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Cheap flights from Houston George Bush Intcntl Airport to Singapore from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Singapore departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston George Bush Intcntl Airport to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
ZIPAIR Logo
9:25 am - 11:10 pm
IAH
-
SIN
23h 45m1 stop
ZIPAIR Logo
12:40 am - 7:25 am
SIN
-
IAH
20h 45m1 stop
$889ZIPAIR
Tue, Jan 20 - Mon, Feb 23
ZIPAIR Logo
9:35 am - 11:10 pm
IAH
-
SIN
23h 35m1 stop
ZIPAIR Logo
12:40 am - 7:35 am
SIN
-
IAH
20h 55m1 stop
$890ZIPAIR
Sun, Jan 25 - Sat, Jan 31
Multiple Airlines Logo
9:55 am - 9:55 pm
IAH
-
SIN
46h 00m2 stops
Multiple Airlines Logo
12:40 am - 7:25 am
SIN
-
IAH
20h 45m1 stop
$896Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
IndiGo Logo
9:05 pm - 5:20 pm
IAH
-
SIN
31h 15m2 stops
IndiGo Logo
11:15 am - 7:10 pm
SIN
-
IAH
44h 55m2 stops
$921IndiGo
Tue, Apr 7 - Mon, Apr 20
ZIPAIR Logo
9:25 am - 11:10 pm
IAH
-
SIN
23h 45m1 stop
ZIPAIR Logo
12:40 am - 7:25 am
SIN
-
IAH
20h 45m1 stop
$947ZIPAIR
Tue, Jan 20 - Mon, Feb 23
ZIPAIR Logo
9:25 am - 11:10 pm
IAH
-
SIN
23h 45m1 stop
ZIPAIR Logo
12:40 am - 7:25 am
SIN
-
IAH
20h 45m1 stop
$956ZIPAIR
Thu, Jan 22 - Wed, Jan 28
Cathay Pacific Logo
6:05 am - 5:40 am
IAH
-
SIN
33h 35m2 stops
Cathay Pacific Logo
8:15 pm - 11:53 pm
SIN
-
IAH
40h 38m2 stops
$978Cathay Pacific
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
4:13 pm - 1:05 pm
IAH
-
SIN
30h 52m2 stops
Multiple Airlines Logo
7:40 am - 12:19 am
SIN
-
IAH
30h 39m2 stops
$980Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Air Canada Logo
4:32 pm - 5:15 am
IAH
-
SIN
47h 43m2 stops
Air Canada Logo
7:00 am - 1:34 pm
SIN
-
IAH
43h 34m2 stops
$991Air Canada
Wed, Apr 1 - Sat, Apr 18
Cathay Pacific Logo
6:05 am - 5:40 am
IAH
-
SIN
33h 35m2 stops
Cathay Pacific Logo
8:15 pm - 11:53 pm
SIN
-
IAH
40h 38m2 stops
$992Cathay Pacific
Thu, Mar 5 - Mon, Mar 9

ZIPAIR flights from Houston George Bush Intcntl Airport to Singapore

Our best ZIPAIR deals on Houston George Bush Intcntl Airport to Singapore flight tickets
ZIPAIR
Jan 20
IAH9:25 amHouston George Bush Intcntl
23h 45m
1 stop
SIN11:10 pmSingapore Changi
Feb 23
SIN12:40 amSingapore Changi
20h 45m
1 stop
IAH7:25 amHouston George Bush Intcntl
$889
Find similar
ZIPAIR
Jan 25
IAH9:35 amHouston George Bush Intcntl
23h 35m
1 stop
SIN11:10 pmSingapore Changi
Jan 31
SIN12:40 amSingapore Changi
20h 55m
1 stop
IAH7:35 amHouston George Bush Intcntl
$890
Find similar
ZIPAIR
Jan 20
IAH9:25 amHouston George Bush Intcntl
23h 45m
1 stop
SIN11:10 pmSingapore Changi
Feb 23
SIN12:40 amSingapore Changi
20h 45m
1 stop
IAH7:25 amHouston George Bush Intcntl
$947
Find similar

Air Canada flights from Houston George Bush Intcntl Airport to Singapore

Our best Air Canada deals on Houston George Bush Intcntl Airport to Singapore flight tickets
Air Canada
Apr 1
IAH4:32 pmHouston George Bush Intcntl
47h 43m
2 stops
SIN5:15 amSingapore Changi
Apr 18
SIN7:00 amSingapore Changi
43h 34m
2 stops
IAH1:34 pmHouston George Bush Intcntl
$991
Find similar
Air Canada
Apr 7
IAH5:25 pmHouston George Bush Intcntl
22h 50m
1 stop
SIN5:15 amSingapore Changi
Apr 28
SIN7:00 amSingapore Changi
43h 34m
2 stops
IAH1:34 pmHouston George Bush Intcntl
$998
Find similar
Air Canada
Apr 1
IAH4:32 pmHouston George Bush Intcntl
47h 43m
2 stops
SIN5:15 amSingapore Changi
Apr 18
SIN7:00 amSingapore Changi
24h 51m
1 stop
IAH6:51 pmHouston George Bush Intcntl
$1,014
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated December 27, 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

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

9:25 am-11:10 pm

1 stop23h 45m

Singapore Changi

Mon 2/23

12:40 am-7:25 am

1 stop20h 45m

$889

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 1/25

9:35 am-11:10 pm

1 stop23h 35m

Singapore Changi

Sat 1/31

12:40 am-7:35 am

1 stop20h 55m

$890

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/22

9:55 am-9:55 pm

2 stops46h 00m

Singapore Changi

Wed 1/28

12:40 am-7:25 am

1 stop20h 45m

$896

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/7

9:05 pm-5:20 pm

2 stops31h 15m

Singapore Changi

Mon 4/20

11:15 am-7:10 pm

2 stops44h 55m

$921

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

9:25 am-11:10 pm

1 stop23h 45m

Singapore Changi

Mon 2/23

12:40 am-7:25 am

1 stop20h 45m

$947

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/22

9:25 am-11:10 pm

1 stop23h 45m

Singapore Changi

Wed 1/28

12:40 am-7:25 am

1 stop20h 45m

$956

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 3/4

6:05 am-5:40 am

2 stops33h 35m

Singapore Changi

Mon 3/9

8:15 pm-11:53 pm

2 stops40h 38m

$978

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 1/23

4:13 pm-1:05 pm

2 stops30h 52m

Singapore Changi

Fri 1/30

7:40 am-12:19 am

2 stops30h 39m

$980

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/1

4:32 pm-5:15 am

2 stops47h 43m

Singapore Changi

Sat 4/18

7:00 am-1:34 pm

2 stops43h 34m

$991

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

6:05 am-5:40 am

2 stops33h 35m

Singapore Changi

Mon 3/9

8:15 pm-11:53 pm

2 stops40h 38m

$992

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Singapore?

The month of April is, on average, the cheapest month to fly to Singapore from Houston George Bush Intcntl Airport, with most prices found around $1,005. If you aren’t able to travel to Singapore during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,024.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Houston George Bush Intcntl Airport to Singapore is on a Friday when prices can be found for as low as $1,205. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,640.

What is the cheapest time of day to depart on your flight to Singapore?

At noon is the cheapest time of day to fly from Houston George Bush Intcntl Airport to Singapore when you can find flight prices for as low as $1,331. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,475 on average. Flights to Singapore from Houston George Bush Intcntl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston George Bush Intcntl to Singapore Changi flight route?

Fly from Houston George Bush Intcntl to Singapore Changi for the best Houston George Bush Intcntl - Singapore Changi flight prices

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,237 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Houston George Bush Intcntl Airport for as low as $1,070 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Singapore Changi flights?

There are 2 cabin classes available to choose from on Houston George Bush Intcntl to Singapore Changi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to Singapore flights?

You could potentially save up to 9% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Singapore flight.

How have Houston George Bush Intcntl Airport to Singapore flight prices changed over time?

As of December 2025, prices for Houston George Bush Intcntl Airport to Singapore flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Singapore (IAH to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Singapore

Fastest flight time

24h 50m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Singapore takes 24h 50m
There are no direct flights from Houston George Bush Intcntl Airport to Singapore. There are no popular flight routes from Houston George Bush Intcntl Airport to Singapore.
Search flight deals

  • How far is Houston George Bush Intcntl to Singapore Changi by plane?

    Singapore Changi is 9925.1 mi away from Houston George Bush Intcntl. Flights usually cover this in 24h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Singapore Changi Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Singapore Changi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Singapore Changi Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Singapore Changi Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Singapore Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Singapore?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Singapore?

Best airlines flying from Houston George Bush Intcntl Airport to Singapore

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Singapore with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom $828Free CancellationRating
8.1
1,421 reviews
Search Singapore Airlines flights
Air CanadaPriceFrom $852Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $876Free CancellationRating
7.3
4,115 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $973Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.4
1,299 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,156Free CancellationRating
7.4
3,692 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Singapore?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Singapore. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Singapore with flexible booking policies on momondo?

Yes. All flights to Singapore from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Singapore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Singapore.

I’m not ready to book a flight from Houston to Singapore right now. Can momondo alert me if prices change?

Price alerts on flights to Singapore from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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