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$271+ Cheap flights from George Bush Intcntl (IAH) 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LIS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Houston George Bush Intcntl to Lisbon Humberto Delgado are usually found in February or January, booked 64 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from George Bush Intcntl to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$572
(Iberia)

One-way from

$310
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$600
Provider with most accurate pricing for Houston George Bush Intcntl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Lisbon Humberto Delgado flights.
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From Houston George Bush Intcntl to Lisbon Humberto Delgado
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One-way flight from Houston George Bush Intcntl to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 17% potential increase in price ($193 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from George Bush Intcntl to Lisbon

Cheapest flights from George Bush Intcntl to Lisbon
Explore the most affordable flight options available from George Bush Intcntl to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Iberia deal was found by Cheapflights users on 2/19. 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.
Mon 3/313:30 pmIAH - LIS
1 stop18h 10mMultiple Airlines
Wed 4/96:35 amLIS - IAH
2 stops23h 08mMultiple Airlines
Deal found 2/19$572
This CheapOair deal was found by Cheapflights users on 2/20. 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.
Mon 3/313:30 pmIAH - LIS
1 stop15h 15mBritish Airways
Wed 4/97:20 amLIS - IAH
1 stop17h 55mBritish Airways
Deal found 2/20$583
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/27:30 amIAH - LIS
2 stops19h 50mUnited Airlines
Tue 4/811:25 amLIS - IAH
2 stops32h 13mUnited Airlines
Deal found 2/19$585
This KLM deal was found by Cheapflights users on 2/18. 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.
Thu 3/204:25 pmIAH - LIS
1 stop13h 10mKLM
Thu 3/2711:25 amLIS - IAH
1 stop32h 10mKLM
Deal found 2/18$589
This Delta deal was found by Cheapflights users on 2/19. 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 3/164:25 pmIAH - LIS
1 stop17h 10mDelta
Mon 3/3111:40 amLIS - IAH
2 stops31h 41mDelta
Deal found 2/19$594
This Justfly.com deal was found by Cheapflights users on 2/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/188:45 amIAH - LIS
1 stop19h 35mAir Canada
Thu 3/2710:55 amLIS - IAH
2 stops39h 19mAir Canada
Deal found 2/18$600
This Air France deal was found by Cheapflights users on 2/19. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/215:10 pmIAH - LIS
1 stop19h 20mAir France
Fri 3/285:30 amLIS - IAH
1 stop14h 25mAir France
Deal found 2/19$602
This oojo deal was found by Cheapflights users on 2/20. 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 4/99:00 pmIAH - LIS
1 stop36h 30mTurkish Airlines
Fri 4/184:30 pmLIS - IAH
1 stop32h 35mTurkish Airlines
Deal found 2/20$664
This Travelocity deal was found by Cheapflights users on 2/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1010:45 pmIAH - LIS
2 stops19h 40mIberia
Mon 3/178:45 pmLIS - IAH
2 stops32h 33mIberia
Deal found 2/20$674
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/1912:11 pmIAH - LIS
2 stops15h 44mAmerican Airlines
Thu 3/276:30 amLIS - IAH
2 stops19h 12mAmerican Airlines
Deal found 2/18$732
This Finnair deal was found by Cheapflights users on 2/20. 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.
Mon 9/89:00 pmIAH - LIS
1 stop20h 10mFinnair
Mon 9/154:30 pmLIS - IAH
2 stops31h 13mFinnair
Deal found 2/20$771
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
Thu 4/173:35 pmIAH - LIS
1 stop24h 30mLufthansa
Wed 4/236:45 amLIS - IAH
1 stop36h 50mLufthansa
Deal found 2/20$797

Find flights from George Bush Intcntl to Lisbon within your budget

Customize your flight search to find flights from George Bush Intcntl 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 February 20, 2025.

Fly from

George Bush Intcntl

Fly to

Lisbon

Route

Depart

Return

Price

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 3/31

3:30 pm-3:40 pm

1 stop18h 10m

Lisbon Humberto Delgado

Wed 4/9

6:35 am-11:43 pm

2 stops23h 08m

$572

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 3/31

3:30 pm-12:45 pm

1 stop15h 15m

Lisbon Humberto Delgado

Wed 4/9

7:20 am-7:15 pm

1 stop17h 55m

$583

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 4/2

7:30 am-9:20 am

2 stops19h 50m

Lisbon Humberto Delgado

Tue 4/8

11:25 am-1:38 pm

2 stops32h 13m

$585

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 3/20

4:25 pm-10:35 am

1 stop13h 10m

Lisbon Humberto Delgado

Tue 3/25

11:25 am-2:35 pm

1 stop32h 10m

$589

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 3/18

8:45 am-9:20 am

1 stop19h 35m

Lisbon Humberto Delgado

Thu 3/27

10:55 am-9:14 pm

2 stops39h 19m

$600

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Fri 3/21

5:10 pm-5:30 pm

1 stop19h 20m

Lisbon Humberto Delgado

Fri 3/28

5:30 am-2:55 pm

1 stop14h 25m

$602

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 3/24

4:25 pm-11:10 pm

1 stop25h 45m

Lisbon Humberto Delgado

Mon 3/31

3:35 pm-1:25 pm

1 stop27h 50m

$613

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 4/9

9:00 pm-3:30 pm

1 stop36h 30m

Lisbon Humberto Delgado

Fri 4/18

4:30 pm-7:05 pm

1 stop32h 35m

$664

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 3/10

10:45 pm-11:25 pm

2 stops19h 40m

Lisbon Humberto Delgado

Mon 3/17

8:45 pm-12:18 am

2 stops32h 33m

$674

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 3/19

12:11 pm-8:55 am

2 stops15h 44m

Lisbon Humberto Delgado

Thu 3/27

6:30 am-8:42 pm

2 stops19h 12m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 18 results
1
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Compare providers for flights from George Bush Intcntl to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Lisbon in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Lisbon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Lisbon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Lisbon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from George Bush Intcntl 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.

Travel insights for flights from George Bush Intcntl to Lisbon

Get recent, data-driven insights about flights from George Bush Intcntl to Lisbon including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Lisbon. Price data was last updated on February 14, 2025.

The price you pay for your flight from Houston George Bush Intcntl Airport to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Lisbon (average of $612). Flying from Houston George Bush Intcntl Airport to Lisbon in June is currently the most expensive (average of $1,234). 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 IAH to LIS?

Find hourly flight availability from George Bush Intcntl 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 February 20, 2025.

When flying from Houston George Bush Intcntl Airport to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 13% versus a flight at noon.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Lisbon?

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

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Lisbon flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon 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 Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, 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 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 February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Houston to Lisbon to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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 George Bush Intcntl 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 Houston George Bush Intcntl?

    For a flight from Houston George Bush Intcntl to Lisbon, you will be flying into Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city. Humberto Delgado is the only Lisbon airport and it handles 0 inbound flights from Houston George Bush Intcntl per day. 9 airlines have flights to Lisbon Humberto Delgado from Houston George Bush Intcntl on a regular basis.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Lisbon round-trip?

    Flying on British Airways is currently your cheapest option to Lisbon, with prices starting at $583. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $585 and $589, respectively. These flights start at 36% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Lisbon one-way?

    The cheapest airlines for a one-way flight from Houston George Bush Intcntl Airport to Lisbon are United Airlines ($323), British Airways ($324), and American Airlines ($347).

  • Can I find deals for flights from George Bush Intcntl to Lisbon that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Lisbon?

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

  • Can I find deals for business class flights from George Bush Intcntl to Lisbon?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 Houston George Bush Intcntl Airport to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Lisbon (average of $612). Flying from Houston George Bush Intcntl Airport to Lisbon in June is currently the most expensive (average of $1,234). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Sintra
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

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Alternative routes for George Bush Intcntl to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Lisbon flights
Hobby to Porto flights
George Bush Intcntl to Porto flights
Hobby to Funchal flights
George Bush Intcntl to Funchal flights

Top 9 airlines flying from George Bush Intcntl to Lisbon

Discover the top 9 airlines that operate flights from George Bush Intcntl 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$563Average$1,026FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$570Average$965FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$578Average$1,086FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$585Average$846FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$600Average$1,070FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$655Average$725FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$684Average$1,459FlexibilityNo cancel feeOn-time76%
KLMCheapest$715Average$951FlexibilityNo cancel feeOn-time75%
DeltaCheapest$715Average$1,060FlexibilityNo cancel feeOn-timeN/A
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