HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$291+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LIS
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Lisbon with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Houston George Bush Intcntl to Lisbon Humberto Delgado are usually found in January or February, 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 enero 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$551
(Justfly.com)

One-way from

$291
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$669
Provider with most accurate pricing for Houston George Bush Intcntl-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Lisbon Humberto Delgado flights.
Search Deals
From Houston George Bush Intcntl to Lisbon Humberto Delgado
Search Deals
One-way flight from Houston George Bush Intcntl to Lisbon Humberto Delgado
Search Deals
High demand for flights, 18% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

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 enero 17, 2025.

This Justfly.com deal was found by Cheapflights users on 1/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/57:20 amIAH - LIS
1 stop20h 00mAir Canada
mar. 3/1111:00 amLIS - IAH
1 stop16h 28mAir Canada
Deal found 1/15$551
This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/59:45 amIAH - LIS
2 stops16h 25mUnited Airlines
vie. 3/145:00 amLIS - IAH
1 stop15h 40mUnited Airlines
Deal found 1/15$554
This FlightHub deal was found by Cheapflights users on 1/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/57:20 amIAH - LIS
1 stop20h 00mMultiple Airlines
mié. 3/125:00 amLIS - IAH
1 stop15h 40mMultiple Airlines
Deal found 1/15$555
This British Airways deal was found by Cheapflights users on 1/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/63:55 pmIAH - LIS
1 stop20h 05mBritish Airways
jue. 2/1310:55 amLIS - IAH
1 stop16h 35mBritish Airways
Deal found 1/16$558
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/143:55 pmIAH - LIS
1 stop14h 15mAmerican Airlines
mar. 11/1811:10 amLIS - IAH
2 stops18h 08mAmerican Airlines
Deal found 1/15$562
This Virgin Atlantic deal was found by Cheapflights users on 1/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/215:25 amIAH - LIS
2 stops21h 35mVirgin Atlantic
mié. 3/510:00 amLIS - IAH
2 stops19h 59mVirgin Atlantic
Deal found 1/15$564
This Travelocity deal was found by Cheapflights users on 1/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/294:53 pmIAH - LIS
2 stops24h 32mIberia
dom. 2/27:45 amLIS - IAH
2 stops21h 47mIberia
Deal found 1/14$571
This KLM deal was found by Cheapflights users on 1/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/283:25 pmIAH - LIS
1 stop17h 10mKLM
mar. 3/1111:25 amLIS - IAH
1 stop32h 10mKLM
Deal found 1/15$572
This Air France deal was found by Cheapflights users on 1/14. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/2911:54 amIAH - LIS
2 stops14h 06mAir France
dom. 2/25:30 amLIS - IAH
2 stops18h 08mAir France
Deal found 1/14$573
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/173:10 pmIAH - LIS
2 stops19h 00mDelta
lun. 3/245:30 amLIS - IAH
1 stop14h 25mDelta
Deal found 1/15$574
This oojo deal was found by Cheapflights users on 1/16. 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.
mar. 9/309:05 pmIAH - LIS
1 stop20h 30mTurkish Airlines
lun. 10/65:55 amLIS - IAH
1 stop19h 15mTurkish Airlines
Deal found 1/16$659
This Finnair deal was found by Cheapflights users on 1/16. 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. 5/63:30 pmIAH - LIS
1 stop25h 25mFinnair
mar. 5/206:35 amLIS - IAH
2 stops22h 32mFinnair
Deal found 1/16$663

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 enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

mié. 3/5

7:20 am-9:20 am

1 stop20h 00m

Lisbon Humberto Delgado

mar. 3/11

11:00 am-10:28 pm

1 stop16h 28m

$551

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

mié. 3/5

7:20 am-9:20 am

1 stop20h 00m

Lisbon Humberto Delgado

mié. 3/12

5:00 am-3:40 pm

1 stop15h 40m

$555

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

jue. 2/6

3:55 pm-6:00 pm

1 stop20h 05m

Lisbon Humberto Delgado

jue. 2/13

10:55 am-9:30 pm

1 stop16h 35m

$558

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

vie. 2/28

6:32 pm-10:00 am

1 stop33h 28m

Lisbon Humberto Delgado

mar. 3/11

11:00 am-7:05 pm

2 stops37h 05m

$560

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

jue. 2/6

10:10 am-9:05 am

2 stops16h 55m

Lisbon Humberto Delgado

jue. 2/13

12:30 pm-11:39 pm

2 stops17h 09m

$563

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

mar. 3/4

10:35 am-9:00 am

2 stops16h 25m

Lisbon Humberto Delgado

lun. 3/10

11:15 am-8:45 am

2 stops26h 30m

$564

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

jue. 2/13

3:25 pm-6:45 pm

1 stop21h 20m

Lisbon Humberto Delgado

jue. 2/20

3:25 pm-1:35 pm

1 stop28h 10m

$571

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

mié. 3/5

4:10 pm-5:30 pm

1 stop19h 20m

Lisbon Humberto Delgado

jue. 3/13

5:30 am-2:55 pm

1 stop14h 25m

$645

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

dom. 3/9

5:30 pm-3:05 pm

1 stop16h 35m

Lisbon Humberto Delgado

mié. 3/19

3:55 pm-3:40 pm

1 stop28h 45m

$650

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

mié. 5/7

3:30 pm-11:10 pm

1 stop25h 40m

Lisbon Humberto Delgado

jue. 5/15

7:30 am-7:15 pm

1 stop17h 45m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 19 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Houston George Bush Intcntl Airport-Lisbon flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 January 10, 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 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 $1,247). 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 enero 17, 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 enero 17, 2025.
Peruse reviews from past customers who have flown with Turkish Airlines and United Airlines 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
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Cathay Pacific
7.5
Good
823 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very good
8,511 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

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 Air Canada is currently your cheapest option to Lisbon, with prices starting at $551. Additional round-trip tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at $554 and $558, respectively. These flights start at 42% 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 ($301), British Airways ($317), and Air Canada ($321).

  • 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 $1,247). 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
Sesimbra
Fátima

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 enero 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$563Average$1,098FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$572Average$998FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$578Average$1,128FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$585Average$862FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$606Average$1,111FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$656Average$795FlexibilityNo cancel feeOn-time77%
KLMCheapest$715Average$950FlexibilityNo cancel feeOn-time75%
DeltaCheapest$715Average$1,100FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$725Average$1,459FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.