HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dallas

$316+ 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
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portugal to Dallas with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Round-trip from

$726
(Iberia)

One-way from

$316
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$897
From Portugal to Dallas
Search Deals
One-way flight from Portugal to Dallas
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Iberia deal was found by Cheapflights users on 4/30. 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.
Fri 5/308:15 amOPO - DFW
1 stop17h 55mIberia
Thu 6/59:40 pmDFW - OPO
1 stop12h 15mIberia
Deal found 4/30$726
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Mon 5/265:55 amLIS - DFW
2 stops32h 45mMultiple Airlines
Sun 6/85:35 pmDFW - LIS
2 stops35h 30mMultiple Airlines
Deal found 4/29$729
This Delta deal was found by Cheapflights users on 4/29. 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 6/911:40 amLIS - DFW
2 stops18h 37mDelta
Sun 6/223:50 pmDFW - LIS
1 stop13h 25mDelta
Deal found 4/29$752
This AirNGo deal was found by Cheapflights users on 4/30. 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 5/268:25 amLIS - DFW
1 stop17h 45mBritish Airways
Sun 6/83:15 pmDFW - LIS
1 stop25h 50mBritish Airways
Deal found 4/30$766
This British Airways deal was found by Cheapflights users on 4/29. 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 5/1012:20 pmOPO - DFW
1 stop13h 50mBritish Airways
Sun 5/187:35 pmDFW - OPO
1 stop18h 45mBritish Airways
Deal found 4/29$766
This KLM deal was found by Cheapflights users on 4/30. 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 6/116:15 amOPO - DFW
2 stops21h 30mKLM
Mon 6/236:32 pmDFW - OPO
2 stops17h 23mKLM
Deal found 4/30$773
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1012:20 pmOPO - DFW
1 stop13h 50mMultiple Airlines
Sun 5/189:30 pmDFW - OPO
1 stop16h 50mMultiple Airlines
Deal found 4/29$776
This Booking.com deal was found by Cheapflights users on 4/30. 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 5/306:00 amOPO - DFW
2 stops21h 44mAir Canada
Thu 6/58:00 pmDFW - OPO
2 stops55h 35mAir Canada
Deal found 4/30$796
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/156:35 amLIS - DFW
1 stop15h 30mAmerican Airlines
Sun 5/255:00 amDFW - LIS
1 stop22h 05mAmerican Airlines
Deal found 4/29$811
This Delta deal was found by Cheapflights users on 4/29. 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 5/286:15 amOPO - DFW
2 stops23h 21mDelta
Wed 6/41:27 pmDFW - OPO
2 stops20h 08mDelta
Deal found 4/29$814
This United Airlines deal was found by Cheapflights users on 4/29. 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 6/231:55 pmDFW - OPO
1 stop13h 50mUnited Airlines
Deal found 4/29$830
This Air France deal was found by Cheapflights users on 4/30. 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.
Wed 4/306:50 pmLIS - DFW
2 stops29h 11mAir France
Sun 5/43:50 pmDFW - LIS
1 stop20h 00mAir France
Deal found 4/30$945

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 May 1, 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

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 5/30

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

Thu 6/5

9:40 pm-3:55 pm

1 stop12h 15m

$726

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 5/26

5:55 am-8:40 am

2 stops32h 45m

Dallas/Fort Worth

Sun 6/8

5:35 pm-11:05 am

2 stops35h 30m

$729

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 6/9

11:40 am-12:17 am

2 stops18h 37m

Dallas/Fort Worth

Sun 6/22

3:50 pm-11:15 am

1 stop13h 25m

$752

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 5/26

8:25 am-8:10 pm

1 stop17h 45m

Dallas/Fort Worth

Sun 6/8

3:15 pm-11:05 pm

1 stop25h 50m

$766

PortoDallas

OPO - DFW

OPODFW

Porto

Sat 5/10

12:20 pm-8:10 pm

1 stop13h 50m

Dallas/Fort Worth

Sun 5/18

7:35 pm-8:20 pm

1 stop18h 45m

$766

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 6/11

6:15 am-9:45 pm

2 stops21h 30m

Dallas/Fort Worth

Mon 6/23

6:32 pm-5:55 pm

2 stops17h 23m

$773

PortoDallas

OPO - DFW

OPODFW

Porto

Sat 5/10

12:20 pm-8:10 pm

1 stop13h 50m

Dallas/Fort Worth

Sun 5/18

9:30 pm-8:20 pm

1 stop16h 50m

$776

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 5/30

6:00 am-9:44 pm

2 stops21h 44m

Dallas/Fort Worth

Thu 6/5

8:00 pm-9:35 am

2 stops55h 35m

$796

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 5/15

6:35 am-4:05 pm

1 stop15h 30m

Dallas/Fort Worth

Sun 5/25

5:00 am-9:05 am

1 stop22h 05m

$811

PortoDallas

OPO - DFW

OPODFW

Porto

Wed 5/28

6:15 am-11:36 pm

2 stops23h 21m

Dallas/Fort Worth

Wed 6/4

1:27 pm-3:35 pm

2 stops20h 08m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 40 results
1
2
3
4

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 May 1, 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
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

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 $578. Turkish Airlines flights start at $670 while deals on Iberia start at $708 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portugal to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Dallas/Fort Worth flights
Charles de Gaulle to Dallas/Fort Worth flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Hobby flights
Frankfurt to Hobby flights
Heathrow to George Bush Intcntl flights
Frankfurt to George Bush Intcntl flights
Heathrow to Austin flights
Charles de Gaulle to Love Field flights
Charles de Gaulle to Hobby flights
London City to Dallas/Fort Worth flights
Gatwick to Dallas/Fort Worth flights
Madrid to Dallas/Fort Worth flights
Gatwick to Hobby flights
Frankfurt to Love Field flights
Charles de Gaulle to George Bush Intcntl flights
Leonardo da Vinci/Fiumicino to Dallas/Fort Worth flights
London City to George Bush Intcntl flights
Heathrow to Love Field flights
Istanbul to Hobby flights
Gatwick to George Bush Intcntl flights
Amsterdam to Dallas/Fort Worth flights
Dublin to Dallas/Fort Worth flights
Frankfurt to Austin flights
Amsterdam to Hobby flights
Manchester to Hobby flights
Istanbul to George Bush Intcntl flights
Orly to Hobby flights
Barcelona-El Prat to Dallas/Fort Worth flights
Istanbul to Dallas/Fort Worth flights
Gatwick to Austin flights
Helsinki to Dallas/Fort Worth flights
Vicenza to Dallas/Fort Worth flights
Amsterdam to George Bush Intcntl flights
Duesseldorf Intl to Dallas/Fort Worth flights
Bruxelles-National to Hobby flights
Dublin to Hobby flights
Madrid to Love Field flights
Edinburgh to Dallas/Fort Worth flights
Madrid to Hobby flights
Barcelona-El Prat to Hobby flights
Manchester to George Bush Intcntl flights
Oslo Gardermoen to Dallas/Fort Worth flights
Manchester to Dallas/Fort Worth flights
Orly to George Bush Intcntl flights

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$808Average$888FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.