What is the cheapest airline that flies from Portugal to Houston?

Aer Lingus, Turkish Airlines, and British Airways are the most popular carriers operating 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 many operators does momondo search for flights from Portugal to Houston?

There are 2 operators available for flights from Portugal to Houston as of August 2025.

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.

$389 Cheap Flights from Portugal to Houston in 2025

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Find the cheapest flights from Portugal to Houston

Round-trip

One-way

Recent round-trip flight deals from Portugal to Houston

10:35 am - 9:07 pmLIS-IAH

16h 32m1 stop

6:59 pm - 11:25 pmIAH-LIS

46h 26m2 stops

$706

Find Deal

Sat, Sep 6 - Fri, Sep 19

10:35 am - 8:18 pmLIS-IAH

15h 43m1 stop

12:58 pm - 9:20 pmIAH-LIS

26h 22m2 stops

$729

Find Deal

Thu, Aug 28 - Wed, Sep 10

10:35 am - 9:07 pmLIS-IAH

16h 32m1 stop

12:58 pm - 8:15 pmIAH-LIS

49h 17m2 stops

$733

Find Deal

Sat, Sep 6 - Fri, Sep 19

5:00 am - 1:15 pmLIS-IAH

14h 15m1 stop

3:50 pm - 5:50 pmIAH-LIS

20h 00m1 stop

$773Delta

Find Deal

Mon, Sep 15 - Mon, Sep 22

5:00 am - 4:27 pmLIS-IAH

17h 27m2 stops

11:30 am - 2:50 pmIAH-LIS

21h 20m2 stops

$778Delta

Find Deal

Mon, Sep 15 - Mon, Sep 22

11:25 am - 11:59 pmLIS-IAH

18h 34m2 stops

12:30 pm - 10:35 amIAH-LIS

16h 05m2 stops

$789KLM

Find Deal

Mon, Jan 19 - Sun, Jan 25

10:30 am - 9:35 pmLIS-IAH

17h 05m1 stop

4:30 pm - 6:00 pmIAH-LIS

19h 30m2 stops

$792British Airways

Find Deal

Sat, Jan 17 - Thu, Jan 22

7:05 am - 8:05 pmLIS-HOU

19h 00m2 stops

4:24 pm - 2:55 pmHOU-LIS

16h 31m2 stops

$803British Airways

Find Deal

Tue, Jan 20 - Mon, Jan 26

10:15 am - 6:44 pmLIS-IAH

14h 29m1 stop

2:30 pm - 8:10 amIAH-LIS

11h 40m1 stop

$942United Airlines

Find Deal

Tue, Jan 20 - Fri, Jan 23

5:00 am - 5:43 pmLIS-IAH

18h 43m2 stops

12:55 pm - 8:00 amIAH-LIS

13h 05m1 stop

$951KLM

Find Deal

Tue, Jan 20 - Fri, Jan 23

Iberia flights from Portugal to Houston

Our best Iberia deals on Portugal to Houston flight tickets

Iberia

Sep 14

LIS12:30 pmLisbon Humberto Delgado

17h 18m

2 stops

HOU11:48 pmHouston Hobby

Sep 21

HOU2:31 pmHouston Hobby

15h 19m

2 stops

LIS11:50 amLisbon Humberto Delgado

$940

Find similar

Iberia

Aug 14

LIS4:45 pmLisbon Humberto Delgado

35h 30m

2 stops

IAH10:15 pmHouston George Bush Intcntl

Sep 15

IAH4:54 pmHouston George Bush Intcntl

24h 31m

2 stops

LIS11:25 pmLisbon Humberto Delgado

$1,057

Find similar

Iberia

Aug 14

LIS4:45 pmLisbon Humberto Delgado

35h 30m

2 stops

IAH10:15 pmHouston George Bush Intcntl

Sep 13

IAH11:00 amHouston George Bush Intcntl

30h 25m

2 stops

LIS11:25 pmLisbon Humberto Delgado

$1,065

Find similar

Virgin Atlantic flights from Portugal to Houston

Our best Virgin Atlantic deals on Portugal to Houston flight tickets

Virgin Atlantic

Aug 11

LIS12:45 pmLisbon Humberto Delgado

17h 11m

2 stops

IAH11:56 pmHouston George Bush Intcntl

Sep 14

IAH2:20 pmHouston George Bush Intcntl

14h 25m

2 stops

LIS10:45 amLisbon Humberto Delgado

$1,005

Find similar

Virgin Atlantic

Sep 6

LIS12:45 pmLisbon Humberto Delgado

15h 46m

2 stops

HOU10:31 pmHouston Hobby

Sep 19

HOU1:13 pmHouston Hobby

15h 47m

2 stops

LIS11:00 amLisbon Humberto Delgado

$1,213

Find similar

Virgin Atlantic

Aug 24

LIS9:55 amLisbon Humberto Delgado

18h 36m

2 stops

HOU10:31 pmHouston Hobby

Sep 6

HOU1:05 pmHouston Hobby

15h 40m

2 stops

LIS10:45 amLisbon Humberto Delgado

$1,526

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 9/6

10:35 am-9:07 pm

1 stop16h 32m

Houston George Bush Intcntl

Fri 9/19

6:59 pm-11:25 pm

2 stops46h 26m

$706

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 8/28

10:35 am-8:18 pm

1 stop15h 43m

Houston George Bush Intcntl

Wed 9/10

12:58 pm-9:20 pm

2 stops26h 22m

$729

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 9/6

10:35 am-9:07 pm

1 stop16h 32m

Houston George Bush Intcntl

Fri 9/19

12:58 pm-8:15 pm

2 stops49h 17m

$733

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 9/15

5:00 am-1:15 pm

1 stop14h 15m

Houston George Bush Intcntl

Mon 9/22

3:50 pm-5:50 pm

1 stop20h 00m

$773

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 9/15

5:00 am-4:27 pm

2 stops17h 27m

Houston George Bush Intcntl

Mon 9/22

11:30 am-2:50 pm

2 stops21h 20m

$778

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 1/19

11:25 am-11:59 pm

2 stops18h 34m

Houston George Bush Intcntl

Sun 1/25

12:30 pm-10:35 am

2 stops16h 05m

$789

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sat 1/17

10:30 am-9:35 pm

1 stop17h 05m

Houston George Bush Intcntl

Thu 1/22

4:30 pm-6:00 pm

2 stops19h 30m

$792

LisbonHouston

LIS - HOU

LISHOU

Lisbon Humberto Delgado

Tue 1/20

7:05 am-8:05 pm

2 stops19h 00m

Houston Hobby

Mon 1/26

4:24 pm-2:55 pm

2 stops16h 31m

$803

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 1/20

10:15 am-6:44 pm

1 stop14h 29m

Houston George Bush Intcntl

Fri 1/23

2:30 pm-8:10 am

1 stop11h 40m

$942

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 1/20

5:00 am-5:43 pm

2 stops18h 43m

Houston George Bush Intcntl

Fri 1/23

12:55 pm-8:00 am

1 stop13h 05m

$951

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

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

Prices

Airlines

What is the cheapest month to fly to Houston?

The month of February is, on average, the cheapest month to fly to Houston from Portugal, with most prices found around $784. The month of April is another great option to travel to Houston, with average flight prices from Portugal averaging around $820.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Portugal is on a Friday. momondo users have found tickets for Friday departures for as low as $795. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Wednesday is $865.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Portugal to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $790. Try not to purchase tickets in the morning because they tend to be around $902. Of course, these prices can vary depending on the time of year and what airport you fly to.

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	$389
Fastest flight time	14h 15m
Direct flights	None
Airports in Houston	2 airports

The best one-way flight to Houston from Portugal in the past 72 hours is $389. The best round-trip flight deal from Portugal to Houston found on momondo in the last 72 hours is $706.

The fastest flight from Portugal to Houston takes 14h 15m

There are no direct flights from Portugal to Houston. Popular non-direct routes for this connection are Lisbon Humberto Delgado Airport - Houston Hobby Airport and Lisbon Humberto Delgado Airport - Houston George Bush Intcntl Airport.

There are 2 airports near Houston: Houston George Bush Intcntl (IAH), Houston Hobby (HOU)

Search flight deals

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 many operators does momondo search for flights from Portugal to Houston?
There are 2 operators available for flights from Portugal to Houston as of August 2025.
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.

Best airlines flying from Portugal to Houston

Compare and see reviews for airlines that fly from Portugal to Houston with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $682	Free Cancellation	Rating 6.6 7,224 reviews		Search British Airways flights
United Airlines	PriceFrom $767	Free Cancellation	Rating 7.4 8,904 reviews		Search United Airlines flights

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.