Cheap flights from Houston to Singapore from $343

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Multiple Airlines Logo
2:05 pm - 2:00 pmIAH-SIN
33h 55m2 stops
Multiple Airlines Logo
8:55 am - 6:03 amSIN-IAH
35h 08m2 stops
$867Multiple Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 18
Multiple Airlines Logo
2:05 pm - 2:00 pmIAH-SIN
33h 55m2 stops
Multiple Airlines Logo
4:50 am - 6:03 amSIN-IAH
39h 13m3 stops
$875Multiple Airlines
Find Deal
Sun, Nov 9 - Mon, Nov 17
Turkish Airlines Logo
9:05 pm - 5:35 pmIAH-SIN
30h 30m1 stop
Turkish Airlines Logo
5:15 am - 7:10 pmSIN-IAH
27h 55m1 stop
$937Turkish Airlines
Find Deal
Thu, Jan 8 - Thu, Jan 29
Turkish Airlines Logo
2:55 pm - 5:35 pmIAH-SIN
36h 40m1 stop
Turkish Airlines Logo
10:25 am - 7:10 pmSIN-IAH
46h 45m1 stop
$955Turkish Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 18
Qatar Airways Logo
5:45 pm - 2:55 pmIAH-SIN
31h 10m1 stop
Qatar Airways Logo
3:15 am - 3:15 pmSIN-IAH
26h 00m1 stop
$968Qatar Airways
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Sun, Nov 9 - Mon, Nov 17
Qatar Airways Logo
5:45 pm - 2:55 pmIAH-SIN
31h 10m1 stop
Qatar Airways Logo
3:15 am - 4:15 pmSIN-IAH
26h 00m1 stop
$989Qatar Airways
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Thu, Mar 5 - Wed, Mar 11
United Airlines Logo
7:20 am - 8:15 pmIAH-SIN
22h 55m1 stop
United Airlines Logo
10:10 am - 8:54 pmSIN-IAH
24h 44m2 stops
$1,029United Airlines
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Thu, Jan 8 - Thu, Jan 29
United Airlines Logo
11:35 am - 6:40 amIAH-SIN
30h 05m1 stop
United Airlines Logo
8:40 pm - 10:33 amSIN-IAH
26h 53m2 stops
$1,034United Airlines
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Mon, Apr 13 - Mon, Apr 27
Air Canada Logo
2:26 pm - 7:00 amIAH-SIN
50h 34m2 stops
Air Canada Logo
9:10 am - 3:05 pmSIN-IAH
42h 55m1 stop
$1,044Air Canada
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Tue, Jan 20 - Tue, Jul 14
Air Canada Logo
11:50 am - 7:00 amIAH-SIN
29h 10m2 stops
Air Canada Logo
9:10 am - 3:05 pmSIN-IAH
42h 55m1 stop
$1,045Air Canada
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Tue, Jan 20 - Tue, Jul 14

ZIPAIR flights from Houston to Singapore

Our best ZIPAIR deals on Houston to Singapore flight tickets
ZIPAIR
Jan 8
IAH9:25 amHouston George Bush Intcntl
23h 45m
1 stop
SIN11:10 pmSingapore Changi
Jan 17
SIN12:40 amSingapore Changi
20h 55m
1 stop
IAH7:35 amHouston George Bush Intcntl
ZIPAIR
Jan 8
IAH9:25 amHouston George Bush Intcntl
23h 45m
1 stop
SIN11:10 pmSingapore Changi
Jan 17
SIN12:40 amSingapore Changi
20h 55m
1 stop
IAH7:35 amHouston George Bush Intcntl
ZIPAIR
Oct 17
IAH10:15 amHouston George Bush Intcntl
23h 45m
1 stop
SIN11:00 pmSingapore Changi
Oct 23
SIN12:30 amSingapore Changi
20h 45m
1 stop
IAH8:15 amHouston George Bush Intcntl

United Airlines flights from Houston to Singapore

Our best United Airlines deals on Houston to Singapore flight tickets
United Airlines
Jan 8
IAH7:20 amHouston George Bush Intcntl
22h 55m
1 stop
SIN8:15 pmSingapore Changi
Jan 29
SIN10:10 amSingapore Changi
24h 44m
2 stops
IAH8:54 pmHouston George Bush Intcntl
United Airlines
Apr 13
IAH11:35 amHouston George Bush Intcntl
30h 05m
1 stop
SIN6:40 amSingapore Changi
Apr 27
SIN8:40 pmSingapore Changi
26h 53m
2 stops
IAH10:33 amHouston George Bush Intcntl
United Airlines
Apr 12
IAH9:35 pmHouston George Bush Intcntl
44h 05m
2 stops
SIN6:40 amSingapore Changi
Apr 27
SIN8:40 pmSingapore Changi
22h 40m
1 stop
IAH6:20 amHouston George Bush Intcntl

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 October 16, 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

Sun 11/9

2:05 pm-2:00 pm

2 stops33h 55m

Singapore Changi

Tue 11/18

8:55 am-6:03 am

2 stops35h 08m

$867

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/9

2:05 pm-2:00 pm

2 stops33h 55m

Singapore Changi

Mon 11/17

4:50 am-6:03 am

3 stops39h 13m

$875

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/8

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Thu 1/29

5:15 am-7:10 pm

1 stop27h 55m

$937

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/9

2:55 pm-5:35 pm

1 stop36h 40m

Singapore Changi

Tue 11/18

10:25 am-7:10 pm

1 stop46h 45m

$955

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/9

5:45 pm-2:55 pm

1 stop31h 10m

Singapore Changi

Mon 11/17

3:15 am-3:15 pm

1 stop26h 00m

$968

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 3/5

5:45 pm-2:55 pm

1 stop31h 10m

Singapore Changi

Wed 3/11

3:15 am-4:15 pm

1 stop26h 00m

$989

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/8

7:20 am-8:15 pm

1 stop22h 55m

Singapore Changi

Thu 1/29

10:10 am-8:54 pm

2 stops24h 44m

$1,029

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 4/13

11:35 am-6:40 am

1 stop30h 05m

Singapore Changi

Mon 4/27

8:40 pm-10:33 am

2 stops26h 53m

$1,034

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

2:26 pm-7:00 am

2 stops50h 34m

Singapore Changi

Tue 7/14

9:10 am-3:05 pm

1 stop42h 55m

$1,044

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 1/20

11:50 am-7:00 am

2 stops29h 10m

Singapore Changi

Tue 7/14

9:10 am-3:05 pm

1 stop42h 55m

$1,045

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 February is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $999. 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 $1,003.

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?

At noon is the cheapest time of day to fly from Houston to Singapore when you can find flight prices for as low as $1,331. Flying to Singapore at noon 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 Changi flight route?

Fly from Houston George Bush Intcntl to Singapore Changi for the best Houston - Singapore Changi 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 $1,182 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 $1,029 on momondo.

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

There are 2 cabin classes available to choose from on Houston to Singapore Changi 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

Direct flights

None
There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.
  • How far is Houston to Singapore Changi by plane?

    There are 9937.5 mi between Houston and Singapore Changi. By plane, this route typically takes 22h 55m.

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

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

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

  • How old do you have to be to fly from Houston 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 to Singapore Changi Airport.

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

    The necessary travel and health documents for your Singapore Changi Airport 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
Air CanadaPriceFrom $852Free CancellationRating
7.1
10,307 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $866Free CancellationRating
7.3
4,010 reviews
Search Turkish Airlines flights
Singapore AirlinesPriceFrom $904Free CancellationRating
8.1
1,382 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $937Free CancellationRating
8.3
1,579 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $973Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
EVA AirPriceFrom $1,080Free CancellationRating
8.4
1,251 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,174Free CancellationRating
7.4
3,652 reviews
Search Qatar Airways flights
ZIPAIRPriceFrom $1,178Free CancellationRating
7.4
51 reviews
Search ZIPAIR 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?

Flights from Houston to Singapore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Houston to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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1 adult
Sat 11/15
Sat 11/22