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$530+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — OPO
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
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 November 21, 2024.

Popular in

April

Cheapest in

November

Round-trip from

$668
(KLM)

One-way from

$530
(Kiwi.com)
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 26% potential price drop
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From Houston to Porto
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One-way flight from Houston to Porto
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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 November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/21. 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 12/237:21 amIAH - OPO
2 stops29h 59mMultiple Airlines
Sat 1/48:45 amOPO - IAH
2 stops29h 53mMultiple Airlines
Deal found 11/21$1,686
This United deal was found by Cheapflights users on 11/21. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/182:40 pmIAH - OPO
2 stops16h 25mUnited Airlines
Mon 12/306:00 amOPO - IAH
1 stop18h 20mUnited Airlines
Deal found 11/21$1,958
This Air Canada deal was found by Cheapflights users on 11/21. 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.
Wed 12/187:20 amIAH - OPO
2 stops23h 45mAir Canada
Mon 12/306:15 amOPO - IAH
2 stops20h 59mAir Canada
Deal found 11/21$2,045
This KLM deal was found by Cheapflights users on 11/21. 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.
Wed 12/183:25 pmIAH - OPO
1 stop24h 55mKLM
Mon 12/306:20 amOPO - IAH
1 stop37h 15mKLM
Deal found 11/21$2,081
This Delta deal was found by Cheapflights users on 11/21. 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 12/186:00 amHOU - OPO
2 stops22h 30mDelta
Mon 12/306:20 amOPO - HOU
2 stops22h 08mDelta
Deal found 11/21$2,303
This FlightHub deal was found by Cheapflights users on 11/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/239:20 pmIAH - OPO
1 stop30h 40mTurkish Airlines
Sat 1/410:40 amOPO - IAH
1 stop38h 45mTurkish Airlines
Deal found 11/21$2,427

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 2,612,795 searches. Data last updated November 21, 2024.

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Price

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Fri 2/28

4:10 pm-10:50 am

1 stop12h 40m

Porto

Mon 3/10

4:10 pm-2:35 pm

1 stop27h 25m

$668

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Fri 2/28

3:55 pm-4:00 pm

2 stops18h 05m

Porto

Mon 3/10

8:40 pm-7:31 pm

2 stops27h 51m

$671

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Thu 1/23

4:18 pm-4:00 pm

2 stops17h 42m

Porto

Thu 1/30

12:25 pm-11:55 pm

2 stops17h 30m

$673

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Fri 2/28

6:30 am-3:15 pm

3 stops26h 45m

Porto

Mon 3/10

12:25 pm-10:18 pm

2 stops38h 53m

$680

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 4/2

2:35 pm-9:45 am

1 stop37h 10m

Porto

Thu 4/10

10:45 am-7:10 pm

1 stop38h 25m

$787

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 4/1

9:30 am-10:55 pm

3 stops31h 25m

Porto

Tue 4/8

12:00 pm-11:12 am

2 stops29h 12m

$889

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 4/1

9:30 am-11:20 am

2 stops19h 50m

Porto

Tue 4/8

6:00 am-9:14 pm

2 stops21h 14m

$1,062

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 4/30

10:45 am-10:40 am

2 stops17h 55m

Porto

Tue 5/13

5:00 am-6:30 pm

2 stops19h 30m

$1,102

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 4/2

6:35 pm-3:55 pm

2 stops15h 20m

Porto

Thu 4/10

12:20 pm-11:44 pm

2 stops17h 24m

$1,441

HoustonPorto

HOU - OPO

HOUOPO

Houston Hobby

Wed 12/18

6:00 am-10:30 am

2 stops22h 30m

Porto

Mon 12/30

6:20 am-10:28 pm

2 stops22h 08m

$2,303

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 17 results
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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 $517). Flying from Houston to Porto in June is currently the most expensive (average of $993). 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 November 21, 2024.

Unlike at noon, when flights are generally more expensive, you can save up to 10% 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 November 21, 2024.
To help decide which airline to fly from Houston to Porto, see what other customers have to say about British Airways, Iberia and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,755 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
8,755 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
8,755 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

Turkish Airlines
7.4
Good
3,920 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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
9,172 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,755 reviews

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

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 KLM is currently your cheapest option to Porto, with prices starting at $668. Additional round-trip tickets that might be worth considering are offered by British Airways and American Airlines, with the lowest prices starting at $671 and $673, respectively. These flights start at 45% 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 United Airlines. According to our data, you can fly for as low as $560. Users have also found prices from $760 and $861 on Lufthansa and British Airways, 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 $517). Flying from Houston to Porto in June is currently the most expensive (average of $993). 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 2,612,795 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$572Average$1,026FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$644Average$1,158FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$703Average$1,272FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$944Average$1,385FlexibilityNo cancel feeOn-time76%
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