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$264+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Lisbon Humberto Delgado are usually found in February or March, booked 49 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

Cheap 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 December 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/11. 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 12/317:10 amIAH - LIS
1 stop19h 45mAir Canada
Thu 1/812:40 pmLIS - IAH
2 stops26h 34mAir Canada
Deal found 12/11$787
This Expedia deal was found by Cheapflights users on 12/11. 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 12/1211:57 amIAH - LIS
2 stops26h 23mMultiple Airlines
Fri 12/1911:55 amLIS - IAH
2 stops35h 30mMultiple Airlines
Deal found 12/11$824
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/317:05 pmIAH - LIS
1 stop15h 20mUnited Airlines
Wed 1/77:50 pmLIS - IAH
2 stops27h 30mUnited Airlines
Deal found 12/11$830
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/301:35 pmIAH - LIS
1 stop12h 35mUnited Airlines
Thu 1/87:50 pmLIS - IAH
2 stops25h 55mUnited Airlines
Deal found 12/11$838
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/314:20 pmIAH - LIS
1 stop18h 05mUnited Airlines
Thu 1/82:40 pmLIS - IAH
1 stop32h 10mUnited Airlines
Deal found 12/11$870
This Delta deal was found by Cheapflights users on 12/11. 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 12/304:05 pmIAH - LIS
1 stop17h 05mDelta
Thu 1/811:25 amLIS - IAH
1 stop32h 05mDelta
Deal found 12/11$874
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Mon 12/297:05 pmIAH - LIS
1 stop31h 40mUnited Airlines
Thu 1/87:50 pmLIS - IAH
2 stops25h 55mUnited Airlines
Deal found 12/11$895
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Wed 12/314:30 pmIAH - LIS
1 stop24h 20mLufthansa
Fri 1/95:00 amLIS - IAH
2 stops17h 50mLufthansa
Deal found 12/11$907
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Tue 12/305:00 pmIAH - LIS
2 stops33h 10mLufthansa
Fri 1/95:00 amLIS - IAH
2 stops17h 50mLufthansa
Deal found 12/11$913
This oojo deal was found by Cheapflights users on 12/11. 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.
Tue 12/238:20 pmHOU - LIS
2 stops36h 30mBritish Airways
Sun 12/283:55 pmLIS - HOU
2 stops33h 49mBritish Airways
Deal found 12/11$1,108
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:20 pmHOU - LIS
2 stops36h 30mBritish Airways
Tue 12/307:40 pmLIS - HOU
2 stops30h 05mBritish Airways
Deal found 12/10$1,267
This British Airways deal was found by Cheapflights users on 12/11. 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.
Wed 12/3112:09 pmHOU - LIS
2 stops18h 01mBritish Airways
Wed 1/73:55 pmLIS - HOU
2 stops30h 17mBritish Airways
Deal found 12/11$1,400

Find 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 December 12, 2025.

Round-trip from

$492
(Kiwi.com)

One-way from

$264
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$933
From Houston to Lisbon Humberto Delgado
Search Deals
One-way flight from Houston to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($223 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 12, 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

Thu 1/29

1:35 pm-8:10 am

1 stop12h 35m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-6:15 pm

1 stop19h 15m

$527

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Fri 1/30

2:30 pm-8:10 am

1 stop11h 40m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-6:15 pm

1 stop19h 15m

$532

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 2/9

2:30 pm-8:10 am

1 stop11h 40m

Lisbon Humberto Delgado

Mon 2/16

5:00 am-6:15 pm

1 stop19h 15m

$532

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 3/11

5:05 pm-3:10 pm

1 stop17h 05m

Lisbon Humberto Delgado

Mon 3/23

11:25 am-2:30 pm

1 stop32h 05m

$534

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 3/11

7:10 am-9:20 am

1 stop21h 10m

Lisbon Humberto Delgado

Thu 3/19

5:00 am-7:15 pm

1 stop19h 15m

$534

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 1/8

12:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

Thu 1/22

11:20 am-3:40 pm

2 stops34h 20m

$534

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 3/11

7:10 am-9:20 am

1 stop21h 10m

Lisbon Humberto Delgado

Sat 3/21

5:00 am-7:15 pm

1 stop19h 15m

$534

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Tue 1/20

11:09 am-3:10 pm

2 stops22h 01m

Lisbon Humberto Delgado

Thu 1/29

5:00 am-10:33 pm

2 stops23h 33m

$549

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 3/11

5:27 pm-5:30 pm

2 stops19h 03m

Lisbon Humberto Delgado

Mon 3/16

5:00 am-10:28 pm

2 stops22h 28m

$549

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 3/11

5:27 pm-5:30 pm

2 stops19h 03m

Lisbon Humberto Delgado

Tue 3/17

11:25 am-9:40 am

2 stops27h 15m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 34 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 December 5, 2025.

Booking 49 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, February is the cheapest month in which you can book a flight from Houston to Lisbon (average of $510). Flying from Houston to Lisbon in June is currently the most expensive (average of $823). 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 December 12, 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 21% 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. Saturday 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 December 12, 2025.
Get a feel of what it's like to fly with Delta, Air France, and United Airlines from Houston to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air France
7.4
Good
1,504 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,515 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,571 reviews
Delta
7.9
Good
8,005 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 9 different airlines.

  • How long is the flight from Houston to Lisbon?

    For as low as $527, United Airlines can have you in Lisbon from Houston in 12h 35m. Houston and Lisbon are separated by a distance of 4767 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $517, American Airlines will fly you from Houston to Lisbon and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air France and Air Canada - these airlines can fly you to your destination from $549 and $563, respectively. American Airlines is 39% 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 Air Canada ($277), British Airways ($281), and United Airlines ($290).

  • 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, February is the cheapest month in which you can book a flight from Houston to Lisbon (average of $510). Flying from Houston to Lisbon in June is currently the most expensive (average of $823). 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
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
Sesimbra
Colares

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$517Average$1,053FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$549Average$809FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$937FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$571Average$940FlexibilityNo cancel feeOn-time69%
DeltaCheapest$593Average$878FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$599Average$868FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$621Average$737FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$646Average$994FlexibilityNo cancel feeOn-time76%
KLMCheapest$656Average$1,076FlexibilityNo cancel feeOn-time75%

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