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Cheap flights from Houston George Bush Intcntl Airport to Singapore from $397

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 5/6. 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.
Air Canada Logo
9:30 am - 5:15 am
IAH
-
SIN
30h 45m
2 stops
Air Canada Logo
7:00 am - 4:24 pm
SIN
-
IAH
22h 24m
1 stop
$888Air Canada
Thu, Apr 16 - Thu, Apr 30
ZIPAIR Logo
10:25 am - 11:00 pm
IAH
-
SIN
23h 35m
1 stop
ZIPAIR Logo
12:30 am - 8:45 am
SIN
-
IAH
21h 15m
1 stop
$925ZIPAIR
Wed, Jun 24 - Tue, Jul 7
Air Canada Logo
9:30 am - 5:15 am
IAH
-
SIN
30h 45m
2 stops
Air Canada Logo
7:00 am - 1:24 pm
SIN
-
IAH
43h 24m
2 stops
$930Air Canada
Thu, May 14 - Thu, May 21
Air Canada Logo
4:45 pm - 5:15 am
IAH
-
SIN
23h 30m
1 stop
Air Canada Logo
7:00 am - 1:34 pm
SIN
-
IAH
43h 34m
2 stops
$934Air Canada
Thu, May 7 - Thu, May 14
Air Canada Logo
5:25 pm - 5:15 am
IAH
-
SIN
22h 50m
1 stop
Air Canada Logo
7:00 am - 3:44 pm
SIN
-
IAH
21h 44m
1 stop
$943Air Canada
Tue, Apr 14 - Tue, Jun 2
Air Canada Logo
4:45 pm - 5:15 am
IAH
-
SIN
23h 30m
1 stop
Air Canada Logo
7:00 am - 1:24 pm
SIN
-
IAH
43h 24m
2 stops
$946Air Canada
Thu, May 14 - Thu, May 21
Multiple Airlines Logo
4:35 pm - 11:45 am
IAH
-
SIN
54h 10m
2 stops
Multiple Airlines Logo
8:45 pm - 6:02 pm
SIN
-
IAH
34h 17m
1 stop
$948Multiple Airlines
Wed, Apr 22 - Tue, May 5
Multiple Airlines Logo
9:33 am - 6:40 am
IAH
-
SIN
32h 07m
2 stops
Multiple Airlines Logo
8:45 pm - 6:02 pm
SIN
-
IAH
34h 17m
1 stop
$949Multiple Airlines
Tue, Apr 21 - Tue, May 5
Turkish Airlines Logo
10:05 pm - 5:35 pm
IAH
-
SIN
30h 30m
1 stop
Turkish Airlines Logo
10:25 am - 7:10 pm
SIN
-
IAH
45h 45m
1 stop
$951Turkish Airlines
Mon, Mar 23 - Tue, Mar 31
Multiple Airlines Logo
5:25 pm - 5:15 am
IAH
-
SIN
22h 50m
1 stop
Multiple Airlines Logo
7:00 am - 3:44 pm
SIN
-
IAH
21h 44m
1 stop
$955Multiple Airlines
Tue, Apr 14 - Thu, Jun 4

Qatar Airways flights from Houston George Bush Intcntl Airport to Singapore

Our best Qatar Airways deals on Houston George Bush Intcntl Airport to Singapore flight tickets
Qatar Airways
Mar 2
IAH5:45 pmHouston George Bush Intcntl
25h 00m
1 stop
SIN8:45 amSingapore Changi
Mar 6
SIN1:40 pmSingapore Changi
39h 35m
2 stops
IAH3:15 pmHouston George Bush Intcntl
$1,222
Qatar Airways
Mar 5
IAH5:45 pmHouston George Bush Intcntl
40h 45m
2 stops
SIN12:30 amSingapore Changi
Mar 11
SIN3:15 amSingapore Changi
26h 00m
1 stop
IAH4:15 pmHouston George Bush Intcntl
$1,225
Qatar Airways
Mar 2
IAH5:45 pmHouston George Bush Intcntl
26h 35m
2 stops
SIN10:20 amSingapore Changi
Mar 7
SIN3:15 amSingapore Changi
26h 00m
1 stop
IAH3:15 pmHouston George Bush Intcntl
$1,228

EVA Air flights from Houston George Bush Intcntl Airport to Singapore

Our best EVA Air deals on Houston George Bush Intcntl Airport to Singapore flight tickets
EVA Air
Mar 5
IAH7:00 amHouston George Bush Intcntl
39h 05m
2 stops
SIN12:05 pmSingapore Changi
Mar 12
SIN1:15 pmSingapore Changi
30h 02m
2 stops
IAH6:17 amHouston George Bush Intcntl
$1,295
EVA Air
Mar 5
IAH7:00 amHouston George Bush Intcntl
39h 05m
2 stops
SIN12:05 pmSingapore Changi
Mar 12
SIN3:45 pmSingapore Changi
45h 09m
2 stops
IAH11:54 pmHouston George Bush Intcntl
$1,348
EVA Air
Mar 5
IAH7:00 amHouston George Bush Intcntl
41h 30m
2 stops
SIN2:30 pmSingapore Changi
Mar 12
SIN3:45 pmSingapore Changi
19h 15m
1 stop
IAH10:00 pmHouston George Bush Intcntl
$1,377

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 February 28, 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

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 4/16

9:30 am-5:15 am

2 stops30h 45m

Singapore Changi

Thu 4/30

7:00 am-4:24 pm

1 stop22h 24m

$888

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 6/24

10:25 am-11:00 pm

1 stop23h 35m

Singapore Changi

Tue 7/7

12:30 am-8:45 am

1 stop21h 15m

$925

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 5/14

9:30 am-5:15 am

2 stops30h 45m

Singapore Changi

Thu 5/21

7:00 am-1:24 pm

2 stops43h 24m

$930

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 5/7

4:45 pm-5:15 am

1 stop23h 30m

Singapore Changi

Thu 5/14

7:00 am-1:34 pm

2 stops43h 34m

$934

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/14

5:25 pm-5:15 am

1 stop22h 50m

Singapore Changi

Tue 6/2

7:00 am-3:44 pm

1 stop21h 44m

$943

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 5/14

4:45 pm-5:15 am

1 stop23h 30m

Singapore Changi

Thu 5/21

7:00 am-1:24 pm

2 stops43h 24m

$946

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/22

4:35 pm-11:45 am

2 stops54h 10m

Singapore Changi

Tue 5/5

8:45 pm-6:02 pm

1 stop34h 17m

$948

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/21

9:33 am-6:40 am

2 stops32h 07m

Singapore Changi

Tue 5/5

8:45 pm-6:02 pm

1 stop34h 17m

$949

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 3/23

10:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Tue 3/31

10:25 am-7:10 pm

1 stop45h 45m

$951

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/14

5:25 pm-5:15 am

1 stop22h 50m

Singapore Changi

Thu 6/4

7:00 am-3:44 pm

1 stop21h 44m

$955

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 October is also cheap. Prices for this month can be found on momondo for an average of $1,035.

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

In the afternoon 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 $1,350. Flying to Singapore in the afternoon 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 $1,233 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 $1,099 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 1% 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 February 2026, prices for Houston George Bush Intcntl Airport to Singapore flights are approximately 39% 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

23h 40m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Singapore takes 23h 40m
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 23h 40m, 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
Air CanadaPriceFrom $852Free CancellationRating
7.1
10,760 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $876Free CancellationRating
7.3
4,239 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $975Free CancellationRating
7.4
9,371 reviews
Search United Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.4
1,361 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,128Free CancellationRating
7.4
3,745 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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