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Cheap flights from Houston George Bush Intcntl Airport to Singapore from $448

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Singapore departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,055Multiple Airlines
Sat, Aug 15 - Sun, Aug 30
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,056Multiple Airlines
Sat, Aug 15 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,057Multiple Airlines
Sat, Aug 15 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 11:25 pm
IAH
-
SIN
47h 40m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,062Multiple Airlines
Wed, Aug 12 - Sun, Aug 30
Multiple Airlines Logo
10:45 am - 11:25 pm
IAH
-
SIN
47h 40m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,064Multiple Airlines
Wed, Aug 12 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 11:25 pm
IAH
-
SIN
47h 40m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,066Multiple Airlines
Wed, Aug 12 - Sun, Aug 30
Multiple Airlines Logo
10:45 am - 8:20 am
IAH
-
SIN
32h 35m
1 stop
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,067Multiple Airlines
Wed, Aug 12 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,068Multiple Airlines
Mon, Aug 10 - Sun, Aug 30
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 9:45 am
SIN
-
IAH
29h 30m
1 stop
$1,069Multiple Airlines
Mon, Aug 10 - Thu, Sep 3
Multiple Airlines Logo
10:45 am - 10:30 am
IAH
-
SIN
34h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 8:45 am
SIN
-
IAH
28h 30m
1 stop
$1,071Multiple Airlines
Sat, Aug 15 - Fri, Aug 28

Qatar Airways flights from Houston George Bush Intcntl Airport to Singapore

Our best Qatar Airways deals on Houston George Bush Intcntl Airport to Singapore flight tickets
Qatar Airways
Sep 24
IAH6:15 pmHouston George Bush Intcntl
32h 30m
1 stop
SIN3:45 pmSingapore Changi
Oct 2
SIN7:40 pmSingapore Changi
33h 15m
1 stop
IAH3:55 pmHouston George Bush Intcntl
$1,114
Qatar Airways
Aug 11
IAH6:15 pmHouston George Bush Intcntl
32h 30m
1 stop
SIN3:45 pmSingapore Changi
Aug 31
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAH3:55 pmHouston George Bush Intcntl
$1,128
Qatar Airways
Aug 13
IAH6:15 pmHouston George Bush Intcntl
38h 00m
1 stop
SIN9:15 pmSingapore Changi
Aug 31
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAH3:55 pmHouston George Bush Intcntl
$1,131

Turkish Airlines flights from Houston George Bush Intcntl Airport to Singapore

Our best Turkish Airlines deals on Houston George Bush Intcntl Airport to Singapore flight tickets
Turkish Airlines
Sep 10
IAH9:05 pmHouston George Bush Intcntl
31h 50m
1 stop
SIN5:55 pmSingapore Changi
Sep 24
SIN5:25 amSingapore Changi
44h 20m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$1,121
Turkish Airlines
May 10
IAH9:05 pmHouston George Bush Intcntl
46h 40m
1 stop
SIN8:45 amSingapore Changi
May 20
SIN11:10 amSingapore Changi
45h 00m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,287

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 4, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 8/15

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Sun 8/30

5:15 pm-8:45 am

1 stop28h 30m

$1,055

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 8/15

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,056

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 8/15

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,057

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-11:25 pm

2 stops47h 40m

Singapore Changi

Sun 8/30

5:15 pm-8:45 am

1 stop28h 30m

$1,062

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-11:25 pm

2 stops47h 40m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,064

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-11:25 pm

2 stops47h 40m

Singapore Changi

Sun 8/30

5:15 pm-8:45 am

1 stop28h 30m

$1,066
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-8:20 am

1 stop32h 35m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,067

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 8/10

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Sun 8/30

5:15 pm-8:45 am

1 stop28h 30m

$1,068

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 8/10

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Thu 9/3

5:15 pm-9:45 am

1 stop29h 30m

$1,069

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 8/15

10:45 am-10:30 am

2 stops34h 45m

Singapore Changi

Fri 8/28

5:15 pm-8:45 am

1 stop28h 30m

$1,071

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Singapore?

What is the cheapest month to fly to Singapore?

The month of February is, on average, the cheapest month to fly to Singapore from Houston George Bush Intcntl Airport, with most prices found around $947. If you aren’t able to travel to Singapore during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,039.

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Singapore?

You are more likely to see cheaper flights to Singapore from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Houston George Bush Intcntl Airport for as low as $1,086 on momondo.

Can stopping save me money on Houston George Bush Intcntl Airport to Singapore flights?

You could potentially save up to 3% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Singapore flight.

How have Houston George Bush Intcntl Airport to Singapore flight prices changed over time?

As of May 2026, prices for Houston George Bush Intcntl Airport to Singapore flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Singapore (IAH to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Singapore

Fastest flight time

30h 30m

Direct flights

None
The fastest flight from Houston George Bush Intcntl Airport to Singapore takes 30h 30m
There are no direct flights from Houston George Bush Intcntl Airport to Singapore. There are no popular flight routes from Houston George Bush Intcntl Airport to Singapore.
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Singapore

  • How far is Houston George Bush Intcntl to Singapore Changi by plane?

    Singapore Changi is 9925.1 mi away from Houston George Bush Intcntl. Flights usually cover this in 30h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Singapore Changi Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Singapore Changi Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Singapore Changi Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Singapore Changi Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Singapore Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston George Bush Intcntl Airport to Singapore?

Best airlines flying from Houston George Bush Intcntl Airport to Singapore

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Singapore with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $852Free CancellationRating
7.1
10,996 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $876Free CancellationRating
7.4
4,344 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,024Free CancellationRating
7.4
9,681 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,442 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.4
3,723 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Singapore?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Singapore. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Singapore with flexible booking policies on momondo?

Yes. All flights to Singapore from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Houston to Singapore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Singapore.

I’m not ready to book a flight from Houston to Singapore right now. Can momondo alert me if prices change?

Price alerts on flights to Singapore from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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