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Portugal

$216+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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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 January 22, 2026.

This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:12 pm
DFW
-
LIS
2 stops24h 33m
Lufthansa
Sun 5/245:05 am
LIS
-
DFW
1 stop15h 10m
Lufthansa
Deal found 1/21$530
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:28 am
DFW
-
LIS
2 stops18h 47m
Delta
Wed 5/135:00 am
LIS
-
DFW
2 stops25h 09m
Delta
Deal found 1/22$531
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:40 pm
DFW
-
LIS
1 stop13h 35m
Delta
Fri 4/1712:45 pm
LIS
-
DFW
1 stop16h 33m
Delta
Deal found 1/22$532
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:12 pm
DAL
-
LIS
2 stops20h 43m
Delta
Mon 4/275:35 am
LIS
-
DAL
2 stops18h 15m
Delta
Deal found 1/20$532
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:56 am
DFW
-
LIS
2 stops16h 44m
Delta
Mon 3/95:30 am
LIS
-
DFW
2 stops18h 34m
Delta
Deal found 1/21$533
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:32 am
DFW
-
LIS
2 stops23h 33m
Iberia
Tue 2/176:30 am
LIS
-
DFW
1 stop16h 10m
Iberia
Deal found 1/20$534
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:55 am
DFW
-
LIS
2 stops27h 00m
Delta
Mon 4/2012:15 pm
LIS
-
DFW
1 stop31h 20m
Delta
Deal found 1/20$535
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/77:17 pm
DFW
-
LIS
2 stops30h 53m
United Airlines
Sun 2/155:00 am
LIS
-
DFW
2 stops23h 59m
United Airlines
Deal found 1/21$536
This British Airways deal was found by Cheapflights users on 1/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:51 pm
DFW
-
LIS
2 stops17h 19m
British Airways
Tue 2/177:05 am
LIS
-
DFW
2 stops22h 42m
British Airways
Deal found 1/20$537
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:28 am
DFW
-
LIS
2 stops18h 47m
Delta
Tue 5/129:50 am
LIS
-
DFW
2 stops20h 19m
Delta
Deal found 1/22$538
This Delta deal was found by Cheapflights users on 1/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:40 am
DFW
-
LIS
2 stops20h 20m
Delta
Tue 5/129:50 am
LIS
-
DFW
2 stops20h 19m
Delta
Deal found 1/22$539
This KLM deal was found by Cheapflights users on 1/22. 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.
Sun 3/85:59 pm
DFW
-
FNC
2 stops58h 36m
KLM
Sun 3/1510:10 am
FNC
-
DFW
2 stops36h 49m
KLM
Deal found 1/22$539

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 January 22, 2026.

Round-trip from

$521
(KAYAK)

One-way from

$216
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$710
From Dallas to Portugal
Search Deals
One-way flight from Dallas to Portugal
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 22, 2026.
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

Wed 3/4

9:56 am-8:40 am

2 stops16h 44m

Lisbon Humberto Delgado

Mon 3/9

5:30 am-7:04 pm

2 stops18h 34m

$533

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 3/8

5:59 pm-9:35 am

2 stops58h 36m

Funchal Madeira

Sun 3/15

10:10 am-5:59 pm

2 stops36h 49m

$539

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 4/18

7:40 pm-4:20 pm

1 stop14h 40m

Lisbon Humberto Delgado

Wed 5/13

6:45 pm-1:10 pm

1 stop24h 25m

$540

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 4/23

7:40 pm-3:30 pm

1 stop13h 50m

Lisbon Humberto Delgado

Tue 5/12

6:45 pm-1:10 pm

1 stop24h 25m

$540

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/20

1:35 pm-2:55 pm

2 stops19h 20m

Lisbon Humberto Delgado

Mon 5/11

11:55 am-12:09 am

2 stops18h 14m

$548

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 2/23

10:48 am-9:30 am

2 stops16h 42m

Porto

Tue 3/10

12:35 pm-9:53 am

2 stops26h 18m

$556

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/30

2:56 pm-7:50 pm

2 stops22h 54m

Porto

Thu 4/16

12:25 pm-8:10 pm

1 stop13h 45m

$556

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/4

12:31 pm-7:50 pm

2 stops25h 19m

Porto

Wed 5/20

8:20 am-8:10 pm

1 stop17h 50m

$557

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 4/24

7:40 pm-3:35 pm

1 stop13h 55m

Lisbon Humberto Delgado

Sat 5/9

6:55 pm-1:10 pm

1 stop24h 15m

$560

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 3/1

7:10 am-9:30 am

2 stops20h 20m

Porto

Tue 3/17

6:00 am-9:32 pm

2 stops44h 32m

$564

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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.

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 January 22, 2026.
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
8,087 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

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.
Delta
7.9
Good
8,087 reviews
Delta
7.9
Good
8,087 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

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.
Finnair
7.6
Good
1,353 reviews
Delta
7.9
Good
8,087 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

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.
United Airlines
7.4
Good
9,190 reviews
Delta
7.9
Good
8,087 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

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.
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,087 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

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.
British Airways
6.7
Okay
7,689 reviews
Delta
7.9
Good
8,087 reviews

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Comfort

7.9

Food

7.2

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 $540, Delta can have you in Portugal from Dallas in 14h 40m. Airlines will cover a distance of 4740 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 $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.
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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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$465Average$711FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$506Average$842FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$517Average$818FlexibilityNo cancel feeOn-time71%
DeltaCheapest$521Average$942FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$530Average$705FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$531Average$919FlexibilityNo cancel feeOn-time69%
IberiaCheapest$537Average$772FlexibilityNo cancel feeOn-time77%
FinnairCheapest$541Average$739FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$560Average$778FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$724FlexibilityNo cancel feeOn-time75%

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