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$550+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SIN
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Singapore Changi are usually found in April or September, booked 6 days in advance, depart on a Tuesday or Saturday 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 August 13, 2025.

Round-trip from

$815
(Trip.com)

One-way from

$550
(oojo)

Popular in

December

Cheapest in

April

Average price

$1,224
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. 11% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 13, 2025.

This Trip.com deal was found by Cheapflights users on 8/11. 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.
Thu 10/211:59 amIAH - SIN
2 stops44h 56mMultiple Airlines
Mon 10/139:00 amSIN - IAH
2 stops47h 42mMultiple Airlines
Deal found 8/11$815
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/117:10 amIAH - SIN
2 stops41h 40mMultiple Airlines
Thu 9/183:15 pmSIN - IAH
2 stops26h 15mMultiple Airlines
Deal found 8/12$818
This Mytrip deal was found by Cheapflights users on 8/11. 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 9/57:10 amIAH - SIN
2 stops33h 15mMultiple Airlines
Wed 9/1012:55 amSIN - IAH
2 stops34h 31mMultiple Airlines
Deal found 8/11$827
This Mytrip deal was found by Cheapflights users on 8/11. 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 9/57:10 amIAH - SIN
2 stops33h 15mMultiple Airlines
Mon 9/812:55 amSIN - IAH
2 stops34h 31mMultiple Airlines
Deal found 8/11$831
This Trip.com deal was found by Cheapflights users on 8/10. 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.
Thu 9/257:10 amIAH - SIN
2 stops28h 40mMultiple Airlines
Thu 10/21:25 pmSIN - IAH
2 stops28h 05mMultiple Airlines
Deal found 8/10$875
This Mytrip deal was found by Cheapflights users on 8/12. 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 9/28:00 amIAH - SIN
2 stops27h 50mMultiple Airlines
Tue 9/1612:45 pmSIN - IAH
2 stops28h 45mMultiple Airlines
Deal found 8/12$877
This Trip.com deal was found by Cheapflights users on 8/11. 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.
Sat 10/47:10 amIAH - SIN
2 stops27h 10mMultiple Airlines
Tue 10/712:20 amSIN - IAH
2 stops35h 06mMultiple Airlines
Deal found 8/11$908
This Air Canada deal was found by Cheapflights users on 8/11. 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.
Thu 9/44:32 pmIAH - SIN
2 stops49h 33mAir Canada
Thu 9/119:10 amSIN - IAH
2 stops41h 21mAir Canada
Deal found 8/11$910
This CrystalTravel deal was found by Cheapflights users on 8/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:00 pmIAH - SIN
1 stop31h 55mTurkish Airlines
Tue 9/1611:10 pmSIN - IAH
1 stop32h 55mTurkish Airlines
Deal found 8/11$917

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 August 13, 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 10/2

11:59 am-9:55 pm

2 stops44h 56m

Singapore Changi

Mon 10/13

9:00 am-7:42 pm

2 stops47h 42m

$815

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 9/11

7:10 am-1:50 pm

2 stops41h 40m

Singapore Changi

Thu 9/18

3:15 pm-4:30 am

2 stops26h 15m

$818

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 9/5

7:10 am-5:25 am

2 stops33h 15m

Singapore Changi

Wed 9/10

12:55 am-10:26 pm

2 stops34h 31m

$827

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 9/5

7:10 am-5:25 am

2 stops33h 15m

Singapore Changi

Mon 9/8

12:55 am-10:26 pm

2 stops34h 31m

$831

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 9/25

7:10 am-12:50 am

2 stops28h 40m

Singapore Changi

Thu 10/2

1:25 pm-4:30 am

2 stops28h 05m

$875

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 9/4

7:10 am-12:50 am

2 stops28h 40m

Singapore Changi

Wed 9/10

1:25 pm-4:30 am

2 stops28h 05m

$877

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 10/4

7:10 am-11:20 pm

2 stops27h 10m

Singapore Changi

Tue 10/7

12:20 am-10:26 pm

2 stops35h 06m

$908

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/2

7:00 am-12:55 am

2 stops27h 55m

$550

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 10/31

9:39 am-7:00 am

2 stops32h 21m

$563

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/2

5:25 pm-7:00 am

1 stop23h 35m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 13 results
1
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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 August 8, 2025.

Booking 6 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $991). 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 August 13, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Singapore at noon. Doing so could potentially save you 24% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Singapore?

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 August 13, 2025.
See what other customers who have flown with EVA Air, Singapore Airlines, and Qatar Airways from Houston George Bush Intcntl Airport to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,228 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,228 reviews
EVA Air
8.4
Very good
1,228 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Singapore Airlines
8.1
Very good
1,346 reviews
EVA Air
8.4
Very good
1,228 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Qatar Airways
7.4
Good
3,608 reviews
EVA Air
8.4
Very good
1,228 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,920 reviews
EVA Air
8.4
Very good
1,228 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Air Canada
7.1
Good
9,943 reviews
EVA Air
8.4
Very good
1,228 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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.

  • 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.

  • 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 $63 per day.

  • 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $991). 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$868Average$937FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$885Average$1,198FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$911Average$1,108FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$934Average$1,215FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$1,115Average$1,636FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,174Average$1,306FlexibilityNo cancel feeOn-time68%

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