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Portugal

$218+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:17 pmDFW - LIS
2 stops56h 03mAir Canada
Tue 12/1611:20 amLIS - DFW
1 stop16h 19mAir Canada
Deal found 11/2$538
This KLM deal was found by Cheapflights users on 11/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:00 pmDAL - LIS
2 stops13h 00mMultiple Airlines
Thu 12/115:30 amLIS - DAL
2 stops18h 22mMultiple Airlines
Deal found 11/3$540
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:35 pmDFW - LIS
1 stop10h 40mUnited Airlines
Tue 11/115:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 11/2$542
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:28 pmDFW - LIS
2 stops31h 52mUnited Airlines
Mon 12/85:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 11/3$557
This KLM deal was found by Cheapflights users on 11/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:33 pmDAL - LIS
2 stops14h 27mMultiple Airlines
Tue 12/165:30 amLIS - DAL
2 stops18h 22mMultiple Airlines
Deal found 11/3$557
This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/13:45 pmDFW - LIS
1 stop11h 35mMultiple Airlines
Mon 12/85:00 amLIS - DFW
1 stop15h 25mMultiple Airlines
Deal found 11/3$559
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:15 pmDFW - LIS
1 stop16h 15mMultiple Airlines
Fri 11/215:00 amLIS - DFW
2 stops23h 07mMultiple Airlines
Deal found 11/2$568
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:25 pmDFW - LIS
2 stops31h 55mUnited Airlines
Sun 12/710:50 amLIS - DFW
2 stops39h 23mUnited Airlines
Deal found 11/2$571
This Lufthansa deal was found by Cheapflights users on 11/3. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:15 pmDFW - LIS
1 stop24h 35mLufthansa
Wed 11/265:00 amLIS - DFW
2 stops19h 29mLufthansa
Deal found 11/3$572
This KLM deal was found by Cheapflights users on 11/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/112:33 pmDAL - LIS
2 stops13h 27mMultiple Airlines
Tue 12/95:30 amLIS - DAL
2 stops18h 22mMultiple Airlines
Deal found 11/3$573
This Mytrip deal was found by Cheapflights users on 11/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:20 pmDFW - LIS
3 stops22h 35mMultiple Airlines
Thu 12/119:05 pmLIS - DFW
3 stops30h 27mMultiple Airlines
Deal found 11/3$574
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:05 pmDFW - LIS
1 stop13h 05mUnited Airlines
Tue 11/2512:20 pmLIS - DFW
2 stops36h 09mUnited Airlines
Deal found 11/3$576

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 November 3, 2025.

Round-trip from

$538
(Air Canada)

One-way from

$219
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$749
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 ($100 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 November 2025
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 November 3, 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

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 12/2

2:00 pm-9:00 am

2 stops13h 00m

Lisbon Humberto Delgado

Tue 12/16

5:30 am-5:52 pm

2 stops18h 22m

$540

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Tue 12/2

2:00 pm-9:00 am

2 stops13h 00m

Lisbon Humberto Delgado

Thu 12/11

5:30 am-5:52 pm

2 stops18h 22m

$540

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Sun 2/8

9:15 pm-2:15 pm

1 stop35h 00m

Funchal Madeira

Mon 2/16

4:55 pm-7:10 pm

1 stop32h 15m

$555

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 1/8

11:51 am-3:10 pm

2 stops21h 19m

Lisbon Humberto Delgado

Fri 1/30

5:00 am-10:52 pm

2 stops23h 52m

$559

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 2/19

5:29 pm-10:15 am

1 stop10h 46m

Lisbon Humberto Delgado

Wed 2/25

11:55 am-8:33 pm

1 stop14h 38m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 2/16

1:20 pm-8:10 am

1 stop12h 50m

Lisbon Humberto Delgado

Sun 3/1

10:15 am-6:26 pm

1 stop14h 11m

$571

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Mon 12/1

12:33 pm-9:00 am

2 stops14h 27m

Lisbon Humberto Delgado

Tue 12/9

5:30 am-5:52 pm

2 stops18h 22m

$573

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 3/16

11:55 am-9:30 am

2 stops16h 35m

Porto

Wed 3/25

6:00 am-8:23 pm

2 stops19h 23m

$573

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 2/15

9:15 pm-9:45 pm

1 stop18h 30m

Lisbon Humberto Delgado

Sat 2/28

7:00 am-7:10 pm

1 stop18h 10m

$575

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 1/14

1:15 pm-8:10 am

1 stop12h 55m

Lisbon Humberto Delgado

Sun 1/18

10:50 am-9:32 pm

1 stop16h 42m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 results
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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 $734). 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 November 3, 2025.

It’s optimal to fly from Dallas to Portugal in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Dallas to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Dallas to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dallas to Portugal flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 3, 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
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Finnair
7.6
Good
1,335 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
British Airways
6.7
Okay
7,494 reviews
Delta
7.9
Good
8,002 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 $570, British Airways can have you in Portugal from Dallas in 13h 50m. Airlines will cover a distance of 4740 mi. This flight may include one or multiple stops.

  • 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 $734). 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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Alternative routes for Dallas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$531Average$722FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$939FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$536Average$835FlexibilityNo cancel feeOn-time70%
IberiaCheapest$537Average$771FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$539Average$843FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$551Average$705FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$554Average$1,010FlexibilityNo cancel feeOn-time69%
KLMCheapest$572Average$728FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$591Average$786FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$600Average$954FlexibilityNo cancel feeOn-time72%

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