Portugal

$324+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Jun 4 — Jun 111
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Cheap 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 5, 2026.

This Gotogate deal was found by Cheapflights users on 5/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:20 pm
DFW
-
LIS
1 stop16h 30m
Multiple Airlines
Fri 11/65:00 am
LIS
-
DFW
1 stop15h 25m
Multiple Airlines
Deal found 5/3$704
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:05 am
DFW
-
LIS
1 stop21h 55m
Multiple Airlines
Wed 11/115:00 am
LIS
-
DFW
1 stop15h 25m
Multiple Airlines
Deal found 4/30$708
This deal was found by Cheapflights users on 5/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:25 pm
DFW
-
LIS
1 stop14h 55m
Air Canada
Thu 10/2211:25 am
LIS
-
DFW
1 stop16h 09m
Air Canada
Deal found 5/2$710
This deal was found by Cheapflights users on 5/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:25 pm
DFW
-
LIS
1 stop14h 55m
Air Canada
Mon 10/1911:25 am
LIS
-
DFW
1 stop16h 09m
Air Canada
Deal found 5/2$718
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:55 pm
DFW
-
LIS
1 stop14h 45m
American Airlines
Wed 11/116:30 am
LIS
-
DFW
1 stop16h 30m
American Airlines
Deal found 5/1$719
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 11/2312:20 pm
DFW
-
LIS
1 stop15h 30m
United Airlines
Fri 11/275:00 am
LIS
-
DFW
1 stop15h 25m
United Airlines
Deal found 5/1$721
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am
DFW
-
LIS
2 stops19h 10m
United Airlines
Wed 11/115:00 am
LIS
-
DFW
1 stop15h 25m
United Airlines
Deal found 4/30$722
This Gotogate deal was found by Cheapflights users on 5/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:05 am
DFW
-
LIS
1 stop21h 55m
Multiple Airlines
Mon 11/2312:25 pm
LIS
-
DFW
1 stop32h 00m
Multiple Airlines
Deal found 5/3$728
This United Airlines deal was found by Cheapflights users on 5/1. 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 11/225:35 pm
DFW
-
LIS
1 stop32h 35m
United Airlines
Fri 11/271:00 pm
LIS
-
DFW
1 stop31h 57m
United Airlines
Deal found 5/1$730
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.
Wed 11/48:45 am
DFW
-
LIS
2 stops20h 35m
Delta
Wed 11/115:00 am
LIS
-
DFW
2 stops19h 41m
Delta
Deal found 4/30$738
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.
Wed 11/412:01 pm
DAL
-
LIS
2 stops14h 59m
Multiple Airlines
Wed 11/1110:00 am
LIS
-
DAL
2 stops16h 36m
Multiple Airlines
Deal found 4/30$749
This Delta deal was found by Cheapflights users on 5/1. 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.
Tue 10/1312:01 pm
DAL
-
LIS
2 stops17h 14m
Delta
Thu 10/225:00 am
LIS
-
DAL
2 stops21h 36m
Delta
Deal found 5/1$781

Find 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 5, 2026.

Round-trip from

$704
(Gotogate)

One-way from

$324
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$859
From Dallas to Portugal
One-way flight from Dallas to Portugal
Highest demand for flights based on searches. 18% potential increase in price ($167 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 5, 2026.
Use the filters below to find and compare flights from Dallas to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 10/6

7:00 am-9:20 am

3 stops20h 20m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-1:35 pm

1 stop14h 30m

$813

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Fri 10/23

9:30 pm-4:10 pm

1 stop36h 40m

Porto

Sat 10/31

10:55 am-8:35 pm

1 stop38h 40m

$912

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 7/22

12:25 pm-9:20 am

1 stop14h 55m

Lisbon Humberto Delgado

Wed 7/29

5:05 am-2:15 pm

1 stop15h 10m

$923

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 7/20

7:20 am-9:20 am

2 stops20h 00m

Lisbon Humberto Delgado

Thu 7/30

1:00 pm-4:12 pm

2 stops33h 12m

$932
Quickest round-trip

DallasPorto

DAL - OPO

DALOPO

Dallas Love Field

Wed 8/26

2:55 pm-10:30 am

2 stops13h 35m

Porto

Wed 9/2

12:40 pm-10:27 pm

2 stops15h 47m

$947

DallasPonta Delgada

DFW - PDL

DFWPDL

Dallas/Fort Worth

Mon 5/18

7:54 pm-8:40 am

2 stops31h 46m

Ponta Delgada Nordela

Wed 6/3

11:00 am-11:59 pm

2 stops17h 59m

$950

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Fri 10/23

7:00 am-9:45 am

2 stops20h 45m

Porto

Sat 10/31

12:30 pm-3:25 pm

1 stop31h 55m

$950

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 9/11

4:54 pm-9:20 am

2 stops58h 26m

Lisbon Humberto Delgado

Sat 9/19

5:05 am-1:35 pm

1 stop14h 30m

$952

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 7/28

7:18 am-9:20 am

2 stops20h 02m

Lisbon Humberto Delgado

Sun 8/2

1:00 pm-5:46 pm

2 stops34h 46m

$980

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Tue 7/21

10:22 am-12:55 pm

2 stops20h 33m

Funchal Madeira

Sun 7/26

11:20 am-8:10 pm

1 stop14h 50m

$983

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Dallas to Portugal?

To ensure you get the cheapest price possible for a flight from Dallas to Portugal, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dallas to Portugal?

Currently, April is the cheapest month in which you can book a flight from Dallas to Portugal (average of $382). Flying from Dallas to Portugal in June is currently the most expensive (average of $650). 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.

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 5, 2026.
See what other customers who have flown with Delta,Finnair, andUnited 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.

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 $813, United Airlines can have you in Portugal from Dallas in 20h 20m. Airlines will cover a distance of 4740 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. American Airlines flights start at $237 while deals on British Airways start at $238 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, April is the cheapest month in which you can book a flight from Dallas to Portugal (average of $382). Flying from Dallas to Portugal in June is currently the most expensive (average of $650). 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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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 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$457Average$860FlexibilityNo cancel feeOn-time76%
IberiaCheapest$494Average$809FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$496Average$688FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$497Average$801FlexibilityNo cancel feeOn-time71%
FinnairCheapest$509Average$782FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$516Average$794FlexibilityNo cancel feeOn-time67%
DeltaCheapest$517Average$846FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$518Average$705FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$529Average$949FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$612Average$928FlexibilityNo cancel feeOn-time77%

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