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Cheap flights from Houston Hobby Airport to Porto from $507

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston Hobby Airport to Porto departing on 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Houston Hobby Airport to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:09 am - 3:25 pm
HOU
-
OPO
22h 16m2 stops
Delta Logo
5:00 am - 10:28 pm
OPO
-
HOU
23h 28m2 stops
$698Delta
mar., févr. 10 - mar., févr. 24
Delta Logo
5:25 am - 10:30 am
HOU
-
OPO
23h 05m2 stops
Delta Logo
11:15 am - 9:40 am
OPO
-
HOU
27h 25m2 stops
$803Delta
mar., mars 3 - sam., mars 14
Iberia Logo
10:35 am - 7:40 am
HOU
-
OPO
15h 05m2 stops
Iberia Logo
8:40 pm - 10:05 am
OPO
-
HOU
19h 25m2 stops
$852Iberia
sam., janv. 31 - sam., févr. 7
Delta Logo
5:45 am - 10:30 am
HOU
-
OPO
22h 45m2 stops
Delta Logo
5:00 am - 10:33 pm
OPO
-
HOU
23h 33m2 stops
$858Delta
ven., janv. 30 - ven., févr. 6
Iberia Logo
10:35 am - 7:40 am
HOU
-
OPO
15h 05m2 stops
Iberia Logo
4:40 pm - 10:05 am
OPO
-
HOU
23h 25m2 stops
$859Iberia
sam., janv. 31 - sam., févr. 7
American Airlines Logo
10:15 am - 7:40 am
HOU
-
OPO
15h 25m2 stops
American Airlines Logo
8:40 pm - 11:48 am
OPO
-
HOU
20h 08m2 stops
$903American Airlines
mar., mars 3 - sam., mars 14
Delta Logo
5:04 pm - 3:25 pm
HOU
-
OPO
16h 21m2 stops
Delta Logo
11:15 am - 10:21 am
OPO
-
HOU
29h 06m2 stops
$949Delta
ven., janv. 23 - lun., févr. 2
Iberia Logo
10:35 am - 7:40 am
HOU
-
OPO
15h 05m2 stops
Iberia Logo
4:40 pm - 10:05 am
OPO
-
HOU
23h 25m2 stops
$1,037Iberia
jeu., janv. 22 - lun., janv. 26
Iberia Logo
6:31 pm - 4:00 pm
HOU
-
OPO
15h 29m2 stops
Iberia Logo
12:25 pm - 11:41 pm
OPO
-
HOU
17h 16m2 stops
$1,109Iberia
dim., mai 10 - dim., mai 17
Iberia Logo
10:35 am - 7:40 am
HOU
-
OPO
15h 05m2 stops
Iberia Logo
4:40 pm - 10:05 am
OPO
-
HOU
23h 25m2 stops
$1,156Iberia
jeu., janv. 22 - lun., janv. 26

Delta flights from Houston Hobby Airport to Porto

Our best Delta deals on Houston Hobby Airport to Porto flight tickets
Delta
Feb 10
HOU11:09 amHouston Hobby
22h 16m
2 stops
OPO3:25 pmPorto
Feb 24
OPO5:00 amPorto
23h 28m
2 stops
HOU10:28 pmHouston Hobby
$698
Find similar
Delta
Mar 3
HOU5:25 amHouston Hobby
23h 05m
2 stops
OPO10:30 amPorto
Mar 14
OPO11:15 amPorto
27h 25m
2 stops
HOU9:40 amHouston Hobby
$803
Find similar
Delta
Jan 30
HOU5:45 amHouston Hobby
22h 45m
2 stops
OPO10:30 amPorto
Feb 6
OPO5:00 amPorto
23h 33m
2 stops
HOU10:33 pmHouston Hobby
$858
Find similar

Iberia flights from Houston Hobby Airport to Porto

Our best Iberia deals on Houston Hobby Airport to Porto flight tickets
Iberia
Jan 31
HOU10:35 amHouston Hobby
15h 05m
2 stops
OPO7:40 amPorto
Feb 7
OPO8:40 pmPorto
19h 25m
2 stops
HOU10:05 amHouston Hobby
$852
Find similar
Iberia
Jan 31
HOU10:35 amHouston Hobby
15h 05m
2 stops
OPO7:40 amPorto
Feb 7
OPO4:40 pmPorto
23h 25m
2 stops
HOU10:05 amHouston Hobby
$859
Find similar
Iberia
Jan 22
HOU10:35 amHouston Hobby
15h 05m
2 stops
OPO7:40 amPorto
Jan 26
OPO4:40 pmPorto
23h 25m
2 stops
HOU10:05 amHouston Hobby
$1,037
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston Hobby Airport to Porto 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 décembre 18, 2025.
Use the filters below to find and compare flights from Houston Hobby Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mar. 2/10

11:09 am-3:25 pm

2 stops22h 16m

Porto

mar. 2/24

5:00 am-10:28 pm

2 stops23h 28m

$698

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mar. 3/3

5:25 am-10:30 am

2 stops23h 05m

Porto

sam. 3/14

11:15 am-9:40 am

2 stops27h 25m

$803

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

sam. 1/31

10:35 am-7:40 am

2 stops15h 05m

Porto

sam. 2/7

8:40 pm-10:05 am

2 stops19h 25m

$852

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

ven. 1/30

5:45 am-10:30 am

2 stops22h 45m

Porto

ven. 2/6

5:00 am-10:33 pm

2 stops23h 33m

$858

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

sam. 1/31

10:35 am-7:40 am

2 stops15h 05m

Porto

sam. 2/7

4:40 pm-10:05 am

2 stops23h 25m

$859

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

mar. 3/3

10:15 am-7:40 am

2 stops15h 25m

Porto

sam. 3/14

8:40 pm-11:48 am

2 stops20h 08m

$903

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

ven. 1/23

5:04 pm-3:25 pm

2 stops16h 21m

Porto

lun. 2/2

11:15 am-10:21 am

2 stops29h 06m

$949

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

jeu. 1/22

10:35 am-7:40 am

2 stops15h 05m

Porto

lun. 1/26

4:40 pm-10:05 am

2 stops23h 25m

$1,037

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

dim. 5/10

6:31 pm-4:00 pm

2 stops15h 29m

Porto

dim. 5/17

12:25 pm-11:41 pm

2 stops17h 16m

$1,109

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

jeu. 1/22

10:35 am-7:40 am

2 stops15h 05m

Porto

lun. 1/26

4:40 pm-10:05 am

2 stops23h 25m

$1,156

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Houston Hobby Airport to Porto

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 typical price of a round-trip flight between Houston Hobby Airport and Porto?

What is the cheapest month to fly to Porto?

The month of November is, on average, the cheapest month to fly to Porto from Houston Hobby Airport, with most prices found around $593. If you aren’t able to travel during the month of November, then book flights to Porto from Houston Hobby Airport during January instead. Flights to Porto in January, while not as cheap as those in November, still average around $682.

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

The cheapest day to depart on your flight to Porto is on a Wednesday when prices can be found for as low as $887. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,432. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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

In the afternoon is the cheapest time of day to fly from Houston Hobby Airport to Porto when you can find flight prices for as low as $1,080. Flying to Porto in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,403 on average. Flights to Porto from Houston Hobby Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Houston Hobby Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Houston Hobby Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston Hobby Airport to Porto (HOU to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston Hobby Airport to Porto

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from Houston Hobby Airport to Porto takes 12h 25m
There are no direct flights from Houston Hobby Airport to Porto. There are no popular flight routes from Houston Hobby Airport to Porto.
Search flight deals

  • How far is Houston Hobby to Porto by plane?

    A flight from Houston Hobby to Porto will travel around 4741.0 mi. Flights usually cover this in 12h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston Hobby Airport to Porto Airport?

    Prices for flights from Houston Hobby Airport to Porto Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston Hobby Airport to Porto Airport?

  • How old do you have to be to fly from Houston Hobby Airport to Porto 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 Houston Hobby Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Houston Hobby Airport to Porto?

Best airlines flying from Houston Hobby Airport to Porto

Compare and see reviews for airlines that fly from Houston Hobby Airport to Porto with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $642Free CancellationRating
7.7
1,428 reviews
Search KLM flights
United AirlinesPriceFrom $662Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Guimarães
Esposende
Lamego
Chaves
Viseu
Espinho
Ponte de Lima
Arcos de Valdevez
Pinhao
Curia
Penafiel
Mesao Frio
Mira
Baiao

Why use momondo?

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

Finding the right flight to Porto from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Porto quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Houston to Porto flights to just show those with flexible booking policies.

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

Once you have performed a search for Houston to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Porto right now. Can momondo alert me if prices change?

Price alerts on flights to Porto from Houston 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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sam. 1/17
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