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.

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

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

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 November 2025, 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.

$217 Cheap Flights from Dallas to Portugal in 2025/26

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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.

2:59 pm - 9:35 amDFW-FNC

36h 36m2 stops

10:25 am - 4:43 pmFNC-DFW

36h 18m2 stops

$506KLM

Find Deal

Mon, Feb 16 - Wed, Feb 25

9:15 pm - 3:05 pmDFW-FNC

35h 50m1 stop

2:10 pm - 5:30 amFNC-DFW

21h 20m1 stop

$513Multiple Airlines

Find Deal

Mon, Feb 16 - Wed, Feb 25

9:15 pm - 2:15 pmDFW-FNC

35h 00m1 stop

12:00 pm - 7:10 pmFNC-DFW

37h 10m1 stop

$535British Airways

Find Deal

Sun, Feb 15 - Thu, Feb 26

7:25 am - 10:15 amDFW-LIS

20h 50m1 stop

12:20 pm - 2:25 pmLIS-DFW

32h 05m1 stop

$551United Airlines

Find Deal

Sun, Nov 16 - Sat, Nov 22

7:00 am - 8:00 amDFW-LIS

19h 00m1 stop

5:30 am - 5:55 pmLIS-DFW

18h 25m2 stops

$552Delta

Find Deal

Wed, Nov 26 - Sun, Dec 7

4:05 pm - 3:10 pmDFW-LIS

17h 05m1 stop

12:20 pm - 2:00 pmLIS-DFW

31h 40m1 stop

$554Delta

Find Deal

Fri, Nov 28 - Thu, Dec 11

12:07 pm - 8:10 amDFW-LIS

14h 03m1 stop

10:15 am - 6:18 pmLIS-DFW

14h 03m1 stop

$556United Airlines

Find Deal

Wed, Nov 26 - Sat, Dec 6

9:15 pm - 3:55 pmDFW-FNC

36h 40m1 stop

3:05 pm - 7:10 pmFNC-DFW

34h 05m1 stop

$561British Airways

Find Deal

Thu, Feb 19 - Tue, Feb 24

12:15 pm - 12:55 pmDFW-TER

19h 40m2 stops

1:40 pm - 7:35 pmTER-DFW

34h 55m2 stops

$790Air Canada

Find Deal

Wed, May 6 - Wed, May 13

7:05 am - 12:50 pmDFW-TER

48h 45m2 stops

7:05 am - 2:49 pmTER-DFW

36h 44m2 stops

$1,260Air Canada

Find Deal

Thu, Apr 2 - Mon, Apr 6

United Airlines flights from Dallas to Portugal

Our best United Airlines deals on Dallas to Portugal flight tickets

United Airlines

Nov 16

DFW7:25 amDallas/Fort Worth

20h 50m

1 stop

LIS10:15 amLisbon Humberto Delgado

Nov 22

LIS12:20 pmLisbon Humberto Delgado

32h 05m

1 stop

DFW2:25 pmDallas/Fort Worth

$551

Find similar

United Airlines

Nov 26

DFW12:07 pmDallas/Fort Worth

14h 03m

1 stop

LIS8:10 amLisbon Humberto Delgado

Dec 6

LIS10:15 amLisbon Humberto Delgado

14h 03m

1 stop

DFW6:18 pmDallas/Fort Worth

$556

Find similar

United Airlines

Nov 14

DFW12:05 pmDallas/Fort Worth

14h 05m

2 stops

LIS8:10 amLisbon Humberto Delgado

Nov 20

LIS10:15 amLisbon Humberto Delgado

17h 32m

2 stops

DFW9:47 pmDallas/Fort Worth

$560

Find similar

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets

Delta

Nov 26

DFW7:00 amDallas/Fort Worth

19h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Dec 7

LIS5:30 amLisbon Humberto Delgado

18h 25m

2 stops

DFW5:55 pmDallas/Fort Worth

$552

Find similar

Delta

Nov 28

DFW4:05 pmDallas/Fort Worth

17h 05m

1 stop

LIS3:10 pmLisbon Humberto Delgado

Dec 8

LIS12:20 pmLisbon Humberto Delgado

31h 40m

1 stop

DFW2:00 pmDallas/Fort Worth

$554

Find similar

Delta

Nov 27

DFW11:22 amDallas/Fort Worth

21h 13m

2 stops

LIS2:35 pmLisbon Humberto Delgado

Dec 10

LIS5:00 amLisbon Humberto Delgado

18h 55m

2 stops

DFW5:55 pmDallas/Fort Worth

$555

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 2/16

2:59 pm-9:35 am

2 stops36h 36m

Funchal Madeira

Wed 2/25

10:25 am-4:43 pm

2 stops36h 18m

$506

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 2/16

9:15 pm-3:05 pm

1 stop35h 50m

Funchal Madeira

Wed 2/25

2:10 pm-5:30 am

1 stop21h 20m

$513

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 2/15

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Thu 2/26

12:00 pm-7:10 pm

1 stop37h 10m

$535

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 11/16

7:25 am-10:15 am

1 stop20h 50m

Lisbon Humberto Delgado

Sat 11/22

12:20 pm-2:25 pm

1 stop32h 05m

$551

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 11/26

7:00 am-8:00 am

1 stop19h 00m

Lisbon Humberto Delgado

Sun 12/7

5:30 am-5:55 pm

2 stops18h 25m

$552

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 11/28

4:05 pm-3:10 pm

1 stop17h 05m

Lisbon Humberto Delgado

Thu 12/11

12:20 pm-2:00 pm

1 stop31h 40m

$554

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 11/26

12:07 pm-8:10 am

1 stop14h 03m

Lisbon Humberto Delgado

Sat 12/6

10:15 am-6:18 pm

1 stop14h 03m

$556

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Thu 2/19

9:15 pm-3:55 pm

1 stop36h 40m

Funchal Madeira

Tue 2/24

3:05 pm-7:10 pm

1 stop34h 05m

$561

DallasLajes

DFW - TER

DFWTER

Dallas/Fort Worth

Wed 5/6

12:15 pm-12:55 pm

2 stops19h 40m

Lajes

Wed 5/13

1:40 pm-7:35 pm

2 stops34h 55m

$790

DallasLajes

DFW - TER

DFWTER

Dallas/Fort Worth

Thu 4/2

7:05 am-12:50 pm

2 stops48h 45m

Lajes

Mon 4/6

7:05 am-2:49 pm

2 stops36h 44m

$1,260

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 $592, 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.

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

According to our data, Tuesday is the cheapest day to fly to Portugal from Dallas. The lowest ticket price found for a Tuesday departure recently was $767. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Friday, with ticket prices averaging around $879.

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

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from Dallas to Portugal during this time can be as low as $789. At noon is when there is more demand to fly to Portugal, so prices are often more expensive at around $891 per ticket.

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 $729 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 $677 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

Direct flights	None

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 November 2025, 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
Finnair	PriceFrom $531	Free Cancellation	Rating 7.6 1,335 reviews	Search Finnair flights
Delta	PriceFrom $532	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
British Airways	PriceFrom $536	Free Cancellation	Rating 6.7 7,513 reviews	Search British Airways flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,009 reviews	Search Iberia flights
American Airlines	PriceFrom $539	Free Cancellation	Rating 7.2 11,052 reviews	Search American Airlines flights
United Airlines	PriceFrom $547	Free Cancellation	Rating 7.4 9,016 reviews	Search United Airlines flights
Air France	PriceFrom $551	Free Cancellation	Rating 7.4 1,486 reviews	Search Air France flights
KLM	PriceFrom $572	Free Cancellation	Rating 7.7 1,410 reviews	Search KLM flights
Air Canada	PriceFrom $590	Free Cancellation	Rating 7.1 10,444 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $608	Free Cancellation	Rating 7.5 673 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.