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$369+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$713
(Mytrip)

One-way from

$369
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$994
From Portugal to Dallas
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One-way flight from Portugal to Dallas
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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 9/48:50 amOPO - DFW
2 stops45h 21mMultiple Airlines
Sun 9/78:10 amDFW - OPO
2 stops33h 00mMultiple Airlines
Deal found 6/11$713
This Rumbo deal was found by Cheapflights users on 6/12. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:15 amOPO - DFW
1 stop17h 55mIberia
Thu 10/29:33 amDFW - OPO
2 stops16h 02mIberia
Deal found 6/12$724
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/412:20 pmOPO - DFW
1 stop13h 50mAmerican Airlines
Sun 9/73:22 pmDFW - OPO
2 stops14h 18mAmerican Airlines
Deal found 6/11$728
This Delta deal was found by Cheapflights users on 6/12. 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 6/196:30 amOPO - DFW
2 stops23h 47mDelta
Tue 6/244:25 pmDFW - OPO
2 stops20h 50mDelta
Deal found 6/12$732
This AirNGo deal was found by Cheapflights users on 6/12. 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.
Thu 6/194:20 pmOPO - DFW
1 stop27h 15mKLM
Tue 6/2411:15 amDFW - OPO
2 stops17h 25mKLM
Deal found 6/12$761
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2311:35 amLIS - DFW
2 stops34h 59mMultiple Airlines
Tue 7/811:10 amDFW - LIS
1 stop16h 55mMultiple Airlines
Deal found 6/10$796
This United Airlines deal was found by Cheapflights users on 6/12. 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 6/1912:10 pmOPO - DFW
1 stop15h 35mUnited Airlines
Tue 6/246:00 amDFW - OPO
1 stop19h 45mUnited Airlines
Deal found 6/12$818
This Delta deal was found by Cheapflights users on 6/10. 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 6/2311:40 amLIS - DFW
2 stops18h 37mDelta
Tue 7/81:18 pmDFW - LIS
2 stops15h 57mDelta
Deal found 6/10$835
This flugladen.de deal was found by Cheapflights users on 6/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2312:45 pmLIS - DAL
2 stops17h 14mAir France
Tue 7/84:00 pmDAL - LIS
2 stops16h 50mAir France
Deal found 6/10$869
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/711:05 amLIS - DFW
1 stop18h 54mAmerican Airlines
Thu 11/69:15 pmDFW - LIS
1 stop14h 45mAmerican Airlines
Deal found 6/11$872
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:35 amLIS - DFW
1 stop19h 35mIberia
Tue 7/159:40 pmDFW - LIS
1 stop19h 45mIberia
Deal found 6/10$888
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/96:45 amLIS - DFW
2 stops20h 49mUnited Airlines
Wed 11/122:16 pmDFW - LIS
2 stops13h 59mUnited Airlines
Deal found 6/11$1,001

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 June 12, 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

Thu 9/4

8:50 am-12:11 am

2 stops45h 21m

Dallas/Fort Worth

Sun 9/7

8:10 am-11:10 pm

2 stops33h 00m

$713

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 9/19

8:15 am-8:10 pm

1 stop17h 55m

Dallas/Fort Worth

Thu 10/2

9:33 am-7:35 am

2 stops16h 02m

$724

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 9/4

12:20 pm-8:10 pm

1 stop13h 50m

Dallas/Fort Worth

Sun 9/7

3:22 pm-11:40 am

2 stops14h 18m

$728

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 6/23

11:35 am-4:34 pm

2 stops34h 59m

Dallas/Fort Worth

Tue 7/8

11:10 am-10:05 am

1 stop16h 55m

$796

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Mon 6/23

11:40 am-12:17 am

2 stops18h 37m

Dallas/Fort Worth

Tue 7/8

1:18 pm-11:15 am

2 stops15h 57m

$835

LisbonDallas

LIS - DAL

LISDAL

Lisbon Humberto Delgado

Mon 6/23

12:45 pm-11:59 pm

2 stops17h 14m

Dallas Love Field

Tue 7/8

4:00 pm-2:50 pm

2 stops16h 50m

$869

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 8/7

11:05 am-11:59 pm

1 stop18h 54m

Dallas/Fort Worth

Thu 11/6

9:15 pm-6:00 pm

1 stop14h 45m

$872

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Tue 7/8

6:35 am-8:10 pm

1 stop19h 35m

Dallas/Fort Worth

Tue 7/15

9:40 pm-11:25 pm

1 stop19h 45m

$888

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 7/9

6:45 am-9:34 pm

2 stops20h 49m

Dallas/Fort Worth

Wed 11/12

2:16 pm-10:15 am

2 stops13h 59m

$1,001

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 7/9

5:00 am-4:40 pm

2 stops17h 40m

Dallas/Fort Worth

Thu 11/13

7:00 am-8:00 am

1 stop19h 00m

$1,010

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 35 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 June 12, 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
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Turkish Airlines, which is currently one of the cheapest options available, starting at $684. Iberia flights start at $781 while deals on Finnair start at $906 one-way.

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

    Most travelers choose Lisbon Humberto Delgado - Dallas/Fort Worth, Porto - Dallas/Fort Worth or Lisbon Humberto Delgado - Dallas Love Field 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$790Average$879FlexibilityNo cancel feeOn-time71%

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