$568 Cheap Flights from Houston (HOU) to Singapore (SIN)

View $568 flight on Mon, Sep 1, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Singapore Changi Airport (SIN)

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Cheap Flights from Houston to Singapore (HOU-SIN)

Prices were available within the past 7 days and start at $568 for one-way flights and $1,193 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Nov 9 - Sat, Nov 15
HOU
Houston
SIN
Singapore
$1,193 Roundtrip, found 8 hours ago
$1,193
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sun, Nov 9 from Houston to Singapore, returning Sat, Nov 15, priced at $1,193 found 8 hours ago
Qantas Airways
Thu, Aug 14 - Thu, Aug 21
HOU
Houston
SIN
Singapore
$3,174 Roundtrip, found 4 days ago
$3,174
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Thu, Aug 14 from Houston to Singapore, returning Thu, Aug 21, priced at $3,174 found 4 days ago

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

October is typically the cheapest month to fly

From $835 - $1,321 per traveler.

Graph displaying average flight prices per month

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hang Nadim BTH. Flights from $1,410
BTH
Hang Nadim
Flights from $1,410
Flights from Houston (HOU) to Singapore (SIN)
Origin airport
William P. Hobby
Destination airport
Changi
Airlines serving
American Airlines, British Airways, Delta, Japan Airlines
Roundtrip price
$1,193
Distance
9944 mi

Houston to Singapore Flights

The cheapest times to fly from Houston to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Singapore are during the month of November. You can find some of the cheapest flights from Houston to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Singapore

Sunday is one of the best days to book for cheap flights from Houston to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $568 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Changi Airport (SIN) cost?
Grab a cheap one-way flight from $568 or cheap return flight from $1,193 from William P. Hobby Airport (HOU) to Changi Airport (SIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Changi Airport (SIN)?
Flying in November may help you find better deals, as it's the cheapest month for flights between HOU and SIN. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Changi Airport (SIN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest HOU to SIN flight.
How many flights per day from William P. Hobby Airport (HOU) to Changi Airport (SIN)?
You'll need to book a flight with a layover if you're traveling from William P. Hobby Airport (HOU) to Changi Airport (SIN). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from HOU to SIN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Changi Airport (SIN)?
To avoid possible delays on the William P. Hobby Airport (HOU) to Changi Airport (SIN) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Changi Airport (SIN) last-minute?
Last-minute fares from HOU to SIN are usually more expensive. To secure the lowest rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a HOU to SIN flight and hotel package?
You'll generally save money by booking a HOU to SIN flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Changi Airport (SIN)?
You can usually reschedule or cancel your HOU to SIN flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.