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

View AU$974 flight on Thu, 14 May 2026Opens in a new window

Popular airlines from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH)

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 14 Sept - Wed, 23 Sept
SIN
Singapore
IAH
Houston
AU$1,682 Return, found 14 hours ago
AU$1,682
Return
found 14 hours ago
Select United flight, departing Mon, 14 Sept from Singapore to Houston, returning Wed, 23 Sept, priced at AU$1,682 found 14 hours ago
United
Fri, 6 Nov - Thu, 19 Nov
SIN
Singapore
IAH
Houston
AU$1,717 Return, found 2 days ago
AU$1,717
Return
found 2 days ago
Select United flight, departing Fri, 6 Nov from Singapore to Houston, returning Thu, 19 Nov, priced at AU$1,717 found 2 days ago
EVA Airways
Fri, 6 Nov - Thu, 19 Nov
SIN
Singapore
IAH
Houston
AU$1,753 Return, found 2 days ago
AU$1,753
Return
found 2 days ago
Select EVA Airways flight, departing Fri, 6 Nov from Singapore to Houston, returning Thu, 19 Nov, priced at AU$1,753 found 2 days ago
EVA Airways
Mon, 14 Sept - Wed, 23 Sept
SIN
Singapore
IAH
Houston
AU$1,759 Return, found 14 hours ago
AU$1,759
Return
found 14 hours ago
Select EVA Airways flight, departing Mon, 14 Sept from Singapore to Houston, returning Wed, 23 Sept, priced at AU$1,759 found 14 hours ago
Singapore Airlines
Fri, 6 Nov - Thu, 19 Nov
SIN
Singapore
IAH
Houston
AU$1,790 Return, found 2 days ago
AU$1,790
Return
found 2 days ago
Select Singapore Airlines flight, departing Fri, 6 Nov from Singapore to Houston, returning Thu, 19 Nov, priced at AU$1,790 found 2 days ago
Japan Airlines
Sun, 3 May - Wed, 6 May
SIN
Singapore
IAH
Houston
AU$1,888 Return, found 2 days ago
AU$1,888
Return
found 2 days ago
Select Japan Airlines flight, departing Sun, 3 May from Singapore to Houston, returning Wed, 6 May, priced at AU$1,888 found 2 days ago
All Nippon Airways
Mon, 14 Sept - Wed, 23 Sept
SIN
Singapore
IAH
Houston
AU$1,899 Return, found 14 hours ago
AU$1,899
Return
found 14 hours ago
Select All Nippon Airways flight, departing Mon, 14 Sept from Singapore to Houston, returning Wed, 23 Sept, priced at AU$1,899 found 14 hours ago
American Airlines
Sun, 3 May - Wed, 6 May
SIN
Singapore
IAH
Houston
AU$1,919 Return, found 2 days ago
AU$1,919
Return
found 2 days ago
Select American Airlines flight, departing Sun, 3 May from Singapore to Houston, returning Wed, 6 May, priced at AU$1,919 found 2 days ago
Emirates
Wed, 13 May - Sat, 23 May
SIN
Singapore
IAH
Houston
AU$2,044 Return, found 5 days ago
AU$2,044
Return
found 5 days ago
Select Emirates flight, departing Wed, 13 May from Singapore to Houston, returning Sat, 23 May, priced at AU$2,044 found 5 days ago
Qatar Airways
Mon, 14 Sept - Wed, 23 Sept
SIN
Singapore
IAH
Houston
AU$2,108 Return, found 14 hours ago
AU$2,108
Return
found 14 hours ago
Select Qatar Airways flight, departing Mon, 14 Sept from Singapore to Houston, returning Wed, 23 Sept, priced at AU$2,108 found 14 hours ago

Frequently asked questions

How do I find cheap flights from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental), 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
There are approximately 71 connecting flights per day from Singapore (SIN-Changi) (SIN) to Houston, TX (IAH-George Bush Intercontinental) (IAH). Some common connection points include Incheon Intl. (ICN), Hong Kong Intl. (HKG), and Haneda (HND).
What is the earliest flight from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Singapore Changi (SIN) to Houston George Bush Intercontinental (IAH) typically departs at approximately 12:05 AM local time. This service is operated by multiple airlines, including SWISS, Air Leisure, and United Airlines. This is a seasonal service active only in January. 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
You'll typically find the most flights from Singapore (SIN-Changi) (SIN) to Houston, TX (IAH-George Bush Intercontinental) (IAH) on a Friday, with around 49 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include JAL, Emirates, and Cathay Pacific.
What are the most popular departure times for flights from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) are in the late evening, from 9pm to midnight. Around 32% of passengers reckon this time window's best. Heaps of major carriers, including United Airlines, British Airways and American Airlines, offer flights during this window. This timing works well because you can make the most of your time in Singapore before your evening flight, and you'll arrive in Houston ready to start your day.
How long does it take to fly from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
A flight from SIN to IAH with a layover takes around 21 hours 30 minutes, with the route covering approximately 9,925 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
Select the "Business class" and "First class" filters when looking for SIN to IAH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) 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 Houston from Changi (SIN)?
When traveling from Changi (SIN) to Houston, you can fly into William P. Hobby (HOU) and George Bush Intercontinental (IAH). Some flights may connect through major hubs like Narita Intl. (NRT), Haneda (HND), Incheon Intl. (ICN) before reaching Houston. 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) 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
Changi
Destination airport
George Bush Intercontinental
Return price
AU$1,682
Distance
15878 km

Book with confidence

Your quick guide to flights from Singapore to Houston

Pick up great flights from Singapore to Houston

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Singapore to Houston. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Singapore to Houston that take around hours.

Find cheap flights from Singapore to Houston

From the great flight deals with prices currently ranging from AU$1,682 to AU$2,108, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Singapore to Houston around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Houston is normally in September.

Reasons to book your flight from Singapore to Houston with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Singapore to Houston across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Singapore to Houston

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