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$317+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$628
(eDestinos)

One-way from

$317
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$751
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 ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This eDestinos deal was found by Cheapflights users on 9/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:35 amLIS - DFW
1 stop16h 25mMultiple Airlines
Tue 1/138:40 pmDFW - LIS
1 stop15h 00mMultiple Airlines
Deal found 9/15$628
This eDestinos deal was found by Cheapflights users on 9/15. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:30 amLIS - DFW
2 stops20h 30mIberia
Tue 1/1312:19 pmDFW - LIS
2 stops17h 31mIberia
Deal found 9/15$685
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:00 amLIS - DFW
2 stops22h 43mMultiple Airlines
Fri 11/76:30 amDFW - LIS
2 stops26h 05mMultiple Airlines
Deal found 9/16$690
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 11/66:30 amLIS - DFW
1 stop16h 25mMultiple Airlines
Thu 11/138:40 pmDFW - LIS
1 stop15h 20mMultiple Airlines
Deal found 9/15$708
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:00 amOPO - DFW
2 stops22h 17mMultiple Airlines
Sun 10/55:10 amDFW - OPO
2 stops31h 05mMultiple Airlines
Deal found 9/14$713
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/26:35 amLIS - DFW
1 stop19h 35mAmerican Airlines
Fri 10/179:45 pmDFW - LIS
1 stop14h 20mAmerican Airlines
Deal found 9/15$716
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/2311:05 amLIS - DFW
1 stop18h 54mAmerican Airlines
Fri 11/78:40 pmDFW - LIS
1 stop15h 15mAmerican Airlines
Deal found 9/16$724
This Finnair deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:30 amLIS - DFW
1 stop16h 10mMultiple Airlines
Thu 11/64:25 pmDFW - LIS
1 stop10h 40mMultiple Airlines
Deal found 9/15$727
This American Airlines deal was found by Cheapflights users on 9/15. 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 9/258:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Mon 9/299:45 pmDFW - OPO
1 stop12h 10mAmerican Airlines
Deal found 9/15$734
This KLM deal was found by Cheapflights users on 9/14. 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 10/16:15 amOPO - DFW
2 stops17h 18mKLM
Sun 10/53:50 pmDFW - OPO
1 stop17h 40mKLM
Deal found 9/14$744
This British Airways deal was found by Cheapflights users on 9/14. 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.
Wed 10/18:20 pmOPO - DFW
1 stop25h 55mBritish Airways
Sun 10/55:40 pmDFW - OPO
1 stop20h 40mBritish Airways
Deal found 9/14$753
This Iberia deal was found by Cheapflights users on 9/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:15 amOPO - DFW
2 stops17h 29mIberia
Mon 9/299:45 pmDFW - OPO
1 stop12h 10mIberia
Deal found 9/16$758

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 September 17, 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

Tue 12/2

6:30 am-9:00 pm

2 stops20h 30m

Dallas/Fort Worth

Tue 1/13

12:19 pm-11:50 am

2 stops17h 31m

$685

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 11/6

6:30 am-4:55 pm

1 stop16h 25m

Dallas/Fort Worth

Thu 11/13

8:40 pm-6:00 pm

1 stop15h 20m

$708

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 10/1

6:00 am-10:17 pm

2 stops22h 17m

Dallas/Fort Worth

Sun 10/5

5:10 am-6:15 pm

2 stops31h 05m

$713

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/30

10:55 am-7:47 am

1 stop25h 52m

Dallas/Fort Worth

Thu 11/13

6:50 pm-6:00 pm

1 stop17h 10m

$724

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/23

11:05 am-11:59 pm

1 stop18h 54m

Dallas/Fort Worth

Fri 11/7

8:40 pm-5:55 pm

1 stop15h 15m

$724

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/30

6:30 am-5:40 pm

1 stop16h 10m

Dallas/Fort Worth

Thu 11/6

4:25 pm-9:05 am

1 stop10h 40m

$727

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 10/31

11:05 am-7:59 pm

1 stop13h 54m

Dallas/Fort Worth

Fri 11/7

5:35 pm-2:50 pm

1 stop15h 15m

$728

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 10/10

6:35 am-4:30 pm

1 stop15h 55m

Dallas/Fort Worth

Fri 1/9

5:10 pm-2:50 pm

1 stop15h 40m

$728

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 10/2

11:40 am-11:59 pm

2 stops18h 19m

Dallas/Fort Worth

Fri 10/17

1:33 pm-2:50 pm

2 stops19h 17m

$730

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 10/31

5:00 am-9:52 pm

2 stops21h 52m

Dallas/Fort Worth

Fri 11/7

4:05 pm-3:10 pm

1 stop17h 05m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 51 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, August is the cheapest month in which you can book a flight from Portugal to Dallas (average of $216). Flying from Portugal to Dallas in March is currently the most expensive (average of $295). 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 September 17, 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
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.4

Overall

7.2

Entertainment

6.9

Boarding

7.5

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.4

Overall

7.2

Entertainment

6.9

Boarding

7.5

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?

    Iberia, American Airlines, and KLM can get you from Portugal to Dallas in just under 17h 18m. Your travel time can differ by up to 8h 34m. 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, August is the cheapest month in which you can book a flight from Portugal to Dallas (average of $216). Flying from Portugal to Dallas in March is currently the most expensive (average of $295). 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 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$790Average$865FlexibilityNo cancel feeOn-time71%

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