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$610 Cheap Flights from Singapore (SIN) to Houston (IAH)

View $610 flight on Fri, Oct 30, 2026Opens in a new window

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

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Cheap Flights from Singapore to Houston (SIN-IAH)

Prices were available within the past 7 days and start at $610 for one-way flights and $1,033 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Sun, Oct 4 - Fri, Oct 16
SIN
Singapore
IAH
Houston
$1,033 Roundtrip, found 18 hours ago
$1,033
Roundtrip
found 18 hours ago
Select Etihad Airways flight, departing Sun, Oct 4 from Singapore to Houston, returning Fri, Oct 16, priced at $1,033 found 18 hours ago
Air Canada
Thu, Sep 17 - Thu, Sep 24
SIN
Singapore
IAH
Houston
$1,052 Roundtrip, found 1 hour ago
$1,052
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Thu, Sep 17 from Singapore to Houston, returning Thu, Sep 24, priced at $1,052 found 1 hour ago
Etihad Airways
Thu, Oct 22 - Sat, Oct 31
SIN
Singapore
IAH
Houston
$1,149 Roundtrip, found 1 day ago
$1,149
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Thu, Oct 22 from Singapore to Houston, returning Sat, Oct 31, priced at $1,149 found 1 day ago
United
Sun, Aug 30 - Mon, Aug 31
SIN
Singapore
IAH
Houston
$1,200 Roundtrip, found 1 day ago
$1,200
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 30 from Singapore to Houston, returning Mon, Aug 31, priced at $1,200 found 1 day ago
Alaska Airlines
Wed, Sep 2 - Wed, Sep 9
SIN
Singapore
IAH
Houston
$1,246 Roundtrip, found 1 day ago
$1,246
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Sep 2 from Singapore to Houston, returning Wed, Sep 9, priced at $1,246 found 1 day ago
EVA Airways
Thu, Sep 17 - Thu, Sep 24
SIN
Singapore
IAH
Houston
$1,259 Roundtrip, found 1 hour ago
$1,259
Roundtrip
found 1 hour ago
Select EVA Airways flight, departing Thu, Sep 17 from Singapore to Houston, returning Thu, Sep 24, priced at $1,259 found 1 hour ago
Japan Airlines
Mon, Oct 19 - Wed, Oct 28
SIN
Singapore
IAH
Houston
$1,292 Roundtrip, found 15 hours ago
$1,292
Roundtrip
found 15 hours ago
Select Japan Airlines flight, departing Mon, Oct 19 from Singapore to Houston, returning Wed, Oct 28, priced at $1,292 found 15 hours ago
All Nippon Airways
Thu, Feb 18 - Fri, Feb 19
SIN
Singapore
IAH
Houston
$1,351 Roundtrip, found 16 hours ago
$1,351
Roundtrip
found 16 hours ago
Select All Nippon Airways flight, departing Thu, Feb 18 from Singapore to Houston, returning Fri, Feb 19, priced at $1,351 found 16 hours ago
American Airlines
Fri, Oct 16 - Tue, Oct 27
SIN
Singapore
IAH
Houston
$1,370 Roundtrip, found 1 day ago
$1,370
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 16 from Singapore to Houston, returning Tue, Oct 27, priced at $1,370 found 1 day ago
Emirates
Thu, Sep 17 - Thu, Sep 24
SIN
Singapore
IAH
Houston
$1,424 Roundtrip, found 1 hour ago
$1,424
Roundtrip
found 1 hour ago
Select Emirates flight, departing Thu, Sep 17 from Singapore to Houston, returning Thu, Sep 24, priced at $1,424 found 1 hour ago

What you need to know for your flight from Changi to George Bush Intercontinental

Singapore (SIN) to Houston (IAH) at a glance

Embark on an exciting journey with various airlines offering flights from Singapore (SIN) to Houston (IAH) along this international long-haul route. Explore options from full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel plans while you take in Houston's renowned attractions and neighborhoods. Check out the essential details for flights from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH) for your next flight.

  • Fastest flight duration: around 18h 45m in-flight, plus roughly 2h 45m layover with one stop
  • Route distance: roughly 9,900 miles (15,930 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $525–$1600, depending on seasonality and how far ahead you book

Flights from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH)

Based on recent traveler preferences, here’s a look at the top airlines flying from Singapore to Houston, often selected for one-stop and multi-stop journeys. Common layover points include San Francisco International Airport (SFO) with about a 2-hour and 45-minute layover, Taoyuan International Airport (TPE) with approximately a 1-hour and 30-minute layover, and Vancouver International Airport (YVR), which offers around a 3-hour and 15-minute layover. This variety allows travelers to balance price, total travel time, and cabin class for the best itinerary.

  • United: This full-service airline provides one-stop journeys, with one-way ticket prices generally between $525 and $1585. United operates about 54% of flights on this route, featuring an in-flight duration of 18 hours and 45 minutes, leading to a total travel time of approximately 21 hours and 45 minutes, including layovers.
  • EVA Airways: A full-service carrier, EVA Airways offers one-stop options, with one-way fares typically ranging from $685 to $3195. This airline represents around 18% of departures on this route, with an in-air time of 18 hours and 45 minutes and a total time of about 21 hours and 45 minutes, factoring in layovers.
  • All Nippon Airways: As a full-service airline, All Nippon Airways provides one-stop services, with one-way fares ranging from $680 to $3360. It accounts for roughly 8% of flights on this route, featuring an in-flight duration of 18 hours and 45 minutes and a total journey time of around 21 hours and 45 minutes, including layovers.
  • Japan Airlines: This full-service airline offers multi-stop travel, with one-way ticket prices typically falling between $760 and $1415. Japan Airlines covers about 6% of departures on this route, with an in-flight duration of 19 hours and 45 minutes and an overall travel time of nearly 24 hours, including layover periods.
  • Air Canada: A full-service carrier, Air Canada offers one-stop flights, with one-way fares usually between $560 and $950. This airline comprises roughly 4% of the departures on this route, featuring an in-flight time of 18 hours and 45 minutes and a total journey time of about 21 hours and 45 minutes, including layovers.

Travelers on the Singapore to Houston route can enhance their journey by upgrading to business class or premium economy service with EVA Airways, providing a more comfortable flying experience.

Alternative routes from Singapore (SIN) to Houston (IAH)

  • Singapore to Houston (SIN-HOU): Located approximately 23 miles from George Bush Intercontinental Airport (IAH), William P. Hobby Airport (HOU) serves as a key entry point to Houston.
  • Singapore to Houston (XSP-HOU): Seletar Airport (XSP) is about 10 miles from Changi Airport (SIN), while William P. Hobby Airport (HOU) lies roughly 23 miles away from George Bush Intercontinental Airport (IAH).

How to find the best prices for flights from Singapore (SIN) to Houston (IAH)

Getting some of the best deals on flights from Singapore to Houston is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, which coincides with when most travelers make their reservations. Morning departures between 5 AM and 12 PM tend to be less expensive and are also the most popular flight times. Additionally, flying on Thursday generally offers lower prices, while Tuesday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at George Bush Intercontinental Airport from Changi Airport

Houston welcomes travelers from Singapore with a range of transport options based on price, convenience, and proximity. Here's how to reach Houston efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Houston, with private rides that can be arranged in advance.
  • Car rental: Renting a car from George Bush Intercontinental Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at George Bush Intercontinental Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From George Bush Intercontinental Airport, Terminal C Station, a metro station, is conveniently located about 0.3 miles away on foot, providing easy access to public transportation.

Frequently asked questions

How much does a flight from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find cheap one-way flights from $610 and cheap return flights from $1,033 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) with Expedia. One-way flights generally range between $643 and $6597, and roundtrip flights usually range from $1100 to $9093. 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
The cheapest month to fly from SIN to IAH is October 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're 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)?
Japan Airlines is one of the cheapest airlines offering connecting flights from Singapore (SIN) to Houston (IAH) with a layover in Haneda (HND), starting from around $1,431. 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 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.
What is the earliest flight from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental) usually departs at around 12:05 AM, operated by Swiss International Air Lines or United. This seasonal service is available in January, giving you a great start to your travels. 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 Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Singapore (SIN) to Houston (IAH) are in the late evening, from 9pm to midnight. About 32% of passengers prefer this time window. Many major carriers, including United Airlines, British Airways, and American Airlines, offer flights during this window. This timing works well because it allows you to enjoy a full day in Singapore before heading to the airport.
How long does it take to fly from Singapore (SIN-Changi) to Houston, TX (IAH-George Bush Intercontinental)?
Flying from SIN to IAH with a connection usually takes about 21 hours 30 minutes, traveling roughly 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)?
Business class is available on flights from SIN to IAH. Airlines that offer business class service on this route include:

  • Korean Air
  • Singapore Airlines
  • British Airways
  • Malaysia Airlines
  • Batik Air
  • Air Canada
  • Qatar Airways
  • Emirates
  • Japan Airlines
  • Lufthansa

First class cabins are available on:

  • Singapore Airlines
  • Emirates
  • British Airways
  • Swiss International Air Lines
  • Japan Airlines
  • Lufthansa

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 George Bush Intercontinental (IAH) and William P. Hobby (HOU). Some flights may connect through major hubs like Narita Intl. (NRT), Incheon Intl. (ICN), 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) Houston 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 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, Finnair, IndiGo, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$1,033
Distance
9923 mi

Book with confidence

Singapore to Houston Flights

The cheapest times to fly from Singapore to Houston

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 Singapore to Houston are during the month of October. You can find some of the cheapest flights from Singapore to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Singapore to Houston

Sunday is one of the best days to book for cheap flights from Singapore to Houston: 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 Singapore to Houston

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 Singapore to Houston in 2026. You can also book with separate airlines for your outbound and return journeys, from $610 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 Singapore to Houston 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 Singapore to Houston 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.

 

Singapore to Houston Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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