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Cheap flights from Houston Hobby Airport to Porto from $467

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

British Airways Logo
12:15 pm - 8:00 pmHOU-OPO
25h 45m2 stops
British Airways Logo
8:20 am - 7:50 pmOPO-HOU
17h 30m2 stops
$640British Airways
Find Deal
Wed, Nov 19 - Wed, Nov 26
American Airlines Logo
10:18 am - 7:40 amHOU-OPO
15h 22m2 stops
American Airlines Logo
8:40 pm - 8:39 amOPO-HOU
17h 59m2 stops
$678American Airlines
Find Deal
Sat, Feb 14 - Sat, Feb 21
American Airlines Logo
10:03 am - 7:40 amHOU-OPO
16h 37m2 stops
American Airlines Logo
8:40 pm - 8:35 amOPO-HOU
17h 55m2 stops
$718American Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
Delta Logo
2:22 pm - 3:35 pmHOU-OPO
19h 13m2 stops
Delta Logo
6:15 am - 11:00 pmOPO-HOU
22h 45m2 stops
$737Delta
Find Deal
Tue, Oct 14 - Tue, Oct 21
KLM Logo
6:44 pm - 3:25 pmHOU-OPO
15h 41m2 stops
KLM Logo
6:00 am - 5:48 pmOPO-HOU
17h 48m2 stops
$739KLM
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
6:00 am - 10:15 amHOU-OPO
22h 15m2 stops
Delta Logo
5:00 am - 11:46 pmOPO-HOU
24h 46m2 stops
$751Delta
Find Deal
Mon, Nov 10 - Sun, Nov 23
Delta Logo
6:44 pm - 3:25 pmHOU-OPO
14h 41m2 stops
Delta Logo
5:00 am - 11:46 pmOPO-HOU
24h 46m2 stops
$787Delta
Find Deal
Thu, Nov 6 - Sun, Nov 9
Delta Logo
10:05 am - 10:30 amHOU-OPO
18h 25m2 stops
Delta Logo
6:30 am - 9:46 pmOPO-HOU
21h 16m2 stops
$791Delta
Find Deal
Sun, Feb 15 - Sun, Feb 22
KLM Logo
6:44 pm - 3:25 pmHOU-OPO
15h 41m2 stops
KLM Logo
6:00 am - 5:48 pmOPO-HOU
17h 48m2 stops
$829KLM
Find Deal
Fri, Oct 31 - Wed, Nov 5
Iberia Logo
12:15 pm - 11:45 amHOU-OPO
17h 30m2 stops
Iberia Logo
8:20 am - 7:50 pmOPO-HOU
17h 30m2 stops
$8,951Iberia
Find Deal
Wed, Nov 12 - Sun, Nov 23

American Airlines flights from Houston Hobby Airport to Porto

Our best American Airlines deals on Houston Hobby Airport to Porto flight tickets
American Airlines
Feb 14
HOU10:18 amHouston Hobby
15h 22m
2 stops
OPO7:40 amPorto
Feb 21
OPO8:40 pmPorto
17h 59m
2 stops
HOU8:39 amHouston Hobby
$678
Find similar
American Airlines
Oct 30
HOU10:03 amHouston Hobby
16h 37m
2 stops
OPO7:40 amPorto
Nov 5
OPO8:40 pmPorto
17h 55m
2 stops
HOU8:35 amHouston Hobby
$718
Find similar
American Airlines
Mar 3
HOU10:18 amHouston Hobby
15h 22m
2 stops
OPO7:40 amPorto
Mar 14
OPO8:40 pmPorto
17h 43m
2 stops
HOU9:23 amHouston Hobby
$837
Find similar

Delta flights from Houston Hobby Airport to Porto

Our best Delta deals on Houston Hobby Airport to Porto flight tickets
Delta
Oct 14
HOU2:22 pmHouston Hobby
19h 13m
2 stops
OPO3:35 pmPorto
Oct 21
OPO6:15 amPorto
22h 45m
2 stops
HOU11:00 pmHouston Hobby
$737
Find similar
Delta
Nov 10
HOU6:00 amHouston Hobby
22h 15m
2 stops
OPO10:15 amPorto
Nov 23
OPO5:00 amPorto
24h 46m
2 stops
HOU11:46 pmHouston Hobby
$751
Find similar
Delta
Nov 6
HOU6:44 pmHouston Hobby
14h 41m
2 stops
OPO3:25 pmPorto
Nov 9
OPO5:00 amPorto
24h 46m
2 stops
HOU11:46 pmHouston Hobby
$787
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 September 16, 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

Wed 11/19

12:15 pm-8:00 pm

2 stops25h 45m

Porto

Wed 11/26

8:20 am-7:50 pm

2 stops17h 30m

$640

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sat 2/14

10:18 am-7:40 am

2 stops15h 22m

Porto

Sat 2/21

8:40 pm-8:39 am

2 stops17h 59m

$678

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 10/30

10:03 am-7:40 am

2 stops16h 37m

Porto

Wed 11/5

8:40 pm-8:35 am

2 stops17h 55m

$718

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 10/14

2:22 pm-3:35 pm

2 stops19h 13m

Porto

Tue 10/21

6:15 am-11:00 pm

2 stops22h 45m

$737

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 10/29

6:44 pm-3:25 pm

2 stops15h 41m

Porto

Wed 11/5

6:00 am-5:48 pm

2 stops17h 48m

$739

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 11/10

6:00 am-10:15 am

2 stops22h 15m

Porto

Sun 11/23

5:00 am-11:46 pm

2 stops24h 46m

$751

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 11/6

6:44 pm-3:25 pm

2 stops14h 41m

Porto

Sun 11/9

5:00 am-11:46 pm

2 stops24h 46m

$787

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 2/15

10:05 am-10:30 am

2 stops18h 25m

Porto

Sun 2/22

6:30 am-9:46 pm

2 stops21h 16m

$791

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Fri 10/31

6:44 pm-3:25 pm

2 stops15h 41m

Porto

Wed 11/5

6:00 am-5:48 pm

2 stops17h 48m

$829

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 11/12

12:15 pm-11:45 am

2 stops17h 30m

Porto

Sun 11/23

8:20 am-7:50 pm

2 stops17h 30m

$8,951

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $654. If you aren’t able to travel during the month of November, then book flights to Porto from Houston Hobby Airport during March instead. Flights to Porto in March, while not as cheap as those in November, still average around $738.

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

Direct flights

None
There are no direct flights from Houston Hobby Airport to Porto. There are no popular flight routes from Houston Hobby Airport to Porto.
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  • 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 14h 32m, 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 $655Free CancellationRating
7.8
1,386 reviews
Search KLM flights
United AirlinesPriceFrom $662Free CancellationRating
7.4
8,924 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
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Esposende
Lamego
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
Mira

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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