$713 Cheap Flights from Houston to Singapore

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Find The Best Dates To Fly from George Bush Intercontinental to Changi

Amazing IAH to SIN Flight Deals

The cheapest flights to Changi found within the past 7 days were $985 round trip and $713 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for IAH to SIN

CarrierFlightDepart IAHArrive SINMon
SQ5106:50 pm07:55 am
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1 Stops

Frequently asked questions

Can I catch a flight from Houston Airport to Changi Airport right now?
For info on any current SIN travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught up.
Are there direct flights from Houston Airport to Changi Airport?
Make a note of your connecting gate, because there are no direct flights on the Houston Airport to SIN route. Lufthansa, Air Canada and Singapore Airlines are among the airlines that will fly you to Singapore with only one stopover.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Changi Airport, please visit our Customer Service Portal.
How long is the flight from Houston Airport to Changi Airport (SIN)?
The travel time between Houston and Singapore is typically about 21 hours and 54 minutes — long enough to affect anyone’s body clock. Take note of the differences in time zones and get as much shut-eye as you can on the flight to avoid that dreaded jet lag.
What is the flight distance from Houston Airport to Changi Airport (SIN)?
From Houston Airport to Changi Airport, the flight distance is 9,900 mi. So, it’ll be smart to have a good variety of entertainment options. Audio books, movies, games … You name it. If you’re adequately prepared, it won’t feel like too long before you hear the announcement for landing.
What airlines fly from IAH to SIN?
Unfortunately, you won’t find any airlines that fly direct from IAH to Changi Airport (SIN). But don’t let that get in the way of a good vacation. Use your layover time as an opportunity to stretch your legs, check out the local fare and potentially discover a new city to add to your bucket list.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Singapore Airlines, Jetstar Asia Airways or Scoot you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From George Bush Intercontinental
Traveling To Changi
Shortest Flight Time 23 hours 5 mins
Earliest Departure Time 6:50PM CST
Latest Departure Time 6:50PM CST
Lowest Flight Price $985

Route Info

Flight path for flights from George Bush Intercontinental Airport to Changi International Airport.

12,578.00 miles

Discover our best flights from Houston IAH to Singapore SIN. 

With 4 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Houston IAH to Singapore SIN at the right price  

Airfares to Singapore SIN from Houston IAH currently cost between $985 and $1,059. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Houston IAH to Singapore SIN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Houston IAH to Singapore SIN on Travelocity starting at $713. Prices and availability subject to change. Additional terms may apply. 


Get to Singapore SIN from Houston IAH quicker with direct flights. 

Get to Singapore faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SIN from IAH to take around 23 hour(s) 5 min(s).  


Find our cheapest airfares for flights from Houston IAH to Singapore SIN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SIN from IAH. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Houston IAH to Singapore SIN today 

If you’re flexible about when you travel, January is usually the cheapest month to fly from Houston IAH to Singapore SIN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Singapore SIN from Houston IAH 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SIN from IAH have this option.  


Travel with confidence when you book flights to Singapore SIN from Houston IAH with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.