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

View AU$885 flight on Thu, 3 Dec 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.

Air Canada
Thu, 22 Oct - Sun, 25 Oct
SIN
Singapore
IAH
Houston
AU$1,467 Return, found 13 hours ago
AU$1,467
Return
found 13 hours ago
Select Air Canada flight, departing Thu, 22 Oct from Singapore to Houston, returning Sun, 25 Oct, priced at AU$1,467 found 13 hours ago
Air Canada
Sat, 24 Oct - Thu, 29 Oct
SIN
Singapore
IAH
Houston
AU$1,471 Return, found 4 days ago
AU$1,471
Return
found 4 days ago
Select Air Canada flight, departing Sat, 24 Oct from Singapore to Houston, returning Thu, 29 Oct, priced at AU$1,471 found 4 days ago
Air Canada
Sat, 17 Oct - Sat, 24 Oct
SIN
Singapore
IAH
Houston
AU$1,473 Return, found 6 days ago
AU$1,473
Return
found 6 days ago
Select Air Canada flight, departing Sat, 17 Oct from Singapore to Houston, returning Sat, 24 Oct, priced at AU$1,473 found 6 days ago
United
Fri, 2 Oct - Wed, 7 Oct
SIN
Singapore
IAH
Houston
AU$1,679 Return, found 12 hours ago
AU$1,679
Return
found 12 hours ago
Select United flight, departing Fri, 2 Oct from Singapore to Houston, returning Wed, 7 Oct, priced at AU$1,679 found 12 hours ago
EVA Airways
Fri, 2 Oct - Wed, 7 Oct
SIN
Singapore
IAH
Houston
AU$1,783 Return, found 12 hours ago
AU$1,783
Return
found 12 hours ago
Select EVA Airways flight, departing Fri, 2 Oct from Singapore to Houston, returning Wed, 7 Oct, priced at AU$1,783 found 12 hours ago
Japan Airlines
Fri, 2 Oct - Wed, 7 Oct
SIN
Singapore
IAH
Houston
AU$1,804 Return, found 12 hours ago
AU$1,804
Return
found 12 hours ago
Select Japan Airlines flight, departing Fri, 2 Oct from Singapore to Houston, returning Wed, 7 Oct, priced at AU$1,804 found 12 hours ago
All Nippon Airways
Thu, 11 Feb - Thu, 18 Feb
SIN
Singapore
IAH
Houston
AU$1,898 Return, found 12 hours ago
AU$1,898
Return
found 12 hours ago
Select All Nippon Airways flight, departing Thu, 11 Feb from Singapore to Houston, returning Thu, 18 Feb, priced at AU$1,898 found 12 hours ago
American Airlines
Thu, 11 Feb - Thu, 18 Feb
SIN
Singapore
IAH
Houston
AU$1,913 Return, found 12 hours ago
AU$1,913
Return
found 12 hours ago
Select American Airlines flight, departing Thu, 11 Feb from Singapore to Houston, returning Thu, 18 Feb, priced at AU$1,913 found 12 hours ago
Delta
Thu, 11 Feb - Thu, 18 Feb
SIN
Singapore
IAH
Houston
AU$2,028 Return, found 12 hours ago
AU$2,028
Return
found 12 hours ago
Select Delta flight, departing Thu, 11 Feb from Singapore to Houston, returning Thu, 18 Feb, priced at AU$2,028 found 12 hours ago
Qatar Airways
Fri, 2 Oct - Wed, 7 Oct
SIN
Singapore
IAH
Houston
AU$2,042 Return, found 12 hours ago
AU$2,042
Return
found 12 hours ago
Select Qatar Airways flight, departing Fri, 2 Oct from Singapore to Houston, returning Wed, 7 Oct, priced at AU$2,042 found 12 hours ago

Frequently asked questions

How much does a flight from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find one-way and return flights from SIN to IAH 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 SIN to IAH ticket fares go up or down.
What is the cheapest month to fly from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
The cheapest months to fly from SIN to IAH 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
Enter SIN to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
Philippine Airlines is one of the cheapest airlines offering connecting return flights from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental), with a layover in Ninoy Aquino Intl. (MNL), starting from around AU$2225 for flights that can be booked for departure within the next year. These prices are typically for one adult in economy/coach class. 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.
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 69 connecting flights per day from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental). Some common connection points include Dubai Intl. (DXB), Incheon Intl. (ICN), and Hong Kong Intl. (HKG).
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 around 12:05 AM local time. This flight is operated by Swiss International Air Lines, Helvetic Airways, and United. This is a seasonal service, active 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)?
If you're flying from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental), you'll generally find the most flights on a Friday, with around 46 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Japan Airlines, Emirates, and Korean Air. Fridays offer notably more flight options compared to other days of the week.
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. Many major carriers, including British Airways, Lufthansa and United, offer flights during this window. Many travellers prefer this because it allows you to make the most of your day in Singapore before your 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)?
There are no nonstop flights from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental). The distance between these two cities is approximately 15,972 kilometres. Flights with one stop typically take around 22 hours and 48 minutes. If you opt for flights with two or more stops, your travel time will be a bit longer, usually around 24 hours and 48 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing, layover times, and even weather conditions.
Can you fly business or first class from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
You can fly business class or first class between SIN and IAH. Airlines that offer business class service on this route include:
  • Malaysia Airlines
  • Swiss International Air Lines
  • KLM
  • Korean Air
  • Thai Airways International
  • Singapore Airlines
  • Air France
  • Lufthansa
  • Emirates
  • Qatar Airways
  • Cathay Pacific
  • Air India
  • Turkish Airlines
  • Asiana Airlines
  • Japan Airlines
  • British Airways
  • Air Canada
  • Air Japan Company
  • All Nippon Airways
  • Qantas Airways
  • Finnair
  • EVA Airways
  • Malindo Air
First class cabins are available on:
  • Swiss International Air Lines
  • Singapore Airlines
  • Air France
  • Emirates
  • Japan Airlines
  • British Airways
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, TX (IAH) from Singapore (SIN)?
If you're planning to travel to Houston from Changi (SIN), you can fly directly into George Bush Intercontinental (IAH) which offers international flights and connections. Some flights may connect through major hubs like Narita Intl. (NRT), Incheon Intl. (ICN), or Haneda (HND) 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
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, EVA Airways, Emirates, IndiGo, Japan Airlines, KLM, Lufthansa, Qatar Airways, Turkish Airlines, United
Return price
AU$1,466
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$1,467 to AU$2,042, 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 October.

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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*Available to Expedia members.