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$284+ Cheap flights from George Bush Intcntl (IAH) to Portugal

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 — LIS
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Portugal (PT0). 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 20, 2024.

Find flight deals from George Bush Intcntl to Portugal

Cheapest flights from George Bush Intcntl to Portugal
Explore the most affordable flight options available from George Bush Intcntl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Air Canada deal was found by Cheapflights users on 11/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/109:30 amIAH - LIS
1 stop17h 25mAir Canada
Tue 12/1711:00 amLIS - IAH
1 stop17h 18mAir Canada
Deal found 11/19$598
This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:30 amIAH - LIS
2 stops19h 25mUnited Airlines
Tue 12/1711:00 amLIS - IAH
1 stop17h 18mUnited Airlines
Deal found 11/19$603
This Mytrip deal was found by Cheapflights users on 11/18. 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.
Tue 12/39:30 amIAH - LIS
2 stops23h 45mMultiple Airlines
Wed 12/117:05 amLIS - IAH
2 stops21h 13mMultiple Airlines
Deal found 11/18$607
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/121:30 pmIAH - LIS
1 stop13h 35mBritish Airways
Thu 12/197:00 amLIS - IAH
2 stops22h 33mBritish Airways
Deal found 11/20$712
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:05 amIAH - LIS
2 stops15h 55mDelta
Sun 12/1511:25 amLIS - IAH
1 stop32h 10mDelta
Deal found 11/19$754
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/278:37 amIAH - LIS
2 stops19h 33mAer Lingus
Fri 12/610:50 amLIS - IAH
2 stops18h 38mAer Lingus
Deal found 11/20$760
This Iberia deal was found by Cheapflights users on 11/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:03 pmIAH - LIS
2 stops16h 02mIberia
Fri 12/136:30 amLIS - IAH
2 stops19h 56mIberia
Deal found 11/19$882
This FlightHub deal was found by Cheapflights users on 11/19. 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.
Mon 12/29:20 pmIAH - LIS
1 stop35h 40mTurkish Airlines
Sat 12/144:00 pmLIS - IAH
1 stop27h 20mTurkish Airlines
Deal found 11/19$887
This Mytrip deal was found by Cheapflights users on 11/18. 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 12/169:30 amIAH - OPO
3 stops21h 35mMultiple Airlines
Thu 1/98:15 amOPO - IAH
2 stops29h 27mMultiple Airlines
Deal found 11/18$1,030
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Mon 12/164:44 pmIAH - OPO
2 stops36h 56mUnited Airlines
Thu 1/96:00 amOPO - IAH
2 stops20h 10mUnited Airlines
Deal found 11/18$1,058
This Air France deal was found by Cheapflights users on 11/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/294:10 pmIAH - LIS
1 stop17h 00mAir France
Fri 12/65:30 amLIS - IAH
1 stop14h 25mAir France
Deal found 11/19$1,066
This KLM deal was found by Cheapflights users on 11/18. 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 12/164:10 pmIAH - OPO
1 stop12h 40mKLM
Thu 1/94:10 pmOPO - IAH
1 stop27h 25mKLM
Deal found 11/18$1,438

Find flights from George Bush Intcntl to Portugal within your budget

Customize your flight search to find flights from George Bush Intcntl to Portugal 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 20, 2024.

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Depart

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HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Fri 2/21

12:05 pm-9:20 am

1 stop15h 15m

Lisbon Humberto Delgado

Mon 2/24

5:00 am-9:14 pm

2 stops22h 14m

$591

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 2/8

4:10 pm-5:30 pm

1 stop19h 20m

Lisbon Humberto Delgado

Fri 2/14

11:25 am-1:35 pm

1 stop32h 10m

$592

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 2/15

4:10 pm-3:10 pm

1 stop17h 00m

Lisbon Humberto Delgado

Sat 2/22

5:30 am-1:55 pm

1 stop14h 25m

$596

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 12/10

7:30 am-8:55 am

2 stops19h 25m

Lisbon Humberto Delgado

Tue 12/17

11:00 am-10:18 pm

1 stop17h 18m

$603

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 2/15

3:55 pm-12:10 pm

1 stop14h 15m

Lisbon Humberto Delgado

Sun 2/23

11:05 am-9:31 pm

1 stop16h 26m

$619

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 2/6

9:45 pm-9:55 pm

1 stop18h 10m

Lisbon Humberto Delgado

Mon 2/10

10:40 am-8:00 pm

1 stop15h 20m

$622

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 2/5

4:53 pm-4:05 pm

2 stops17h 12m

Lisbon Humberto Delgado

Thu 2/13

12:30 pm-11:40 pm

2 stops17h 10m

$631

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 3/31

2:35 pm-3:30 pm

1 stop18h 55m

Lisbon Humberto Delgado

Wed 4/9

10:55 am-7:10 pm

1 stop38h 15m

$664

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

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 38 results
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Best time to book a flight from George Bush Intcntl to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal 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 Portugal

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

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

Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Portugal (average of $589). Flying from Houston George Bush Intcntl Airport to Portugal in June is currently the most expensive (average of $1,182). 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 PT?

Find hourly flight availability from George Bush Intcntl to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Houston George Bush Intcntl Airport to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated November 20, 2024.
Read through reviews of airlines operating flights from Houston to Portugal, such as Air Canada, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

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

Finnair
7.7
Good
1,300 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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
3,915 reviews
Delta
8.0
Very good
8,756 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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 Portugal. 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 Houston George Bush Intcntl Airport to Portugal one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $578. However, be on the lookout for offers from Air Canada and Turkish Airlines, as they are both options that can get you from Houston George Bush Intcntl Airport to Portugal for a low price.

  • What are the most popular routes from Houston George Bush Intcntl Airport to Portugal?

    The most popular flight routes from Houston George Bush Intcntl Airport to Portugal are Houston George Bush Intcntl - Lisbon Humberto Delgado, Houston George Bush Intcntl - Porto and Houston George Bush Intcntl - Funchal Madeira.

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

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

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

    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 Portugal.

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

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

    Currently, December is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Portugal (average of $589). Flying from Houston George Bush Intcntl Airport to Portugal in June is currently the most expensive (average of $1,182). 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.

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Alternative routes for George Bush Intcntl to Portugal

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Top 9 airlines flying from George Bush Intcntl to Portugal

Discover the top 9 airlines that operate flights from George Bush Intcntl to Portugal. 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 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$549Average$1,018FlexibilityNo cancel feeOn-time70%
DeltaCheapest$572Average$1,095FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$595Average$1,196FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$596Average$1,086FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$639Average$1,071FlexibilityNo cancel feeOn-time77%
KLMCheapest$644Average$1,028FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$646Average$1,256FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$656Average$799FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$725Average$1,413FlexibilityNo cancel feeOn-time76%
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