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Cheap flights from Houston to Singapore from $404

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 11/12. 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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Cheap round-trip flights

Turkish Airlines Logo
9:00 pm - 8:45 amIAH-SIN
46h 45m1 stop
Turkish Airlines Logo
10:15 am - 12:40 pmSIN-IAH
39h 25m1 stop
$897Turkish Airlines
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Tue, Oct 14 - Thu, Oct 23
Turkish Airlines Logo
9:05 pm - 8:45 amIAH-SIN
45h 40m1 stop
Turkish Airlines Logo
10:25 am - 7:10 pmSIN-IAH
46h 45m1 stop
$928Turkish Airlines
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Thu, Jan 8 - Thu, Jan 29
Multiple Airlines Logo
6:44 am - 11:40 pmIAH-SIN
27h 56m2 stops
Multiple Airlines Logo
3:15 pm - 6:03 amSIN-IAH
28h 48m2 stops
$958Multiple Airlines
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Sat, Oct 25 - Tue, Nov 4
Qatar Airways Logo
6:45 pm - 8:45 amIAH-SIN
25h 00m1 stop
Qatar Airways Logo
3:15 am - 3:15 pmSIN-IAH
26h 00m1 stop
$967Qatar Airways
Find Deal
Mon, Oct 27 - Sun, Nov 2
Multiple Airlines Logo
6:44 am - 11:40 pmIAH-SIN
27h 56m2 stops
Multiple Airlines Logo
12:55 pm - 6:03 amSIN-IAH
31h 08m2 stops
$970Multiple Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 3
Qatar Airways Logo
6:25 pm - 9:00 amIAH-SIN
25h 35m1 stop
Qatar Airways Logo
3:15 am - 3:15 pmSIN-IAH
26h 00m1 stop
$987Qatar Airways
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Thu, Oct 23 - Thu, Nov 6
United Airlines Logo
2:32 pm - 7:00 amIAH-SIN
27h 28m2 stops
United Airlines Logo
10:10 am - 7:09 pmSIN-IAH
22h 59m2 stops
$992United Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 11
United Airlines Logo
2:23 pm - 7:00 amIAH-SIN
27h 37m1 stop
United Airlines Logo
10:10 am - 10:57 pmSIN-IAH
26h 47m2 stops
$995United Airlines
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Mon, Oct 27 - Tue, Nov 11
Japan Airlines Logo
4:55 pm - 6:35 amHOU-SIN
47h 40m2 stops
Japan Airlines Logo
2:20 am - 4:12 pmSIN-HOU
27h 52m2 stops
$1,155Japan Airlines
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Sat, Jan 10 - Mon, Jan 26
Japan Airlines Logo
4:55 pm - 6:35 amHOU-SIN
47h 40m2 stops
Japan Airlines Logo
2:20 am - 12:09 pmSIN-HOU
23h 49m2 stops
$1,205Japan Airlines
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Sat, Jan 10 - Thu, Jan 29

Cathay Pacific flights from Houston to Singapore

Our best Cathay Pacific deals on Houston to Singapore flight tickets
Cathay Pacific
Oct 27
IAH8:10 pmHouston George Bush Intcntl
26h 45m
2 stops
SIN11:55 amSingapore Changi
Nov 11
SIN7:40 amSingapore Changi
26h 11m
2 stops
IAH7:51 pmHouston George Bush Intcntl
$1,033
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Cathay Pacific
Oct 4
IAH8:12 pmHouston George Bush Intcntl
26h 33m
2 stops
SIN11:45 amSingapore Changi
Oct 15
SIN12:45 pmSingapore Changi
47h 58m
2 stops
IAH11:43 pmHouston George Bush Intcntl
$1,169
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Cathay Pacific
Oct 1
IAH10:33 amHouston George Bush Intcntl
39h 32m
2 stops
SIN3:05 pmSingapore Changi
Oct 12
SIN8:05 pmSingapore Changi
38h 50m
2 stops
IAH9:55 pmHouston George Bush Intcntl
$6,454
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Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets
Qatar Airways
Oct 27
IAH6:45 pmHouston George Bush Intcntl
25h 00m
1 stop
SIN8:45 amSingapore Changi
Nov 2
SIN3:15 amSingapore Changi
26h 00m
1 stop
IAH3:15 pmHouston George Bush Intcntl
$967
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Qatar Airways
Oct 6
IAH6:25 pmHouston George Bush Intcntl
32h 20m
1 stop
SIN3:45 pmSingapore Changi
Oct 20
SIN3:10 amSingapore Changi
25h 40m
1 stop
IAH3:50 pmHouston George Bush Intcntl
$981
Find similar
Qatar Airways
Oct 23
IAH6:25 pmHouston George Bush Intcntl
25h 35m
1 stop
SIN9:00 amSingapore Changi
Nov 6
SIN3:15 amSingapore Changi
26h 00m
1 stop
IAH3:15 pmHouston George Bush Intcntl
$987
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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 September 29, 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

Tue 10/14

9:00 pm-8:45 am

1 stop46h 45m

Singapore Changi

Thu 10/23

10:15 am-12:40 pm

1 stop39h 25m

$897

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 1/8

9:05 pm-8:45 am

1 stop45h 40m

Singapore Changi

Thu 1/29

10:25 am-7:10 pm

1 stop46h 45m

$928

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 10/25

6:44 am-11:40 pm

2 stops27h 56m

Singapore Changi

Tue 11/4

3:15 pm-6:03 am

2 stops28h 48m

$958

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 10/27

6:45 pm-8:45 am

1 stop25h 00m

Singapore Changi

Sun 11/2

3:15 am-3:15 pm

1 stop26h 00m

$967

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 10/27

6:44 am-11:40 pm

2 stops27h 56m

Singapore Changi

Mon 11/3

12:55 pm-6:03 am

2 stops31h 08m

$970

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 10/23

6:25 pm-9:00 am

1 stop25h 35m

Singapore Changi

Thu 11/6

3:15 am-3:15 pm

1 stop26h 00m

$987

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 10/27

2:32 pm-7:00 am

2 stops27h 28m

Singapore Changi

Tue 11/11

10:10 am-7:09 pm

2 stops22h 59m

$992

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 10/27

2:23 pm-7:00 am

1 stop27h 37m

Singapore Changi

Tue 11/11

10:10 am-10:57 pm

2 stops26h 47m

$995

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 1/10

4:55 pm-6:35 am

2 stops47h 40m

Singapore Changi

Mon 1/26

2:20 am-4:12 pm

2 stops27h 52m

$1,155

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 1/10

4:55 pm-6:35 am

2 stops47h 40m

Singapore Changi

Thu 1/29

2:20 am-12:09 pm

2 stops23h 49m

$1,205

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 $1,003. 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 $1,012.

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 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 $1,218 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 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

Direct flights

None
There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.
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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
Air CanadaPriceFrom $852Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $866Free CancellationRating
7.3
3,980 reviews
Search Turkish Airlines flights
Singapore AirlinesPriceFrom $904Free CancellationRating
8.1
1,373 reviews
Search Singapore Airlines flights
Japan AirlinesPriceFrom $937Free CancellationRating
8.3
1,569 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $973Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
EVA AirPriceFrom $1,080Free CancellationRating
8.4
1,242 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,156Free CancellationRating
7.4
3,635 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.

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