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Cheap flights from Portugal to Houston from $380

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 4/21. 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
1 adult, Economy, 0 bags

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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
9:15 pm - 9:50 pm
LIS
-
IAH
30h 35m
2 stops
Multiple Airlines Logo
6:50 am - 3:35 pm
IAH
-
LIS
26h 45m
3 stops
$742Multiple Airlines
금, 5월 1 - 화, 5월 5
Multiple Airlines Logo
9:15 pm - 11:22 pm
LIS
-
IAH
32h 07m
3 stops
Multiple Airlines Logo
6:50 am - 3:35 pm
IAH
-
LIS
26h 45m
3 stops
$772Multiple Airlines
금, 5월 1 - 화, 5월 5
Multiple Airlines Logo
9:15 pm - 9:50 pm
LIS
-
IAH
30h 35m
2 stops
Multiple Airlines Logo
6:50 am - 10:05 pm
IAH
-
LIS
33h 15m
2 stops
$792Multiple Airlines
금, 5월 1 - 월, 5월 11
Multiple Airlines Logo
12:15 pm - 11:59 pm
LIS
-
IAH
17h 44m
1 stop
Multiple Airlines Logo
3:31 pm - 11:00 am
IAH
-
LIS
13h 29m
1 stop
$793Multiple Airlines
목, 4월 16 - 수, 4월 29
Multiple Airlines Logo
12:15 pm - 11:59 pm
LIS
-
IAH
17h 44m
1 stop
Multiple Airlines Logo
3:31 pm - 12:55 pm
IAH
-
LIS
15h 24m
2 stops
$802Multiple Airlines
목, 4월 16 - 수, 4월 29
Delta Logo
5:00 am - 11:07 pm
LIS
-
HOU
24h 07m
2 stops
Delta Logo
6:00 am - 8:00 am
HOU
-
LIS
20h 00m
2 stops
$963Delta
월, 4월 20 - 월, 5월 4
Delta Logo
5:00 am - 11:07 pm
LIS
-
HOU
24h 07m
2 stops
Delta Logo
5:23 pm - 6:45 pm
HOU
-
LIS
19h 22m
2 stops
$964Delta
월, 4월 20 - 월, 5월 4
American Airlines Logo
8:55 am - 7:51 pm
LIS
-
HOU
16h 56m
2 stops
American Airlines Logo
9:57 am - 9:05 am
HOU
-
LIS
17h 08m
2 stops
$977American Airlines
수, 4월 15 - 일, 4월 19
Virgin Atlantic Logo
12:45 pm - 11:07 pm
LIS
-
HOU
16h 22m
2 stops
Virgin Atlantic Logo
10:27 am - 10:45 am
HOU
-
LIS
18h 18m
2 stops
$980Virgin Atlantic
월, 5월 4 - 월, 5월 11
American Airlines Logo
11:05 am - 11:47 pm
LIS
-
HOU
18h 42m
2 stops
American Airlines Logo
9:57 am - 9:05 am
HOU
-
LIS
17h 08m
2 stops
$985American Airlines
수, 4월 15 - 일, 4월 19

American Airlines flights from Portugal to Houston

Our best American Airlines deals on Portugal to Houston flight tickets
American Airlines
Apr 23
LIS6:35 amLisbon Humberto Delgado
20h 54m
2 stops
IAH9:29 pmHouston George Bush Intcntl
Apr 27
IAH9:00 pmHouston George Bush Intcntl
14h 55m
1 stop
LIS5:55 pmLisbon Humberto Delgado
$968
American Airlines
Apr 23
LIS6:35 amLisbon Humberto Delgado
19h 45m
2 stops
IAH8:20 pmHouston George Bush Intcntl
Apr 27
IAH9:00 pmHouston George Bush Intcntl
14h 55m
1 stop
LIS5:55 pmLisbon Humberto Delgado
$969
American Airlines
Apr 15
LIS8:55 amLisbon Humberto Delgado
16h 56m
2 stops
HOU7:51 pmHouston Hobby
Apr 19
HOU9:57 amHouston Hobby
17h 08m
2 stops
LIS9:05 amLisbon Humberto Delgado
$977

Iberia flights from Portugal to Houston

Our best Iberia deals on Portugal to Houston flight tickets
Iberia
May 18
LIS12:30 pmLisbon Humberto Delgado
17h 24m
2 stops
HOU11:54 pmHouston Hobby
May 25
HOU12:45 pmHouston Hobby
28h 40m
2 stops
LIS11:25 pmLisbon Humberto Delgado
$1,183
Iberia
Jun 10
LIS12:30 pmLisbon Humberto Delgado
17h 29m
2 stops
HOU11:59 pmHouston Hobby
Jun 20
HOU6:39 pmHouston Hobby
19h 26m
2 stops
LIS8:05 pmLisbon Humberto Delgado
$1,297
Iberia
May 16
LIS8:25 amLisbon Humberto Delgado
21h 29m
2 stops
HOU11:54 pmHouston Hobby
May 23
HOU6:39 pmHouston Hobby
15h 26m
2 stops
LIS4:05 pmLisbon Humberto Delgado
$1,308

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 4월 5, 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

금 5/1

9:15 pm-9:50 pm

2 stops30h 35m

Houston George Bush Intcntl

화 5/5

6:50 am-3:35 pm

3 stops26h 45m

$742

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

금 5/1

9:15 pm-11:22 pm

3 stops32h 07m

Houston George Bush Intcntl

화 5/5

6:50 am-3:35 pm

3 stops26h 45m

$772

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

금 5/1

9:15 pm-9:50 pm

2 stops30h 35m

Houston George Bush Intcntl

월 5/11

6:50 am-10:05 pm

2 stops33h 15m

$792
Quickest round-trip

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

목 4/16

12:15 pm-11:59 pm

1 stop17h 44m

Houston George Bush Intcntl

수 4/29

3:31 pm-11:00 am

1 stop13h 29m

$793

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

목 4/16

12:15 pm-11:59 pm

1 stop17h 44m

Houston George Bush Intcntl

수 4/29

3:31 pm-12:55 pm

2 stops15h 24m

$802

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

월 4/20

5:00 am-11:07 pm

2 stops24h 07m

Houston Hobby

월 5/4

6:00 am-8:00 am

2 stops20h 00m

$963

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

월 4/20

5:00 am-11:07 pm

2 stops24h 07m

Houston Hobby

월 5/4

5:23 pm-6:45 pm

2 stops19h 22m

$964

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

수 4/15

8:55 am-7:51 pm

2 stops16h 56m

Houston Hobby

일 4/19

9:57 am-9:05 am

2 stops17h 08m

$977

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

월 5/4

12:45 pm-11:07 pm

2 stops16h 22m

Houston Hobby

월 5/11

10:27 am-10:45 am

2 stops18h 18m

$980

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

수 4/15

11:05 am-11:47 pm

2 stops18h 42m

Houston Hobby

일 4/19

9:57 am-9:05 am

2 stops17h 08m

$985

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 $773. The month of February is another great option to travel to Houston, with average flight prices from Portugal averaging around $797.

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 15m

Direct flights

None
The fastest flight from Portugal to Houston takes 14h 15m
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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1 adult
화 5/5
화 5/12
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