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$275+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — LIS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 42 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 11/264:30 pmIAH - LIS
1 stop16h 20mLufthansa
Tue 12/23:55 pmLIS - IAH
1 stop28h 40mLufthansa
Deal found 10/28$592
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:30 pmIAH - LIS
2 stops22h 35mMultiple Airlines
Tue 12/27:00 pmLIS - IAH
3 stops32h 39mMultiple Airlines
Deal found 10/28$593
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 11/1312:30 pmIAH - LIS
1 stop14h 50mUnited Airlines
Tue 11/185:00 amLIS - IAH
1 stop19h 15mUnited Airlines
Deal found 10/29$597
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:29 amIAH - LIS
3 stops18h 51mMultiple Airlines
Thu 12/1110:55 amLIS - IAH
3 stops27h 30mMultiple Airlines
Deal found 10/28$601
This Air Canada deal was found by Cheapflights users on 10/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:10 amIAH - LIS
1 stop20h 10mAir Canada
Thu 12/2510:55 amLIS - IAH
1 stop16h 44mAir Canada
Deal found 10/29$602
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:30 pmIAH - LIS
1 stop14h 50mAir Canada
Tue 11/185:00 amLIS - IAH
2 stops22h 44mAir Canada
Deal found 10/28$603
This Air France deal was found by Cheapflights users on 10/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:05 pmIAH - LIS
1 stop17h 05mMultiple Airlines
Tue 11/1811:25 amLIS - IAH
1 stop32h 05mMultiple Airlines
Deal found 10/28$605
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/137:10 amIAH - LIS
2 stops19h 45mAir Canada
Thu 12/2510:55 amLIS - IAH
1 stop16h 44mAir Canada
Deal found 10/29$607
This Air Canada deal was found by Cheapflights users on 10/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:00 pmIAH - LIS
2 stops15h 20mMultiple Airlines
Mon 12/85:00 amLIS - IAH
2 stops22h 44mMultiple Airlines
Deal found 10/28$608
This Air France deal was found by Cheapflights users on 10/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:05 pmIAH - LIS
1 stop13h 15mAir France
Sun 11/166:30 pmLIS - IAH
1 stop25h 25mAir France
Deal found 10/29$611
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 11/132:32 pmHOU - LIS
2 stops20h 58mDelta
Tue 11/185:00 amLIS - HOU
2 stops24h 07mDelta
Deal found 10/28$619
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 11/286:00 amHOU - LIS
2 stops21h 00mDelta
Wed 1/215:00 amLIS - HOU
2 stops23h 35mDelta
Deal found 10/28$625

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 October 29, 2025.

Round-trip from

$592
(Kiwi.com)

One-way from

$275
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$792
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. 18% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 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

Thu 11/13

12:30 pm-9:20 am

1 stop14h 50m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-6:15 pm

1 stop19h 15m

$597

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 11/13

12:30 pm-9:20 am

1 stop14h 50m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-9:44 pm

2 stops22h 44m

$603

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 1/12

11:50 am-7:15 pm

3 stops25h 25m

Lisbon Humberto Delgado

Tue 1/20

7:40 am-9:39 pm

2 stops19h 59m

$608

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 1/12

10:35 am-9:05 am

2 stops16h 30m

Lisbon Humberto Delgado

Tue 1/20

11:05 am-10:46 pm

2 stops17h 41m

$609

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Thu 11/13

2:32 pm-5:30 pm

2 stops20h 58m

Lisbon Humberto Delgado

Tue 11/18

5:00 am-11:07 pm

2 stops24h 07m

$619

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 2/9

5:04 pm-5:30 pm

2 stops18h 26m

Lisbon Humberto Delgado

Mon 2/23

5:00 am-9:46 pm

2 stops22h 46m

$624

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Fri 11/28

6:00 am-9:00 am

2 stops21h 00m

Lisbon Humberto Delgado

Wed 1/21

5:00 am-10:35 pm

2 stops23h 35m

$625

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 11/10

10:40 am-10:35 am

2 stops17h 55m

Lisbon Humberto Delgado

Sun 11/23

5:00 am-11:07 pm

2 stops24h 07m

$625

HoustonLisbon

HOU - LIS

HOULIS

Houston Hobby

Mon 12/1

2:32 pm-5:30 pm

2 stops20h 58m

Lisbon Humberto Delgado

Mon 12/8

5:30 am-10:48 pm

2 stops23h 18m

$630

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 11/18

12:59 pm-3:10 pm

2 stops20h 11m

Lisbon Humberto Delgado

Tue 11/25

11:25 am-11:57 pm

2 stops18h 32m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 39 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 October 24, 2025.

Booking 42 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 $511). Flying from Houston to Lisbon in June is currently the most expensive (average of $824). 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 October 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 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 October 29, 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
7,992 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air France
7.4
Good
1,482 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,375 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,487 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $597, United Airlines can have you in Lisbon from Houston in 14h 50m. 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 40% 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 France ($440), Delta ($443), and KLM ($453).

  • 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 $511). Flying from Houston to Lisbon in June is currently the most expensive (average of $824). 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
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$517Average$936FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$549Average$809FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$563Average$911FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$572Average$950FlexibilityNo cancel feeOn-time69%
DeltaCheapest$595Average$859FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$601Average$876FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$628Average$737FlexibilityNo cancel feeOn-time77%
KLMCheapest$656Average$1,004FlexibilityNo cancel feeOn-time75%

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