$470 Cheap Flights from Houston (HOU) to Singapore (SIN)

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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 August. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $470 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 Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) cost?

You can find cheap one-way flights from $470 and cheap return flights $980 Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) with Expedia. One-way flights usually range from $594 to $6680, and return flights typically cost between $1232 and $8739. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

April is the cheapest month to fly from Houston to Singapore, with average return fares around $975. This price is about 17% lower than the average for the year, as demand typically drops after the holiday season. Other economical months to consider are February and October.

*Averages based on flights available on Expedia in the last year.

Which airlines fly direct from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

Enter HOU to SIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

KLM is one of the cheapest airlines offering connecting flights from William P. Hobby (HOU) to Changi (SIN), with round-trip tickets starting from around $1,604.21 with a layover in Hartsfield-Jackson Atlanta Intl. (ATL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

To find a cheap flight from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best time to fly from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

For flights from Houston, TX (HOU) to Singapore (SIN), April and February are the best months to travel. With average return flight prices around $975, these months offer a good balance of cost and availability. While February is less busy, April allows you to enjoy Singapore's vibrant atmosphere as the weather warms up. This information is based on booking data from the past year.

*Prices based on flights available on Expedia in the last year.

What is the earliest flight from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

The earliest flight from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) usually departs at around 12:40 AM, operated by EVA Airways. This seasonal service is available in March, giving you a head start on your travels to Singapore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

The most popular departure times for flights from William P. Hobby Airport (HOU) to Changi Airport (SIN) are in the evening, from 6pm to 9pm. About 37% of passengers prefer this time window. Many major carriers, including American Airlines, Cathay Pacific and Emirates, offer flights during this window. This timing is popular because it allows you to arrive in Singapore the next day, ready to explore.

Can you fly business or first class from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

You can fly business class between HOU and SIN. Airlines that offer business class service on this route include:

• Qatar Airways
• EVA Airways
• Emirates
• Turkish Airlines
• British Airways
• Air France
• United Airlines
• American Airlines
• Air Canada
• Lufthansa

First class cabins are available on:

• Emirates
• British Airways
• Lufthansa

How do I earn miles on a Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) flight with Expedia?

It's easy to earn miles on a Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Singapore from William P. Hobby (HOU)?

If you're planning to travel to Singapore from William P. Hobby (HOU), you can fly into Changi (SIN) Some flights may connect through major hubs like Los Angeles Intl. (LAX), Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD) before reaching Singapore. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) at the last minute?

Typically, booking a last minute flight from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) flight and hotel package?

Securing a Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) Singapore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi)?

If you booked your Houston, TX (HOU-William P. Hobby) to Singapore (SIN-Changi) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.