HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$217+ 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 17 — Jan 241
Sat 1/17
Sat 1/24
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 18, 2025.

This oojo deal was found by Cheapflights users on 12/18. 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 12/3110:30 amDFW - LIS
1 stop14h 25mBritish Airways
Thu 1/810:40 amLIS - DFW
2 stops39h 40mBritish Airways
Deal found 12/18$592
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:59 pmDFW - LIS
2 stops46h 01mLufthansa
Thu 1/155:00 amLIS - DFW
2 stops22h 34mLufthansa
Deal found 12/17$609
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:59 pmDFW - LIS
2 stops41h 41mLufthansa
Mon 1/122:10 pmLIS - DFW
2 stops34h 11mLufthansa
Deal found 12/17$621
This British Airways deal was found by Cheapflights users on 12/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:15 pmDFW - LIS
1 stop14h 25mBritish Airways
Sun 1/187:05 amLIS - DFW
1 stop18h 05mBritish Airways
Deal found 12/17$638
This Lufthansa deal was found by Cheapflights users on 12/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:15 pmDFW - LIS
1 stop24h 35mLufthansa
Wed 1/147:45 amLIS - DFW
2 stops21h 14mLufthansa
Deal found 12/17$639
This KLM deal was found by Cheapflights users on 12/17. 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 12/3011:10 amDFW - LIS
1 stop14h 50mKLM
Wed 1/1410:00 amLIS - DFW
1 stop17h 43mKLM
Deal found 12/17$651
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:59 pmDFW - LIS
2 stops41h 41mLufthansa
Sun 1/185:00 amLIS - DFW
2 stops23h 59mLufthansa
Deal found 12/17$659
This British Airways deal was found by Cheapflights users on 12/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:15 pmDFW - LIS
1 stop30h 35mBritish Airways
Wed 1/147:05 amLIS - DFW
1 stop18h 05mBritish Airways
Deal found 12/17$670
This oojo deal was found by Cheapflights users on 12/16. 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 12/246:50 pmDFW - LIS
1 stop33h 05mBritish Airways
Tue 12/304:00 pmLIS - DFW
1 stop35h 10mBritish Airways
Deal found 12/16$671
This KAYAK deal was found by Cheapflights users on 12/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:59 pmDFW - LIS
2 stops46h 01mLufthansa
Sat 1/1712:20 pmLIS - DFW
2 stops40h 39mLufthansa
Deal found 12/17$680
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amDAL - LIS
2 stops20h 35mDelta
Sat 12/2711:15 amLIS - DAL
2 stops30h 09mDelta
Deal found 12/16$1,053
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/317:00 amDFW - FNC
2 stops27h 10mMultiple Airlines
Fri 1/95:25 pmFNC - DFW
2 stops46h 11mMultiple Airlines
Deal found 12/16$1,145

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 18, 2025.

Round-trip from

$534
(oojo)

One-way from

$217
(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 ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 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 18, 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

Sun 1/11

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Tue 1/27

3:05 pm-7:10 pm

1 stop34h 05m

$537

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Fri 1/30

12:30 pm-5:50 pm

2 stops23h 20m

Funchal Madeira

Fri 2/6

6:00 pm-8:36 pm

2 stops32h 36m

$557

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sat 1/31

6:35 pm-9:35 am

2 stops33h 00m

Funchal Madeira

Sat 2/7

6:40 pm-9:00 pm

2 stops32h 20m

$557

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/12

12:35 pm-2:15 pm

2 stops19h 40m

Funchal Madeira

Wed 1/28

4:00 pm-7:10 pm

1 stop33h 10m

$568

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 3/13

3:21 pm-7:55 am

1 stop11h 34m

Lisbon Humberto Delgado

Mon 3/23

4:10 pm-4:10 pm

1 stop29h 00m

$582

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 2/23

10:36 am-9:30 am

1 stop16h 54m

Porto

Wed 3/4

6:00 am-10:59 pm

2 stops22h 59m

$585

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 1/25

3:45 pm-4:40 pm

1 stop18h 55m

Porto

Mon 2/9

8:40 pm-5:30 am

1 stop14h 50m

$586

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:05 pm-10:30 am

1 stop12h 25m

Porto

Thu 2/19

5:00 am-4:46 pm

2 stops17h 46m

$587

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 5/8

2:42 pm-9:05 am

1 stop12h 23m

Lisbon Humberto Delgado

Sun 5/24

6:35 am-8:10 pm

1 stop19h 35m

$587

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 12/17

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 18, 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 18, 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
8,007 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

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
1,338 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

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
9,091 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

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
11,054 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

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
7,585 reviews
Delta
7.9
Good
8,007 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

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 $577, British Airways can have you in Portugal from Dallas in 16h 54m. 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 Heathrow flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Charles de Gaulle flights
Hobby to Heathrow flights
Dallas/Fort Worth to Frankfurt flights
Dallas/Fort Worth to Madrid flights
Dallas/Fort Worth to Istanbul flights
George Bush Intcntl to Heathrow flights
Hobby to Istanbul flights
Hobby to Charles de Gaulle flights
Dallas/Fort Worth to Barcelona-El Prat flights
Austin to Heathrow flights
Dallas/Fort Worth to Gatwick flights
George Bush Intcntl to Istanbul flights
Hobby to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to Charles de Gaulle flights
Dallas/Fort Worth to Orly flights
Hobby to Frankfurt flights
Love Field to Heathrow flights
Love Field to Leonardo da Vinci/Fiumicino flights
Hobby to Madrid flights
Hobby to Gatwick flights
Dallas/Fort Worth to Athens flights
Dallas/Fort Worth to Dublin flights
Dallas/Fort Worth to Amsterdam flights
Dallas/Fort Worth to Lisbon flights
Dallas/Fort Worth to London City flights
Hobby to London City flights
Love Field to Charles de Gaulle flights
George Bush Intcntl to Frankfurt flights
Love Field to Frankfurt flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
Hobby to Amsterdam flights
George Bush Intcntl to Gatwick flights
Dallas/Fort Worth to Malpensa flights
George Bush Intcntl to Madrid flights
Dallas/Fort Worth to Sabiha Gokcen flights
Dallas/Fort Worth to Oslo Gardermoen flights
Dallas/Fort Worth to Stansted flights
Austin to Charles de Gaulle flights
Dallas/Fort Worth to Zurich flights
George Bush Intcntl to Amsterdam flights
Hobby to Malpensa flights
Hobby to Athens flights
Hobby to Sabiha Gokcen flights
George Bush Intcntl to London City flights
Dallas/Fort Worth to Edinburgh flights
Hobby to Orly flights
Austin to Gatwick flights
Dallas/Fort Worth to Frederic Chopin 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$523Average$838FlexibilityNo cancel feeOn-time70%
DeltaCheapest$527Average$939FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$530Average$705FlexibilityNo cancel feeOn-time77%
FinnairCheapest$535Average$727FlexibilityNo cancel feeOn-time76%
IberiaCheapest$537Average$775FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$918FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$538Average$834FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$565Average$779FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$726FlexibilityNo 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.
Site
©2025 Cheapflights