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Cheap flights from Houston to Singapore from $475

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 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
10:25 am - 7:15 pm
SIN
-
IAH
45h 50m
1 stop
$984Turkish Airlines
Tue, Sep 22 - Fri, Oct 16
Turkish Airlines Logo
10:00 pm - 5:40 pm
IAH
-
SIN
29h 40m
1 stop
Turkish Airlines Logo
11:35 am - 1:10 pm
SIN
-
IAH
39h 35m
1 stop
$989Turkish Airlines
Sat, Nov 7 - Mon, Nov 30
Turkish Airlines Logo
9:00 pm - 8:35 am
IAH
-
SIN
45h 35m
1 stop
Turkish Airlines Logo
11:15 pm - 7:05 pm
SIN
-
IAH
33h 50m
1 stop
$992Turkish Airlines
Fri, Nov 27 - Sun, Dec 13
Turkish Airlines Logo
10:00 pm - 8:35 am
IAH
-
SIN
44h 35m
1 stop
Turkish Airlines Logo
5:10 am - 7:05 pm
SIN
-
IAH
27h 55m
1 stop
$999Turkish Airlines
Fri, Nov 6 - Thu, Nov 26
Delta Logo
1:13 pm - 7:15 pm
HOU
-
SIN
41h 02m
2 stops
Delta Logo
1:25 am - 10:40 pm
SIN
-
HOU
34h 15m
2 stops
$1,297Delta
Tue, Sep 1 - Mon, Sep 7
Delta Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
Delta Logo
7:30 am - 4:25 pm
SIN
-
HOU
45h 55m
2 stops
$1,342Delta
Wed, Aug 19 - Fri, Aug 28
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
$1,358American Airlines
Thu, Aug 27 - Fri, Sep 11
American Airlines Logo
6:03 am - 12:20 am
HOU
-
SIN
29h 17m
2 stops
American Airlines Logo
1:55 am - 5:44 pm
SIN
-
HOU
28h 49m
2 stops
$1,413American Airlines
Tue, Aug 4 - Mon, Aug 24
Multiple Airlines Logo
6:34 pm - 12:25 pm
HOU
-
SIN
28h 51m
2 stops
Multiple Airlines Logo
9:45 am - 11:49 pm
SIN
-
HOU
27h 04m
2 stops
$1,415Multiple Airlines
Tue, Sep 22 - Fri, Oct 16
Multiple Airlines Logo
8:25 am - 12:35 pm
HOU
-
SIN
39h 10m
2 stops
Multiple Airlines Logo
1:45 pm - 5:00 pm
SIN
-
HOU
40h 15m
2 stops
$1,469Multiple Airlines
Sat, Sep 12 - Fri, Sep 18

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Japan Airlines flights from Houston to Singapore

Our best Japan Airlines deals on Houston to Singapore flight tickets
Japan Airlines
Jul 26
IAH8:15 pmHouston George Bush Intcntl
32h 30m
2 stops
SIN5:45 pmSingapore Changi
Aug 2
SIN1:55 amSingapore Changi
30h 48m
2 stops
IAH7:43 pmHouston George Bush Intcntl
$1,690
Japan Airlines
Oct 14
HOU6:00 amHouston Hobby
29h 20m
2 stops
SIN12:20 amSingapore Changi
Oct 18
SIN9:50 pmSingapore Changi
28h 48m
2 stops
HOU1:38 pmHouston Hobby
$1,760
Japan Airlines
Oct 14
HOU6:00 amHouston Hobby
29h 20m
2 stops
SIN12:20 amSingapore Changi
Oct 18
SIN9:50 pmSingapore Changi
28h 48m
2 stops
HOU1:38 pmHouston Hobby
$1,905

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Sep 22
IAH9:10 pmHouston George Bush Intcntl
31h 45m
1 stop
SIN5:55 pmSingapore Changi
Oct 16
SIN10:25 amSingapore Changi
45h 50m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$984
Turkish Airlines
Sep 12
IAH9:10 pmHouston George Bush Intcntl
31h 45m
1 stop
SIN5:55 pmSingapore Changi
Sep 19
SIN12:50 pmSingapore Changi
43h 25m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$999
Turkish Airlines
Sep 21
IAH2:30 pmHouston George Bush Intcntl
38h 25m
1 stop
SIN5:55 pmSingapore Changi
Oct 16
SIN11:05 pmSingapore Changi
33h 10m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$1,049

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 18, 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

Tue 9/22

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

Fri 10/16

10:25 am-7:15 pm

1 stop45h 50m

$984

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 11/7

10:00 pm-5:40 pm

1 stop29h 40m

Singapore Changi

Mon 11/30

11:35 am-1:10 pm

1 stop39h 35m

$989

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 11/27

9:00 pm-8:35 am

1 stop45h 35m

Singapore Changi

Sun 12/13

11:15 pm-7:05 pm

1 stop33h 50m

$992

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 11/6

10:00 pm-8:35 am

1 stop44h 35m

Singapore Changi

Thu 11/26

5:10 am-7:05 pm

1 stop27h 55m

$999

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 9/1

1:13 pm-7:15 pm

2 stops41h 02m

Singapore Changi

Mon 9/7

1:25 am-10:40 pm

2 stops34h 15m

$1,297

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 8/19

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Fri 8/28

7:30 am-4:25 pm

2 stops45h 55m

$1,342
Quickest round-trip

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/27

5:41 am-12:20 am

2 stops29h 39m

Singapore Changi

Fri 9/11

8:05 am-7:48 pm

2 stops24h 43m

$1,358

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 8/4

6:03 am-12:20 am

2 stops29h 17m

Singapore Changi

Mon 8/24

1:55 am-5:44 pm

2 stops28h 49m

$1,413

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 9/22

6:34 pm-12:25 pm

2 stops28h 51m

Singapore Changi

Fri 10/16

9:45 am-11:49 pm

2 stops27h 04m

$1,415

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 9/12

8:25 am-12:35 pm

2 stops39h 10m

Singapore Changi

Fri 9/18

1:45 pm-5:00 pm

2 stops40h 15m

$1,469

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 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

24h 13m

Direct flights

None
The fastest flight from Houston to Singapore takes 24h 13m
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 24h 13m.

  • 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
11,357 reviews
Search Air Canada flights
United AirlinesPriceFrom $727Free CancellationRating
7.4
10,006 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,448 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,501 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,745 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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Fly your favorite airline to Singapore

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