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Portugal

$217+ Cheap flights from Irving, TX 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Irving to Portugal

Keep the following information in mind while searching for Irving to Portugal flight deals. Data was last updated October 30, 2025.

Round-trip from

$499
(KLM)

One-way from

$223
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$620
From Irving to Portugal
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One-way flight from Irving to Portugal
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Highest demand for flights based on searches. 11% potential increase in price ($100 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 October 2025
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Find flight deals from Irving to Portugal

Cheapest flights from Irving to Portugal
Explore the most affordable flight options available from Irving to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This KLM deal was found by Cheapflights users on 10/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:13 pmDFW - FNC
2 stops33h 22mKLM
Wed 12/310:25 amFNC - DFW
2 stops19h 57mKLM
Deal found 10/29$499
This British Airways deal was found by Cheapflights users on 10/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:15 pmDFW - FNC
1 stop35h 55mBritish Airways
Wed 12/33:55 pmFNC - DFW
1 stop33h 15mBritish Airways
Deal found 10/29$536
This KLM deal was found by Cheapflights users on 10/28. 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 12/24:05 pmDFW - OPO
1 stop12h 25mKLM
Tue 12/96:05 amOPO - DFW
2 stops18h 43mKLM
Deal found 10/28$536
This KLM deal was found by Cheapflights users on 10/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:13 pmDFW - FNC
2 stops40h 57mKLM
Wed 12/310:25 amFNC - DFW
2 stops19h 57mKLM
Deal found 10/29$537
This Finnair deal was found by Cheapflights users on 10/28. 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.
Fri 11/2811:45 amDFW - LIS
1 stop15h 05mMultiple Airlines
Sun 12/74:10 pmLIS - DFW
1 stop29h 00mMultiple Airlines
Deal found 10/28$538
This Finnair deal was found by Cheapflights users on 10/30. 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.
Tue 11/111:10 pmDFW - LIS
1 stop13h 55mMultiple Airlines
Fri 11/2111:05 amLIS - DFW
1 stop13h 35mMultiple Airlines
Deal found 10/30$539
This Air France deal was found by Cheapflights users on 10/28. 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.
Tue 12/24:05 pmDFW - OPO
1 stop12h 25mAir France
Tue 12/911:25 amOPO - DFW
1 stop32h 35mAir France
Deal found 10/28$545
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 10/309:58 amDFW - LIS
2 stops17h 12mUnited Airlines
Thu 11/65:00 amLIS - DFW
2 stops19h 23mUnited Airlines
Deal found 10/29$547
This Delta deal was found by Cheapflights users on 10/29. 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.
Tue 11/114:05 pmDFW - LIS
1 stop19h 25mDelta
Fri 11/215:00 amLIS - DFW
2 stops22h 07mDelta
Deal found 10/29$548
This Delta deal was found by Cheapflights users on 10/28. 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 11/137:00 amDFW - LIS
1 stop19h 00mDelta
Mon 11/1712:20 pmLIS - DFW
1 stop31h 40mDelta
Deal found 10/28$551
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/288:44 pmDFW - LIS
3 stops30h 11mUnited Airlines
Sun 12/711:55 amLIS - DFW
1 stop14h 18mUnited Airlines
Deal found 10/28$555
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/284:19 pmDFW - LIS
2 stops19h 11mDelta
Sun 12/711:15 amLIS - DFW
1 stop17h 59mDelta
Deal found 10/30$559

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irving 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 October 30, 2025.
Use the filters below to find and compare flights from Irving to Portugal that are best for you.

Fly from

Irving

Fly to

Portugal

Route

Depart

Return

Price

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 11/17

6:13 pm-9:35 am

2 stops33h 22m

Funchal Madeira

Wed 12/3

10:25 am-12:22 am

2 stops19h 57m

$499

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 11/17

9:15 pm-3:10 pm

1 stop35h 55m

Funchal Madeira

Wed 12/3

3:55 pm-7:10 pm

1 stop33h 15m

$536

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 12/2

4:05 pm-10:30 am

1 stop12h 25m

Porto

Tue 12/9

6:05 am-6:48 pm

2 stops18h 43m

$536

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 11/26

6:13 pm-5:10 pm

2 stops40h 57m

Funchal Madeira

Wed 12/3

10:25 am-12:22 am

2 stops19h 57m

$537

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 1/8

5:13 pm-8:10 am

1 stop32h 57m

Lisbon Humberto Delgado

Sun 2/1

10:50 am-9:09 pm

2 stops40h 19m

$540

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 1/9

7:30 pm-8:10 am

1 stop30h 40m

Lisbon Humberto Delgado

Sun 2/1

10:50 am-9:09 pm

2 stops40h 19m

$540

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 11/11

4:05 pm-5:30 pm

1 stop19h 25m

Lisbon Humberto Delgado

Fri 11/21

5:00 am-9:07 pm

2 stops22h 07m

$548

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 11/26

12:19 pm-4:10 pm

2 stops21h 51m

Funchal Madeira

Wed 12/3

3:55 pm-7:10 pm

1 stop33h 15m

$567

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Wed 11/26

3:45 pm-4:10 pm

1 stop18h 25m

Funchal Madeira

Wed 12/3

3:55 pm-12:50 pm

1 stop26h 55m

$570

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 11/25

9:15 pm-9:45 pm

1 stop18h 30m

Lisbon Humberto Delgado

Tue 12/2

12:55 pm-7:10 pm

1 stop36h 15m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 53 results
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Best time to book a flight from Irving to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Irving 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 Irving to Portugal

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

Currently, December is the cheapest month in which you can book a flight from Irving to Portugal (average of $414). Flying from Irving to Portugal in June is currently the most expensive (average of $734). 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 1RV to PT?

Find hourly flight availability from Irving 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 October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 32% on flights from Irving to Portugal by exploring options for tickets in the evening.

What is the cheapest day to fly from Irving to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Irving to Portugal. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Irving to Portugal flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
Peruse reviews from past customers who have flown with Delta, Finnair, and United Airlines from Irving to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Finnair
7.6
Good
1,333 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Irving 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 Irving to Portugal?

    Departing from Irving to Portugal will take you 19h 25m. There are 4740 mi between Irving and Portugal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Irving to Portugal are Dallas/Fort Worth - Lisbon Humberto Delgado, Dallas/Fort Worth - Porto and Dallas/Fort Worth - Funchal Madeira.

  • Can I find deals for flights from Irving to Portugal that include hotel bookings?

    Yes. In addition to deals on Irving to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Irving to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Irving to Portugal.

  • Can I find deals for business class flights from Irving to Portugal?

    Yes. Cheapflights offers flight deals from Irving 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 Irving to Portugal?

    Currently, December is the cheapest month in which you can book a flight from Irving to Portugal (average of $414). Flying from Irving to Portugal in June is currently the most expensive (average of $734). 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.

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Top 10 airlines flying from Irving to Portugal

Discover the top 10 airlines that operate flights from Irving 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$531Average$722FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$939FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$536Average$835FlexibilityNo cancel feeOn-time70%
IberiaCheapest$537Average$771FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$539Average$843FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$551Average$705FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$554Average$1,010FlexibilityNo cancel feeOn-time69%
KLMCheapest$572Average$728FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$591Average$786FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$600Average$954FlexibilityNo cancel feeOn-time72%

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