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.

$365 Cheap Flights from Portugal to Houston George Bush Intcntl Airport in 2026

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Find the cheapest flights from Portugal to Houston

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Recent round-trip flight deals from Portugal to Houston

Enter your travel dates to find the best prices.

8:05 pm - 11:49 pm

LIS

IAH

33h 44m

2 stops

6:14 am - 3:15 pm

IAH

LIS

27h 01m

3 stops

$809Multiple Airlines

Tue, Apr 7 - Tue, Apr 14

7:40 am - 8:23 am

LIS

IAH

30h 43m

2 stops

11:39 am - 3:15 pm

IAH

LIS

21h 36m

2 stops

$828Multiple Airlines

Sat, Apr 18 - Thu, Apr 30

10:40 pm - 10:47 pm

LIS

IAH

30h 07m

3 stops

7:20 am - 11:00 am

IAH

LIS

21h 40m

1 stop

$830Multiple Airlines

Thu, Apr 23 - Tue, Oct 6

12:15 pm - 11:59 pm

LIS

IAH

17h 44m

1 stop

3:31 pm - 7:05 pm

IAH

LIS

21h 34m

2 stops

$839Multiple Airlines

Thu, Apr 23 - Tue, Apr 28

10:40 pm - 10:47 pm

LIS

IAH

30h 07m

3 stops

10:00 am - 12:00 pm

IAH

LIS

20h 00m

2 stops

$841Multiple Airlines

Thu, Apr 23 - Tue, Oct 6

11:35 am - 8:23 am

LIS

IAH

26h 48m

2 stops

11:39 am - 3:15 pm

IAH

LIS

21h 36m

2 stops

$843Multiple Airlines

Mon, Apr 20 - Mon, May 4

11:35 am - 8:23 am

LIS

IAH

26h 48m

2 stops

11:39 am - 3:15 pm

IAH

LIS

21h 36m

2 stops

$845Multiple Airlines

Mon, Apr 20 - Mon, May 4

7:40 am - 8:23 am

LIS

IAH

30h 43m

2 stops

10:00 am - 9:20 am

IAH

LIS

17h 20m

1 stop

$849Multiple Airlines

Thu, Apr 23 - Tue, Oct 6

10:40 pm - 5:53 pm

LIS

IAH

25h 13m

3 stops

4:52 pm - 11:40 pm

IAH

LIS

24h 48m

3 stops

$860Multiple Airlines

Thu, Apr 23 - Tue, Oct 6

10:20 am - 8:23 am

LIS

IAH

28h 03m

1 stop

6:58 pm - 10:30 pm

IAH

LIS

45h 32m

2 stops

$882Multiple Airlines

Mon, Apr 20 - Mon, May 4

United Airlines flights from Portugal to Houston George Bush Intcntl Airport

Our best United Airlines deals on Portugal to Houston George Bush Intcntl Airport flight tickets

United Airlines

Apr 16

LIS7:25 amLisbon Humberto Delgado

16h 35m

1 stop

IAH6:00 pmHouston George Bush Intcntl

Apr 29

IAH12:00 pmHouston George Bush Intcntl

16h 30m

1 stop

LIS10:30 amLisbon Humberto Delgado

$928

United Airlines

Apr 16

LIS7:25 amLisbon Humberto Delgado

16h 35m

1 stop

IAH6:00 pmHouston George Bush Intcntl

Apr 29

IAH2:43 pmHouston George Bush Intcntl

11h 37m

1 stop

LIS8:20 amLisbon Humberto Delgado

$929

United Airlines

May 8

LIS5:05 amLisbon Humberto Delgado

18h 55m

1 stop

IAH6:00 pmHouston George Bush Intcntl

May 15

IAH7:50 pmHouston George Bush Intcntl

32h 45m

1 stop

LIS10:35 amLisbon Humberto Delgado

$933

Delta flights from Portugal to Houston George Bush Intcntl Airport

Our best Delta deals on Portugal to Houston George Bush Intcntl Airport flight tickets

Delta

Apr 3

LIS5:00 amLisbon Humberto Delgado

14h 20m

1 stop

IAH1:20 pmHouston George Bush Intcntl

Apr 16

IAH3:21 pmHouston George Bush Intcntl

20h 29m

2 stops

LIS5:50 pmLisbon Humberto Delgado

$932

Delta

Apr 16

LIS5:00 amLisbon Humberto Delgado

14h 20m

1 stop

IAH1:20 pmHouston George Bush Intcntl

Apr 29

IAH3:50 pmHouston George Bush Intcntl

17h 05m

1 stop

LIS2:55 pmLisbon Humberto Delgado

$934

Delta

Apr 16

LIS5:00 amLisbon Humberto Delgado

14h 20m

1 stop

IAH1:20 pmHouston George Bush Intcntl

Apr 29

IAH2:59 pmHouston George Bush Intcntl

20h 51m

2 stops

LIS5:50 pmLisbon Humberto Delgado

$935

momondo Fare Finder

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

Cheapest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 4/7

8:05 pm-11:49 pm

2 stops33h 44m

Houston George Bush Intcntl

Tue 4/14

6:14 am-3:15 pm

3 stops27h 01m

$809

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 4/18

7:40 am-8:23 am

2 stops30h 43m

Houston George Bush Intcntl

Thu 4/30

11:39 am-3:15 pm

2 stops21h 36m

$828

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 4/23

10:40 pm-10:47 pm

3 stops30h 07m

Houston George Bush Intcntl

Tue 10/6

7:20 am-11:00 am

1 stop21h 40m

$830

Quickest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 4/23

12:15 pm-11:59 pm

1 stop17h 44m

Houston George Bush Intcntl

Tue 4/28

3:31 pm-7:05 pm

2 stops21h 34m

$839

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 4/23

10:40 pm-10:47 pm

3 stops30h 07m

Houston George Bush Intcntl

Tue 10/6

10:00 am-12:00 pm

2 stops20h 00m

$841

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 4/20

11:35 am-8:23 am

2 stops26h 48m

Houston George Bush Intcntl

Mon 5/4

11:39 am-3:15 pm

2 stops21h 36m

$843

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 4/20

11:35 am-8:23 am

2 stops26h 48m

Houston George Bush Intcntl

Mon 5/4

11:39 am-3:15 pm

2 stops21h 36m

$845

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 4/23

7:40 am-8:23 am

2 stops30h 43m

Houston George Bush Intcntl

Tue 10/6

10:00 am-9:20 am

1 stop17h 20m

$849

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 4/23

10:40 pm-5:53 pm

3 stops25h 13m

Houston George Bush Intcntl

Tue 10/6

4:52 pm-11:40 pm

3 stops24h 48m

$860

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 4/20

10:20 am-8:23 am

1 stop28h 03m

Houston George Bush Intcntl

Mon 5/4

6:58 pm-10:30 pm

2 stops45h 32m

$882

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

You could potentially save up to 4% 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

Fastest flight time	14h 15m
Direct flights	None

The fastest flight from Portugal to Houston George Bush Intcntl Airport takes 14h 15m

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.

Search flight deals

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.

Katy

The Woodlands

Conroe

Humble

Cypress

Spring

Montgomery

Jersey Village

Tomball

Livingston

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.