S$ 645 Find Cheap Flights from Houston to Singapore – Compare and Save

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Everything you should know

Cheapest return flight
S$ 1,228
Typical prices: S$ 1,401-S$ 2,053
Air Canada
Sun 11-11Sat 24-11
IAH - SIN • 2 stops
Cheapest one-way flight
S$ 645
Typical prices: S$ 727-S$ 1,022
Etihad Airways
Thu 11-1
IAH - SIN • 2 stops
Direct flights
Not available
There are currently no direct flights between Houston and Singapore. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
9 weeks
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
January
Cheapest • 21% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Istanbul (IST)
Cheapest • Avg S$ 1,498 (return)
Taipei City Taiwan Taoyuan Intl (TPE)
Shortest trip • 21h 15m (one-way)
Insights
Insights
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We hope you enjoy your trip to Singapore!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Houston to Singapore

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

Recent return flight deals from Houston to Singapore

Wed, 11 Nov - Tue, 24 Nov
Air Canada Logo
16:25 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
48h 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$ 1,228Air Canada
Thu, 1 Oct - Tue, 6 Oct
Air Canada Logo
16:45 - 05:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
23h 30m1 stop Vancouver Intl
Air Canada Logo
07:00 - 13:23SIN  Singapore Changi-IAH Houston George Bush Intcntl
43h 23m2 stops Vancouver Intl Edmonton
S$ 1,239Air Canada
Mon, 16 Nov - Thu, 3 Dec
Air Canada Logo
20:31 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
44h 29m2 stops Denver Intl Vancouver Intl
Air Canada Logo
08:40 - 13:21SIN  Singapore Changi-IAH Houston George Bush Intcntl
42h 41m2 stops Vancouver Intl Edmonton
S$ 1,244Air Canada
Tue, 29 Sep - Thu, 15 Oct
Air Canada Logo
16:45 - 05:15IAH  Houston George Bush Intcntl-SIN Singapore Changi
23h 30m1 stop Vancouver Intl
Air Canada Logo
07:00 - 15:37SIN  Singapore Changi-IAH Houston George Bush Intcntl
21h 37m1 stop Vancouver Intl
S$ 1,256Air Canada
Mon, 16 Nov - Thu, 3 Dec
Air Canada Logo
20:31 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
44h 29m2 stops Denver Intl Vancouver Intl
Air Canada Logo
08:40 - 14:38SIN  Singapore Changi-IAH Houston George Bush Intcntl
19h 58m1 stop Vancouver Intl
S$ 1,275Air Canada
Wed, 11 Nov - Sat, 5 Dec
Air Canada Logo
16:25 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
48h 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$ 1,276Air Canada
Sun, 8 Nov - Tue, 1 Dec
Air Canada Logo
18:10 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
22h 50m1 stop Vancouver Intl
Air Canada Logo
08:40 - 13:21SIN  Singapore Changi-IAH Houston George Bush Intcntl
42h 41m2 stops Vancouver Intl Edmonton
S$ 1,288Air Canada
Tue, 10 Nov - Tue, 1 Dec
Air Canada Logo
16:25 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
48h 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$ 1,299Air Canada
Wed, 11 Nov - Fri, 4 Dec
Air Canada Logo
18:10 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
22h 50m1 stop Vancouver Intl
Air Canada Logo
08:40 - 14:38SIN  Singapore Changi-IAH Houston George Bush Intcntl
19h 58m1 stop Vancouver Intl
S$ 1,304Air Canada
Wed, 11 Nov - Sat, 5 Dec
Air Canada Logo
16:25 - 07:00IAH  Houston George Bush Intcntl-SIN Singapore Changi
48h 35m2 stops Edmonton Vancouver Intl
Air Canada Logo
08:40 - 14:38SIN  Singapore Changi-IAH Houston George Bush Intcntl
19h 58m1 stop Vancouver Intl
S$ 1,305Air Canada
Booking Insights

Price, demand, and travel trends for Houston to Singapore flights

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

How much is a return flight from Houston to Singapore?

Return flights from Houston to Singapore start at S$ 1,228. Prices are below average for this route right now, with typical return fares ranging from S$ 1,401 to S$ 2,053. The lowest price found in the past 5 days was S$ 1,228 on Air Canada.

What's the cheapest day of the week to fly from Houston to Singapore?

Sunday is the cheapest day of the week to fly from Houston to Singapore and is 14% cheaper than the average day. Thursday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Houston to Singapore?

  • January is the cheapest month to fly from Houston to Singapore at S$ 1,322 return.
  • December (S$ 2,486) and July (S$ 1,900) 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 prices from Houston to Singapore the cheapest?

Flights from Houston 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.

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Key details for Houston to Singapore flights

Low season

September

Cheapest flight

S$ 645
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly (49% more expensive on average)
Flights from Houston George Bush Intcntl Airport to Singapore

When to book flights from Houston to Singapore

Are your dates flexible? Find out the best times to travel from Houston 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 to Singapore flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Houston to Singapore?

    Flights from Houston to Singapore may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at Singapore Changi (SIN).

  • Which cabin classes can I book on flights from Houston to Singapore?

    Only Economy class is available on flights from Houston to Singapore.

  • Which airports do connecting flights from Houston to Singapore pass through?

    One-stop flights from Houston 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

    Taipei City Taiwan Taoyuan Intl (TPE) handles the largest share of one-stop connections on this route.

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

    On the Houston to Singapore route, being flexible with your departure day can save you up to 24%. Sunday is the cheapest day at S$ 1,441 return on average, while Thursday is the most expensive at S$ 1,876 – a S$ 434 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Singapore?

    Some of the most popular sights in Singapore are Sentosa, Orchard Road, and Mustafa Centre. These are among the most viewed places in Singapore on KAYAK.

  • How expensive are last-minute Houston to Singapore flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 16% above the route average of S$ 1,671. Book 9 weeks before departure for the lowest fares.

  • How long is a flight from Houston to Singapore?

    A direct flight from Houston to Singapore takes 0h 00m, covering 25,717 km.

  • Do I need a passport to fly from Houston 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 are flight prices from Houston to Singapore looking right now?

    One-way fares from Houston to Singapore are currently lower than usual. Average one-way flight prices are about S$ 675, which is 24% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from Houston 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 and Singapore?

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

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

    Singapore Changi Airport (SIN) hosts 5 major car hire companies, with daily rates starting from around S$ 74 for economy cars. Top options include:
    • Avis
    • Sixt
    • Thrifty
    • Hertz
    • Europcar

  • How much should I expect to pay for a Houston to Singapore flight?

    Return flights from Houston to Singapore range from S$ 1,401 to S$ 2,053, with an average of S$ 1,671 over the past 12 months. Anything below S$ 1,401 counts as a good deal.

Your guide to booking Houston 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 instead of Thursday. On this route, Sunday flights average S$ 1,441 – about S$ 434 less than Thursday (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 to Singapore trip for January. Fares historically average S$ 1,322 return in that month – typically S$ 1,164 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

More options for your flight from Houston to Singapore

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

Car rentals in Singapore
Hotels in Singapore