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£372 Cheap Flights from Houston (IAH) to Singapore (SIN)

Photo by Changi Airport Group
Open Photo by Changi Airport Group

Cheap Flights from Houston to Singapore (IAH-SIN)

Prices were available within the past 7 days and start at £372 for one-way flights and £731 for return, for the period specified. Prices and availability are subject to change.

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

November is typically the cheapest month to fly

From £730 - £923 per traveller.

Book with confidence

Compare flights from Houston to Singapore easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Singapore. Operating between them flights per day, 10 airlines cover the route. And fly direct, getting you to Changi in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Changi.

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.

Grab a great deal on your flight from George Bush Intercontinental (IAH) to Changi (SIN)

The easiest way to view the best deals on flights from Houston to Singapore today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to Changi start at just £731 and range up to £916.

To find an even better deal, try

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Singapore
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper

Why you should book your Houston to Singapore flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Changi for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.

Frequently Asked Questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) cost?

You can find one-way and return flights from IAH to SIN with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when IAH to SIN ticket fares go up or down.

What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

The cheapest months to fly from IAH to SIN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

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

How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) 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 (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

There are around 96 connecting flights per day from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi). Some common connection points include Los Angeles Intl. (LAX), Dallas-Fort Worth Intl. (DFW), and Pearson Intl. (YYZ).

What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) typically departs at around 12:40 AM local time, operated by EVA Airways. This is a seasonal service active in March and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What day of the week has the most flights from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

You'll typically find the most flights from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) on a Friday, with around 78 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Fridays offer notably more flight options compared to other days of the week, making it a good day to consider for your departure.

What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

The most popular departure times for flights from George Bush Intercontinental (IAH) to Changi (SIN) are in the afternoon, from 3pm to 6pm. Many major carriers, including Air Canada, United and Lufthansa, offer flights during this window. Many travellers prefer this time as it allows for a full day of activities before heading to the airport, and you'll arrive at your destination refreshed.

How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

There are no nonstop flights from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi). For flights with one stop, you can expect the journey to take around 24 hours. If your flight has two or more stops, the total travel time will be slightly longer, typically around 24 hours 50 minutes. This route covers a significant distance of about 15,973 kilometers. Keep in mind that these are average times, and your actual travel duration can vary depending on the specific routing, layover times, and even factors like wind patterns.

Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

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

* Emirates
* Skywest Air
* KLM
* Air France
* Lufthansa
* Turkish Airlines
* Cathay Pacific
* Republic Airlines
* Qatar Airways
* British Airways
* Alaska Airlines
* Air Canada
* Delta
* United
* All Nippon Airways
* Finnair
* EVA Airways
* American Airlines
* American Eagle

First class cabins are available on Emirates and British Airways.

How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) flight with Expedia?

It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) 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 (SIN) from Houston, TX (IAH)?

If you're planning to travel to Singapore from George Bush Intercontinental (IAH), you can fly directly into Changi Airport (SIN). Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Los Angeles Intl. (LAX), or 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 (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) at the last minute?

Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) 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 (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) flight and hotel package?

Securing a Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) flight and hotel package 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 (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?

If you booked your Houston, TX (IAH-George Bush Intercontinental) 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.

Travel information

Origin airport
George Bush Intercontinental Airport
Destination airport
Changi Airport
Distance
9,923 miles away
Airlines serving
EVA Airways, Emirates, Turkish Airlines, Japan Airlines, All Nippon Airways, Qatar Airways, British Airways, Lufthansa, Korean Air, Malaysia Airlines, Cathay Pacific, Alaska Airlines, Air Canada, Swiss International Air Lines, IndiGo, United, American Airlines, KLM, Air France, Finnair, Delta, Etihad Airways, Qantas Airways, Singapore Airlines, SriLankan Airlines, Air China, JetBlue Airways
Popular airline
EVA Airways
Return price
£731
*Available to Expedia members.