HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$233+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dallas to Portugal

Keep the following information in mind while searching for Dallas to Portugal flight deals. Data was last updated August 14, 2025.

Round-trip from

$636
(Cheapflightsfares)

One-way from

$233
(Gurufare)

Popular in

June

Cheapest in

February

Average price

$713
From Dallas to Portugal
Search Deals
One-way flight from Dallas to Portugal
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($98 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 August 2025
Search Deals

Find 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 August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/11. 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.
Mon 10/139:45 pmDFW - OPO
1 stop16h 10mAmerican Airlines
Sun 10/198:15 amOPO - DFW
2 stops16h 35mAmerican Airlines
Deal found 8/11$635
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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.
Wed 12/317:05 amDFW - OPO
2 stops29h 30mAir Canada
Wed 1/76:00 amOPO - DFW
2 stops21h 32mAir Canada
Deal found 8/13$636
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:25 pmDFW - LIS
2 stops22h 25mLufthansa
Mon 11/106:10 amLIS - DFW
2 stops38h 15mLufthansa
Deal found 8/11$637
This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/213:45 pmDFW - LIS
2 stops35h 10mMultiple Airlines
Tue 12/25:00 amLIS - DFW
2 stops22h 32mMultiple Airlines
Deal found 8/12$639
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:05 amDFW - LIS
1 stop19h 55mDelta
Wed 11/510:00 amLIS - DFW
1 stop19h 26mDelta
Deal found 8/11$640
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:56 pmDFW - LIS
1 stop14h 44mMultiple Airlines
Thu 11/61:15 pmLIS - DFW
2 stops27h 16mMultiple Airlines
Deal found 8/11$641
This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:05 amDFW - OPO
2 stops23h 45mMultiple Airlines
Tue 11/256:00 amOPO - DFW
2 stops21h 32mMultiple Airlines
Deal found 8/12$641
This Iberia deal was found by Cheapflights users on 8/13. 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.
Fri 11/149:15 pmDFW - OPO
1 stop16h 00mMultiple Airlines
Fri 11/218:20 amOPO - DFW
1 stop14h 40mMultiple Airlines
Deal found 8/13$642
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:04 pmDFW - LIS
2 stops35h 51mScandinavian Airlines
Fri 11/74:55 pmLIS - DFW
2 stops36h 40mScandinavian Airlines
Deal found 8/11$643
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:56 pmDAL - LIS
2 stops35h 59mScandinavian Airlines
Fri 11/74:55 pmLIS - DAL
2 stops37h 00mScandinavian Airlines
Deal found 8/11$643
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 11/149:58 amDFW - OPO
2 stops17h 32mUnited Airlines
Fri 11/2112:35 pmOPO - DFW
1 stop16h 09mUnited Airlines
Deal found 8/13$643
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:05 amDFW - LIS
1 stop19h 55mDelta
Fri 11/710:00 amLIS - DFW
2 stops19h 59mDelta
Deal found 8/11$644

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 August 14, 2025.
Use the filters below to find and compare flights from Dallas to Portugal that are best for you.

Fly from

Dallas

Fly to

Portugal

Route

Depart

Return

Price

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Wed 12/31

7:05 am-6:35 pm

2 stops29h 30m

Porto

Wed 1/7

6:00 am-9:32 pm

2 stops21h 32m

$636

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 10/31

7:25 pm-10:50 pm

2 stops22h 25m

Lisbon Humberto Delgado

Mon 11/10

6:10 am-2:25 pm

2 stops38h 15m

$637

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 11/3

5:10 pm-2:55 pm

1 stop15h 45m

Lisbon Humberto Delgado

Sat 11/8

4:45 pm-5:30 am

1 stop18h 45m

$639

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 9/23

9:33 am-7:45 am

2 stops16h 12m

Lisbon Humberto Delgado

Tue 10/14

8:45 pm-8:10 pm

1 stop29h 25m

$639

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 10/31

7:05 am-8:00 am

1 stop19h 55m

Lisbon Humberto Delgado

Wed 11/5

10:00 am-11:26 pm

1 stop19h 26m

$640

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 11/5

12:10 pm-8:00 am

1 stop13h 50m

Lisbon Humberto Delgado

Sun 11/9

5:30 am-2:00 pm

1 stop14h 30m

$641

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 11/1

3:56 pm-11:40 am

1 stop14h 44m

Lisbon Humberto Delgado

Thu 11/6

1:15 pm-10:31 am

2 stops27h 16m

$641

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 10/31

4:04 pm-8:55 am

2 stops35h 51m

Lisbon Humberto Delgado

Fri 11/7

4:55 pm-11:35 pm

2 stops36h 40m

$643

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 11/6

9:15 pm-9:55 pm

1 stop18h 40m

Lisbon Humberto Delgado

Mon 11/10

3:50 pm-7:10 pm

1 stop33h 20m

$643

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Fri 10/31

3:56 pm-8:55 am

2 stops35h 59m

Lisbon Humberto Delgado

Fri 11/7

4:55 pm-11:55 pm

2 stops37h 00m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
1
2
3
...
6

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, January is the cheapest month in which you can book a flight from Dallas to Portugal (average of $612). Flying from Dallas to Portugal in June is currently the most expensive (average of $1,128). 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.

What is the cheapest time of day to fly from DFW to PT?

Find hourly flight availability from Dallas to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Dallas to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 14, 2025.
See what other customers who have flown with Delta, Finnair, and United 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
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
1,321 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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!
British Airways
6.7
Okay
7,266 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

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 Dallas to Portugal. 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 Dallas to Portugal one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $233. Air Canada flights start at $240 while deals on United Airlines start at $244 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, January is the cheapest month in which you can book a flight from Dallas to Portugal (average of $612). Flying from Dallas to Portugal in June is currently the most expensive (average of $1,128). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dallas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Heathrow flights
Dallas/Fort Worth to Charles de Gaulle flights
Dallas/Fort Worth to Madrid flights
Dallas/Fort Worth to Frankfurt flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Hobby to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Dallas/Fort Worth to Dublin flights
Dallas/Fort Worth to Orly flights
Dallas/Fort Worth to Istanbul flights
Hobby to Istanbul flights
George Bush Intcntl to Heathrow flights
Dallas/Fort Worth to Barcelona-El Prat flights
Hobby to Charles de Gaulle flights
Dallas/Fort Worth to Lisbon flights
George Bush Intcntl to Istanbul flights
Austin to Heathrow flights
Hobby to Madrid flights
Hobby to Leonardo da Vinci/Fiumicino flights
Love Field to Heathrow flights
Dallas/Fort Worth to Helsinki flights
Hobby to London City flights
Hobby to Gatwick flights
Dallas/Fort Worth to London City flights
Love Field to Charles de Gaulle flights
George Bush Intcntl to Charles de Gaulle flights
Dallas/Fort Worth to Zurich flights
Love Field to Madrid flights
Love Field to Frankfurt flights
George Bush Intcntl to Madrid flights
Dallas/Fort Worth to Bruxelles-National flights
Love Field to Dublin flights
George Bush Intcntl to Gatwick flights
Love Field to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Athens flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to London City flights
Austin to Frankfurt flights
Dallas/Fort Worth to Stansted flights
Dallas/Fort Worth to Sabiha Gokcen flights
Dallas/Fort Worth to Keflavik Intl flights
Dallas/Fort Worth to Amsterdam flights
Dallas/Fort Worth to Malpensa flights
Hobby to Sabiha Gokcen flights
Hobby to Frankfurt flights
Austin to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Vicenza flights
Austin to Gatwick flights
Love Field to Barcelona-El Prat flights
Hobby to Malpensa flights

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$532Average$722FlexibilityNo cancel feeOn-time76%
DeltaCheapest$534Average$942FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$542Average$799FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$542Average$856FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$546Average$771FlexibilityNo cancel feeOn-time72%
IberiaCheapest$560Average$767FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$569Average$1,015FlexibilityNo cancel feeOn-time69%
KLMCheapest$572Average$727FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$577Average$708FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$590Average$785FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.