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$446+ Cheap flights from Houston 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OPO
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Houston to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 December 18, 2024.

Round-trip from

$677
(Mytrip)

One-way from

$446
(Mytrip)

Popular in

May

Cheapest in

November

Average price

$1,212
From Houston to Porto
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One-way flight from Houston to Porto
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High demand for flights, 20% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from Houston to Porto

Cheapest flights from Houston to Porto
Explore the most affordable flight options available from Houston to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/239:14 amIAH - OPO
2 stops20h 01mMultiple Airlines
Thu 1/97:05 amOPO - IAH
2 stops23h 10mMultiple Airlines
Deal found 12/17$1,439
This Iberia deal was found by Cheapflights users on 12/17. 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 12/296:56 pmIAH - OPO
2 stops15h 04mIberia
Sun 1/58:40 pmOPO - IAH
2 stops28h 30mIberia
Deal found 12/17$1,802
This SmartFares deal was found by Cheapflights users on 12/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/234:30 pmIAH - OPO
1 stop23h 55mLufthansa
Thu 1/94:20 pmOPO - IAH
1 stop28h 20mLufthansa
Deal found 12/17$1,915
This KLM deal was found by Cheapflights users on 12/17. 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.
Mon 12/233:25 pmIAH - OPO
1 stop21h 15mKLM
Tue 1/77:30 pmOPO - IAH
1 stop24h 05mKLM
Deal found 12/17$2,103
This Delta deal was found by Cheapflights users on 12/17. 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 12/303:25 pmIAH - OPO
1 stop21h 15mDelta
Thu 1/211:15 amOPO - IAH
1 stop32h 20mDelta
Deal found 12/17$2,213
This Turkish Airlines deal was found by Cheapflights users on 12/17. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/289:20 pmIAH - OPO
1 stop36h 05mTurkish Airlines
Wed 1/111:00 amOPO - IAH
1 stop38h 25mTurkish Airlines
Deal found 12/17$2,261
This British Airways deal was found by Cheapflights users on 12/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/3012:25 pmHOU - OPO
2 stops17h 20mBritish Airways
Wed 1/18:20 amOPO - HOU
2 stops17h 23mBritish Airways
Deal found 12/17$2,412
This Air Canada deal was found by Cheapflights users on 12/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2612:05 pmIAH - OPO
2 stops17h 30mAir Canada
Thu 1/26:00 amOPO - IAH
2 stops33h 09mAir Canada
Deal found 12/17$2,571
This British Airways deal was found by Cheapflights users on 12/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2711:03 amIAH - OPO
2 stops14h 37mBritish Airways
Sat 1/48:40 pmOPO - IAH
2 stops31h 03mBritish Airways
Deal found 12/17$2,754
This Expedia deal was found by Cheapflights users on 12/17. 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.
Sat 12/286:19 pmHOU - OPO
2 stops15h 41mIberia
Fri 1/38:20 amOPO - HOU
2 stops21h 36mIberia
Deal found 12/17$2,902
This British Airways deal was found by Cheapflights users on 12/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2712:25 pmHOU - OPO
2 stops17h 20mMultiple Airlines
Wed 1/18:20 amOPO - HOU
2 stops17h 23mMultiple Airlines
Deal found 12/17$6,092
This Delta deal was found by Cheapflights users on 12/17. 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.
Sun 12/2910:35 amHOU - OPO
2 stops18h 20mDelta
Sat 1/46:00 amOPO - HOU
2 stops22h 08mDelta
Deal found 12/17$11,222

Find flights from Houston to Porto within your budget

Customize your flight search to find flights from Houston 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 2/9

9:30 am-7:20 pm

2 stops27h 50m

Porto

Mon 2/24

8:10 pm-10:18 pm

3 stops32h 08m

$677

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 2/9

9:30 am-12:05 pm

2 stops20h 35m

Porto

Mon 2/24

6:00 am-10:18 pm

2 stops46h 18m

$721

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 2/9

4:10 pm-10:55 am

1 stop12h 45m

Porto

Mon 2/24

6:20 am-1:35 pm

1 stop37h 15m

$738

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 2/16

6:30 pm-4:00 pm

2 stops15h 30m

Porto

Mon 2/24

8:40 pm-5:30 pm

2 stops26h 50m

$742

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 4/1

3:50 pm-3:30 pm

1 stop17h 40m

Porto

Mon 4/7

4:20 pm-1:25 pm

1 stop27h 05m

$744

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 2/9

12:14 pm-11:45 am

2 stops17h 31m

Porto

Mon 2/24

8:40 pm-7:43 pm

2 stops29h 03m

$752

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sat 2/15

6:20 pm-3:10 pm

2 stops38h 50m

Porto

Mon 2/24

12:25 pm-6:20 pm

1 stop35h 55m

$764

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 4/30

9:05 pm-3:50 pm

1 stop36h 45m

Porto

Tue 5/13

4:50 pm-12:50 pm

1 stop26h 00m

$775

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Sun 2/9

5:00 pm-3:25 pm

2 stops16h 25m

Porto

Mon 2/24

6:20 am-5:42 pm

2 stops17h 22m

$806

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sat 2/8

6:00 pm-7:40 am

2 stops31h 40m

Porto

Sat 2/15

8:40 pm-7:37 pm

2 stops28h 57m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 25 results
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2
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Best time to book a flight from Houston to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Houston 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.

Travel insights for flights from Houston to Porto

Get recent, data-driven insights about flights from Houston to Porto including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Houston to Porto (average of $523). Flying from Houston to Porto in June is currently the most expensive (average of $1,000). 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 Houston 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 December 18, 2024.

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

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 December 18, 2024.
To help decide which airline to fly from Houston to Porto, see what other customers have to say about Air Canada, KLM and Turkish Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,059 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Houston 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?

    If you book a flight to Porto from Houston, 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 to Porto per day from 4 different airlines.

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

    Flying on Air Canada is currently your cheapest option to Porto, with prices starting at $721. Additional round-trip tickets that might be worth considering are offered by Delta and Iberia, with the lowest prices starting at $738 and $742, respectively. These flights start at 38% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston to Porto one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $1,105. Users have also found prices from $1,455 and $2,469 on British Airways and SWISS, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston 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 to Porto?

    Currently, January is the cheapest month in which you can book a flight from Houston to Porto (average of $523). Flying from Houston to Porto in June is currently the most expensive (average of $1,000). 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

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Top 4 airlines flying from Houston to Porto

Discover the top 4 airlines that operate flights from Houston 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$644Average$1,086FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$703Average$1,227FlexibilityNo cancel feeOn-time69%
DeltaCheapest$812Average$1,026FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$944Average$1,385FlexibilityNo cancel feeOn-time76%
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