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$298+ Cheap flights from Houston 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Lisbon Humberto Delgado are usually found in February or December, booked 73 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

Cheap flight deals from Houston to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 April 29, 2025.

Round-trip from

$820
(Kiwi.com)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$820
From Houston to Lisbon Humberto Delgado
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One-way flight from Houston to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 19% potential increase in price ($213 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Houston to Lisbon

Cheapest flights from Houston to Lisbon
Explore the most affordable flight options available from Houston to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/196:44 pmIAH - LIS
1 stop28h 46mMultiple Airlines
Tue 6/36:05 amLIS - IAH
2 stops32h 40mMultiple Airlines
Deal found 4/28$820
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:13 pmIAH - LIS
2 stops19h 12mBritish Airways
Mon 10/65:05 pmLIS - IAH
1 stop26h 40mBritish Airways
Deal found 4/28$835
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 8/131:00 pmHOU - LIS
2 stops22h 55mDelta
Wed 8/205:00 amLIS - HOU
2 stops22h 35mDelta
Deal found 4/28$837
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 8/1010:00 amIAH - LIS
1 stop17h 20mUnited Airlines
Sun 8/2412:55 pmLIS - IAH
2 stops30h 34mUnited Airlines
Deal found 4/28$853
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1010:00 amIAH - LIS
1 stop17h 20mAir Canada
Sat 8/239:50 amLIS - IAH
1 stop15h 46mAir Canada
Deal found 4/28$859
This Delta deal was found by Cheapflights users on 4/28. 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.
Sun 8/1012:39 pmIAH - LIS
2 stops16h 06mDelta
Sat 8/2312:45 pmLIS - IAH
2 stops17h 09mDelta
Deal found 4/28$878
This Turkish Airlines deal was found by Cheapflights users on 4/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:00 pmIAH - LIS
1 stop20h 35mTurkish Airlines
Sat 9/64:45 pmLIS - IAH
1 stop32h 20mTurkish Airlines
Deal found 4/28$886
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1010:15 amHOU - LIS
2 stops16h 50mAmerican Airlines
Sun 8/2411:05 amLIS - HOU
2 stops17h 07mAmerican Airlines
Deal found 4/28$928
This Iberia deal was found by Cheapflights users on 4/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:41 pmHOU - LIS
2 stops15h 24mIberia
Mon 10/1312:30 pmLIS - HOU
2 stops17h 14mIberia
Deal found 4/28$935
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2211:51 amIAH - LIS
1 stop15h 14mAmerican Airlines
Thu 8/711:05 amLIS - IAH
1 stop16h 35mAmerican Airlines
Deal found 4/29$949
This Expedia deal was found by Cheapflights users on 4/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:29 pmIAH - LIS
2 stops22h 56mIberia
Tue 5/2012:30 pmLIS - IAH
2 stops17h 12mIberia
Deal found 4/29$960
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:30 pmHOU - LIS
2 stops20h 25mBritish Airways
Sat 11/86:40 pmLIS - HOU
2 stops29h 19mBritish Airways
Deal found 4/29$963

Cheapflights Fare Finder

Customize your flight search to find flights from Houston 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 April 29, 2025.
Use the filters below to find and compare flights from Houston to Lisbon that are best for you.

Fly from

Houston

Fly to

Lisbon

Route

Depart

Return

Price

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 5/19

6:44 pm-5:30 am

1 stop28h 46m

Lisbon Humberto Delgado

Tue 6/3

6:05 am-8:45 am

2 stops32h 40m

$820

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 9/30

1:13 pm-2:25 pm

2 stops19h 12m

Lisbon Humberto Delgado

Mon 10/6

5:05 pm-1:45 pm

1 stop26h 40m

$835

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 8/13

1:00 pm-5:55 pm

2 stops22h 55m

Lisbon Humberto Delgado

Wed 8/20

5:00 am-9:35 pm

2 stops22h 35m

$837

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 8/10

10:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Sun 8/24

12:55 pm-1:29 pm

2 stops30h 34m

$853

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 8/10

10:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Sat 8/23

9:50 am-7:36 pm

1 stop15h 46m

$859

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 8/10

12:39 pm-10:45 am

2 stops16h 06m

Lisbon Humberto Delgado

Sat 8/23

12:45 pm-11:54 pm

2 stops17h 09m

$878

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 8/23

9:00 pm-11:35 pm

1 stop20h 35m

Lisbon Humberto Delgado

Sat 9/6

4:45 pm-7:05 pm

1 stop32h 20m

$886

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sun 8/10

10:15 am-9:05 am

2 stops16h 50m

Lisbon Humberto Delgado

Sun 8/24

11:05 am-10:12 pm

2 stops17h 07m

$928

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sun 9/28

6:41 pm-4:05 pm

2 stops15h 24m

Lisbon Humberto Delgado

Mon 10/13

12:30 pm-11:44 pm

2 stops17h 14m

$935

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 7/22

11:51 am-9:05 am

1 stop15h 14m

Lisbon Humberto Delgado

Thu 8/7

11:05 am-9:40 pm

1 stop16h 35m

$949

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 35 results
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Best time to book a flight from Houston to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Houston 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 Houston to Lisbon

How far ahead should I book a flight from Houston to Lisbon?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Lisbon. Price data was last updated on April 25, 2025.

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Lisbon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Houston to Lisbon (average of $612). Flying from Houston to Lisbon in June is currently the most expensive (average of $1,178). 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 HOU to LIS?

Find hourly flight availability from Houston 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 April 29, 2025.

One of the essential ways to save on airfare from Houston to Lisbon is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 30% on airfare.

What is the cheapest day to fly from Houston to Lisbon?

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

Travelers seeking maximum savings on their Houston to Lisbon flight should consider departing on Sunday afternoons when fares are most often at their lowest. Wednesday 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 April 29, 2025.
To help decide which airline to fly from Houston to Lisbon, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
1,446 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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 Houston 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?

    If you book a flight to Lisbon from Houston, you will be flying to Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon. There are 0 flights from Houston to Humberto Delgado per day from 8 different airlines.

  • What are the cheapest airlines flying from Houston to Lisbon round-trip?

    Currently priced at $835, British Airways will fly you from Houston to Lisbon and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $837 and $853, respectively. British Airways is 7% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Houston to Lisbon one-way?

    The cheapest airlines for a one-way flight from Houston to Lisbon are Aer Lingus ($579), Finnair ($591), and British Airways ($597).

  • Can I find deals for flights from Houston to Lisbon that include hotel bookings?

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

  • How can I find direct flights from Houston to Lisbon?

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

  • Can I find deals for business class flights from Houston to Lisbon?

    Yes. Cheapflights offers flight deals from Houston 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 to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Houston to Lisbon (average of $612). Flying from Houston to Lisbon in June is currently the most expensive (average of $1,178). 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?

Book flights to Houston if you plan to visit one of these locations
Sintra
Beja
Nazaré
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Evora
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Sesimbra
Fátima

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Top 9 airlines flying from Houston to Lisbon

Discover the top 9 airlines that operate flights from Houston 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$549Average$872FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$902FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$586Average$842FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$589Average$989FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$595Average$1,042FlexibilityNo cancel feeOn-time71%
KLMCheapest$641Average$1,037FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$646Average$1,529FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$649Average$716FlexibilityNo cancel feeOn-time77%
DeltaCheapest$650Average$873FlexibilityNo cancel feeOn-timeN/A

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