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$449+ Cheap flights from George Bush Intcntl (IAH) to Singapore (SIN)

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SIN
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Singapore Changi are usually found in October or November, booked 50 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from George Bush Intcntl to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Singapore (SIN). 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$976
(United Airlines)

One-way from

$449
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,156

Good round-trip deal

$1,350 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Singapore Changi flights.
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From Houston George Bush Intcntl to Singapore Changi
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One-way flight from Houston George Bush Intcntl to Singapore Changi
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Highest demand for flights based on searches. 7% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($57 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Singapore Changi.
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Find flight deals from George Bush Intcntl to Singapore

Cheapest flights from George Bush Intcntl to Singapore
Explore the most affordable flight options available from George Bush Intcntl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This United Airlines deal was found by Cheapflights users on 3/23. 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 4/175:00 amIAH - SIN
1 stop24h 25mUnited Airlines
Thu 4/249:00 amSIN - IAH
1 stop28h 45mUnited Airlines
Deal found 3/23$976
This FlightHub deal was found by Cheapflights users on 3/24. 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 5/119:00 pmIAH - SIN
1 stop31h 55mTurkish Airlines
Fri 5/1610:15 amSIN - IAH
1 stop45h 50mTurkish Airlines
Deal found 3/24$981
This Mytrip deal was found by Cheapflights users on 3/24. 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.
Thu 5/86:31 amIAH - SIN
3 stops35h 34mMultiple Airlines
Thu 5/159:10 amSIN - IAH
2 stops32h 45mMultiple Airlines
Deal found 3/24$1,011
This Delta deal was found by Cheapflights users on 3/24. 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 8/276:00 amIAH - SIN
2 stops34h 00mDelta
Mon 9/81:10 amSIN - IAH
2 stops32h 53mDelta
Deal found 3/24$1,034
This Air Canada deal was found by Cheapflights users on 3/24. 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.
Sun 6/110:07 amIAH - SIN
2 stops31h 58mAir Canada
Sun 6/159:10 amSIN - IAH
2 stops41h 18mAir Canada
Deal found 3/24$1,053
This oojo deal was found by Cheapflights users on 3/24. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/261:35 amIAH - SIN
1 stop21h 25mEVA Air
Tue 9/91:10 pmSIN - IAH
1 stop22h 15mEVA Air
Deal found 3/24$1,083
This Trip.com deal was found by Cheapflights users on 3/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/219:50 amIAH - SIN
1 stop24h 10mZIPAIR
Sun 4/2712:30 amSIN - IAH
1 stop20h 45mZIPAIR
Deal found 3/24$1,084
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:20 amIAH - SIN
2 stops28h 25mANA
Wed 4/3011:05 amSIN - IAH
1 stop34h 40mANA
Deal found 3/24$1,109
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:10 pmIAH - SIN
2 stops29h 45mQatar Airways
Mon 4/286:45 pmSIN - IAH
1 stop34h 05mQatar Airways
Deal found 3/25$1,120
This Malaysia Airlines deal was found by Cheapflights users on 3/25. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:10 pmIAH - SIN
2 stops27h 05mMalaysia Airlines
Mon 4/289:15 pmSIN - IAH
2 stops31h 35mMalaysia Airlines
Deal found 3/25$1,292

Cheapflights Fare Finder

Customize your flight search to find flights from George Bush Intcntl to Singapore 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 March 25, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Singapore that are best for you.

Fly from

George Bush Intcntl

Fly to

Singapore

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 4/17

5:00 am-6:25 pm

1 stop24h 25m

Singapore Changi

Thu 4/24

9:00 am-12:45 am

1 stop28h 45m

$976

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 5/11

9:00 pm-5:55 pm

1 stop31h 55m

Singapore Changi

Fri 5/16

10:15 am-7:05 pm

1 stop45h 50m

$981

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 5/8

6:31 am-7:05 am

3 stops35h 34m

Singapore Changi

Thu 5/15

9:10 am-4:55 am

2 stops32h 45m

$1,011

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/27

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Mon 9/8

1:10 am-9:03 pm

2 stops32h 53m

$1,034

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 6/1

10:07 am-7:05 am

2 stops31h 58m

Singapore Changi

Sun 6/15

9:10 am-1:28 pm

2 stops41h 18m

$1,053

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 8/26

1:35 am-12:00 pm

1 stop21h 25m

Singapore Changi

Tue 9/9

1:10 pm-10:25 pm

1 stop22h 15m

$1,083

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 4/21

9:50 am-11:00 pm

1 stop24h 10m

Singapore Changi

Sun 4/27

12:30 am-8:15 am

1 stop20h 45m

$1,084

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 4/24

7:20 am-12:45 am

2 stops28h 25m

Singapore Changi

Wed 4/30

11:05 am-8:45 am

1 stop34h 40m

$1,109

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 4/21

6:10 pm-12:55 pm

2 stops29h 45m

Singapore Changi

Mon 4/28

6:45 pm-3:50 pm

1 stop34h 05m

$1,120

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 4/21

6:10 pm-10:15 am

2 stops27h 05m

Singapore Changi

Mon 4/28

9:15 pm-3:50 pm

2 stops31h 35m

$1,292

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 22 results
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Compare providers for flights from George Bush Intcntl to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Singapore in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Singapore

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

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Singapore

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Singapore. Price data was last updated on March 21, 2025.

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $1,011). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,684). 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 SIN?

Find hourly flight availability from George Bush Intcntl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Singapore at noon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Singapore?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Singapore flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Singapore by month

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

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

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

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated March 25, 2025.
Peruse reviews from past customers who have flown with EVA Air, ANA and Singapore Airlines from Houston to Singapore 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.
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,169 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
ANA
8.3
Very good
825 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Singapore Airlines
8.1
Very good
1,284 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Emirates
8.0
Very good
3,190 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,890 reviews
EVA Air
8.4
Very good
1,169 reviews

Crew

8.6

Boarding

8.4

Comfort

8.3

Food

8.0

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

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

  • What airport do you fly into for flights to Singapore from Houston George Bush Intcntl?

    Singapore Changi (SIN), located 10.5 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Singapore. 6 airlines have flights to Changi from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Singapore Changi should not be difficult; the airport handles an average of 0 inbound flights from Houston George Bush Intcntl per day.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Singapore round-trip?

    According to our current data, United Airlines ($976), Turkish Airlines ($981), and Delta ($1,034) offers the cheapest pricing from Houston George Bush Intcntl Airport to Singapore. United Airlines is priced at 21% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $449 on United Airlines. Other airlines that offer cheap prices include Delta from $533 and Air Canada from $538 one-way.

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Singapore?

    While on average a flight from Houston George Bush Intcntl Airport to Singapore is generally $1,470, our data shows the cheapest flight currently is $1,301. When looking at the most popular route, (Houston George Bush Intcntl - Singapore Changi), you can expect to pay $901 for that flight.

  • Where are the most common layover locations when flying from Houston George Bush Intcntl Airport to Singapore?

    Of the flights from Houston George Bush Intcntl Airport to Singapore that have layovers, most of them stop in San Francisco. Houston George Bush Intcntl Airport to Singapore flights stop in Taipei City the next most.

  • What are some popular things to do or see while on a layover in San Francisco?

    Most San Francisco visitors opt to spend their time experiencing Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium. Fisherman's Wharf, Union Square, and Bill Graham Civic Auditorium can be visited by traveling about 13.0 mi, 11.6 mi, and 11.1 mi respectively from San Francisco. Those landing in San Francisco looking to spend some time exploring during their layover can rent a car for about $52 per day.

  • What are some popular points of interest to see during a layover in Taipei City?

    Taipei 101, Shilin Night Market, and Raohe Street Night Market are currently the most popular points of interest in Taipei City at the moment. Those on a layover in Taipei City interested in visiting Taipei 101, Shilin Night Market, or Raohe Street Night Market can do so by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers can book a car rental at Taipei City Taiwan Taoyuan Intl for about $84 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Houston George Bush Intcntl Airport to Singapore flights?

    Of the flights from Houston George Bush Intcntl Airport to Singapore that have layovers, the fewest flights stop in Manchester.

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

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

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

    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 Singapore.

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

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

    Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $1,011). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,684). 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

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Alternative routes for George Bush Intcntl to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Singapore flights

Top 6 airlines flying from George Bush Intcntl to Singapore

Discover the top 6 airlines that operate flights from George Bush Intcntl to Singapore. 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$777Average$1,072FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$851Average$945FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$885Average$1,337FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$1,115Average$1,361FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$1,136Average$1,228FlexibilityNo cancel feeOn-time67%
Qatar AirwaysCheapest$1,176Average$1,326FlexibilityNo cancel feeOn-time68%
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