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?

Air Canada, KLM, and United 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 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.

$237 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.

9:15 pm - 1:30 pm

DFW

FNC

58h 15m2 stops

11:10 am - 9:23 pm

FNC

DFW

40h 13m2 stops

$532Iberia

Sun, Feb 22 - Sun, Mar 1

3:40 pm - 3:25 pm

DFW

OPO

17h 45m1 stop

5:55 am - 1:35 pm

OPO

DFW

13h 40m1 stop

$550KLM

Mon, Mar 30 - Thu, Apr 16

8:50 pm - 6:05 pm

DFW

LIS

15h 15m1 stop

10:15 pm - 1:10 pm

LIS

DFW

20h 55m1 stop

$552American Airlines

Fri, Apr 17 - Sun, Apr 19

8:58 pm - 7:55 am

DFW

LIS

28h 57m3 stops

11:20 am - 10:56 pm

LIS

DFW

40h 36m2 stops

$553United Airlines

Wed, Mar 4 - Wed, Mar 11

3:40 pm - 3:25 pm

DFW

OPO

17h 45m1 stop

5:00 am - 5:46 pm

OPO

DFW

18h 46m2 stops

$553KLM

Tue, May 5 - Tue, May 12

12:21 pm - 9:55 pm

DFW

LIS

28h 34m2 stops

5:10 pm - 5:05 pm

LIS

DFW

29h 55m1 stop

$554British Airways

Thu, Mar 19 - Sun, Mar 29

6:15 pm - 10:25 pm

DFW

LIS

22h 10m2 stops

3:55 pm - 7:10 pm

LIS

DFW

33h 15m1 stop

$555British Airways

Fri, Jan 30 - Sat, Feb 7

1:00 pm - 10:30 am

DFW

OPO

16h 30m2 stops

5:55 am - 1:35 pm

OPO

DFW

13h 40m1 stop

$555Multiple Airlines

Wed, Mar 18 - Thu, Apr 9

4:00 pm - 10:30 am

DFW

OPO

12h 30m1 stop

5:00 am - 11:00 pm

OPO

DFW

24h 00m2 stops

$558Delta

Tue, Feb 10 - Thu, Feb 19

1:00 pm - 3:25 pm

DFW

OPO

20h 25m2 stops

11:45 am - 8:47 am

OPO

DFW

27h 02m2 stops

$562Delta

Wed, Apr 8 - Wed, Apr 15

American Airlines flights from Dallas to Portugal

Our best American Airlines deals on Dallas to Portugal flight tickets

American Airlines

Apr 17

DFW8:50 pmDallas/Fort Worth

15h 15m

1 stop

LIS6:05 pmLisbon Humberto Delgado

Apr 19

LIS10:15 pmLisbon Humberto Delgado

20h 55m

1 stop

DFW1:10 pmDallas/Fort Worth

$552

American Airlines

Jan 13

DFW8:35 pmDallas/Fort Worth

15h 05m

1 stop

LIS5:40 pmLisbon Humberto Delgado

Jan 18

LIS7:05 amLisbon Humberto Delgado

19h 55m

1 stop

DFW9:00 pmDallas/Fort Worth

$558

American Airlines

Jan 11

DFW8:35 pmDallas/Fort Worth

15h 10m

1 stop

LIS5:45 pmLisbon Humberto Delgado

Jan 18

LIS7:05 amLisbon Humberto Delgado

19h 55m

1 stop

DFW9:00 pmDallas/Fort Worth

$559

British Airways flights from Dallas to Portugal

Our best British Airways deals on Dallas to Portugal flight tickets

British Airways

Mar 19

DFW12:21 pmDallas/Fort Worth

28h 34m

2 stops

LIS9:55 pmLisbon Humberto Delgado

Mar 29

LIS5:10 pmLisbon Humberto Delgado

29h 55m

1 stop

DFW5:05 pmDallas/Fort Worth

$554

British Airways

Jan 30

DFW6:15 pmDallas/Fort Worth

22h 10m

2 stops

LIS10:25 pmLisbon Humberto Delgado

Feb 7

LIS3:55 pmLisbon Humberto Delgado

33h 15m

1 stop

DFW7:10 pmDallas/Fort Worth

$555

British Airways

Mar 7

DFW8:30 pmDallas/Fort Worth

31h 20m

1 stop

LIS9:50 amLisbon Humberto Delgado

Mar 14

LIS6:40 pmLisbon Humberto Delgado

24h 00m

1 stop

DFW1:40 pmDallas/Fort Worth

$556

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 2/22

9:15 pm-1:30 pm

2 stops58h 15m

Funchal Madeira

Sun 3/1

11:10 am-9:23 pm

2 stops40h 13m

$532

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/30

3:40 pm-3:25 pm

1 stop17h 45m

Porto

Thu 4/16

5:55 am-1:35 pm

1 stop13h 40m

$550

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 4/17

8:50 pm-6:05 pm

1 stop15h 15m

Lisbon Humberto Delgado

Sun 4/19

10:15 pm-1:10 pm

1 stop20h 55m

$552

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 3/4

8:58 pm-7:55 am

3 stops28h 57m

Lisbon Humberto Delgado

Wed 3/11

11:20 am-10:56 pm

2 stops40h 36m

$553

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 5/5

3:40 pm-3:25 pm

1 stop17h 45m

Porto

Tue 5/12

5:00 am-5:46 pm

2 stops18h 46m

$553

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 3/19

12:21 pm-9:55 pm

2 stops28h 34m

Lisbon Humberto Delgado

Sun 3/29

5:10 pm-5:05 pm

1 stop29h 55m

$554

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 1/30

6:15 pm-10:25 pm

2 stops22h 10m

Lisbon Humberto Delgado

Sat 2/7

3:55 pm-7:10 pm

1 stop33h 15m

$555

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/18

1:00 pm-10:30 am

2 stops16h 30m

Porto

Thu 4/9

5:55 am-1:35 pm

1 stop13h 40m

$555

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:00 pm-10:30 am

1 stop12h 30m

Porto

Thu 2/19

5:00 am-11:00 pm

2 stops24h 00m

$558

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 4/8

1:00 pm-3:25 pm

2 stops20h 25m

Porto

Wed 4/15

11:45 am-8:47 am

2 stops27h 02m

$562

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 $715 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	12h 30m
Direct flights	None

The fastest flight from Dallas to Portugal takes 12h 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 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 7,659 reviews	Search British Airways flights
Delta	PriceFrom $522	Free Cancellation	Rating 7.9 8,031 reviews	Search Delta flights
Air France	PriceFrom $530	Free Cancellation	Rating 7.4 1,519 reviews	Search Air France flights
American Airlines	PriceFrom $535	Free Cancellation	Rating 7.2 11,099 reviews	Search American Airlines flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,080 reviews	Search Iberia flights
United Airlines	PriceFrom $538	Free Cancellation	Rating 7.4 9,142 reviews	Search United Airlines flights
Finnair	PriceFrom $541	Free Cancellation	Rating 7.6 1,346 reviews	Search Finnair flights
Air Canada	PriceFrom $559	Free Cancellation	Rating 7.1 10,605 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.