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?

American Airlines, Air Canada, 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 October 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.

7:05 am - 6:30 pmDFW-OPO

29h 25m2 stops

6:00 am - 9:32 pmOPO-DFW

21h 32m2 stops

$512Multiple Airlines

Find Deal

jue., dic. 4 - jue., dic. 11

4:15 pm - 2:45 pmDFW-OPO

16h 30m1 stop

6:00 am - 9:32 pmOPO-DFW

21h 32m2 stops

$523Multiple Airlines

Find Deal

mar., dic. 2 - mar., dic. 9

4:05 pm - 10:30 amDFW-OPO

12h 25m1 stop

6:00 am - 12:03 amOPO-DFW

24h 03m2 stops

$537Delta

Find Deal

lun., nov. 24 - sáb., dic. 6

12:20 pm - 9:20 amDFW-LIS

15h 00m1 stop

11:20 am - 9:39 pmLIS-DFW

16h 19m1 stop

$541United Airlines

Find Deal

jue., nov. 27 - sáb., dic. 6

7:09 am - 10:30 amDAL-OPO

21h 21m2 stops

11:15 am - 5:52 pmOPO-DAL

36h 37m2 stops

$541Delta

Find Deal

lun., nov. 24 - jue., dic. 4

5:15 am - 8:10 amDFW-LIS

20h 55m2 stops

5:00 am - 2:25 pmLIS-DFW

15h 25m1 stop

$542United Airlines

Find Deal

mié., nov. 12 - dom., nov. 23

1:55 pm - 4:00 pmDFW-OPO

20h 05m1 stop

8:20 am - 7:36 pmOPO-DFW

17h 16m2 stops

$554American Airlines

Find Deal

jue., nov. 27 - jue., dic. 4

9:15 pm - 2:15 pmDFW-FNC

35h 00m1 stop

4:45 pm - 7:10 pmFNC-DFW

32h 25m1 stop

$563British Airways

Find Deal

dom., ene. 11 - sáb., ene. 17

9:15 pm - 10:25 pmDFW-LIS

19h 10m1 stop

12:55 pm - 7:10 pmLIS-DFW

36h 15m1 stop

$567British Airways

Find Deal

vie., feb. 27 - mié., mar. 4

1:55 pm - 4:00 pmDFW-OPO

20h 05m1 stop

8:20 am - 9:48 pmOPO-DFW

19h 28m2 stops

$604American Airlines

Find Deal

jue., dic. 4 - jue., dic. 11

United Airlines flights from Dallas to Portugal

Our best United Airlines deals on Dallas to Portugal flight tickets

United Airlines

Nov 27

DFW12:20 pmDallas/Fort Worth

15h 00m

1 stop

LIS9:20 amLisbon Humberto Delgado

Dec 6

LIS11:20 amLisbon Humberto Delgado

16h 19m

1 stop

DFW9:39 pmDallas/Fort Worth

$541

Find similar

United Airlines

Nov 12

DFW5:15 amDallas/Fort Worth

20h 55m

2 stops

LIS8:10 amLisbon Humberto Delgado

Nov 23

LIS5:00 amLisbon Humberto Delgado

15h 25m

1 stop

DFW2:25 pmDallas/Fort Worth

$542

Find similar

United Airlines

Feb 20

DFW1:20 pmDallas/Fort Worth

12h 50m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 23

LIS10:15 amLisbon Humberto Delgado

14h 11m

1 stop

DFW6:26 pmDallas/Fort Worth

$546

Find similar

Lufthansa flights from Dallas to Portugal

Our best Lufthansa deals on Dallas to Portugal flight tickets

Lufthansa

Nov 13

DFW12:20 pmDallas/Fort Worth

17h 15m

2 stops

LIS11:35 amLisbon Humberto Delgado

Nov 20

LIS5:00 amLisbon Humberto Delgado

15h 25m

1 stop

DFW2:25 pmDallas/Fort Worth

$552

Find similar

Lufthansa

Nov 3

DFW4:15 pmDallas/Fort Worth

16h 35m

1 stop

LIS2:50 pmLisbon Humberto Delgado

Nov 11

LIS5:00 amLisbon Humberto Delgado

15h 25m

1 stop

DFW2:25 pmDallas/Fort Worth

$584

Find similar

Lufthansa

Nov 28

DFW7:25 pmDallas/Fort Worth

21h 25m

2 stops

LIS10:50 pmLisbon Humberto Delgado

Dec 7

LIS2:10 pmLisbon Humberto Delgado

30h 15m

2 stops

DFW2:25 pmDallas/Fort Worth

$586

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

jue. 12/4

7:05 am-6:30 pm

2 stops29h 25m

Porto

jue. 12/11

6:00 am-9:32 pm

2 stops21h 32m

$512

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 12/2

4:15 pm-2:45 pm

1 stop16h 30m

Porto

mar. 12/9

6:00 am-9:32 pm

2 stops21h 32m

$523

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 11/24

4:05 pm-10:30 am

1 stop12h 25m

Porto

sáb. 12/6

6:00 am-12:03 am

2 stops24h 03m

$537

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jue. 11/27

12:20 pm-9:20 am

1 stop15h 00m

Lisbon Humberto Delgado

sáb. 12/6

11:20 am-9:39 pm

1 stop16h 19m

$541

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

lun. 11/24

7:09 am-10:30 am

2 stops21h 21m

Porto

jue. 12/4

11:15 am-5:52 pm

2 stops36h 37m

$541

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mié. 11/12

5:15 am-8:10 am

2 stops20h 55m

Lisbon Humberto Delgado

dom. 11/23

5:00 am-2:25 pm

1 stop15h 25m

$542

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

jue. 11/27

1:55 pm-4:00 pm

1 stop20h 05m

Porto

jue. 12/4

8:20 am-7:36 pm

2 stops17h 16m

$554

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

dom. 1/11

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

sáb. 1/17

4:45 pm-7:10 pm

1 stop32h 25m

$563

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

vie. 2/27

9:15 pm-10:25 pm

1 stop19h 10m

Lisbon Humberto Delgado

mié. 3/4

12:55 pm-7:10 pm

1 stop36h 15m

$567

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

jue. 12/4

1:55 pm-4:00 pm

1 stop20h 05m

Porto

jue. 12/11

8:20 am-9:48 pm

2 stops19h 28m

$604

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 $620.

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 $739 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 $652 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 October 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 1,333 reviews	Search Finnair flights
Delta	PriceFrom $534	Free Cancellation	Rating 7.9 7,977 reviews	Search Delta flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 2,996 reviews	Search Iberia flights
British Airways	PriceFrom $537	Free Cancellation	Rating 6.7 7,461 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $541	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $543	Free Cancellation	Rating 7.2 11,024 reviews	Search American Airlines flights
Air France	PriceFrom $557	Free Cancellation	Rating 7.4 1,475 reviews	Search Air France flights
United Airlines	PriceFrom $568	Free Cancellation	Rating 7.4 8,988 reviews	Search United Airlines flights
KLM	PriceFrom $572	Free Cancellation	Rating 7.7 1,404 reviews	Search KLM flights
Air Canada	PriceFrom $594	Free Cancellation	Rating 7.1 10,334 reviews	Search Air Canada 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.