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$215+ 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
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
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 noviembre 26, 2025.

This Delta deal was found by Cheapflights users on 11/25. 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.
dom. 11/306:40 pmDAL - LIS
2 stops32h 20mDelta
mié. 12/1010:00 amLIS - DAL
2 stops19h 56mDelta
Deal found 11/25$574
This KAYAK deal was found by Cheapflights users on 11/25. 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.
jue. 11/274:15 pmDFW - LIS
1 stop16h 50mLufthansa
lun. 12/812:25 pmLIS - DFW
2 stops40h 20mLufthansa
Deal found 11/25$575
This Booking.com deal was found by Cheapflights users on 11/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/11:19 pmDFW - LIS
1 stop13h 46mBritish Airways
lun. 12/811:05 amLIS - DFW
1 stop16h 40mBritish Airways
Deal found 11/26$576
This KAYAK deal was found by Cheapflights users on 11/25. 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.
jue. 11/274:15 pmDFW - LIS
2 stops25h 15mLufthansa
vie. 12/125:00 amLIS - DFW
2 stops19h 21mLufthansa
Deal found 11/25$578
This KLM deal was found by Cheapflights users on 11/25. 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.
lun. 12/112:33 pmDAL - LIS
2 stops14h 27mMultiple Airlines
mié. 12/105:30 amLIS - DAL
2 stops18h 22mMultiple Airlines
Deal found 11/25$579
This KAYAK deal was found by Cheapflights users on 11/25. 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.
vie. 11/283:45 pmDFW - LIS
2 stops25h 05mLufthansa
lun. 12/812:25 pmLIS - DFW
2 stops40h 20mLufthansa
Deal found 11/25$580
This Expedia deal was found by Cheapflights users on 11/25. 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.
mar. 11/258:30 amDAL - LIS
2 stops17h 30mMultiple Airlines
mar. 12/911:25 amLIS - DAL
2 stops18h 31mMultiple Airlines
Deal found 11/25$581
This KLM deal was found by Cheapflights users on 11/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/298:45 amDFW - LIS
1 stop18h 15mKLM
mié. 12/105:00 amLIS - DFW
2 stops18h 30mKLM
Deal found 11/26$587
This KLM deal was found by Cheapflights users on 11/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/298:45 amDFW - LIS
1 stop18h 15mMultiple Airlines
vie. 12/125:30 amLIS - DFW
1 stop14h 30mMultiple Airlines
Deal found 11/26$589
This FlightHub deal was found by Cheapflights users on 11/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/287:05 amDFW - LIS
1 stop20h 15mMultiple Airlines
dom. 12/712:35 pmLIS - DFW
2 stops40h 10mMultiple Airlines
Deal found 11/24$590
This Delta deal was found by Cheapflights users on 11/25. 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.
vie. 11/284:05 pmDFW - LIS
1 stop13h 15mDelta
dom. 12/145:30 amLIS - DFW
1 stop14h 30mDelta
Deal found 11/25$591
This KAYAK deal was found by Cheapflights users on 11/25. 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.
jue. 11/273:45 pmDFW - LIS
2 stops17h 20mLufthansa
jue. 12/115:00 amLIS - DFW
2 stops23h 45mLufthansa
Deal found 11/25$594

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 noviembre 26, 2025.

Round-trip from

$555
(KLM)

One-way from

$215
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$666
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 ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 noviembre 26, 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

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

jue. 1/8

1:30 pm-5:10 pm

2 stops21h 40m

Funchal Madeira

jue. 1/15

10:20 am-5:23 pm

2 stops37h 03m

$565

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

lun. 2/16

11:58 am-8:00 am

2 stops14h 02m

Lisbon Humberto Delgado

mié. 3/4

11:15 am-10:33 pm

2 stops17h 18m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

vie. 2/27

9:15 pm-5:55 pm

1 stop14h 40m

Lisbon Humberto Delgado

vie. 3/13

7:05 am-8:10 pm

1 stop18h 05m

$574

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

sáb. 2/28

9:15 pm-5:55 pm

1 stop14h 40m

Lisbon Humberto Delgado

mié. 3/11

7:05 am-8:10 pm

1 stop18h 05m

$574

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 1/19

12:20 pm-12:05 pm

2 stops17h 45m

Porto

mié. 2/4

12:30 pm-2:25 pm

1 stop31h 55m

$575

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 1/19

7:10 am-10:30 am

2 stops21h 20m

Porto

mié. 2/4

11:15 am-11:19 pm

2 stops42h 04m

$581

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 1/19

11:58 am-10:30 am

2 stops16h 32m

Porto

mié. 2/4

5:00 am-5:56 pm

2 stops18h 56m

$581

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

lun. 1/19

6:38 pm-3:25 pm

2 stops14h 47m

Porto

mié. 2/4

5:00 am-5:47 pm

2 stops18h 47m

$587

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jue. 3/12

5:55 pm-3:25 pm

1 stop16h 30m

Lisbon Humberto Delgado

jue. 3/19

10:55 am-8:23 pm

1 stop14h 28m

$588

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jue. 1/1

7:53 am-10:15 am

2 stops20h 22m

Lisbon Humberto Delgado

vie. 1/16

10:15 am-9:34 pm

2 stops17h 19m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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 noviembre 26, 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 noviembre 26, 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
8,003 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
8,003 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
8,003 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
9,050 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
11,038 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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
7,539 reviews
Delta
7.9
Good
8,003 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Entertainment

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 $574, KLM 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 British Airways, which is currently one of the cheapest options available, starting at $225. KLM flights start at $227 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 $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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$529Average$937FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$535Average$722FlexibilityNo cancel feeOn-time76%
IberiaCheapest$537Average$772FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$538Average$836FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$541Average$1,011FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$541Average$843FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$551Average$705FlexibilityNo cancel feeOn-time77%
KLMCheapest$572Average$726FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$575Average$781FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$608Average$954FlexibilityNo cancel feeOn-time72%

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