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Cheap flights from Houston Hobby Airport to Porto from $415

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 6/10. 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.
Iberia Logo
4:18 pm - 4:00 pm
HOU
-
OPO
17h 42m
2 stops
Iberia Logo
8:20 am - 11:52 pm
OPO
-
HOU
21h 32m
2 stops
$805Iberia
Sun, May 3 - Tue, Jun 2
American Airlines Logo
4:18 pm - 4:00 pm
HOU
-
OPO
17h 42m
2 stops
American Airlines Logo
12:25 pm - 11:47 pm
OPO
-
HOU
17h 22m
2 stops
$823American Airlines
Wed, May 6 - Sat, May 16
Iberia Logo
4:18 pm - 4:00 pm
HOU
-
OPO
17h 42m
2 stops
Iberia Logo
8:20 am - 11:52 pm
OPO
-
HOU
21h 32m
2 stops
$834Iberia
Sun, May 3 - Tue, Jun 2
Iberia Logo
10:13 am - 11:45 am
HOU
-
OPO
19h 32m
2 stops
Iberia Logo
4:40 pm - 9:43 am
OPO
-
HOU
22h 03m
2 stops
$842Iberia
Sun, Feb 22 - Wed, Mar 11
Iberia Logo
10:13 am - 7:40 am
HOU
-
OPO
15h 27m
2 stops
Iberia Logo
8:40 pm - 9:43 am
OPO
-
HOU
19h 03m
2 stops
$938Iberia
Thu, Feb 26 - Mon, Mar 2
Iberia Logo
10:13 am - 7:40 am
HOU
-
OPO
15h 27m
2 stops
Iberia Logo
8:40 pm - 9:43 am
OPO
-
HOU
19h 03m
2 stops
$952Iberia
Thu, Feb 26 - Mon, Mar 2
Delta Logo
5:27 pm - 10:05 pm
HOU
-
OPO
22h 38m
2 stops
Delta Logo
7:35 am - 10:42 pm
OPO
-
HOU
21h 07m
2 stops
$962Delta
Tue, Mar 31 - Thu, Apr 9
Delta Logo
5:25 am - 10:30 am
HOU
-
OPO
23h 05m
2 stops
Delta Logo
11:15 am - 10:23 am
OPO
-
HOU
28h 08m
2 stops
$971Delta
Tue, Mar 3 - Sat, Mar 14
Iberia Logo
4:19 pm - 4:00 pm
HOU
-
OPO
17h 41m
2 stops
Iberia Logo
8:40 pm - 7:51 pm
OPO
-
HOU
29h 11m
2 stops
$979Iberia
Mon, Apr 20 - Wed, May 6
Delta Logo
1:06 pm - 10:30 am
HOU
-
OPO
15h 24m
2 stops
Delta Logo
11:15 am - 10:23 am
OPO
-
HOU
28h 08m
2 stops
$1,011Delta
Tue, Mar 3 - Sat, Mar 14

Iberia flights from Houston Hobby Airport to Porto

Our best Iberia deals on Houston Hobby Airport to Porto flight tickets
Iberia
May 3
HOU4:18 pmHouston Hobby
17h 42m
2 stops
OPO4:00 pmPorto
Jun 2
OPO8:20 amPorto
21h 32m
2 stops
HOU11:52 pmHouston Hobby
$805
Iberia
May 3
HOU4:18 pmHouston Hobby
17h 42m
2 stops
OPO4:00 pmPorto
Jun 2
OPO8:20 amPorto
21h 32m
2 stops
HOU11:52 pmHouston Hobby
$834
Iberia
Feb 22
HOU10:13 amHouston Hobby
19h 32m
2 stops
OPO11:45 amPorto
Mar 11
OPO4:40 pmPorto
22h 03m
2 stops
HOU9:43 amHouston Hobby
$842

American Airlines flights from Houston Hobby Airport to Porto

Our best American Airlines deals on Houston Hobby Airport to Porto flight tickets
American Airlines
May 6
HOU4:18 pmHouston Hobby
17h 42m
2 stops
OPO4:00 pmPorto
May 16
OPO12:25 pmPorto
17h 22m
2 stops
HOU11:47 pmHouston Hobby
$823
American Airlines
Jul 5
HOU6:23 pmHouston Hobby
15h 37m
2 stops
OPO4:00 pmPorto
Jul 25
OPO12:25 pmPorto
17h 27m
2 stops
HOU11:52 pmHouston Hobby
$1,589
American Airlines
Jul 5
HOU4:15 pmHouston Hobby
17h 45m
2 stops
OPO4:00 pmPorto
Jul 25
OPO12:25 pmPorto
17h 27m
2 stops
HOU11:52 pmHouston Hobby
$1,674

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 February 5, 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

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 5/3

4:18 pm-4:00 pm

2 stops17h 42m

Porto

Tue 6/2

8:20 am-11:52 pm

2 stops21h 32m

$805

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 5/6

4:18 pm-4:00 pm

2 stops17h 42m

Porto

Sat 5/16

12:25 pm-11:47 pm

2 stops17h 22m

$823

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 5/3

4:18 pm-4:00 pm

2 stops17h 42m

Porto

Tue 6/2

8:20 am-11:52 pm

2 stops21h 32m

$834

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 2/22

10:13 am-11:45 am

2 stops19h 32m

Porto

Wed 3/11

4:40 pm-9:43 am

2 stops22h 03m

$842

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 2/26

10:13 am-7:40 am

2 stops15h 27m

Porto

Mon 3/2

8:40 pm-9:43 am

2 stops19h 03m

$938

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 2/26

10:13 am-7:40 am

2 stops15h 27m

Porto

Mon 3/2

8:40 pm-9:43 am

2 stops19h 03m

$952

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 3/31

5:27 pm-10:05 pm

2 stops22h 38m

Porto

Thu 4/9

7:35 am-10:42 pm

2 stops21h 07m

$962

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 3/3

5:25 am-10:30 am

2 stops23h 05m

Porto

Sat 3/14

11:15 am-10:23 am

2 stops28h 08m

$971

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 4/20

4:19 pm-4:00 pm

2 stops17h 41m

Porto

Wed 5/6

8:40 pm-7:51 pm

2 stops29h 11m

$979

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 3/3

1:06 pm-10:30 am

2 stops15h 24m

Porto

Sat 3/14

11:15 am-10:23 am

2 stops28h 08m

$1,011

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 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.

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

14h 00m

Direct flights

None
The fastest flight from Houston Hobby Airport to Porto takes 14h 00m
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 14h 00m, 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 $550Free CancellationRating
7.7
1,449 reviews
Search KLM flights
United AirlinesPriceFrom $662Free CancellationRating
7.4
9,241 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
Esposende
Lamego
Guimarães
Espinho
Chaves
Pinhao
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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