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Portugal

$247+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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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 July 2, 2025.

Round-trip from

$619
(Priceline)

One-way from

$247
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$799
From Dallas to Portugal
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One-way flight from Dallas to Portugal
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Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/178:15 amDFW - LIS
1 stop18h 50mAmerican Airlines
Sat 8/306:35 amLIS - DFW
1 stop19h 35mAmerican Airlines
Deal found 7/2$620
This Delta deal was found by Cheapflights users on 7/1. 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 10/153:00 pmDFW - LIS
2 stops17h 35mDelta
Sat 10/255:40 amLIS - DFW
2 stops23h 20mDelta
Deal found 7/1$621
This Lufthansa deal was found by Cheapflights users on 7/1. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/173:50 pmDFW - LIS
2 stops24h 00mLufthansa
Wed 10/85:05 amLIS - DFW
1 stop15h 00mLufthansa
Deal found 7/1$623
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:25 amDFW - LIS
2 stops29h 15mMultiple Airlines
Tue 9/3010:05 pmLIS - DFW
2 stops29h 38mMultiple Airlines
Deal found 7/2$624
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Tue 7/299:25 amDFW - LIS
2 stops19h 40mAir Canada
Fri 9/1211:25 amLIS - DFW
2 stops29h 27mAir Canada
Deal found 7/2$626
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/122:10 pmDFW - LIS
2 stops14h 55mUnited Airlines
Wed 8/275:05 amLIS - DFW
2 stops19h 22mUnited Airlines
Deal found 7/2$627
This Iberia deal was found by Cheapflights users on 6/30. 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 8/179:40 pmDFW - LIS
1 stop19h 45mIberia
Sun 8/2412:30 pmLIS - DFW
1 stop13h 40mIberia
Deal found 6/30$629
This Mytrip deal was found by Cheapflights users on 6/30. 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.
Sun 10/59:25 amDFW - OPO
2 stops16h 55mMultiple Airlines
Mon 10/138:10 pmOPO - DFW
3 stops31h 33mMultiple Airlines
Deal found 6/30$629
This Air France deal was found by Cheapflights users on 6/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:15 pmDFW - LIS
1 stop19h 15mAir France
Sun 11/25:30 amLIS - DFW
1 stop14h 40mAir France
Deal found 6/30$631
This Delta deal was found by Cheapflights users on 6/30. 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.
Mon 8/1811:54 amDAL - LIS
2 stops16h 51mDelta
Wed 8/2712:45 pmLIS - DAL
2 stops17h 04mDelta
Deal found 6/30$631
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Thu 9/181:12 pmDFW - OPO
1 stop11h 53mUnited Airlines
Sun 9/2111:20 amOPO - DFW
2 stops37h 07mUnited Airlines
Deal found 7/1$632
This Ovago deal was found by Cheapflights users on 7/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:45 pmDFW - LIS
1 stop24h 10mBritish Airways
Sat 1/1010:30 amLIS - DFW
1 stop17h 13mBritish Airways
Deal found 7/1$633

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 July 2, 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

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 8/17

8:15 am-9:05 am

1 stop18h 50m

Lisbon Humberto Delgado

Sat 8/30

6:35 am-8:10 pm

1 stop19h 35m

$620

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 9/17

3:50 pm-9:50 pm

2 stops24h 00m

Lisbon Humberto Delgado

Wed 10/8

5:05 am-2:05 pm

1 stop15h 00m

$623

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 9/21

9:25 am-8:40 pm

2 stops29h 15m

Lisbon Humberto Delgado

Tue 9/30

10:05 pm-9:43 pm

2 stops29h 38m

$624

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 7/29

9:25 am-11:05 am

2 stops19h 40m

Lisbon Humberto Delgado

Fri 9/12

11:25 am-10:52 am

2 stops29h 27m

$626

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 8/12

2:10 pm-11:05 am

2 stops14h 55m

Lisbon Humberto Delgado

Wed 8/27

5:05 am-6:27 pm

2 stops19h 22m

$627

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 8/17

9:40 pm-11:25 pm

1 stop19h 45m

Lisbon Humberto Delgado

Sun 8/24

12:30 pm-8:10 pm

1 stop13h 40m

$629

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 10/5

9:25 am-8:20 am

2 stops16h 55m

Porto

Mon 10/13

8:10 pm-9:43 pm

3 stops31h 33m

$629

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

Mon 8/18

11:54 am-10:45 am

2 stops16h 51m

Lisbon Humberto Delgado

Wed 8/27

12:45 pm-11:49 pm

2 stops17h 04m

$631

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Thu 9/18

1:12 pm-7:05 am

1 stop11h 53m

Porto

Sun 9/21

11:20 am-6:27 pm

2 stops37h 07m

$632

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 8/8

10:59 pm-11:10 pm

1 stop18h 11m

Lisbon Humberto Delgado

Sat 8/23

4:45 pm-8:10 pm

1 stop33h 25m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 55 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, 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 $1,130). 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 July 2, 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 July 2, 2025.
See what other customers who have flown with Delta, KLM, and Finnair 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
7,983 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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
1,301 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

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 United Airlines, which is currently one of the cheapest options available, starting at $263. Air Canada flights start at $270 while deals on British Airways start at $271 one-way.

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

    While some choose either Dallas/Fort Worth - Funchal Madeira or Dallas Love Field - Lisbon Humberto Delgado, 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 $1,130). 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$532Average$722FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$546Average$771FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$546Average$841FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$550Average$755FlexibilityNo cancel feeOn-time70%
IberiaCheapest$560Average$748FlexibilityNo cancel feeOn-time77%
DeltaCheapest$569Average$937FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$571Average$706FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$572Average$1,015FlexibilityNo cancel feeOn-time69%
KLMCheapest$586Average$723FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$611Average$790FlexibilityNo cancel feeOn-time67%

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