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$478+ Cheap flights from Hobby (HOU) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OPO
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find flight deals from Hobby to Porto

Cheapest flights from Hobby to Porto
Explore the most affordable flight options available from Hobby to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:47 pmHOU - OPO
2 stops14h 38mDelta
Tue 12/166:05 amOPO - HOU
2 stops22h 43mDelta
Deal found 10/25$571
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:40 amHOU - OPO
2 stops17h 50mDelta
Wed 11/196:00 amOPO - HOU
2 stops23h 07mDelta
Deal found 10/27$741
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:48 pmHOU - OPO
2 stops14h 37mDelta
Sun 11/1611:15 amOPO - HOU
2 stops18h 25mDelta
Deal found 10/26$1,015
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:25 pmHOU - OPO
2 stops18h 00mDelta
Fri 1/911:15 amOPO - HOU
2 stops29h 06mDelta
Deal found 10/26$1,060
This Iberia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:11 amHOU - OPO
2 stops15h 29mIberia
Sun 11/98:40 pmOPO - HOU
2 stops29h 40mIberia
Deal found 10/26$1,507
This KLM deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:44 pmHOU - OPO
2 stops14h 41mKLM
Sun 11/95:00 amOPO - HOU
2 stops18h 53mKLM
Deal found 10/25$1,676
This Iberia deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/262:26 pmHOU - OPO
2 stops16h 19mIberia
Sun 11/28:20 amOPO - HOU
2 stops17h 30mIberia
Deal found 10/25$10,298

Cheap flight deals from Hobby to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Hobby (HOU) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$571
(Delta)

One-way from

$478
(KLM)

Popular in

December

Cheapest in

November

Average price

$799
Provider with most accurate pricing for Houston Hobby-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston Hobby-Porto flights.
Search Deals
From Houston Hobby to Porto
Search Deals
One-way flight from Houston Hobby to Porto
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hobby 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, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Houston Hobby Airport to Porto that are best for you.

Fly from

Hobby

Fly to

Porto

Route

Depart

Return

Price

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 12/9

6:47 pm-3:25 pm

2 stops14h 38m

Porto

Tue 12/16

6:05 am-10:48 pm

2 stops22h 43m

$571

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 3/11

1:00 pm-10:30 am

2 stops16h 30m

Porto

Tue 3/17

11:15 am-9:32 am

2 stops27h 17m

$584

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 3/9

1:00 pm-10:30 am

2 stops16h 30m

Porto

Tue 3/17

11:15 am-12:21 pm

2 stops30h 06m

$584

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 3/9

1:00 pm-10:30 am

2 stops16h 30m

Porto

Wed 3/18

6:00 am-9:32 am

2 stops32h 32m

$591

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 3/10

1:00 pm-3:25 pm

2 stops21h 25m

Porto

Tue 3/17

11:15 am-9:32 am

2 stops27h 17m

$596

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 3/9

1:00 pm-10:30 am

2 stops16h 30m

Porto

Mon 3/16

11:15 am-9:32 am

2 stops27h 17m

$640

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 3/11

1:00 pm-10:30 am

2 stops16h 30m

Porto

Mon 3/16

11:15 am-9:32 am

2 stops27h 17m

$641

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 11/11

10:40 am-10:30 am

2 stops17h 50m

Porto

Wed 11/19

6:00 am-11:07 pm

2 stops23h 07m

$741

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 11/12

10:40 am-10:30 am

2 stops17h 50m

Porto

Wed 11/19

6:00 am-11:07 pm

2 stops23h 07m

$741

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 3/3

1:00 pm-10:30 am

2 stops15h 30m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Compare providers for flights from Hobby to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hobby to Porto in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston Hobby Airport-Porto flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston Hobby Airport-Porto flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston Hobby Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston Hobby Airport-Porto flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston Hobby Airport-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hobby to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Hobby with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston Hobby Airport to Porto

What is the cheapest month to book a flight from Houston Hobby Airport to Porto?

Currently, November is the cheapest month in which you can book a flight from Houston Hobby Airport to Porto (average of $592). Flying from Houston Hobby Airport to Porto in February is currently the most expensive (average of $1,419). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to OPO?

Find hourly flight availability from Hobby to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 26% on flights from Houston Hobby Airport to Porto by exploring options for tickets in the afternoon.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated October 27, 2025.
Read through reviews of airlines operating flights from Houston Hobby Airport to Porto, such as KLM and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,999 reviews
KLM
7.7
Good
1,406 reviews

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Hobby to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Houston Hobby?

    If you book a flight to Porto from Houston Hobby, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from Houston Hobby to Porto per day from 2 different airlines.

  • How long is the flight from Houston Hobby Airport to Porto?

    Airlines like Delta fly from Houston Hobby Airport to Porto in about 14h 38m. The time it takes to get you to your destination can typically vary by up to . Houston Hobby Airport and Porto are separated by a distance of 4736 mi.

  • What are the cheapest airlines flying from Houston Hobby Airport to Porto round-trip?

    According to our current data, KLM ($655), and United Airlines ($662) offers the cheapest pricing from Houston Hobby Airport to Porto. KLM is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Hobby to Porto that include hotel bookings?

    Yes. In addition to deals on Hobby to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hobby to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hobby to Porto.

  • Can I find deals for business class flights from Hobby to Porto?

    Yes. Cheapflights offers flight deals from Hobby to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston Hobby Airport to Porto?

    Currently, November is the cheapest month in which you can book a flight from Houston Hobby Airport to Porto (average of $592). Flying from Houston Hobby Airport to Porto in February is currently the most expensive (average of $1,419). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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Alternative routes for Hobby to Porto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Hobby to Porto

Discover the top 2 airlines that operate flights from Hobby to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$655Average$1,276FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$662Average$971FlexibilityNo cancel feeOn-time69%

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