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George Bush Intcntl

$372+ Cheap flights from Portugal to George Bush Intcntl (IAH)

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — IAH
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Portugal to George Bush Intcntl

Keep the following information in mind while searching for Portugal to George Bush Intcntl flight deals. Data was last updated February 20, 2025.

Round-trip from

$592
(Mytrip)

One-way from

$372
(Kiwi.com)

Popular in

August

Cheapest in

April

Average price

$784
From Portugal to Houston George Bush Intcntl
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One-way flight from Portugal to Houston George Bush Intcntl
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Highest demand for flights based on searches. 12% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Portugal to George Bush Intcntl

Cheapest flights from Portugal to George Bush Intcntl
Explore the most affordable flight options available from Portugal to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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.
Mon 3/1011:35 amLIS - IAH
2 stops29h 01mMultiple Airlines
Tue 3/256:04 amIAH - LIS
2 stops28h 11mMultiple Airlines
Deal found 2/20$592
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/110:30 amLIS - IAH
1 stop17h 00mBritish Airways
Sun 3/1610:45 pmIAH - LIS
1 stop18h 00mBritish Airways
Deal found 2/20$680
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 3/110:30 amLIS - IAH
2 stops18h 13mAmerican Airlines
Sun 3/1610:45 pmIAH - LIS
1 stop18h 00mAmerican Airlines
Deal found 2/19$694
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/29:00 amLIS - IAH
2 stops19h 55mIberia
Mon 4/79:00 pmIAH - LIS
2 stops20h 25mIberia
Deal found 2/20$700
This Delta deal was found by Cheapflights users on 2/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/15:00 amLIS - IAH
2 stops21h 44mDelta
Sun 3/165:10 pmIAH - LIS
1 stop17h 00mDelta
Deal found 2/20$758
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/610:55 amLIS - IAH
1 stop17h 23mUnited Airlines
Sun 3/97:50 pmIAH - LIS
1 stop33h 25mUnited Airlines
Deal found 2/19$767
This StudentUniverse deal was found by Cheapflights users on 2/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:35 amLIS - IAH
2 stops18h 45mFinnair
Fri 5/96:23 pmIAH - LIS
2 stops22h 47mFinnair
Deal found 2/20$827
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Sun 3/3010:55 amLIS - IAH
1 stop31h 45mTurkish Airlines
Thu 4/39:00 pmIAH - LIS
1 stop30h 55mTurkish Airlines
Deal found 2/19$846

Find flights from Portugal to George Bush Intcntl within your budget

Customize your flight search to find flights from Portugal to George Bush Intcntl 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 February 20, 2025.

Fly from

Portugal

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 3/10

11:35 am-11:36 am

2 stops29h 01m

Houston George Bush Intcntl

Tue 3/25

6:04 am-3:15 pm

2 stops28h 11m

$592

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 3/10

11:05 am-9:38 pm

1 stop15h 33m

Houston George Bush Intcntl

Mon 3/17

4:55 pm-6:55 pm

1 stop21h 00m

$686

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 3/10

11:05 am-12:18 am

2 stops18h 13m

Houston George Bush Intcntl

Mon 3/17

10:45 pm-9:55 pm

1 stop18h 10m

$694

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Wed 4/2

9:00 am-10:55 pm

2 stops19h 55m

Houston George Bush Intcntl

Mon 4/7

9:00 pm-11:25 pm

2 stops20h 25m

$700

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Thu 3/6

10:55 am-10:18 pm

1 stop17h 23m

Houston George Bush Intcntl

Sun 3/9

7:50 pm-10:15 am

1 stop33h 25m

$767

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Mon 5/5

6:35 am-7:20 pm

2 stops18h 45m

Houston George Bush Intcntl

Fri 5/9

6:23 pm-11:10 pm

2 stops22h 47m

$827

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sun 3/30

10:55 am-12:40 pm

1 stop31h 45m

Houston George Bush Intcntl

Thu 4/3

9:00 pm-9:55 am

1 stop30h 55m

$846

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Sun 3/16

9:20 pm-7:47 pm

2 stops51h 27m

$372

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Fri 5/23

10:15 pm-9:03 pm

2 stops28h 48m

$560

LisbonHouston

LIS - IAH

LISIAH

Lisbon Humberto Delgado

Tue 6/10

10:55 am-12:40 pm

1 stop31h 45m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 17 results
1
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Best time to book a flight from Portugal to George Bush Intcntl

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

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

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

Currently, August is the cheapest month in which you can book a flight from Portugal to Houston George Bush Intcntl Airport (average of $241). Flying from Portugal to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Delta, Finnair and Air France from Portugal to Houston to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines
7.3
Good
3,832 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Portugal to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Portugal to Houston George Bush Intcntl Airport one-way?

    One-way options have recently been found by users for as low as $560 on Aer Lingus. Other airlines that offer cheap prices include Turkish Airlines from $630 and British Airways from $658 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Portugal to Houston George Bush Intcntl Airport (average of $241). Flying from Portugal to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 Portugal?

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Humble
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Conroe
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Alternative routes for Portugal to George Bush Intcntl

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Top airline flying from Portugal to George Bush Intcntl

Discover the top airline that operate flights from Portugal to George Bush Intcntl. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$707Average$792FlexibilityNo cancel feeOn-time70%
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