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Lisbon

$263+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 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 September 11, 2025.

Round-trip from

$636
(Air France)

One-way from

$263
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$934
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 ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Air France deal was found by Cheapflights users on 9/11. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/133:50 pmIAH - LIS
1 stop20h 00mAir France
Mon 10/206:50 pmLIS - IAH
1 stop24h 45mAir France
Deal found 9/11$636
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:50 pmIAH - LIS
1 stop24h 40mUnited Airlines
Fri 11/216:10 amLIS - IAH
1 stop16h 00mUnited Airlines
Deal found 9/9$637
This KAYAK deal was found by Cheapflights users on 9/10. 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.
Wed 11/124:30 pmIAH - LIS
2 stops25h 00mLufthansa
Mon 11/243:55 pmLIS - IAH
2 stops31h 07mLufthansa
Deal found 9/10$638
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:50 pmIAH - LIS
2 stops21h 15mLufthansa
Thu 11/612:25 pmLIS - IAH
1 stop32h 10mLufthansa
Deal found 9/9$639
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:00 amIAH - LIS
1 stop16h 25mMultiple Airlines
Sun 11/237:00 pmLIS - IAH
2 stops52h 29mMultiple Airlines
Deal found 9/9$640
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/153:10 pmIAH - LIS
2 stops17h 40mDelta
Fri 10/245:40 amLIS - IAH
1 stop13h 55mDelta
Deal found 9/11$641
This Travelocity deal was found by Cheapflights users on 9/8. 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.
Thu 12/111:28 pmIAH - LIS
1 stop13h 37mBritish Airways
Mon 12/226:35 pmLIS - IAH
1 stop25h 30mBritish Airways
Deal found 9/8$642
This British Airways deal was found by Cheapflights users on 9/9. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:50 pmIAH - LIS
1 stop18h 05mBritish Airways
Tue 11/257:40 pmLIS - IAH
1 stop24h 25mBritish Airways
Deal found 9/9$643
This KLM deal was found by Cheapflights users on 9/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:05 pmIAH - LIS
1 stop17h 05mMultiple Airlines
Thu 11/2710:40 amLIS - IAH
2 stops17h 50mMultiple Airlines
Deal found 9/10$644
This Delta deal was found by Cheapflights users on 9/10. 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.
Fri 11/1412:59 pmIAH - LIS
2 stops20h 11mDelta
Tue 11/255:30 amLIS - IAH
1 stop14h 25mDelta
Deal found 9/10$646
This Air Canada deal was found by Cheapflights users on 9/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:50 amIAH - LIS
1 stop15h 30mAir Canada
Wed 11/2611:20 amLIS - IAH
2 stops40h 19mAir Canada
Deal found 9/9$647
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amIAH - LIS
1 stop17h 25mMultiple Airlines
Wed 11/199:05 amLIS - IAH
2 stops29h 27mMultiple Airlines
Deal found 9/9$648

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 September 11, 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

Tue 10/14

5:30 am-8:00 am

2 stops20h 30m

Lisbon Humberto Delgado

Mon 10/27

12:20 pm-2:55 pm

1 stop31h 35m

$639

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sun 10/19

10:00 am-10:45 am

2 stops18h 45m

Lisbon Humberto Delgado

Mon 10/27

12:20 pm-2:55 pm

1 stop31h 35m

$639

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 10/13

4:21 pm-5:50 pm

2 stops19h 29m

Lisbon Humberto Delgado

Fri 10/24

5:40 am-1:35 pm

1 stop13h 55m

$641

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/15

3:10 pm-2:50 pm

2 stops17h 40m

Lisbon Humberto Delgado

Fri 10/24

5:40 am-1:35 pm

1 stop13h 55m

$641

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/15

4:21 pm-5:55 pm

2 stops19h 34m

Lisbon Humberto Delgado

Tue 10/21

5:40 am-1:35 pm

1 stop13h 55m

$641

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 11/13

3:50 pm-9:55 pm

1 stop24h 05m

Lisbon Humberto Delgado

Mon 11/24

6:35 pm-2:05 pm

1 stop25h 30m

$643

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Fri 11/14

3:50 pm-12:05 pm

1 stop14h 15m

Lisbon Humberto Delgado

Mon 11/24

6:35 pm-2:05 pm

1 stop25h 30m

$643

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Fri 11/14

3:50 pm-10:25 pm

1 stop24h 35m

Lisbon Humberto Delgado

Tue 11/25

7:40 pm-2:05 pm

1 stop24h 25m

$643

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Fri 11/14

12:59 pm-3:10 pm

2 stops20h 11m

Lisbon Humberto Delgado

Tue 11/25

5:30 am-1:55 pm

1 stop14h 25m

$646

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Fri 12/5

4:43 pm-10:15 am

1 stop11h 32m

Lisbon Humberto Delgado

Sat 12/13

11:20 am-9:13 pm

2 stops39h 53m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 32 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 August 29, 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 $1,127). 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 September 11, 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.

How much does it cost to fly round-trip from Houston to Lisbon?

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 September 11, 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
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.4
Good
1,469 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • How long is the flight from Houston to Lisbon?

    For as low as $688, Delta can have you in Lisbon from Houston in 16h 26m. Houston and Lisbon are separated by a distance of 4777 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 $549, Air France will fly you from Houston to Lisbon and back. In addition to Air France, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and American Airlines - these airlines can fly you to your destination from $563 and $578, respectively. Air France is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $1,127). 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
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Houston to Lisbon

Discover the top 8 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$549Average$806FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$908FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$578Average$940FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$578Average$950FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$585Average$840FlexibilityNo cancel feeOn-time70%
DeltaCheapest$615Average$872FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$637Average$736FlexibilityNo cancel feeOn-time77%
KLMCheapest$641Average$1,004FlexibilityNo cancel feeOn-time75%

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