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Portugal

$288+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
mai 4 — mai 111
dim. 5/4
dim. 5/11
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 avril 29, 2025.

Round-trip from

$682
(Cheapflightsfares)

One-way from

$288
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$685
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. 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 April 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 avril 29, 2025.

This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/129:20 pmDFW - LIS
1 stop19h 45mBritish Airways
sam. 10/186:55 pmLIS - DFW
1 stop23h 40mBritish Airways
Deal found 4/28$663
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.
mar. 10/2111:15 amDFW - LIS
1 stop17h 30mDelta
sam. 10/255:40 amLIS - DFW
2 stops23h 20mDelta
Deal found 4/29$670
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.
ven. 11/217:15 amDFW - LIS
1 stop20h 05mAir Canada
sam. 11/2911:00 amLIS - DFW
1 stop16h 49mAir Canada
Deal found 4/29$671
This Travelocity deal was found by Cheapflights users on 4/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/141:13 pmDFW - LIS
2 stops22h 52mIberia
dim. 12/218:45 pmLIS - DFW
2 stops28h 55mIberia
Deal found 4/28$678
This United Airlines deal was found by Cheapflights users on 4/28. 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.
jeu. 11/205:35 pmDFW - LIS
1 stop33h 45mUnited Airlines
sam. 11/2911:00 amLIS - DFW
2 stops27h 34mUnited Airlines
Deal found 4/28$681
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.
mar. 9/237:55 pmDFW - OPO
2 stops31h 25mAir Canada
mar. 10/76:00 amOPO - DFW
2 stops21h 33mAir Canada
Deal found 4/29$692
This Air Canada deal was found by Cheapflights users on 4/28. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:55 pmDFW - OPO
2 stops31h 25mMultiple Airlines
mar. 10/76:00 amOPO - DFW
2 stops34h 52mMultiple Airlines
Deal found 4/28$699
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/103:20 pmDFW - LIS
1 stop25h 50mFinnair
mar. 9/306:35 amLIS - DFW
1 stop19h 35mFinnair
Deal found 4/29$701
This Iberia deal was found by Cheapflights users on 4/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/239:40 pmDFW - OPO
1 stop16h 15mIberia
mar. 10/712:20 pmOPO - DFW
1 stop13h 50mIberia
Deal found 4/28$704
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/32:25 pmDFW - LIS
2 stops12h 40mAmerican Airlines
sam. 9/206:35 amLIS - DFW
1 stop19h 35mAmerican Airlines
Deal found 4/29$708
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/72:25 pmDFW - OPO
2 stops15h 15mAmerican Airlines
lun. 10/138:15 amOPO - DFW
1 stop17h 55mAmerican Airlines
Deal found 4/28$709
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/122:35 pmDFW - LIS
2 stops18h 10mMultiple Airlines
jeu. 3/1911:00 amLIS - DFW
1 stop15h 49mMultiple Airlines
Deal found 4/28$710

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 avril 29, 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

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 7/15

9:40 pm-4:05 pm

1 stop12h 25m

Lisbon Humberto Delgado

mer. 8/6

6:35 am-4:10 pm

1 stop15h 35m

$682

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

dim. 7/13

11:10 am-10:45 am

1 stop17h 35m

Lisbon Humberto Delgado

mer. 8/6

12:45 pm-10:46 pm

1 stop16h 01m

$689

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

lun. 5/12

10:59 pm-11:10 pm

1 stop18h 11m

Lisbon Humberto Delgado

jeu. 3/19

6:30 am-6:00 pm

1 stop16h 30m

$694

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

lun. 6/30

10:59 pm-11:10 pm

1 stop18h 11m

Lisbon Humberto Delgado

mer. 7/9

6:35 am-4:15 pm

1 stop15h 40m

$701

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

lun. 5/12

2:35 pm-2:45 pm

2 stops18h 10m

Lisbon Humberto Delgado

jeu. 3/19

11:00 am-9:49 pm

1 stop15h 49m

$710

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

dim. 7/13

9:25 am-9:20 am

1 stop17h 55m

Lisbon Humberto Delgado

jeu. 7/24

11:25 am-5:03 pm

2 stops35h 38m

$711

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

sam. 7/12

7:50 pm-11:05 am

1 stop33h 15m

Lisbon Humberto Delgado

lun. 7/21

12:50 pm-11:24 am

2 stops28h 34m

$724

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

dim. 7/20

11:47 am-6:10 pm

2 stops24h 23m

Funchal Madeira

dim. 7/27

1:10 pm-10:48 am

2 stops51h 38m

$765

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 7/1

4:18 pm-9:50 pm

2 stops23h 32m

Lisbon Humberto Delgado

ven. 7/11

5:05 am-2:05 pm

1 stop15h 00m

$771

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 5/13

7:00 am-11:20 pm

2 stops34h 20m

Lisbon Humberto Delgado

sam. 5/24

5:55 am-10:45 pm

2 stops22h 50m

$799

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 51 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 $1,178). 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 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 avril 29, 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.

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 avril 29, 2025.
Get a feel of what it's like to fly with Delta, Finnair and SWISS from Irving to Portugal by reading reviews from past customers. 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
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

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 Irving 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 Irving to Portugal one-way?

    One-way options have recently been found by users for as low as $288 on United Airlines. Other airlines that offer cheap prices include Air Canada from $291 and Virgin Atlantic from $293 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 $1,178). 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.

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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 avril 29, 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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