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?

KLM, Brussels Airlines, 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 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.

$227 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 - 4:10 pmDFW-FNC

36h 55m1 stop

12:25 pm - 7:10 pmFNC-DFW

36h 45m1 stop

$534British Airways

Find Deal

Tue, Dec 30 - Mon, Jan 12

7:05 am - 9:20 amDFW-LIS

20h 15m2 stops

5:55 am - 10:29 pmLIS-DFW

22h 34m2 stops

$558Multiple Airlines

Find Deal

Wed, Apr 29 - Wed, May 6

5:30 am - 8:55 amDFW-LIS

21h 25m2 stops

12:20 pm - 2:00 pmLIS-DFW

31h 40m1 stop

$559Delta

Find Deal

Thu, Dec 4 - Mon, Dec 8

4:38 pm - 9:20 amDFW-LIS

34h 42m3 stops

11:20 am - 12:08 amLIS-DFW

18h 48m2 stops

$561Multiple Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 9

7:45 am - 10:15 amDFW-LIS

20h 30m1 stop

11:20 am - 3:41 pmLIS-DFW

34h 21m2 stops

$567United Airlines

Find Deal

Thu, Jan 1 - Mon, Jan 12

11:12 am - 9:00 amDAL-LIS

15h 48m2 stops

5:00 am - 5:55 pmLIS-DAL

17h 55m2 stops

$589Delta

Find Deal

Sat, Mar 7 - Fri, Mar 13

1:55 pm - 11:45 amDFW-OPO

15h 50m1 stop

12:25 pm - 8:10 pmOPO-DFW

13h 45m1 stop

$619Iberia

Find Deal

Tue, Jan 20 - Thu, Apr 9

5:30 pm - 4:00 pmDFW-OPO

16h 30m2 stops

12:25 pm - 8:10 pmOPO-DFW

13h 45m1 stop

$621Iberia

Find Deal

Tue, Jan 20 - Thu, Apr 9

7:05 am - 12:50 pmDFW-TER

48h 45m2 stops

7:05 am - 9:24 pmTER-DFW

19h 19m2 stops

$1,260Air Canada

Find Deal

Thu, Apr 2 - Mon, Apr 6

7:05 am - 12:50 pmDFW-TER

48h 45m2 stops

7:05 am - 9:24 pmTER-DFW

19h 19m2 stops

$1,261Air Canada

Find Deal

Thu, Apr 2 - Mon, Apr 6

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets

Delta

Dec 4

DFW5:30 amDallas/Fort Worth

21h 25m

2 stops

LIS8:55 amLisbon Humberto Delgado

Dec 8

LIS12:20 pmLisbon Humberto Delgado

31h 40m

1 stop

DFW2:00 pmDallas/Fort Worth

$559

Find similar

Delta

Apr 6

DFW3:30 pmDallas/Fort Worth

17h 20m

2 stops

LIS2:50 pmLisbon Humberto Delgado

Apr 13

LIS5:40 amLisbon Humberto Delgado

13h 55m

1 stop

DFW1:35 pmDallas/Fort Worth

$573

Find similar

Delta

Mar 11

DFW9:40 amDallas/Fort Worth

19h 55m

2 stops

LIS10:35 amLisbon Humberto Delgado

Mar 17

LIS5:30 amLisbon Humberto Delgado

21h 53m

2 stops

DFW10:23 pmDallas/Fort Worth

$584

Find similar

Air France flights from Dallas to Portugal

Our best Air France deals on Dallas to Portugal flight tickets

Air France

Dec 9

DFW11:34 amDallas/Fort Worth

15h 26m

2 stops

LIS9:00 amLisbon Humberto Delgado

Dec 18

LIS10:40 amLisbon Humberto Delgado

17h 29m

2 stops

DFW10:09 pmDallas/Fort Worth

$562

Find similar

Air France

Mar 6

DFW7:30 amDallas/Fort Worth

19h 30m

1 stop

LIS9:00 amLisbon Humberto Delgado

Mar 12

LIS5:30 amLisbon Humberto Delgado

14h 30m

1 stop

DFW3:00 pmDallas/Fort Worth

$592

Find similar

Air France

Mar 6

DFW7:30 amDallas/Fort Worth

19h 30m

1 stop

LIS9:00 amLisbon Humberto Delgado

Mar 11

LIS12:20 pmLisbon Humberto Delgado

31h 40m

1 stop

DFW3:00 pmDallas/Fort Worth

$605

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 12/30

9:15 pm-4:10 pm

1 stop36h 55m

Funchal Madeira

Mon 1/12

12:25 pm-7:10 pm

1 stop36h 45m

$534

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 4/29

7:05 am-9:20 am

2 stops20h 15m

Lisbon Humberto Delgado

Wed 5/6

5:55 am-10:29 pm

2 stops22h 34m

$558

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 12/4

5:30 am-8:55 am

2 stops21h 25m

Lisbon Humberto Delgado

Mon 12/8

12:20 pm-2:00 pm

1 stop31h 40m

$559

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 12/3

4:38 pm-9:20 am

3 stops34h 42m

Lisbon Humberto Delgado

Tue 12/9

11:20 am-12:08 am

2 stops18h 48m

$561

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 1/1

7:45 am-10:15 am

1 stop20h 30m

Lisbon Humberto Delgado

Mon 1/12

11:20 am-3:41 pm

2 stops34h 21m

$567

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Sat 3/7

11:12 am-9:00 am

2 stops15h 48m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-5:55 pm

2 stops17h 55m

$589

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 1/20

1:55 pm-11:45 am

1 stop15h 50m

Porto

Thu 4/9

12:25 pm-8:10 pm

1 stop13h 45m

$619

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 1/20

5:30 pm-4:00 pm

2 stops16h 30m

Porto

Thu 4/9

12:25 pm-8:10 pm

1 stop13h 45m

$621

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-9:24 pm

2 stops19h 19m

$1,260

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-9:24 pm

2 stops19h 19m

$1,261

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 $730 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

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 1,334 reviews	Search Finnair flights
Delta	PriceFrom $532	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
British Airways	PriceFrom $536	Free Cancellation	Rating 6.7 7,527 reviews	Search British Airways flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,018 reviews	Search Iberia flights
American Airlines	PriceFrom $539	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $547	Free Cancellation	Rating 7.4 9,013 reviews	Search United Airlines flights
Air France	PriceFrom $551	Free Cancellation	Rating 7.4 1,489 reviews	Search Air France flights
KLM	PriceFrom $572	Free Cancellation	Rating 7.7 1,411 reviews	Search KLM flights
Air Canada	PriceFrom $590	Free Cancellation	Rating 7.1 10,454 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.