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

British Airways, American Airlines, and United Airlines are the most popular carriers operating from Dallas to Portugal

What airlines fly to Portugal?

United Airlines, British Airways and American Airlines are the top three most popular airlines that fly to Portugal from Dallas according to our data. United Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 11 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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

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

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

As of January 2026, there are 11 operators available to choose from for flights from Dallas to Portugal.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas to Portugal.

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

The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$216 Cheap Flights from Dallas to Portugal in 2026

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Find the cheapest flights from Dallas to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:20 pm - 4:10 pm

DFW

FNC

21h 50m2 stops

2:10 pm - 5:30 am

FNC

DFW

21h 20m1 stop

$548Multiple Airlines

mié., feb. 18 - mié., feb. 25

10:36 am - 12:05 pm

DFW

OPO

19h 29m2 stops

12:35 pm - 6:28 pm

OPO

DFW

35h 53m1 stop

$556Brussels Airlines

mar., feb. 17 - mar., feb. 24

7:08 pm - 9:55 pm

DFW

LIS

21h 47m2 stops

3:55 pm - 7:58 pm

LIS

DFW

33h 03m2 stops

$557British Airways

jue., mar. 12 - dom., mar. 22

10:15 pm - 9:55 pm

DFW

LIS

18h 40m1 stop

6:35 pm - 8:10 pm

LIS

DFW

30h 35m1 stop

$559British Airways

jue., mar. 19 - mié., mar. 25

6:45 pm - 8:00 am

DFW

LIS

31h 15m1 stop

5:35 am - 1:35 pm

LIS

DFW

14h 00m1 stop

$560Delta

vie., may. 1 - mié., may. 13

3:40 pm - 11:15 am

DFW

LIS

13h 35m1 stop

12:15 pm - 1:35 pm

LIS

DFW

31h 20m1 stop

$561Delta

lun., abr. 6 - dom., abr. 12

12:20 pm - 12:50 pm

DFW

OPO

18h 30m2 stops

6:00 am - 9:32 pm

OPO

DFW

45h 32m2 stops

$591Air Canada

dom., feb. 1 - mar., feb. 10

12:20 pm - 12:05 pm

DFW

OPO

17h 45m2 stops

6:00 am - 9:32 pm

OPO

DFW

21h 32m2 stops

$592Air Canada

lun., feb. 2 - mar., feb. 10

7:10 am - 9:30 am

DFW

OPO

20h 20m2 stops

12:35 pm - 9:42 pm

OPO

DFW

14h 07m1 stop

$599United Airlines

dom., mar. 1 - jue., mar. 12

5:35 pm - 8:40 am

DFW

PDL

10h 05m1 stop

11:00 am - 6:16 pm

PDL

DFW

12h 16m1 stop

$1,076United Airlines

mar., jun. 2 - mié., jun. 10

British Airways flights from Dallas to Portugal

Our best British Airways deals on Dallas to Portugal flight tickets

British Airways

Mar 12

DFW7:00 amDallas/Fort Worth

26h 45m

2 stops

LIS2:45 pmLisbon Humberto Delgado

Mar 22

LIS3:55 pmLisbon Humberto Delgado

33h 03m

2 stops

DFW7:58 pmDallas/Fort Worth

$557

Find similar

British Airways

Apr 10

DFW7:40 pmDallas/Fort Worth

21h 30m

1 stop

LIS11:10 pmLisbon Humberto Delgado

Apr 13

LIS7:15 amLisbon Humberto Delgado

15h 50m

1 stop

DFW5:05 pmDallas/Fort Worth

$559

Find similar

British Airways

Feb 13

DFW10:40 pmDallas/Fort Worth

31h 30m

2 stops

LIS12:10 pmLisbon Humberto Delgado

Feb 22

LIS7:05 amLisbon Humberto Delgado

32h 00m

2 stops

DFW9:05 amDallas/Fort Worth

$563

Find similar

Lufthansa flights from Dallas to Portugal

Our best Lufthansa deals on Dallas to Portugal flight tickets

Lufthansa

May 2

DFW4:22 pmDallas/Fort Worth

24h 03m

2 stops

LIS10:25 pmLisbon Humberto Delgado

May 13

LIS5:05 amLisbon Humberto Delgado

23h 24m

2 stops

DFW10:29 pmDallas/Fort Worth

$558

Find similar

Lufthansa

Apr 29

DFW4:00 pmDallas/Fort Worth

24h 25m

2 stops

LIS10:25 pmLisbon Humberto Delgado

May 12

LIS5:05 amLisbon Humberto Delgado

22h 23m

2 stops

DFW9:28 pmDallas/Fort Worth

$565

Find similar

Lufthansa

Apr 29

DFW4:00 pmDallas/Fort Worth

24h 25m

2 stops

LIS10:25 pmLisbon Humberto Delgado

May 11

LIS5:05 amLisbon Humberto Delgado

15h 10m

1 stop

DFW2:15 pmDallas/Fort Worth

$572

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

mié. 2/18

12:20 pm-4:10 pm

2 stops21h 50m

Funchal Madeira

mié. 2/25

2:10 pm-5:30 am

1 stop21h 20m

$548

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 2/17

10:36 am-12:05 pm

2 stops19h 29m

Porto

mar. 2/24

12:35 pm-6:28 pm

1 stop35h 53m

$556

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jue. 3/12

7:08 pm-9:55 pm

2 stops21h 47m

Lisbon Humberto Delgado

dom. 3/22

3:55 pm-7:58 pm

2 stops33h 03m

$557

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jue. 3/19

10:15 pm-9:55 pm

1 stop18h 40m

Lisbon Humberto Delgado

mié. 3/25

6:35 pm-8:10 pm

1 stop30h 35m

$559

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

vie. 5/1

6:45 pm-8:00 am

1 stop31h 15m

Lisbon Humberto Delgado

mié. 5/13

5:35 am-1:35 pm

1 stop14h 00m

$560

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

lun. 4/6

3:40 pm-11:15 am

1 stop13h 35m

Lisbon Humberto Delgado

dom. 4/12

12:15 pm-1:35 pm

1 stop31h 20m

$561

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

dom. 2/1

12:20 pm-12:50 pm

2 stops18h 30m

Porto

mar. 2/10

6:00 am-9:32 pm

2 stops45h 32m

$591

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 2/2

12:20 pm-12:05 pm

2 stops17h 45m

Porto

mar. 2/10

6:00 am-9:32 pm

2 stops21h 32m

$592

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

dom. 3/1

7:10 am-9:30 am

2 stops20h 20m

Porto

jue. 3/12

12:35 pm-9:42 pm

1 stop14h 07m

$599

DallasPonta Delgada

DFW - PDL

DFWPDL

Dallas/Fort Worth

mar. 6/2

5:35 pm-8:40 am

1 stop10h 05m

Ponta Delgada Nordela

mié. 6/10

11:00 am-6:16 pm

1 stop12h 16m

$1,076

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 Dallas 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

Prices

Airlines

What is the cheapest month to fly to Portugal?

The cheapest month to fly to Portugal from Dallas is in February. Flight prices, which tend to average around $578, 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 Dallas during October instead. Flights to Portugal in October, while not as cheap as those in February, still average around $617.

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

You are more likely to see cheaper flights to Portugal from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $726 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Dallas for as low as $692 on momondo.

Cheap Dallas to Portugal flight deals and tips

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

Fastest flight time	10h 05m
Direct flights	None

The fastest flight from Dallas to Portugal takes 10h 05m

There are no direct flights from Dallas to Portugal. There are no popular flight routes from Dallas to Portugal.

Search flight deals

When did momondo last update prices for flights from Dallas to Portugal?
Prices for flights from Dallas to Portugal were last updated today.
How many operators does momondo search for flights from Dallas to Portugal?
As of January 2026, there are 11 operators available to choose from for flights from Dallas to Portugal.
How old do you have to be to fly from Dallas to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Dallas to Portugal

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $517	Free Cancellation	Rating 6.7 7,649 reviews	Search British Airways flights
Delta	PriceFrom $522	Free Cancellation	Rating 7.9 8,018 reviews	Search Delta flights
Air France	PriceFrom $530	Free Cancellation	Rating 7.4 1,518 reviews	Search Air France flights
American Airlines	PriceFrom $535	Free Cancellation	Rating 7.2 11,079 reviews	Search American Airlines flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,067 reviews	Search Iberia flights
United Airlines	PriceFrom $538	Free Cancellation	Rating 7.4 9,136 reviews	Search United Airlines flights
Finnair	PriceFrom $541	Free Cancellation	Rating 7.6 1,345 reviews	Search Finnair flights
Air Canada	PriceFrom $559	Free Cancellation	Rating 7.1 10,595 reviews	Search Air Canada flights
KLM	PriceFrom $572	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
Virgin Atlantic	PriceFrom $608	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights

Why use momondo?

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

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

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

Yes. All flights to Portugal from Dallas on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to Portugal.

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

If you are not ready to book a flight from Dallas to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.