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Cheap flights from Houston to Singapore from $435

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 8/29. 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.
Multiple Airlines Logo
11:26 am - 9:35 am
IAH
-
SIN
32h 09m
2 stops
Multiple Airlines Logo
7:25 pm - 8:26 pm
SIN
-
IAH
39h 01m
2 stops
$1,082Multiple Airlines
Fri, Nov 6 - Sat, Nov 21
Multiple Airlines Logo
11:35 am - 7:10 pm
IAH
-
SIN
42h 35m
2 stops
Multiple Airlines Logo
8:45 pm - 11:26 am
SIN
-
IAH
27h 41m
1 stop
$1,083Multiple Airlines
Tue, Aug 25 - Fri, Sep 25
Multiple Airlines Logo
9:09 am - 9:35 am
IAH
-
SIN
34h 26m
2 stops
Multiple Airlines Logo
7:25 pm - 1:26 pm
SIN
-
IAH
32h 01m
2 stops
$1,084Multiple Airlines
Fri, Nov 6 - Thu, Nov 26
Etihad Airways Logo
7:34 am - 9:35 am
IAH
-
SIN
36h 01m
2 stops
Etihad Airways Logo
7:25 pm - 8:06 pm
SIN
-
IAH
38h 41m
2 stops
$1,097Etihad Airways
Sat, Nov 21 - Sun, Nov 29
Turkish Airlines Logo
10:00 pm - 5:40 pm
IAH
-
SIN
29h 40m
1 stop
Turkish Airlines Logo
5:10 am - 7:05 pm
SIN
-
IAH
27h 55m
1 stop
$1,098Turkish Airlines
Fri, Nov 6 - Thu, Nov 26
Turkish Airlines Logo
9:00 pm - 8:45 am
IAH
-
SIN
45h 45m
1 stop
Turkish Airlines Logo
11:35 am - 7:05 pm
SIN
-
IAH
45h 30m
1 stop
$1,118Turkish Airlines
Wed, Nov 11 - Fri, Dec 4
Delta Logo
6:00 am - 7:15 pm
HOU
-
SIN
48h 15m
2 stops
Delta Logo
10:00 pm - 10:05 pm
SIN
-
HOU
37h 05m
2 stops
$1,297Delta
Wed, Aug 26 - Wed, Sep 2
Delta Logo
1:13 pm - 7:15 pm
HOU
-
SIN
41h 02m
2 stops
Delta Logo
7:30 am - 12:16 pm
SIN
-
HOU
41h 46m
2 stops
$1,302Delta
Mon, Aug 24 - Mon, Aug 31
American Airlines Logo
5:41 am - 12:20 am
HOU
-
SIN
29h 39m
2 stops
American Airlines Logo
1:55 am - 5:44 pm
SIN
-
HOU
28h 49m
2 stops
$1,413American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
5:41 am - 12:20 am
HOU
-
SIN
29h 39m
2 stops
American Airlines Logo
8:05 am - 7:51 pm
SIN
-
HOU
24h 46m
2 stops
$1,416American Airlines
Thu, Aug 13 - Wed, Aug 26

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Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Nov 6
IAH10:00 pmHouston George Bush Intcntl
29h 40m
1 stop
SIN5:40 pmSingapore Changi
Nov 26
SIN5:10 amSingapore Changi
27h 55m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$1,098
Turkish Airlines
Nov 11
IAH9:00 pmHouston George Bush Intcntl
45h 45m
1 stop
SIN8:45 amSingapore Changi
Dec 4
SIN11:35 amSingapore Changi
45h 30m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$1,118
Turkish Airlines
Nov 5
IAH10:00 pmHouston George Bush Intcntl
29h 40m
1 stop
SIN5:40 pmSingapore Changi
Nov 27
SIN11:35 amSingapore Changi
39h 35m
1 stop
IAH1:10 pmHouston George Bush Intcntl
$1,121

Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Aug 5
IAH4:35 pmHouston George Bush Intcntl
47h 40m
2 stops
SIN5:15 amSingapore Changi
Aug 11
SIN7:00 amSingapore Changi
38h 28m
2 stops
IAH8:28 amHouston George Bush Intcntl
$1,153
Air Canada
Aug 5
IAH4:35 pmHouston George Bush Intcntl
47h 40m
2 stops
SIN5:15 amSingapore Changi
Aug 11
SIN8:50 pmSingapore Changi
32h 01m
2 stops
IAH3:51 pmHouston George Bush Intcntl
$1,168
Air Canada
Jul 29
IAH4:35 pmHouston George Bush Intcntl
47h 40m
2 stops
SIN5:15 amSingapore Changi
Aug 4
SIN7:00 amSingapore Changi
43h 24m
2 stops
IAH1:24 pmHouston George Bush Intcntl
$1,174

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 13, 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

Fri 11/6

11:26 am-9:35 am

2 stops32h 09m

Singapore Changi

Sat 11/21

7:25 pm-8:26 pm

2 stops39h 01m

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 8/25

11:35 am-7:10 pm

2 stops42h 35m

Singapore Changi

Fri 9/25

8:45 pm-11:26 am

1 stop27h 41m

$1,083

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 11/6

9:09 am-9:35 am

2 stops34h 26m

Singapore Changi

Thu 11/26

7:25 pm-1:26 pm

2 stops32h 01m

$1,084

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 11/21

7:34 am-9:35 am

2 stops36h 01m

Singapore Changi

Sun 11/29

7:25 pm-8:06 pm

2 stops38h 41m

$1,097

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 11/6

10:00 pm-5:40 pm

1 stop29h 40m

Singapore Changi

Thu 11/26

5:10 am-7:05 pm

1 stop27h 55m

$1,098

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 11/11

9:00 pm-8:45 am

1 stop45h 45m

Singapore Changi

Fri 12/4

11:35 am-7:05 pm

1 stop45h 30m

$1,118

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 8/26

6:00 am-7:15 pm

2 stops48h 15m

Singapore Changi

Wed 9/2

10:00 pm-10:05 pm

2 stops37h 05m

$1,297

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 8/24

1:13 pm-7:15 pm

2 stops41h 02m

Singapore Changi

Mon 8/31

7:30 am-12:16 pm

2 stops41h 46m

$1,302

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/13

5:41 am-12:20 am

2 stops29h 39m

Singapore Changi

Tue 8/25

1:55 am-5:44 pm

2 stops28h 49m

$1,413
Quickest round-trip

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/13

5:41 am-12:20 am

2 stops29h 39m

Singapore Changi

Wed 8/26

8:05 am-7:51 pm

2 stops24h 46m

$1,416

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

What is the cheapest month to fly to Singapore?

The month of December is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $581. If you aren’t able to travel to Singapore during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $585.

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 15m

Direct flights

None
The fastest flight from Houston to Singapore takes 22h 15m
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 15m.

  • 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
11,332 reviews
Search Air Canada flights
United AirlinesPriceFrom $727Free CancellationRating
7.4
9,981 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,442 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,498 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,742 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