HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portugal

$287+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Irving to Portugal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 3, 2025.

Round-trip from

$581
(Booking.com)

One-way from

$287
(Air France)

Popular in

June

Cheapest in

February

Average price

$683
From Irving to Portugal
Search Deals
One-way flight from Irving to Portugal
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 3, 2025.

This British Airways deal was found by Cheapflights users on 3/31. 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 11/35:20 pmDFW - OPO
1 stop20h 40mMultiple Airlines
Wed 11/128:20 amOPO - DFW
2 stops16h 25mMultiple Airlines
Deal found 3/31$541
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 11/1911:35 amDFW - OPO
2 stops21h 40mUnited Airlines
Thu 11/276:00 amOPO - DFW
2 stops46h 22mUnited Airlines
Deal found 4/1$542
This Orbitz deal was found by Cheapflights users on 4/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:25 pmDFW - OPO
2 stops19h 40mBritish Airways
Wed 11/198:20 amOPO - DFW
2 stops16h 25mBritish Airways
Deal found 4/1$544
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 11/312:24 pmDFW - OPO
2 stops17h 21mAmerican Airlines
Wed 11/128:20 amOPO - DFW
2 stops19h 30mAmerican Airlines
Deal found 3/31$546
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:00 pmDFW - OPO
1 stop12h 50mKLM
Wed 11/1911:15 amOPO - DFW
2 stops18h 53mKLM
Deal found 4/1$552
This Lufthansa deal was found by Cheapflights users on 3/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:20 pmDFW - OPO
1 stop24h 05mLufthansa
Wed 11/124:30 pmOPO - DFW
1 stop28h 05mLufthansa
Deal found 3/31$566
This Iberia deal was found by Cheapflights users on 4/1. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:09 amDFW - OPO
2 stops15h 26mIberia
Tue 10/712:20 pmOPO - DFW
1 stop13h 50mIberia
Deal found 4/1$576
This Gurufare deal was found by Cheapflights users on 4/2. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:59 pmDFW - LIS
1 stop18h 06mBritish Airways
Mon 10/208:45 pmLIS - DFW
1 stop29h 25mBritish Airways
Deal found 4/2$608
This Air Canada deal was found by Cheapflights users on 4/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:15 amDFW - LIS
1 stop20h 05mAir Canada
Fri 11/1411:00 amLIS - DFW
2 stops41h 24mAir Canada
Deal found 4/1$611
This Lufthansa deal was found by Cheapflights users on 4/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:55 pmDFW - LIS
2 stops23h 35mLufthansa
Mon 12/13:55 pmLIS - DFW
2 stops56h 31mLufthansa
Deal found 4/2$612
This Delta deal was found by Cheapflights users on 4/1. 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.
Sun 4/277:00 amDFW - LIS
1 stop21h 45mDelta
Thu 5/1510:00 amLIS - DFW
1 stop16h 34mDelta
Deal found 4/1$613
This Finnair deal was found by Cheapflights users on 4/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/169:40 pmDFW - LIS
1 stop19h 45mMultiple Airlines
Mon 10/2711:05 amLIS - DFW
1 stop17h 42mMultiple Airlines
Deal found 4/2$614

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 3, 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

Sun 5/4

10:59 pm-8:20 pm

1 stop15h 21m

Porto

Tue 5/20

12:20 pm-8:10 pm

1 stop13h 50m

$581

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 4/24

10:59 pm-10:05 am

1 stop29h 06m

Lisbon Humberto Delgado

Wed 5/7

12:30 pm-8:10 pm

1 stop13h 40m

$610

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 4/27

7:00 am-10:45 am

1 stop21h 45m

Lisbon Humberto Delgado

Tue 5/13

12:45 pm-10:33 pm

1 stop15h 48m

$613

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

9:40 pm-3:55 pm

1 stop12h 15m

Porto

Mon 5/19

8:35 pm-8:10 pm

1 stop29h 35m

$614

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Mon 5/5

3:00 pm-5:55 pm

2 stops20h 55m

Porto

Thu 5/15

4:20 pm-11:31 am

2 stops25h 11m

$615

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 8/6

4:50 pm-3:40 pm

1 stop16h 50m

Lisbon Humberto Delgado

Mon 8/18

4:30 pm-3:05 pm

1 stop28h 35m

$620

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sun 8/10

11:20 am-8:00 am

2 stops14h 40m

Lisbon Humberto Delgado

Tue 8/19

5:00 am-4:47 pm

2 stops17h 47m

$622

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 5/5

3:50 pm-5:50 pm

1 stop20h 00m

Lisbon Humberto Delgado

Thu 5/15

12:45 pm-11:59 pm

2 stops17h 14m

$626

DallasPorto

DFW - OPO

DFWOPO

Dallas/Fort Worth

Sun 5/4

7:00 am-6:15 pm

2 stops29h 15m

Porto

Tue 5/20

6:00 am-9:44 pm

2 stops21h 44m

$626

DallasFunchal

DFW - FNC

DFWFNC

Dallas/Fort Worth

Thu 9/25

10:00 am-12:05 pm

2 stops20h 05m

Funchal Madeira

Sun 10/5

1:10 pm-8:03 pm

2 stops36h 53m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 47 results
1
2
3
...
5

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 3, 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 3, 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
7,897 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,574 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,427 reviews
Delta
8.0
Very good
7,897 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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 $287 on Air France. Other airlines that offer cheap prices include Delta from $296 and British Airways from $311 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 - Ponta Delgada Nordela.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Irving to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Heathrow flights
Dallas/Fort Worth to Charles de Gaulle flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Frankfurt flights
Hobby to Heathrow flights
Dallas/Fort Worth to Madrid flights
Dallas/Fort Worth to Istanbul flights
Dallas/Fort Worth to Barcelona-El Prat flights
George Bush Intcntl to Heathrow flights
Austin to Heathrow flights
Dallas/Fort Worth to Dublin flights
Dallas/Fort Worth to Gatwick flights
Hobby to Charles de Gaulle flights
Dallas/Fort Worth to Orly flights
Dallas/Fort Worth to Athens flights
Love Field to Heathrow flights
Hobby to Leonardo da Vinci/Fiumicino flights
Hobby to Istanbul flights
George Bush Intcntl to Istanbul flights
George Bush Intcntl to Charles de Gaulle flights
Hobby to Frankfurt flights
Dallas/Fort Worth to Lisbon flights
Love Field to Charles de Gaulle flights
Hobby to Madrid flights
Love Field to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Malpensa flights
Hobby to London City flights
Dallas/Fort Worth to Amsterdam flights
Hobby to Gatwick flights
Hobby to Athens flights
Love Field to Frankfurt flights
Dallas/Fort Worth to London City flights
Dallas/Fort Worth to Keflavik Intl flights
Love Field to Athens flights
George Bush Intcntl to Frankfurt flights
Dallas/Fort Worth to Sabiha Gokcen flights
Austin to Gatwick flights
George Bush Intcntl to Gatwick flights
George Bush Intcntl to Madrid flights
Love Field to Madrid flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
George Bush Intcntl to Athens flights
Love Field to Barcelona-El Prat flights
George Bush Intcntl to London City flights
Dallas/Fort Worth to Vicenza flights
Hobby to Barcelona-El Prat flights
Hobby to Lisbon flights
Love Field to Istanbul flights
Hobby to Amsterdam flights
Dallas/Fort Worth to Zurich flights

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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$534Average$717FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$541Average$771FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$542Average$848FlexibilityNo cancel feeOn-time70%
DeltaCheapest$550Average$847FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$558Average$846FlexibilityNo cancel feeOn-time71%
IberiaCheapest$585Average$831FlexibilityNo cancel feeOn-time77%
KLMCheapest$586Average$742FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$587Average$1,055FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$612Average$800FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$616Average$760FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.