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Lisbon

$233+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — LIS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 18 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 July 31, 2025.

Round-trip from

$635
(United Airlines)

One-way from

$233
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$801
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 ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:25 amDFW - LIS
2 stops19h 40mUnited Airlines
Thu 10/2311:25 amLIS - DFW
3 stops38h 26mUnited Airlines
Deal found 7/31$631
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Wed 11/193:45 pmDFW - LIS
2 stops17h 05mAir Canada
Fri 11/285:00 amLIS - DFW
2 stops22h 32mAir Canada
Deal found 7/29$632
This CheapOair deal was found by Cheapflights users on 7/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:35 pmDFW - LIS
1 stop19h 55mBritish Airways
Mon 11/103:50 pmLIS - DFW
2 stops29h 10mBritish Airways
Deal found 7/31$634
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/93:50 pmDFW - LIS
1 stop24h 15mLufthansa
Thu 10/305:00 amLIS - DFW
2 stops42h 29mLufthansa
Deal found 7/29$637
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:15 pmDFW - LIS
2 stops16h 50mMultiple Airlines
Sat 11/296:40 pmLIS - DFW
2 stops33h 10mMultiple Airlines
Deal found 7/30$639
This Delta deal was found by Cheapflights users on 7/30. 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.
Mon 10/135:51 pmDFW - LIS
2 stops18h 49mDelta
Mon 10/275:00 amLIS - DFW
2 stops21h 48mDelta
Deal found 7/30$640
This Iberia deal was found by Cheapflights users on 7/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/235:20 pmDFW - LIS
1 stop20h 45mIberia
Sat 11/294:45 pmLIS - DFW
2 stops28h 15mIberia
Deal found 7/31$650
This SWISS deal was found by Cheapflights users on 7/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:10 amDFW - LIS
2 stops25h 35mSWISS
Tue 9/23:45 pmLIS - DFW
2 stops36h 30mSWISS
Deal found 7/29$664

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 July 31, 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

Tue 10/14

9:25 am-11:05 am

2 stops19h 40m

Lisbon Humberto Delgado

Thu 10/23

11:25 am-7:51 pm

3 stops38h 26m

$631

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Wed 11/19

3:45 pm-2:50 pm

2 stops17h 05m

Lisbon Humberto Delgado

Fri 11/28

5:00 am-9:32 pm

2 stops22h 32m

$632

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 11/1

9:35 pm-10:30 pm

1 stop19h 55m

Lisbon Humberto Delgado

Mon 11/10

3:50 pm-3:00 pm

2 stops29h 10m

$634

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 10/9

3:50 pm-10:05 pm

1 stop24h 15m

Lisbon Humberto Delgado

Thu 10/30

5:00 am-6:29 pm

2 stops42h 29m

$637

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 1/15

5:20 pm-6:05 pm

1 stop18h 45m

Lisbon Humberto Delgado

Sun 1/25

8:45 pm-5:00 pm

1 stop26h 15m

$638

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Sat 11/22

9:15 pm-8:05 pm

2 stops16h 50m

Lisbon Humberto Delgado

Sat 11/29

6:40 pm-9:50 pm

2 stops33h 10m

$639

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 10/13

5:51 pm-6:40 pm

2 stops18h 49m

Lisbon Humberto Delgado

Mon 10/27

5:00 am-9:48 pm

2 stops21h 48m

$640

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Thu 12/4

9:40 am-8:00 am

2 stops16h 20m

Lisbon Humberto Delgado

Mon 12/8

10:00 am-9:08 pm

1 stop17h 08m

$658

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Tue 8/19

7:10 am-2:45 pm

2 stops25h 35m

Lisbon Humberto Delgado

Tue 9/2

3:45 pm-10:15 pm

2 stops36h 30m

$664

DallasLisbon

DFW - LIS

DFWLIS

Dallas/Fort Worth

Mon 10/13

9:25 am-9:20 am

1 stop17h 55m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 19 results
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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 July 25, 2025.

The best time to book flights from Irving to Lisbon is 18 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, January is the cheapest month in which you can book a flight from Irving to Lisbon (average of $612). Flying from Irving to Lisbon in June is currently the most expensive (average of $1,129). 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 July 31, 2025.

When flying from Irving to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Monday at noon when fares are most often at their lowest. Friday 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 July 31, 2025.
Read through reviews of airlines operating flights from Irving to Lisbon, such as Delta, KLM, and SWISS. 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
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.3
Good
350 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 United Airlines ($233), Air Canada ($234), and Brussels Airlines ($236).

  • 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, January is the cheapest month in which you can book a flight from Irving to Lisbon (average of $612). Flying from Irving to Lisbon in June is currently the most expensive (average of $1,129). 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
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$532Average$722FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$543Average$813FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$546Average$771FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$547Average$735FlexibilityNo cancel feeOn-time70%
IberiaCheapest$560Average$718FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$570Average$808FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$571Average$708FlexibilityNo cancel feeOn-time77%
KLMCheapest$572Average$727FlexibilityNo cancel feeOn-time75%
DeltaCheapest$583Average$788FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$611Average$790FlexibilityNo cancel feeOn-time67%

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