Which airports can I use when flying from Houston George Bush Intcntl Airport to Porto?

Flights from Houston George Bush Intcntl Airport to Porto usually depart from Houston George Bush Intcntl (IAH) and arrive at Porto (OPO).

What cabin classes can I book on flights from Houston George Bush Intcntl Airport to Porto?

Four cabin classes are available on flights from Houston George Bush Intcntl Airport to Porto: • Economy Class • Premium Economy Class • Business Class • First Class Prices vary by airline.

Which airports do connecting flights from Houston George Bush Intcntl Airport to Porto pass through?

One-stop flights from Houston George Bush Intcntl Airport to Porto most commonly connect through: • Amsterdam Schiphol (AMS) - 41% of one-stop connections • Newark (EWR) - 35% of one-stop connections • Istanbul (IST) - 9% of one-stop connections • Frankfurt am Main (FRA) - 8% of one-stop connections

Can I save money by using flexible dates for flights from Houston George Bush Intcntl Airport to Porto?

Yes. Flexible dates can save you up to 47% on flights from Houston George Bush Intcntl Airport to Porto. Wednesday is the cheapest departure day at $707 round-trip on average, while Saturday is the most expensive at $1,314, a difference of $607. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Porto?

Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

How long is a flight from Houston George Bush Intcntl Airport to Porto?

A nonstop flight from Houston George Bush Intcntl Airport to Porto takes 00m, covering 4,726 miles.

Do I need a passport to fly from Houston George Bush Intcntl Airport to Porto?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Houston George Bush Intcntl Airport to Porto looking right now?

One-way fares from Houston George Bush Intcntl Airport to Porto are currently higher than usual. Average one-way flight prices are about $2,147, which is 294% above the typical average for this route.

How much time can I save by choosing a different layover airport from Houston George Bush Intcntl Airport to Porto?

Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 13h 48m, compared with 14h 22m via Amsterdam Schiphol (AMS) and 14h 41m via Montreal Pierre Elliott Trudeau Intl (YUL).

What is the time difference between Houston George Bush Intcntl Airport and Porto?

Porto is 5 hours ahead of Houston George Bush Intcntl Airport (Western European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Porto Airport (OPO)?

Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $24 for economy cars. Top options include: • GREEN MOTION • Drive on Holiday • Klass Wagen • Goldcar Rental SP • Sixt

How much should I expect to pay for a Houston George Bush Intcntl Airport to Porto flight?

Round-trip flights from Houston George Bush Intcntl Airport to Porto range from $725 to $1,209, with an average of $1,029 over the past 12 months. Anything below $725 counts as a good deal.

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Porto?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Porto. It’s 32% cheaper than the average day, while Saturday is the most expensive, with prices 27% higher.

What’s the cheapest month to fly from Houston George Bush Intcntl Airport to Porto?

•January is the cheapest month to fly from Houston George Bush Intcntl Airport to Porto at $682 round-trip. •December ($1,942) and July ($1,337) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 184% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from Houston George Bush Intcntl Airport to Porto?

KLM ($702) and United Airlines ($711) are the cheapest airlines to fly round-trip from Houston George Bush Intcntl Airport to Porto according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Houston George Bush Intcntl Airport to Porto?

Amsterdam Schiphol (AMS) is the most popular layover for the Houston George Bush Intcntl Airport to Porto route. 41% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via AMS.

What is the cheapest layover airport when flying from Houston George Bush Intcntl Airport to Porto?

Flights via Paris Charles de Gaulle (CDG) offer the most affordable fares, with an average round-trip price of $735. Based on KAYAK data over the past 3 months.

When flying from Houston George Bush Intcntl Airport to Porto which airport offers the shortest layover?

Newark (EWR) had the shortest average connection time for Houston George Bush Intcntl Airport to Porto layovers at 7h 58m over the past 3 months.

$325 CHEAP FLIGHTS from Houston to Porto (IAH - OPO)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$529

Typical prices: $725-$1,209

Multiple Airlines

Tue 11/13Thu 11/22

IAH - OPO • 2 stops

Cheapest one-way

$557

Typical prices: $394-$735

KLM

Sun 12/30

IAH - OPO • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Houston George Bush Intcntl Airport and Porto. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 34% price drop

September

Most popular

Good to know

Top layover airports

Paris Charles de Gaulle (CDG)

Cheapest • Avg $735 (round-trip)

Newark (EWR)

Shortest trip • 13h 48m (one-way)

Insights

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Flight Deals

Cheap Flights from Houston to Porto (IAH-OPO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Houston to Porto

Fri, Nov 13 - Sun, Nov 22

2:32 pm - 7:00 pmIAH Houston George Bush Intcntl-OPO Porto

22h 28m2 stops Miami Lisbon Humberto Delgado

11:00 am - 8:44 amOPO Porto-IAH Houston George Bush Intcntl

27h 44m2 stops Lisbon Humberto Delgado Miami

$529Multiple Airlines

Fri, Nov 13 - Sun, Nov 22

12:19 pm - 10:00 pmIAH Houston George Bush Intcntl-OPO Porto

27h 41m3 stops Atlanta Hartsfield-Jackson Miami Lisbon Humberto Delgado

11:00 am - 8:44 amOPO Porto-IAH Houston George Bush Intcntl

27h 44m2 stops Lisbon Humberto Delgado Miami

$630Multiple Airlines

Wed, Mar 10 - Wed, Mar 17

11:55 am - 11:50 amIAH Houston George Bush Intcntl-OPO Porto

17h 55m2 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National

7:20 pm - 9:26 pmOPO Porto-IAH Houston George Bush Intcntl

31h 06m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$699Multiple Airlines

Tue, Apr 13 - Fri, Apr 23

5:05 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

16h 20m1 stop Paris Charles de Gaulle

5:00 am - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

14h 15m1 stop Amsterdam Schiphol

$702KLM

Mon, Mar 15 - Mon, Mar 29

8:10 pm - 10:00 pmIAH Houston George Bush Intcntl-OPO Porto

20h 50m1 stop Paris Charles de Gaulle

6:55 pm - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

24h 20m1 stop Amsterdam Schiphol

$702Multiple Airlines

Tue, Apr 13 - Fri, Apr 23

11:50 am - 10:30 amIAH Houston George Bush Intcntl-OPO Porto

16h 40m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:00 am - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

14h 15m1 stop Amsterdam Schiphol

$708KLM

Wed, Mar 10 - Wed, Mar 17

3:20 pm - 9:30 amIAH Houston George Bush Intcntl-OPO Porto

12h 10m1 stop Newark

6:00 am - 7:15 pmOPO Porto-IAH Houston George Bush Intcntl

18h 15m1 stop Frankfurt am Main

$711United Airlines

Tue, Apr 13 - Fri, Apr 23

5:05 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

16h 20m1 stop Paris Charles de Gaulle

5:00 am - 1:15 pmOPO Porto-IAH Houston George Bush Intcntl

14h 15m1 stop Amsterdam Schiphol

$712KLM

Tue, Apr 13 - Fri, Apr 23

8:30 am - 9:45 amIAH Houston George Bush Intcntl-OPO Porto

19h 15m2 stops Denver Intl Newark

12:35 pm - 12:30 amOPO Porto-IAH Houston George Bush Intcntl

17h 55m2 stops Newark Washington, D.C. Dulles Intl

$735United Airlines

Mon, Mar 8 - Mon, Mar 15

5:00 am - 9:30 amIAH Houston George Bush Intcntl-OPO Porto

22h 30m2 stops Chicago O'Hare Intl Newark

12:30 pm - 3:00 pmOPO Porto-IAH Houston George Bush Intcntl

31h 30m1 stop Frankfurt am Main

$744United Airlines

Recent last minute flight deals from Houston to Porto

Thu, Nov 5 - Thu, Nov 19

9:00 pm - 9:55 amIAH Houston George Bush Intcntl-OPO Porto

30h 55m1 stop Istanbul

4:25 pm - 7:05 pmOPO Porto-IAH Houston George Bush Intcntl

32h 40m1 stop Istanbul

$825Turkish Airlines

Thu, Nov 5 - Thu, Nov 19

7:22 am - 9:30 amIAH Houston George Bush Intcntl-OPO Porto

20h 08m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 6:15 pmOPO Porto-IAH Houston George Bush Intcntl

18h 15m1 stop Frankfurt am Main

$851United Airlines

Thu, Nov 5 - Thu, Nov 19

11:55 am - 9:30 amIAH Houston George Bush Intcntl-OPO Porto

15h 35m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 8:15 pmOPO Porto-IAH Houston George Bush Intcntl

20h 15m2 stops Frankfurt am Main Denver Intl

$857United Airlines

Mon, Nov 2 - Fri, Nov 6

10:00 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

35h 25m1 stop Istanbul

10:55 am - 8:05 pmOPO Porto-IAH Houston George Bush Intcntl

39h 10m1 stop Istanbul

$1,095Turkish Airlines

Mon, Nov 2 - Fri, Nov 6

9:00 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

36h 25m1 stop Istanbul

4:25 pm - 7:05 pmOPO Porto-IAH Houston George Bush Intcntl

32h 40m1 stop Istanbul

$1,250Turkish Airlines

Mon, Nov 2 - Fri, Nov 6

4:10 pm - 11:45 amIAH Houston George Bush Intcntl-OPO Porto

13h 35m1 stop Frankfurt am Main

6:00 am - 6:15 pmOPO Porto-IAH Houston George Bush Intcntl

18h 15m1 stop Frankfurt am Main

$1,275Lufthansa

Mon, Nov 2 - Fri, Nov 6

4:10 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

17h 15m1 stop Frankfurt am Main

6:00 am - 7:10 pmOPO Porto-IAH Houston George Bush Intcntl

19h 10m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,275Lufthansa

Mon, Nov 2 - Fri, Nov 6

2:01 pm - 3:00 pmIAH Houston George Bush Intcntl-OPO Porto

18h 59m2 stops Boston Logan Intl Lisbon Humberto Delgado

7:00 am - 7:08 pmOPO Porto-IAH Houston George Bush Intcntl

18h 08m2 stops Lisbon Humberto Delgado Miami

$1,277TAP AIR PORTUGAL

Mon, Nov 2 - Fri, Nov 6

4:10 pm - 11:45 amIAH Houston George Bush Intcntl-OPO Porto

13h 35m1 stop Frankfurt am Main

6:00 am - 6:15 pmOPO Porto-IAH Houston George Bush Intcntl

18h 15m1 stop Frankfurt am Main

$1,285Lufthansa

Mon, Nov 2 - Fri, Nov 6

4:10 pm - 3:25 pmIAH Houston George Bush Intcntl-OPO Porto

17h 15m1 stop Frankfurt am Main

6:00 am - 7:10 pmOPO Porto-IAH Houston George Bush Intcntl

19h 10m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,289Lufthansa

Booking Insights

Price, demand and travel trends for Houston George Bush Intcntl Airport to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Porto?: Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Porto. It’s 32% cheaper than the average day, while Saturday is the most expensive, with prices 27% higher.
What’s the cheapest month to fly from Houston George Bush Intcntl Airport to Porto? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Houston George Bush Intcntl Airport to Porto, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •January is the cheapest month to fly from Houston George Bush Intcntl Airport to Porto at $682 round-trip.
•December ($1,942) and July ($1,337) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 184% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	January
High season	September
Cheapest flight	$529

Beat the crowds with an average 62% drop in travelers.

The most popular month to fly with an average 89% increase in travelers.

Round-trip flight from Houston George Bush Intcntl Airport to Porto

When to book flights from Houston to Porto

Are your dates flexible? Find out the best times to travel from Houston to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Houston George Bush Intcntl Airport to Porto?
Four cabin classes are available on flights from Houston George Bush Intcntl Airport to Porto:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.
How long is a flight from Houston George Bush Intcntl Airport to Porto?
A nonstop flight from Houston George Bush Intcntl Airport to Porto takes 00m, covering 4,726 miles.
Do I need a passport to fly from Houston George Bush Intcntl Airport to Porto?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Houston George Bush Intcntl Airport to Porto flight?
Round-trip flights from Houston George Bush Intcntl Airport to Porto range from $725 to $1,209, with an average of $1,029 over the past 12 months. Anything below $725 counts as a good deal.
How are flight prices from Houston George Bush Intcntl Airport to Porto looking right now?
One-way fares from Houston George Bush Intcntl Airport to Porto are currently higher than usual. Average one-way flight prices are about $2,147, which is 294% above the typical average for this route.
What car rental options are available at Porto Airport (OPO)?
Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $24 for economy cars. Top options include:

• GREEN MOTION
• Drive on Holiday
• Klass Wagen
• Goldcar Rental SP
• Sixt
Which airports can I use when flying from Houston George Bush Intcntl Airport to Porto?
Flights from Houston George Bush Intcntl Airport to Porto usually depart from Houston George Bush Intcntl (IAH) and arrive at Porto (OPO).
Which airports do connecting flights from Houston George Bush Intcntl Airport to Porto pass through?
One-stop flights from Houston George Bush Intcntl Airport to Porto most commonly connect through:

• Amsterdam Schiphol (AMS) - 41% of one-stop connections
• Newark (EWR) - 35% of one-stop connections
• Istanbul (IST) - 9% of one-stop connections
• Frankfurt am Main (FRA) - 8% of one-stop connections
Can I save money by using flexible dates for flights from Houston George Bush Intcntl Airport to Porto?
Yes. Flexible dates can save you up to 47% on flights from Houston George Bush Intcntl Airport to Porto. Wednesday is the cheapest departure day at $707 round-trip on average, while Saturday is the most expensive at $1,314, a difference of $607.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Houston George Bush Intcntl Airport to Porto?
Flying via Newark (EWR) gives the shortest average 1-stop total travel time at 13h 48m, compared with 14h 22m via Amsterdam Schiphol (AMS) and 14h 41m via Montreal Pierre Elliott Trudeau Intl (YUL).
What is the time difference between Houston George Bush Intcntl Airport and Porto?
Porto is 5 hours ahead of Houston George Bush Intcntl Airport (Western European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Porto?
Some of the most popular sights in Porto are Ribeira Square, Avenida dos Aliados and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Saturday. On this route, Wednesday flights average $707, about $607 less than Saturday fares (46% savings) based on the last 12 months.
If you can choose when to travel, plan your Houston George Bush Intcntl Airport to Porto trip for January. Fares historically average $682 round-trip in that month - typically $1,260 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

• Ap Aeroporto Porto

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IAH - OPO

$325 Find Cheap Flights from Houston to Porto - Compare and Save

Everything you should know

Cheap Flights from Houston to Porto (IAH-OPO)

Recent round-trip flight deals from Houston to Porto

Recent one-way flight deals from Houston to Porto

Recent last minute flight deals from Houston to Porto

Price, demand and travel trends for Houston George Bush Intcntl Airport to Porto flights

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Porto?

What’s the cheapest month to fly from Houston George Bush Intcntl Airport to Porto?

Which airline is the cheapest to fly from Houston George Bush Intcntl Airport to Porto?

What’s the most popular layover airport when flying from Houston George Bush Intcntl Airport to Porto?

What is the cheapest layover airport when flying from Houston George Bush Intcntl Airport to Porto?

When flying from Houston George Bush Intcntl Airport to Porto which airport offers the shortest layover?

Key details for Houston George Bush Intcntl Airport to Porto flights

Low season

High season

Cheapest flight

When to book flights from Houston to Porto

Your Houston George Bush Intcntl Airport to Porto flight questions, answered

Your guide to booking Houston George Bush Intcntl Airport to Porto flights

More options for your flight from Houston to Porto

Complete your trip to Porto with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Porto

Find direct flights to and from Houston and Porto

Flights from domestic origins to Porto

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Find deals for your return flight