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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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 April 25, 2025.

Round-trip from

$660
(Delta)

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
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 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 April 25, 2025.

This Delta deal was found by Cheapflights users on 4/24. 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 10/295:00 pmDFW - OPO
1 stop12h 50mDelta
Tue 11/45:00 amOPO - DFW
2 stops25h 08mDelta
Deal found 4/24$655
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 12/236:55 pmDFW - LIS
1 stop13h 50mAmerican Airlines
Wed 12/3110:40 amLIS - DFW
1 stop16h 25mAmerican Airlines
Deal found 4/23$659
This Delta deal was found by Cheapflights users on 4/23. 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 8/812:00 pmDFW - LIS
1 stop14h 00mDelta
Mon 8/189:50 amLIS - DFW
1 stop33h 45mDelta
Deal found 4/23$660
This United Airlines deal was found by Cheapflights users on 4/24. 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 10/111:25 amDFW - LIS
2 stops15h 55mUnited Airlines
Sun 10/512:55 pmLIS - DFW
2 stops32h 07mUnited Airlines
Deal found 4/24$661
This Air Canada deal was found by Cheapflights users on 4/24. 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.
Sat 11/17:15 amDFW - LIS
2 stops21h 05mAir Canada
Sat 11/155:00 amLIS - DFW
2 stops23h 22mAir Canada
Deal found 4/24$662
This British Airways deal was found by Cheapflights users on 4/25. 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.
Sun 10/1210:59 pmDFW - LIS
1 stop18h 06mBritish Airways
Sat 10/186:55 pmLIS - DFW
1 stop23h 40mBritish Airways
Deal found 4/25$663
This SWISS deal was found by Cheapflights users on 4/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:00 amDFW - LIS
2 stops34h 20mSWISS
Mon 8/185:55 amLIS - DFW
2 stops42h 32mSWISS
Deal found 4/25$664
This FlightHub deal was found by Cheapflights users on 4/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:20 pmDFW - OPO
1 stop16h 55mLufthansa
Tue 11/412:30 pmOPO - DFW
1 stop32h 05mLufthansa
Deal found 4/24$672
This KLM deal was found by Cheapflights users on 4/24. 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.
Fri 10/311:25 pmDFW - LIS
2 stops14h 35mMultiple Airlines
Sat 11/155:30 amLIS - DFW
1 stop14h 20mMultiple Airlines
Deal found 4/24$676
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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.
Tue 9/239:40 pmDFW - OPO
1 stop12h 15mIberia
Tue 10/78:15 amOPO - DFW
1 stop17h 55mIberia
Deal found 4/24$677
This British Airways deal was found by Cheapflights users on 4/24. 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.
Thu 11/1312:24 pmDFW - FNC
2 stops21h 56mBritish Airways
Thu 11/2012:00 pmFNC - DFW
2 stops29h 16mBritish Airways
Deal found 4/24$683
This Cheapflightsfares deal was found by Cheapflights users on 4/25. 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.
Wed 11/1912:30 pmDFW - LIS
2 stops20h 35mLufthansa
Fri 11/285:00 amLIS - DFW
2 stops23h 24mLufthansa
Deal found 4/25$697

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 April 25, 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

Fri 8/8

12:00 pm-8:00 am

1 stop14h 00m

Lisbon Humberto Delgado

Mon 8/18

9:50 am-1:35 pm

1 stop33h 45m

$660

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 10/1

11:25 am-9:20 am

2 stops15h 55m

Lisbon Humberto Delgado

Sun 10/5

12:55 pm-3:02 pm

2 stops32h 07m

$661

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 10/12

10:59 pm-11:05 pm

1 stop18h 06m

Lisbon Humberto Delgado

Sat 10/18

6:55 pm-12:35 pm

1 stop23h 40m

$663

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 8/3

7:00 am-11:20 pm

2 stops34h 20m

Lisbon Humberto Delgado

Mon 8/18

5:55 am-6:27 pm

2 stops42h 32m

$664

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 9/23

9:40 pm-3:55 pm

1 stop12h 15m

Porto

Tue 10/7

8:15 am-8:10 pm

1 stop17h 55m

$677

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 10/12

7:55 pm-11:05 am

1 stop33h 10m

Lisbon Humberto Delgado

Sun 10/26

11:00 am-10:22 pm

1 stop16h 22m

$690

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Mon 10/13

7:00 am-5:50 pm

2 stops28h 50m

Funchal Madeira

Mon 10/20

7:00 pm-10:59 am

2 stops45h 59m

$697

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 9/23

7:55 pm-9:20 am

2 stops31h 25m

Porto

Tue 10/7

6:00 am-10:52 am

2 stops34h 52m

$700

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 8/27

9:25 am-9:20 am

1 stop17h 55m

Lisbon Humberto Delgado

Wed 9/10

5:55 am-10:15 pm

2 stops22h 20m

$704

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Tue 9/23

9:40 pm-3:55 pm

1 stop12h 15m

Porto

Tue 10/7

12:20 pm-8:10 pm

1 stop13h 50m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

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, 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 $1,203). 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 April 25, 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 April 25, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair 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
7,920 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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
1,444 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

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 $289 and SWISS from $292 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 $1,203). 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$532Average$716FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$541Average$771FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$542Average$862FlexibilityNo cancel feeOn-time70%
DeltaCheapest$550Average$827FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$558Average$843FlexibilityNo cancel feeOn-time71%
IberiaCheapest$574Average$795FlexibilityNo cancel feeOn-time77%
KLMCheapest$586Average$724FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$589Average$1,056FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$612Average$796FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$616Average$755FlexibilityNo cancel feeOn-time77%

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