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Cheap flights from Houston to Singapore from $452

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 8/27. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:10 pm - 5:55 pm
IAH
-
SIN
31h 45m
1 stop
Turkish Airlines Logo
5:25 am - 7:15 pm
SIN
-
IAH
26h 50m
1 stop
$982Turkish Airlines
Mon, Sep 7 - Sun, Sep 20
Turkish Airlines Logo
9:10 pm - 5:55 pm
IAH
-
SIN
31h 45m
1 stop
Turkish Airlines Logo
11:35 am - 7:05 pm
SIN
-
IAH
45h 30m
1 stop
$989Turkish Airlines
Tue, Oct 13 - Mon, Nov 9
Turkish Airlines Logo
2:30 pm - 8:45 am
IAH
-
SIN
29h 15m
1 stop
Turkish Airlines Logo
11:05 pm - 7:20 pm
SIN
-
IAH
33h 15m
1 stop
$993Turkish Airlines
Mon, Sep 7 - Sun, Sep 20
Turkish Airlines Logo
9:00 pm - 5:40 pm
IAH
-
SIN
30h 40m
1 stop
Turkish Airlines Logo
5:10 am - 7:05 pm
SIN
-
IAH
27h 55m
1 stop
$994Turkish Airlines
Sun, Nov 8 - Sat, Nov 21
Delta Logo
5:20 pm - 5:00 am
HOU
-
SIN
46h 40m
2 stops
Delta Logo
10:00 pm - 10:39 pm
SIN
-
HOU
37h 39m
2 stops
$1,297Delta
Mon, Sep 7 - Sun, Sep 20
American Airlines Logo
5:41 am - 12:20 am
HOU
-
SIN
29h 39m
2 stops
American Airlines Logo
8:05 am - 7:48 pm
SIN
-
HOU
24h 43m
2 stops
$1,302American Airlines
Thu, Sep 3 - Thu, Sep 10
Delta Logo
10:50 am - 11:55 pm
HOU
-
SIN
48h 05m
2 stops
Delta Logo
1:25 am - 10:39 pm
SIN
-
HOU
34h 14m
2 stops
$1,303Delta
Sun, Aug 16 - Tue, Sep 15
Multiple Airlines Logo
8:24 pm - 12:25 pm
HOU
-
SIN
27h 01m
2 stops
Multiple Airlines Logo
7:40 am - 10:34 pm
SIN
-
HOU
28h 54m
2 stops
$1,306Multiple Airlines
Thu, Oct 22 - Tue, Nov 3
American Airlines Logo
6:00 am - 12:20 am
HOU
-
SIN
29h 20m
2 stops
American Airlines Logo
8:05 am - 7:49 pm
SIN
-
HOU
24h 44m
2 stops
$1,308American Airlines
Thu, Oct 15 - Thu, Oct 22
Multiple Airlines Logo
8:24 pm - 12:25 pm
HOU
-
SIN
27h 01m
2 stops
Multiple Airlines Logo
7:40 am - 12:14 am
SIN
-
HOU
29h 34m
2 stops
$1,402Multiple Airlines
Sat, Oct 17 - Sun, Nov 1

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Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Oct 7
IAH4:32 pmHouston George Bush Intcntl
47h 43m
2 stops
SIN5:15 amSingapore Changi
Oct 15
SIN7:00 amSingapore Changi
43h 23m
2 stops
IAH1:23 pmHouston George Bush Intcntl
$1,143
Air Canada
Oct 8
IAH4:45 pmHouston George Bush Intcntl
23h 30m
1 stop
SIN5:15 amSingapore Changi
Oct 15
SIN7:00 amSingapore Changi
43h 23m
2 stops
IAH1:23 pmHouston George Bush Intcntl
$1,151
Air Canada
Aug 5
IAH4:35 pmHouston George Bush Intcntl
47h 40m
2 stops
SIN5:15 amSingapore Changi
Aug 11
SIN7:00 amSingapore Changi
21h 51m
1 stop
IAH3:51 pmHouston George Bush Intcntl
$1,167

United Airlines flights from Houston to Singapore

Our best United Airlines deals on Houston to Singapore flight tickets
United Airlines
Aug 5
IAH9:59 pmHouston George Bush Intcntl
31h 36m
1 stop
SIN6:35 pmSingapore Changi
Aug 11
SIN8:45 amSingapore Changi
22h 44m
1 stop
IAH6:29 pmHouston George Bush Intcntl
$1,284
United Airlines
Aug 5
IAH5:22 amHouston George Bush Intcntl
24h 13m
1 stop
SIN6:35 pmSingapore Changi
Aug 11
SIN8:45 amSingapore Changi
25h 10m
2 stops
IAH8:55 pmHouston George Bush Intcntl
$1,288
United Airlines
Aug 5
IAH3:30 pmHouston George Bush Intcntl
25h 45m
1 stop
SIN6:15 amSingapore Changi
Aug 11
SIN8:45 amSingapore Changi
34h 50m
1 stop
IAH6:35 amHouston George Bush Intcntl
$1,293

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 July 23, 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

Cheapest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 9/7

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

Sun 9/20

5:25 am-7:15 pm

1 stop26h 50m

$982

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/13

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

Mon 11/9

11:35 am-7:05 pm

1 stop45h 30m

$989

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 9/7

2:30 pm-8:45 am

1 stop29h 15m

Singapore Changi

Sun 9/20

11:05 pm-7:20 pm

1 stop33h 15m

$993

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

9:00 pm-5:40 pm

1 stop30h 40m

Singapore Changi

Sat 11/21

5:10 am-7:05 pm

1 stop27h 55m

$994

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 9/7

5:20 pm-5:00 am

2 stops46h 40m

Singapore Changi

Sun 9/20

10:00 pm-10:39 pm

2 stops37h 39m

$1,297

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 9/3

5:41 am-12:20 am

2 stops29h 39m

Singapore Changi

Thu 9/10

8:05 am-7:48 pm

2 stops24h 43m

$1,302

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 8/16

10:50 am-11:55 pm

2 stops48h 05m

Singapore Changi

Tue 9/15

1:25 am-10:39 pm

2 stops34h 14m

$1,303

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 10/22

8:24 pm-12:25 pm

2 stops27h 01m

Singapore Changi

Tue 11/3

7:40 am-10:34 pm

2 stops28h 54m

$1,306
Quickest round-trip

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 10/15

6:00 am-12:20 am

2 stops29h 20m

Singapore Changi

Thu 10/22

8:05 am-7:49 pm

2 stops24h 44m

$1,308

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 10/17

8:24 pm-12:25 pm

2 stops27h 01m

Singapore Changi

Sun 11/1

7:40 am-12:14 am

2 stops29h 34m

$1,402

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Houston and Singapore?

Prices are currently low for flights on this route.

Typical prices usually range from $1,224 to $1,468.
The lowest price recently found on this route was $982.

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 $1,083. 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 $1,092.

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

22h 50m

Direct flights

None
The fastest flight from Houston to Singapore takes 22h 50m
There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.
Search flight deals

Frequently asked questions about flying 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 50m.

  • 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 $712Free CancellationRating
7.1
11,371 reviews
Search Air Canada flights
United AirlinesPriceFrom $727Free CancellationRating
7.4
10,024 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,447 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,502 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,747 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?

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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
EVA Air
Air Canada
Turkish Airlines
Qatar Airways