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Portugal

$233+ 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
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
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 septembre 15, 2025.

Round-trip from

$488
(Iberia)

One-way from

$233
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$759
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 September 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 septembre 15, 2025.

This Iberia deal was found by Cheapflights users on 9/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2710:31 amDFW - FNC
2 stops45h 59mIberia
mer. 11/122:10 pmFNC - DFW
2 stops37h 03mIberia
Deal found 9/13$488
This British Airways deal was found by Cheapflights users on 9/13. 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.
lun. 10/2710:15 pmDFW - FNC
1 stop35h 50mBritish Airways
mer. 11/123:55 pmFNC - DFW
1 stop33h 15mBritish Airways
Deal found 9/13$503
This Mytrip deal was found by Cheapflights users on 9/13. 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.
mar. 10/2812:20 pmDFW - OPO
2 stops18h 45mMultiple Airlines
mar. 11/46:00 amOPO - DFW
2 stops21h 32mMultiple Airlines
Deal found 9/13$533
This United Airlines deal was found by Cheapflights users on 9/14. 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. 10/207:00 amDFW - OPO
1 stop20h 45mUnited Airlines
mer. 11/512:35 pmOPO - DFW
2 stops26h 16mUnited Airlines
Deal found 9/14$535
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/25:35 pmDFW - OPO
2 stops16h 25mIberia
mar. 12/168:20 amOPO - DFW
2 stops19h 15mIberia
Deal found 9/14$558
This Ovago deal was found by Cheapflights users on 9/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/21:55 pmDFW - OPO
1 stop11h 45mBritish Airways
mar. 12/168:20 amOPO - DFW
1 stop14h 10mBritish Airways
Deal found 9/14$564
This Delta deal was found by Cheapflights users on 9/13. 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.
mer. 11/124:05 pmDFW - LIS
1 stop13h 15mDelta
dim. 11/235:30 amLIS - DFW
1 stop14h 30mDelta
Deal found 9/13$579
This Delta deal was found by Cheapflights users on 9/13. 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.
lun. 11/39:44 amDFW - LIS
2 stops16h 16mDelta
sam. 11/1512:20 pmLIS - DFW
1 stop31h 40mDelta
Deal found 9/13$580
This KAYAK deal was found by Cheapflights users on 9/14. 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.
dim. 11/24:15 pmDFW - LIS
2 stops25h 15mLufthansa
mer. 12/106:10 amLIS - DFW
2 stops38h 15mLufthansa
Deal found 9/14$581
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mer. 11/57:00 amDFW - LIS
2 stops21h 15mUnited Airlines
lun. 11/105:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 9/14$582
This United Airlines deal was found by Cheapflights users on 9/13. 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.
mer. 10/297:05 amDFW - LIS
1 stop20h 50mUnited Airlines
sam. 11/155:00 amLIS - DFW
2 stops23h 44mUnited Airlines
Deal found 9/13$584
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/163:50 pmDFW - LIS
1 stop24h 15mLufthansa
mar. 10/215:05 amLIS - DFW
1 stop15h 00mLufthansa
Deal found 9/15$585

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 septembre 15, 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

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 10/28

12:20 pm-12:05 pm

2 stops18h 45m

Porto

mar. 11/4

6:00 am-9:32 pm

2 stops21h 32m

$533

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

lun. 10/20

9:25 am-9:45 am

2 stops18h 20m

Porto

mer. 11/5

12:35 pm-8:51 am

2 stops26h 16m

$535

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 12/2

5:35 pm-4:00 pm

2 stops16h 25m

Porto

mar. 12/16

8:20 am-9:35 pm

2 stops19h 15m

$558

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

mar. 12/2

1:55 pm-7:40 am

1 stop11h 45m

Porto

mar. 12/16

8:20 am-4:30 pm

1 stop14h 10m

$564

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jeu. 3/12

5:55 pm-3:25 pm

1 stop16h 30m

Lisbon Humberto Delgado

ven. 3/20

11:05 am-9:09 pm

1 stop15h 04m

$584

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

jeu. 10/30

1:33 pm-5:10 pm

2 stops22h 37m

Funchal Madeira

jeu. 11/6

10:20 am-11:59 pm

2 stops19h 39m

$591

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

ven. 11/14

9:58 am-9:30 am

2 stops17h 32m

Porto

mar. 11/18

6:00 am-10:44 pm

2 stops22h 44m

$594

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jeu. 3/12

5:10 am-8:10 am

2 stops22h 00m

Lisbon Humberto Delgado

ven. 3/20

11:55 am-11:13 am

1 stop28h 18m

$599

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

ven. 2/20

1:20 pm-8:10 am

1 stop12h 50m

Lisbon Humberto Delgado

dim. 3/1

10:15 am-6:21 pm

1 stop14h 06m

$599

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jeu. 3/12

5:10 am-8:10 am

2 stops22h 00m

Lisbon Humberto Delgado

mer. 3/18

11:55 am-11:13 am

1 stop28h 18m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 56 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, January is the cheapest month in which you can book a flight from Irving to Portugal (average of $612). Flying from Irving to Portugal in June is currently the most expensive (average of $1,127). 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 septembre 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irving to Portugal as you normally would.

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 septembre 15, 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
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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!
Finnair
7.6
Good
1,323 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

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 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 17h 20m. There are 3934 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 cheapest airlines to fly from Irving to Portugal one-way?

    One-way options have recently been found by users for as low as $233 on Air Canada. Other airlines that offer cheap prices include United Airlines from $233 and KLM from $238 one-way.

  • 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, January is the cheapest month in which you can book a flight from Irving to Portugal (average of $612). Flying from Irving to Portugal in June is currently the most expensive (average of $1,127). 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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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 septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$532Average$722FlexibilityNo cancel feeOn-time76%
DeltaCheapest$534Average$944FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$539Average$802FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$540Average$866FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$546Average$771FlexibilityNo cancel feeOn-time72%
IberiaCheapest$560Average$776FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$564Average$1,013FlexibilityNo cancel feeOn-time69%
KLMCheapest$572Average$725FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$577Average$709FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$589Average$784FlexibilityNo cancel feeOn-time67%

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