Portugal

$207+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Jan 27 — Feb 31
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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 28, 2025.

This oojo deal was found by Cheapflights users on 12/27. 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 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 1/810:40 amLIS - DFW
2 stops39h 40mBritish Airways
Deal found 12/27$593
This oojo deal was found by Cheapflights users on 12/27. 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 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
Wed 1/76:35 pmLIS - DFW
1 stop24h 15mBritish Airways
Deal found 12/27$701
This Finnair deal was found by Cheapflights users on 12/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:10 amDFW - LIS
1 stop17h 45mMultiple Airlines
Thu 1/810:40 amLIS - DFW
1 stop16h 20mMultiple Airlines
Deal found 12/26$703
This KLM deal was found by Cheapflights users on 12/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:09 pmDAL - LIS
2 stops14h 51mKLM
Thu 1/1510:00 amLIS - DAL
2 stops18h 29mKLM
Deal found 12/28$821
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:27 pmDFW - LIS
2 stops35h 48mUnited Airlines
Tue 12/305:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 12/26$828
This Booking.com deal was found by Cheapflights users on 12/26. 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.
Fri 12/266:15 pmDFW - LIS
2 stops57h 05mAir Canada
Tue 12/3011:20 amLIS - DFW
2 stops58h 11mAir Canada
Deal found 12/26$830
This oojo deal was found by Cheapflights users on 12/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:23 amDFW - TER
2 stops16h 37mMultiple Airlines
Thu 1/11:20 pmTER - DFW
2 stops26h 18mMultiple Airlines
Deal found 12/26$1,098
This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:15 amDFW - FNC
2 stops23h 55mMultiple Airlines
Fri 1/95:25 pmFNC - DFW
2 stops46h 11mMultiple Airlines
Deal found 12/26$1,145
This British Airways deal was found by Cheapflights users on 12/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:15 pmDFW - FNC
1 stop32h 20mBritish Airways
Tue 12/303:05 pmFNC - DFW
1 stop34h 05mBritish Airways
Deal found 12/26$1,282
This British Airways deal was found by Cheapflights users on 12/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:50 pmDFW - FNC
2 stops59h 45mBritish Airways
Tue 12/303:05 pmFNC - DFW
1 stop34h 05mBritish Airways
Deal found 12/26$1,342
This American Airlines deal was found by Cheapflights users on 12/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:09 amDFW - FNC
2 stops26h 01mMultiple Airlines
Fri 1/95:25 pmFNC - DFW
2 stops46h 11mMultiple Airlines
Deal found 12/25$1,354
This British Airways deal was found by Cheapflights users on 12/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/273:03 pmDFW - FNC
2 stops38h 32mBritish Airways
Wed 12/314:00 pmFNC - DFW
2 stops34h 10mBritish Airways
Deal found 12/26$1,385

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 28, 2025.

Round-trip from

$499
(KLM)

One-way from

$207
(oojo)

Popular in

June

Cheapest in

February

Average price

$780
From Dallas to Portugal
One-way flight from Dallas to Portugal
Highest demand for flights based on searches. 12% potential increase in price ($106 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 28, 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

Mon 1/26

3:45 pm-9:30 am

2 stops59h 45m

Funchal Madeira

Mon 2/9

10:25 am-5:06 pm

2 stops36h 41m

$499

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/26

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Mon 2/9

12:25 pm-7:10 pm

1 stop36h 45m

$532

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 1/27

6:35 pm-9:30 am

2 stops32h 55m

Funchal Madeira

Sun 2/8

10:10 am-12:27 am

2 stops20h 17m

$533

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 1/28

9:15 pm-11:20 am

1 stop32h 05m

Funchal Madeira

Tue 2/10

3:05 pm-7:10 pm

1 stop34h 05m

$537

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 1/28

9:15 pm-11:20 am

1 stop32h 05m

Funchal Madeira

Thu 2/12

5:00 pm-7:10 pm

1 stop32h 10m

$537

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 1/26

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Tue 2/10

3:05 pm-7:10 pm

1 stop34h 05m

$537

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 1/27

9:15 pm-11:10 am

1 stop31h 55m

Funchal Madeira

Thu 2/12

12:00 pm-7:10 pm

1 stop37h 10m

$537

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 1/27

9:15 pm-11:10 am

1 stop31h 55m

Funchal Madeira

Wed 2/11

4:00 pm-7:10 pm

1 stop33h 10m

$537

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 3/9

7:20 am-8:00 am

1 stop19h 40m

Lisbon Humberto Delgado

Thu 3/19

5:30 am-3:00 pm

1 stop14h 30m

$566

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 3/10

5:05 pm-3:10 pm

1 stop17h 05m

Lisbon Humberto Delgado

Thu 3/19

5:30 am-3:00 pm

1 stop14h 30m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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 $736). 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 December 28, 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.

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

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.

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

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.

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

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.

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

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.

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

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.

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

Boarding

8.1

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 $566, KLM can have you in Portugal from Dallas in 19h 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 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?

  • 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 $736). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$519Average$848FlexibilityNo cancel feeOn-time70%
DeltaCheapest$526Average$937FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$530Average$706FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$535Average$827FlexibilityNo cancel feeOn-time71%
FinnairCheapest$536Average$730FlexibilityNo cancel feeOn-time76%
IberiaCheapest$537Average$785FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$537Average$919FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$558Average$778FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$724FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$608Average$831FlexibilityNo cancel feeOn-time72%

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