Portugal

$288+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Apr 27 — May 41
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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 April 22, 2025.

Round-trip from

$642
(Air Canada)

One-way from

$288
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$685
From Dallas to Portugal
One-way flight from Dallas to Portugal
Highest demand for flights based on searches. 15% potential increase in price ($139 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 22, 2025.

This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:20 amDFW - LIS
2 stops14h 40mKLM
Wed 12/310:00 amLIS - DFW
1 stop17h 08mKLM
Deal found 4/22$642
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:40 amDFW - LIS
2 stops15h 40mAir Canada
Mon 8/2511:25 amLIS - DFW
2 stops16h 57mAir Canada
Deal found 4/22$644
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:25 pmDFW - LIS
2 stops19h 40mIberia
Tue 9/3012:30 pmLIS - DFW
1 stop13h 40mIberia
Deal found 4/22$645
This British Airways deal was found by Cheapflights users on 4/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:15 pmDFW - LIS
1 stop30h 40mBritish Airways
Tue 12/307:40 pmLIS - DFW
1 stop29h 30mBritish Airways
Deal found 4/21$651
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:00 pmDFW - OPO
1 stop12h 50mDelta
Tue 11/45:00 amOPO - DFW
2 stops25h 08mDelta
Deal found 4/22$655
This American Airlines deal was found by Cheapflights users on 4/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:55 pmDFW - LIS
1 stop17h 00mAmerican Airlines
Sat 11/224:45 pmLIS - DFW
1 stop18h 45mAmerican Airlines
Deal found 4/22$657
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/612:00 pmDFW - LIS
1 stop14h 00mMultiple Airlines
Mon 8/186:50 pmLIS - DFW
1 stop24h 45mMultiple Airlines
Deal found 4/22$658
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:15 amDFW - LIS
1 stop17h 30mDelta
Mon 10/275:30 amLIS - DFW
1 stop14h 20mDelta
Deal found 4/22$660
This Air Canada deal was found by Cheapflights users on 4/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/139:25 amDFW - OPO
2 stops20h 00mAir Canada
Wed 10/226:00 amOPO - DFW
2 stops21h 33mAir Canada
Deal found 4/22$670
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:20 pmDFW - OPO
1 stop24h 05mLufthansa
Tue 11/412:30 pmOPO - DFW
1 stop32h 05mLufthansa
Deal found 4/22$671
This SWISS deal was found by Cheapflights users on 4/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:30 pmDFW - LIS
2 stops18h 05mSWISS
Wed 12/33:25 pmLIS - DFW
2 stops36h 59mSWISS
Deal found 4/22$672
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:25 amDFW - OPO
1 stop18h 10mUnited Airlines
Sun 9/2811:20 amOPO - DFW
2 stops37h 01mUnited Airlines
Deal found 4/22$677

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 April 22, 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

Tue 8/12

11:48 am-9:20 am

2 stops15h 32m

Lisbon Humberto Delgado

Sun 8/24

12:55 pm-9:30 pm

2 stops38h 35m

$642

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 8/11

11:40 am-9:20 am

2 stops15h 40m

Lisbon Humberto Delgado

Mon 8/25

11:25 am-10:22 pm

2 stops16h 57m

$644

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 7/1

6:25 pm-8:05 pm

2 stops19h 40m

Lisbon Humberto Delgado

Tue 9/30

12:30 pm-8:10 pm

1 stop13h 40m

$645

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 10/16

11:15 am-10:45 am

1 stop17h 30m

Lisbon Humberto Delgado

Mon 10/27

5:30 am-2:50 pm

1 stop14h 20m

$660

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 9/17

10:59 pm-11:10 pm

1 stop18h 11m

Lisbon Humberto Delgado

Sat 10/4

6:55 pm-12:25 pm

1 stop23h 30m

$663

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 10/13

9:25 am-11:25 am

2 stops20h 00m

Porto

Wed 10/22

6:00 am-9:33 pm

2 stops21h 33m

$670

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sat 9/20

9:25 am-9:35 am

1 stop18h 10m

Porto

Sun 9/28

11:20 am-6:21 pm

2 stops37h 01m

$677

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 10/13

9:40 pm-7:55 pm

1 stop16h 15m

Porto

Tue 10/21

8:15 am-8:10 pm

1 stop17h 55m

$691

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 5/13

7:35 pm-3:30 pm

1 stop13h 55m

Lisbon Humberto Delgado

Tue 5/20

11:05 am-9:26 pm

2 stops16h 21m

$695

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Mon 10/13

6:37 pm-5:55 pm

2 stops17h 18m

Porto

Wed 10/22

6:15 am-8:36 pm

2 stops20h 21m

$701

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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, 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 $1,203). 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 April 22, 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.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 April 22, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Dallas to Portugal by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $288. American Airlines flights start at $292 while deals on Delta start at $293 one-way.

  • What are the most popular routes 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 $1,203). 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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Alternative routes for Dallas to Portugal

See prices for flight routes from nearby airports that may be better suited for you.

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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$532Average$716FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$541Average$771FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$542Average$862FlexibilityNo cancel feeOn-time70%
DeltaCheapest$550Average$827FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$558Average$843FlexibilityNo cancel feeOn-time71%
IberiaCheapest$574Average$795FlexibilityNo cancel feeOn-time77%
KLMCheapest$586Average$724FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$589Average$1,056FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$612Average$796FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$616Average$755FlexibilityNo cancel feeOn-time77%

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