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Lisbon

$228+ Cheap flights from Irving, TX to Lisbon (LIS)

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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Irving to Lisbon Humberto Delgado are usually found in February or October, booked 22 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Irving to Lisbon

Cheapest flights from Irving to Lisbon
Explore the most affordable flight options available from Irving to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:50 pmDFW - LIS
1 stop21h 00mBritish Airways
Tue 12/307:40 pmLIS - DFW
1 stop31h 30mBritish Airways
Deal found 12/15$609
This Finnair deal was found by Cheapflights users on 12/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:25 amDFW - LIS
1 stop16h 40mMultiple Airlines
Mon 12/224:10 pmLIS - DFW
1 stop29h 00mMultiple Airlines
Deal found 12/15$673
This oojo deal was found by Cheapflights users on 12/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/135:11 pmDFW - LIS
2 stops18h 44mBritish Airways
Thu 12/188:55 amLIS - DFW
1 stop21h 04mBritish Airways
Deal found 12/13$694
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:38 pmDFW - LIS
1 stop11h 17mBritish Airways
Wed 1/76:35 pmLIS - DFW
2 stops34h 55mBritish Airways
Deal found 12/15$704
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:30 amDFW - LIS
1 stop14h 25mBritish Airways
Thu 1/810:40 amLIS - DFW
2 stops39h 40mBritish Airways
Deal found 12/15$712
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:40 pmDFW - LIS
1 stop19h 05mBritish Airways
Tue 12/304:00 pmLIS - DFW
1 stop35h 10mBritish Airways
Deal found 12/15$721
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:50 pmDFW - LIS
1 stop33h 05mBritish Airways
Tue 12/307:40 pmLIS - DFW
2 stops29h 48mBritish Airways
Deal found 12/15$732
This Ovago deal was found by Cheapflights users on 12/14. 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.
Wed 12/246:50 pmDFW - LIS
1 stop21h 00mBritish Airways
Mon 12/297:05 amLIS - DFW
1 stop20h 05mBritish Airways
Deal found 12/14$733

Find flight deals from Irving to Lisbon

Keep the following information in mind while searching for Irving to Lisbon flight deals. Data was last updated December 16, 2025.

Round-trip from

$584
(Delta)

One-way from

$228
(oojo)

Popular in

June

Cheapest in

February

Average price

$780
From Irving to Lisbon Humberto Delgado
Search Deals
One-way flight from Irving to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Irving to Lisbon 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 December 16, 2025.
Use the filters below to find and compare flights from Irving to Lisbon that are best for you.

Fly from

Irving

Fly to

Lisbon

Route

Depart

Return

Price

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 1/8

12:40 pm-9:05 am

1 stop14h 25m

Lisbon Humberto Delgado

Sat 1/31

6:30 am-5:00 pm

1 stop16h 30m

$594

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 2/14

7:55 am-10:35 am

2 stops20h 40m

Lisbon Humberto Delgado

Sat 2/21

5:30 am-2:00 pm

1 stop14h 30m

$603

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 3/14

3:21 pm-9:05 am

1 stop12h 44m

Lisbon Humberto Delgado

Fri 3/20

4:10 pm-4:10 pm

1 stop29h 00m

$625

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Fri 1/9

3:00 pm-8:50 am

1 stop11h 50m

Lisbon Humberto Delgado

Sun 1/11

11:05 am-6:40 pm

1 stop13h 35m

$677

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 12/18

12:20 pm-10:15 am

1 stop15h 55m

Lisbon Humberto Delgado

Sat 12/27

11:55 am-1:13 am

1 stop19h 18m

$856

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 12/24

8:30 am-10:15 am

2 stops19h 45m

Lisbon Humberto Delgado

Sun 12/28

11:55 am-8:18 pm

2 stops38h 23m

$903

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 12/25

3:53 pm-9:55 pm

2 stops24h 02m

Lisbon Humberto Delgado

Mon 12/29

7:05 am-9:10 pm

1 stop20h 05m

$925

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 12/25

3:53 pm-9:55 pm

2 stops24h 02m

Lisbon Humberto Delgado

Tue 12/30

4:00 pm-9:41 pm

2 stops35h 41m

$931

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 1/20

7:35 am-4:05 pm

3 stops26h 30m

Lisbon Humberto Delgado

Fri 1/30

6:55 am-10:11 pm

2 stops21h 16m

$951

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 12/25

7:00 am-10:15 am

3 stops21h 15m

Lisbon Humberto Delgado

Sat 12/27

11:55 am-1:35 pm

2 stops31h 40m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 19 results
1
2

Best time to book a flight from Irving to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon 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 Lisbon

How far ahead should I book a flight from Irving to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Irving to Lisbon. Price data was last updated on December 12, 2025.

The best time to book flights from Irving to Lisbon is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Irving to Lisbon (average of $495). Flying from Irving to Lisbon in June is currently the most expensive (average of $735). 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 LIS?

Find hourly flight availability from Irving to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Irving to Lisbon in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.

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

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

Travelers seeking maximum savings on their Irving to Lisbon flight should consider departing on Thursday evenings 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 Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated December 16, 2025.
Read through reviews of airlines operating flights from Irving to Lisbon, such as Delta, Finnair, and United Airlines. 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
8,010 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,010 reviews
Delta
7.9
Good
8,010 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Finnair
7.6
Good
1,337 reviews
Delta
7.9
Good
8,010 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,094 reviews
Delta
7.9
Good
8,010 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,049 reviews
Delta
7.9
Good
8,010 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,578 reviews
Delta
7.9
Good
8,010 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Irving to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Lisbon from Irving?

    Most people fly into Lisbon Humberto Delgado (LIS) if they book a flight to Lisbon from Irving. On average, Humberto Delgado has 0 inbound flights from Irving per day from 11 airlines. Lisbon Humberto Delgado is conveniently located just 4.2 mi from Lisbon’s city center.

  • How long is the flight from Irving to Lisbon?

    Departing from Irving to Lisbon will take you 20h 40m. The distance from Irving to Lisbon is about 4740 mi.

  • What are the cheapest airlines to fly from Irving to Lisbon one-way?

    The cheapest airlines for a one-way flight from Irving to Lisbon are Brussels Airlines ($235), American Airlines ($237), and United Airlines ($238).

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Irving to Lisbon (average of $495). Flying from Irving to Lisbon in June is currently the most expensive (average of $735). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
Sesimbra
Colares

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Top 10 airlines flying from Irving to Lisbon

Discover the top 10 airlines that operate flights from Irving to Lisbon. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$523Average$745FlexibilityNo cancel feeOn-time70%
DeltaCheapest$527Average$782FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$530Average$705FlexibilityNo cancel feeOn-time77%
FinnairCheapest$535Average$727FlexibilityNo cancel feeOn-time76%
IberiaCheapest$537Average$699FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$538Average$791FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$538Average$810FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$565Average$779FlexibilityNo cancel feeOn-time67%
KLMCheapest$572Average$726FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$608Average$954FlexibilityNo cancel feeOn-time72%

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