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$461+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
jun. 5 — jun. 121
vie. 6/5
vie. 6/12
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 mayo 6, 2026.

This deal was found by Cheapflights users on 5/1. 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.
mié. 9/212:20 pm
LIS
-
DFW
1 stop14h 05m
United Airlines
mié. 9/305:25 pm
DFW
-
LIS
1 stop11h 05m
United Airlines
Deal found 5/1$849
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/36:55 pm
LIS
-
DFW
1 stop24h 15m
British Airways
sáb. 10/1710:59 pm
DFW
-
LIS
1 stop18h 11m
British Airways
Deal found 4/30$909
This British Airways deal was found by Cheapflights users on 5/2. 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.
sáb. 10/36:55 pm
LIS
-
DFW
1 stop26h 25m
British Airways
vie. 10/167:40 pm
DFW
-
LIS
1 stop16h 20m
British Airways
Deal found 5/2$913
This Rumbo deal was found by Cheapflights users on 5/2. 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.
sáb. 10/36:55 pm
LIS
-
DFW
1 stop24h 15m
Multiple Airlines
sáb. 10/177:40 pm
DFW
-
LIS
1 stop14h 40m
Multiple Airlines
Deal found 5/2$914
This British Airways deal was found by Cheapflights users on 5/4. 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.
jue. 5/287:55 pm
OPO
-
DFW
1 stop24h 20m
Multiple Airlines
mar. 6/210:59 am
DFW
-
OPO
2 stops14h 41m
Multiple Airlines
Deal found 5/4$950
This Gotogate deal was found by Cheapflights users on 5/3. 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.
jue. 5/215:05 am
LIS
-
DFW
1 stop15h 10m
Lufthansa
jue. 6/44:00 pm
DFW
-
LIS
1 stop24h 10m
Lufthansa
Deal found 5/3$958
This United Airlines deal was found by Cheapflights users on 5/1. 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.
jue. 5/216:00 am
OPO
-
DFW
2 stops22h 31m
United Airlines
mié. 5/271:00 pm
DFW
-
OPO
1 stop11h 55m
United Airlines
Deal found 5/1$958
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/35:05 am
LIS
-
DFW
1 stop14h 30m
United Airlines
sáb. 10/177:00 am
DFW
-
LIS
2 stops19h 20m
United Airlines
Deal found 4/30$960
This United Airlines deal was found by Cheapflights users on 5/5. 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.
jue. 5/215:05 am
LIS
-
DFW
1 stop15h 10m
United Airlines
vie. 6/56:00 am
DFW
-
LIS
1 stop20h 20m
United Airlines
Deal found 5/5$961
This United Airlines deal was found by Cheapflights users on 5/4. 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.
jue. 5/215:05 am
LIS
-
DFW
1 stop15h 10m
United Airlines
jue. 6/46:00 am
DFW
-
LIS
1 stop20h 20m
United Airlines
Deal found 5/4$962
This Delta deal was found by Cheapflights users on 5/1. 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.
lun. 6/155:00 am
OPO
-
DFW
2 stops18h 37m
Delta
lun. 6/224:51 pm
DFW
-
OPO
2 stops16h 34m
Delta
Deal found 5/1$964
This KLM deal was found by Cheapflights users on 5/5. 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.
jue. 5/215:55 am
OPO
-
DFW
1 stop13h 40m
KLM
mié. 5/273:45 pm
DFW
-
OPO
1 stop17h 40m
KLM
Deal found 5/5$966

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 mayo 6, 2026.

Round-trip from

$950
(British Airways)

One-way from

$463
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$907
From Portugal to Dallas
Search Deals
One-way flight from Portugal to Dallas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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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 mayo 6, 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

PortoDallas

OPO - DFW

OPODFW

Porto

jue. 5/21

6:00 am-8:25 pm

2 stops20h 25m

Dallas/Fort Worth

mié. 5/27

7:00 am-6:55 am

2 stops17h 55m

$958

PortoDallas

OPO - DFW

OPODFW

Porto

lun. 6/15

6:00 am-3:48 pm

2 stops39h 48m

Dallas/Fort Worth

lun. 6/22

4:54 pm-6:15 am

1 stop31h 21m

$958

PortoDallas

OPO - DFW

OPODFW

Porto

vie. 5/29

6:00 am-6:48 pm

2 stops18h 48m

Dallas/Fort Worth

vie. 6/5

7:15 am-6:55 am

1 stop17h 40m

$958

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

lun. 5/18

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

dom. 5/31

6:00 am-8:20 am

1 stop20h 20m

$961

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

jue. 5/21

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

vie. 6/5

6:00 am-8:20 am

1 stop20h 20m

$961

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

mar. 6/2

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

sáb. 6/13

6:01 am-8:20 am

1 stop20h 19m

$962

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

jue. 5/21

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

jue. 6/4

6:00 am-8:20 am

1 stop20h 20m

$963

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

mié. 5/27

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

lun. 6/8

6:00 am-8:20 am

1 stop20h 20m

$963

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

dom. 5/17

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

sáb. 5/30

7:15 am-8:20 am

1 stop19h 05m

$964

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

mié. 5/27

5:05 am-2:15 pm

1 stop15h 10m

Dallas/Fort Worth

lun. 6/8

4:00 pm-10:15 pm

1 stop24h 15m

$966

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 49 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, May is the cheapest month in which you can book a flight from Portugal to Dallas (average of $313). Flying from Portugal to Dallas in June is currently the most expensive (average of $793). 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?

    United Airlines, KLM, and Virgin Atlantic can get you from Portugal to Dallas in just under 17h 10m. Your travel time can differ by up to 3h 15m. The distance between Portugal and Dallas is about 4733 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 $534 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, 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, May is the cheapest month in which you can book a flight from Portugal to Dallas (average of $313). Flying from Portugal to Dallas in June is currently the most expensive (average of $793). 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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