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Portugal

$238+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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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 January 14, 2026.

Round-trip from

$487
(British Airways)

One-way from

$238
(Delta)

Popular in

June

Cheapest in

February

Average price

$710
From Dallas to Portugal
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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).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 14, 2026.

This British Airways deal was found by Cheapflights users on 1/14. 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 2/235:00 pm
DFW
-
FNC
2 stops40h 10m
British Airways
Tue 3/103:05 pm
FNC
-
DFW
1 stop35h 25m
British Airways
Deal found 1/14$487
This American Airlines deal was found by Cheapflights users on 1/12. 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 5/69:37 am
DFW
-
FNC
2 stops20h 28m
Multiple Airlines
Tue 5/126:40 pm
FNC
-
DFW
2 stops33h 10m
Multiple Airlines
Deal found 1/12$491
This American Airlines deal was found by Cheapflights users on 1/11. 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.
Thu 2/2610:25 am
DFW
-
FNC
2 stops24h 00m
Multiple Airlines
Thu 3/55:00 pm
FNC
-
DFW
2 stops34h 35m
Multiple Airlines
Deal found 1/11$519
This oojo deal was found by Cheapflights users on 1/13. 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.
Tue 5/511:11 am
DFW
-
OPO
2 stops26h 19m
British Airways
Tue 5/128:20 am
OPO
-
DFW
1 stop17h 50m
British Airways
Deal found 1/13$540
This oojo deal was found by Cheapflights users on 1/13. 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.
Sun 4/2611:11 am
DFW
-
OPO
2 stops27h 09m
British Airways
Fri 5/88:20 am
OPO
-
DFW
2 stops18h 10m
British Airways
Deal found 1/13$547
This Delta deal was found by Cheapflights users on 1/14. 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 5/16:56 pm
DFW
-
LIS
1 stop33h 49m
Delta
Tue 5/1212:45 pm
LIS
-
DFW
2 stops26h 02m
Delta
Deal found 1/14$548
This Lufthansa deal was found by Cheapflights users on 1/13. 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.
Thu 4/164:00 pm
DFW
-
LIS
1 stop24h 15m
Lufthansa
Sun 4/265:05 am
LIS
-
DFW
1 stop15h 10m
Lufthansa
Deal found 1/13$549
This KLM deal was found by Cheapflights users on 1/13. 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 3/303:40 pm
DFW
-
OPO
1 stop17h 45m
KLM
Thu 4/165:55 am
OPO
-
DFW
1 stop13h 40m
KLM
Deal found 1/13$549
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Thu 1/2910:55 am
DFW
-
LIS
2 stops14h 45m
American Airlines
Thu 2/510:55 am
LIS
-
DFW
2 stops15h 24m
American Airlines
Deal found 1/14$550
This Booking.com deal was found by Cheapflights users on 1/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/125:55 pm
DFW
-
LIS
1 stop16h 30m
Finnair
Wed 3/184:10 pm
LIS
-
DFW
1 stop29h 00m
Finnair
Deal found 1/14$551
This Priceline deal was found by Cheapflights users on 1/14. 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.
Wed 3/115:55 pm
DFW
-
LIS
1 stop16h 30m
Finnair
Tue 3/176:30 am
LIS
-
DFW
1 stop15h 00m
Finnair
Deal found 1/14$552
This oojo deal was found by Cheapflights users on 1/14. 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.
Fri 2/611:30 am
DFW
-
LIS
2 stops28h 55m
British Airways
Mon 2/93:50 pm
LIS
-
DFW
2 stops32h 24m
British Airways
Deal found 1/14$553

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 14, 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

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 2/23

5:00 pm-3:10 pm

2 stops40h 10m

Funchal Madeira

Tue 3/10

3:05 pm-9:30 pm

1 stop35h 25m

$487

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 5/6

9:37 am-12:05 pm

2 stops20h 28m

Funchal Madeira

Tue 5/12

6:40 pm-9:50 pm

2 stops33h 10m

$491

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/30

3:40 pm-3:25 pm

1 stop17h 45m

Porto

Thu 4/16

5:55 am-1:35 pm

1 stop13h 40m

$549

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 3/18

8:00 am-10:30 am

2 stops21h 30m

Porto

Thu 4/9

5:00 am-6:00 pm

2 stops19h 00m

$557

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/23

2:24 pm-9:30 am

2 stops14h 06m

Porto

Tue 3/31

6:00 am-2:49 pm

2 stops38h 49m

$558

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:00 pm-10:30 am

1 stop12h 30m

Porto

Wed 2/18

5:00 am-11:00 pm

2 stops24h 00m

$558

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:00 pm-10:30 am

1 stop12h 30m

Porto

Mon 2/16

11:15 am-11:00 pm

2 stops41h 45m

$558

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 2/10

4:00 pm-10:30 am

1 stop12h 30m

Porto

Thu 2/19

5:00 am-12:19 am

2 stops25h 19m

$558

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 3/19

10:15 pm-9:55 pm

1 stop18h 40m

Lisbon Humberto Delgado

Sun 3/29

5:10 pm-7:49 pm

2 stops32h 39m

$559

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 2/3

10:25 am-8:00 am

2 stops15h 35m

Lisbon Humberto Delgado

Tue 2/10

10:00 am-10:29 pm

2 stops18h 29m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

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 14, 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
8,040 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
8,040 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
1,348 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
9,156 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
11,120 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
7,671 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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 $549, British Airways can have you in Portugal from Dallas in 17h 45m. 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 $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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$514Average$844FlexibilityNo cancel feeOn-time70%
DeltaCheapest$521Average$941FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$530Average$705FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$533Average$822FlexibilityNo cancel feeOn-time71%
IberiaCheapest$537Average$764FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$537Average$919FlexibilityNo cancel feeOn-time69%
FinnairCheapest$542Average$730FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$559Average$779FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$724FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$608Average$831FlexibilityNo cancel feeOn-time72%

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