Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portugal to Houston from $406

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 7/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portugal to Houston

Recent round-trip flight deals from Portugal to Houston

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:25 am - 7:38 pm
LIS
-
IAH
14h 13m
1 stop
Multiple Airlines Logo
10:00 am - 9:20 am
IAH
-
LIS
17h 20m
1 stop
$949Multiple Airlines
Tue, Sep 1 - Sun, Sep 6
Air Canada Logo
11:25 am - 7:38 pm
LIS
-
IAH
14h 13m
1 stop
Air Canada Logo
11:45 am - 9:20 am
IAH
-
LIS
15h 35m
2 stops
$957Air Canada
Tue, Sep 1 - Sun, Sep 6
Multiple Airlines Logo
5:00 am - 1:15 pm
LIS
-
IAH
14h 15m
1 stop
Multiple Airlines Logo
3:55 pm - 8:50 am
IAH
-
LIS
34h 55m
1 stop
$962Multiple Airlines
Sun, Sep 6 - Sat, Sep 12
Air Canada Logo
6:45 am - 9:52 pm
LIS
-
IAH
21h 07m
2 stops
Air Canada Logo
6:10 pm - 9:50 am
IAH
-
LIS
34h 40m
2 stops
$965Air Canada
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
6:45 am - 1:35 pm
LIS
-
IAH
36h 50m
1 stop
United Airlines Logo
5:05 pm - 10:15 am
IAH
-
LIS
12h 10m
1 stop
$973United Airlines
Wed, Oct 21 - Sun, Oct 25
United Airlines Logo
6:45 am - 1:35 pm
LIS
-
IAH
36h 50m
1 stop
United Airlines Logo
5:05 pm - 10:15 am
IAH
-
LIS
12h 10m
1 stop
$974United Airlines
Wed, Oct 21 - Sun, Oct 25
Virgin Atlantic Logo
12:45 pm - 11:51 pm
LIS
-
IAH
17h 06m
2 stops
Virgin Atlantic Logo
1:15 pm - 10:45 am
IAH
-
LIS
15h 30m
2 stops
$987Virgin Atlantic
Tue, Sep 1 - Sun, Sep 6
American Airlines Logo
6:35 am - 7:51 pm
LIS
-
HOU
19h 16m
2 stops
American Airlines Logo
1:08 pm - 9:05 am
HOU
-
LIS
14h 57m
2 stops
$997American Airlines
Wed, Oct 21 - Sun, Oct 25
American Airlines Logo
6:35 am - 8:23 pm
LIS
-
IAH
19h 48m
2 stops
American Airlines Logo
11:30 am - 9:05 am
IAH
-
LIS
16h 35m
2 stops
$997American Airlines
Wed, Oct 21 - Sun, Oct 25
Virgin Atlantic Logo
10:00 am - 9:35 pm
LIS
-
HOU
17h 35m
2 stops
Virgin Atlantic Logo
1:00 pm - 10:45 am
HOU
-
LIS
15h 45m
2 stops
$1,310Virgin Atlantic
Tue, Sep 1 - Sun, Sep 6

American Airlines flights from Portugal to Houston

Our best American Airlines deals on Portugal to Houston flight tickets
American Airlines
May 28
LIS7:20 amLisbon Humberto Delgado
36h 00m
1 stop
IAH1:20 pmHouston George Bush Intcntl
Jun 11
IAH9:00 pmHouston George Bush Intcntl
20h 05m
1 stop
LIS11:05 pmLisbon Humberto Delgado
$982
American Airlines
Oct 21
LIS6:35 amLisbon Humberto Delgado
19h 16m
2 stops
HOU7:51 pmHouston Hobby
Oct 25
HOU1:08 pmHouston Hobby
14h 57m
2 stops
LIS9:05 amLisbon Humberto Delgado
$997
American Airlines
Jul 4
LIS7:10 amLisbon Humberto Delgado
36h 15m
1 stop
IAH1:25 pmHouston George Bush Intcntl
Jul 17
IAH12:21 pmHouston George Bush Intcntl
14h 44m
1 stop
LIS9:05 amLisbon Humberto Delgado
$1,195

Virgin Atlantic flights from Portugal to Houston

Our best Virgin Atlantic deals on Portugal to Houston flight tickets
Virgin Atlantic
Sep 1
LIS12:45 pmLisbon Humberto Delgado
17h 06m
2 stops
IAH11:51 pmHouston George Bush Intcntl
Sep 6
IAH1:15 pmHouston George Bush Intcntl
15h 30m
2 stops
LIS10:45 amLisbon Humberto Delgado
$987
Virgin Atlantic
Sep 1
LIS10:00 amLisbon Humberto Delgado
17h 35m
2 stops
HOU9:35 pmHouston Hobby
Sep 6
HOU1:00 pmHouston Hobby
15h 45m
2 stops
LIS10:45 amLisbon Humberto Delgado
$1,310
Virgin Atlantic
Sep 6
LIS9:55 amLisbon Humberto Delgado
17h 40m
2 stops
HOU9:35 pmHouston Hobby
Sep 12
HOU10:05 amHouston Hobby
18h 40m
2 stops
LIS10:45 amLisbon Humberto Delgado
$1,989

momondo Fare Finder

 
Customize your flight search to find flights from Portugal 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, momondo users made 832,500 searches. Data last updated May 25, 2026.
Use the filters below to find and compare flights from Portugal to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 9/1

11:25 am-7:38 pm

1 stop14h 13m

Houston George Bush Intcntl

Sun 9/6

10:00 am-9:20 am

1 stop17h 20m

$949
Quickest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 9/1

11:25 am-7:38 pm

1 stop14h 13m

Houston George Bush Intcntl

Sun 9/6

11:45 am-9:20 am

2 stops15h 35m

$957

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sun 9/6

5:00 am-1:15 pm

1 stop14h 15m

Houston George Bush Intcntl

Sat 9/12

3:55 pm-8:50 am

1 stop34h 55m

$962

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 10/21

6:45 am-9:52 pm

2 stops21h 07m

Houston George Bush Intcntl

Sun 10/25

6:10 pm-9:50 am

2 stops34h 40m

$965

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 10/21

6:45 am-1:35 pm

1 stop36h 50m

Houston George Bush Intcntl

Sun 10/25

5:05 pm-10:15 am

1 stop12h 10m

$973

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 10/21

6:45 am-1:35 pm

1 stop36h 50m

Houston George Bush Intcntl

Sun 10/25

5:05 pm-10:15 am

1 stop12h 10m

$974

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 9/1

12:45 pm-11:51 pm

2 stops17h 06m

Houston George Bush Intcntl

Sun 9/6

1:15 pm-10:45 am

2 stops15h 30m

$987

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Wed 10/21

6:35 am-7:51 pm

2 stops19h 16m

Houston Hobby

Sun 10/25

1:08 pm-9:05 am

2 stops14h 57m

$997

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 10/21

6:35 am-8:23 pm

2 stops19h 48m

Houston George Bush Intcntl

Sun 10/25

11:30 am-9:05 am

2 stops16h 35m

$997

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Tue 9/1

10:00 am-9:35 pm

2 stops17h 35m

Houston Hobby

Sun 9/6

1:00 pm-10:45 am

2 stops15h 45m

$1,310

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

How to get the cheapest flight ticket from Portugal to Houston

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?

The month of January is, on average, the cheapest month to fly to Houston from Portugal, with most prices found around $525. The month of March is another great option to travel to Houston, with average flight prices from Portugal averaging around $526.

Cheap Portugal to Houston flight deals and tips

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

Fastest flight time

14h 13m

Direct flights

None
The fastest flight from Portugal to Houston takes 14h 13m
There are no direct flights from Portugal to Houston. There are no popular flight routes from Portugal to Houston.
Search flight deals

Frequently asked questions about flying from Portugal to Houston

  • When did momondo last update prices for flights from Portugal to Houston?

    Prices for flights from Portugal to Houston are refreshed on a daily basis.

  • How old do you have to be to fly from Portugal to Houston?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portugal to Houston.

  • What documentation or ID do you need to fly to Houston?

    The necessary travel and health documents for your Houston 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.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portugal to Houston. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Houston from Portugal with this policy.

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

momondo helps you find the best flight between Portugal 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 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.

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 6/24
Wed 7/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States