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Portugal

$220+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:30 amDFW - LIS
1 stop14h 25mBritish Airways
Thu 1/812:55 pmLIS - DFW
2 stops37h 25mBritish Airways
Deal found 12/11$591
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/1112:57 pmDFW - LIS
1 stop14h 08mAmerican Airlines
Wed 12/1711:05 amLIS - DFW
2 stops14h 51mAmerican Airlines
Deal found 12/11$611
This Finnair deal was found by Cheapflights users on 12/10. 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 12/1512:35 pmDFW - LIS
1 stop14h 30mMultiple Airlines
Mon 12/224:10 pmLIS - DFW
1 stop29h 00mMultiple Airlines
Deal found 12/10$634
This Finnair deal was found by Cheapflights users on 12/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:29 pmDFW - LIS
1 stop11h 26mMultiple Airlines
Wed 12/246:30 amLIS - DFW
1 stop16h 00mMultiple Airlines
Deal found 12/11$639
This oojo deal was found by Cheapflights users on 12/10. 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.
Thu 12/112:00 pmDFW - LIS
1 stop13h 05mBritish Airways
Fri 12/196:45 pmLIS - DFW
2 stops30h 47mBritish Airways
Deal found 12/10$667
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:35 pmDFW - LIS
1 stop19h 50mBritish Airways
Sun 12/216:40 pmLIS - DFW
1 stop24h 10mBritish Airways
Deal found 12/11$689
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 pmDFW - LIS
2 stops32h 10mUnited Airlines
Wed 12/1711:00 amLIS - DFW
2 stops42h 06mUnited Airlines
Deal found 12/11$690
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/157:00 amDFW - LIS
2 stops19h 10mUnited Airlines
Mon 12/2211:55 amLIS - DFW
2 stops17h 11mUnited Airlines
Deal found 12/10$691
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/137:00 amDFW - LIS
2 stops21h 15mUnited Airlines
Thu 12/1810:55 amLIS - DFW
1 stop16h 44mUnited Airlines
Deal found 12/10$708
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:00 pmDFW - PDL
2 stops20h 05mMultiple Airlines
Wed 12/175:50 pmPDL - DFW
1 stop21h 48mMultiple Airlines
Deal found 12/11$1,047
This Orbitz deal was found by Cheapflights users on 12/10. 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.
Wed 12/248:40 pmDFW - OPO
2 stops29h 00mIberia
Mon 12/298:40 pmOPO - DFW
2 stops26h 15mIberia
Deal found 12/10$1,093
This oojo deal was found by Cheapflights users on 12/10. 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.
Wed 12/243:53 pmDFW - OPO
2 stops43h 22mBritish Airways
Mon 12/295:30 pmOPO - DFW
1 stop31h 40mBritish Airways
Deal found 12/10$1,130

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 December 12, 2025.

Round-trip from

$532
(KLM)

One-way from

$220
(Flightnetwork)

Popular in

June

Cheapest in

February

Average price

$780
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 ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

Tue 2/24

6:35 pm-9:30 am

2 stops32h 55m

Funchal Madeira

Wed 3/4

10:25 am-4:46 pm

2 stops36h 21m

$507

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 2/24

6:35 pm-9:30 am

2 stops32h 55m

Funchal Madeira

Thu 3/5

10:20 am-5:07 pm

2 stops36h 47m

$507

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Fri 2/27

2:59 pm-5:50 pm

2 stops20h 51m

Funchal Madeira

Wed 3/4

10:25 am-12:16 am

2 stops19h 51m

$532

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 1/14

9:15 pm-11:20 am

1 stop32h 05m

Funchal Madeira

Tue 1/20

3:05 pm-7:10 pm

1 stop34h 05m

$533

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 2/25

2:59 pm-5:10 pm

2 stops44h 11m

Funchal Madeira

Wed 3/4

10:25 am-5:07 pm

2 stops36h 42m

$537

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 2/25

2:59 pm-5:10 pm

2 stops44h 11m

Funchal Madeira

Thu 3/5

10:20 am-5:07 pm

2 stops36h 47m

$537

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Fri 1/23

5:30 pm-11:45 am

1 stop12h 15m

Porto

Fri 1/30

8:20 am-7:58 pm

2 stops17h 38m

$553

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 1/14

10:25 am-1:15 pm

2 stops20h 50m

Porto

Wed 1/28

12:10 pm-10:59 pm

2 stops40h 49m

$579

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 3/3

10:45 am-8:00 am

2 stops15h 15m

Lisbon Humberto Delgado

Tue 3/17

10:00 am-10:36 pm

2 stops17h 36m

$585

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 5/15

2:42 pm-9:05 am

1 stop12h 23m

Lisbon Humberto Delgado

Sun 5/24

6:35 am-4:15 pm

1 stop15h 40m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December 12, 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 December 12, 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
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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
7,571 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.3

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 $553, KLM can have you in Portugal from Dallas in 12h 15m. 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. United Airlines flights start at $238 while deals on British Airways 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$523Average$838FlexibilityNo cancel feeOn-time70%
DeltaCheapest$529Average$937FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$537Average$781FlexibilityNo cancel feeOn-time77%
FinnairCheapest$537Average$724FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$537Average$919FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$538Average$842FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$551Average$705FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$566Average$782FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$726FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$608Average$954FlexibilityNo cancel feeOn-time72%

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