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Portugal

$242+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
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 February 21, 2026.

This Delta deal was found by Cheapflights users on 2/20. 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.
Tue 3/2411:31 am
DFW
-
LIS
2 stops18h 04m
Delta
Fri 4/175:00 am
LIS
-
DFW
2 stops23h 17m
Delta
Deal found 2/20$508
This Delta deal was found by Cheapflights users on 2/20. 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.
Tue 3/101:00 pm
DFW
-
LIS
2 stops16h 35m
Delta
Tue 3/175:00 am
LIS
-
DFW
2 stops21h 57m
Delta
Deal found 2/20$509
This KLM deal was found by Cheapflights users on 2/17. 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 2/2410:45 am
DAL
-
LIS
2 stops15h 15m
Multiple Airlines
Wed 3/45:30 am
LIS
-
DAL
2 stops18h 19m
Multiple Airlines
Deal found 2/17$509
This Expedia deal was found by Cheapflights users on 2/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:49 am
DFW
-
LIS
2 stops16h 56m
Iberia
Mon 4/278:45 pm
LIS
-
DFW
1 stop29h 25m
Iberia
Deal found 2/18$510
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:45 pm
DFW
-
LIS
1 stop19h 40m
Finnair
Tue 4/214:35 pm
LIS
-
DFW
1 stop28h 30m
Finnair
Deal found 2/20$511
This British Airways deal was found by Cheapflights users on 2/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:40 pm
DFW
-
LIS
1 stop21h 30m
British Airways
Tue 4/286:45 pm
LIS
-
DFW
1 stop28h 20m
British Airways
Deal found 2/18$512
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/32:00 pm
DFW
-
LIS
2 stops14h 15m
United Airlines
Wed 3/1111:55 am
LIS
-
DFW
2 stops16h 20m
United Airlines
Deal found 2/18$513
This KLM deal was found by Cheapflights users on 2/17. 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 2/176:38 pm
DAL
-
LIS
2 stops31h 22m
KLM
Tue 3/311:15 am
LIS
-
DAL
2 stops17h 16m
KLM
Deal found 2/17$513
This Orbitz deal was found by Cheapflights users on 2/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:55 pm
DFW
-
LIS
1 stop27h 30m
Iberia
Tue 3/318:45 pm
LIS
-
DFW
1 stop29h 25m
Iberia
Deal found 2/20$514
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:55 pm
DFW
-
LIS
1 stop11h 45m
American Airlines
Tue 3/1711:05 am
LIS
-
DFW
2 stops17h 45m
American Airlines
Deal found 2/19$516
This Iberia deal was found by Cheapflights users on 2/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/124:45 pm
DFW
-
FNC
1 stop13h 55m
Iberia
Mon 4/271:20 pm
FNC
-
DFW
2 stops37h 10m
Iberia
Deal found 2/18$516
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/1710:30 am
DFW
-
LIS
1 stop17h 35m
American Airlines
Tue 3/317:10 am
LIS
-
DFW
1 stop19h 29m
American Airlines
Deal found 2/20$517

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 February 21, 2026.

Round-trip from

$508
(Delta)

One-way from

$242
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$558
From Dallas to Portugal
Search Deals
One-way flight from Dallas to Portugal
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 21, 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

Tue 3/17

1:25 pm-9:00 am

2 stops14h 35m

Lisbon Humberto Delgado

Tue 3/31

3:55 pm-1:35 pm

1 stop27h 40m

$512

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 5/1

9:45 pm-11:25 pm

1 stop19h 40m

Lisbon Humberto Delgado

Tue 5/5

4:35 pm-3:05 pm

1 stop28h 30m

$515

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 4/12

4:45 pm-12:40 pm

1 stop13h 55m

Funchal Madeira

Mon 4/27

1:20 pm-8:30 pm

2 stops37h 10m

$516

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 4/10

9:45 pm-11:25 pm

1 stop19h 40m

Lisbon Humberto Delgado

Fri 4/17

6:35 am-4:50 pm

1 stop16h 15m

$519

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 4/12

10:59 pm-11:25 am

1 stop30h 26m

Funchal Madeira

Mon 4/27

7:00 pm-8:10 pm

2 stops31h 10m

$532

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 4/24

10:59 pm-11:10 pm

1 stop18h 11m

Lisbon Humberto Delgado

Sun 5/10

6:35 am-4:10 pm

1 stop15h 35m

$533

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 4/18

10:59 pm-11:10 pm

1 stop18h 11m

Lisbon Humberto Delgado

Fri 5/1

4:35 pm-3:05 pm

1 stop28h 30m

$534

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 4/12

4:45 pm-12:40 pm

1 stop13h 55m

Funchal Madeira

Mon 4/27

7:00 pm-2:15 pm

1 stop25h 15m

$541

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 5/8

4:50 pm-3:50 pm

1 stop17h 00m

Lisbon Humberto Delgado

Sat 5/23

6:35 am-4:15 pm

1 stop15h 40m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 5/11

9:45 pm-11:25 pm

1 stop19h 40m

Lisbon Humberto Delgado

Mon 5/18

6:35 am-8:10 pm

1 stop19h 35m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

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 $733). 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 February 21, 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
8,241 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
8,241 reviews
Delta
7.9
Good
8,241 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
1,365 reviews
Delta
7.9
Good
8,241 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
9,341 reviews
Delta
7.9
Good
8,241 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
11,336 reviews
Delta
7.9
Good
8,241 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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
7,757 reviews
Delta
7.9
Good
8,241 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

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 $516, Finnair can have you in Portugal from Dallas in 13h 55m. Airlines will cover a distance of 4530 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 $733). 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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$460Average$711FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$497Average$704FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$502Average$810FlexibilityNo cancel feeOn-time71%
DeltaCheapest$517Average$938FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$521Average$705FlexibilityNo cancel feeOn-time77%
FinnairCheapest$531Average$758FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$532Average$917FlexibilityNo cancel feeOn-time69%
IberiaCheapest$535Average$774FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$557Average$780FlexibilityNo cancel feeOn-time67%
KLMCheapest$603Average$728FlexibilityNo cancel feeOn-time75%

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