What is the cheapest airline that flies from Dallas to Portugal?

United Airlines, Aer Lingus, and Delta are the most popular carriers operating from Dallas to Portugal

What airlines fly to Portugal?

United Airlines, American Airlines and British Airways 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 35% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 12 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

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 August 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.

$224 Cheap Flights from Dallas to Portugal in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:00 pm - 10:25 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

21h 25m1 stop Paris Charles de Gaulle

5:30 am - 5:49 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

18h 19m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$792Air France

Thu, Nov 5 - Tue, Nov 10

7:00 pm - 5:30 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

16h 30m1 stop Paris Charles de Gaulle

12:25 pm - 4:50 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

34h 25m1 stop Paris Charles de Gaulle

$792Delta

Thu, Jan 14 - Wed, Jan 27

4:48 pm - 8:10 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

33h 22m1 stop Newark

11:20 am - 2:45 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

33h 25m1 stop Toronto Pearson Intl

$792United Airlines

Sat, Nov 21 - Tue, Dec 1

5:00 pm - 8:20 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

33h 20m1 stop Newark

1:00 pm - 11:37 amLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

28h 37m1 stop Toronto Pearson Intl

$792United Airlines

Sat, Sep 26 - Fri, Oct 16

12:25 pm - 11:05 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

40h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:05 am - 1:35 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

14h 30m1 stop Frankfurt am Main

$792Multiple Airlines

Sat, Oct 3 - Tue, Oct 13

12:25 pm - 11:05 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

40h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:05 am - 1:35 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

14h 30m1 stop Frankfurt am Main

$792Multiple Airlines

Sat, Sep 26 - Tue, Oct 13

5:55 pm - 10:15 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

22h 20m2 stops Chicago O'Hare Intl Frankfurt am Main

5:05 am - 10:28 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

23h 23m2 stops Frankfurt am Main Chicago O'Hare Intl

$793Lufthansa

Tue, Sep 29 - Tue, Oct 6

8:45 am - 8:00 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

17h 15m1 stop New York John F Kennedy Intl

11:15 am - 9:07 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

15h 52m1 stop New York John F Kennedy Intl

$793Delta

Thu, Jan 14 - Tue, Jan 26

3:45 pm - 11:15 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

13h 30m1 stop Paris Charles de Gaulle

5:35 am - 1:35 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

14h 00m1 stop Paris Charles de Gaulle

$793Air France

Wed, Sep 30 - Wed, Oct 7

5:26 pm - 10:50 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

23h 24m2 stops Chicago O'Hare Intl Frankfurt am Main

3:55 pm - 2:25 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

28h 30m1 stop Frankfurt am Main

$798Lufthansa

Mon, Nov 23 - Mon, Nov 30

Cheap last minute flights

Enter your travel dates to find the best prices.

9:30 pm - 3:40 pmDFW Dallas/Fort Worth-OPO Porto

36h 10m1 stop Istanbul

6:10 am - 7:35 pmOPO Porto-DFW Dallas/Fort Worth

19h 25m1 stop Istanbul

$825Turkish Airlines

Thu, Aug 13 - Thu, Aug 27

9:30 pm - 11:30 pmDFW Dallas/Fort Worth-OPO Porto

20h 00m1 stop Istanbul

4:40 pm - 12:45 pmOPO Porto-DFW Dallas/Fort Worth

26h 05m1 stop Istanbul

$830Turkish Airlines

Thu, Aug 13 - Thu, Aug 27

4:00 pm - 3:35 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

17h 35m1 stop Frankfurt am Main

5:05 am - 2:15 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

15h 10m1 stop Frankfurt am Main

$837Lufthansa

Wed, Aug 12 - Fri, Aug 21

7:30 am - 8:40 amDFW Dallas/Fort Worth-PDL Ponta Delgada Nordela

20h 10m1 stop Newark

11:00 am - 6:32 pmPDL Ponta Delgada Nordela-DFW Dallas/Fort Worth

12h 32m1 stop Newark

$907United Airlines

Wed, Aug 12 - Fri, Aug 21

4:55 pm - 8:40 amDFW Dallas/Fort Worth-PDL Ponta Delgada Nordela

10h 45m1 stop Newark

11:00 am - 6:32 pmPDL Ponta Delgada Nordela-DFW Dallas/Fort Worth

12h 32m1 stop Newark

$907United Airlines

Tue, Aug 11 - Wed, Aug 19

4:00 pm - 3:35 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

17h 35m1 stop Frankfurt am Main

4:25 pm - 2:15 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

27h 50m1 stop Frankfurt am Main

$952Lufthansa

Wed, Aug 12 - Wed, Aug 19

2:35 pm - 9:05 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

12h 30m2 stops Cincinnati Cinci./N. Kentucky Philadelphia

8:25 am - 8:10 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

17h 45m1 stop Madrid Barajas

$973American Airlines

Wed, Aug 12 - Fri, Aug 21

1:24 pm - 2:55 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

19h 31m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 10:31 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

23h 31m2 stops Amsterdam Schiphol Minneapolis St Paul

$979Delta

Wed, Aug 12 - Fri, Aug 21

12:25 pm - 9:20 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

14h 55m1 stop Montreal Pierre Elliott Trudeau Intl

5:05 am - 2:15 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

15h 10m1 stop Frankfurt am Main

$999Multiple Airlines

Thu, Aug 13 - Wed, Aug 19

3:07 pm - 5:50 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

20h 43m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 7:31 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

20h 31m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,032Delta

Sat, Aug 15 - Sat, Aug 22

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KLM flights from Dallas to Portugal

Our best KLM deals on Dallas to Portugal flight tickets

KLM

Jan 16

DAL3:45 pmDallas Love Field

16h 55m

2 stops

LIS2:40 pmLisbon Humberto Delgado

Jan 28

LIS5:00 amLisbon Humberto Delgado

18h 50m

2 stops

DAL5:50 pmDallas Love Field

$792

KLM

Nov 21

DAL6:46 pmDallas Love Field

14h 39m

2 stops

OPO3:25 pmPorto

Nov 30

OPO5:55 amPorto

18h 06m

2 stops

DAL6:01 pmDallas Love Field

$1,234

KLM

Aug 15

DAL10:30 amDallas Love Field

15h 30m

2 stops

LIS8:00 amLisbon Humberto Delgado

Aug 22

LIS5:00 amLisbon Humberto Delgado

18h 14m

2 stops

DAL5:14 pmDallas Love Field

$1,622

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets

Delta

Sep 30

DFW3:45 pmDallas/Fort Worth

17h 10m

1 stop

LIS2:55 pmLisbon Humberto Delgado

Oct 14

LIS5:35 amLisbon Humberto Delgado

14h 00m

1 stop

DFW1:35 pmDallas/Fort Worth

$793

Delta

Sep 30

DFW3:45 pmDallas/Fort Worth

17h 10m

1 stop

LIS2:55 pmLisbon Humberto Delgado

Oct 7

LIS5:00 amLisbon Humberto Delgado

21h 58m

2 stops

DFW8:58 pmDallas/Fort Worth

$795

Delta

Sep 30

DFW11:55 amDallas/Fort Worth

17h 20m

2 stops

LIS11:15 amLisbon Humberto Delgado

Oct 7

LIS5:35 amLisbon Humberto Delgado

14h 00m

1 stop

DFW1:35 pmDallas/Fort Worth

$797

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Thu 11/5

7:00 pm-10:25 pm

1 stop21h 25m

Lisbon Humberto Delgado

Tue 11/10

5:30 am-5:49 pm

2 stops18h 19m

$792

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Thu 1/14

7:00 pm-5:30 pm

1 stop16h 30m

Lisbon Humberto Delgado

Wed 1/27

12:25 pm-4:50 pm

1 stop34h 25m

$792

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Sat 11/21

4:48 pm-8:10 am

1 stop33h 22m

Lisbon Humberto Delgado

Tue 12/1

11:20 am-2:45 pm

1 stop33h 25m

$792

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Sat 9/26

5:00 pm-8:20 am

1 stop33h 20m

Lisbon Humberto Delgado

Fri 10/16

1:00 pm-11:37 am

1 stop28h 37m

$792

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Sat 10/3

12:25 pm-11:05 am

2 stops40h 40m

Lisbon Humberto Delgado

Tue 10/13

5:05 am-1:35 pm

1 stop14h 30m

$792

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Sat 9/26

12:25 pm-11:05 am

2 stops40h 40m

Lisbon Humberto Delgado

Tue 10/13

5:05 am-1:35 pm

1 stop14h 30m

$792

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Tue 9/29

5:55 pm-10:15 pm

2 stops22h 20m

Lisbon Humberto Delgado

Tue 10/6

5:05 am-10:28 pm

2 stops23h 23m

$793

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Thu 1/14

8:45 am-8:00 am

1 stop17h 15m

Lisbon Humberto Delgado

Tue 1/26

11:15 am-9:07 pm

1 stop15h 52m

$793

Quickest round-trip

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Wed 9/30

3:45 pm-11:15 am

1 stop13h 30m

Lisbon Humberto Delgado

Wed 10/7

5:35 am-1:35 pm

1 stop14h 00m

$793

DallasLisbon

DFW Dallas/Fort Worth - LIS Lisbon Humberto Delgado

DFWLIS

Dallas/Fort Worth

Mon 11/23

5:26 pm-10:50 pm

2 stops23h 24m

Lisbon Humberto Delgado

Mon 11/30

3:55 pm-2:25 pm

1 stop28h 30m

$798

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 April. Flight prices, which tend to average around $647, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Portugal from Dallas during February instead. Flights to Portugal in February, while not as cheap as those in April, still average around $667.

How far in advance should I book a flight from Dallas 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 $797 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 $669 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	10h 35m
Direct flights	None

The fastest flight from Dallas to Portugal takes 10h 35m

There are no direct flights from Dallas to Portugal. There are no popular flight routes from Dallas to Portugal.

Search flight deals

Frequently asked questions about flying 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 August 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 $460	Free Cancellation	Rating 6.8 8,176 reviews	Search Lufthansa flights
Iberia	PriceFrom $493	Free Cancellation	Rating 7.0 3,262 reviews	Search Iberia flights
British Airways	PriceFrom $500	Free Cancellation	Rating 6.7 8,155 reviews	Search British Airways flights
American Airlines	PriceFrom $502	Free Cancellation	Rating 7.1 11,900 reviews	Search American Airlines flights
Delta	PriceFrom $517	Free Cancellation	Rating 7.8 8,506 reviews	Search Delta flights
Finnair	PriceFrom $518	Free Cancellation	Rating 7.7 1,428 reviews	Search Finnair flights
Air France	PriceFrom $518	Free Cancellation	Rating 7.5 1,640 reviews	Search Air France flights
United Airlines	PriceFrom $539	Free Cancellation	Rating 7.4 10,101 reviews	Search United Airlines flights
Air Canada	PriceFrom $557	Free Cancellation	Rating 7.1 11,460 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $612	Free Cancellation	Rating 7.4 1,941 reviews	Search Scandinavian Airlines 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.

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

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Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $552

Flights to Portofrom $514

Flights to Funchalfrom $605

Flights to Farofrom $626

Flights to Ponta Delgadafrom $575

Flights to Lajesfrom $605

Flights to Hortafrom $670

Flights to Pico Islandfrom $668

Flights to Porto Santofrom $713

Flights to Velasfrom $690

Cheap flights from Dallas to Portugal from $224

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to Portugal departing on 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Dallas to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

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KLM flights from Dallas to Portugal

Our best KLM deals on Dallas to Portugal flight tickets

Delta flights from Dallas to Portugal

Our best Delta deals on Dallas to Portugal flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Dallas to Portugal that are best for you.

See travel insights to Portugal from

How to get the cheapest flight ticket from Dallas to Portugal

What is the cheapest month to fly to Portugal?

How far in advance should I book a flight from Dallas to Portugal?

What is the cheapest airline that flies from Dallas to Portugal?

What airlines fly to Portugal?

Cheap Dallas to Portugal flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from Dallas to Portugal

Best airlines flying from Dallas to Portugal

Compare and see reviews for airlines that fly from Dallas to Portugal with momondo

Why use momondo?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year