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Cheap flights from Houston Hobby Airport to Porto from $384

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 10/15. 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.
Multiple Airlines Logo
6:19 pm - 4:00 pm
HOU
-
OPO
15h 41m
2 stops
Multiple Airlines Logo
12:25 pm - 11:53 pm
OPO
-
HOU
17h 28m
2 stops
$843Multiple Airlines
Mon, Oct 12 - Wed, Oct 21
Delta Logo
10:05 am - 10:30 am
HOU
-
OPO
18h 25m
2 stops
Delta Logo
5:00 am - 9:43 pm
OPO
-
HOU
22h 43m
2 stops
$905Delta
Wed, Oct 7 - Sun, Nov 15
Delta Logo
6:00 am - 10:25 am
HOU
-
OPO
22h 25m
2 stops
Delta Logo
5:55 am - 9:35 pm
OPO
-
HOU
21h 40m
2 stops
$917Delta
Sun, Sep 13 - Wed, Sep 23
Delta Logo
1:10 pm - 10:30 am
HOU
-
OPO
15h 20m
2 stops
Delta Logo
9:25 am - 9:51 pm
OPO
-
HOU
18h 26m
2 stops
$925Delta
Mon, Jul 6 - Wed, Jul 22
Delta Logo
5:08 pm - 3:25 pm
HOU
-
OPO
16h 17m
2 stops
Delta Logo
9:25 am - 9:51 pm
OPO
-
HOU
18h 26m
2 stops
$940Delta
Mon, Jul 6 - Wed, Jul 22
Delta Logo
5:35 pm - 6:15 pm
HOU
-
OPO
18h 40m
2 stops
Delta Logo
9:25 am - 9:51 pm
OPO
-
HOU
18h 26m
2 stops
$1,000Delta
Thu, Jul 9 - Tue, Jul 14
Delta Logo
6:00 am - 10:25 am
HOU
-
OPO
22h 25m
2 stops
Delta Logo
6:15 am - 9:51 pm
OPO
-
HOU
21h 36m
2 stops
$1,053Delta
Sun, Jul 5 - Tue, Jul 14
Iberia Logo
6:49 pm - 4:00 pm
HOU
-
OPO
15h 11m
2 stops
Iberia Logo
12:25 pm - 11:56 pm
OPO
-
HOU
17h 31m
2 stops
$1,098Iberia
Wed, Jul 15 - Sun, Jul 19
Delta Logo
10:09 am - 3:25 pm
HOU
-
OPO
23h 16m
2 stops
Delta Logo
5:00 am - 9:43 pm
OPO
-
HOU
22h 43m
2 stops
$1,160Delta
Tue, Jun 23 - Wed, Jul 1
Delta Logo
1:10 pm - 6:20 pm
HOU
-
OPO
23h 10m
2 stops
Delta Logo
5:00 am - 9:43 pm
OPO
-
HOU
22h 43m
2 stops
$1,165Delta
Tue, Jun 23 - Wed, Jul 1

Iberia flights from Houston Hobby Airport to Porto

Our best Iberia deals on Houston Hobby Airport to Porto flight tickets
Iberia
Jul 15
HOU6:49 pmHouston Hobby
15h 11m
2 stops
OPO4:00 pmPorto
Jul 19
OPO12:25 pmPorto
17h 31m
2 stops
HOU11:56 pmHouston Hobby
$1,098
Iberia
Jun 10
HOU6:48 pmHouston Hobby
30h 52m
2 stops
OPO7:40 amPorto
Jun 30
OPO12:25 pmPorto
17h 34m
2 stops
HOU11:59 pmHouston Hobby
$2,043
Iberia
Jul 19
HOU2:33 pmHouston Hobby
15h 12m
2 stops
OPO11:45 amPorto
Jul 28
OPO8:20 amPorto
17h 33m
2 stops
HOU7:53 pmHouston Hobby
$2,138

Delta flights from Houston Hobby Airport to Porto

Our best Delta deals on Houston Hobby Airport to Porto flight tickets
Delta
Oct 7
HOU10:05 amHouston Hobby
18h 25m
2 stops
OPO10:30 amPorto
Nov 15
OPO5:00 amPorto
22h 43m
2 stops
HOU9:43 pmHouston Hobby
$905
Delta
Sep 13
HOU6:00 amHouston Hobby
22h 25m
2 stops
OPO10:25 amPorto
Sep 23
OPO5:55 amPorto
21h 40m
2 stops
HOU9:35 pmHouston Hobby
$917
Delta
Jul 6
HOU1:10 pmHouston Hobby
15h 20m
2 stops
OPO10:30 amPorto
Jul 22
OPO9:25 amPorto
18h 26m
2 stops
HOU9:51 pmHouston Hobby
$925

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 May 13, 2026.
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

Cheapest round-trip

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 10/12

6:19 pm-4:00 pm

2 stops15h 41m

Porto

Wed 10/21

12:25 pm-11:53 pm

2 stops17h 28m

$843

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 10/7

10:05 am-10:30 am

2 stops18h 25m

Porto

Sun 11/15

5:00 am-9:43 pm

2 stops22h 43m

$905

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 9/13

6:00 am-10:25 am

2 stops22h 25m

Porto

Wed 9/23

5:55 am-9:35 pm

2 stops21h 40m

$917

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 7/6

1:10 pm-10:30 am

2 stops15h 20m

Porto

Wed 7/22

9:25 am-9:51 pm

2 stops18h 26m

$925

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 7/6

5:08 pm-3:25 pm

2 stops16h 17m

Porto

Wed 7/22

9:25 am-9:51 pm

2 stops18h 26m

$940

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 7/9

5:35 pm-6:15 pm

2 stops18h 40m

Porto

Tue 7/14

9:25 am-9:51 pm

2 stops18h 26m

$1,000

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 7/5

6:00 am-10:25 am

2 stops22h 25m

Porto

Tue 7/14

6:15 am-9:51 pm

2 stops21h 36m

$1,053
Quickest round-trip

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 7/15

6:49 pm-4:00 pm

2 stops15h 11m

Porto

Sun 7/19

12:25 pm-11:56 pm

2 stops17h 31m

$1,098

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 6/23

10:09 am-3:25 pm

2 stops23h 16m

Porto

Wed 7/1

5:00 am-9:43 pm

2 stops22h 43m

$1,160

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 6/23

1:10 pm-6:20 pm

2 stops23h 10m

Porto

Wed 7/1

5:00 am-9:43 pm

2 stops22h 43m

$1,165

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 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 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 April instead. Flights to Porto in April, while not as cheap as those in November, still average around $624.

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

Frequently asked questions about flying from Houston Hobby Airport to Porto

  • 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
United AirlinesPriceFrom $626Free CancellationRating
7.4
9,707 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
Lamego
Esposende
Chaves
Pinhao
Espinho
Guimarães
Arcos de Valdevez
Viseu
Ponte de Lima
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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