$563 Cheap Flights from Singapore (SIN) to Houston (IAH)

View $563 flight on Thu, Oct 2, 2025Opens 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 $563 for one-way flights and $954 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Nov 3 - Thu, Nov 20
SIN
Singapore
IAH
Houston
$954 Roundtrip, found 3 days ago
$954
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Nov 3 from Singapore to Houston, returning Thu, Nov 20, priced at $954 found 3 days ago
United
Tue, Jul 1 - Mon, Jul 14
SIN
Singapore
IAH
Houston
$971 Roundtrip, just found
$971
Roundtrip
just found
Select United flight, departing Tue, Jul 1 from Singapore to Houston, returning Mon, Jul 14, priced at $971 just found
Delta
Wed, Feb 11 - Tue, Feb 24
SIN
Singapore
IAH
Houston
$1,005 Roundtrip, found 5 days ago
$1,005
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Feb 11 from Singapore to Houston, returning Tue, Feb 24, priced at $1,005 found 5 days ago
EVA Airways
Fri, Aug 22 - Mon, Aug 25
SIN
Singapore
IAH
Houston
$1,108 Roundtrip, found 13 hours ago
$1,108
Roundtrip
found 13 hours ago
Select EVA Airways flight, departing Fri, Aug 22 from Singapore to Houston, returning Mon, Aug 25, priced at $1,108 found 13 hours ago
All Nippon Airways
Thu, Oct 2 - Tue, Nov 4
SIN
Singapore
IAH
Houston
$1,117 Roundtrip, found 15 hours ago
$1,117
Roundtrip
found 15 hours ago
Select All Nippon Airways flight, departing Thu, Oct 2 from Singapore to Houston, returning Tue, Nov 4, priced at $1,117 found 15 hours ago
Korean Air
Wed, Feb 11 - Tue, Feb 24
SIN
Singapore
IAH
Houston
$1,119 Roundtrip, found 5 days ago
$1,119
Roundtrip
found 5 days ago
Select Korean Air flight, departing Wed, Feb 11 from Singapore to Houston, returning Tue, Feb 24, priced at $1,119 found 5 days ago
Turkish Airlines
Wed, Feb 4 - Thu, Feb 12
SIN
Singapore
IAH
Houston
$1,210 Roundtrip, found 21 hours ago
$1,210
Roundtrip
found 21 hours ago
Select Turkish Airlines flight, departing Wed, Feb 4 from Singapore to Houston, returning Thu, Feb 12, priced at $1,210 found 21 hours ago
Asiana Airlines
Sun, Nov 2 - Sat, Nov 22
SIN
Singapore
IAH
Houston
$1,249 Roundtrip, found 13 hours ago
$1,249
Roundtrip
found 13 hours ago
Select Asiana Airlines flight, departing Sun, Nov 2 from Singapore to Houston, returning Sat, Nov 22, priced at $1,249 found 13 hours ago
Lufthansa
Thu, Oct 2 - Tue, Nov 4
SIN
Singapore
IAH
Houston
$1,260 Roundtrip, found 15 hours ago
$1,260
Roundtrip
found 15 hours ago
Select Lufthansa flight, departing Thu, Oct 2 from Singapore to Houston, returning Tue, Nov 4, priced at $1,260 found 15 hours ago
Japan Airlines
Sat, Aug 30 - Sun, Sep 14
SIN
Singapore
IAH
Houston
$1,289 Roundtrip, found 14 hours ago
$1,289
Roundtrip
found 14 hours ago
Select Japan Airlines flight, departing Sat, Aug 30 from Singapore to Houston, returning Sun, Sep 14, priced at $1,289 found 14 hours ago

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

February is typically the cheapest month to fly

From $817 - $1,144 per traveler.

Graph displaying average flight prices per month

Flights from Singapore (SIN) to Houston (IAH)
Origin airport
Changi
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, EVA Airways, Emirates, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$953
Distance
9923 mi

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 November. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $563 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.

 

Frequently asked questions

How much does a flight from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH) cost?
Discover the latest flight deals from SIN to IAH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SIN to IAH?
The cheapest flights from SIN to IAH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SIN to IAH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SIN to IAH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH)?
There are no daily direct flights from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SIN to IAH?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH)?
Choose a flight from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH) last-minute?
Holding off until just before your departure to book your flight from SIN to IAH generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a SIN to IAH flight and hotel package?
Compared with arranging hotels and flights separately, booking a SIN to IAH flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Changi Airport (SIN) to George Bush Intercontinental Airport (IAH)?
In most cases, you can cancel or reschedule your SIN to IAH flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

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*Available to One Key members.