IAH - SIN

S$ 538 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$ 1,059
Typical prices: S$ 1,410-S$ 2,067
Korean Air
Fri 2-2Thu 22-2
IAH - SIN • 2 stops
Cheapest one-way flight
S$ 538
Typical prices: S$ 732-S$ 1,029
Delta
Thu 11-1
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.
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When to book
in advance
Our data shows that travellers who book at least 9 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg S$ 1,508 (return)
Shortest trip • 21h 15m (one-way)
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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

Tue, 2 Feb - Mon, 22 Feb
Korean Air Logo
07:15 - 05:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
31h 45m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
01:40 - 15:00SIN  Singapore Changi-IAH Houston George Bush Intcntl
27h 20m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,059Korean Air
Mon, 19 Oct - Mon, 26 Oct
Delta Logo
06:00 - 05:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
34h 00m2 stops Minneapolis St Paul Incheon Intl
Delta Logo
22:30 - 14:45SIN  Singapore Changi-IAH Houston George Bush Intcntl
29h 15m2 stops Incheon Intl Detroit Metropolitan Wayne County
S$ 1,082Delta
Sun, 7 Mar - Mon, 22 Mar
Delta Logo
05:25 - 05:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
33h 35m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
22:30 - 23:58SIN  Singapore Changi-IAH Houston George Bush Intcntl
38h 28m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,084Delta
Tue, 19 Jan - Wed, 3 Feb
Delta Logo
06:30 - 00:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
27h 45m2 stops Minneapolis St Paul Incheon Intl
Delta Logo
10:30 - 23:58SIN  Singapore Changi-IAH Houston George Bush Intcntl
27h 28m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,085Delta
Sun, 8 Nov - Tue, 1 Dec
Korean Air Logo
08:05 - 05:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
30h 55m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
22:30 - 20:17SIN  Singapore Changi-IAH Houston George Bush Intcntl
35h 47m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,089Korean Air
Wed, 10 Mar - Thu, 25 Mar
Korean Air Logo
05:55 - 05:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
33h 05m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
01:40 - 23:58SIN  Singapore Changi-IAH Houston George Bush Intcntl
35h 18m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,092Korean Air
Sun, 24 Jan - Sun, 31 Jan
Delta Logo
11:30 - 00:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
46h 45m2 stops Detroit Metropolitan Wayne County Incheon Intl
Delta Logo
01:40 - 21:10SIN  Singapore Changi-IAH Houston George Bush Intcntl
33h 30m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,093Delta
Sat, 13 Mar - Tue, 23 Mar
Korean Air Logo
19:30 - 05:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
43h 30m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
10:30 - 23:58SIN  Singapore Changi-IAH Houston George Bush Intcntl
50h 28m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,100Korean Air
Sun, 8 Nov - Tue, 1 Dec
Korean Air Logo
08:05 - 05:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
30h 55m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
22:30 - 20:17SIN  Singapore Changi-IAH Houston George Bush Intcntl
35h 47m2 stops Incheon Intl Atlanta Hartsfield-Jackson
S$ 1,102Korean Air
Tue, 27 Oct - Tue, 3 Nov
Air Canada Logo
16:25 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
49h 35m2 stops Edmonton Vancouver Intl
Air Canada Logo
08:40 - 13:21SIN  Singapore Changi-IAH Houston George Bush Intcntl
42h 41m2 stops Vancouver Intl Edmonton
S$ 1,254Air Canada
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$ 1,410 to S$ 2,067. The lowest price found in the past 5 days was S$ 1,059 on Korean Air.

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 14% 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$ 1,331 return.
•December (S$ 2,503) and July (S$ 1,913) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 88% 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 9 weeks before departure. Booking in this window typically costs about 28% 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$ 538
Beat the crowds with an average 29% drop in traveller numbers.
The most popular month to fly with an average 161% increase in traveller numbers.
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$ 1,410 to S$ 2,067, with an average of S$ 1,682 over the past 12 months. Anything below S$ 1,410 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 16% above the S$ 1,682 route average. Book 9 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$ 568, which is 37% 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$ 75 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) – 33% of one-stop connections
    • San Francisco (SFO) – 30% of one-stop connections
    • Vancouver Intl (YVR) – 16% of one-stop connections
    • Doha Hamad Intl (DOH) – 8% 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 24% on flights from Houston George Bush Intcntl Airport to Singapore. Sunday is the cheapest departure day at S$ 1,451 return on average, while Thursday is the most expensive at S$ 1,888, a difference of S$ 437.

    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 15m, compared to 22h 30m via Vancouver Intl (YVR) and 22h 57m via Tokyo Narita (NRT).

  • 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$ 1,451, about S$ 437 less than Thursday fares (23% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 28% 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$ 1,331 return in that month – typically S$ 1,172 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