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Cheap flights from Portugal to Houston from $421

1 adult
1 adult, Economy, 0 bags

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.
British Airways Logo
11:05 am - 10:27 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
17h 22m1 stop Philadelphia
British Airways Logo
3:50 pm - 2:50 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
17h 00m1 stop London Heathrow
$866British Airways
Thu, Nov 5 - Tue, Nov 17
Multiple Airlines Logo
5:00 am - 1:20 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
14h 20m1 stop Amsterdam Schiphol
Multiple Airlines Logo
3:55 pm - 2:55 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
17h 00m1 stop Paris Charles de Gaulle
$867Multiple Airlines
Tue, Sep 22 - Mon, Sep 28
Delta Logo
5:00 am - 1:20 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
14h 20m1 stop Amsterdam Schiphol
Delta Logo
3:20 pm - 2:55 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
17h 35m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$868Delta
Fri, Sep 18 - Tue, Sep 22
Multiple Airlines Logo
5:00 am - 1:20 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
14h 20m1 stop Amsterdam Schiphol
Multiple Airlines Logo
8:10 pm - 3:10 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
14h 00m1 stop Paris Charles de Gaulle
$869Multiple Airlines
Wed, Oct 21 - Wed, Oct 28
Multiple Airlines Logo
5:00 am - 5:32 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
18h 32m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Multiple Airlines Logo
3:55 pm - 2:55 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
17h 00m1 stop Paris Charles de Gaulle
$872Multiple Airlines
Tue, Sep 22 - Mon, Sep 28
Multiple Airlines Logo
5:00 am - 1:20 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
14h 20m1 stop Amsterdam Schiphol
Multiple Airlines Logo
6:20 pm - 3:10 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
15h 50m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$873Multiple Airlines
Wed, Oct 21 - Wed, Oct 28
Delta Logo
5:00 am - 9:10 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
22h 10m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
11:30 am - 11:25 amIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
17h 55m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
$874Delta
Thu, Jan 21 - Thu, Feb 4
Delta Logo
5:00 am - 11:03 pmLIS  Lisbon Humberto Delgado-HOU Houston Hobby
24h 03m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
5:28 pm - 3:10 pmHOU  Houston Hobby-LIS Lisbon Humberto Delgado
16h 42m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
$875Delta
Wed, Oct 21 - Wed, Oct 28
Delta Logo
5:00 am - 11:03 pmLIS  Lisbon Humberto Delgado-HOU Houston Hobby
24h 03m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
6:09 am - 8:00 amHOU  Houston Hobby-LIS Lisbon Humberto Delgado
20h 51m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
$876Delta
Wed, Oct 21 - Thu, Oct 29
Delta Logo
5:30 am - 4:50 pmLIS  Lisbon Humberto Delgado-IAH Houston George Bush Intcntl
17h 20m1 stop Paris Charles de Gaulle
Delta Logo
7:10 pm - 3:10 pmIAH  Houston George Bush Intcntl-LIS Lisbon Humberto Delgado
14h 00m1 stop Paris Charles de Gaulle
$876Delta
Thu, Jan 21 - Thu, Feb 4

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Delta flights from Portugal to Houston

Our best Delta deals on Portugal to Houston flight tickets
Delta
Sep 10
LIS5:00 amLisbon Humberto Delgado
14h 20m
1 stop
IAH1:20 pmHouston George Bush Intcntl
Sep 23
IAH8:10 amHouston George Bush Intcntl
18h 40m
2 stops
LIS8:50 amLisbon Humberto Delgado
$867
Delta
Sep 18
LIS5:00 amLisbon Humberto Delgado
14h 20m
1 stop
IAH1:20 pmHouston George Bush Intcntl
Sep 22
IAH3:20 pmHouston George Bush Intcntl
17h 35m
2 stops
LIS2:55 pmLisbon Humberto Delgado
$868
Delta
Sep 15
LIS5:00 amLisbon Humberto Delgado
14h 20m
1 stop
IAH1:20 pmHouston George Bush Intcntl
Sep 28
IAH3:55 pmHouston George Bush Intcntl
19h 55m
1 stop
LIS5:50 pmLisbon Humberto Delgado
$869

Iberia flights from Portugal to Houston

Our best Iberia deals on Portugal to Houston flight tickets
Iberia
Sep 10
LIS12:30 pmLisbon Humberto Delgado
17h 20m
2 stops
HOU11:50 pmHouston Hobby
Sep 23
HOU6:34 pmHouston Hobby
15h 31m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$1,848
Iberia
Sep 13
LIS6:35 amLisbon Humberto Delgado
19h 13m
2 stops
HOU7:48 pmHouston Hobby
Sep 26
HOU6:34 pmHouston Hobby
15h 31m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$2,664
Iberia
Sep 11
LIS8:25 amLisbon Humberto Delgado
17h 23m
2 stops
HOU7:48 pmHouston Hobby
Sep 24
HOU6:19 pmHouston Hobby
15h 46m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$3,011

momondo Fare Finder

 
Use the filters below to find and compare flights from Portugal to Houston that are best for you.

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Depart

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Price

Cheapest round-trip

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Thu 11/5

11:05 am-10:27 pm

1 stop17h 22m

Houston George Bush Intcntl

Tue 11/17

3:50 pm-2:50 pm

1 stop17h 00m

$866

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Tue 9/22

5:00 am-1:20 pm

1 stop14h 20m

Houston George Bush Intcntl

Mon 9/28

3:55 pm-2:55 pm

1 stop17h 00m

$867

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Fri 9/18

5:00 am-1:20 pm

1 stop14h 20m

Houston George Bush Intcntl

Tue 9/22

3:20 pm-2:55 pm

2 stops17h 35m

$868
Quickest round-trip

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Wed 10/21

5:00 am-1:20 pm

1 stop14h 20m

Houston George Bush Intcntl

Wed 10/28

8:10 pm-3:10 pm

1 stop14h 00m

$869

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Tue 9/22

5:00 am-5:32 pm

2 stops18h 32m

Houston George Bush Intcntl

Mon 9/28

3:55 pm-2:55 pm

1 stop17h 00m

$872

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Wed 10/21

5:00 am-1:20 pm

1 stop14h 20m

Houston George Bush Intcntl

Wed 10/28

6:20 pm-3:10 pm

2 stops15h 50m

$873

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Thu 1/21

5:00 am-9:10 pm

2 stops22h 10m

Houston George Bush Intcntl

Thu 2/4

11:30 am-11:25 am

2 stops17h 55m

$874

LisbonHouston

LIS Lisbon Humberto Delgado - HOU Houston Hobby

LISHOU

Lisbon Humberto Delgado

Wed 10/21

5:00 am-11:03 pm

2 stops24h 03m

Houston Hobby

Wed 10/28

5:28 pm-3:10 pm

2 stops16h 42m

$875

LisbonHouston

LIS Lisbon Humberto Delgado - HOU Houston Hobby

LISHOU

Lisbon Humberto Delgado

Wed 10/21

5:00 am-11:03 pm

2 stops24h 03m

Houston Hobby

Thu 10/29

6:09 am-8:00 am

2 stops20h 51m

$876

LisbonHouston

LIS Lisbon Humberto Delgado - IAH Houston George Bush Intcntl

LISIAH

Lisbon Humberto Delgado

Thu 1/21

5:30 am-4:50 pm

1 stop17h 20m

Houston George Bush Intcntl

Thu 2/4

7:10 pm-3:10 pm

1 stop14h 00m

$876

Flights are sorted by cheapest round-trip flights first.

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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 September is, on average, the cheapest month to fly to Houston from Portugal, with most prices found around $765. The month of October is another great option to travel to Houston, with average flight prices from Portugal averaging around $874.

Cheap Portugal to Houston flight deals and tips

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

Best Price Found

$421

Fastest flight time

14h 20m

Direct flights

None
The best one-way flight to Houston from Portugal in the past 72 hours is $421. The best round-trip flight deal from Portugal to Houston found on momondo in the last 72 hours is $866.
The fastest flight from Portugal to Houston takes 14h 20m
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.

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