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$406+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheap 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 22, 2026.

This Mytrip deal was found by Cheapflights users on 3/21. 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 4/910:40 pm
LIS
-
DFW
3 stops30h 22m
Multiple Airlines
Wed 4/224:00 pm
DFW
-
LIS
1 stop24h 15m
Multiple Airlines
Deal found 3/21$782
This Mytrip deal was found by Cheapflights users on 3/21. 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 4/910:40 pm
LIS
-
DFW
3 stops30h 22m
Multiple Airlines
Sat 4/255:45 am
DFW
-
LIS
3 stops35h 45m
Multiple Airlines
Deal found 3/21$791
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Tue 4/1410:00 pm
LIS
-
DFW
3 stops31h 09m
Multiple Airlines
Sun 4/195:45 am
DFW
-
LIS
3 stops33h 20m
Multiple Airlines
Deal found 3/22$812
This deal was found by Cheapflights users on 3/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3112:20 pm
LIS
-
DFW
1 stop14h 08m
United Airlines
Tue 4/75:22 pm
DFW
-
LIS
1 stop11h 08m
United Airlines
Deal found 3/17$826
This Mytrip deal was found by Cheapflights users on 3/18. 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 5/86:00 am
LIS
-
DFW
3 stops35h 54m
Multiple Airlines
Tue 5/1911:10 am
DFW
-
LIS
2 stops28h 35m
Multiple Airlines
Deal found 3/18$839
This Mytrip deal was found by Cheapflights users on 3/21. 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 4/168:40 pm
OPO
-
DFW
3 stops25h 46m
Multiple Airlines
Mon 4/207:00 am
DFW
-
OPO
3 stops32h 55m
Multiple Airlines
Deal found 3/21$840
This Mytrip deal was found by Cheapflights users on 3/20. 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 4/167:00 am
OPO
-
DFW
3 stops32h 16m
Multiple Airlines
Tue 4/215:45 am
DFW
-
OPO
3 stops28h 40m
Multiple Airlines
Deal found 3/20$853
This Mytrip deal was found by Cheapflights users on 3/20. 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.
Tue 5/510:00 pm
LIS
-
DFW
3 stops31h 09m
Multiple Airlines
Tue 5/1212:25 pm
DFW
-
LIS
2 stops16h 25m
Multiple Airlines
Deal found 3/20$854
This Mytrip deal was found by Cheapflights users on 3/19. 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 4/910:40 pm
LIS
-
DFW
3 stops30h 22m
Multiple Airlines
Sun 4/194:00 pm
DFW
-
LIS
1 stop24h 15m
Multiple Airlines
Deal found 3/19$860
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sun 5/36:00 pm
LIS
-
DFW
1 stop21h 16m
Multiple Airlines
Sun 5/109:33 am
DFW
-
LIS
1 stop14h 22m
Multiple Airlines
Deal found 3/19$868
This United Airlines deal was found by Cheapflights users on 3/17. 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 4/96:00 am
OPO
-
DFW
2 stops23h 04m
United Airlines
Mon 4/137:15 am
DFW
-
OPO
1 stop20h 30m
United Airlines
Deal found 3/17$895
This Lufthansa deal was found by Cheapflights users on 3/17. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
OPO
-
DFW
2 stops23h 04m
Lufthansa
Mon 4/1312:26 pm
DFW
-
OPO
2 stops21h 14m
Lufthansa
Deal found 3/17$900

Find 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 22, 2026.

Round-trip from

$782
(Mytrip)

One-way from

$406
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$820
From Portugal to Dallas
Search Deals
One-way flight from Portugal to Dallas
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 22, 2026.
Use the filters below to find and compare flights from Portugal to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 4/30

7:00 am-9:12 pm

2 stops20h 12m

Dallas/Fort Worth

Mon 5/4

11:16 am-3:50 pm

2 stops22h 34m

$883

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 4/9

6:00 am-11:04 pm

2 stops23h 04m

Dallas/Fort Worth

Mon 4/13

7:15 am-9:45 am

1 stop20h 30m

$895

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 4/2

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

Wed 4/15

7:15 am-8:20 am

1 stop19h 05m

$898

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 4/9

6:00 am-11:04 pm

2 stops23h 04m

Dallas/Fort Worth

Mon 4/13

12:26 pm-3:40 pm

2 stops21h 14m

$900

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 4/9

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Mon 4/13

3:45 pm-3:25 pm

1 stop17h 40m

$902

PortoDallas

OPO - DFW

OPODFW

Porto

Thu 4/9

5:55 am-1:35 pm

1 stop13h 40m

Dallas/Fort Worth

Mon 4/13

3:45 pm-3:25 pm

1 stop17h 40m

$905

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 4/23

7:25 am-11:04 pm

2 stops21h 39m

Dallas/Fort Worth

Mon 4/27

7:25 am-10:30 am

1 stop21h 05m

$907

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 4/4

5:00 am-8:59 pm

2 stops21h 59m

Dallas/Fort Worth

Mon 4/20

8:00 am-8:50 am

2 stops18h 50m

$912

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Thu 4/2

11:55 am-12:27 am

2 stops18h 32m

Dallas/Fort Worth

Wed 4/15

3:45 pm-11:15 am

1 stop13h 30m

$915

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 4/8

12:30 pm-8:10 pm

1 stop13h 40m

Dallas/Fort Worth

Sat 4/18

10:59 pm-11:10 pm

1 stop18h 11m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 57 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Portugal to Dallas (average of $523). Flying from Portugal to Dallas in July is currently the most expensive (average of $882). 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.

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?

    Scandinavian Airlines, United Airlines, and Lufthansa can get you from Portugal to Dallas in just under 20h 12m. Your travel time can differ by up to 2h 52m. The distance between Portugal and Dallas is about 4740 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $500. Iberia flights start at $518 while deals on British Airways start at $560 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, June is the cheapest month in which you can book a flight from Portugal to Dallas (average of $523). Flying from Portugal to Dallas in July is currently the most expensive (average of $882). 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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