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$299+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Round-trip from

$723
(Mytrip)

One-way from

$299
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$870
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. 3% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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 5/28:50 amLIS - DFW
2 stops25h 25mMultiple Airlines
Sun 5/188:00 pmDFW - LIS
1 stop33h 05mMultiple Airlines
Deal found 4/16$723
This Finnair deal was found by Cheapflights users on 4/15. 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 8/286:35 amLIS - DFW
1 stop15h 35mFinnair
Sun 8/319:15 pmDFW - LIS
1 stop19h 50mFinnair
Deal found 4/15$727
This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:20 amLIS - DFW
1 stop15h 00mBritish Airways
Sun 5/1810:59 pmDFW - LIS
1 stop18h 06mBritish Airways
Deal found 4/16$740
This Delta deal was found by Cheapflights users on 4/17. 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.
Mon 4/2811:40 amLIS - DFW
2 stops18h 16mDelta
Wed 5/141:27 pmDFW - LIS
2 stops19h 23mDelta
Deal found 4/17$751
This AirNGo deal was found by Cheapflights users on 4/17. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:15 amOPO - DFW
1 stop17h 55mBritish Airways
Wed 5/79:30 pmDFW - OPO
1 stop30h 55mBritish Airways
Deal found 4/17$764
This Delta deal was found by Cheapflights users on 4/17. 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.
Wed 6/116:15 amOPO - DFW
2 stops21h 42mDelta
Mon 6/231:20 pmDFW - OPO
2 stops20h 10mDelta
Deal found 4/17$766
This Iberia deal was found by Cheapflights users on 4/17. 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.
Wed 6/118:15 amOPO - DFW
1 stop17h 55mIberia
Mon 6/239:20 amDFW - OPO
2 stops20h 20mIberia
Deal found 4/17$782
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Fri 5/211:05 amLIS - DFW
2 stops16h 14mAmerican Airlines
Sun 5/187:35 pmDFW - LIS
1 stop16h 20mAmerican Airlines
Deal found 4/15$783
This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:00 amOPO - DFW
2 stops21h 44mAir Canada
Mon 6/99:25 amDFW - OPO
1 stop18h 10mAir Canada
Deal found 4/17$790
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Thu 5/291:30 pmOPO - DFW
2 stops32h 53mMultiple Airlines
Mon 6/25:35 pmDFW - OPO
2 stops31h 10mMultiple Airlines
Deal found 4/17$800
This United Airlines deal was found by Cheapflights users on 4/17. 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 6/512:10 pmOPO - DFW
1 stop15h 34mUnited Airlines
Mon 6/911:28 amDFW - OPO
1 stop16h 17mUnited Airlines
Deal found 4/17$812
This United Airlines deal was found by Cheapflights users on 4/17. 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 5/155:05 amLIS - DFW
1 stop15h 00mUnited Airlines
Sun 5/258:00 pmDFW - LIS
1 stop33h 05mUnited Airlines
Deal found 4/17$830

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 April 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

Fri 5/2

8:50 am-4:15 am

2 stops25h 25m

Dallas/Fort Worth

Sun 5/18

8:00 pm-11:05 am

1 stop33h 05m

$723

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 8/28

6:35 am-4:10 pm

1 stop15h 35m

Dallas/Fort Worth

Sun 8/31

9:15 pm-11:05 pm

1 stop19h 50m

$727

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 5/2

7:20 am-4:20 pm

1 stop15h 00m

Dallas/Fort Worth

Sun 5/18

10:59 pm-11:05 pm

1 stop18h 06m

$740

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 4/28

5:40 am-1:35 pm

1 stop13h 55m

Dallas/Fort Worth

Wed 5/14

7:10 am-8:50 am

2 stops19h 40m

$751

PortoDallas

OPO - DFW

OPODFW

Porto

Sat 5/3

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

Wed 5/7

9:30 pm-10:25 am

1 stop30h 55m

$764

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 6/11

6:15 am-9:57 pm

2 stops21h 42m

Dallas/Fort Worth

Mon 6/23

1:20 pm-3:30 pm

2 stops20h 10m

$766

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 6/11

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

Mon 6/23

9:20 am-11:40 am

2 stops20h 20m

$782

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 5/2

11:05 am-9:19 pm

2 stops16h 14m

Dallas/Fort Worth

Sun 5/18

7:35 pm-5:55 pm

1 stop16h 20m

$783

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 6/5

6:00 am-9:44 pm

2 stops21h 44m

Dallas/Fort Worth

Mon 6/9

9:25 am-9:35 am

1 stop18h 10m

$790

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 5/29

1:30 pm-4:23 pm

2 stops32h 53m

Dallas/Fort Worth

Mon 6/2

5:35 pm-6:45 am

2 stops31h 10m

$800

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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, 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.

Rainfall in Dallas by month

Plan your trip to Dallas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

Temperature in Dallas by month

Plan your trip to Dallas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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 April 17, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Portugal to Dallas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,916 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines to fly from Portugal to Dallas one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $585. Turkish Airlines flights start at $658 while deals on Lufthansa start at $747 one-way.

  • 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

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Alternative routes for Portugal to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$790Average$890FlexibilityNo cancel feeOn-time71%

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