S$599 Cheap Flights from Houston to Singapore

View S$599 flight on Fri, 8 Aug,2025Opens in a new window

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Cheap Flights from Houston to Singapore (IAH-SIN)

Prices were available within the past 7 days and start at S$599 for one-way flights and S$1,131 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 28 Apr - Fri, 23 May
IAH
Houston
SIN
Singapore
S$1,131 Return, found 1 day ago
S$1,131
Return
found 1 day ago
Select United flight, departing Mon, 28 Apr from Houston to Singapore, returning Fri, 23 May, priced at S$1,131 found 1 day ago
United
Mon, 28 Apr - Fri, 23 May
IAH
Houston
SIN
Singapore
S$1,149 Return, found 1 day ago
S$1,149
Return
found 1 day ago
Select United flight, departing Mon, 28 Apr from Houston to Singapore, returning Fri, 23 May, priced at S$1,149 found 1 day ago
Japan Airlines
Sun, 14 Sep - Sun, 21 Sep
IAH
Houston
SIN
Singapore
S$1,189 Return, found 4 days ago
S$1,189
Return
found 4 days ago
Select Japan Airlines flight, departing Sun, 14 Sep from Houston to Singapore, returning Sun, 21 Sep, priced at S$1,189 found 4 days ago
Delta
Sun, 14 Sep - Sun, 21 Sep
IAH
Houston
SIN
Singapore
S$1,192 Return, found 4 days ago
S$1,192
Return
found 4 days ago
Select Delta flight, departing Sun, 14 Sep from Houston to Singapore, returning Sun, 21 Sep, priced at S$1,192 found 4 days ago
All Nippon Airways
Mon, 28 Apr - Fri, 23 May
IAH
Houston
SIN
Singapore
S$1,235 Return, found 1 day ago
S$1,235
Return
found 1 day ago
Select All Nippon Airways flight, departing Mon, 28 Apr from Houston to Singapore, returning Fri, 23 May, priced at S$1,235 found 1 day ago
All Nippon Airways
Mon, 28 Apr - Fri, 23 May
IAH
Houston
SIN
Singapore
S$1,240 Return, found 1 day ago
S$1,240
Return
found 1 day ago
Select All Nippon Airways flight, departing Mon, 28 Apr from Houston to Singapore, returning Fri, 23 May, priced at S$1,240 found 1 day ago
Turkish Airlines
Wed, 14 May - Fri, 23 May
IAH
Houston
SIN
Singapore
S$1,281 Return, found 3 days ago
S$1,281
Return
found 3 days ago
Select Turkish Airlines flight, departing Wed, 14 May from Houston to Singapore, returning Fri, 23 May, priced at S$1,281 found 3 days ago
Air Canada
Thu, 15 May - Thu, 22 May
IAH
Houston
SIN
Singapore
S$1,411 Return, found 3 days ago
S$1,411
Return
found 3 days ago
Select Air Canada flight, departing Thu, 15 May from Houston to Singapore, returning Thu, 22 May, priced at S$1,411 found 3 days ago
Qatar Airways
Sun, 23 Mar - Tue, 8 Apr
IAH
Houston
SIN
Singapore
S$1,703 Return, found 1 day ago
S$1,703
Return
found 1 day ago
Select Qatar Airways flight, departing Sun, 23 Mar from Houston to Singapore, returning Tue, 8 Apr, priced at S$1,703 found 1 day ago
EVA Airways
Mon, 7 Apr - Tue, 8 Apr
IAH
Houston
SIN
Singapore
S$1,738 Return, found 2 days ago
S$1,738
Return
found 2 days ago
Select EVA Airways flight, departing Mon, 7 Apr from Houston to Singapore, returning Tue, 8 Apr, priced at S$1,738 found 2 days ago
Houston to Singapore route information
Origin airport
George Bush Intercontinental
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Turkish Airlines, United
Return price
S$1,131
Distance
15878 km

Flights from Houston to Singapore

There are several airlines that operate frequent flights from Houston (IAH) to Singapore (SIN) including

The earliest flight leaves George Bush Intercontinental Airport at 00:05 and arrives at Changi Airport at 00:05. The last flight of the day departs Houston at 23:40 and arrives at Singapore at 23:50.

The flight distance from Houston to Singapore is about 17863 km, the shortest flight is 21 hours 15 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Singapore flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Houston Singapore flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Houston to Singapore trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Singapore flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Houston to Singapore with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$1,131. 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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