$463 Cheap Flights from Houston (IAH) to Singapore (SIN)
Popular airlines from George Bush Intercontinental Airport (IAH) to Singapore Changi Airport (SIN)
EVA AirwaysEVA Airways
EmiratesEmirates
Qatar AirwaysQatar Airways
Japan AirlinesJapan Airlines
British AirwaysBritish Airways
Turkish AirlinesTurkish Airlines
LufthansaLufthansa
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Cheap Flights from Houston to Singapore (IAH-SIN)
Alternative airports near Singapore
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Houston (IAH) to Singapore (SIN)
October is typically the cheapest month to flyOctober is typically the cheapest month to fly
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Houston (IAH) to Singapore (SIN) at a glance
Traveling from Houston (IAH) to Singapore (SIN) opens up a world of possibilities, with various airlines offering routes on this long-haul journey. You can explore options from both full-service and low-cost carriers to find the best flight that fits your budget, schedule, and travel plans. As you plan your adventure to experience the iconic sights and vibrant neighborhoods of Singapore, gather all the essential details for flights departing from George Bush Intercontinental Airport (IAH) to Changi Airport (SIN).
- Fastest (typical) flight duration: around 21h 30m in-flight, plus roughly 2h 30m layover with one stop
- Route distance: roughly 9,900 miles (15,930 km)
- Flights per week: around 9 departures on average
- Typical fares (one-way): economy tickets often range from $480–$1250, depending on seasonality and how far ahead you book
Flights from George Bush Intercontinental Airport (IAH) to Changi Airport (SIN)
Based on the latest traveler bookings, here are the top airlines flying from Houston to Singapore, favored for their one-stop and multi-stop options. Common layover points include San Francisco International Airport (SFO) with a layover of about 2 hours and 30 minutes, Taoyuan International Airport (TPE) offering about 1 hour and 30 minutes, and Hamad International Airport (DOH) with a layover of approximately 3 hours. This variety allows you to customize your travel plans by balancing cost, total travel time, and cabin class to find the ideal itinerary.
- United: This full-service airline provides both one-stop and multi-stop options, with one-way ticket prices generally falling between $485 and $1160. United operates about 48% of flights on this route, featuring a typical in-flight duration of 21 hours and 30 minutes, culminating in a total travel time of around 23 hours and 30 minutes.
- EVA Airways: A comprehensive carrier that offers one-stop and multi-stop services, EVA Airways' one-way fares usually range from $560 to $3150. It represents roughly 23% of the departures along this route, with an in-flight time of 21 hours and 30 minutes and an overall journey time of about 23 hours and 30 minutes.
- Air Canada: As a full-service airline focused on one-stop routes, Air Canada typically charges between $520 and $3850 for one-way tickets. This carrier accounts for around 8% of the flights on this route, featuring an in-flight time of 21 hours and 30 minutes, leading to a total travel duration of approximately 23 hours and 30 minutes, inclusive of layover.
- Qatar Airways: Offering one-stop service, Qatar Airways is a full-service airline with one-way fares that typically range from $645 to $1240. It comprises about 5% of the departures on this route, with an in-flight duration of 21 hours and 30 minutes and a complete journey time of roughly 23 hours and 30 minutes, including layover.
- JetBlue Airways: This low-cost carrier provides one-stop options, with one-way fares generally between $680 and $1530. JetBlue accounts for around 5% of departures on this route, featuring an in-flight duration of 21 hours and 30 minutes and a total travel time of about 23 hours and 30 minutes, accounting for layover.
Travelers flying from Houston to Singapore have the option to upgrade to business class or premium economy service with EVA Airways, enhancing their travel experience on this route.
Best time to fly from Houston (IAH) to Singapore (SIN)
The most popular months for travelers flying from Houston to Singapore are February, March, and June, when peak temperatures in Singapore reach up to 82.9°F in June. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 82.2°F. For better deals, April usually offers the lowest average one-way fare around $590. Flight availability peaks in August, with approximately 11 flights per week, making it easier to find convenient departure times. April and July have the fewest flights, with approximately 7 flights per week.
- Cheapest time to fly: April usually offers good deals with average one-way fare around $590, roughly 39% cheaper than the yearly average.
- Another budget-friendly time to fly: October typically offers an average one-way fare of around $595.
- Most flight options: August has the highest number of flights from Houston to Singapore, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 79.7°F (26.5°C) | Average | 9 | $1081 |
| February | 80.2°F (26.8°C) | Moderately High | 8 | $764 |
| March | 81.3°F (27.4°C) | Moderately High | 9 | $1366 |
| April | 82.6°F (28.1°C) | Average | 7 | $590 |
| May | 83.3°F (28.5°C) | Average | 9 | $885 |
| June | 82.9°F (28.3°C) | Moderately High | 8 | $957 |
| July | 82.4°F (28.0°C) | Moderately Low | 7 | $847 |
| August | 82.2°F (27.9°C) | Average | 11 | $803 |
| September | 82.0°F (27.8°C) | Average | 9 | $1613 |
| October | 82.2°F (27.9°C) | Moderately Low | 8 | $595 |
| November | 81.3°F (27.4°C) | Moderately Low | 8 | $1080 |
| December | 80.2°F (26.8°C) | Average | 9 | $1067 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Houston (IAH) to Singapore (SIN)
How to find the best prices for flights from Houston (IAH) to Singapore (SIN)
Getting some of the best deals on flights from Houston to Singapore is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking within two weeks, although most travelers tend to book at least two months in advance. Morning departures from 5 am to 12 pm generally offer lower prices, while evening flights from 6 pm to 12 am are the most popular. Additionally, flying on Wednesday often results in cheaper tickets, even though Monday is the most common travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Singapore hotel and flight deals.
- 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.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- 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 Changi Airport from George Bush Intercontinental Airport
Singapore welcomes travelers from Houston with a range of transport options based on price, convenience, and proximity. Here's how to reach Singapore efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Singapore, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from Changi Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Changi 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 Changi Airport, F Station, a metro station, is located just 0.1 miles away on foot, providing convenient access to public transport, while Tanah Merah Ferry Terminal, a ferry terminal, is situated about 4.9 miles from the airport and typically reached by car.
Houston to Singapore Flights
The cheapest times to fly from Houston to Singapore
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 Houston to Singapore are during the month of March. You can find some of the cheapest flights from Houston to Singapore with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Houston to Singapore
Sunday is one of the best days to book for cheap flights from Houston to Singapore: 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 Houston to Singapore
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 Houston to Singapore in 2026. You can also book with separate airlines for your outbound and return journeys, from $463 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 Houston to Singapore 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 Houston to Singapore 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 Houston, TX (IAH-George Bush Intercontinental) to Singapore (SIN-Changi) cost?
You can find cheap one-way flights from $463 and cheap return flights $989 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 March 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 Airport |
|---|---|
Destination airport | Singapore Changi Airport |
Distance | 9,923 miles away |
Airlines serving | EVA Airways, Emirates, Qatar Airways, Japan Airlines, British Airways, Turkish Airlines, Lufthansa, All Nippon Airways, Cathay Pacific, Air Canada, Korean Air, United, American Airlines, KLM, Swiss International Air Lines, IndiGo, Air France, Delta, Alaska Airlines, Malaysia Airlines, Finnair, Etihad Airways, Qantas Airways, SriLankan Airlines, Air China, Singapore Airlines |
Popular airline | EVA Airways |
Roundtrip price | $989 |