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$463+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$754
(Mytrip)

One-way from

$463
(KLM)

Popular in

June

Cheapest in

February

Average price

$941
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 ($208 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 July 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 July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:58 pmIAH - LIS
1 stop15h 52mMultiple Airlines
Sat 9/206:50 amLIS - IAH
3 stops21h 58mMultiple Airlines
Deal found 7/29$754
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:12 amIAH - LIS
2 stops21h 08mUnited Airlines
Fri 9/267:30 amLIS - IAH
2 stops20h 44mUnited Airlines
Deal found 7/29$759
This Lufthansa deal was found by Cheapflights users on 7/27. 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 12/294:30 pmIAH - LIS
1 stop24h 20mLufthansa
Mon 1/512:30 pmLIS - IAH
1 stop32h 05mLufthansa
Deal found 7/27$762
This British Airways deal was found by Cheapflights users on 7/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:05 pmIAH - LIS
1 stop13h 55mBritish Airways
Tue 11/257:40 pmLIS - IAH
1 stop24h 25mBritish Airways
Deal found 7/29$763
This Ovago deal was found by Cheapflights users on 7/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:00 pmIAH - LIS
1 stop36h 15mTurkish Airlines
Wed 9/245:55 amLIS - IAH
1 stop19h 10mTurkish Airlines
Deal found 7/28$767
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:00 pmIAH - LIS
2 stops34h 55mScandinavian Airlines
Sat 11/227:05 amLIS - IAH
2 stops22h 51mScandinavian Airlines
Deal found 7/29$774
This Delta deal was found by Cheapflights users on 7/27. 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 10/2112:55 pmIAH - LIS
2 stops19h 55mDelta
Sat 11/15:00 amLIS - IAH
2 stops22h 11mDelta
Deal found 7/27$775
This Delta deal was found by Cheapflights users on 7/26. 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 10/710:13 amHOU - LIS
2 stops15h 47mDelta
Wed 10/225:40 amLIS - HOU
2 stops18h 08mDelta
Deal found 7/26$781
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/16:20 amIAH - LIS
2 stops35h 05mIberia
Wed 10/156:35 amLIS - IAH
2 stops23h 08mIberia
Deal found 7/28$785
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:22 pmHOU - LIS
2 stops17h 33mBritish Airways
Tue 11/2510:35 amLIS - HOU
2 stops19h 22mBritish Airways
Deal found 7/28$828
This Virgin Atlantic deal was found by Cheapflights users on 7/27. 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.
Tue 9/2310:44 amHOU - LIS
2 stops15h 16mVirgin Atlantic
Tue 9/3010:00 amLIS - HOU
2 stops18h 37mVirgin Atlantic
Deal found 7/27$870
This Expedia deal was found by Cheapflights users on 7/27. 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.
Thu 9/116:41 pmHOU - LIS
2 stops19h 24mIberia
Thu 9/1812:30 pmLIS - HOU
2 stops17h 18mIberia
Deal found 7/27$1,062

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 July 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

Sun 9/14

12:58 pm-10:50 am

1 stop15h 52m

Lisbon Humberto Delgado

Sat 9/20

6:50 am-10:48 pm

3 stops21h 58m

$754

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 9/17

6:12 am-9:20 am

2 stops21h 08m

Lisbon Humberto Delgado

Fri 9/26

7:30 am-10:14 pm

2 stops20h 44m

$759

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 11/20

10:05 pm-6:00 pm

1 stop13h 55m

Lisbon Humberto Delgado

Mon 11/24

6:35 pm-2:05 pm

1 stop25h 30m

$763

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 9/11

9:00 pm-3:15 pm

1 stop36h 15m

Lisbon Humberto Delgado

Wed 9/24

5:55 am-7:05 pm

1 stop19h 10m

$767

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/18

4:00 pm-8:55 am

2 stops34h 55m

Lisbon Humberto Delgado

Sat 11/22

7:05 am-11:56 pm

2 stops22h 51m

$774

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 10/21

12:55 pm-2:50 pm

2 stops19h 55m

Lisbon Humberto Delgado

Sat 11/1

5:00 am-10:11 pm

2 stops22h 11m

$775

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/18

4:30 pm-2:30 pm

1 stop16h 00m

Lisbon Humberto Delgado

Fri 11/28

12:30 pm-2:35 pm

1 stop32h 05m

$780

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Tue 10/7

10:13 am-8:00 am

2 stops15h 47m

Lisbon Humberto Delgado

Wed 10/22

5:40 am-5:48 pm

2 stops18h 08m

$781

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/1

6:20 am-11:25 pm

2 stops35h 05m

Lisbon Humberto Delgado

Wed 10/15

6:35 am-11:43 pm

2 stops23h 08m

$785

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Tue 9/23

10:44 am-8:00 am

2 stops15h 16m

Lisbon Humberto Delgado

Tue 9/30

10:00 am-10:37 pm

2 stops18h 37m

$870

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 29 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 July 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 $1,129). 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 July 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.

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 July 29, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Air France 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
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

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
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

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!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

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
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

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
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

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!
Virgin Atlantic
7.4
Good
655 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Overall

8.0

Boarding

8.2

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.

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

    Currently priced at $759, United Airlines will fly you from Houston to Lisbon and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Turkish Airlines - these airlines can fly you to your destination from $763 and $767, respectively. United Airlines is 11% 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 KLM ($463), United Airlines ($468), and Delta ($468).

  • 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 $1,129). 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
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$549Average$805FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$916FlexibilityNo cancel feeOn-time67%
DeltaCheapest$573Average$872FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$578Average$940FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$585Average$841FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$586Average$975FlexibilityNo cancel feeOn-time69%
KLMCheapest$641Average$1,016FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$655Average$748FlexibilityNo cancel feeOn-time77%

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