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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Dec 6 — Dec 131
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Find 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 November 6, 2025.

This British Airways deal was found by Cheapflights users on 11/5. 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.
Tue 12/309:15 pmDFW - FNC
1 stop31h 55mBritish Airways
Mon 1/1212:25 pmFNC - DFW
1 stop36h 45mBritish Airways
Deal found 11/5$535
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:05 amDFW - LIS
2 stops44h 15mMultiple Airlines
Mon 11/245:00 amLIS - DFW
2 stops19h 29mMultiple Airlines
Deal found 11/3$544
This Delta deal was found by Cheapflights users on 11/3. 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.
Fri 12/54:05 pmDFW - LIS
1 stop17h 05mDelta
Fri 12/1211:25 amLIS - DFW
2 stops19h 01mDelta
Deal found 11/3$545
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Sun 11/238:44 pmDFW - LIS
2 stops31h 31mUnited Airlines
Mon 12/811:55 amLIS - DFW
2 stops37h 53mUnited Airlines
Deal found 11/5$546
This Delta deal was found by Cheapflights users on 11/4. 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 11/137:00 amDFW - LIS
1 stop19h 00mDelta
Thu 11/2710:40 amLIS - DFW
1 stop30h 26mDelta
Deal found 11/4$547
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 11/168:44 pmDFW - LIS
2 stops31h 31mUnited Airlines
Sun 11/235:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 11/3$548
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Wed 11/1212:10 pmDFW - LIS
1 stop16h 05mUnited Airlines
Sat 11/2212:20 pmLIS - DFW
1 stop32h 05mUnited Airlines
Deal found 11/4$551
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:35 pmDFW - LIS
1 stop15h 10mMultiple Airlines
Tue 11/187:05 amLIS - DFW
1 stop15h 10mMultiple Airlines
Deal found 11/5$552
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:05 amDFW - LIS
2 stops44h 15mMultiple Airlines
Sun 12/1412:15 pmLIS - DFW
1 stop32h 10mMultiple Airlines
Deal found 11/4$553
This FlightHub deal was found by Cheapflights users on 11/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:05 amDFW - LIS
2 stops44h 15mAir Canada
Sat 12/1311:20 amLIS - DFW
2 stops40h 12mAir Canada
Deal found 11/4$554
This Delta deal was found by Cheapflights users on 11/4. 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.
Fri 12/57:05 amDFW - LIS
1 stop18h 55mDelta
Sun 12/711:15 amLIS - DFW
1 stop17h 59mDelta
Deal found 11/4$555
This Delta deal was found by Cheapflights users on 11/4. 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.
Mon 12/17:00 amDFW - LIS
1 stop19h 00mDelta
Sun 12/711:15 amLIS - DFW
1 stop17h 59mDelta
Deal found 11/4$556

Cheap flight deals from Dallas to Portugal

Keep the following information in mind while searching for Dallas to Portugal flight deals. Data was last updated November 6, 2025.

Round-trip from

$531
(KLM)

One-way from

$217
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$749
From Dallas to Portugal
One-way flight from Dallas to Portugal
Highest demand for flights based on searches. 11% potential increase in price ($100 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in November 2025

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 November 6, 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

Wed 2/4

9:15 pm-11:20 am

1 stop32h 05m

Funchal Madeira

Thu 2/12

5:10 pm-7:10 pm

1 stop32h 00m

$535

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 11/23

8:44 pm-10:15 am

2 stops31h 31m

Lisbon Humberto Delgado

Mon 12/8

11:55 am-7:48 pm

2 stops37h 53m

$546

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/27

7:30 am-10:30 am

1 stop21h 00m

Lisbon Humberto Delgado

Tue 5/5

5:05 am-10:29 pm

2 stops23h 24m

$552

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 12/4

2:21 pm-10:15 am

2 stops13h 54m

Lisbon Humberto Delgado

Mon 12/8

10:15 am-8:13 pm

2 stops15h 58m

$559

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 11/26

6:13 pm-5:10 pm

2 stops40h 57m

Funchal Madeira

Wed 12/3

10:25 am-12:22 am

2 stops19h 57m

$562

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/6

3:30 pm-2:50 pm

2 stops17h 20m

Lisbon Humberto Delgado

Mon 4/13

5:40 am-1:35 pm

1 stop13h 55m

$573

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 2/24

1:00 pm-11:20 am

2 stops16h 20m

Lisbon Humberto Delgado

Tue 3/24

5:00 am-10:05 pm

2 stops22h 05m

$575

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 3/11

6:53 am-8:10 am

2 stops20h 17m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-9:45 am

2 stops33h 45m

$581

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/17

4:05 pm-10:30 am

1 stop12h 25m

Porto

Tue 3/10

6:05 am-9:01 pm

2 stops19h 56m

$586

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Thu 2/5

9:15 pm-3:55 pm

1 stop36h 40m

Funchal Madeira

Sun 2/15

12:50 pm-7:10 pm

1 stop36h 20m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 results
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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 $734). 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 November 6, 2025.

It’s optimal to fly from Dallas to Portugal in the evening. By choosing this option you can save up to 32% 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 November 6, 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.

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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.

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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.

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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.

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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.

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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.

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.2

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 $559, British Airways can have you in Portugal from Dallas in 14h 38m. Airlines will cover a distance of 4733 mi. This flight may include one or multiple stops.

  • What are the most popular routes 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 $734). 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

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Alternative routes for Dallas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$531Average$721FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$940FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$536Average$834FlexibilityNo cancel feeOn-time70%
IberiaCheapest$537Average$772FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$539Average$841FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$547Average$1,010FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$551Average$705FlexibilityNo cancel feeOn-time77%
KLMCheapest$572Average$728FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$590Average$784FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$608Average$999FlexibilityNo cancel feeOn-time72%

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