

19h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

$787

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

vie. 9/12

10:40 am-10:17 pm

1 stop17h 37m

Dallas/Fort Worth

vie. 9/19

2:36 pm-1:45 pm

1 stop17h 09m

$694

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

jue. 9/11

10:00 pm-11:59 pm

3 stops31h 59m

Dallas/Fort Worth

dom. 9/21

5:35 am-6:30 pm

3 stops30h 55m

$703

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

lun. 8/25

5:40 am-1:35 pm

1 stop13h 55m

Dallas/Fort Worth

dom. 9/7

12:00 pm-11:15 am

2 stops17h 15m

$783

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

mar. 12/23

5:00 am-9:54 pm

2 stops22h 54m

Dallas/Fort Worth

mié. 12/31

4:05 pm-5:30 pm

1 stop19h 25m

$786

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

lun. 8/25

11:05 am-7:59 pm

1 stop14h 54m

Dallas/Fort Worth

dom. 9/7

5:40 pm-11:05 pm

1 stop23h 25m

$791

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

lun. 8/25

11:05 am-7:59 pm

1 stop14h 54m

Dallas/Fort Worth

dom. 9/7

7:35 pm-11:05 pm

1 stop21h 30m

$794

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

dom. 8/31

8:45 pm-8:10 pm

1 stop29h 25m

Dallas/Fort Worth

dom. 9/7

9:30 pm-11:05 pm

1 stop19h 35m

$799

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

dom. 9/14

9:33 am-7:35 am

2 stops16h 02m

$805

PortoDallas

OPO - DFW

OPODFW

Porto

sáb. 9/6

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

dom. 9/14

3:22 pm-11:40 am

2 stops14h 18m

$819

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

dom. 8/31

8:45 pm-8:10 pm

1 stop29h 25m

Dallas/Fort Worth

dom. 9/7

3:22 pm-11:05 pm

2 stops25h 43m

$821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portugal to Dallas

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

Prices

Airlines

Other information

What is the cheapest month to fly to Dallas?

If you are unable to visit Dallas during the month of February, then departing from Portugal during the month March is also very affordable. Most momondo users find prices during this month for around $785.

What is the cheapest day to depart on your flight to Dallas?

On average, the least expensive day to fly to Dallas from Portugal is on a Thursday. momondo users have found tickets for Thursday departures for as low as $818. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Portugal because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,324.

What is the cheapest time of day to depart on your flight to Dallas?

Flying to Dallas from Portugal in the morning is the least expensive time of day to depart. momondo users have found prices as low as $967 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Dallas, so prices are often more expensive at around $1,327 per ticket.

Cheap Portugal to Dallas flight deals and tips

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

Best Price Found	$406
Fastest flight time	13h 05m
Direct flights	None
Airports in Dallas	2 airports

The best one-way flight to Dallas from Portugal in the past 72 hours is $406. The best round-trip flight deal from Portugal to Dallas found on momondo in the last 72 hours is $694.

The fastest flight from Portugal to Dallas takes 13h 05m

There are no direct flights from Portugal to Dallas. Popular non-direct routes for this connection are Lisbon Humberto Delgado Airport - Dallas/Fort Worth Airport and Porto Airport - Dallas/Fort Worth Airport.

There are 2 airports near Dallas: Dallas/Fort Worth (DFW), Dallas Love Field (DAL)

Search flight deals

When did momondo last update prices for flights from Portugal to Dallas?
Prices for flights from Portugal to Dallas refresh daily.
How many operators does momondo search for flights from Portugal to Dallas?
As of July 2025, there is 1 operator available to choose from for flights from Portugal to Dallas.
How old do you have to be to fly from Portugal to Dallas?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Dallas.
What documentation or ID do you need to fly to Dallas?
The required travel and health documents for your Dallas 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 Dallas. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portugal to Dallas

Compare and see reviews for airlines that fly from Portugal to Dallas with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $790	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portugal to Dallas. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Dallas from Portugal with this policy.

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

Once you have performed a search for Portugal to Dallas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Dallas from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.