$456 Cheap Flights from Houston (IAH) to Singapore (SIN)

View $456 flight on Wed, Feb 3, 2027Opens in a new window

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

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Cheap Flights from Houston to Singapore (IAH-SIN)

Prices were available within the past 7 days and start at $456 for one-way flights and $997 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 26 - Mon, Oct 5
IAH
Houston
SIN
Singapore
$997 Roundtrip, found 1 day ago
$997
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 26 from Houston to Singapore, returning Mon, Oct 5, priced at $997 found 1 day ago
Air Canada
Tue, Sep 8 - Tue, Sep 29
IAH
Houston
SIN
Singapore
$1,020 Roundtrip, just found
$1,020
Roundtrip
just found
Select Air Canada flight, departing Tue, Sep 8 from Houston to Singapore, returning Tue, Sep 29, priced at $1,020 just found
Etihad Airways
Wed, Sep 9 - Wed, Sep 16
IAH
Houston
SIN
Singapore
$1,052 Roundtrip, found 2 days ago
$1,052
Roundtrip
found 2 days ago
Select Etihad Airways flight, departing Wed, Sep 9 from Houston to Singapore, returning Wed, Sep 16, priced at $1,052 found 2 days ago
EVA Airways
Tue, Sep 29 - Tue, Oct 6
IAH
Houston
SIN
Singapore
$1,168 Roundtrip, found 8 hours ago
$1,168
Roundtrip
found 8 hours ago
Select EVA Airways flight, departing Tue, Sep 29 from Houston to Singapore, returning Tue, Oct 6, priced at $1,168 found 8 hours ago
Qatar Airways
Mon, Oct 12 - Mon, Oct 19
IAH
Houston
SIN
Singapore
$1,196 Roundtrip, just found
$1,196
Roundtrip
just found
Select Qatar Airways flight, departing Mon, Oct 12 from Houston to Singapore, returning Mon, Oct 19, priced at $1,196 just found
Turkish Airlines
Wed, Apr 22 - Thu, May 7
IAH
Houston
SIN
Singapore
$1,228 Roundtrip, found 4 hours ago
$1,228
Roundtrip
found 4 hours ago
Select Turkish Airlines flight, departing Wed, Apr 22 from Houston to Singapore, returning Thu, May 7, priced at $1,228 found 4 hours ago
Cathay Pacific
Thu, Aug 27 - Thu, Sep 10
IAH
Houston
SIN
Singapore
$1,377 Roundtrip, found 1 day ago
$1,377
Roundtrip
found 1 day ago
Select Cathay Pacific flight, departing Thu, Aug 27 from Houston to Singapore, returning Thu, Sep 10, priced at $1,377 found 1 day ago
Japan Airlines
Tue, Apr 28 - Mon, May 4
IAH
Houston
SIN
Singapore
$1,410 Roundtrip, found 8 hours ago
$1,410
Roundtrip
found 8 hours ago
Select Japan Airlines flight, departing Tue, Apr 28 from Houston to Singapore, returning Mon, May 4, priced at $1,410 found 8 hours ago
United
Mon, Oct 12 - Mon, Oct 19
IAH
Houston
SIN
Singapore
$1,426 Roundtrip, just found
$1,426
Roundtrip
just found
Select United flight, departing Mon, Oct 12 from Houston to Singapore, returning Mon, Oct 19, priced at $1,426 just found
Delta
Thu, Aug 27 - Mon, Sep 7
IAH
Houston
SIN
Singapore
$1,439 Roundtrip, found 1 day ago
$1,439
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 27 from Houston to Singapore, returning Mon, Sep 7, priced at $1,439 found 1 day ago

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $1,426
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $1,426

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

November is typically the cheapest month to fly

From $738 - $1,239 per traveler.

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights from $456 and cheap return flights from $997 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) with Expedia. One-way flights generally range between $637 and $7641, and roundtrip flights usually range from $1238 to $9215. 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
The cheapest month to fly from IAH to SIN is August 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
Enter IAH to SIN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
KLM is one of the cheapest airlines offering connecting flights from Houston (IAH) to Singapore (SIN) with a layover in Hartsfield-Jackson Atlanta Intl. (ATL), starting from around $1,609.41. 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi), 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
The earliest flight from George Bush Intercontinental Airport (IAH) to Changi Airport (SIN) typically departs at around 12:40 AM local time, operated by EVA Airways. This is a seasonal service active in March and October, allowing you to start your journey early and maximize your time in Singapore. 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
The most popular departure times for flights from George Bush Intercontinental (IAH) to Changi (SIN) are in the evening, from 6pm to 9pm. About 38% of passengers prefer this time window. Many major carriers, including United Airlines, Emirates and American Airlines, offer flights during this window. This timing works well because it allows you to enjoy a full day in Houston before heading to Singapore.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
A flight from IAH to SIN with a layover takes around 23 hours 20 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
Business class is available on flights from IAH to SIN. Airlines that offer business class service on this route include:

  • United Airlines
  • British Airways
  • Emirates
  • Lufthansa
  • American Airlines
  • Qatar Airways
  • Turkish Airlines
  • Air France
  • All Nippon Airways
  • Delta Air Lines

First class cabins are available on:

  • British Airways
  • Emirates
  • Lufthansa
  • Delta Air Lines

How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) 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 Singapore from George Bush Intercontinental (IAH)?
If you're planning to travel to Singapore from George Bush Intercontinental (IAH), you can fly into Changi (SIN) Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), Los Angeles Intl. (LAX), O'Hare Intl. (ORD) before reaching Singapore. 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) Singapore 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) 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
George Bush Intercontinental
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, EVA Airways, Emirates, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, SriLankan Airlines, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
$996
Distance
9923 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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