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Cheap flights from George Bush Intcntl (IAH) to Portugal from $317

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAH — LIS
May 19 — May 261
From?
To?
Sun 5/19
Sun 5/26
1 adult, Economy
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How far in advance should I book a flight from Houston George Bush Intcntl Airport to Portugal?

To save on the cost of your flight from Houston George Bush Intcntl Airport to Portugal, book at least 41 days before your planned departure. Booking around this time can save you about 32% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $583 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,662.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Portugal?

February is one of the best times of the year to fly to Portugal from Houston George Bush Intcntl Airport. Prices for February average $1,167 per person but you can even find prices for as low as $462. The most expensive prices can be found in the month of May. Opting for a February flight can save you 44% on your journey compared to booking in May

When is the cheapest time to fly from Houston George Bush Intcntl Airport to Portugal (IAH - PT)?

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.

Cheap Turkish Airlines flights from George Bush Intcntl to Portugal

Explore cheap flight options specifically provided by Turkish Airlines for the route between George Bush Intcntl and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Find some of the cheapest Turkish Airlines flights traveling from Houston to Portugal. It's recommended that users confirm their flight details before booking.
Tue 10/18:55 pmIAH - LIS
1 stop36h 25mTurkish Airlines
Mon 10/710:55 amLIS - IAH
1 stop38h 15mTurkish Airlines
Deal found 5/13$778
Wed 10/29:00 pmIAH - LIS
1 stop36h 25mTurkish Airlines
Wed 10/94:25 pmLIS - IAH
1 stop32h 45mTurkish Airlines
Deal found 5/13$814
Mon 9/29:00 pmIAH - LIS
1 stop30h 55mTurkish Airlines
Tue 9/244:30 pmLIS - IAH
1 stop26h 15mTurkish Airlines
Deal found 5/13$850
Sun 5/198:55 pmIAH - LIS
1 stop31h 00mTurkish Airlines
Tue 6/1810:55 amLIS - IAH
1 stop31h 50mTurkish Airlines
Deal found 5/13$1,753

Cheap Air France flights from George Bush Intcntl to Portugal

Explore cheap flight options specifically provided by Air France for the route between George Bush Intcntl and Portugal. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Have a look at some of the cheapest available Air France flights departing from Houston and landing in Portugal. Make sure to examine the flight information before completing your reservation.
Mon 7/153:50 pmIAH - LIS
1 stop17h 00mAir France
Wed 7/246:50 pmLIS - IAH
1 stop24h 45mAir France
Deal found 5/13$961
Sat 8/107:00 amIAH - LIS
1 stop19h 00mAir France
Fri 8/166:50 pmLIS - IAH
1 stop24h 45mAir France
Deal found 5/13$1,029
Mon 5/203:50 pmIAH - LIS
1 stop20h 05mAir France
Mon 5/276:50 pmLIS - IAH
1 stop24h 45mAir France
Deal found 5/13$1,116
Mon 5/203:50 pmIAH - LIS
1 stop20h 05mAir France
Fri 6/2112:10 pmLIS - IAH
2 stops17h 49mAir France
Deal found 5/13$1,127
Sun 5/193:50 pmIAH - LIS
1 stop20h 05mAir France
Mon 6/36:50 pmLIS - IAH
1 stop24h 45mAir France
Deal found 5/13$1,136
Sun 5/193:50 pmIAH - LIS
1 stop20h 05mAir France
Sat 5/256:50 pmLIS - IAH
1 stop24h 45mAir France
Deal found 5/13$1,186
Tue 5/213:20 pmIAH - LIS
2 stops20h 35mAir France
Sun 5/266:50 pmLIS - IAH
2 stops48h 35mAir France
Deal found 5/14$1,431

Cheap George Bush Intcntl to Portugal flights in May & June 2024

Find cheap flight options from George Bush Intcntl to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Prices were last updated on May 14, 2024.
These are some of the best deals we've found on flights to Portugal in 2024 at this time. Check back regularly for other flight deals.
Mon 6/101:36 pmIAH - LIS
1 stop14h 24mMultiple Airlines
Mon 6/179:55 pmLIS - IAH
2 stops44h 51mMultiple Airlines
Deal found 5/13$927
Sun 6/167:50 amIAH - LIS
1 stop20h 20mMultiple Airlines
Wed 6/196:40 amLIS - IAH
2 stops31h 54mMultiple Airlines
Deal found 5/13$945
Wed 6/129:28 amIAH - OPO
2 stops20h 17mMultiple Airlines
Wed 6/199:00 amOPO - IAH
2 stops21h 39mMultiple Airlines
Deal found 5/13$963
Wed 6/1210:12 amIAH - FNC
3 stops45h 18mMultiple Airlines
Wed 6/198:00 amFNC - IAH
1 stop22h 39mMultiple Airlines
Deal found 5/13$971
Wed 6/121:36 pmIAH - LIS
1 stop14h 24mMultiple Airlines
Wed 6/196:40 amLIS - IAH
2 stops31h 54mMultiple Airlines
Deal found 5/13$974
Wed 6/1210:12 amIAH - LIS
2 stops27h 48mMultiple Airlines
Wed 6/196:30 amLIS - IAH
2 stops32h 04mMultiple Airlines
Deal found 5/13$982
Mon 5/208:30 amIAH - LIS
1 stop20h 00mMultiple Airlines
Sat 5/255:55 amLIS - IAH
2 stops33h 41mMultiple Airlines
Deal found 5/12$985
Mon 6/108:30 amIAH - LIS
1 stop16h 00mMultiple Airlines
Mon 6/176:40 pmLIS - IAH
3 stops33h 12mMultiple Airlines
Deal found 5/13$987
Wed 6/1210:12 amIAH - LIS
2 stops27h 48mMultiple Airlines
Wed 6/197:20 amLIS - IAH
3 stops23h 19mMultiple Airlines
Deal found 5/13$990

George Bush Intcntl to Portugal 2024 flight deals

Discover exclusive flight deals for travel between George Bush Intcntl and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
These are some of the best deals we've found on flights to Portugal in 2024 at this time. Check back regularly for other flight deals.
Wed 11/612:15 pmIAH - LIS
1 stop15h 05mAir Canada
Wed 11/135:00 amLIS - IAH
2 stops22h 58mAir Canada
Deal found 5/14$655
Wed 11/2012:15 pmIAH - LIS
1 stop15h 05mAir Canada
Tue 12/311:00 amLIS - IAH
1 stop32h 27mAir Canada
Deal found 5/14$657
Wed 11/61:35 pmIAH - LIS
1 stop12h 35mUnited Airlines
Wed 11/135:00 amLIS - IAH
1 stop19h 20mUnited Airlines
Deal found 5/13$659
Wed 11/67:15 amIAH - LIS
1 stop20h 05mAir Canada
Wed 11/1311:00 amLIS - IAH
1 stop16h 58mAir Canada
Deal found 5/14$663
Wed 10/304:55 pmIAH - LIS
1 stop23h 55mBritish Airways
Tue 11/57:25 pmLIS - IAH
1 stop24h 45mBritish Airways
Deal found 5/13$668
Wed 11/2010:00 amIAH - LIS
1 stop16h 00mDelta
Mon 12/211:25 amLIS - IAH
1 stop32h 10mDelta
Deal found 5/14$669
Wed 11/67:40 amIAH - LIS
2 stops18h 30mUnited Airlines
Wed 11/1310:15 amLIS - IAH
2 stops18h 52mUnited Airlines
Deal found 5/14$670
Sat 11/237:50 pmIAH - LIS
1 stop32h 40mUnited Airlines
Thu 12/55:00 amLIS - IAH
1 stop19h 20mUnited Airlines
Deal found 5/13$671
Sat 11/237:59 pmIAH - LIS
1 stop32h 31mUnited Airlines
Thu 12/511:00 amLIS - IAH
2 stops18h 14mUnited Airlines
Deal found 5/13$673

George Bush Intcntl to Portugal flights leaving soon

Find last-minute flight options from George Bush Intcntl to Portugal for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Users seeking a last-minute flight from Houston to Portugal should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
Mon 5/208:30 amIAH - LIS
1 stop20h 00mMultiple Airlines
Sat 5/255:55 amLIS - IAH
2 stops33h 41mMultiple Airlines
Deal found 5/12$985
Mon 5/207:30 amIAH - LIS
3 stops33h 35mMultiple Airlines
Sat 5/255:55 amLIS - IAH
2 stops33h 41mMultiple Airlines
Deal found 5/12$999
Sun 5/196:15 amIAH - LIS
2 stops34h 40mMultiple Airlines
Sat 5/258:50 amLIS - IAH
2 stops30h 46mMultiple Airlines
Deal found 5/13$1,016
Mon 5/208:30 amIAH - LIS
1 stop20h 00mMultiple Airlines
Sat 5/255:55 amLIS - IAH
3 stops34h 37mMultiple Airlines
Deal found 5/12$1,037
Mon 5/208:00 amIAH - LIS
3 stops30h 00mMultiple Airlines
Sat 5/255:55 amLIS - IAH
3 stops40h 50mMultiple Airlines
Deal found 5/12$1,054
Sun 5/196:15 amIAH - LIS
2 stops34h 40mMultiple Airlines
Sat 5/258:50 amLIS - IAH
3 stops31h 42mMultiple Airlines
Deal found 5/13$1,071
Wed 5/226:15 amIAH - LIS
2 stops34h 50mMultiple Airlines
Tue 6/186:40 pmLIS - IAH
2 stops35h 05mMultiple Airlines
Deal found 5/13$1,080
Mon 5/208:00 amIAH - LIS
3 stops33h 25mMultiple Airlines
Mon 5/2710:00 pmLIS - IAH
3 stops29h 37mMultiple Airlines
Deal found 5/13$1,087
Sun 5/199:40 amIAH - LIS
1 stop22h 15mMultiple Airlines
Sat 5/257:05 pmLIS - IAH
2 stops43h 22mMultiple Airlines
Deal found 5/13$1,092

One-way flights to Portugal from George Bush Intcntl

Search for one-way flight options from George Bush Intcntl to Portugal. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Some of the best available deals we've found on one-way flights from Houston to Portugal. Those seeking round-trip flights from Houston to Portugal should utilize the search form at the the top of the page.
Mon 8/269:36 amIAH - LIS
2 stops29h 39mMultiple Airlines
Deal found 5/13$317
Tue 9/244:01 pmIAH - OPO
1 stop25h 24mMultiple Airlines
Deal found 5/13$356
Tue 9/244:01 pmIAH - OPO
1 stop25h 24mMultiple Airlines
Deal found 5/14$357
Wed 8/71:29 pmIAH - LIS
3 stops39h 06mMultiple Airlines
Deal found 5/13$364
Tue 10/19:36 amIAH - LIS
1 stop19h 14mMultiple Airlines
Deal found 5/13$377
Tue 10/15:10 amIAH - FNC
3 stops31h 25mMultiple Airlines
Deal found 5/13$380
Mon 8/261:27 pmIAH - LIS
3 stops24h 38mMultiple Airlines
Deal found 5/13$381
Sat 8/108:00 amIAH - LIS
2 stops33h 35mMultiple Airlines
Deal found 5/13$401
Tue 10/19:36 amIAH - FNC
2 stops23h 54mMultiple Airlines
Deal found 5/13$403

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 2,632,958 searches. Data last updated May 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$655 - $790

Route

Depart

Return

Price

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 11/6

1 stop15h 05m

Lisbon Humberto Delgado

Wed 11/13

2 stops22h 58m

$655

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 11/6

1 stop12h 35m

Lisbon Humberto Delgado

Wed 11/13

1 stop19h 20m

$659

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

1 stop23h 55m

Lisbon Humberto Delgado

Tue 11/5

1 stop24h 45m

$668

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 10/1

1 stop19h 14m

Lisbon Humberto Delgado

Wed 10/9

1 stop20h 18m

$676

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

1 stop24h 00m

Lisbon Humberto Delgado

Tue 11/5

2 stops31h 34m

$700

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Wed 10/30

2 stops19h 19m

Lisbon Humberto Delgado

Tue 11/5

2 stops18h 44m

$719

Houston George Bush IntcntlPorto

IAH - OPO

IAHOPO

Houston George Bush Intcntl

Mon 10/28

1 stop12h 45m

Porto

Wed 11/6

1 stop14h 35m

$761

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 10/1

1 stop36h 25m

Lisbon Humberto Delgado

Mon 10/7

1 stop38h 15m

$778

Houston George Bush IntcntlLisbon Humberto Delgado

IAH - LIS

IAHLIS

Houston George Bush Intcntl

Tue 9/17

2 stops20h 25m

Lisbon Humberto Delgado

Fri 10/4

2 stops21h 01m

$790

Flights are sorted by cheapest first

Deals found on 5/14

No data available for this route at this time. Please check back soon.

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 May 14, 2024.
Read through reviews of airlines operating flights from Houston to Portugal, such as Turkish Airlines, Air France 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
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,706 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,569 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,993 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air France
7.6
Good
1,769 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Turkish Airlines
7.4
Good
3,709 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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.

  • Can I find flights from Houston George Bush Intcntl Airport to Portugal for under $700 on Cheapflights?

    Yes, there are multiple flights from Houston George Bush Intcntl Airport to Portugal for under $700. The cheapest flight booked recently is on Air Canada for just $655, but on average you can expect to pay $709.

  • Are there last-minute flights available from Houston George Bush Intcntl Airport to Portugal for under $1,000?

    There are currently 20+ open flights from Houston George Bush Intcntl Airport to Portugal within the next 7 days for less than $1,000.

  • 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.

  • What are the most popular airlines that fly from Houston George Bush Intcntl Airport to Portugal?

    The most popular airlines flying from Houston George Bush Intcntl Airport to Portugal are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.

  • What does IAH to LIS mean?

    This is defined as Houston George Bush Intcntl Airport (IAH) and Lisbon Humberto Delgado Airport (LIS). Codes like Lisbon Humberto Delgado Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

  • Can I find deals for flights from George Bush Intcntl to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your George Bush Intcntl to Portugal flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from George Bush Intcntl to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter George Bush Intcntl to Portugal flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from George Bush Intcntl to Portugal that allow pets onboard?

    Many airlines flying from George Bush Intcntl to Portugal offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from George Bush Intcntl to Portugal?

    Yes, you can often find last-minute deals on George Bush Intcntl to Portugal flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Houston George Bush Intcntl Airport to Portugal flight deals updated?

    The Houston George Bush Intcntl Airport to Portugal flight deals you see on this page were last updated on 5/14.

See more FAQs

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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 10 airlines flying from George Bush Intcntl to Portugal

Discover the top 10 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 2,632,958 searches. Data last updated May 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$500Average$1,070FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$523Average$1,108FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SWISSCheapest$542Average$806FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IberiaCheapest$548Average$768FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air CanadaCheapest$557Average$1,007FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$615Average$1,304FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest$664Average$1,119FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$694Average$1,016FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
LufthansaCheapest$710Average$1,456FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air FranceCheapest$741Average$1,040FlexibilityNo cancel feeOn-time77%
Search Air France flights
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Search flights from George Bush Intcntl to Portugal by cabin class

Find flights from George Bush Intcntl to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from George Bush Intcntl to Portugal?

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