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

Delta, SWISS, and KLM 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 34% 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.

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 September 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.

$321 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.

1:50 pm - 4:00 pmDFW Dallas/Fort Worth-OPO Porto

20h 10m1 stop Madrid Barajas

8:20 am - 12:44 amOPO Porto-DFW Dallas/Fort Worth

22h 24m2 stops Madrid Barajas Miami

$715Iberia

Tue, Nov 10 - Tue, Nov 24

12:25 pm - 6:50 amDFW Dallas/Fort Worth-OPO Porto

12h 25m1 stop Montreal Pierre Elliott Trudeau Intl

12:35 pm - 2:25 pmOPO Porto-DFW Dallas/Fort Worth

31h 50m1 stop Frankfurt am Main

$715Multiple Airlines

Mon, Oct 19 - Tue, Nov 3

1:50 pm - 4:00 pmDFW Dallas/Fort Worth-OPO Porto

20h 10m1 stop Madrid Barajas

8:40 pm - 5:00 pmOPO Porto-DFW Dallas/Fort Worth

26h 20m1 stop Madrid Barajas

$716Iberia

Tue, Nov 10 - Tue, Nov 24

12:25 pm - 6:50 amDFW Dallas/Fort Worth-OPO Porto

12h 25m1 stop Montreal Pierre Elliott Trudeau Intl

12:35 pm - 2:25 pmOPO Porto-DFW Dallas/Fort Worth

31h 50m1 stop Frankfurt am Main

$716Multiple Airlines

Mon, Oct 19 - Tue, Nov 3

7:00 am - 9:30 amDFW Dallas/Fort Worth-OPO Porto

20h 30m2 stops Chicago O'Hare Intl Newark

6:00 am - 2:45 pmOPO Porto-DFW Dallas/Fort Worth

38h 45m2 stops Frankfurt am Main Toronto Pearson Intl

$725United Airlines

Tue, Dec 1 - Tue, Dec 8

7:05 am - 9:30 amDFW Dallas/Fort Worth-OPO Porto

20h 25m1 stop Newark

6:00 am - 10:20 pmOPO Porto-DFW Dallas/Fort Worth

46h 20m2 stops Frankfurt am Main Toronto Pearson Intl

$725United Airlines

Tue, Dec 1 - Tue, Dec 8

12:11 pm - 10:35 amDAL Dallas Love Field-OPO Porto

16h 24m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:55 am - 6:06 pmOPO Porto-DAL Dallas Love Field

18h 11m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$740Air France

Mon, Nov 9 - Fri, Nov 20

7:40 pm - 6:05 pmDFW Dallas/Fort Worth-FNC Funchal Madeira

16h 25m1 stop London Heathrow

4:25 pm - 7:10 pmFNC Funchal Madeira-DFW Dallas/Fort Worth

32h 45m1 stop London Gatwick

$782British Airways

Sun, Oct 18 - Tue, Nov 3

7:40 pm - 6:05 pmDFW Dallas/Fort Worth-FNC Funchal Madeira

16h 25m1 stop London Heathrow

4:25 pm - 6:41 pmFNC Funchal Madeira-DFW Dallas/Fort Worth

32h 16m2 stops London Gatwick Chicago O'Hare Intl

$788British Airways

Sun, Oct 18 - Tue, Nov 3

3:59 pm - 3:25 pmDAL Dallas Love Field-OPO Porto

17h 26m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

5:55 am - 6:05 pmOPO Porto-DAL Dallas Love Field

18h 10m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$861Air France

Mon, Oct 19 - Tue, Nov 3

Cheap last minute flights

Enter your travel dates to find the best prices.

9:30 pm - 11:45 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

20h 15m1 stop Istanbul

10:50 am - 12:45 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

31h 55m1 stop Istanbul

$929Turkish Airlines

Wed, Sep 9 - Sun, Oct 11

9:30 pm - 11:45 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

20h 15m1 stop Istanbul

10:55 am - 7:35 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

38h 40m1 stop Istanbul

$943Turkish Airlines

Wed, Sep 9 - Tue, Sep 22

11:55 am - 10:45 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

16h 50m1 stop Boston Logan Intl

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

14h 00m1 stop Paris Charles de Gaulle

$1,021Delta

Wed, Sep 9 - Wed, Sep 16

11:55 am - 10:45 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

16h 50m1 stop Boston Logan Intl

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

14h 00m1 stop Paris Charles de Gaulle

$1,021Delta

Wed, Sep 9 - Fri, Sep 18

3:45 pm - 5:50 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

20h 05m1 stop Paris Charles de Gaulle

11:55 am - 11:57 pmLIS Lisbon Humberto Delgado-DFW Dallas/Fort Worth

18h 02m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,024Multiple Airlines

Fri, Sep 11 - Fri, Sep 18

3:45 pm - 2:55 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

17h 10m1 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

$1,025Air France

Fri, Sep 11 - Fri, Sep 18

2:20 pm - 10:35 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

14h 15m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl

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

14h 30m1 stop Frankfurt am Main

$1,030Multiple Airlines

Sat, Sep 12 - Sat, Sep 19

12:36 pm - 10:30 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

15h 54m1 stop Washington, D.C. Dulles Intl

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

14h 30m1 stop Frankfurt am Main

$1,041United Airlines

Wed, Sep 9 - Sat, Sep 19

7:30 am - 8:20 amDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

18h 50m1 stop Newark

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

15h 10m1 stop Frankfurt am Main

$1,041United Airlines

Sun, Sep 13 - Wed, Sep 16

3:45 pm - 5:50 pmDFW Dallas/Fort Worth-LIS Lisbon Humberto Delgado

20h 05m1 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

$1,052Air France

Sat, Sep 12 - Sat, Sep 26

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Virgin Atlantic flights from Dallas to Portugal

Our best Virgin Atlantic deals on Dallas to Portugal flight tickets

Virgin Atlantic

Oct 19

DAL10:11 amDallas Love Field

15h 49m

2 stops

LIS8:00 amLisbon Humberto Delgado

Nov 4

LIS10:00 amLisbon Humberto Delgado

17h 58m

2 stops

DAL9:58 pmDallas Love Field

$802

Virgin Atlantic

Nov 6

DAL3:59 pmDallas Love Field

35h 01m

2 stops

LIS9:00 amLisbon Humberto Delgado

Nov 17

LIS10:00 amLisbon Humberto Delgado

18h 40m

2 stops

DAL10:40 pmDallas Love Field

$851

Air France flights from Dallas to Portugal

Our best Air France deals on Dallas to Portugal flight tickets

Air France

Oct 19

DFW3:45 pmDallas/Fort Worth

17h 40m

1 stop

OPO3:25 pmPorto

Nov 3

OPO5:55 amPorto

21h 07m

2 stops

DFW9:02 pmDallas/Fort Worth

$738

Air France

Nov 9

DAL12:11 pmDallas Love Field

16h 24m

2 stops

OPO10:35 amPorto

Nov 20

OPO5:55 amPorto

18h 11m

2 stops

DAL6:06 pmDallas Love Field

$740

Air France

Dec 1

DAL11:00 amDallas Love Field

15h 00m

2 stops

LIS8:00 amLisbon Humberto Delgado

Dec 9

LIS11:15 amLisbon Humberto Delgado

17h 28m

2 stops

DAL10:43 pmDallas Love Field

$814

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 11/10

1:50 pm-4:00 pm

1 stop20h 10m

Porto

Tue 11/24

8:20 am-12:44 am

2 stops22h 24m

$715

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Mon 10/19

12:25 pm-6:50 am

1 stop12h 25m

Porto

Tue 11/3

12:35 pm-2:25 pm

1 stop31h 50m

$715

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 11/10

1:50 pm-4:00 pm

1 stop20h 10m

Porto

Tue 11/24

8:40 pm-5:00 pm

1 stop26h 20m

$716

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Mon 10/19

12:25 pm-6:50 am

1 stop12h 25m

Porto

Tue 11/3

12:35 pm-2:25 pm

1 stop31h 50m

$716

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 12/1

7:00 am-9:30 am

2 stops20h 30m

Porto

Tue 12/8

6:00 am-2:45 pm

2 stops38h 45m

$725

DallasPorto

DFW Dallas/Fort Worth - OPO Porto

DFWOPO

Dallas/Fort Worth

Tue 12/1

7:05 am-9:30 am

1 stop20h 25m

Porto

Tue 12/8

6:00 am-10:20 pm

2 stops46h 20m

$725

Quickest round-trip

DallasPorto

DAL Dallas Love Field - OPO Porto

DALOPO

Dallas Love Field

Mon 11/9

12:11 pm-10:35 am

2 stops16h 24m

Porto

Fri 11/20

5:55 am-6:06 pm

2 stops18h 11m

$740

DallasFunchal

DFW Dallas/Fort Worth - FNC Funchal Madeira

DFWFNC

Dallas/Fort Worth

Sun 10/18

7:40 pm-6:05 pm

1 stop16h 25m

Funchal Madeira

Tue 11/3

4:25 pm-7:10 pm

1 stop32h 45m

$782

DallasFunchal

DFW Dallas/Fort Worth - FNC Funchal Madeira

DFWFNC

Dallas/Fort Worth

Sun 10/18

7:40 pm-6:05 pm

1 stop16h 25m

Funchal Madeira

Tue 11/3

4:25 pm-6:41 pm

2 stops32h 16m

$788

DallasPorto

DAL Dallas Love Field - OPO Porto

DALOPO

Dallas Love Field

Mon 10/19

3:59 pm-3:25 pm

2 stops17h 26m

Porto

Tue 11/3

5:55 am-6:05 pm

2 stops18h 10m

$861

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 $660, 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 $662.

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 $816 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

Best Price Found	$321
Fastest flight time	10h 45m
Direct flights	None

The best one-way flight to Portugal from Dallas in the past 72 hours is $321. The best round-trip flight deal from Dallas to Portugal found on momondo in the last 72 hours is $715.

The fastest flight from Dallas to Portugal takes 10h 45m

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 September 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 $457	Free Cancellation	Rating 6.8 8,224 reviews	Search Lufthansa flights
Iberia	PriceFrom $493	Free Cancellation	Rating 7.0 3,248 reviews	Search Iberia flights
British Airways	PriceFrom $500	Free Cancellation	Rating 6.7 8,210 reviews	Search British Airways flights
American Airlines	PriceFrom $502	Free Cancellation	Rating 7.1 12,042 reviews	Search American Airlines flights
Air France	PriceFrom $516	Free Cancellation	Rating 7.5 1,647 reviews	Search Air France flights
Delta	PriceFrom $517	Free Cancellation	Rating 7.8 8,554 reviews	Search Delta flights
Finnair	PriceFrom $518	Free Cancellation	Rating 7.6 1,432 reviews	Search Finnair flights
United Airlines	PriceFrom $556	Free Cancellation	Rating 7.4 10,173 reviews	Search United Airlines flights
Air Canada	PriceFrom $557	Free Cancellation	Rating 7.1 11,595 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $612	Free Cancellation	Rating 7.4 1,981 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

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Popular cities

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Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $396

Flights to Portofrom $526

Flights to Funchalfrom $589

Flights to Farofrom $574

Flights to Ponta Delgadafrom $554

Flights to Lajesfrom $577

Flights to Hortafrom $586

Flights to Pico Islandfrom $588

Flights to Porto Santofrom $942

Flights to Velasfrom $583

Cheap flights from Dallas to Portugal from $321

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 2/10. 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

Filter for what you want

Trusted and free

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Virgin Atlantic flights from Dallas to Portugal

Our best Virgin Atlantic deals on Dallas to Portugal flight tickets

Air France flights from Dallas to Portugal

Our best Air France 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

Best Price Found

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