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Cheap flights from Lisbon to Houston from $453

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:15 am - 10:56 am
LIS
-
IAH
34h 41m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$927Multiple Airlines
Tue, Jul 21 - Mon, Aug 10
Multiple Airlines Logo
6:15 am - 10:56 am
LIS
-
IAH
34h 41m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$931Multiple Airlines
Tue, Jul 21 - Tue, Aug 11
Multiple Airlines Logo
6:10 am - 10:56 am
LIS
-
IAH
34h 46m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$932Multiple Airlines
Thu, Jul 23 - Mon, Aug 10
Multiple Airlines Logo
6:10 am - 10:56 am
LIS
-
IAH
34h 46m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$935Multiple Airlines
Thu, Jul 23 - Tue, Aug 11
Multiple Airlines Logo
6:15 am - 10:59 am
LIS
-
IAH
34h 44m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$936Multiple Airlines
Mon, Jun 29 - Sat, Jul 11
Multiple Airlines Logo
6:35 am - 9:03 pm
LIS
-
IAH
20h 28m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$939Multiple Airlines
Wed, Jul 22 - Mon, Aug 10
Multiple Airlines Logo
6:35 am - 9:03 pm
LIS
-
IAH
20h 28m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$942Multiple Airlines
Wed, Jul 22 - Tue, Aug 11
Multiple Airlines Logo
6:10 am - 10:24 pm
LIS
-
IAH
22h 14m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$952Multiple Airlines
Thu, Jun 25 - Sun, Jul 12
Multiple Airlines Logo
6:15 am - 10:59 am
LIS
-
IAH
34h 44m
2 stops
Multiple Airlines Logo
8:37 pm - 5:55 am
IAH
-
LIS
27h 18m
1 stop
$955Multiple Airlines
Mon, Jun 29 - Tue, Jul 7
Delta Logo
5:00 am - 1:15 pm
LIS
-
IAH
14h 15m
1 stop
Delta Logo
10:45 am - 11:15 am
IAH
-
LIS
18h 30m
2 stops
$966Delta
Thu, Sep 3 - Sun, Sep 6

British Airways flights from Lisbon to Houston George Bush Intcntl Airport

Our best British Airways deals on Lisbon to Houston George Bush Intcntl Airport flight tickets
British Airways
Jun 11
LIS11:05 amLisbon Humberto Delgado
19h 23m
1 stop
IAH12:28 amHouston George Bush Intcntl
Jul 21
IAH3:30 pmHouston George Bush Intcntl
20h 25m
1 stop
LIS5:55 pmLisbon Humberto Delgado
$983
British Airways
May 22
LIS11:05 amLisbon Humberto Delgado
19h 24m
1 stop
IAH12:29 amHouston George Bush Intcntl
Jun 5
IAH6:45 pmHouston George Bush Intcntl
17h 15m
2 stops
LIS6:00 pmLisbon Humberto Delgado
$984
British Airways
May 23
LIS7:10 amLisbon Humberto Delgado
18h 05m
1 stop
IAH7:15 pmHouston George Bush Intcntl
Jun 5
IAH6:45 pmHouston George Bush Intcntl
17h 15m
2 stops
LIS6:00 pmLisbon Humberto Delgado
$994

American Airlines flights from Lisbon to Houston George Bush Intcntl Airport

Our best American Airlines deals on Lisbon to Houston George Bush Intcntl Airport flight tickets
American Airlines
Jun 11
LIS11:05 amLisbon Humberto Delgado
18h 54m
2 stops
IAH11:59 pmHouston George Bush Intcntl
Jul 21
IAH12:20 pmHouston George Bush Intcntl
14h 45m
2 stops
LIS9:05 amLisbon Humberto Delgado
$1,024
American Airlines
May 23
LIS7:10 amLisbon Humberto Delgado
36h 10m
1 stop
IAH1:20 pmHouston George Bush Intcntl
Jun 5
IAH9:00 pmHouston George Bush Intcntl
20h 10m
1 stop
LIS11:10 pmLisbon Humberto Delgado
$1,088
American Airlines
May 25
LIS11:05 amLisbon Humberto Delgado
19h 24m
1 stop
IAH12:29 amHouston George Bush Intcntl
Jun 7
IAH9:00 pmHouston George Bush Intcntl
20h 05m
1 stop
LIS11:05 pmLisbon Humberto Delgado
$1,203

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 May 20, 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

Tue 7/21

6:15 am-10:56 am

2 stops34h 41m

Houston George Bush Intcntl

Mon 8/10

8:37 pm-5:55 am

1 stop27h 18m

$927

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 7/21

6:15 am-10:56 am

2 stops34h 41m

Houston George Bush Intcntl

Tue 8/11

8:37 pm-5:55 am

1 stop27h 18m

$931

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 7/23

6:10 am-10:56 am

2 stops34h 46m

Houston George Bush Intcntl

Mon 8/10

8:37 pm-5:55 am

1 stop27h 18m

$932

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 7/23

6:10 am-10:56 am

2 stops34h 46m

Houston George Bush Intcntl

Tue 8/11

8:37 pm-5:55 am

1 stop27h 18m

$935

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 6/29

6:15 am-10:59 am

2 stops34h 44m

Houston George Bush Intcntl

Sat 7/11

8:37 pm-5:55 am

1 stop27h 18m

$936

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 7/22

6:35 am-9:03 pm

2 stops20h 28m

Houston George Bush Intcntl

Mon 8/10

8:37 pm-5:55 am

1 stop27h 18m

$939

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 7/22

6:35 am-9:03 pm

2 stops20h 28m

Houston George Bush Intcntl

Tue 8/11

8:37 pm-5:55 am

1 stop27h 18m

$942

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 6/25

6:10 am-10:24 pm

2 stops22h 14m

Houston George Bush Intcntl

Sun 7/12

8:37 pm-5:55 am

1 stop27h 18m

$952

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 6/29

6:15 am-10:59 am

2 stops34h 44m

Houston George Bush Intcntl

Tue 7/7

8:37 pm-5:55 am

1 stop27h 18m

$955
Quickest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 9/3

5:00 am-1:15 pm

1 stop14h 15m

Houston George Bush Intcntl

Sun 9/6

10:45 am-11:15 am

2 stops18h 30m

$966

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 typical price of a round-trip flight between Lisbon and Houston George Bush Intcntl Airport?

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

The month of August 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 August, then departing from Lisbon during the month March is also very affordable. Most momondo users find prices during this month for around $736.

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

You could potentially save up to 29% 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 May 2026, prices for Lisbon to Houston George Bush Intcntl Airport flights are approximately 27% 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

18h 50m

Direct flights

None
The fastest flight from Lisbon to Houston George Bush Intcntl Airport takes 18h 50m
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. 18h 50m 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
Conroe
Humble
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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