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Cheap flights from Portugal to Houston from $369

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Houston departing on 11/13. 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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Find the cheapest flights from Portugal to Houston

Recent round-trip flight deals from Portugal to Houston

Multiple Airlines Logo
4:40 pm - 8:32 amLIS-IAH
21h 52m1 stop
Multiple Airlines Logo
6:18 pm - 12:35 pmIAH-LIS
12h 17m1 stop
$669Multiple Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
Multiple Airlines Logo
4:40 pm - 8:32 amLIS-IAH
21h 52m1 stop
Multiple Airlines Logo
9:30 am - 12:35 pmIAH-LIS
21h 05m2 stops
$711Multiple Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
American Airlines Logo
10:55 am - 9:35 pmLIS-IAH
16h 40m1 stop
American Airlines Logo
9:45 pm - 9:55 pmIAH-LIS
18h 10m1 stop
$724American Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
British Airways Logo
10:40 am - 9:30 pmLIS-IAH
16h 50m1 stop
British Airways Logo
9:50 pm - 9:50 amIAH-LIS
30h 00m1 stop
$726British Airways
Find Deal
Sat, Nov 8 - Sat, Nov 22
American Airlines Logo
10:55 am - 11:40 pmLIS-IAH
18h 45m2 stops
American Airlines Logo
3:50 pm - 2:55 pmIAH-LIS
17h 05m1 stop
$727American Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
British Airways Logo
10:55 am - 9:30 pmLIS-IAH
16h 35m1 stop
British Airways Logo
9:50 pm - 9:50 amIAH-LIS
30h 00m1 stop
$728British Airways
Find Deal
Thu, Nov 6 - Sat, Nov 22
Delta Logo
5:00 am - 1:15 pmLIS-IAH
14h 15m1 stop
Delta Logo
12:55 pm - 11:20 amIAH-LIS
17h 25m2 stops
$734Delta
Find Deal
Wed, Oct 22 - Wed, Oct 29
Delta Logo
5:00 am - 5:59 pmLIS-IAH
18h 59m2 stops
Delta Logo
12:55 pm - 11:20 amIAH-LIS
17h 25m2 stops
$739Delta
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Wed, Oct 22 - Wed, Oct 29
Air France Logo
5:30 am - 5:50 pmLIS-IAH
18h 20m2 stops
Air France Logo
4:05 pm - 5:30 pmIAH-LIS
19h 25m1 stop
$741Air France
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Mon, Nov 10 - Tue, Nov 25
Air France Logo
12:10 pm - 11:59 pmLIS-IAH
17h 49m2 stops
Air France Logo
3:50 pm - 11:15 amIAH-LIS
13h 25m1 stop
$746Air France
Find Deal
Fri, Oct 10 - Thu, Oct 23

British Airways flights from Portugal to Houston George Bush Intcntl Airport

Our best British Airways deals on Portugal to Houston George Bush Intcntl Airport flight tickets
British Airways
Nov 8
LIS10:40 amLisbon Humberto Delgado
16h 50m
1 stop
IAH9:30 pmHouston George Bush Intcntl
Nov 22
IAH9:50 pmHouston George Bush Intcntl
30h 00m
1 stop
LIS9:50 amLisbon Humberto Delgado
$726
Find similar
British Airways
Nov 6
LIS10:55 amLisbon Humberto Delgado
16h 35m
1 stop
IAH9:30 pmHouston George Bush Intcntl
Nov 22
IAH9:50 pmHouston George Bush Intcntl
30h 00m
1 stop
LIS9:50 amLisbon Humberto Delgado
$728
Find similar
British Airways
Nov 12
LIS3:55 pmLisbon Humberto Delgado
28h 10m
1 stop
IAH2:05 pmHouston George Bush Intcntl
Dec 3
IAH4:32 pmHouston George Bush Intcntl
16h 18m
2 stops
LIS2:50 pmLisbon Humberto Delgado
$732
Find similar

Air France flights from Portugal to Houston George Bush Intcntl Airport

Our best Air France deals on Portugal to Houston George Bush Intcntl Airport flight tickets
Air France
Nov 10
LIS5:30 amLisbon Humberto Delgado
18h 20m
2 stops
IAH5:50 pmHouston George Bush Intcntl
Nov 25
IAH4:05 pmHouston George Bush Intcntl
19h 25m
1 stop
LIS5:30 pmLisbon Humberto Delgado
$741
Find similar
Air France
Oct 10
LIS12:10 pmLisbon Humberto Delgado
17h 49m
2 stops
IAH11:59 pmHouston George Bush Intcntl
Oct 23
IAH3:50 pmHouston George Bush Intcntl
13h 25m
1 stop
LIS11:15 amLisbon Humberto Delgado
$746
Find similar
Air France
Oct 10
LIS12:10 pmLisbon Humberto Delgado
17h 49m
2 stops
IAH11:59 pmHouston George Bush Intcntl
Oct 23
IAH3:50 pmHouston George Bush Intcntl
13h 25m
1 stop
LIS11:15 amLisbon Humberto Delgado
$748
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portugal 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 September 25, 2025.
Use the filters below to find and compare flights from Portugal to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 11/7

4:40 pm-8:32 am

1 stop21h 52m

Houston George Bush Intcntl

Fri 11/14

6:18 pm-12:35 pm

1 stop12h 17m

$669

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 11/7

4:40 pm-8:32 am

1 stop21h 52m

Houston George Bush Intcntl

Fri 11/14

9:30 am-12:35 pm

2 stops21h 05m

$711

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 1/15

10:55 am-9:35 pm

1 stop16h 40m

Houston George Bush Intcntl

Mon 1/19

9:45 pm-9:55 pm

1 stop18h 10m

$724

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 11/8

10:40 am-9:30 pm

1 stop16h 50m

Houston George Bush Intcntl

Sat 11/22

9:50 pm-9:50 am

1 stop30h 00m

$726

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 2/19

10:55 am-11:40 pm

2 stops18h 45m

Houston George Bush Intcntl

Mon 2/23

3:50 pm-2:55 pm

1 stop17h 05m

$727

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 11/6

10:55 am-9:30 pm

1 stop16h 35m

Houston George Bush Intcntl

Sat 11/22

9:50 pm-9:50 am

1 stop30h 00m

$728

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 10/22

5:00 am-1:15 pm

1 stop14h 15m

Houston George Bush Intcntl

Wed 10/29

12:55 pm-11:20 am

2 stops17h 25m

$734

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 10/22

5:00 am-5:59 pm

2 stops18h 59m

Houston George Bush Intcntl

Wed 10/29

12:55 pm-11:20 am

2 stops17h 25m

$739

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 11/10

5:30 am-5:50 pm

2 stops18h 20m

Houston George Bush Intcntl

Tue 11/25

4:05 pm-5:30 pm

1 stop19h 25m

$741

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 10/10

12:10 pm-11:59 pm

2 stops17h 49m

Houston George Bush Intcntl

Thu 10/23

3:50 pm-11:15 am

1 stop13h 25m

$746

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 Portugal 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 day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Portugal to Houston George Bush Intcntl Airport is on a Tuesday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Tuesday will often find tickets for as low as $758. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Thursday is $1,376.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Portugal to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $790. Try not to purchase tickets in the morning because they tend to be around $1,023. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 30% on your flight if you consider stops on a Portugal to Houston George Bush Intcntl Airport flight.

Cheap Portugal to Houston George Bush Intcntl Airport flight deals and tips

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

Direct flights

None
There are no direct flights from Portugal to Houston George Bush Intcntl Airport. There are no popular flight routes from Portugal to Houston George Bush Intcntl Airport.
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  • When did momondo last update prices for flights from Portugal to Houston George Bush Intcntl Airport?

    Prices for flights from Portugal to Houston George Bush Intcntl Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal 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
The Woodlands
Katy
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to Houston for you.

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

Yes. momondo allows you to filter the results for Portugal to Houston flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Houston from Portugal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Houston from Portugal 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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