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Portugal

$312+ Cheap flights from Dallas to Portugal

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Dallas to Portugal

Cheapest flights from Dallas to Portugal
Explore the most affordable flight options available from Dallas to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:00 pm
DFW
-
LIS
1 stop24h 10m
Lufthansa
Tue 4/215:05 am
LIS
-
DFW
2 stops19h 20m
Lufthansa
Deal found 3/21$619
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Tue 4/214:00 pm
DFW
-
LIS
1 stop24h 10m
Lufthansa
Tue 4/285:05 am
LIS
-
DFW
2 stops23h 59m
Lufthansa
Deal found 3/24$624
This AirNGo 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:45 pm
DFW
-
LIS
1 stop14h 20m
Finnair
Wed 11/184:10 pm
LIS
-
DFW
1 stop29h 00m
Finnair
Deal found 3/21$642
This Booking.com deal was found by Cheapflights users on 3/24. 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.
Mon 10/2610:15 pm
DFW
-
LIS
1 stop15h 40m
Multiple Airlines
Mon 11/94:10 pm
LIS
-
DFW
1 stop29h 25m
Multiple Airlines
Deal found 3/24$645
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:30 am
DFW
-
LIS
1 stop17h 35m
Multiple Airlines
Fri 4/178:25 am
LIS
-
DFW
1 stop17h 45m
Multiple Airlines
Deal found 3/23$646
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:50 pm
DFW
-
LIS
1 stop14h 00m
Multiple Airlines
Thu 11/264:10 pm
LIS
-
DFW
1 stop29h 25m
Multiple Airlines
Deal found 3/22$648
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:25 am
DFW
-
LIS
1 stop21h 05m
United Airlines
Tue 4/285:05 am
LIS
-
DFW
1 stop15h 10m
United Airlines
Deal found 3/20$650
This American Airlines deal was found by Cheapflights users on 3/24. 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 4/298:55 pm
DFW
-
LIS
1 stop15h 00m
American Airlines
Tue 5/58:25 am
LIS
-
DFW
1 stop17h 45m
American Airlines
Deal found 3/24$651
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:55 pm
DFW
-
LIS
1 stop15h 00m
Multiple Airlines
Tue 4/2812:30 pm
LIS
-
DFW
1 stop13h 40m
Multiple Airlines
Deal found 3/22$652
This Iberia deal was found by Cheapflights users on 3/24. 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.
Sun 4/1210:59 pm
DFW
-
LIS
1 stop18h 06m
Multiple Airlines
Tue 4/288:25 am
LIS
-
DFW
1 stop17h 45m
Multiple Airlines
Deal found 3/24$653
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/299:30 pm
DFW
-
OPO
1 stop36h 20m
Turkish Airlines
Tue 4/144:50 pm
OPO
-
DFW
1 stop32h 45m
Turkish Airlines
Deal found 3/21$660
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/302:30 pm
DFW
-
OPO
1 stop19h 20m
Turkish Airlines
Thu 4/1611:00 am
OPO
-
DFW
1 stop38h 35m
Turkish Airlines
Deal found 3/23$664

Find flight deals from Dallas to Portugal

Keep the following information in mind while searching for Dallas to Portugal flight deals. Data was last updated March 24, 2026.

Round-trip from

$619
(Kiwi.com)

One-way from

$312
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$723
From Dallas to Portugal
Search Deals
One-way flight from Dallas to Portugal
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 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 Dallas to Portugal 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 24, 2026.
Use the filters below to find and compare flights from Dallas to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 4/20

9:45 pm-11:25 pm

1 stop19h 40m

Lisbon Humberto Delgado

Mon 4/27

4:35 pm-3:05 pm

1 stop28h 30m

$659

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 8/17

7:40 pm-3:45 pm

1 stop14h 05m

Lisbon Humberto Delgado

Mon 8/24

4:35 pm-3:05 pm

1 stop28h 30m

$708

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 5/8

5:20 pm-11:25 pm

1 stop24h 05m

Lisbon Humberto Delgado

Fri 5/15

6:35 am-8:10 pm

1 stop19h 35m

$726

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 5/3

4:45 pm-12:40 pm

1 stop13h 55m

Funchal Madeira

Mon 5/18

6:55 pm-5:05 pm

1 stop28h 10m

$749

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 5/4

9:45 pm-12:55 pm

1 stop33h 10m

Funchal Madeira

Mon 5/11

1:20 pm-8:10 pm

1 stop36h 50m

$803

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/4

3:45 pm-10:00 pm

1 stop24h 15m

Porto

Wed 5/20

5:55 am-5:42 pm

2 stops17h 47m

$819

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 4/20

7:25 am-9:45 am

2 stops20h 20m

Porto

Sun 4/26

12:10 pm-8:28 pm

2 stops38h 18m

$830

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 4/18

4:17 pm-11:20 pm

2 stops25h 03m

Lisbon Humberto Delgado

Fri 5/1

11:00 am-10:53 pm

2 stops41h 53m

$845

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 5/4

3:53 pm-3:25 pm

2 stops17h 32m

Porto

Wed 5/20

5:55 am-5:58 pm

2 stops18h 03m

$847

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 4/8

9:35 am-9:45 am

2 stops18h 10m

Porto

Tue 4/14

6:00 am-11:04 pm

2 stops23h 04m

$860

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dallas to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Dallas 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 Dallas to Portugal

What is the cheapest month to book a flight from Dallas to Portugal?

Currently, December is the cheapest month in which you can book a flight from Dallas to Portugal (average of $414). Flying from Dallas to Portugal in June is currently the most expensive (average of $733). 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.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated March 24, 2026.
See what other customers who have flown with Delta,Finnair, andUnited Airlines from Dallas to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,321 reviews

Overall

7.9

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,321 reviews
Delta
7.9
Good
8,321 reviews

Overall

7.9

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Finnair
7.7
Good
1,374 reviews
Delta
7.9
Good
8,321 reviews

Overall

7.9

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,470 reviews
Delta
7.9
Good
8,321 reviews

Overall

7.9

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,491 reviews
Delta
7.9
Good
8,321 reviews

Overall

7.9

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,813 reviews
Delta
7.9
Good
8,321 reviews

Overall

7.9

Food

7.2

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dallas to Portugal. 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 Dallas to Portugal?

    For as low as $659, Finnair can have you in Portugal from Dallas in 19h 40m. Airlines will cover a distance of 4740 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $233. Brussels Airlines flights start at $235 while deals on American Airlines start at $237 one-way.

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

    While some choose either Dallas Love Field - Lisbon Humberto Delgado or Dallas/Fort Worth - Porto, Dallas/Fort Worth - Lisbon Humberto Delgado is the most popular route from Dallas to Portugal.

  • Can I find deals for flights from Dallas to Portugal that include hotel bookings?

    Yes. In addition to deals on Dallas to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas to Portugal.

  • Can I find deals for business class flights from Dallas to Portugal?

    Yes. Cheapflights offers flight deals from Dallas to Portugal 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 Dallas to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Dallas to Portugal (average of $414). Flying from Dallas to Portugal in June is currently the most expensive (average of $733). 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

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Top 10 airlines flying from Dallas to Portugal

Discover the top 10 airlines that operate flights from Dallas to Portugal. 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$460Average$770FlexibilityNo cancel feeOn-time76%
IberiaCheapest$494Average$797FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$497Average$690FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$498Average$804FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$518Average$701FlexibilityNo cancel feeOn-time77%
DeltaCheapest$521Average$798FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$524Average$773FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$531Average$910FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$555Average$787FlexibilityNo cancel feeOn-time67%
KLMCheapest$603Average$728FlexibilityNo cancel feeOn-time75%

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