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£337 Cheap Flights from Houston (IAH) to Singapore (SIN)

View £337 flight on Thu, 12 Nov 2026Opens 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 and start at £337 for one-way flights and £802 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 12 Nov - Mon, 16 Nov
IAH
Houston
SIN
Singapore
£802 Return, found 4 days ago
£802
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 12 Nov from Houston to Singapore, returning Mon, 16 Nov, priced at £802 found 4 days ago
Turkish Airlines
Mon, 7 Sept - Sun, 20 Sept
IAH
Houston
SIN
Singapore
£847 Return, found 6 days ago
£847
Return
found 6 days ago
Select Turkish Airlines flight, departing Mon, 7 Sept from Houston to Singapore, returning Sun, 20 Sept, priced at £847 found 6 days ago
Lufthansa
Sun, 6 Sept - Thu, 17 Sept
IAH
Houston
SIN
Singapore
£883 Return, found 1 day ago
£883
Return
found 1 day ago
Select Lufthansa flight, departing Sun, 6 Sept from Houston to Singapore, returning Thu, 17 Sept, priced at £883 found 1 day ago
Alaska Airlines
Thu, 12 Nov - Mon, 16 Nov
IAH
Houston
SIN
Singapore
£934 Return, found 4 days ago
£934
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 12 Nov from Houston to Singapore, returning Mon, 16 Nov, priced at £934 found 4 days ago
EVA Airways
Tue, 15 Sept - Tue, 22 Sept
IAH
Houston
SIN
Singapore
£940 Return, found 12 hours ago
£940
Return
found 12 hours ago
Select EVA Airways flight, departing Tue, 15 Sept from Houston to Singapore, returning Tue, 22 Sept, priced at £940 found 12 hours ago
United
Mon, 5 Oct - Mon, 12 Oct
IAH
Houston
SIN
Singapore
£952 Return, found 4 hours ago
£952
Return
found 4 hours ago
Select United flight, departing Mon, 5 Oct from Houston to Singapore, returning Mon, 12 Oct, priced at £952 found 4 hours ago
Korean Air
Mon, 17 Aug - Wed, 2 Sept
IAH
Houston
SIN
Singapore
£966 Return, found 1 day ago
£966
Return
found 1 day ago
Select Korean Air flight, departing Mon, 17 Aug from Houston to Singapore, returning Wed, 2 Sept, priced at £966 found 1 day ago
All Nippon Airways
Mon, 5 Oct - Mon, 12 Oct
IAH
Houston
SIN
Singapore
£984 Return, found 4 hours ago
£984
Return
found 4 hours ago
Select All Nippon Airways flight, departing Mon, 5 Oct from Houston to Singapore, returning Mon, 12 Oct, priced at £984 found 4 hours ago
Japan Airlines
Wed, 16 Sept - Mon, 21 Sept
IAH
Houston
SIN
Singapore
£987 Return, found 3 days ago
£987
Return
found 3 days ago
Select Japan Airlines flight, departing Wed, 16 Sept from Houston to Singapore, returning Mon, 21 Sept, priced at £987 found 3 days ago
Delta
Wed, 26 Aug - Sun, 30 Aug
IAH
Houston
SIN
Singapore
£998 Return, found 5 days ago
£998
Return
found 5 days ago
Select Delta flight, departing Wed, 26 Aug from Houston to Singapore, returning Sun, 30 Aug, priced at £998 found 5 days ago

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
Destination airport
Changi
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, British Airways, Cathay Pacific, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Swiss International Air Lines, Turkish Airlines
Return price
£802
Distance
15878 km

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, 20 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 £802 and range up to £998.  

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 November, 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.  

Compare flights from Houston to Singapore easily and book with confidence

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*Available to Expedia members.