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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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$580
(Cheapflightsfares)

One-way from

$288
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$932
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. 15% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Sun 11/231:55 pmDFW - OPO
1 stop11h 45mIberia
Wed 12/34:40 pmOPO - DFW
1 stop18h 50mIberia
Deal found 4/29$530
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/138:59 amDFW - OPO
2 stops16h 36mAmerican Airlines
Tue 8/268:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 4/30$609
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:20 pmDFW - OPO
1 stop20h 40mMultiple Airlines
Tue 11/48:40 pmOPO - DFW
1 stop26h 20mMultiple Airlines
Deal found 4/30$611
This Delta deal was found by Cheapflights users on 4/30. 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.
Sun 7/1311:22 amDFW - OPO
2 stops22h 08mDelta
Tue 8/266:35 amOPO - DFW
2 stops21h 46mDelta
Deal found 4/30$637
This Air Canada deal was found by Cheapflights users on 4/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:55 pmDFW - OPO
2 stops31h 25mAir Canada
Tue 10/76:00 amOPO - DFW
2 stops21h 33mAir Canada
Deal found 4/30$642
This United Airlines deal was found by Cheapflights users on 4/29. 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 11/2312:20 pmDFW - OPO
2 stops17h 20mUnited Airlines
Wed 12/36:00 amOPO - DFW
2 stops40h 42mUnited Airlines
Deal found 4/29$646
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 9/207:00 amDFW - LIS
1 stop19h 00mDelta
Mon 9/2910:00 amLIS - DFW
1 stop31h 39mDelta
Deal found 4/29$666
This Air Canada deal was found by Cheapflights users on 4/29. 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 9/197:25 pmDFW - LIS
2 stops57h 40mAir Canada
Tue 9/3012:55 pmLIS - DFW
2 stops35h 57mAir Canada
Deal found 4/29$668
This Lufthansa deal was found by Cheapflights users on 4/29. 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.
Thu 9/183:50 pmDFW - LIS
1 stop24h 15mLufthansa
Fri 10/35:05 amLIS - DFW
2 stops19h 16mLufthansa
Deal found 4/29$673
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/511:13 amDFW - LIS
2 stops14h 47mMultiple Airlines
Mon 8/186:50 pmLIS - DFW
1 stop24h 45mMultiple Airlines
Deal found 4/30$674
This British Airways deal was found by Cheapflights users on 4/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:15 pmDFW - LIS
1 stop18h 40mBritish Airways
Wed 12/317:05 amLIS - DFW
1 stop18h 05mBritish Airways
Deal found 4/30$675
This Finnair deal was found by Cheapflights users on 4/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3010:59 pmDFW - LIS
1 stop18h 11mFinnair
Sat 9/66:35 amLIS - DFW
1 stop19h 35mFinnair
Deal found 4/30$678

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 May 1, 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

Sun 7/13

9:40 pm-7:55 pm

1 stop16h 15m

Porto

Tue 8/26

8:15 am-8:10 pm

1 stop17h 55m

$580

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 7/13

8:59 am-7:35 am

2 stops16h 36m

Porto

Tue 8/26

8:15 am-8:10 pm

1 stop17h 55m

$609

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 7/13

11:22 am-3:30 pm

2 stops22h 08m

Porto

Tue 8/26

6:35 am-10:21 pm

2 stops21h 46m

$637

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 9/20

7:00 am-8:00 am

1 stop19h 00m

Lisbon Humberto Delgado

Mon 9/29

10:00 am-11:39 am

1 stop31h 39m

$666

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 9/19

7:25 pm-11:05 am

2 stops57h 40m

Lisbon Humberto Delgado

Tue 9/30

12:55 pm-6:52 pm

2 stops35h 57m

$668

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 9/18

3:50 pm-10:05 pm

1 stop24h 15m

Lisbon Humberto Delgado

Fri 10/3

5:05 am-6:21 pm

2 stops19h 16m

$673

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 8/5

11:13 am-8:00 am

2 stops14h 47m

Lisbon Humberto Delgado

Mon 8/18

6:50 pm-1:35 pm

1 stop24h 45m

$674

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 8/30

10:59 pm-11:10 pm

1 stop18h 11m

Lisbon Humberto Delgado

Sat 9/6

6:35 am-8:10 pm

1 stop19h 35m

$678

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 9/2

4:23 pm-3:30 pm

2 stops17h 07m

Lisbon Humberto Delgado

Tue 9/30

6:35 am-8:10 pm

1 stop19h 35m

$681

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 7/15

9:40 pm-4:05 pm

1 stop12h 25m

Lisbon Humberto Delgado

Wed 8/6

6:35 am-4:10 pm

1 stop15h 35m

$682

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 56 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 $1,178). 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 May 1, 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 May 1, 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.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.3

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. Finnair flights start at $289 while deals on British Airways start at $293 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 $1,178). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$531Average$718FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$541Average$771FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$542Average$835FlexibilityNo cancel feeOn-time70%
DeltaCheapest$550Average$845FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$558Average$847FlexibilityNo cancel feeOn-time71%
IberiaCheapest$574Average$789FlexibilityNo cancel feeOn-time77%
KLMCheapest$586Average$723FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$589Average$1,052FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$612Average$788FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$615Average$746FlexibilityNo cancel feeOn-time77%

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