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$367+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — DFW
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:40 pm
LIS
-
DFW
2 stops43h 11m
Multiple Airlines
Sat 3/215:15 pm
DFW
-
LIS
1 stop24h 35m
Multiple Airlines
Deal found 1/27$696
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:35 pm
LIS
-
DFW
2 stops53h 59m
Multiple Airlines
Wed 2/187:39 am
DFW
-
LIS
1 stop15h 46m
Multiple Airlines
Deal found 1/28$719
This Finnair deal was found by Cheapflights users on 1/27. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:30 am
LIS
-
DFW
1 stop15h 00m
Multiple Airlines
Fri 3/209:25 pm
DFW
-
LIS
1 stop20h 00m
Multiple Airlines
Deal found 1/27$726
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/56:30 am
LIS
-
DFW
1 stop16h 30m
American Airlines
Mon 2/93:45 pm
DFW
-
LIS
1 stop17h 10m
American Airlines
Deal found 1/26$727
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:30 am
LIS
-
DFW
1 stop16h 30m
American Airlines
Wed 2/189:15 pm
DFW
-
LIS
1 stop14h 25m
American Airlines
Deal found 1/28$731
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/110:35 pm
LIS
-
DFW
2 stops37h 26m
Multiple Airlines
Mon 4/279:45 pm
DFW
-
LIS
1 stop12h 20m
Multiple Airlines
Deal found 1/27$732
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:40 pm
OPO
-
DFW
1 stop14h 50m
Multiple Airlines
Sun 2/153:45 pm
DFW
-
OPO
1 stop18h 55m
Multiple Airlines
Deal found 1/28$732
This Gurufare deal was found by Cheapflights users on 1/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:25 am
LIS
-
DFW
1 stop17h 45m
Multiple Airlines
Sat 4/2510:59 pm
DFW
-
LIS
1 stop18h 11m
Multiple Airlines
Deal found 1/27$735
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:55 am
LIS
-
DFW
1 stop13h 45m
British Airways
Wed 2/188:30 pm
DFW
-
LIS
1 stop33h 40m
British Airways
Deal found 1/27$736
This British Airways deal was found by Cheapflights users on 1/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:25 pm
OPO
-
DFW
1 stop13h 45m
Iberia
Thu 10/229:45 pm
DFW
-
OPO
1 stop12h 15m
Iberia
Deal found 1/27$744
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 10/178:20 am
OPO
-
DFW
2 stops16h 30m
American Airlines
Thu 10/225:00 am
DFW
-
OPO
2 stops20h 40m
American Airlines
Deal found 1/27$749
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/412:25 pm
OPO
-
DFW
2 stops25h 23m
American Airlines
Sat 2/77:39 pm
DFW
-
OPO
2 stops30h 01m
American Airlines
Deal found 1/27$753

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 January 29, 2026.

Round-trip from

$696
(Kiwi.com)

One-way from

$367
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$880
From Portugal to Dallas
Search Deals
One-way flight from Portugal to Dallas
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
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

Sat 3/14

5:40 pm-7:51 am

2 stops43h 11m

Dallas/Fort Worth

Sat 3/21

5:15 pm-10:50 pm

1 stop24h 35m

$696

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 3/13

6:30 am-4:30 pm

1 stop15h 00m

Dallas/Fort Worth

Fri 3/20

9:25 pm-10:25 pm

1 stop20h 00m

$726

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 4/1

10:35 pm-6:01 am

2 stops37h 26m

Dallas/Fort Worth

Mon 4/27

9:45 pm-4:05 pm

1 stop12h 20m

$732

PortoDallas

OPO - DFW

OPODFW

Porto

Mon 2/9

8:40 pm-5:30 am

1 stop14h 50m

Dallas/Fort Worth

Sun 2/15

3:45 pm-4:40 pm

1 stop18h 55m

$732

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 4/18

8:25 am-8:10 pm

1 stop17h 45m

Dallas/Fort Worth

Sat 4/25

10:59 pm-11:10 pm

1 stop18h 11m

$735

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 5/13

8:55 am-8:10 pm

1 stop17h 15m

Dallas/Fort Worth

Sun 5/17

8:50 pm-11:05 pm

1 stop20h 15m

$737

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Fri 3/13

11:05 am-10:35 pm

2 stops16h 30m

Dallas/Fort Worth

Fri 3/20

8:42 am-8:45 am

1 stop19h 03m

$756

PortoDallas

OPO - DFW

OPODFW

Porto

Fri 4/24

12:25 pm-8:10 pm

1 stop13h 45m

Dallas/Fort Worth

Wed 5/6

4:26 pm-4:00 pm

2 stops17h 34m

$764

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Wed 5/13

8:55 am-8:10 pm

1 stop17h 15m

Dallas/Fort Worth

Sun 5/17

2:40 pm-11:25 pm

2 stops26h 45m

$765

LisbonDallas

LIS - DFW

LISDFW

Lisbon Humberto Delgado

Sat 4/18

6:35 am-7:28 pm

2 stops18h 53m

Dallas/Fort Worth

Sat 4/25

12:49 pm-11:50 am

2 stops17h 01m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 44 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, 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 $893). 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?

    Iberia, Delta, and KLM can get you from Portugal to Dallas in just under 13h 45m. Your travel time can differ by up to 10h 34m. The distance between Portugal and Dallas is about 4688 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 $554 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, 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 $893). 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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