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$402+ Cheap flights from Portugal to Dallas

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Portugal to Dallas

Keep the following information in mind while searching for Portugal to Dallas flight deals. Data was last updated November 3, 2025.

Round-trip from

$648
(Kiwi.com)

One-way from

$402
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$808
From Portugal to Dallas
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One-way flight from Portugal to Dallas
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Highest demand for flights based on searches. 6% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Portugal to Dallas

Cheapest flights from Portugal to Dallas
Explore the most affordable flight options available from Portugal to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This KLM deal was found by Cheapflights users on 11/3. 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.
Thu 11/276:35 amOPO - DFW
2 stops19h 20mKLM
Mon 12/14:05 pmDFW - OPO
1 stop12h 25mKLM
Deal found 11/3$823
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 11/1311:15 amOPO - DFW
2 stops19h 01mDelta
Mon 11/178:45 amDFW - OPO
2 stops19h 45mDelta
Deal found 11/1$824
This Lufthansa deal was found by Cheapflights users on 11/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:00 amLIS - DFW
2 stops22h 55mLufthansa
Sun 1/114:15 pmDFW - LIS
1 stop16h 50mLufthansa
Deal found 11/2$829
This Delta deal was found by Cheapflights users on 11/1. 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.
Thu 11/135:00 amLIS - DFW
2 stops23h 58mDelta
Wed 11/261:33 pmDFW - LIS
2 stops15h 47mDelta
Deal found 11/1$832
This Air France deal was found by Cheapflights users on 11/1. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:20 amOPO - DFW
1 stop32h 40mAir France
Mon 11/174:05 pmDFW - OPO
1 stop12h 25mAir France
Deal found 11/1$837
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 12/2611:05 amLIS - DFW
1 stop18h 54mAmerican Airlines
Sun 1/117:00 pmDFW - LIS
1 stop16h 45mAmerican Airlines
Deal found 11/2$839
This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:00 amLIS - DFW
1 stop15h 15mMultiple Airlines
Wed 11/265:35 pmDFW - LIS
1 stop15h 15mMultiple Airlines
Deal found 11/1$840
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/1312:35 pmOPO - DFW
1 stop15h 59mUnited Airlines
Mon 11/1711:35 amDFW - OPO
1 stop15h 55mUnited Airlines
Deal found 11/1$841
This British Airways deal was found by Cheapflights users on 10/31. 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 12/2611:05 amLIS - DFW
1 stop18h 54mBritish Airways
Sun 1/115:30 pmDFW - LIS
1 stop15h 20mBritish Airways
Deal found 10/31$844
This United Airlines deal was found by Cheapflights users on 10/31. 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 12/2611:55 amLIS - DFW
1 stop14h 32mUnited Airlines
Sun 1/1112:18 pmDFW - LIS
2 stops13h 52mUnited Airlines
Deal found 10/31$853
This Delta deal was found by Cheapflights users on 11/3. 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.
Thu 11/65:00 amLIS - DFW
2 stops21h 56mDelta
Thu 11/1311:47 amDFW - LIS
2 stops21h 23mDelta
Deal found 11/3$866
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:00 amLIS - DFW
1 stop15h 15mMultiple Airlines
Thu 11/135:35 pmDFW - LIS
1 stop15h 10mMultiple Airlines
Deal found 11/2$875

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Dallas 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 November 3, 2025.
Use the filters below to find and compare flights from Portugal to Dallas that are best for you.

Fly from

Portugal

Fly to

Dallas

Route

Depart

Return

Price

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sun 2/1

12:55 pm-3:00 pm

1 stop32h 05m

Dallas/Fort Worth

Sun 2/8

7:05 am-9:20 am

1 stop20h 15m

$821

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 11/27

6:35 am-7:55 pm

2 stops19h 20m

Dallas/Fort Worth

Mon 12/1

4:05 pm-10:30 am

1 stop12h 25m

$823

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 11/13

11:15 am-12:16 am

2 stops19h 01m

Dallas/Fort Worth

Mon 11/17

8:45 am-10:30 am

2 stops19h 45m

$824

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 11/13

6:35 am-10:04 pm

2 stops21h 29m

Dallas/Fort Worth

Mon 11/17

4:05 pm-10:30 am

1 stop12h 25m

$824

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 12/26

5:00 am-9:55 pm

2 stops22h 55m

Dallas/Fort Worth

Sun 1/11

4:15 pm-3:05 pm

1 stop16h 50m

$829

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sun 2/1

5:00 am-12:25 am

2 stops25h 25m

Dallas/Fort Worth

Sun 2/8

1:32 pm-5:30 pm

2 stops21h 58m

$831

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/13

5:00 am-10:58 pm

2 stops23h 58m

Dallas/Fort Worth

Wed 11/26

1:33 pm-11:20 am

2 stops15h 47m

$832

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 11/13

11:20 am-2:00 pm

1 stop32h 40m

Dallas/Fort Worth

Mon 11/17

4:05 pm-10:30 am

1 stop12h 25m

$837

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 12/26

11:05 am-11:59 pm

1 stop18h 54m

Dallas/Fort Worth

Sun 1/11

7:00 pm-5:45 pm

1 stop16h 45m

$839

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/13

7:00 am-4:15 pm

1 stop15h 15m

Dallas/Fort Worth

Wed 11/26

5:35 pm-2:50 pm

1 stop15h 15m

$840

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 42 results
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Best time to book a flight from Portugal to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Portugal 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 Portugal to Dallas

What is the cheapest month to book a flight from Portugal to Dallas?

Currently, June is the cheapest month in which you can book a flight from Portugal to Dallas (average of $523). Flying from Portugal to Dallas in July is currently the most expensive (average of $905). 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 Dallas

Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated November 3, 2025.
Read through reviews of airlines operating flights from Portugal to Dallas, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,038 reviews

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.4

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
11,038 reviews
American Airlines
7.2
Good
11,038 reviews

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.4

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Dallas. 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 Portugal to Dallas?

    KLM, Delta, and Lufthansa can get you from Portugal to Dallas in just under 19h 01m. Your travel time can differ by up to 3h 54m. The distance between Portugal and Dallas is about 4688 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Portugal to Dallas?

    Most travelers choose Lisbon Humberto Delgado - Dallas/Fort Worth, Lisbon Humberto Delgado - Dallas Love Field or Porto - Dallas/Fort Worth when deciding on the best route from Portugal to Dallas.

  • Can I find deals for flights from Portugal to Dallas that include hotel bookings?

    Yes. In addition to deals on Portugal to Dallas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Dallas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Dallas.

  • Can I find deals for business class flights from Portugal to Dallas?

    Yes. Cheapflights offers flight deals from Portugal to Dallas 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 Portugal to Dallas?

    Currently, June is the cheapest month in which you can book a flight from Portugal to Dallas (average of $523). Flying from Portugal to Dallas in July is currently the most expensive (average of $905). 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 Portugal to Dallas

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Top airline flying from Portugal to Dallas

Discover the top airline that operate flights from Portugal to Dallas. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$773Average$865FlexibilityNo cancel feeOn-time71%

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