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Cheap flights from Houston Hobby Airport to Porto from $356

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 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
1:00 pm - 10:35 am
HOU
-
OPO
15h 35m
2 stops
Multiple Airlines Logo
11:00 am - 9:43 pm
OPO
-
HOU
16h 43m
2 stops
$784Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
British Airways Logo
8:20 pm - 5:45 pm
HOU
-
OPO
39h 25m
2 stops
British Airways Logo
8:40 pm - 7:50 pm
OPO
-
HOU
29h 10m
2 stops
$829British Airways
Mon, Nov 23 - Mon, Nov 30
Delta Logo
5:26 pm - 10:00 pm
HOU
-
OPO
22h 34m
2 stops
Delta Logo
11:45 am - 11:09 pm
OPO
-
HOU
17h 24m
2 stops
$834Delta
Mon, Oct 5 - Wed, Oct 14
Delta Logo
6:00 am - 10:30 am
HOU
-
OPO
22h 30m
2 stops
Delta Logo
5:00 am - 11:09 pm
OPO
-
HOU
24h 09m
2 stops
$835Delta
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
12:15 pm - 8:00 pm
HOU
-
OPO
25h 45m
2 stops
Multiple Airlines Logo
8:40 pm - 8:35 am
OPO
-
HOU
17h 55m
2 stops
$874Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Delta Logo
6:00 am - 8:30 am
HOU
-
OPO
20h 30m
2 stops
Delta Logo
5:00 am - 10:05 pm
OPO
-
HOU
23h 05m
2 stops
$880Delta
Sun, Aug 9 - Tue, Aug 25
Delta Logo
10:50 am - 10:30 am
HOU
-
OPO
17h 40m
2 stops
Delta Logo
5:55 am - 4:31 pm
OPO
-
HOU
16h 36m
2 stops
$926Delta
Tue, Sep 1 - Thu, Sep 24
Delta Logo
10:50 am - 10:30 am
HOU
-
OPO
17h 40m
2 stops
Delta Logo
5:55 am - 4:23 pm
OPO
-
HOU
16h 28m
2 stops
$927Delta
Tue, Sep 1 - Thu, Sep 24
Delta Logo
5:20 pm - 3:25 pm
HOU
-
OPO
16h 05m
2 stops
Delta Logo
5:00 am - 10:05 pm
OPO
-
HOU
23h 05m
2 stops
$940Delta
Mon, Aug 10 - Mon, Aug 24
British Airways Logo
5:06 pm - 8:05 pm
HOU
-
OPO
20h 59m
2 stops
British Airways Logo
9:25 pm - 4:36 pm
OPO
-
HOU
25h 11m
2 stops
$965British Airways
Mon, Oct 5 - Mon, Oct 12

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British Airways flights from Houston Hobby Airport to Porto

Our best British Airways deals on Houston Hobby Airport to Porto flight tickets
British Airways
Nov 23
HOU8:20 pmHouston Hobby
39h 25m
2 stops
OPO5:45 pmPorto
Nov 30
OPO8:40 pmPorto
29h 10m
2 stops
HOU7:50 pmHouston Hobby
$829
British Airways
Oct 5
HOU5:06 pmHouston Hobby
20h 59m
2 stops
OPO8:05 pmPorto
Oct 12
OPO9:25 pmPorto
25h 11m
2 stops
HOU4:36 pmHouston Hobby
$965
British Airways
Aug 9
HOU8:14 pmHouston Hobby
18h 21m
2 stops
OPO8:35 pmPorto
Aug 25
OPO8:55 pmPorto
26h 49m
2 stops
HOU5:44 pmHouston Hobby
$1,095

Delta flights from Houston Hobby Airport to Porto

Our best Delta deals on Houston Hobby Airport to Porto flight tickets
Delta
Oct 5
HOU5:26 pmHouston Hobby
22h 34m
2 stops
OPO10:00 pmPorto
Oct 14
OPO11:45 amPorto
17h 24m
2 stops
HOU11:09 pmHouston Hobby
$834
Delta
Oct 7
HOU6:00 amHouston Hobby
22h 30m
2 stops
OPO10:30 amPorto
Oct 14
OPO5:00 amPorto
24h 09m
2 stops
HOU11:09 pmHouston Hobby
$835
Delta
Aug 9
HOU6:00 amHouston Hobby
20h 30m
2 stops
OPO8:30 amPorto
Aug 25
OPO5:00 amPorto
23h 05m
2 stops
HOU10:05 pmHouston Hobby
$880

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 July 2, 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
Quickest round-trip

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 11/9

1:00 pm-10:35 am

2 stops15h 35m

Porto

Mon 11/16

11:00 am-9:43 pm

2 stops16h 43m

$784

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 11/23

8:20 pm-5:45 pm

2 stops39h 25m

Porto

Mon 11/30

8:40 pm-7:50 pm

2 stops29h 10m

$829

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 10/5

5:26 pm-10:00 pm

2 stops22h 34m

Porto

Wed 10/14

11:45 am-11:09 pm

2 stops17h 24m

$834

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 10/7

6:00 am-10:30 am

2 stops22h 30m

Porto

Wed 10/14

5:00 am-11:09 pm

2 stops24h 09m

$835

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 11/23

12:15 pm-8:00 pm

2 stops25h 45m

Porto

Mon 11/30

8:40 pm-8:35 am

2 stops17h 55m

$874

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 8/9

6:00 am-8:30 am

2 stops20h 30m

Porto

Tue 8/25

5:00 am-10:05 pm

2 stops23h 05m

$880

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 9/1

10:50 am-10:30 am

2 stops17h 40m

Porto

Thu 9/24

5:55 am-4:31 pm

2 stops16h 36m

$926

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 9/1

10:50 am-10:30 am

2 stops17h 40m

Porto

Thu 9/24

5:55 am-4:23 pm

2 stops16h 28m

$927

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 8/10

5:20 pm-3:25 pm

2 stops16h 05m

Porto

Mon 8/24

5:00 am-10:05 pm

2 stops23h 05m

$940

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 10/5

5:06 pm-8:05 pm

2 stops20h 59m

Porto

Mon 10/12

9:25 pm-4:36 pm

2 stops25h 11m

$965

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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

12h 30m

Direct flights

None
The fastest flight from Houston Hobby Airport to Porto takes 12h 30m
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 30m, 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
9,926 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
Chaves
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Ponte de Lima
Viseu
Curia
Mesao Frio
Penafiel
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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