Cheap flights from Houston to Singapore from $366

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 4/20. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:35 pm - 9:30 pm
IAH
-
SIN
39h 55m
2 stops
Multiple Airlines Logo
8:45 pm - 6:02 pm
SIN
-
IAH
34h 17m
1 stop
$921Multiple Airlines
Tue, Apr 21 - Tue, May 5
Cathay Pacific Logo
10:50 am - 5:30 am
IAH
-
SIN
29h 40m
2 stops
Cathay Pacific Logo
1:25 pm - 7:11 pm
SIN
-
IAH
42h 46m
2 stops
$941Cathay Pacific
Tue, Apr 21 - Tue, Apr 28
Air Canada Logo
5:25 pm - 5:15 am
IAH
-
SIN
22h 50m
1 stop
Air Canada Logo
7:00 am - 4:24 pm
SIN
-
IAH
22h 24m
1 stop
$942Air Canada
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
4:35 pm - 11:45 am
IAH
-
SIN
54h 10m
2 stops
Multiple Airlines Logo
8:45 pm - 6:02 pm
SIN
-
IAH
34h 17m
1 stop
$945Multiple Airlines
Wed, Apr 22 - Tue, May 5
Turkish Airlines Logo
2:30 pm - 8:45 am
IAH
-
SIN
29h 15m
1 stop
Turkish Airlines Logo
10:25 am - 12:45 pm
SIN
-
IAH
39h 20m
1 stop
$951Turkish Airlines
Mon, Mar 30 - Thu, Apr 9
Air India Logo
9:35 am - 5:15 am
IAH
-
SIN
30h 40m
1 stop
Air India Logo
7:00 am - 6:51 pm
SIN
-
IAH
24h 51m
1 stop
$955Air India
Tue, Apr 21 - Tue, May 5
Air Canada Logo
4:45 pm - 5:15 am
IAH
-
SIN
23h 30m
1 stop
Air Canada Logo
7:00 am - 3:46 pm
SIN
-
IAH
21h 46m
1 stop
$968Air Canada
Thu, Aug 20 - Sat, Aug 29
Turkish Airlines Logo
9:05 pm - 5:55 pm
IAH
-
SIN
31h 50m
1 stop
Turkish Airlines Logo
10:25 am - 12:45 pm
SIN
-
IAH
39h 20m
1 stop
$971Turkish Airlines
Sun, Mar 29 - Tue, Apr 7
Delta Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
Delta Logo
10:00 pm - 9:35 pm
SIN
-
HOU
36h 35m
2 stops
$1,091Delta
Mon, Aug 17 - Tue, Sep 1
Delta Logo
6:00 am - 11:55 pm
HOU
-
SIN
28h 55m
2 stops
Delta Logo
7:30 am - 11:08 pm
SIN
-
HOU
28h 38m
2 stops
$1,287Delta
Wed, Apr 22 - Thu, May 7

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets
Qatar Airways
Feb 26
IAH5:45 pmHouston George Bush Intcntl
31h 10m
1 stop
SIN2:55 pmSingapore Changi
Mar 5
SIN3:15 amSingapore Changi
26h 00m
1 stop
IAH3:15 pmHouston George Bush Intcntl
$1,099
Qatar Airways
Mar 4
IAH5:45 pmHouston George Bush Intcntl
26h 35m
2 stops
SIN10:20 amSingapore Changi
Mar 9
SIN8:15 pmSingapore Changi
33h 00m
1 stop
IAH4:15 pmHouston George Bush Intcntl
$1,166
Qatar Airways
Mar 16
HOU8:20 pmHouston Hobby
29h 35m
2 stops
SIN2:55 pmSingapore Changi
Mar 30
SIN7:40 pmSingapore Changi
37h 10m
2 stops
HOU7:50 pmHouston Hobby
$1,455

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Mar 30
IAH2:30 pmHouston George Bush Intcntl
29h 15m
1 stop
SIN8:45 amSingapore Changi
Apr 9
SIN10:25 amSingapore Changi
39h 20m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$951
Turkish Airlines
Mar 1
IAH9:05 pmHouston George Bush Intcntl
30h 30m
1 stop
SIN5:35 pmSingapore Changi
Mar 10
SIN10:15 amSingapore Changi
46h 55m
1 stop
IAH8:10 pmHouston George Bush Intcntl
$964
Turkish Airlines
Mar 29
IAH9:05 pmHouston George Bush Intcntl
31h 50m
1 stop
SIN5:55 pmSingapore Changi
Apr 7
SIN10:25 amSingapore Changi
39h 20m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$971

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 February 21, 2026.
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 4/21

4:35 pm-9:30 pm

2 stops39h 55m

Singapore Changi

Tue 5/5

8:45 pm-6:02 pm

1 stop34h 17m

$921

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/21

10:50 am-5:30 am

2 stops29h 40m

Singapore Changi

Tue 4/28

1:25 pm-7:11 pm

2 stops42h 46m

$941

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/21

5:25 pm-5:15 am

1 stop22h 50m

Singapore Changi

Tue 4/28

7:00 am-4:24 pm

1 stop22h 24m

$942

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/22

4:35 pm-11:45 am

2 stops54h 10m

Singapore Changi

Tue 5/5

8:45 pm-6:02 pm

1 stop34h 17m

$945

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 3/30

2:30 pm-8:45 am

1 stop29h 15m

Singapore Changi

Thu 4/9

10:25 am-12:45 pm

1 stop39h 20m

$951

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 4/21

9:35 am-5:15 am

1 stop30h 40m

Singapore Changi

Tue 5/5

7:00 am-6:51 pm

1 stop24h 51m

$955

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 8/20

4:45 pm-5:15 am

1 stop23h 30m

Singapore Changi

Sat 8/29

7:00 am-3:46 pm

1 stop21h 46m

$968

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 3/29

9:05 pm-5:55 pm

1 stop31h 50m

Singapore Changi

Tue 4/7

10:25 am-12:45 pm

1 stop39h 20m

$971

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 8/17

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Tue 9/1

10:00 pm-9:35 pm

2 stops36h 35m

$1,091

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 4/22

6:00 am-11:55 pm

2 stops28h 55m

Singapore Changi

Thu 5/7

7:30 am-11:08 pm

2 stops28h 38m

$1,287

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 $1,064. If you aren’t able to travel to Singapore during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,100.

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 $1,350. 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 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 $1,221 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 $727 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

Fastest flight time

23h 30m

Direct flights

None
The fastest flight from Houston to Singapore takes 23h 30m
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 23h 30m.

  • 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
Turkish AirlinesPriceFrom $875Free CancellationRating
7.3
4,229 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $909Free CancellationRating
7.1
10,736 reviews
Search Air Canada flights
United AirlinesPriceFrom $975Free CancellationRating
7.4
9,341 reviews
Search United Airlines flights
EVA AirPriceFrom $1,036Free CancellationRating
8.4
1,357 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,128Free CancellationRating
7.4
3,739 reviews
Search Qatar Airways flights
ZIPAIRPriceFrom $1,135Free CancellationRating
7.4
54 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.

An easier way to manage your Singapore trip

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1 adult
Mon 3/23
Mon 3/30

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