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$218+ Cheap flights from Dallas/Fort Worth (DFW) 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 2/24. 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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Cheap flight deals from Dallas/Fort Worth to Portugal

Keep the following information in mind while searching for Dallas/Fort Worth to Portugal flight deals. Data was last updated November 3, 2025.

Round-trip from

$538
(Air Canada)

One-way from

$218
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$749
From Dallas/Fort Worth to Portugal
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One-way flight from Dallas/Fort Worth to Portugal
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Highest demand for flights based on searches. 11% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Dallas/Fort Worth to Portugal

Cheapest flights from Dallas/Fort Worth to Portugal
Explore the most affordable flight options available from Dallas/Fort Worth 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 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 11/1. 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.
Sun 11/95:35 pmDFW - LIS
1 stop10h 40mUnited Airlines
Tue 11/185:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 11/1$547
This Air Canada deal was found by Cheapflights users on 11/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:20 pmDFW - LIS
1 stop15h 00mAir Canada
Sat 1/1711:20 amLIS - DFW
2 stops41h 39mAir Canada
Deal found 11/1$553
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.
Fri 12/512:10 pmDFW - LIS
1 stop16h 05mUnited Airlines
Tue 12/165:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 11/2$557
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/307:45 amDFW - LIS
1 stop20h 30mUnited Airlines
Sat 1/1711:20 amLIS - DFW
2 stops31h 05mUnited Airlines
Deal found 11/1$558
This Delta deal was found by Cheapflights users on 11/1. 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.
Wed 11/262:15 pmDFW - LIS
2 stops21h 15mDelta
Fri 12/55:30 amLIS - DFW
1 stop14h 30mDelta
Deal found 11/1$561
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK 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
Tue 11/185:00 amLIS - DFW
1 stop15h 25mLufthansa
Deal found 11/1$562
This Air Canada deal was found by Cheapflights users on 11/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amDFW - LIS
2 stops19h 55mAir Canada
Sat 1/1711:20 amLIS - DFW
2 stops41h 39mAir Canada
Deal found 11/1$564
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:13 pmDFW - FNC
2 stops40h 57mKLM
Wed 12/310:25 amFNC - DFW
2 stops36h 44mKLM
Deal found 11/1$625
This KLM deal was found by Cheapflights users on 10/31. 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.
Wed 12/34:23 pmDFW - FNC
2 stops42h 47mKLM
Sun 12/710:10 amFNC - DFW
2 stops20h 16mKLM
Deal found 10/31$660
This KLM deal was found by Cheapflights users on 11/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:05 pmDFW - OPO
1 stop12h 25mKLM
Thu 11/276:35 amOPO - DFW
2 stops19h 20mKLM
Deal found 11/1$686

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth 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/Fort Worth Airport to Portugal that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Portugal

Route

Depart

Return

Price

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 3/1

12:06 pm-8:10 am

2 stops14h 04m

Lisbon Humberto Delgado

Sun 3/8

5:00 am-2:25 pm

1 stop15h 25m

$558

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

Mon 3/23

1:20 pm-8:10 am

1 stop13h 50m

Lisbon Humberto Delgado

Sat 4/4

11:25 am-11:36 am

2 stops30h 11m

$570

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 2/20

1:20 pm-8:10 am

1 stop12h 50m

Lisbon Humberto Delgado

Thu 2/26

10:15 am-6:26 pm

1 stop14h 11m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 2/20

1:20 pm-8:10 am

1 stop12h 50m

Lisbon Humberto Delgado

Tue 2/24

10:15 am-6:26 pm

1 stop14h 11m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 2/18

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

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 2/20

1:20 pm-8:10 am

1 stop12h 50m

Lisbon Humberto Delgado

Wed 2/25

10:15 am-6:26 pm

1 stop14h 11m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 2/20

1:20 pm-8:10 am

1 stop12h 50m

Lisbon Humberto Delgado

Fri 2/27

10:15 am-6:26 pm

1 stop14h 11m

$571

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 2/17

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

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 53 results
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Best time to book a flight from Dallas/Fort Worth to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Dallas/Fort Worth 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/Fort Worth Airport to Portugal

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Portugal?

Currently, December is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Portugal (average of $414). Flying from Dallas/Fort Worth Airport 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/Fort Worth 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/Fort Worth Airport to Portugal in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Portugal?

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

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Portugal flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday 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.
Read reviews from past customers who have flown Delta, Finnair, and United Airlines from Dallas/Fort Worth Airport to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
8,001 reviews

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
8,997 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
11,036 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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
8,001 reviews

Comfort

7.9

Boarding

8.2

Overall

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

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/Fort Worth 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/Fort Worth Airport to Portugal?

    Airlines like Delta, United Airlines, and KLM fly from Dallas/Fort Worth Airport to Portugal in about 14h 04m. The time it takes to get you to your destination can typically vary by up to 4h 41m. Dallas/Fort Worth Airport and Portugal are separated by a distance of 4740 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Portugal one-way?

    One-way options have recently been found by users for as low as $232 on SWISS. Other airlines that offer cheap prices include United Airlines from $237 and KLM from $264 one-way.

  • What are the most popular routes from Dallas/Fort Worth Airport to Portugal?

    When deciding which route to take from Dallas/Fort Worth Airport to Portugal consider Dallas/Fort Worth - Lisbon Humberto Delgado, Dallas/Fort Worth - Porto or Dallas/Fort Worth - Funchal Madeira as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth 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/Fort Worth Airport to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Portugal (average of $414). Flying from Dallas/Fort Worth Airport 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/Fort Worth 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/Fort Worth to Portugal

Discover the top 10 airlines that operate flights from Dallas/Fort Worth 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$721FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$940FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$536Average$834FlexibilityNo cancel feeOn-time70%
IberiaCheapest$537Average$772FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$539Average$841FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$547Average$1,010FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$551Average$705FlexibilityNo cancel feeOn-time77%
KLMCheapest$572Average$728FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$590Average$784FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$608Average$999FlexibilityNo cancel feeOn-time72%

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