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Portugal

$227+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
déc. 20 — déc. 271
sam. 12/20
sam. 12/27
1 adult, Economy
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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 novembre 20, 2025.

This American Airlines deal was found by Cheapflights users on 11/20. 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.
jeu. 12/112:57 pmDFW - LIS
2 stops12h 08mAmerican Airlines
jeu. 12/188:55 amLIS - DFW
2 stops16h 00mAmerican Airlines
Deal found 11/20$560
This British Airways deal was found by Cheapflights users on 11/19. 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.
ven. 12/261:41 pmDFW - LIS
1 stop13h 09mBritish Airways
mar. 12/3011:05 amLIS - DFW
1 stop18h 54mBritish Airways
Deal found 11/19$561
This United Airlines deal was found by Cheapflights users on 11/20. 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.
lun. 12/18:44 pmDFW - LIS
3 stops30h 36mUnited Airlines
dim. 12/710:50 amLIS - DFW
2 stops27h 56mUnited Airlines
Deal found 11/20$562
This United Airlines deal was found by Cheapflights users on 11/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/255:15 amDFW - LIS
2 stops23h 00mUnited Airlines
mar. 12/3011:55 amLIS - DFW
1 stop14h 32mUnited Airlines
Deal found 11/18$565
This Ovago deal was found by Cheapflights users on 11/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/155:10 pmDFW - LIS
1 stop18h 55mMultiple Airlines
jeu. 12/258:55 amLIS - DFW
1 stop16h 17mMultiple Airlines
Deal found 11/17$568
This KLM deal was found by Cheapflights users on 11/19. 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.
mer. 11/198:45 amDFW - LIS
1 stop17h 55mKLM
ven. 11/285:00 amLIS - DFW
2 stops18h 18mKLM
Deal found 11/19$571
This Cheapflightsfares deal was found by Cheapflights users on 11/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/285:36 pmDFW - LIS
1 stop15h 14mMultiple Airlines
dim. 12/77:45 amLIS - DFW
1 stop14h 45mMultiple Airlines
Deal found 11/17$574
This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/2012:20 pmDFW - LIS
2 stops39h 00mAir Canada
ven. 11/285:00 amLIS - DFW
2 stops22h 32mAir Canada
Deal found 11/19$580
This Ovago deal was found by Cheapflights users on 11/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/145:35 pmDFW - LIS
1 stop15h 15mBritish Airways
jeu. 12/258:55 amLIS - DFW
1 stop16h 17mBritish Airways
Deal found 11/17$585
This KLM deal was found by Cheapflights users on 11/19. 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.
jeu. 11/208:45 amDFW - LIS
1 stop18h 10mKLM
ven. 11/285:00 amLIS - DFW
2 stops18h 18mKLM
Deal found 11/19$586
This KLM deal was found by Cheapflights users on 11/20. 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.
ven. 12/512:33 pmDAL - LIS
2 stops13h 27mMultiple Airlines
mer. 12/105:30 amLIS - DAL
2 stops18h 22mMultiple Airlines
Deal found 11/20$587
This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/2012:20 pmDFW - LIS
1 stop15h 00mAir Canada
jeu. 11/2710:55 amLIS - DFW
2 stops40h 37mAir Canada
Deal found 11/19$588

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 novembre 20, 2025.

Round-trip from

$533
(British Airways)

One-way from

$227
(KLM)

Popular in

June

Cheapest in

February

Average price

$645
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 ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 novembre 20, 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

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

lun. 12/1

8:44 pm-9:20 am

3 stops30h 36m

Lisbon Humberto Delgado

dim. 12/7

10:50 am-8:46 am

2 stops27h 56m

$562

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

mar. 2/17

10:45 am-8:00 am

2 stops15h 15m

Lisbon Humberto Delgado

mar. 3/3

11:15 am-10:33 pm

2 stops17h 18m

$562

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

jeu. 1/8

10:32 am-8:00 am

2 stops15h 28m

Lisbon Humberto Delgado

sam. 1/31

5:30 am-5:47 pm

2 stops18h 17m

$577

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

sam. 4/4

10:20 am-11:15 am

2 stops18h 55m

Lisbon Humberto Delgado

jeu. 4/16

5:40 am-10:31 pm

2 stops22h 51m

$583

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

ven. 4/3

6:00 am-5:50 pm

2 stops29h 50m

Lisbon Humberto Delgado

jeu. 4/16

5:40 am-11:18 am

2 stops35h 38m

$583

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

ven. 4/10

6:00 am-10:45 am

2 stops22h 45m

Lisbon Humberto Delgado

jeu. 4/16

5:40 am-10:31 pm

2 stops22h 51m

$584

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

ven. 12/5

12:33 pm-8:00 am

2 stops13h 27m

Lisbon Humberto Delgado

mer. 12/10

5:30 am-5:52 pm

2 stops18h 22m

$587

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

lun. 3/30

10:20 am-10:45 am

2 stops18h 25m

Lisbon Humberto Delgado

lun. 4/13

12:45 pm-9:36 am

2 stops26h 51m

$587

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

mer. 2/4

12:01 pm-8:00 am

2 stops13h 59m

Lisbon Humberto Delgado

dim. 2/8

10:00 am-10:29 pm

2 stops18h 29m

$590

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

lun. 2/2

11:57 am-8:00 am

2 stops14h 03m

Lisbon Humberto Delgado

dim. 2/8

10:00 am-10:29 pm

2 stops18h 29m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 $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 novembre 20, 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 novembre 20, 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
8,002 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

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
1,334 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

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
9,028 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

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
11,047 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

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
7,533 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

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 $562, United Airlines can have you in Portugal from Dallas in 15h 15m. Airlines will cover a distance of 4733 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 KLM, which is currently one of the cheapest options available, starting at $227. United Airlines flights start at $238 while deals on Air Canada start at $250 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

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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.
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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 novembre 20, 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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