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Lisbon

$217+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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

Keep the following information in mind while searching for Irving to Lisbon flight deals. Data was last updated octubre 30, 2025.

Round-trip from

$538
(Finnair)

One-way from

$223
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$620
From Irving to Lisbon Humberto Delgado
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One-way flight from Irving to Lisbon Humberto Delgado
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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 October 2025
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Find 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 octubre 30, 2025.

This Finnair deal was found by Cheapflights users on 10/28. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2811:45 amDFW - LIS
1 stop15h 05mMultiple Airlines
dom. 12/74:10 pmLIS - DFW
1 stop29h 00mMultiple Airlines
Deal found 10/28$538
This Finnair deal was found by Cheapflights users on 10/30. 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.
mar. 11/111:10 pmDFW - LIS
1 stop13h 55mMultiple Airlines
vie. 11/2111:05 amLIS - DFW
1 stop13h 35mMultiple Airlines
Deal found 10/30$539
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/309:58 amDFW - LIS
2 stops17h 12mUnited Airlines
jue. 11/65:00 amLIS - DFW
2 stops19h 23mUnited Airlines
Deal found 10/29$547
This Delta deal was found by Cheapflights users on 10/29. 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. 11/114:05 pmDFW - LIS
1 stop19h 25mDelta
vie. 11/215:00 amLIS - DFW
2 stops22h 07mDelta
Deal found 10/29$548
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/137:00 amDFW - LIS
1 stop19h 00mDelta
lun. 11/1712:20 pmLIS - DFW
1 stop31h 40mDelta
Deal found 10/28$551
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 11/288:44 pmDFW - LIS
3 stops30h 11mUnited Airlines
dom. 12/711:55 amLIS - DFW
1 stop14h 18mUnited Airlines
Deal found 10/28$555
This Delta deal was found by Cheapflights users on 10/30. 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.
vie. 11/284:19 pmDFW - LIS
2 stops19h 11mDelta
dom. 12/711:15 amLIS - DFW
1 stop17h 59mDelta
Deal found 10/30$559
This Virgin Atlantic deal was found by Cheapflights users on 10/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:45 amDFW - LIS
2 stops17h 15mVirgin Atlantic
jue. 11/2010:00 amLIS - DFW
1 stop17h 07mVirgin Atlantic
Deal found 10/30$561
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/410:10 amDFW - LIS
2 stops16h 00mUnited Airlines
mar. 11/115:00 amLIS - DFW
1 stop15h 25mUnited Airlines
Deal found 10/29$567
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/34:05 pmDFW - LIS
1 stop19h 25mDelta
jue. 11/135:00 amLIS - DFW
2 stops18h 18mDelta
Deal found 10/28$571
This Finnair deal was found by Cheapflights users on 10/30. 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.
mié. 12/3110:30 amDFW - LIS
1 stop14h 25mMultiple Airlines
mié. 1/74:10 pmLIS - DFW
1 stop29h 00mMultiple Airlines
Deal found 10/30$572

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 octubre 30, 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

jue. 1/8

5:13 pm-8:10 am

1 stop32h 57m

Lisbon Humberto Delgado

dom. 2/1

10:50 am-9:09 pm

2 stops40h 19m

$540

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

vie. 1/9

7:30 pm-8:10 am

1 stop30h 40m

Lisbon Humberto Delgado

dom. 2/1

10:50 am-9:09 pm

2 stops40h 19m

$540

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 11/11

4:05 pm-5:30 pm

1 stop19h 25m

Lisbon Humberto Delgado

vie. 11/21

5:00 am-9:07 pm

2 stops22h 07m

$548

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 11/25

9:15 pm-9:45 pm

1 stop18h 30m

Lisbon Humberto Delgado

mar. 12/2

12:55 pm-7:10 pm

1 stop36h 15m

$574

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 11/18

1:10 pm-9:05 am

1 stop13h 55m

Lisbon Humberto Delgado

sáb. 11/22

6:30 am-4:40 pm

1 stop16h 10m

$652

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

sáb. 12/13

1:30 pm-9:05 am

1 stop13h 35m

Lisbon Humberto Delgado

jue. 12/18

8:55 am-5:49 pm

1 stop14h 54m

$664

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

dom. 11/23

8:44 pm-10:15 am

2 stops31h 31m

Lisbon Humberto Delgado

jue. 11/27

10:15 am-12:44 pm

2 stops32h 29m

$696

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

jue. 12/18

1:41 pm-9:05 am

1 stop13h 24m

Lisbon Humberto Delgado

sáb. 12/27

10:40 am-8:00 pm

1 stop15h 20m

$697

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

lun. 12/22

1:41 pm-9:05 am

1 stop13h 24m

Lisbon Humberto Delgado

mar. 12/30

4:10 pm-3:10 pm

1 stop29h 00m

$717

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

mar. 12/16

5:10 pm-10:15 am

1 stop11h 05m

Lisbon Humberto Delgado

mié. 12/24

11:00 am-9:32 pm

1 stop16h 32m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 October 24, 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, October is the cheapest month in which you can book a flight from Irving to Lisbon (average of $496). Flying from Irving to Lisbon in June is currently the most expensive (average of $734). 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 octubre 30, 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 octubre 30, 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
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Finnair
7.6
Good
1,333 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 18h 30m. The distance from Irving to Lisbon is about 4740 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, October is the cheapest month in which you can book a flight from Irving to Lisbon (average of $496). Flying from Irving to Lisbon in June is currently the most expensive (average of $734). 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
Sintra
Fátima
Oeiras
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$531Average$722FlexibilityNo cancel feeOn-time76%
DeltaCheapest$532Average$782FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$536Average$739FlexibilityNo cancel feeOn-time70%
IberiaCheapest$537Average$704FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$539Average$834FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$551Average$705FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$554Average$791FlexibilityNo cancel feeOn-time69%
KLMCheapest$572Average$728FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$591Average$786FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$600Average$954FlexibilityNo cancel feeOn-time72%

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