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$355+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LIS
Dec 15 — Dec 221
Sun 12/15
Sun 12/22
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 November, booked 32 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 December 10, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$553
(United)

Popular in

June

Cheapest in

February

Average price

$913
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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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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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 December 10, 2024.

This Air France deal was found by Cheapflights users on 12/10. 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.
Tue 12/104:10 pmIAH - LIS
1 stop19h 20mAir France
Tue 12/1711:15 amLIS - IAH
2 stops17h 15mAir France
Deal found 12/10$906
This Delta deal was found by Cheapflights users on 12/10. 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.
Tue 12/101:10 pmIAH - LIS
2 stops16h 10mDelta
Tue 12/175:00 amLIS - IAH
2 stops20h 49mDelta
Deal found 12/10$914
This Virgin Atlantic deal was found by Cheapflights users on 12/9. 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.
Sun 12/156:40 amIAH - LIS
2 stops20h 15mVirgin Atlantic
Tue 12/2410:00 amLIS - IAH
2 stops19h 56mVirgin Atlantic
Deal found 12/9$988
This Priceline deal was found by Cheapflights users on 12/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/159:45 pmIAH - LIS
1 stop14h 00mMultiple Airlines
Tue 12/246:30 amLIS - IAH
2 stops20h 10mMultiple Airlines
Deal found 12/9$1,096
This KAYAK deal was found by Cheapflights users on 12/10. 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.
Fri 12/131:30 pmIAH - LIS
1 stop12h 25mBritish Airways
Thu 12/268:55 amLIS - IAH
1 stop18h 48mBritish Airways
Deal found 12/10$1,150
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/137:45 amIAH - LIS
2 stops18h 10mAmerican Airlines
Thu 12/268:55 amLIS - IAH
2 stops17h 45mAmerican Airlines
Deal found 12/10$1,154
This United deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/105:00 pmIAH - LIS
1 stop11h 15mUnited Airlines
Tue 12/1711:00 amLIS - IAH
1 stop17h 18mUnited Airlines
Deal found 12/10$1,187
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Sun 12/159:30 amIAH - LIS
2 stops17h 50mAir Canada
Sun 12/2210:50 amLIS - IAH
2 stops41h 28mAir Canada
Deal found 12/10$1,326
This KLM deal was found by Cheapflights users on 12/9. 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.
Sun 12/293:25 pmIAH - LIS
1 stop13h 10mKLM
Sun 1/511:25 amLIS - IAH
1 stop32h 10mKLM
Deal found 12/9$1,755
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/219:20 pmIAH - LIS
1 stop31h 15mTurkish Airlines
Tue 12/3111:35 amLIS - IAH
1 stop37h 50mTurkish Airlines
Deal found 12/10$2,351
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/214:00 pmIAH - LIS
2 stops25h 05mSWISS
Tue 12/315:35 amLIS - IAH
2 stops18h 00mSWISS
Deal found 12/10$2,530
This Lufthansa deal was found by Cheapflights users on 12/10. 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 12/236:50 pmIAH - LIS
1 stop19h 10mLufthansa
Fri 1/36:10 amLIS - IAH
1 stop16h 30mLufthansa
Deal found 12/10$2,735

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 2,857,848 searches. Data last updated December 10, 2024.

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HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 2/2

4:20 pm-8:10 am

1 stop33h 50m

Lisbon Humberto Delgado

Wed 2/12

11:00 am-11:12 am

1 stop30h 12m

$553

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 2/2

9:30 am-9:20 am

2 stops41h 50m

Lisbon Humberto Delgado

Wed 2/12

5:00 am-6:45 pm

2 stops19h 45m

$557

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 2/1

8:05 am-9:20 am

2 stops19h 15m

Lisbon Humberto Delgado

Sat 2/8

11:00 am-3:47 pm

2 stops34h 47m

$559

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 2/2

9:45 pm-5:45 pm

1 stop14h 00m

Lisbon Humberto Delgado

Wed 2/12

11:15 am-9:41 pm

1 stop16h 26m

$567

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 1/14

11:15 am-8:00 am

2 stops14h 45m

Lisbon Humberto Delgado

Wed 1/22

11:25 am-1:35 pm

1 stop32h 10m

$590

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 1/15

3:55 pm-2:55 pm

1 stop17h 00m

Lisbon Humberto Delgado

Wed 1/22

11:15 am-9:41 pm

1 stop16h 26m

$592

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 1/14

6:20 am-8:00 am

2 stops19h 40m

Lisbon Humberto Delgado

Wed 1/22

10:00 am-11:59 pm

2 stops19h 59m

$596

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 3/9

10:20 pm-10:05 am

1 stop30h 45m

Lisbon Humberto Delgado

Mon 3/17

11:35 am-2:20 pm

1 stop31h 45m

$638

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 5/6

9:00 pm-11:00 pm

1 stop20h 00m

Lisbon Humberto Delgado

Tue 5/20

6:35 am-11:07 pm

2 stops22h 32m

$674

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 3/19

10:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Mon 3/31

5:00 am-1:25 pm

1 stop14h 25m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 December 6, 2024.

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 32 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 $1,180). 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 December 10, 2024.

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 11% 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 8, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Lisbon flight should consider departing on Tuesday at noon 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.