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?

British Airways, 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 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.

$215 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.

11:24 am - 11:20 amDFW-LIS

17h 56m2 stops

5:00 am - 7:04 pmLIS-DFW

20h 04m2 stops

$567Delta

Find Deal

Thu, Feb 26 - Fri, Mar 6

12:20 pm - 9:20 amDFW-LIS

15h 00m1 stop

3:25 pm - 10:59 pmLIS-DFW

37h 34m2 stops

$568Multiple Airlines

Find Deal

Tue, Jan 6 - Mon, Feb 2

5:55 pm - 3:25 pmDFW-LIS

16h 30m1 stop

4:10 pm - 4:10 pmLIS-DFW

29h 00m1 stop

$569Finnair

Find Deal

Thu, Mar 12 - Thu, Mar 19

7:25 am - 8:10 amDFW-LIS

18h 45m2 stops

11:20 am - 3:41 pmLIS-DFW

34h 21m2 stops

$572United Airlines

Find Deal

Tue, Jan 6 - Tue, Jan 13

12:20 pm - 9:20 amDFW-LIS

39h 00m2 stops

5:00 am - 8:32 pmLIS-DFW

45h 32m2 stops

$573Air Canada

Find Deal

Tue, Mar 3 - Sun, Mar 8

9:15 pm - 9:55 amDFW-LIS

30h 40m1 stop

7:05 am - 7:10 pmLIS-DFW

18h 05m1 stop

$574British Airways

Find Deal

Fri, Feb 27 - Tue, Mar 3

7:17 pm - 9:20 amDFW-LIS

32h 03m2 stops

10:15 am - 6:28 pmLIS-DFW

14h 13m1 stop

$576United Airlines

Find Deal

Wed, Jan 7 - Mon, Jan 12

6:49 pm - 6:55 pmDFW-LIS

19h 06m2 stops

6:40 pm - 5:49 pmLIS-DFW

28h 09m2 stops

$579British Airways

Find Deal

Mon, Mar 16 - Sun, Mar 22

6:49 pm - 9:45 pmDFW-LIS

21h 56m2 stops

6:40 pm - 5:49 pmLIS-DFW

28h 09m2 stops

$580British Airways

Find Deal

Tue, Mar 17 - Sun, Mar 22

5:30 pm - 8:00 pmDFW-OPO

20h 30m1 stop

4:40 pm - 5:30 amOPO-DFW

18h 50m1 stop

$593Iberia

Find Deal

Sun, Jan 11 - Mon, Jan 26

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets

Delta

Feb 26

DFW11:24 amDallas/Fort Worth

17h 56m

2 stops

LIS11:20 amLisbon Humberto Delgado

Mar 6

LIS5:00 amLisbon Humberto Delgado

20h 04m

2 stops

DFW7:04 pmDallas/Fort Worth

$567

Find similar

Delta

Apr 3

DAL12:12 pmDallas Love Field

20h 38m

2 stops

LIS2:50 pmLisbon Humberto Delgado

Apr 7

LIS5:00 amLisbon Humberto Delgado

18h 54m

2 stops

DAL5:54 pmDallas Love Field

$589

Find similar

Delta

Feb 28

DFW7:15 amDallas/Fort Worth

18h 45m

1 stop

LIS8:00 amLisbon Humberto Delgado

Mar 9

LIS11:15 amLisbon Humberto Delgado

16h 08m

1 stop

DFW10:23 pmDallas/Fort Worth

$623

Find similar

Finnair flights from Dallas to Portugal

Our best Finnair deals on Dallas to Portugal flight tickets

Finnair

Mar 12

DFW5:55 pmDallas/Fort Worth

16h 30m

1 stop

LIS3:25 pmLisbon Humberto Delgado

Mar 19

LIS4:10 pmLisbon Humberto Delgado

29h 00m

1 stop

DFW4:10 pmDallas/Fort Worth

$569

Find similar

Finnair

Mar 14

DFW5:55 pmDallas/Fort Worth

16h 30m

1 stop

LIS3:25 pmLisbon Humberto Delgado

Mar 20

LIS4:10 pmLisbon Humberto Delgado

29h 00m

1 stop

DFW4:10 pmDallas/Fort Worth

$622

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 2/26

11:24 am-11:20 am

2 stops17h 56m

Lisbon Humberto Delgado

Fri 3/6

5:00 am-7:04 pm

2 stops20h 04m

$567

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 1/6

12:20 pm-9:20 am

1 stop15h 00m

Lisbon Humberto Delgado

Mon 2/2

3:25 pm-10:59 pm

2 stops37h 34m

$568

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 3/12

5:55 pm-3:25 pm

1 stop16h 30m

Lisbon Humberto Delgado

Thu 3/19

4:10 pm-4:10 pm

1 stop29h 00m

$569

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 1/6

7:25 am-8:10 am

2 stops18h 45m

Lisbon Humberto Delgado

Tue 1/13

11:20 am-3:41 pm

2 stops34h 21m

$572

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 3/3

12:20 pm-9:20 am

2 stops39h 00m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-8:32 pm

2 stops45h 32m

$573

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 2/27

9:15 pm-9:55 am

1 stop30h 40m

Lisbon Humberto Delgado

Tue 3/3

7:05 am-7:10 pm

1 stop18h 05m

$574

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 1/7

7:17 pm-9:20 am

2 stops32h 03m

Lisbon Humberto Delgado

Mon 1/12

10:15 am-6:28 pm

1 stop14h 13m

$576

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 3/16

6:49 pm-6:55 pm

2 stops19h 06m

Lisbon Humberto Delgado

Sun 3/22

6:40 pm-5:49 pm

2 stops28h 09m

$579

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 3/17

6:49 pm-9:45 pm

2 stops21h 56m

Lisbon Humberto Delgado

Sun 3/22

6:40 pm-5:49 pm

2 stops28h 09m

$580

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/11

5:30 pm-8:00 pm

1 stop20h 30m

Porto

Mon 1/26

4:40 pm-5:30 am

1 stop18h 50m

$593

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 7,997 reviews	Search Delta flights
British Airways	PriceFrom $536	Free Cancellation	Rating 6.7 7,535 reviews	Search British Airways flights
Iberia	PriceFrom $537	Free Cancellation	Rating 7.0 3,032 reviews	Search Iberia flights
American Airlines	PriceFrom $539	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
United Airlines	PriceFrom $547	Free Cancellation	Rating 7.4 9,036 reviews	Search United Airlines flights
Air France	PriceFrom $551	Free Cancellation	Rating 7.4 1,494 reviews	Search Air France flights
KLM	PriceFrom $572	Free Cancellation	Rating 7.7 1,419 reviews	Search KLM flights
Air Canada	PriceFrom $590	Free Cancellation	Rating 7.1 10,466 reviews	Search Air Canada 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.