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Portugal

$219+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 29, 2026.

This KLM deal was found by Cheapflights users on 1/27. 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.
Wed 3/411:36 am
DFW
-
LIS
2 stops15h 04m
Multiple Airlines
Mon 3/912:20 pm
LIS
-
DFW
1 stop31h 40m
Multiple Airlines
Deal found 1/27$512
This Delta deal was found by Cheapflights users on 1/26. 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 2/176:00 am
DAL
-
LIS
2 stops20h 00m
Delta
Wed 2/2510:00 am
LIS
-
DAL
2 stops18h 31m
Delta
Deal found 1/26$512
This United Airlines deal was found by Cheapflights users on 1/27. 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 2/189:00 am
DFW
-
LIS
2 stops17h 10m
United Airlines
Thu 3/510:15 am
LIS
-
DFW
1 stop14h 24m
United Airlines
Deal found 1/27$513
This KLM deal was found by Cheapflights users on 1/27. 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
KLM
Tue 3/311:15 am
LIS
-
DAL
2 stops17h 16m
KLM
Deal found 1/27$513
This Delta deal was found by Cheapflights users on 1/27. 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 3/173:30 pm
DFW
-
LIS
2 stops18h 05m
Delta
Tue 3/319:50 am
LIS
-
DFW
2 stops19h 23m
Delta
Deal found 1/27$514
This KAYAK deal was found by Cheapflights users on 1/27. 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.
Sun 2/1510:48 am
DFW
-
LIS
2 stops30h 42m
Lufthansa
Wed 2/253:55 pm
LIS
-
DFW
1 stop28h 30m
Lufthansa
Deal found 1/27$515
This KAYAK deal was found by Cheapflights users on 1/27. 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.
Sun 2/1510:48 am
DFW
-
LIS
2 stops30h 42m
Lufthansa
Mon 3/22:10 pm
LIS
-
DFW
2 stops38h 49m
Lufthansa
Deal found 1/27$516
This Air Canada deal was found by Cheapflights users on 1/26. 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.
Mon 2/167:00 am
DFW
-
LIS
2 stops25h 50m
Air Canada
Wed 2/255:00 am
LIS
-
DFW
2 stops22h 32m
Air Canada
Deal found 1/26$517
This Priceline deal was found by Cheapflights users on 1/26. 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.
Thu 3/54:55 pm
DFW
-
LIS
1 stop16h 30m
Finnair
Wed 3/114:10 pm
LIS
-
DFW
1 stop29h 00m
Finnair
Deal found 1/26$518
This American Airlines deal was found by Cheapflights users on 1/29. 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 4/74:45 pm
DFW
-
LIS
1 stop15h 45m
American Airlines
Thu 5/148:25 am
LIS
-
DFW
1 stop17h 45m
American Airlines
Deal found 1/29$519
This United Airlines deal was found by Cheapflights users on 1/28. 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 4/83:45 pm
DFW
-
LIS
2 stops17h 50m
United Airlines
Wed 4/155:05 am
LIS
-
DFW
2 stops23h 54m
United Airlines
Deal found 1/28$520
This Finnair deal was found by Cheapflights users on 1/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:50 pm
DFW
-
LIS
1 stop17h 00m
Finnair
Mon 4/134:35 pm
LIS
-
DFW
1 stop28h 30m
Finnair
Deal found 1/27$521

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 29, 2026.

Round-trip from

$512
(KLM)

One-way from

$219
(oojo)

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. 1% 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 29, 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

11:36 am-8:40 am

2 stops15h 04m

Lisbon Humberto Delgado

Mon 3/9

4:10 pm-3:00 pm

1 stop27h 50m

$512

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 2/17

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Thu 2/26

10:40 am-10:31 pm

2 stops17h 51m

$512

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 2/17

6:00 am-8:00 am

2 stops20h 00m

Lisbon Humberto Delgado

Fri 2/27

10:55 am-10:31 pm

2 stops17h 36m

$512

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 3/3

10:45 am-8:00 am

2 stops15h 15m

Lisbon Humberto Delgado

Tue 3/10

10:00 am-10:45 pm

2 stops17h 45m

$513

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 3/23

4:23 pm-2:35 pm

2 stops17h 12m

Lisbon Humberto Delgado

Tue 3/31

9:50 am-11:13 pm

2 stops19h 23m

$515

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 4/5

7:20 am-8:50 am

2 stops19h 30m

Lisbon Humberto Delgado

Wed 5/6

11:55 am-12:32 am

2 stops18h 37m

$531

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 4/8

3:45 pm-3:35 pm

2 stops17h 50m

Lisbon Humberto Delgado

Wed 4/15

11:25 am-1:24 pm

3 stops31h 59m

$536

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 2/25

9:55 am-8:10 am

2 stops16h 15m

Lisbon Humberto Delgado

Sun 3/1

10:15 am-6:31 pm

1 stop14h 16m

$538

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 2/17

7:10 am-8:00 am

1 stop18h 50m

Lisbon Humberto Delgado

Sat 2/28

5:30 am-2:00 pm

1 stop14h 30m

$544

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 3/5

4:55 pm-3:25 pm

1 stop16h 30m

Lisbon Humberto Delgado

Sun 3/8

4:10 pm-4:10 pm

1 stop29h 00m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 29, 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
8,125 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
8,125 reviews
Delta
7.9
Good
8,125 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
1,356 reviews
Delta
7.9
Good
8,125 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
9,216 reviews
Delta
7.9
Good
8,125 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
11,206 reviews
Delta
7.9
Good
8,125 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
7,705 reviews
Delta
7.9
Good
8,125 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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 $513, Delta 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 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$465Average$714FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$500Average$842FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$508Average$845FlexibilityNo cancel feeOn-time71%
DeltaCheapest$517Average$940FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$521Average$705FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$532Average$919FlexibilityNo cancel feeOn-time69%
IberiaCheapest$537Average$770FlexibilityNo cancel feeOn-time77%
FinnairCheapest$541Average$745FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$560Average$779FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$724FlexibilityNo cancel feeOn-time75%

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