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$284+ Cheap flights from George Bush Intcntl (IAH) 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — OPO
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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The best prices from Houston George Bush Intcntl to Porto are usually found in February or January, booked 8 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from George Bush Intcntl to Porto

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

May

Cheapest in

February

Round-trip from

$668
(KLM)

One-way from

$284
(Kiwi.com)
Provider with most accurate pricing for Houston George Bush Intcntl-Porto flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Porto flights.
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High demand for flights, 22% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Houston George Bush Intcntl to Porto
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One-way flight from Houston George Bush Intcntl to Porto
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Find flight deals from George Bush Intcntl to Porto

Cheapest flights from George Bush Intcntl to Porto
Explore the most affordable flight options available from George Bush Intcntl to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This United Airlines deal was found by Cheapflights users on 11/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1812:25 pmIAH - OPO
2 stops20h 50mUnited Airlines
Wed 12/256:00 amOPO - IAH
1 stop18h 20mUnited Airlines
Deal found 11/20$1,310
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Wed 12/187:20 amIAH - OPO
2 stops28h 40mMultiple Airlines
Wed 12/256:50 amOPO - IAH
2 stops20h 24mMultiple Airlines
Deal found 11/20$1,426
This KLM deal was found by Cheapflights users on 11/20. 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 stop18h 00mKLM
Wed 12/2512:35 pmOPO - IAH
1 stop31h 00mKLM
Deal found 11/20$1,929

Find flights from George Bush Intcntl to Porto within your budget

Customize your flight search to find flights from George Bush Intcntl 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 2,629,791 searches. Data last updated November 21, 2024.

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HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 3/2

4:10 pm-10:55 am

1 stop12h 45m

Porto

Sat 3/8

11:15 am-1:35 pm

1 stop32h 20m

$668

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 3/2

6:30 am-11:35 am

2 stops23h 05m

Porto

Sat 3/8

12:30 pm-2:40 pm

1 stop32h 10m

$692

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 4/1

9:05 pm-9:45 am

1 stop30h 40m

Porto

Tue 4/8

10:45 am-12:50 pm

1 stop32h 05m

$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

Sat 5/17

4:00 pm-11:15 am

2 stops37h 15m

Porto

Fri 5/30

5:55 pm-11:56 pm

2 stops36h 01m

$1,166

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 5/13

7:20 am-11:20 am

2 stops22h 00m

Porto

Sun 5/18

6:00 am-11:14 am

2 stops35h 14m

$1,472

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sat 5/17

2:30 pm-10:40 am

1 stop14h 10m

Porto

Wed 5/28

6:05 pm-8:40 am

1 stop20h 35m

$1,527

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Wed 5/14

1:18 pm-3:55 pm

2 stops20h 37m

Porto

Thu 5/29

8:15 am-7:55 pm

2 stops17h 40m

$1,563

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Tue 5/20

3:50 pm-3:30 pm

1 stop17h 40m

Porto

Wed 5/28

11:25 am-1:25 pm

1 stop32h 00m

$1,564

HoustonPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Sun 5/18

3:50 pm-3:30 pm

1 stop17h 40m

Porto

Fri 5/30

9:15 am-9:09 pm

2 stops17h 54m

$1,572

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 14 results
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Compare providers for flights from George Bush Intcntl 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 George Bush Intcntl to Porto in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 George Bush Intcntl Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Porto flights, Cheapflights users trust FlightHub the most. FlightHub 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 George Bush Intcntl 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 George Bush Intcntl to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from George Bush Intcntl 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 George Bush Intcntl to Porto

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

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Porto?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Porto. Price data was last updated on November 15, 2024.

The price you pay for your flight from Houston George Bush Intcntl Airport to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 5 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Porto (average of $517). Flying from Houston George Bush Intcntl Airport 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 IAH to OPO?

Find hourly flight availability from George Bush Intcntl 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.

A simple way to save on the total cost of your ticket is to fly from Houston George Bush Intcntl Airport to Porto in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

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.
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
1,350 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
1,525 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

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.

Turkish Airlines
7.4
Good
3,914 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

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
9,172 reviews
Delta
8.0
Very good
8,758 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

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 George Bush Intcntl 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 George Bush Intcntl?

    Most people fly into Porto (OPO) if they book a flight to Porto from Houston George Bush Intcntl. On average, Porto has 0 inbound flights from Houston George Bush Intcntl per day from 4 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

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

    According to our current data, KLM ($668), United Airlines ($692), and Turkish Airlines ($787) offers the cheapest pricing from Houston George Bush Intcntl Airport to Porto. You may be able to fly from Houston George Bush Intcntl Airport to Porto for 42% less than the average price by searching for these airlines.

  • Can I find deals for flights from George Bush Intcntl to Porto that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Porto?

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

  • Can I find deals for business class flights from George Bush Intcntl to Porto?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Porto (average of $517). Flying from Houston George Bush Intcntl Airport 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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Alternative routes for George Bush Intcntl to Porto

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Top 4 airlines flying from George Bush Intcntl to Porto

Discover the top 4 airlines that operate flights from George Bush Intcntl 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$572Average$1,026FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$644Average$1,106FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$788Average$1,207FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$944Average$1,385FlexibilityNo cancel feeOn-time76%
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