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$377+ Cheap flights from Lisbon (LIS) to Houston

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — HOU
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap flight deals from Lisbon to Houston

Cheapest flights from Lisbon to Houston
Explore the most affordable flight options available from Lisbon to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.

This Mytrip deal was found by Cheapflights users on 3/19. 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.
Tue 4/78:05 pm
LIS
-
IAH
2 stops33h 44m
Multiple Airlines
Tue 4/146:14 am
IAH
-
LIS
3 stops31h 01m
Multiple Airlines
Deal found 3/19$755
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sun 4/196:00 pm
LIS
-
IAH
1 stop20h 23m
Multiple Airlines
Sat 4/256:57 pm
IAH
-
LIS
2 stops43h 58m
Multiple Airlines
Deal found 3/19$875
This Trip.com deal was found by Cheapflights users on 3/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:05 am
LIS
-
IAH
2 stops24h 17m
Multiple Airlines
Fri 4/178:50 pm
IAH
-
LIS
2 stops56h 10m
Multiple Airlines
Deal found 3/20$880
This Mytrip deal was found by Cheapflights users on 3/21. 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 4/1610:40 pm
LIS
-
IAH
3 stops25h 13m
Multiple Airlines
Wed 4/292:50 pm
IAH
-
LIS
2 stops23h 40m
Multiple Airlines
Deal found 3/21$885
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Tue 4/2811:35 am
LIS
-
IAH
2 stops26h 48m
Multiple Airlines
Sun 5/33:31 pm
IAH
-
LIS
1 stop13h 34m
Multiple Airlines
Deal found 3/19$895
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Mon 4/207:25 am
LIS
-
IAH
1 stop16h 35m
Lufthansa
Tue 5/54:30 pm
IAH
-
LIS
1 stop15h 10m
Lufthansa
Deal found 3/18$902
This KLM deal was found by Cheapflights users on 3/18. 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.
Wed 4/15:00 am
LIS
-
IAH
1 stop14h 15m
Multiple Airlines
Sun 4/193:50 pm
IAH
-
LIS
1 stop17h 05m
Multiple Airlines
Deal found 3/18$909
This Delta deal was found by Cheapflights users on 3/18. 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 4/205:00 am
LIS
-
IAH
2 stops19h 34m
Delta
Tue 5/59:43 am
IAH
-
LIS
2 stops17h 07m
Delta
Deal found 3/18$912
This Delta deal was found by Cheapflights users on 3/19. 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.
Sun 4/195:00 am
LIS
-
HOU
2 stops24h 08m
Delta
Sat 4/255:23 pm
HOU
-
LIS
2 stops19h 22m
Delta
Deal found 3/19$917
This Delta deal was found by Cheapflights users on 3/18. 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 5/275:00 am
LIS
-
IAH
2 stops18h 30m
Delta
Thu 6/1112:55 pm
IAH
-
LIS
2 stops19h 40m
Delta
Deal found 3/18$917
This Delta deal was found by Cheapflights users on 3/18. 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 4/205:00 am
LIS
-
HOU
2 stops24h 07m
Delta
Tue 5/51:31 pm
HOU
-
LIS
2 stops22h 19m
Delta
Deal found 3/18$929
This Delta deal was found by Cheapflights users on 3/19. 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 4/1611:55 am
LIS
-
HOU
2 stops17h 13m
Delta
Wed 4/296:00 am
HOU
-
LIS
2 stops20h 50m
Delta
Deal found 3/19$952

Find flight deals from Lisbon to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Houston (HO1). 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 23, 2026.

Round-trip from

$755
(Mytrip)

One-way from

$377
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$899
From Lisbon Humberto Delgado to Houston
Search Deals
One-way flight from Lisbon Humberto Delgado to Houston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($105 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 March 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Lisbon to Houston 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 23, 2026.
Use the filters below to find and compare flights from Lisbon to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 9/11

5:00 am-1:15 pm

1 stop14h 15m

Houston George Bush Intcntl

Fri 9/18

3:55 pm-11:15 am

1 stop13h 20m

$907

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sun 4/19

5:00 am-1:15 pm

1 stop14h 15m

Houston George Bush Intcntl

Sat 4/25

3:50 pm-2:55 pm

1 stop17h 05m

$907

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 4/20

5:00 am-6:34 pm

2 stops19h 34m

Houston George Bush Intcntl

Tue 5/5

9:43 am-8:50 am

2 stops17h 07m

$912

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 9/11

5:00 am-6:52 pm

2 stops19h 52m

Houston George Bush Intcntl

Fri 9/18

3:55 pm-11:15 am

1 stop13h 20m

$912

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Sun 4/19

5:00 am-11:08 pm

2 stops24h 08m

Houston Hobby

Sat 4/25

5:23 pm-6:45 pm

2 stops19h 22m

$917

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 5/26

11:05 am-12:29 am

1 stop19h 24m

Houston George Bush Intcntl

Wed 6/10

9:05 pm-11:15 pm

1 stop20h 10m

$921

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 4/30

7:25 am-6:00 pm

1 stop16h 35m

Houston George Bush Intcntl

Mon 5/4

1:36 pm-8:20 am

1 stop12h 44m

$923

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 4/4

7:25 am-6:00 pm

1 stop16h 35m

Houston George Bush Intcntl

Fri 4/17

6:00 am-8:20 am

1 stop20h 20m

$923

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 4/28

6:45 am-6:00 pm

1 stop17h 15m

Houston George Bush Intcntl

Sun 5/3

7:20 am-10:30 am

1 stop21h 10m

$924

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 4/4

7:25 am-6:00 pm

1 stop16h 35m

Houston George Bush Intcntl

Fri 4/17

3:35 pm-3:30 pm

1 stop17h 55m

$928

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from Lisbon to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Lisbon 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 Lisbon to Houston

What is the cheapest month to book a flight from Lisbon to Houston?

Currently, January is the cheapest month in which you can book a flight from Lisbon to Houston (average of $525). Flying from Lisbon to Houston in July is currently the most expensive (average of $1,000). 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.

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

Related info for your journey

Find useful and relevant information for your journey from Lisbon to Houston. 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 from for flights from Lisbon to Houston?

    If you book a flight to Houston from Lisbon, you will be flying from 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 Humberto Delgado to Houston per day from 0 different airlines.

  • How long is the flight from Lisbon to Houston?

    A quick flight from Lisbon to Houston can take about 19h 24m. Delta provides one of the quickest options available for as low as $921. The distance from Lisbon to Houston is about 4767 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Lisbon to Houston that include hotel bookings?

    Yes. In addition to deals on Lisbon to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lisbon to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Houston.

  • Can I find deals for business class flights from Lisbon to Houston?

    Yes. Cheapflights offers flight deals from Lisbon to Houston 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 Lisbon to Houston?

    Currently, January is the cheapest month in which you can book a flight from Lisbon to Houston (average of $525). Flying from Lisbon to Houston in July is currently the most expensive (average of $1,000). 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

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Alternative routes for Lisbon to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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