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$334+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$716
(Mytrip)

One-way from

$334
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$798
From Portugal to Dallas
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One-way flight from Portugal to Dallas
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($21 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 March 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 March 28, 2025.

This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/311:05 amLIS - DFW
1 stop16h 45mBritish Airways
Fri 4/189:20 pmDFW - LIS
1 stop14h 45mBritish Airways
Deal found 3/27$700
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/311:05 amLIS - DFW
2 stops17h 41mAmerican Airlines
Fri 4/1810:59 pmDFW - LIS
1 stop18h 11mAmerican Airlines
Deal found 3/27$703
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:55 amLIS - DFW
3 stops29h 45mMultiple Airlines
Sun 5/188:00 pmDFW - LIS
1 stop33h 05mMultiple Airlines
Deal found 3/27$716
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/118:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Mon 6/2312:20 pmDFW - OPO
2 stops17h 20mAmerican Airlines
Deal found 3/27$717
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/45:40 amLIS - DFW
1 stop13h 55mDelta
Tue 6/37:10 amDFW - LIS
1 stop18h 50mDelta
Deal found 3/27$719
This AirNGo deal was found by Cheapflights users on 3/27. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1412:20 pmOPO - DFW
1 stop13h 50mBritish Airways
Mon 4/216:55 pmDFW - OPO
2 stops18h 55mBritish Airways
Deal found 3/27$728
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/146:35 amOPO - DFW
2 stops21h 15mDelta
Mon 4/219:53 amDFW - OPO
2 stops18h 47mDelta
Deal found 3/27$768
This United Airlines deal was found by Cheapflights users on 3/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/412:50 pmLIS - DFW
2 stops33h 12mUnited Airlines
Tue 6/310:37 amDFW - LIS
2 stops17h 53mUnited Airlines
Deal found 3/28$782
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/119:35 amOPO - DFW
1 stop14h 29mUnited Airlines
Mon 6/239:25 amDFW - OPO
1 stop18h 10mUnited Airlines
Deal found 3/27$833
This Aeromexico deal was found by Cheapflights users on 3/28. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:50 pmLIS - DAL
2 stops32h 53mAir France
Sat 6/78:37 amDAL - LIS
2 stops17h 23mAir France
Deal found 3/28$895
This lol.travel deal was found by Cheapflights users on 3/27. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:55 amLIS - DFW
1 stop36h 50mTurkish Airlines
Tue 8/128:55 pmDFW - LIS
1 stop20h 40mTurkish Airlines
Deal found 3/27$907
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/155:55 amLIS - DFW
2 stops46h 55mSWISS
Thu 5/222:20 pmDFW - LIS
2 stops21h 00mSWISS
Deal found 3/27$987

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 March 28, 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 5/11

5:55 am-5:40 am

3 stops29h 45m

Dallas/Fort Worth

Sun 5/18

8:00 pm-11:05 am

1 stop33h 05m

$716

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 6/11

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

Mon 6/23

12:20 pm-11:40 am

2 stops17h 20m

$717

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 4/7

11:40 am-11:57 pm

2 stops18h 17m

Dallas/Fort Worth

Sat 6/7

12:00 pm-8:00 am

1 stop14h 00m

$720

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 4/14

12:20 pm-8:10 pm

1 stop13h 50m

Dallas/Fort Worth

Mon 4/21

6:55 pm-7:50 pm

2 stops18h 55m

$728

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 5/15

8:45 pm-8:10 pm

1 stop29h 25m

Dallas/Fort Worth

Sun 5/25

10:59 pm-11:00 pm

1 stop18h 01m

$738

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 4/14

6:35 am-9:50 pm

2 stops21h 15m

Dallas/Fort Worth

Mon 4/21

9:53 am-10:40 am

2 stops18h 47m

$768

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 5/15

6:15 am-11:46 pm

2 stops23h 31m

Dallas/Fort Worth

Sun 5/25

12:15 pm-10:30 am

1 stop16h 15m

$805

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 6/11

9:35 am-6:04 pm

1 stop14h 29m

Dallas/Fort Worth

Mon 6/23

9:25 am-9:35 am

1 stop18h 10m

$833

LisbonDallas

LIS - DAL

LISDAL

Lisbon Humberto Delgado

Mon 4/7

6:50 pm-9:43 pm

2 stops32h 53m

Dallas Love Field

Sat 6/7

8:37 am-8:00 am

2 stops17h 23m

$895

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 8/5

5:55 am-12:45 pm

1 stop36h 50m

Dallas/Fort Worth

Tue 8/12

8:55 pm-11:35 pm

1 stop20h 40m

$907

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 34 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 March 28, 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
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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
1,267 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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
1,570 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

8.0

Boarding

8.2

Crew

8.5

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 $574. Scandinavian Airlines flights start at $588 while deals on Turkish Airlines start at $637 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

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$790Average$893FlexibilityNo cancel feeOn-time71%
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