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Cheap flights from Houston to Singapore from $473

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 9/8. 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 - 11:10 am
IAH
-
SIN
25h 00m
1 stop
Turkish Airlines Logo
11:05 pm - 12:45 pm
SIN
-
IAH
26h 40m
1 stop
$999Turkish Airlines
Thu, Sep 3 - Thu, Sep 17
Multiple Airlines Logo
6:00 am - 9:35 am
IAH
-
SIN
37h 35m
2 stops
Multiple Airlines Logo
7:25 pm - 8:26 pm
SIN
-
IAH
39h 01m
2 stops
$1,082Multiple Airlines
Sun, Nov 8 - Mon, Nov 30
Multiple Airlines Logo
2:34 pm - 11:35 pm
IAH
-
SIN
44h 01m
2 stops
Multiple Airlines Logo
10:50 pm - 8:50 am
SIN
-
IAH
47h 00m
2 stops
$1,096Multiple Airlines
Sun, Sep 13 - Sat, Sep 26
Turkish Airlines Logo
9:10 pm - 11:10 am
IAH
-
SIN
25h 00m
1 stop
Turkish Airlines Logo
10:25 am - 7:15 pm
SIN
-
IAH
45h 50m
1 stop
$1,118Turkish Airlines
Thu, Sep 10 - Tue, Sep 15
Air Canada Logo
5:25 pm - 5:15 am
IAH
-
SIN
22h 50m
1 stop
Air Canada Logo
7:00 am - 4:30 pm
SIN
-
IAH
22h 30m
1 stop
$1,139Air Canada
Thu, Jun 25 - Thu, Jul 9
Air Canada Logo
5:25 pm - 5:15 am
IAH
-
SIN
22h 50m
1 stop
Air Canada Logo
7:00 am - 10:06 pm
SIN
-
IAH
28h 06m
2 stops
$1,146Air Canada
Thu, Jun 25 - Thu, Jul 9
Delta Logo
5:35 pm - 7:15 pm
HOU
-
SIN
36h 40m
2 stops
Delta Logo
7:30 am - 10:35 pm
SIN
-
HOU
28h 05m
2 stops
$1,297Delta
Tue, Sep 8 - Thu, Sep 17
Delta Logo
5:20 pm - 5:00 am
HOU
-
SIN
46h 40m
2 stops
Delta Logo
7:30 am - 10:35 pm
SIN
-
HOU
28h 05m
2 stops
$1,302Delta
Sun, Sep 6 - Tue, Sep 15
Korean Air Logo
6:00 am - 11:55 pm
HOU
-
SIN
28h 55m
2 stops
Korean Air Logo
10:00 pm - 4:31 pm
SIN
-
HOU
31h 31m
2 stops
$1,303Korean Air
Thu, Sep 10 - Mon, Sep 14
Korean Air Logo
5:20 pm - 11:55 pm
HOU
-
SIN
41h 35m
2 stops
Korean Air Logo
10:00 pm - 4:31 pm
SIN
-
HOU
31h 31m
2 stops
$1,309Korean Air
Sun, Sep 6 - Mon, Sep 14

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Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Sep 3
IAH9:10 pmHouston George Bush Intcntl
25h 00m
1 stop
SIN11:10 amSingapore Changi
Sep 17
SIN11:05 pmSingapore Changi
26h 40m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$999
Turkish Airlines
Sep 10
IAH9:10 pmHouston George Bush Intcntl
25h 00m
1 stop
SIN11:10 amSingapore Changi
Sep 15
SIN10:25 amSingapore Changi
45h 50m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$1,118
Turkish Airlines
Oct 15
IAH9:10 pmHouston George Bush Intcntl
25h 00m
1 stop
SIN11:10 amSingapore Changi
Oct 22
SIN10:25 amSingapore Changi
45h 50m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$1,122

Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Jun 25
IAH5:25 pmHouston George Bush Intcntl
22h 50m
1 stop
SIN5:15 amSingapore Changi
Jul 9
SIN7:00 amSingapore Changi
22h 30m
1 stop
IAH4:30 pmHouston George Bush Intcntl
$1,139
Air Canada
Jun 25
IAH5:25 pmHouston George Bush Intcntl
22h 50m
1 stop
SIN5:15 amSingapore Changi
Jul 9
SIN7:00 amSingapore Changi
28h 06m
2 stops
IAH10:06 pmHouston George Bush Intcntl
$1,146
Air Canada
Oct 15
IAH4:45 pmHouston George Bush Intcntl
23h 30m
1 stop
SIN5:15 amSingapore Changi
Oct 22
SIN7:00 amSingapore Changi
43h 23m
2 stops
IAH1:23 pmHouston George Bush Intcntl
$1,151

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 June 14, 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

Thu 9/3

9:10 pm-11:10 am

1 stop25h 00m

Singapore Changi

Thu 9/17

11:05 pm-12:45 pm

1 stop26h 40m

$999

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

6:00 am-9:35 am

2 stops37h 35m

Singapore Changi

Mon 11/30

7:25 pm-8:26 pm

2 stops39h 01m

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 9/13

2:34 pm-11:35 pm

2 stops44h 01m

Singapore Changi

Sat 9/26

10:50 pm-8:50 am

2 stops47h 00m

$1,096

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 9/10

9:10 pm-11:10 am

1 stop25h 00m

Singapore Changi

Tue 9/15

10:25 am-7:15 pm

1 stop45h 50m

$1,118
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 6/25

5:25 pm-5:15 am

1 stop22h 50m

Singapore Changi

Thu 7/9

7:00 am-4:30 pm

1 stop22h 30m

$1,139

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 6/25

5:25 pm-5:15 am

1 stop22h 50m

Singapore Changi

Thu 7/9

7:00 am-10:06 pm

2 stops28h 06m

$1,146

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 9/8

5:35 pm-7:15 pm

2 stops36h 40m

Singapore Changi

Thu 9/17

7:30 am-10:35 pm

2 stops28h 05m

$1,297

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 9/6

5:20 pm-5:00 am

2 stops46h 40m

Singapore Changi

Tue 9/15

7:30 am-10:35 pm

2 stops28h 05m

$1,302

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 9/10

6:00 am-11:55 pm

2 stops28h 55m

Singapore Changi

Mon 9/14

10:00 pm-4:31 pm

2 stops31h 31m

$1,303

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 9/6

5:20 pm-11:55 pm

2 stops41h 35m

Singapore Changi

Mon 9/14

10:00 pm-4:31 pm

2 stops31h 31m

$1,309

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 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

21h 40m

Direct flights

None
The fastest flight from Houston to Singapore takes 21h 40m
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 21h 40m.

  • 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
United AirlinesPriceFrom $727Free CancellationRating
7.4
9,819 reviews
Search United Airlines flights
Air CanadaPriceFrom $852Free CancellationRating
7.1
11,176 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,411 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,474 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,726 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