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Cheap flights from Lisbon to Houston from $361

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Houston departing on 8/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Lisbon to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 pm - 11:59 pm
LIS
-
IAH
17h 29m
2 stops
Multiple Airlines Logo
9:05 pm - 11:05 pm
IAH
-
LIS
20h 00m
1 stop
$890Multiple Airlines
Thu, Aug 27 - Thu, Sep 10
Multiple Airlines Logo
12:30 pm - 11:59 pm
LIS
-
IAH
17h 29m
2 stops
Multiple Airlines Logo
9:05 pm - 5:45 pm
IAH
-
LIS
14h 40m
1 stop
$898Multiple Airlines
Fri, Aug 28 - Sun, Aug 30
Iberia Logo
6:35 am - 7:49 pm
LIS
-
IAH
19h 14m
2 stops
Iberia Logo
7:01 pm - 4:05 pm
IAH
-
LIS
15h 04m
2 stops
$904Iberia
Fri, Sep 11 - Wed, Sep 23
Iberia Logo
12:30 pm - 11:59 pm
LIS
-
IAH
17h 29m
2 stops
Iberia Logo
7:06 pm - 4:05 pm
IAH
-
LIS
14h 59m
2 stops
$905Iberia
Thu, Aug 27 - Thu, Sep 10
Iberia Logo
12:30 pm - 11:59 pm
LIS
-
IAH
17h 29m
2 stops
Iberia Logo
7:06 pm - 4:05 pm
IAH
-
LIS
14h 59m
2 stops
$906Iberia
Thu, Aug 27 - Thu, Sep 10
Multiple Airlines Logo
6:55 pm - 1:25 pm
LIS
-
IAH
24h 30m
1 stop
Multiple Airlines Logo
9:10 pm - 11:10 pm
IAH
-
LIS
20h 00m
1 stop
$911Multiple Airlines
Sat, Oct 3 - Sat, Oct 17
Iberia Logo
12:30 pm - 11:59 pm
LIS
-
IAH
17h 29m
2 stops
Iberia Logo
1:16 pm - 8:05 pm
IAH
-
LIS
24h 49m
2 stops
$913Iberia
Fri, Aug 28 - Sun, Aug 30
Multiple Airlines Logo
11:35 am - 3:40 pm
LIS
-
IAH
34h 05m
2 stops
Multiple Airlines Logo
6:10 pm - 10:15 pm
IAH
-
LIS
22h 05m
2 stops
$919Multiple Airlines
Thu, Aug 27 - Wed, Sep 9
Multiple Airlines Logo
5:05 am - 5:55 pm
LIS
-
IAH
18h 50m
1 stop
Multiple Airlines Logo
7:20 am - 11:05 am
IAH
-
LIS
21h 45m
1 stop
$921Multiple Airlines
Thu, Aug 27 - Wed, Sep 9
Multiple Airlines Logo
6:55 pm - 1:25 pm
LIS
-
IAH
24h 30m
1 stop
Multiple Airlines Logo
7:02 pm - 4:05 pm
IAH
-
LIS
15h 03m
2 stops
$926Multiple Airlines
Sat, Oct 3 - Sat, Oct 17

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Iberia flights from Lisbon to Houston George Bush Intcntl Airport

Our best Iberia deals on Lisbon to Houston George Bush Intcntl Airport flight tickets
Iberia
Sep 11
LIS6:35 amLisbon Humberto Delgado
19h 14m
2 stops
IAH7:49 pmHouston George Bush Intcntl
Sep 23
IAH7:01 pmHouston George Bush Intcntl
15h 04m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$904
Iberia
Aug 27
LIS12:30 pmLisbon Humberto Delgado
17h 29m
2 stops
IAH11:59 pmHouston George Bush Intcntl
Sep 10
IAH7:06 pmHouston George Bush Intcntl
14h 59m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$905
Iberia
Aug 27
LIS12:30 pmLisbon Humberto Delgado
17h 29m
2 stops
IAH11:59 pmHouston George Bush Intcntl
Sep 10
IAH7:06 pmHouston George Bush Intcntl
14h 59m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$906

Air Canada flights from Lisbon to Houston George Bush Intcntl Airport

Our best Air Canada deals on Lisbon to Houston George Bush Intcntl Airport flight tickets
Air Canada
Aug 27
LIS5:05 amLisbon Humberto Delgado
23h 06m
2 stops
IAH10:11 pmHouston George Bush Intcntl
Sep 9
IAH4:45 pmHouston George Bush Intcntl
34h 35m
2 stops
LIS9:20 amLisbon Humberto Delgado
$935
Air Canada
Aug 27
LIS5:05 amLisbon Humberto Delgado
23h 06m
2 stops
IAH10:11 pmHouston George Bush Intcntl
Sep 9
IAH4:45 pmHouston George Bush Intcntl
34h 35m
2 stops
LIS9:20 amLisbon Humberto Delgado
$940
Air Canada
Aug 27
LIS5:05 amLisbon Humberto Delgado
23h 06m
2 stops
IAH10:11 pmHouston George Bush Intcntl
Sep 9
IAH4:45 pmHouston George Bush Intcntl
34h 35m
2 stops
LIS9:20 amLisbon Humberto Delgado
$956

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated July 7, 2026.
Use the filters below to find and compare flights from Lisbon to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 8/27

12:30 pm-11:59 pm

2 stops17h 29m

Houston George Bush Intcntl

Thu 9/10

9:05 pm-11:05 pm

1 stop20h 00m

$890
Quickest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 8/28

12:30 pm-11:59 pm

2 stops17h 29m

Houston George Bush Intcntl

Sun 8/30

9:05 pm-5:45 pm

1 stop14h 40m

$898

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 9/11

6:35 am-7:49 pm

2 stops19h 14m

Houston George Bush Intcntl

Wed 9/23

7:01 pm-4:05 pm

2 stops15h 04m

$904

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 8/27

12:30 pm-11:59 pm

2 stops17h 29m

Houston George Bush Intcntl

Thu 9/10

7:06 pm-4:05 pm

2 stops14h 59m

$905

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 8/27

12:30 pm-11:59 pm

2 stops17h 29m

Houston George Bush Intcntl

Thu 9/10

7:06 pm-4:05 pm

2 stops14h 59m

$906

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 10/3

6:55 pm-1:25 pm

1 stop24h 30m

Houston George Bush Intcntl

Sat 10/17

9:10 pm-11:10 pm

1 stop20h 00m

$911

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 8/28

12:30 pm-11:59 pm

2 stops17h 29m

Houston George Bush Intcntl

Sun 8/30

1:16 pm-8:05 pm

2 stops24h 49m

$913

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 8/27

11:35 am-3:40 pm

2 stops34h 05m

Houston George Bush Intcntl

Wed 9/9

6:10 pm-10:15 pm

2 stops22h 05m

$919

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 8/27

5:05 am-5:55 pm

1 stop18h 50m

Houston George Bush Intcntl

Wed 9/9

7:20 am-11:05 am

1 stop21h 45m

$921

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 10/3

6:55 pm-1:25 pm

1 stop24h 30m

Houston George Bush Intcntl

Sat 10/17

7:02 pm-4:05 pm

2 stops15h 03m

$926

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Lisbon to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of May is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Lisbon, with most prices found around $0. If you are unable to visit Houston George Bush Intcntl Airport during the month of May, then departing from Lisbon during the month January is also very affordable. Most momondo users find prices during this month for around $676.

Can stopping save me money on Lisbon to Houston George Bush Intcntl Airport flights?

You could potentially save up to 23% on your flight if you consider stops on a Lisbon to Houston George Bush Intcntl Airport flight.

How have Lisbon to Houston George Bush Intcntl Airport flight prices changed over time?

As of July 2026, prices for Lisbon to Houston George Bush Intcntl Airport flights are approximately 35% more expensive when compared to flights at the same time last year.

When to book flights from Lisbon to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lisbon to Houston George Bush Intcntl Airport (LIS to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Houston George Bush Intcntl Airport

Fastest flight time

17h 29m

Direct flights

None
The fastest flight from Lisbon to Houston George Bush Intcntl Airport takes 17h 29m
There are no direct flights from Lisbon to Houston George Bush Intcntl Airport. There are no popular flight routes from Lisbon to Houston George Bush Intcntl Airport.
Search flight deals

Frequently asked questions about flying from Lisbon to Houston George Bush Intcntl Airport

  • How far is Lisbon Humberto Delgado to Houston George Bush Intcntl by plane?

    Houston George Bush Intcntl is 4768.5 mi away from Lisbon Humberto Delgado. 17h 29m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Lisbon Humberto Delgado Airport to Houston George Bush Intcntl Airport are updated daily.

  • How old do you have to be to fly from Lisbon Humberto Delgado Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The necessary travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Humble
Conroe
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

Why use momondo?

Why should I use momondo to find a flight deal from Lisbon to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Lisbon to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from Lisbon to Houston with flexible booking policies on momondo?

Yes. All flights to Houston from Lisbon on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Lisbon to Houston?

momondo helps you find the best flight between Lisbon and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Lisbon to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Lisbon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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