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 32% 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, United Airlines, and Lufthansa 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 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.

7:40 pm - 6:10 pm

DFW

FNC

16h 30m

1 stop

1:10 pm - 1:15 pm

FNC

DFW

30h 05m

1 stop

$535British Airways

Sun, Apr 12 - Sun, Apr 26

3:30 pm - 9:35 am

DFW

FNC

60h 05m

2 stops

6:40 pm - 5:48 pm

FNC

DFW

29h 08m

2 stops

$536KLM

Sun, Apr 12 - Sun, Apr 26

11:15 am - 11:00 am

DFW

LIS

17h 45m

2 stops

11:25 am - 9:45 pm

LIS

DFW

16h 20m

1 stop

$539Air Canada

Wed, May 13 - Tue, May 19

7:00 am - 11:00 am

DFW

LIS

22h 00m

2 stops

11:25 am - 4:07 pm

LIS

DFW

34h 42m

2 stops

$545Air Canada

Wed, May 13 - Tue, May 19

9:45 pm - 11:25 pm

DFW

LIS

19h 40m

1 stop

4:35 pm - 3:05 pm

LIS

DFW

28h 30m

1 stop

$547Finnair

Fri, Apr 10 - Sun, Apr 19

7:35 am - 8:00 am

DFW

LIS

18h 25m

1 stop

5:00 am - 10:34 pm

LIS

DFW

23h 34m

2 stops

$548Delta

Sun, Feb 8 - Sun, Feb 15

4:50 pm - 3:50 pm

DFW

LIS

17h 00m

1 stop

6:35 am - 4:20 pm

LIS

DFW

15h 45m

1 stop

$551Finnair

Mon, May 11 - Mon, May 18

7:25 am - 10:30 am

DFW

LIS

21h 05m

1 stop

5:05 am - 2:15 pm

LIS

DFW

15h 10m

1 stop

$552United Airlines

Mon, Apr 20 - Sat, Apr 25

10:48 am - 9:30 am

DFW

OPO

16h 42m

2 stops

6:00 am - 8:50 pm

OPO

DFW

20h 50m

2 stops

$560United Airlines

Mon, Feb 23 - Wed, Mar 4

10:15 am - 5:50 pm

DAL

LIS

25h 35m

2 stops

9:50 am - 10:33 pm

LIS

DAL

18h 43m

2 stops

$584Delta

Mon, Apr 20 - Thu, Apr 23

Air Canada flights from Dallas to Portugal

Our best Air Canada deals on Dallas to Portugal flight tickets

Air Canada

May 13

DFW11:15 amDallas/Fort Worth

17h 45m

2 stops

LIS11:00 amLisbon Humberto Delgado

May 19

LIS11:25 amLisbon Humberto Delgado

16h 20m

1 stop

DFW9:45 pmDallas/Fort Worth

$539

Air Canada

May 13

DFW7:00 amDallas/Fort Worth

22h 00m

2 stops

LIS11:00 amLisbon Humberto Delgado

May 19

LIS11:25 amLisbon Humberto Delgado

34h 42m

2 stops

DFW4:07 pmDallas/Fort Worth

$545

Air Canada

Mar 18

DFW12:20 pmDallas/Fort Worth

19h 55m

2 stops

OPO1:15 pmPorto

Apr 9

OPO6:00 amPorto

21h 24m

2 stops

DFW9:24 pmDallas/Fort Worth

$556

Finnair flights from Dallas to Portugal

Our best Finnair deals on Dallas to Portugal flight tickets

Finnair

Apr 10

DFW9:45 pmDallas/Fort Worth

19h 40m

1 stop

LIS11:25 pmLisbon Humberto Delgado

Apr 19

LIS4:35 pmLisbon Humberto Delgado

28h 30m

1 stop

DFW3:05 pmDallas/Fort Worth

$547

Finnair

May 11

DFW4:50 pmDallas/Fort Worth

17h 00m

1 stop

LIS3:50 pmLisbon Humberto Delgado

May 18

LIS6:35 amLisbon Humberto Delgado

15h 45m

1 stop

DFW4:20 pmDallas/Fort Worth

$551

Finnair

Mar 7

DFW4:15 pmDallas/Fort Worth

25h 10m

1 stop

LIS11:25 pmLisbon Humberto Delgado

Mar 16

LIS4:10 pmLisbon Humberto Delgado

29h 00m

1 stop

DFW4:10 pmDallas/Fort Worth

$558

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 4/12

7:40 pm-6:10 pm

1 stop16h 30m

Funchal Madeira

Sun 4/26

1:10 pm-1:15 pm

1 stop30h 05m

$535

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 4/12

3:30 pm-9:35 am

2 stops60h 05m

Funchal Madeira

Sun 4/26

6:40 pm-5:48 pm

2 stops29h 08m

$536

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 5/13

11:15 am-11:00 am

2 stops17h 45m

Lisbon Humberto Delgado

Tue 5/19

11:25 am-9:45 pm

1 stop16h 20m

$539

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 5/13

7:00 am-11:00 am

2 stops22h 00m

Lisbon Humberto Delgado

Tue 5/19

11:25 am-4:07 pm

2 stops34h 42m

$545

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 4/10

9:45 pm-11:25 pm

1 stop19h 40m

Lisbon Humberto Delgado

Sun 4/19

4:35 pm-3:05 pm

1 stop28h 30m

$547

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 2/8

7:35 am-8:00 am

1 stop18h 25m

Lisbon Humberto Delgado

Sun 2/15

5:00 am-10:34 pm

2 stops23h 34m

$548

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 5/11

4:50 pm-3:50 pm

1 stop17h 00m

Lisbon Humberto Delgado

Mon 5/18

6:35 am-4:20 pm

1 stop15h 45m

$551

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/20

7:25 am-10:30 am

1 stop21h 05m

Lisbon Humberto Delgado

Sat 4/25

5:05 am-2:15 pm

1 stop15h 10m

$552

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 2/23

10:48 am-9:30 am

2 stops16h 42m

Porto

Wed 3/4

6:00 am-8:50 pm

2 stops20h 50m

$560

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Mon 4/20

10:15 am-5:50 pm

2 stops25h 35m

Lisbon Humberto Delgado

Thu 4/23

9:50 am-10:33 pm

2 stops18h 43m

$584

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 $572, 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 $713 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 $675 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	12h 25m
Direct flights	None

The fastest flight from Dallas to Portugal takes 12h 25m

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
Lufthansa	PriceFrom $465	Free Cancellation	Rating 6.8 7,731 reviews	Search Lufthansa flights
British Airways	PriceFrom $506	Free Cancellation	Rating 6.7 7,689 reviews	Search British Airways flights
American Airlines	PriceFrom $517	Free Cancellation	Rating 7.2 11,159 reviews	Search American Airlines flights
Delta	PriceFrom $521	Free Cancellation	Rating 7.9 8,075 reviews	Search Delta flights
Air France	PriceFrom $530	Free Cancellation	Rating 7.4 1,523 reviews	Search Air France flights
United Airlines	PriceFrom $531	Free Cancellation	Rating 7.4 9,176 reviews	Search United Airlines flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,091 reviews	Search Iberia flights
Finnair	PriceFrom $541	Free Cancellation	Rating 7.6 1,351 reviews	Search Finnair flights
Air Canada	PriceFrom $560	Free Cancellation	Rating 7.1 10,635 reviews	Search Air Canada flights
KLM	PriceFrom $572	Free Cancellation	Rating 7.7 1,441 reviews	Search KLM 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.