IAH - SIN

S$ 556 Find Cheap Flights from Houston George Bush Airport to Singapore – Compare and Save

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Everything you should know

Cheapest return flight
S$ 1,122
Typical prices: S$ 1,447-S$ 2,032
Delta
Fri 23-11Fri 7-12
IAH - SIN • 2 stops
Cheapest one-way flight
S$ 556
Typical prices: S$ 757-S$ 1,086
Multiple Airlines
Sat 3-3
IAH - SIN • 2 stops
Direct flights
There are currently no direct flights between Houston George Bush Intcntl Airport and Singapore. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 26 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg S$ 1,470 (return)
Shortest trip • 21h 11m (one-way)
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Insights
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We hope you enjoy your trip to Singapore!
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Flight Deals

Cheap Flights from George Bush Intcntl to Singapore (IAH-SIN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from George Bush Intcntl to Singapore

Mon, 23 Nov - Mon, 7 Dec
Delta Logo
05:35 - 00:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
28h 40m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Delta Logo
22:30 - 15:17SIN  Singapore Changi-IAH Houston George Bush Intcntl
30h 47m2 stops Incheon Intl Detroit Metropolitan Wayne County
S$ 1,122Delta
Mon, 25 Jan - Wed, 10 Feb
Delta Logo
05:15 - 00:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
29h 00m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
01:40 - 22:48SIN  Singapore Changi-IAH Houston George Bush Intcntl
35h 08m2 stops Incheon Intl Minneapolis St Paul
S$ 1,126Delta
Sun, 22 Nov - Mon, 7 Dec
Delta Logo
18:19 - 00:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
39h 56m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Delta Logo
22:30 - 18:39SIN  Singapore Changi-IAH Houston George Bush Intcntl
34h 09m2 stops Incheon Intl Detroit Metropolitan Wayne County
S$ 1,129Delta
Sun, 24 Jan - Wed, 10 Feb
Delta Logo
12:10 - 00:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
46h 05m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
01:40 - 22:48SIN  Singapore Changi-IAH Houston George Bush Intcntl
35h 08m2 stops Incheon Intl Minneapolis St Paul
S$ 1,133Delta
Sun, 22 Nov - Sun, 6 Dec
Korean Air Logo
16:27 - 00:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
41h 48m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
10:30 - 17:29SIN  Singapore Changi-IAH Houston George Bush Intcntl
44h 59m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,136Korean Air
Tue, 10 Nov - Mon, 30 Nov
Multiple Airlines Logo
09:55 - 23:10IAH  Houston George Bush Intcntl-SIN Singapore Changi
23h 15m1 stop Tokyo Narita
Multiple Airlines Logo
23:15 - 14:05SIN  Singapore Changi-IAH Houston George Bush Intcntl
28h 50m1 stop London Heathrow
S$ 1,181Multiple Airlines
Sat, 14 Nov - Sun, 22 Nov
Multiple Airlines Logo
14:55 - 10:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
29h 05m1 stop Istanbul
Multiple Airlines Logo
23:15 - 14:05SIN  Singapore Changi-IAH Houston George Bush Intcntl
28h 50m1 stop London Heathrow
S$ 1,249Multiple Airlines
Wed, 11 Nov - Fri, 4 Dec
Turkish Airlines Logo
21:00 - 08:45IAH  Houston George Bush Intcntl-SIN Singapore Changi
45h 45m1 stop Istanbul
Turkish Airlines Logo
11:40 - 19:05SIN  Singapore Changi-IAH Houston George Bush Intcntl
45h 25m1 stop Istanbul
S$ 1,265Turkish Airlines
Fri, 15 Jan - Sun, 24 Jan
Turkish Airlines Logo
21:00 - 17:40IAH  Houston George Bush Intcntl-SIN Singapore Changi
30h 40m1 stop Istanbul
Turkish Airlines Logo
10:25 - 19:05SIN  Singapore Changi-IAH Houston George Bush Intcntl
46h 40m1 stop Istanbul
S$ 1,272Turkish Airlines
Sat, 14 Nov - Thu, 19 Nov
Turkish Airlines Logo
14:55 - 08:45IAH  Houston George Bush Intcntl-SIN Singapore Changi
27h 50m1 stop Istanbul
Turkish Airlines Logo
05:10 - 19:05SIN  Singapore Changi-IAH Houston George Bush Intcntl
27h 55m1 stop Istanbul
S$ 1,279Turkish Airlines
Booking Insights

Price, demand, and travel trends for Houston George Bush Intcntl Airport to Singapore flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Houston George Bush Intcntl Airport to Singapore?

Return flights from Houston George Bush Intcntl Airport to Singapore typically range from S$ 1,447 to S$ 2,032. The lowest price found in the past 5 days was S$ 1,122 on Delta.

What's the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Singapore?

Based on deals KAYAK users found in the last 12 months, Sunday is the cheapest day of the week to fly from Houston George Bush Intcntl Airport to Singapore. It's 15% cheaper than the average day, while Thursday is the most expensive, with prices 12% higher.

What is the cheapest month to fly from Houston George Bush Intcntl Airport to Singapore?

•January is the cheapest month to fly from Houston George Bush Intcntl Airport to Singapore at S$ 1,228 return.
•December (S$ 2,142) and July (S$ 1,916) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 74% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Houston George Bush Intcntl Airport to Singapore the cheapest?

Flights from Houston George Bush Intcntl Airport to Singapore are cheapest 26 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Houston George Bush Intcntl Airport to Singapore flights

Low season

September

Cheapest flight

S$ 556
Beat the crowds with an average 48% drop in travellers.
The most popular month to fly with an average 59% increase in travellers.
One-way flight from Houston George Bush Intcntl Airport to Singapore

When to book flights from George Bush Intcntl to Singapore

Are your dates flexible? Find out the best times to travel from George Bush Intcntl to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Houston George Bush Intcntl Airport to Singapore flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from Houston George Bush Intcntl Airport to Singapore?

    Only Economy class is available on flights from Houston George Bush Intcntl Airport to Singapore.

  • How long is a flight from Houston George Bush Intcntl Airport to Singapore?

    A direct flight from Houston George Bush Intcntl Airport to Singapore takes 00m, covering 25,686 km.

  • Do I need a passport to fly from Houston George Bush Intcntl Airport to Singapore?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Houston George Bush Intcntl Airport to Singapore flight?

    Return flights from Houston George Bush Intcntl Airport to Singapore range from S$ 1,447 to S$ 2,032, with an average of S$ 1,722 over the past 12 months. Anything below S$ 1,447 counts as a good deal.

  • How expensive are last-minute Houston George Bush Intcntl Airport to Singapore flights?

    Last-minute fares on this route (booked within two weeks of departure) run 13% above the S$ 1,722 route average. Book 26 weeks before departure for the lowest fares.

  • How are flight prices from Houston George Bush Intcntl Airport to Singapore looking right now?

    One-way fares from Houston George Bush Intcntl Airport to Singapore are currently lower than usual. Average one-way flight prices are about S$ 586, which is 39% below the typical average for this route.

  • Which car hire options are available at Singapore Changi Airport (SIN)?

    Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates starting from around S$ 136 for economy cars. Top options include:

    • Avis
    • Sixt
    • Thrifty
    • Hertz
    • Europcar

  • Which airports can I use when flying from Houston George Bush Intcntl Airport to Singapore?

    Flights from Houston George Bush Intcntl Airport to Singapore usually depart from Houston George Bush Intcntl (IAH) and arrive at Singapore Changi (SIN).

  • Which airports do connecting flights from Houston George Bush Intcntl Airport to Singapore pass through?

    One-stop flights from Houston George Bush Intcntl Airport to Singapore most commonly connect through:

    • Taipei City Taiwan Taoyuan Intl (TPE) – 36% of one-stop connections
    • San Francisco (SFO) – 26% of one-stop connections
    • Vancouver Intl (YVR) – 20% of one-stop connections
    • Doha Hamad Intl (DOH) – 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Houston George Bush Intcntl Airport to Singapore?

    Yes. Flexible dates can save you up to 25% on flights from Houston George Bush Intcntl Airport to Singapore. Sunday is the cheapest departure day at S$ 1,470 return on average, while Thursday is the most expensive at S$ 1,936, a difference of S$ 466.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from Houston George Bush Intcntl Airport to Singapore?

    Flying via Taipei City Taiwan Taoyuan Intl (TPE) gives the shortest average 1-stop total travel time of 21h 11m, compared to 22h 17m via Vancouver Intl (YVR) and 23h 19m via San Francisco (SFO).

  • What is the time difference between Houston George Bush Intcntl Airport and Singapore?

    Singapore is 13 hours ahead of Houston George Bush Intcntl Airport (Singapore Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Singapore?

    Some of the most popular sights in Singapore are Sentosa, North Bridge Road, and Marina Square. These are among the most viewed places in Singapore on KAYAK.

  • Is there a chapel at IAH?

    IAH provides travelers with three interfaith chapels throughout the airport. These chapels are not associated with any particular religion, and therefore, welcome all. These chapels are quiet spaces to pray, reflect, meditate, relax, or simply escape from the commotion of the airport. These chapels can be found in Terminal C, Terminal D, and Baggage Claim.

  • Is there a USO at IAH?

    Yes. The USO at IAH is located on the Main Concourse, a floor below Gate 44. This USO is open from 6 am until 9 pm. Active-duty service members of the US military and their families can enter this lounge free of charge to enjoy beverages, snacks, relaxing seating, TV, computers, and more ways to connect, work, and relax.

  • How do I get into downtown Singapore from SIN?

    The subway is the most convenient way to get the approximately 23 miles from SIN to Singapore. Subway line Cg and Ew depart SIN about every 15min. The subway takes about 32min to get to downtown Singapore. Bus 36 leaves SIN a few times every hour and heads toward the Suntec Convention Center in downtown Singapore. This trip, however, takes approximately 1h 24min. A taxi is almost twice as fast as the subway, but it is also about three times as expensive.

  • How can I fly from IAH to SIN?

    It is unlikely that you will find a non-stop flight between IAH and SIN. However, many airlines fly from IAH to SAN with one-stop. Some of these airlines include Qatar Airways, ANA, United Airlines, American Airlines, and JetBlue. Some layover locations include Tokyo (NRT), Qatar (DOH), and San Francisco (SFO). American Airlines, ANA, Japan Airlines, and Alaska Airlines are among the carriers that fly between IAH and SIN with two stops.

Your guide to booking Houston George Bush Intcntl Airport to Singapore flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Sunday departure and avoid flying on Thursday. On this route, Sunday flights average S$ 1,470, which is about S$ 466 less than Thursday fares (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Houston George Bush Intcntl Airport to Singapore trip for January. Fares historically average S$ 1,228 return in that month – typically S$ 914 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Singapore Changi Airport.

    • Crowne Plaza Changi Airport by IHG
    • Changi Transit Hotel Terminal 1
    • The Haven by Jetquay
  • Houston's George Bush Intercontinental Airport (IAH) serves as a hub for Spirit Airlines and United Airlines. The Singapore Changi Airport (SIN) serves as a hub for Singapore Airlines, Jetstar Asia Airways, SilkAir, Scoot, and BOC Aviation.
  • At SIN, when you land, if you need to leave the airport quickly for a business meeting, for example, or if you just want to explore the airport without being weighed down by all your luggage, you can store your suitcases at the Baggage Storage facilities. There is a Baggage Storage desk in every terminal. Staff will inspect your bags when you drop them off at the storage counter.
  • At SIN, traveling mothers can take advantage of the baby care rooms. Along with plenty of room for taking care of all of baby’s needs, there is hot water as well. You'll find many baby care rooms in each terminal.
  • If you are traveling with a service animal that needs to go to the bathroom before your long flight to Singapore, you can take advantage of one of the animal relief areas in the IAH terminals.
  • If you want to spend the night before your flight to Singapore close to IAH, several hotels are nearby, comfortable, and convenient. Some of these hotels include the Ramada by Wyndham Houston Intercontinental Airport East and the more upscale Houston Airport Marriott at George Bush Intercontinental. Both hotels provide a free shuttle service to the airport every day, all day.

More options for your flight from George Bush Intcntl to Singapore

Complete your trip to Singapore with a hotel stay or car hire