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$296+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LIS
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
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 December 21, 2024.

Round-trip from

$564
(KLM)

One-way from

$296
(United)
From Houston George Bush Intcntl to Portugal
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One-way flight from Houston George Bush Intcntl to Portugal
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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 December 21, 2024.

This United Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 12/294:55 pmIAH - LIS
1 stop11h 20mUnited Airlines
Sun 1/1211:00 amLIS - IAH
2 stops36h 04mUnited Airlines
Deal found 12/20$826
This Gotogate deal was found by Cheapflights users on 12/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:26 pmIAH - LIS
2 stops56h 54mAir Canada
Sun 1/1211:00 amLIS - IAH
2 stops41h 18mAir Canada
Deal found 12/20$839
This Mytrip deal was found by Cheapflights users on 12/20. 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.
Sun 12/299:30 amIAH - LIS
3 stops28h 25mMultiple Airlines
Sun 1/129:50 amLIS - IAH
2 stops32h 55mMultiple Airlines
Deal found 12/20$1,003
This Mytrip deal was found by Cheapflights users on 12/20. 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.
Fri 12/277:21 amIAH - OPO
2 stops25h 34mMultiple Airlines
Fri 1/106:00 amOPO - IAH
3 stops31h 42mMultiple Airlines
Deal found 12/20$1,200
This Gurufare deal was found by Cheapflights users on 12/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/274:30 pmIAH - OPO
1 stop16h 45mLufthansa
Thu 1/912:30 pmOPO - IAH
1 stop32h 10mLufthansa
Deal found 12/20$1,624
This British Airways deal was found by Cheapflights users on 12/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/243:55 pmIAH - LIS
1 stop14h 10mBritish Airways
Sat 1/410:30 amLIS - IAH
1 stop17h 13mBritish Airways
Deal found 12/20$1,768
This Delta deal was found by Cheapflights users on 12/21. 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 12/254:10 pmIAH - OPO
1 stop15h 15mDelta
Tue 1/711:15 amOPO - IAH
2 stops18h 44mDelta
Deal found 12/21$1,958
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:41 amIAH - LIS
2 stops19h 34mAmerican Airlines
Sat 1/410:30 amLIS - IAH
1 stop17h 13mAmerican Airlines
Deal found 12/20$1,999
This Virgin Atlantic deal was found by Cheapflights users on 12/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:33 amIAH - LIS
2 stops16h 27mVirgin Atlantic
Wed 1/1510:00 amLIS - IAH
2 stops19h 59mVirgin Atlantic
Deal found 12/19$2,743
This Air France deal was found by Cheapflights users on 12/19. 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.
Mon 12/304:10 pmIAH - LIS
1 stop13h 10mAir France
Wed 1/155:30 amLIS - IAH
1 stop14h 25mAir France
Deal found 12/19$2,750
This Delta deal was found by Cheapflights users on 12/19. 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.
Mon 12/3012:04 pmIAH - LIS
2 stops21h 06mDelta
Wed 1/155:30 amLIS - IAH
1 stop14h 25mDelta
Deal found 12/19$2,754
This Turkish Airlines deal was found by Cheapflights users on 12/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/209:20 pmIAH - LIS
1 stop35h 40mTurkish Airlines
Sat 1/411:35 amLIS - IAH
1 stop31h 45mTurkish Airlines
Deal found 12/20$3,515

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 2,558,603 searches. Data last updated December 21, 2024.

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HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 3/5

3:25 pm-6:30 pm

1 stop21h 05m

Lisbon Humberto Delgado

Sun 3/9

10:00 am-9:12 pm

2 stops16h 12m

$564

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 3/10

5:00 pm-3:10 pm

2 stops17h 10m

Lisbon Humberto Delgado

Mon 3/31

5:40 am-9:12 pm

2 stops21h 32m

$565

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 2/8

9:45 pm-5:55 pm

1 stop14h 10m

Lisbon Humberto Delgado

Mon 2/17

6:30 am-11:58 pm

2 stops23h 28m

$566

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 2/11

9:45 pm-9:45 pm

1 stop18h 00m

Lisbon Humberto Delgado

Mon 2/17

4:10 pm-7:44 pm

2 stops33h 34m

$571

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Mon 3/31

3:30 pm-5:55 pm

1 stop20h 25m

Lisbon Humberto Delgado

Wed 4/9

9:00 am-11:44 pm

2 stops20h 44m

$572

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 2/11

9:30 am-9:20 am

1 stop17h 50m

Lisbon Humberto Delgado

Thu 2/20

11:00 am-10:18 pm

1 stop17h 18m

$574

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Sat 2/8

9:30 am-9:20 am

2 stops41h 50m

Lisbon Humberto Delgado

Thu 2/20

5:00 am-6:49 pm

2 stops19h 49m

$576

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Thu 3/20

6:45 pm-8:00 am

2 stops56h 15m

Lisbon Humberto Delgado

Sun 3/30

6:50 pm-1:35 pm

1 stop24h 45m

$611

HoustonLisbon

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 2/5

4:30 pm-2:55 pm

1 stop16h 25m

Lisbon Humberto Delgado

Mon 2/17

5:00 am-2:40 pm

1 stop15h 40m

$621

HoustonFunchal

IAH - FNC

IAHFNC

Houston George Bush Intcntl

Sat 1/18

3:25 pm-9:35 am

1 stop36h 10m

Funchal Madeira

Sat 1/25

6:35 pm-1:35 pm

1 stop25h 00m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 43 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Portugal (average of $612). Flying from Houston George Bush Intcntl Airport to Portugal in June is currently the most expensive (average of $1,250). 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 December 21, 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 December 21, 2024.
Read through reviews of airlines operating flights from Houston to Portugal, such as KLM, Iberia and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,601 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

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
8,601 reviews
Delta
8.0
Very good
8,601 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
8,601 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

SWISS
7.6
Good
1,604 reviews
Delta
8.0
Very good
8,601 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

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
1,501 reviews
Delta
8.0
Very good
8,601 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

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
9,039 reviews
Delta
8.0
Very good
8,601 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

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 United Airlines, with whom users have recently found tickets for as low as $296. However, be on the lookout for offers from Air Canada and Air France, 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Portugal (average of $612). Flying from Houston George Bush Intcntl Airport to Portugal in June is currently the most expensive (average of $1,250). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated December 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$562Average$1,095FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$578Average$1,101FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$585Average$1,032FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$638Average$1,258FlexibilityNo cancel feeOn-time69%
KLMCheapest$644Average$1,019FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$656Average$799FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$669Average$1,071FlexibilityNo cancel feeOn-time77%
DeltaCheapest$715Average$1,092FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$725Average$1,422FlexibilityNo cancel feeOn-time76%
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