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, Air France, and KLM 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 December 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.

$226 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.

9:15 pm - 3:10 pm

DFW

FNC

35h 55m1 stop

12:25 pm - 7:10 pm

FNC

DFW

36h 45m1 stop

$511British Airways

Mon, Jan 19 - Mon, Jan 26

3:45 pm - 9:30 am

DFW

FNC

59h 45m2 stops

10:25 am - 5:06 pm

FNC

DFW

36h 41m2 stops

$513KLM

Mon, Jan 19 - Mon, Jan 26

1:30 pm - 5:10 pm

DFW

FNC

21h 40m2 stops

10:20 am - 12:16 am

FNC

DFW

19h 56m2 stops

$533KLM

Thu, Feb 5 - Thu, Feb 12

3:40 pm - 11:15 am

DFW

LIS

13h 35m1 stop

12:45 pm - 10:14 pm

LIS

DFW

15h 29m1 stop

$583Delta

Tue, Apr 28 - Sun, May 10

5:05 pm - 9:25 pm

DFW

LIS

23h 20m1 stop

6:50 pm - 1:35 pm

LIS

DFW

24h 45m1 stop

$585Air France

Sat, Mar 28 - Sun, Apr 5

4:45 pm - 8:00 am

DFW

LIS

33h 15m1 stop

12:45 pm - 10:14 pm

LIS

DFW

15h 29m1 stop

$588Delta

Sat, May 2 - Sun, May 10

8:52 am - 12:25 pm

DFW

FNC

21h 33m2 stops

1:35 pm - 5:59 pm

FNC

DFW

34h 24m2 stops

$590Iberia

Wed, Apr 15 - Wed, Apr 22

5:30 pm - 4:00 pm

DFW

OPO

16h 30m1 stop

8:40 pm - 5:30 am

OPO

DFW

14h 50m1 stop

$593Iberia

Wed, Feb 4 - Wed, Feb 11

1:05 pm - 9:30 am

DFW

OPO

15h 25m2 stops

12:35 pm - 9:42 pm

OPO

DFW

14h 07m1 stop

$598United Airlines

Mon, Mar 9 - Wed, Mar 18

12:12 pm - 10:30 am

DAL

OPO

17h 18m2 stops

5:55 am - 5:54 pm

OPO

DAL

17h 59m2 stops

$660Air France

Wed, Mar 18 - Thu, Apr 9

United Airlines flights from Dallas to Portugal

Our best United Airlines deals on Dallas to Portugal flight tickets

United Airlines

Jan 6

DFW10:25 amDallas/Fort Worth

15h 45m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 13

LIS10:15 amLisbon Humberto Delgado

18h 44m

2 stops

DFW10:59 pmDallas/Fort Worth

$598

Find similar

United Airlines

Jan 8

DFW7:00 amDallas/Fort Worth

19h 10m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 31

LIS5:00 amLisbon Humberto Delgado

24h 05m

2 stops

DFW11:05 pmDallas/Fort Worth

$599

Find similar

United Airlines

Feb 22

DFW7:30 amDallas/Fort Worth

20h 45m

1 stop

LIS10:15 amLisbon Humberto Delgado

Feb 26

LIS5:00 amLisbon Humberto Delgado

15h 25m

1 stop

DFW2:25 pmDallas/Fort Worth

$641

Find similar

Finnair flights from Dallas to Portugal

Our best Finnair deals on Dallas to Portugal flight tickets

Finnair

Mar 14

DFW5:55 pmDallas/Fort Worth

16h 30m

1 stop

LIS3:25 pmLisbon Humberto Delgado

Mar 21

LIS4:10 pmLisbon Humberto Delgado

29h 00m

1 stop

DFW4:10 pmDallas/Fort Worth

$634

Find similar

Finnair

May 11

DFW4:50 pmDallas/Fort Worth

17h 00m

1 stop

LIS3:50 pmLisbon Humberto Delgado

May 26

LIS4:35 pmLisbon Humberto Delgado

28h 30m

1 stop

DFW3:05 pmDallas/Fort Worth

$644

Find similar

Finnair

Jan 4

DFW4:55 pmDallas/Fort Worth

16h 30m

1 stop

LIS3:25 pmLisbon Humberto Delgado

Jan 12

LIS4:10 pmLisbon Humberto Delgado

29h 00m

1 stop

DFW3:10 pmDallas/Fort Worth

$721

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/19

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Mon 1/26

12:25 pm-7:10 pm

1 stop36h 45m

$511

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/19

3:45 pm-9:30 am

2 stops59h 45m

Funchal Madeira

Mon 1/26

10:25 am-5:06 pm

2 stops36h 41m

$513

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Thu 2/5

1:30 pm-5:10 pm

2 stops21h 40m

Funchal Madeira

Thu 2/12

10:20 am-12:16 am

2 stops19h 56m

$533

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 4/28

3:40 pm-11:15 am

1 stop13h 35m

Lisbon Humberto Delgado

Sun 5/10

12:45 pm-10:14 pm

1 stop15h 29m

$583

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 3/28

5:05 pm-9:25 pm

1 stop23h 20m

Lisbon Humberto Delgado

Sun 4/5

6:50 pm-1:35 pm

1 stop24h 45m

$585

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 5/2

4:45 pm-8:00 am

1 stop33h 15m

Lisbon Humberto Delgado

Sun 5/10

12:45 pm-10:14 pm

1 stop15h 29m

$588

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 4/15

8:52 am-12:25 pm

2 stops21h 33m

Funchal Madeira

Wed 4/22

1:35 pm-5:59 pm

2 stops34h 24m

$590

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 2/4

5:30 pm-4:00 pm

1 stop16h 30m

Porto

Wed 2/11

8:40 pm-5:30 am

1 stop14h 50m

$593

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/9

1:05 pm-9:30 am

2 stops15h 25m

Porto

Wed 3/18

12:35 pm-9:42 pm

1 stop14h 07m

$598

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Wed 3/18

12:12 pm-10:30 am

2 stops17h 18m

Porto

Thu 4/9

5:55 am-5:54 pm

2 stops17h 59m

$660

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 $583, 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 $727 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	11h 17m
Direct flights	None

The fastest flight from Dallas to Portugal takes 11h 17m

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 December 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
British Airways	PriceFrom $520	Free Cancellation	Rating 6.7 7,606 reviews	Search British Airways flights
Delta	PriceFrom $527	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Air France	PriceFrom $530	Free Cancellation	Rating 7.4 1,513 reviews	Search Air France flights
Finnair	PriceFrom $536	Free Cancellation	Rating 7.6 1,339 reviews	Search Finnair flights
American Airlines	PriceFrom $536	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,056 reviews	Search Iberia flights
United Airlines	PriceFrom $538	Free Cancellation	Rating 7.4 9,106 reviews	Search United Airlines flights
Air Canada	PriceFrom $558	Free Cancellation	Rating 7.1 10,551 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 7.5 677 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.