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

British Airways, Air Canada, 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 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.

$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.

9:15 pm - 3:10 pm

DFW

FNC

35h 55m1 stop

4:00 pm - 7:10 pm

FNC

DFW

33h 10m1 stop

$534British Airways

Mon, Jan 12 - Wed, Jan 28

9:15 pm - 2:15 pm

DFW

FNC

35h 00m1 stop

3:05 pm - 7:10 pm

FNC

DFW

34h 05m1 stop

$537British Airways

Sun, Jan 11 - Tue, Jan 27

12:30 pm - 5:50 pm

DFW

FNC

23h 20m2 stops

6:00 pm - 8:36 pm

FNC

DFW

32h 36m2 stops

$557KLM

Fri, Jan 30 - Fri, Feb 6

9:15 pm - 2:15 pm

DFW

FNC

35h 00m1 stop

3:05 pm - 7:44 pm

FNC

DFW

34h 39m2 stops

$559British Airways

Sun, Jan 11 - Tue, Jan 27

9:00 pm - 9:20 am

DFW

LIS

30h 20m2 stops

1:00 pm - 11:40 am

LIS

DFW

28h 40m1 stop

$585Air Canada

Sat, May 16 - Sun, May 24

3:45 pm - 4:00 pm

DFW

OPO

18h 15m2 stops

8:40 pm - 5:30 am

OPO

DFW

14h 50m1 stop

$591Iberia

Mon, Feb 9 - Wed, Feb 18

11:15 am - 9:00 am

DFW

LIS

16h 45m1 stop

10:00 am - 8:56 am

LIS

DFW

27h 56m2 stops

$594Delta

Mon, Mar 16 - Fri, Mar 20

1:55 pm - 7:40 am

DFW

OPO

11h 45m1 stop

8:20 am - 4:50 pm

OPO

DFW

14h 30m1 stop

$594Iberia

Tue, Feb 10 - Thu, Feb 19

6:37 pm - 3:25 pm

DAL

OPO

14h 48m2 stops

6:15 am - 5:50 pm

OPO

DAL

17h 35m2 stops

$788Air France

Tue, May 5 - Tue, May 12

12:20 pm - 11:15 pm

DFW

TER

29h 55m2 stops

6:40 am - 9:32 pm

TER

DFW

19h 52m2 stops

$1,160Air Canada

Thu, Jan 29 - Mon, Feb 2

Air Canada flights from Dallas to Portugal

Our best Air Canada deals on Dallas to Portugal flight tickets

Air Canada

May 16

DFW9:00 pmDallas/Fort Worth

30h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

May 24

LIS1:00 pmLisbon Humberto Delgado

28h 40m

1 stop

DFW11:40 amDallas/Fort Worth

$585

Find similar

Air Canada

Dec 31

DFW7:00 amDallas/Fort Worth

19h 55m

2 stops

LIS8:55 amLisbon Humberto Delgado

Jan 18

LIS10:50 amLisbon Humberto Delgado

17h 17m

1 stop

DFW10:07 pmDallas/Fort Worth

$592

Find similar

Air Canada

May 15

DFW9:00 pmDallas/Fort Worth

30h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

May 24

LIS11:25 amLisbon Humberto Delgado

16h 20m

1 stop

DFW9:45 pmDallas/Fort Worth

$598

Find similar

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets

Delta

Mar 16

DFW10:34 amDallas/Fort Worth

17h 26m

2 stops

LIS9:00 amLisbon Humberto Delgado

Mar 20

LIS10:00 amLisbon Humberto Delgado

27h 56m

2 stops

DFW8:56 amDallas/Fort Worth

$594

Find similar

Delta

Jan 25

DFW7:35 amDallas/Fort Worth

20h 55m

2 stops

OPO10:30 amPorto

Feb 9

OPO11:25 amPorto

32h 35m

1 stop

DFW2:00 pmDallas/Fort Worth

$598

Find similar

Delta

Apr 16

DFW3:30 pmDallas/Fort Worth

18h 00m

2 stops

OPO3:30 pmPorto

Apr 30

OPO5:00 amPorto

22h 50m

2 stops

DFW9:50 pmDallas/Fort Worth

$653

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/12

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Wed 1/28

4:00 pm-7:10 pm

1 stop33h 10m

$534

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 1/11

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Tue 1/27

3:05 pm-7:10 pm

1 stop34h 05m

$537

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Fri 1/30

12:30 pm-5:50 pm

2 stops23h 20m

Funchal Madeira

Fri 2/6

6:00 pm-8:36 pm

2 stops32h 36m

$557

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 1/11

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Tue 1/27

3:05 pm-7:44 pm

2 stops34h 39m

$559

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 5/16

9:00 pm-9:20 am

2 stops30h 20m

Lisbon Humberto Delgado

Sun 5/24

1:00 pm-11:40 am

1 stop28h 40m

$585

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 2/9

3:45 pm-4:00 pm

2 stops18h 15m

Porto

Wed 2/18

8:40 pm-5:30 am

1 stop14h 50m

$591

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 3/16

11:15 am-9:00 am

1 stop16h 45m

Lisbon Humberto Delgado

Fri 3/20

10:00 am-8:56 am

2 stops27h 56m

$594

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

1:55 pm-7:40 am

1 stop11h 45m

Porto

Thu 2/19

8:20 am-4:50 pm

1 stop14h 30m

$594

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Tue 5/5

6:37 pm-3:25 pm

2 stops14h 48m

Porto

Tue 5/12

6:15 am-5:50 pm

2 stops17h 35m

$788

DallasLajes

DFW - TER

DFWTER

Dallas/Fort Worth

Thu 1/29

12:20 pm-11:15 pm

2 stops29h 55m

Lajes

Mon 2/2

6:40 am-9:32 pm

2 stops19h 52m

$1,160

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 $587, 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 $671 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 30m
Direct flights	None

The fastest flight from Dallas to Portugal takes 10h 30m

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 $523	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Delta	PriceFrom $527	Free Cancellation	Rating 7.9 8,005 reviews	Search Delta flights
Air France	PriceFrom $530	Free Cancellation	Rating 7.4 1,507 reviews	Search Air France flights
Finnair	PriceFrom $535	Free Cancellation	Rating 7.6 1,338 reviews	Search Finnair flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,052 reviews	Search Iberia flights
United Airlines	PriceFrom $538	Free Cancellation	Rating 7.4 9,091 reviews	Search United Airlines flights
American Airlines	PriceFrom $538	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
Air Canada	PriceFrom $565	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
KLM	PriceFrom $572	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
Virgin Atlantic	PriceFrom $608	Free Cancellation	Rating 7.5 675 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.