HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$226+ Cheap flights from Dallas to Portugal

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dallas to Portugal

Cheapest flights from Dallas to Portugal
Explore the most affordable flight options available from Dallas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This oojo deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:38 pmDFW - LIS
1 stop11h 17mBritish Airways
Thu 1/810:40 amLIS - DFW
2 stops37h 18mBritish Airways
Deal found 12/21$592
This oojo deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:40 pmDFW - LIS
1 stop22h 10mBritish Airways
Tue 12/307:40 pmLIS - DFW
1 stop26h 45mBritish Airways
Deal found 12/23$609
This oojo deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:50 pmDFW - LIS
1 stop21h 05mBritish Airways
Tue 12/307:40 pmLIS - DFW
1 stop26h 45mBritish Airways
Deal found 12/23$659
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/232:37 pmDFW - LIS
2 stops13h 38mUnited Airlines
Tue 1/65:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 12/22$663
This CheapOair deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:41 pmDFW - LIS
1 stop13h 09mBritish Airways
Tue 12/307:40 pmLIS - DFW
1 stop24h 55mBritish Airways
Deal found 12/22$665
This Finnair deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:41 pmDFW - LIS
1 stop13h 09mMultiple Airlines
Tue 12/3011:05 amLIS - DFW
1 stop16h 04mMultiple Airlines
Deal found 12/21$674
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:15 pmDFW - OPO
2 stops38h 30mUnited Airlines
Mon 12/296:00 amOPO - DFW
2 stops34h 56mUnited Airlines
Deal found 12/21$1,055
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:20 amDFW - FNC
2 stops24h 50mMultiple Airlines
Fri 1/95:25 pmFNC - DFW
2 stops45h 48mMultiple Airlines
Deal found 12/21$1,145
This KLM deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amDAL - LIS
2 stops18h 00mKLM
Sat 12/2711:15 amLIS - DAL
2 stops17h 18mKLM
Deal found 12/22$1,148
This KLM deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:09 pmDAL - LIS
2 stops14h 51mKLM
Thu 1/1510:00 amLIS - DAL
2 stops18h 29mKLM
Deal found 12/22$1,346
This American Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:35 pmDFW - FNC
2 stops20h 35mMultiple Airlines
Fri 1/95:25 pmFNC - DFW
2 stops46h 11mMultiple Airlines
Deal found 12/22$1,354
This KLM deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:05 pmDFW - OPO
1 stop12h 25mKLM
Mon 12/2911:25 amOPO - DFW
1 stop32h 35mKLM
Deal found 12/21$1,595

Find flight deals from Dallas to Portugal

Keep the following information in mind while searching for Dallas to Portugal flight deals. Data was last updated December 23, 2025.

Round-trip from

$511
(oojo)

One-way from

$226
(oojo)

Popular in

June

Cheapest in

February

Average price

$780
From Dallas to Portugal
Search Deals
One-way flight from Dallas to Portugal
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas to Portugal that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Dallas to Portugal that are best for you.

Fly from

Dallas

Fly to

Portugal

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/19

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Mon 1/26

12:25 pm-7:10 pm

1 stop36h 45m

$511

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/19

3:45 pm-9:30 am

2 stops59h 45m

Funchal Madeira

Mon 1/26

10:25 am-5:06 pm

2 stops36h 41m

$513

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Thu 2/5

1:30 pm-5:10 pm

2 stops21h 40m

Funchal Madeira

Thu 2/12

10:20 am-12:16 am

2 stops19h 56m

$533

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Fri 2/6

1:30 pm-5:50 pm

2 stops22h 20m

Funchal Madeira

Fri 2/13

6:00 pm-8:56 pm

2 stops32h 56m

$547

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:05 pm-10:30 am

1 stop12h 25m

Porto

Thu 2/19

11:15 am-12:16 am

2 stops19h 01m

$587

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 2/4

12:00 pm-1:15 pm

2 stops19h 15m

Porto

Wed 2/11

6:00 am-9:32 pm

2 stops21h 32m

$588

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 1/21

12:20 pm-12:05 pm

2 stops17h 45m

Porto

Wed 1/28

12:10 pm-9:39 pm

2 stops39h 29m

$588

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 1/19

6:00 am-10:30 am

2 stops22h 30m

Porto

Wed 1/28

5:00 am-5:47 pm

2 stops18h 47m

$592

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Wed 1/21

10:25 am-10:30 am

2 stops18h 05m

Porto

Wed 1/28

5:00 am-9:41 am

2 stops34h 41m

$592

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 3/9

12:12 pm-10:30 am

2 stops17h 18m

Porto

Wed 3/18

5:00 am-5:54 pm

2 stops17h 54m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Dallas to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Dallas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dallas to Portugal

What is the cheapest month to book a flight from Dallas to Portugal?

Currently, December is the cheapest month in which you can book a flight from Dallas to Portugal (average of $414). Flying from Dallas to Portugal in June is currently the most expensive (average of $735). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DFW to PT?

Find hourly flight availability from Dallas to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s optimal to fly from Dallas to Portugal in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Dallas to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Dallas to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dallas to Portugal flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated December 23, 2025.
See what other customers who have flown with Delta, Finnair, and United Airlines from Dallas to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,015 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Finnair
7.6
Good
1,339 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,109 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,607 reviews
Delta
7.9
Good
8,015 reviews

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dallas to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Dallas to Portugal?

    For as low as $588, British Airways can have you in Portugal from Dallas in 19h 15m. Airlines will cover a distance of 4688 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Dallas to Portugal one-way?

    To fly one-way, consider booking your trip with Brussels Airlines, which is currently one of the cheapest options available, starting at $235. American Airlines flights start at $237 while deals on United Airlines start at $238 one-way.

  • What are the most popular routes from Dallas to Portugal?

    While some choose either Dallas Love Field - Lisbon Humberto Delgado or Dallas/Fort Worth - Porto, Dallas/Fort Worth - Lisbon Humberto Delgado is the most popular route from Dallas to Portugal.

  • Can I find deals for flights from Dallas to Portugal that include hotel bookings?

    Yes. In addition to deals on Dallas to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas to Portugal.

  • Can I find deals for business class flights from Dallas to Portugal?

    Yes. Cheapflights offers flight deals from Dallas to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dallas to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Dallas to Portugal (average of $414). Flying from Dallas to Portugal in June is currently the most expensive (average of $735). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dallas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Heathrow flights
Dallas/Fort Worth to Charles de Gaulle flights
Dallas/Fort Worth to Frankfurt flights
Hobby to Heathrow flights
Dallas/Fort Worth to Istanbul flights
Dallas/Fort Worth to Madrid flights
Hobby to Charles de Gaulle flights
George Bush Intcntl to Heathrow flights
Hobby to Istanbul flights
Dallas/Fort Worth to Barcelona-El Prat flights
Austin to Heathrow flights
Hobby to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Gatwick flights
George Bush Intcntl to Charles de Gaulle flights
Dallas/Fort Worth to Athens flights
Dallas/Fort Worth to Orly flights
George Bush Intcntl to Istanbul flights
Hobby to Frankfurt flights
Hobby to Madrid flights
Love Field to Heathrow flights
Dallas/Fort Worth to Lisbon flights
Love Field to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Dublin flights
Dallas/Fort Worth to Amsterdam flights
George Bush Intcntl to Frankfurt flights
Love Field to Charles de Gaulle flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
Hobby to Gatwick flights
Hobby to Amsterdam flights
George Bush Intcntl to Madrid flights
Dallas/Fort Worth to Malpensa flights
Dallas/Fort Worth to Stansted flights
Dallas/Fort Worth to London City flights
Dallas/Fort Worth to Sabiha Gokcen flights
Love Field to Frankfurt flights
Hobby to Athens flights
George Bush Intcntl to Amsterdam flights
Dallas/Fort Worth to Vicenza flights
Dallas/Fort Worth to Oslo Gardermoen flights
Dallas/Fort Worth to Keflavik Intl flights
George Bush Intcntl to Gatwick flights
Hobby to Vicenza flights
Dallas/Fort Worth to Edinburgh flights
Hobby to London City flights
Hobby to Sabiha Gokcen flights
Hobby to Orly flights
Dallas/Fort Worth to Zurich flights
Dallas/Fort Worth to Frederic Chopin flights
Hobby to Malpensa flights

Top 10 airlines flying from Dallas to Portugal

Discover the top 10 airlines that operate flights from Dallas to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$520Average$852FlexibilityNo cancel feeOn-time70%
DeltaCheapest$527Average$937FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$530Average$705FlexibilityNo cancel feeOn-time77%
FinnairCheapest$536Average$729FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$536Average$835FlexibilityNo cancel feeOn-time71%
IberiaCheapest$537Average$794FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$919FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$558Average$778FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$725FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$608Average$954FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.