HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$336+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston 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.

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 March 31, 2025.

Round-trip from

$711
(Mytrip)

One-way from

$388
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$784
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. 9% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 31, 2025.

This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:20 amIAH - LIS
1 stop20h 00mMultiple Airlines
Mon 12/13:55 pmLIS - IAH
2 stops35h 19mMultiple Airlines
Deal found 3/30$650
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:55 amIAH - LIS
1 stop16h 20mUnited Airlines
Tue 11/1811:00 amLIS - IAH
2 stops38h 00mUnited Airlines
Deal found 3/31$668
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:30 amIAH - LIS
2 stops17h 50mAir Canada
Tue 11/185:00 amLIS - IAH
2 stops34h 05mAir Canada
Deal found 3/30$682
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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.
Mon 11/246:20 pmIAH - LIS
2 stops22h 30mLufthansa
Mon 12/16:10 amLIS - IAH
2 stops38h 30mLufthansa
Deal found 3/30$712
This Delta deal was found by Cheapflights users on 3/31. 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 11/141:00 pmHOU - LIS
2 stops20h 10mDelta
Tue 11/185:00 amLIS - HOU
2 stops22h 40mDelta
Deal found 3/31$713
This oojo deal was found by Cheapflights users on 3/30. 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.
Wed 8/279:00 pmIAH - LIS
1 stop36h 30mTurkish Airlines
Fri 9/511:10 amLIS - IAH
1 stop37h 55mTurkish Airlines
Deal found 3/30$729
This Gurufare deal was found by Cheapflights users on 3/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:19 pmHOU - LIS
2 stops18h 36mBritish Airways
Mon 12/16:35 pmLIS - HOU
2 stops29h 24mBritish Airways
Deal found 3/30$779
This Delta deal was found by Cheapflights users on 3/30. 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.
Mon 3/3112:07 pmIAH - LIS
2 stops13h 53mDelta
Mon 4/711:40 amLIS - IAH
1 stop31h 35mDelta
Deal found 3/30$790
This Ticket deal was found by Cheapflights users on 3/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/143:50 pmIAH - LIS
1 stop16h 30mAir France
Tue 4/2912:45 pmLIS - IAH
2 stops17h 11mAir France
Deal found 3/30$800
This British Airways deal was found by Cheapflights users on 3/30. 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 5/69:00 pmIAH - LIS
1 stop20h 00mBritish Airways
Tue 5/2011:05 amLIS - IAH
1 stop16h 35mBritish Airways
Deal found 3/30$811
This Finnair deal was found by Cheapflights users on 3/31. 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.
Tue 9/302:35 pmIAH - LIS
2 stops18h 55mFinnair
Mon 10/64:30 pmLIS - IAH
2 stops31h 11mFinnair
Deal found 3/31$814
This Iberia deal was found by Cheapflights users on 3/30. 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.
Wed 8/136:39 pmHOU - LIS
2 stops15h 26mIberia
Wed 8/206:35 amLIS - HOU
2 stops19h 28mIberia
Deal found 3/30$822

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 March 31, 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

Sat 5/3

9:30 am-6:25 pm

2 stops26h 55m

Lisbon Humberto Delgado

Sat 5/10

9:55 pm-10:42 pm

2 stops30h 47m

$711

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 8/27

9:00 pm-3:30 pm

1 stop36h 30m

Lisbon Humberto Delgado

Fri 9/5

11:10 am-7:05 pm

1 stop37h 55m

$729

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 5/7

2:20 pm-8:20 am

1 stop12h 00m

Lisbon Humberto Delgado

Wed 5/14

11:25 am-1:40 pm

2 stops32h 15m

$788

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 8/13

10:00 am-9:20 am

1 stop17h 20m

Lisbon Humberto Delgado

Wed 8/20

11:25 am-7:36 pm

1 stop14h 11m

$797

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 4/14

3:50 pm-2:20 pm

1 stop16h 30m

Lisbon Humberto Delgado

Tue 4/29

12:45 pm-11:56 pm

2 stops17h 11m

$800

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 4/23

12:52 pm-2:50 pm

2 stops19h 58m

Lisbon Humberto Delgado

Thu 5/1

5:00 am-1:15 pm

1 stop14h 15m

$823

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Sun 5/4

6:00 am-11:15 am

2 stops23h 15m

Lisbon Humberto Delgado

Wed 5/14

10:00 am-9:17 pm

2 stops17h 17m

$833

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 4/28

3:25 pm-12:45 pm

1 stop15h 20m

Lisbon Humberto Delgado

Mon 5/12

8:45 pm-8:55 pm

2 stops30h 10m

$837

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 5/8

6:42 pm-10:05 pm

2 stops21h 23m

Lisbon Humberto Delgado

Mon 5/12

12:15 pm-1:35 pm

1 stop31h 20m

$907

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Wed 5/7

10:22 am-10:25 pm

2 stops30h 03m

Lisbon Humberto Delgado

Sat 5/17

5:40 am-9:17 pm

2 stops21h 37m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 34 results
1
2
3
4

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 March 28, 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 $1,213). 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 March 31, 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 March 31, 2025.
To help decide which airline to fly from Houston to Lisbon, see what other customers have to say about Delta, KLM and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

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.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

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
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

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
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

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 9 different airlines.

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

    Currently priced at $733, Turkish Airlines will fly you from Houston to Lisbon and back. In addition to Turkish Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air France - these airlines can fly you to your destination from $788 and $800, respectively. Turkish Airlines is 18% 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 Turkish Airlines ($503), British Airways ($612), and Air Canada ($663).

  • 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 $1,213). 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
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
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.

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$549Average$863FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$906FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$565Average$1,521FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$586Average$844FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$590Average$1,002FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$595Average$1,042FlexibilityNo cancel feeOn-time71%
KLMCheapest$641Average$1,050FlexibilityNo cancel feeOn-time75%
DeltaCheapest$648Average$880FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$649Average$713FlexibilityNo cancel feeOn-time77%
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.