Portugal

$225+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
oct. 17 — oct. 241
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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 septiembre 17, 2025.

Round-trip from

$535
(United Airlines)

One-way from

$225
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$759
From Dallas to Portugal
One-way flight from Dallas to Portugal
Highest demand for flights based on searches. 11% potential increase in price ($100 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in September 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 septiembre 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 10/2712:20 pmDFW - OPO
2 stops16h 10mUnited Airlines
mié. 11/1212:35 pmOPO - DFW
2 stops16h 22mUnited Airlines
Deal found 9/15$535
This United Airlines deal was found by Cheapflights users on 9/17. 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.
lun. 10/202:58 pmDFW - OPO
1 stop12h 47mUnited Airlines
mié. 11/512:35 pmOPO - DFW
1 stop28h 05mUnited Airlines
Deal found 9/17$538
This KLM deal was found by Cheapflights users on 9/17. 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.
jue. 11/131:35 pmDFW - FNC
2 stops21h 35mKLM
jue. 11/2010:20 amFNC - DFW
2 stops19h 56mKLM
Deal found 9/17$551
This American Airlines deal was found by Cheapflights users on 9/17. 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.
lun. 10/2010:24 amDFW - OPO
2 stops15h 11mAmerican Airlines
mié. 11/58:20 amOPO - DFW
2 stops17h 33mAmerican Airlines
Deal found 9/17$562
This Air France deal was found by Cheapflights users on 9/16. 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.
sáb. 10/43:50 pmDFW - LIS
1 stop20h 05mAir France
lun. 11/312:20 pmLIS - DFW
1 stop31h 40mAir France
Deal found 9/16$575
This KAYAK deal was found by Cheapflights users on 9/15. 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.
vie. 10/317:25 pmDFW - LIS
2 stops22h 25mLufthansa
mar. 11/115:00 amLIS - DFW
1 stop15h 25mLufthansa
Deal found 9/15$576
This United Airlines deal was found by Cheapflights users on 9/15. 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.
lun. 10/272:16 pmDFW - LIS
2 stops14h 59mUnited Airlines
dom. 11/165:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 9/15$577
This Air France deal was found by Cheapflights users on 9/16. 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.
jue. 11/2710:11 amDAL - LIS
2 stops16h 44mAir France
vie. 12/55:30 amLIS - DAL
2 stops18h 23mAir France
Deal found 9/16$577
This Delta deal was found by Cheapflights users on 9/17. 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.
dom. 10/267:05 amDFW - LIS
1 stop19h 55mDelta
dom. 11/25:00 amLIS - DFW
2 stops17h 46mDelta
Deal found 9/17$578
This Mytrip deal was found by Cheapflights users on 9/15. 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.
mié. 10/153:50 pmDFW - LIS
2 stops24h 00mMultiple Airlines
mié. 10/229:15 pmLIS - DFW
2 stops30h 28mMultiple Airlines
Deal found 9/15$580
This CheapOair deal was found by Cheapflights users on 9/16. 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.
lun. 10/139:25 amDFW - LIS
2 stops19h 40mMultiple Airlines
lun. 10/205:05 amLIS - DFW
1 stop15h 00mMultiple Airlines
Deal found 9/16$581
This Mytrip deal was found by Cheapflights users on 9/17. 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.
mié. 10/153:50 pmDFW - OPO
2 stops24h 15mMultiple Airlines
mié. 10/227:15 amOPO - DFW
2 stops20h 28mMultiple Airlines
Deal found 9/17$582

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 septiembre 17, 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

lun. 10/27

2:26 pm-9:30 am

2 stops14h 04m

Porto

mié. 11/12

12:35 pm-11:59 pm

1 stop17h 24m

$535

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mié. 3/11

12:10 pm-9:30 am

2 stops16h 20m

Porto

mar. 3/17

12:35 pm-11:13 am

2 stops27h 38m

$547

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

jue. 11/13

1:35 pm-5:10 pm

2 stops21h 35m

Funchal Madeira

jue. 11/20

10:20 am-12:16 am

2 stops19h 56m

$551

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 10/20

10:24 am-7:35 am

2 stops15h 11m

Porto

mié. 11/5

8:20 am-7:53 pm

2 stops17h 33m

$562

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

jue. 12/11

10:11 am-8:00 am

2 stops15h 49m

Lisbon Humberto Delgado

jue. 1/29

5:30 am-5:55 pm

2 stops18h 25m

$577

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

vie. 11/7

4:05 pm-5:30 pm

1 stop19h 25m

Lisbon Humberto Delgado

sáb. 11/15

5:00 am-7:11 pm

2 stops20h 11m

$583

DallasLisbon

DAL - LIS

DALLIS

Dallas Love Field

mar. 2/10

12:01 pm-8:00 am

2 stops13h 59m

Lisbon Humberto Delgado

mar. 2/24

5:30 am-5:55 pm

2 stops18h 25m

$584

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

sáb. 11/29

7:00 am-11:20 am

2 stops22h 20m

Lisbon Humberto Delgado

dom. 12/7

5:30 am-6:42 pm

2 stops19h 12m

$587

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

sáb. 2/21

5:20 pm-3:15 pm

2 stops39h 55m

Porto

lun. 3/2

12:30 pm-9:09 pm

2 stops38h 39m

$588

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

jue. 10/30

1:33 pm-5:10 pm

2 stops22h 37m

Funchal Madeira

jue. 11/6

10:20 am-11:59 pm

2 stops19h 39m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 $1,126). 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 septiembre 17, 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 septiembre 17, 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.
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.
  • How long is the flight from Dallas to Portugal?

    For as low as $535, United Airlines can have you in Portugal from Dallas in 14h 04m. Airlines will cover a distance of 4688 mi. This flight may include one or multiple stops.

  • 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 $233. Virgin Atlantic flights start at $233 while deals on KLM start at $234 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 $1,126). 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$531Average$722FlexibilityNo cancel feeOn-time76%
DeltaCheapest$534Average$945FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$539Average$803FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$539Average$869FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$546Average$771FlexibilityNo cancel feeOn-time72%
IberiaCheapest$555Average$783FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$566Average$1,014FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$571Average$709FlexibilityNo cancel feeOn-time77%
KLMCheapest$572Average$726FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$592Average$786FlexibilityNo cancel feeOn-time67%

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