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Cheap flights from Houston to Singapore from $446

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 to Singapore departing on 10/3. 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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Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Logo
6:25 am - 9:30 pmIAH-SIN
50h 05m2 stops
Logo
10:50 pm - 11:23 pmSIN-IAH
37h 33m2 stops
$798
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Thu, Aug 28 - Sun, Oct 5
Logo
8:00 am - 1:50 pmIAH-SIN
40h 50m2 stops
Logo
3:15 pm - 4:30 amSIN-IAH
26h 15m2 stops
$813
Find Deal
Tue, Sep 2 - Tue, Sep 16
Air Canada Logo
2:33 pm - 7:00 amIAH-SIN
50h 27m2 stops
Air Canada Logo
8:50 am - 1:24 pmSIN-IAH
42h 34m2 stops
$910Air Canada
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Sat, Nov 29 - Sat, Dec 13
Turkish Airlines Logo
9:00 pm - 5:55 pmIAH-SIN
31h 55m1 stop
Turkish Airlines Logo
11:10 pm - 7:05 pmSIN-IAH
32h 55m1 stop
$917Turkish Airlines
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Tue, Sep 9 - Tue, Sep 16
Air Canada Logo
4:32 pm - 7:05 amIAH-SIN
49h 33m2 stops
Air Canada Logo
9:10 am - 1:32 pmSIN-IAH
41h 22m1 stop
$933Air Canada
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Thu, Sep 11 - Thu, Sep 18
Turkish Airlines Logo
2:25 pm - 8:45 amIAH-SIN
29h 20m1 stop
Turkish Airlines Logo
11:10 pm - 7:05 pmSIN-IAH
32h 55m1 stop
$945Turkish Airlines
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Wed, Aug 27 - Tue, Sep 9
Japan Airlines Logo
8:58 am - 12:20 amHOU-SIN
26h 22m2 stops
Japan Airlines Logo
1:55 am - 1:56 pmSIN-HOU
25h 01m2 stops
$1,303Japan Airlines
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Tue, Oct 14 - Wed, Oct 22
Japan Airlines Logo
8:51 am - 6:10 amHOU-SIN
32h 19m2 stops
Japan Airlines Logo
1:55 am - 3:59 pmSIN-HOU
27h 04m2 stops
$1,413Japan Airlines
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Tue, Sep 2 - Sat, Sep 6
Qatar Airways Logo
6:44 pm - 3:45 pmHOU-SIN
32h 01m2 stops
Qatar Airways Logo
6:45 pm - 2:01 pmSIN-HOU
32h 16m2 stops
$1,678Qatar Airways
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Thu, Sep 4 - Wed, Sep 10
Qatar Airways Logo
2:33 pm - 3:45 pmHOU-SIN
36h 12m2 stops
Qatar Airways Logo
6:45 pm - 2:03 pmSIN-HOU
32h 18m2 stops
$1,795Qatar Airways
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Fri, Sep 12 - Fri, Sep 19

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Sep 9
IAH9:00 pmHouston George Bush Intcntl
31h 55m
1 stop
SIN5:55 pmSingapore Changi
Sep 16
SIN11:10 pmSingapore Changi
32h 55m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$917
Find similar
Turkish Airlines
Aug 27
IAH2:25 pmHouston George Bush Intcntl
29h 20m
1 stop
SIN8:45 amSingapore Changi
Sep 9
SIN11:10 pmSingapore Changi
32h 55m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$945
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Turkish Airlines
Aug 27
IAH2:25 pmHouston George Bush Intcntl
29h 20m
1 stop
SIN8:45 amSingapore Changi
Sep 9
SIN11:10 pmSingapore Changi
26h 30m
1 stop
IAH12:40 pmHouston George Bush Intcntl
$961
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Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets
Qatar Airways
Aug 25
IAH6:25 pmHouston George Bush Intcntl
25h 35m
1 stop
SIN9:00 amSingapore Changi
Sep 8
SIN3:10 amSingapore Changi
25h 40m
1 stop
IAH3:50 pmHouston George Bush Intcntl
$1,166
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Qatar Airways
Aug 27
IAH6:25 pmHouston George Bush Intcntl
32h 20m
1 stop
SIN3:45 pmSingapore Changi
Sep 8
SIN3:10 amSingapore Changi
25h 40m
1 stop
IAH3:50 pmHouston George Bush Intcntl
$1,169
Find similar
Qatar Airways
Aug 27
IAH6:25 pmHouston George Bush Intcntl
32h 20m
1 stop
SIN3:45 pmSingapore Changi
Sep 8
SIN3:10 amSingapore Changi
25h 40m
1 stop
IAH3:50 pmHouston George Bush Intcntl
$1,172
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momondo Fare Finder

 
Customize your flight search to find flights from Houston 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 August 14, 2025.
Use the filters below to find and compare flights from Houston to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 8/28

6:25 am-9:30 pm

2 stops50h 05m

Singapore Changi

Sun 10/5

10:50 pm-11:23 pm

2 stops37h 33m

$798

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/2

8:00 am-1:50 pm

2 stops40h 50m

Singapore Changi

Tue 9/16

3:15 pm-4:30 am

2 stops26h 15m

$813

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 11/29

2:33 pm-7:00 am

2 stops50h 27m

Singapore Changi

Sat 12/13

8:50 am-1:24 pm

2 stops42h 34m

$910

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/9

9:00 pm-5:55 pm

1 stop31h 55m

Singapore Changi

Tue 9/16

11:10 pm-7:05 pm

1 stop32h 55m

$917

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 9/11

4:32 pm-7:05 am

2 stops49h 33m

Singapore Changi

Thu 9/18

9:10 am-1:32 pm

1 stop41h 22m

$933

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/27

2:25 pm-8:45 am

1 stop29h 20m

Singapore Changi

Tue 9/9

11:10 pm-7:05 pm

1 stop32h 55m

$945

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 10/14

8:58 am-12:20 am

2 stops26h 22m

Singapore Changi

Wed 10/22

1:55 am-1:56 pm

2 stops25h 01m

$1,303

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 9/2

8:51 am-6:10 am

2 stops32h 19m

Singapore Changi

Sat 9/6

1:55 am-3:59 pm

2 stops27h 04m

$1,413

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 9/4

6:44 pm-3:45 pm

2 stops32h 01m

Singapore Changi

Wed 9/10

6:45 pm-2:01 pm

2 stops32h 16m

$1,678

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Fri 9/12

2:33 pm-3:45 pm

2 stops36h 12m

Singapore Changi

Fri 9/19

6:45 pm-2:03 pm

2 stops32h 18m

$1,795

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 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 cheapest month to fly to Singapore?

The month of January is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $946. If you aren’t able to travel to Singapore during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $999.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Houston to Singapore is on a Friday when prices can be found for as low as $1,205. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,640.

What is the cheapest time of day to depart on your flight to Singapore?

In the afternoon is the cheapest time of day to fly from Houston to Singapore when you can find flight prices for as low as $1,322. Flying to Singapore in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,475 on average. Flights to Singapore from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston to Singapore flight route?

Fly from Houston George Bush Intcntl to Singapore Changi for the best Houston - Singapore flight prices

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,216 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Houston for as low as $1,020 on momondo.

What cabin class options are available on Houston to Singapore flights?

There are 2 cabin classes available to choose from on Houston to Singapore flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Singapore flight deals and tips

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

Best Price Found

$446

Fastest flight time

21h 50m

Direct flights

None

Airports in Singapore

1 airport
The best one-way flight to Singapore from Houston in the past 72 hours is $446. The best round-trip flight deal from Houston to Singapore found on momondo in the last 72 hours is $798.
The fastest flight from Houston to Singapore takes 21h 50m
There are no direct flights from Houston to Singapore. Popular non-direct routes for this connection are Houston George Bush Intcntl Airport - Singapore Changi Airport and Houston Hobby Airport - Singapore Changi Airport.
There is 1 airport near Singapore: Singapore Changi (SIN)
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  • When did momondo last update prices for flights from Houston to Singapore?

    Prices for flights from Houston to Singapore are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston to Singapore?

  • How old do you have to be to fly from Houston to Singapore?

    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 to Singapore.

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

    The necessary travel and health documents for your Singapore trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Singapore

Compare and see reviews for airlines that fly from Houston to Singapore with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $836Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $864Free CancellationRating
7.3
3,940 reviews
Search Turkish Airlines flights
Singapore AirlinesPriceFrom $911Free CancellationRating
8.1
1,346 reviews
Search Singapore Airlines flights
Air CanadaPriceFrom $934Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $937Free CancellationRating
8.3
1,545 reviews
Search Japan Airlines flights
EVA AirPriceFrom $1,115Free CancellationRating
8.4
1,233 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,174Free CancellationRating
7.4
3,608 reviews
Search Qatar Airways flights

Why use momondo?

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

Finding the right flight to Singapore from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Singapore quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Houston to Singapore flights to just show those with flexible booking policies.

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?

If you are not ready to book a flight from Houston to Singapore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Singapore and let you know when they change.

An easier way to manage your Singapore trip

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