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$573+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OPO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$618
(British Airways)

One-way from

$573
(KLM)

Popular in

December

Cheapest in

November

Average price

$1,024
From Houston Hobby to Porto
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One-way flight from Houston Hobby to Porto
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Highest demand for flights based on searches. 2% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:11 pmHOU - OPO
2 stops15h 44mAmerican Airlines
Wed 11/58:40 pmOPO - HOU
2 stops17h 55mAmerican Airlines
Deal found 9/10$661
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 10/206:00 amHOU - OPO
2 stops22h 40mDelta
Wed 11/56:00 amOPO - HOU
2 stops17h 48mDelta
Deal found 9/10$687
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:13 amHOU - OPO
2 stops15h 27mIberia
Thu 12/118:40 pmOPO - HOU
2 stops29h 38mIberia
Deal found 9/9$729
This Delta deal was found by Cheapflights users on 9/10. 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 11/116:00 amHOU - OPO
2 stops22h 30mDelta
Mon 11/1711:15 amOPO - HOU
2 stops18h 31mDelta
Deal found 9/10$763
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 11/106:53 pmHOU - OPO
2 stops14h 32mDelta
Sun 11/2311:15 amOPO - HOU
2 stops18h 31mDelta
Deal found 9/10$777
This Delta deal was found by Cheapflights users on 9/10. 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 11/126:53 pmHOU - OPO
2 stops14h 32mDelta
Sun 11/165:00 amOPO - HOU
2 stops24h 46mDelta
Deal found 9/10$827
This Delta deal was found by Cheapflights users on 9/10. 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 10/86:44 pmHOU - OPO
2 stops21h 31mDelta
Wed 10/156:15 amOPO - HOU
2 stops22h 45mDelta
Deal found 9/10$837
This Delta deal was found by Cheapflights users on 9/9. 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.
Fri 10/2410:13 amHOU - OPO
2 stops18h 27mDelta
Fri 10/3111:15 amOPO - HOU
2 stops27h 03mDelta
Deal found 9/9$839
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 11/66:00 amHOU - OPO
2 stops22h 30mDelta
Sun 11/95:00 amOPO - HOU
2 stops24h 46mDelta
Deal found 9/9$891
This Ovago deal was found by Cheapflights users on 9/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:13 amHOU - OPO
2 stops15h 27mMultiple Airlines
Sun 12/218:20 amOPO - HOU
2 stops21h 24mMultiple Airlines
Deal found 9/9$904

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 September 11, 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

Mon 10/20

6:00 am-10:40 am

2 stops22h 40m

Porto

Wed 11/5

6:00 am-5:48 pm

2 stops17h 48m

$687

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 12/4

10:13 am-7:40 am

2 stops15h 27m

Porto

Thu 12/11

8:40 pm-8:18 pm

2 stops29h 38m

$729

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Tue 11/11

6:00 am-10:30 am

2 stops22h 30m

Porto

Mon 11/17

11:15 am-11:46 pm

2 stops18h 31m

$763

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Mon 11/10

6:53 pm-3:25 pm

2 stops14h 32m

Porto

Sun 11/23

11:15 am-11:46 pm

2 stops18h 31m

$777

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 11/12

6:53 pm-3:25 pm

2 stops14h 32m

Porto

Sun 11/16

5:00 am-11:46 pm

2 stops24h 46m

$827

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 10/8

6:44 pm-10:15 pm

2 stops21h 31m

Porto

Wed 10/15

6:15 am-11:00 pm

2 stops22h 45m

$837

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Fri 10/24

10:13 am-10:40 am

2 stops18h 27m

Porto

Fri 10/31

11:15 am-9:18 am

2 stops27h 03m

$839

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 11/6

2:22 pm-3:25 pm

2 stops19h 03m

Porto

Sun 11/9

5:00 am-11:46 pm

2 stops24h 46m

$891

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 11/12

12:15 pm-11:45 am

2 stops17h 30m

Porto

Sun 11/16

8:20 am-7:50 pm

2 stops17h 30m

$1,008

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Fri 10/31

6:44 pm-3:25 pm

2 stops15h 41m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 11 results
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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, January is the cheapest month in which you can book a flight from Houston Hobby Airport to Porto (average of $523). Flying from Houston Hobby Airport to Porto in June is currently the most expensive (average of $1,027). 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 September 11, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 27% on flights from Houston Hobby Airport to Porto by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Houston Hobby Airport to Porto?

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 September 11, 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
7.8
Good
1,385 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,937 reviews
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Boarding

7.8

Crew

8.4

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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 and Iberia fly from Houston Hobby Airport to Porto in about 15h 27m. The time it takes to get you to your destination can typically vary by up to 7h 13m. Houston Hobby Airport and Porto are separated by a distance of 4736 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 41% 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, January is the cheapest month in which you can book a flight from Houston Hobby Airport to Porto (average of $523). Flying from Houston Hobby Airport to Porto in June is currently the most expensive (average of $1,027). 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

Browse thousands of different options on Cheapflights for your next trip

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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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George Bush Intcntl to Porto flights
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$655Average$1,312FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$662Average$959FlexibilityNo cancel feeOn-time69%

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