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$393+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SIN
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
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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 January 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$861
(FlightHub)

One-way from

$394
(Booking.com)

Popular in

December

Cheapest in

April

Average price

$1,038
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. 11% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 19, 2026.

This FlightHub deal was found by Cheapflights users on 1/17. 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 2/159:35 am
IAH
-
SIN
1 stop23h 35m
ZIPAIR
Sat 2/2112:40 am
SIN
-
IAH
1 stop20h 55m
ZIPAIR
Deal found 1/17$861
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/154:34 pm
IAH
-
SIN
2 stops41h 51m
Multiple Airlines
Sat 2/2112:40 am
SIN
-
IAH
1 stop20h 55m
Multiple Airlines
Deal found 1/17$964
This Booking.com deal was found by Cheapflights users on 1/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/159:05 pm
IAH
-
SIN
2 stops30h 15m
IndiGo
Sun 2/2211:15 am
SIN
-
IAH
2 stops45h 55m
IndiGo
Deal found 1/17$989
This Etihad Airways deal was found by Cheapflights users on 1/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:30 am
IAH
-
SIN
2 stops38h 10m
Multiple Airlines
Tue 4/149:00 pm
SIN
-
IAH
2 stops30h 31m
Multiple Airlines
Deal found 1/17$997
This FlightHub deal was found by Cheapflights users on 1/17. 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.
Tue 1/209:25 am
IAH
-
SIN
1 stop23h 45m
ZIPAIR
Mon 2/2312:40 am
SIN
-
IAH
1 stop20h 45m
ZIPAIR
Deal found 1/17$1,016
This United Airlines deal was found by Cheapflights users on 1/17. 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 4/268:05 pm
IAH
-
SIN
1 stop33h 30m
United Airlines
Sun 5/1011:05 am
SIN
-
IAH
1 stop34h 40m
United Airlines
Deal found 1/17$1,025
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 3/55:05 am
IAH
-
SIN
1 stop25h 10m
United Airlines
Thu 3/1210:10 am
SIN
-
IAH
1 stop27h 46m
United Airlines
Deal found 1/18$1,026
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 1/204:25 pm
IAH
-
SIN
1 stop25h 35m
United Airlines
Tue 2/2410:10 am
SIN
-
IAH
2 stops23h 50m
United Airlines
Deal found 1/18$1,030
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 7/165:05 am
IAH
-
SIN
1 stop24h 30m
United Airlines
Tue 8/1111:05 am
SIN
-
IAH
2 stops25h 11m
United Airlines
Deal found 1/18$1,035
This Kissandfly.com deal was found by Cheapflights users on 1/17. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/184:25 pm
IAH
-
SIN
1 stop37h 50m
Lufthansa
Mon 2/210:00 am
SIN
-
IAH
1 stop24h 32m
Lufthansa
Deal found 1/17$1,037
This Delta deal was found by Cheapflights users on 1/17. 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 4/274:59 pm
IAH
-
SIN
2 stops37h 56m
Delta
Wed 5/137:30 am
SIN
-
IAH
2 stops29h 27m
Delta
Deal found 1/17$1,039
This FlightHub deal was found by Cheapflights users on 1/17. 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.
Wed 3/47:42 pm
IAH
-
SIN
2 stops39h 08m
Japan Airlines
Mon 3/98:15 am
SIN
-
IAH
2 stops23h 56m
Japan Airlines
Deal found 1/17$1,040

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 January 19, 2026.
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

Fri 4/10

6:30 am-9:40 am

2 stops38h 10m

Singapore Changi

Tue 4/14

9:00 pm-2:31 pm

2 stops30h 31m

$997

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/15

9:40 pm-6:35 pm

1 stop31h 55m

Singapore Changi

Wed 4/22

11:05 am-8:45 am

1 stop34h 40m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 4/11

6:05 am-9:40 am

2 stops38h 35m

Singapore Changi

Thu 4/16

9:00 pm-8:36 pm

2 stops36h 36m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/15

6:30 am-9:40 am

2 stops38h 10m

Singapore Changi

Wed 4/22

9:00 pm-5:59 pm

2 stops33h 59m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 3/15

9:30 pm-8:15 pm

1 stop33h 45m

Singapore Changi

Wed 3/18

10:20 pm-10:55 am

1 stop25h 35m

$1,026

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 4/13

7:17 am-6:35 pm

1 stop22h 18m

Singapore Changi

Thu 4/16

8:35 pm-10:51 am

1 stop27h 16m

$1,026

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

5:05 am-8:15 pm

1 stop25h 10m

Singapore Changi

Mon 3/9

10:20 pm-5:46 am

1 stop20h 26m

$1,026

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 2/4

3:02 pm-8:00 am

2 stops26h 58m

Singapore Changi

Wed 2/25

10:20 pm-5:46 am

1 stop21h 26m

$1,026

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

5:05 am-8:15 pm

1 stop25h 10m

Singapore Changi

Thu 3/12

10:20 pm-10:55 am

1 stop25h 35m

$1,026

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 2/3

4:25 pm-8:00 am

1 stop25h 35m

Singapore Changi

Tue 3/3

10:10 am-8:50 pm

2 stops24h 40m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 17 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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 January 16, 2026.

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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $847). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,270). 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.

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 January 19, 2026.
See what other customers who have flown with EVA Air, Qatar Airways, and United Airlines 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
1,325 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
EVA Air
8.4
Very good
1,325 reviews
EVA Air
8.4
Very good
1,325 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Qatar Airways
7.4
Good
3,720 reviews
EVA Air
8.4
Very good
1,325 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
United Airlines
7.4
Good
9,177 reviews
EVA Air
8.4
Very good
1,325 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Turkish Airlines
7.3
Good
4,195 reviews
EVA Air
8.4
Very good
1,325 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.
Air Canada
7.1
Good
10,635 reviews
EVA Air
8.4
Very good
1,325 reviews

Comfort

8.3

Entertainment

8.0

Food

8.1

Crew

8.6

Boarding

8.4

Overall

8.4

Reviews

1 / 20
6.0
Good

Hannah,Jan 2026

SFO - TPE

It's alright. I wish I was assigned a seat on the isle side. I was not able to pick a seat during booking. So, I was seated in between two guys. For a 14 hours flight, it was barely bearable.

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. 5 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.

  • How long is the flight from Houston George Bush Intcntl Airport to Singapore?

    A quick flight from Houston George Bush Intcntl Airport to Singapore can take about 33h 30m. United Airlines provides one of the quickest options available for as low as $1,025. There are 9917 mi between Houston George Bush Intcntl Airport and Singapore.

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

    According to our current data, Air Canada ($852), Turkish Airlines ($876), and United Airlines ($975) offers the cheapest pricing from Houston George Bush Intcntl Airport to Singapore. Air Canada is priced at 30% 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 $454 on United Airlines. Other airlines that offer cheap prices include Air Canada from $563 and EVA Air from $654 one-way.

  • 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 $49 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, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Singapore (average of $847). Flying from Houston George Bush Intcntl Airport to Singapore in December is currently the most expensive (average of $1,270). 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 5 airlines flying from George Bush Intcntl to Singapore

Discover the top 5 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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$852Average$1,173FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$876Average$959FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$975Average$1,196FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$1,053Average$1,690FlexibilityNo cancel feeOn-time74%
Qatar AirwaysCheapest$1,290Average$2,172FlexibilityNo cancel feeOn-time68%

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