Cheap Flights from Houston (IAH) to Singapore (SIN)

View AU$793 flight on Sun, 10 Aug. 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Changi Airport (SIN)

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Cheap Flights from Houston (IAH) to Singapore (SIN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 11 Sep. - Thu, 18 Sep.
IAH
Houston
SIN
Singapore
AU$1,335 Return, found 2 days ago
AU$1,335
Return
found 2 days ago
Select Delta flight, departing Thu, 11 Sep. from Houston to Singapore, returning Thu, 18 Sep., priced at AU$1,335 found 2 days ago
Air Canada
Tue, 4 Nov. - Mon, 17 Nov.
IAH
Houston
SIN
Singapore
AU$1,459 Return, found 5 hours ago
AU$1,459
Return
found 5 hours ago
Select Air Canada flight, departing Tue, 4 Nov. from Houston to Singapore, returning Mon, 17 Nov., priced at AU$1,459 found 5 hours ago
Turkish Airlines
Thu, 11 Sep. - Thu, 18 Sep.
IAH
Houston
SIN
Singapore
AU$1,597 Return, found 2 days ago
AU$1,597
Return
found 2 days ago
Select Turkish Airlines flight, departing Thu, 11 Sep. from Houston to Singapore, returning Thu, 18 Sep., priced at AU$1,597 found 2 days ago
United
Tue, 4 Nov. - Mon, 17 Nov.
IAH
Houston
SIN
Singapore
AU$1,726 Return, found 5 hours ago
AU$1,726
Return
found 5 hours ago
Select United flight, departing Tue, 4 Nov. from Houston to Singapore, returning Mon, 17 Nov., priced at AU$1,726 found 5 hours ago
Cathay Pacific
Mon, 29 Sep. - Mon, 6 Oct.
IAH
Houston
SIN
Singapore
AU$1,738 Return, found 8 hours ago
AU$1,738
Return
found 8 hours ago
Select Cathay Pacific flight, departing Mon, 29 Sep. from Houston to Singapore, returning Mon, 6 Oct., priced at AU$1,738 found 8 hours ago
EVA Airways
Thu, 11 Sep. - Thu, 18 Sep.
IAH
Houston
SIN
Singapore
AU$1,784 Return, found 2 days ago
AU$1,784
Return
found 2 days ago
Select EVA Airways flight, departing Thu, 11 Sep. from Houston to Singapore, returning Thu, 18 Sep., priced at AU$1,784 found 2 days ago
Japan Airlines
Tue, 4 Nov. - Mon, 17 Nov.
IAH
Houston
SIN
Singapore
AU$1,791 Return, found 5 hours ago
AU$1,791
Return
found 5 hours ago
Select Japan Airlines flight, departing Tue, 4 Nov. from Houston to Singapore, returning Mon, 17 Nov., priced at AU$1,791 found 5 hours ago
All Nippon Airways
Tue, 4 Nov. - Mon, 17 Nov.
IAH
Houston
SIN
Singapore
AU$1,803 Return, found 5 hours ago
AU$1,803
Return
found 5 hours ago
Select All Nippon Airways flight, departing Tue, 4 Nov. from Houston to Singapore, returning Mon, 17 Nov., priced at AU$1,803 found 5 hours ago
Delta
Sun, 14 Sep. - Sun, 21 Sep.
IAH
Houston
SIN
Singapore
AU$1,890 Return, found 5 days ago
AU$1,890
Return
found 5 days ago
Select Delta flight, departing Sun, 14 Sep. from Houston to Singapore, returning Sun, 21 Sep., priced at AU$1,890 found 5 days ago
Qatar Airways
Tue, 4 Nov. - Mon, 17 Nov.
IAH
Houston
SIN
Singapore
AU$1,981 Return, found 5 hours ago
AU$1,981
Return
found 5 hours ago
Select Qatar Airways flight, departing Tue, 4 Nov. from Houston to Singapore, returning Mon, 17 Nov., priced at AU$1,981 found 5 hours ago

Find the cheapest month to fly from Houston (IAH) to Singapore (SIN)

September is typically the cheapest month to fly

From AU$1,282 - AU$1,988 per traveller.

Graph displaying average flight prices per month

Flight from Houston to Singapore route information
Origin airport
George Bush Intercontinental
Destination airport
Changi
Return price
AU$1,334
Distance
15878 km

Your quick guide to flights from Houston to Singapore

Pick up great flights from Houston to Singapore

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Houston to Singapore. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Houston to Singapore that take around hours.

Find cheap flights from Houston to Singapore

From the great flight deals with prices currently ranging from AU$1,335 to AU$1,981, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Houston to Singapore around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Singapore is normally in September.

Reasons to book your flight from Houston to Singapore with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Houston to Singapore across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Singapore right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from George Bush Intercontinental Airport (IAH) to Changi Airport (SIN)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between IAH and Changi Airport (SIN) was AU$1,335. Fares this good don't last long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Houston Airport to Singapore Airport?
Most flights can be conveniently cancelled online, but whether you are charged a fee differs between airlines. If you do have to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Houston Airport to Changi Airport (SIN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Houston Airport to Changi Airport (SIN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from George Bush Intercontinental Airport (IAH) to Changi Airport?
The distance is around 16 000 kilometres, so fill your carry-on luggage with all you need to make the long journey comfortable. Wondering what to take on board your Houston to Singapore flight? A neck pillow, earplugs and a sleep mask are a few essentials.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to SIN?
Unfortunately, there are no airlines that fly directly between IAH and SIN. You'll have to book a flight with one or more stops.
Are Houston Airport to SIN flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up an amazing last-minute deal from George Bush Intercontinental Airport (IAH) to Singapore Airport, but it's also possible to miss out altogether! As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can rest easy knowing you're always getting the latest offers.

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