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Cheap flights from Houston to Singapore from $448

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
0 bags

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Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
9:05 pm - 5:35 pm
IAH
-
SIN
30h 30m
1 stop
Turkish Airlines Logo
10:25 am - 7:10 pm
SIN
-
IAH
46h 45m
1 stop
$1,035Turkish Airlines
Sun, Nov 8 - Tue, Dec 1
Turkish Airlines Logo
9:05 pm - 5:35 pm
IAH
-
SIN
30h 30m
1 stop
Turkish Airlines Logo
10:25 am - 7:10 pm
SIN
-
IAH
46h 45m
1 stop
$1,038Turkish Airlines
Sun, Nov 8 - Tue, Dec 1
Multiple Airlines Logo
11:45 am - 5:20 am
IAH
-
SIN
28h 35m
2 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,046Multiple Airlines
Fri, Sep 11 - Sun, Sep 27
Multiple Airlines Logo
7:00 am - 9:40 am
IAH
-
SIN
37h 40m
2 stops
Multiple Airlines Logo
9:00 pm - 11:58 pm
SIN
-
IAH
39h 58m
2 stops
$1,082Multiple Airlines
Fri, Aug 21 - Fri, Aug 28
Multiple Airlines Logo
11:26 am - 9:40 am
IAH
-
SIN
33h 14m
2 stops
Multiple Airlines Logo
9:00 pm - 10:27 pm
SIN
-
IAH
38h 27m
2 stops
$1,083Multiple Airlines
Sat, Jul 18 - Sat, Aug 1
Turkish Airlines Logo
9:05 pm - 5:35 pm
IAH
-
SIN
30h 30m
1 stop
Turkish Airlines Logo
10:25 am - 7:10 pm
SIN
-
IAH
46h 45m
1 stop
$1,084Turkish Airlines
Sun, Nov 8 - Tue, Dec 1
Qatar Airways Logo
6:15 pm - 3:45 pm
IAH
-
SIN
32h 30m
1 stop
Qatar Airways Logo
7:40 pm - 3:55 pm
SIN
-
IAH
33h 15m
1 stop
$1,104Qatar Airways
Mon, Sep 14 - Wed, Sep 23
Qatar Airways Logo
6:15 pm - 3:45 pm
IAH
-
SIN
32h 30m
1 stop
Qatar Airways Logo
7:40 pm - 3:55 pm
SIN
-
IAH
33h 15m
1 stop
$1,108Qatar Airways
Sun, Aug 30 - Fri, Sep 11
Finnair Logo
9:33 am - 6:30 pm
HOU
-
SIN
43h 57m
2 stops
Finnair Logo
9:35 pm - 7:51 pm
SIN
-
HOU
35h 16m
2 stops
$1,364Finnair
Sat, Sep 12 - Sat, Sep 26
Finnair Logo
9:30 am - 6:30 pm
HOU
-
SIN
44h 00m
2 stops
Finnair Logo
9:35 pm - 7:51 pm
SIN
-
HOU
35h 16m
2 stops
$1,445Finnair
Mon, Jun 15 - Tue, Aug 11

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Nov 8
IAH9:05 pmHouston George Bush Intcntl
30h 30m
1 stop
SIN5:35 pmSingapore Changi
Dec 1
SIN10:25 amSingapore Changi
46h 45m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,035
Turkish Airlines
Nov 8
IAH9:05 pmHouston George Bush Intcntl
30h 30m
1 stop
SIN5:35 pmSingapore Changi
Dec 1
SIN10:25 amSingapore Changi
46h 45m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,038
Turkish Airlines
Nov 8
IAH9:05 pmHouston George Bush Intcntl
30h 30m
1 stop
SIN5:35 pmSingapore Changi
Dec 1
SIN10:25 amSingapore Changi
46h 45m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,084

Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Nov 8
IAH5:25 pmHouston George Bush Intcntl
23h 35m
1 stop
SIN7:00 amSingapore Changi
Dec 1
SIN8:50 amSingapore Changi
42h 44m
2 stops
IAH1:34 pmHouston George Bush Intcntl
$1,138
Air Canada
Oct 28
IAH5:25 pmHouston George Bush Intcntl
24h 35m
1 stop
SIN7:00 amSingapore Changi
Nov 1
SIN8:50 amSingapore Changi
48h 10m
2 stops
IAH8:00 pmHouston George Bush Intcntl
$1,161
Air Canada
Nov 8
IAH9:35 amHouston George Bush Intcntl
31h 25m
2 stops
SIN7:00 amSingapore Changi
Dec 1
SIN8:50 amSingapore Changi
21h 34m
1 stop
IAH4:24 pmHouston George Bush Intcntl
$1,168

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 May 12, 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

Sun 11/8

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Tue 12/1

10:25 am-7:10 pm

1 stop46h 45m

$1,035

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Tue 12/1

10:25 am-7:10 pm

1 stop46h 45m

$1,038
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 9/11

11:45 am-5:20 am

2 stops28h 35m

Singapore Changi

Sun 9/27

11:05 pm-9:45 am

1 stop23h 40m

$1,046

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 8/21

7:00 am-9:40 am

2 stops37h 40m

Singapore Changi

Fri 8/28

9:00 pm-11:58 pm

2 stops39h 58m

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 7/18

11:26 am-9:40 am

2 stops33h 14m

Singapore Changi

Sat 8/1

9:00 pm-10:27 pm

2 stops38h 27m

$1,083

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

9:05 pm-5:35 pm

1 stop30h 30m

Singapore Changi

Tue 12/1

10:25 am-7:10 pm

1 stop46h 45m

$1,084

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 9/14

6:15 pm-3:45 pm

1 stop32h 30m

Singapore Changi

Wed 9/23

7:40 pm-3:55 pm

1 stop33h 15m

$1,104

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 8/30

6:15 pm-3:45 pm

1 stop32h 30m

Singapore Changi

Fri 9/11

7:40 pm-3:55 pm

1 stop33h 15m

$1,108

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 9/12

9:33 am-6:30 pm

2 stops43h 57m

Singapore Changi

Sat 9/26

9:35 pm-7:51 pm

2 stops35h 16m

$1,364

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 6/15

9:30 am-6:30 pm

2 stops44h 00m

Singapore Changi

Tue 8/11

9:35 pm-7:51 pm

2 stops35h 16m

$1,445

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?

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.

How far in advance should I book a flight from Houston 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 $1,254 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.

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

28h 35m

Direct flights

None
The fastest flight from Houston to Singapore takes 28h 35m
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 28h 35m.

  • 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 $852Free CancellationRating
7.1
11,026 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
55 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,362 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,024Free CancellationRating
7.4
9,706 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,445 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.4
3,728 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
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Air Canada
Turkish Airlines
Qatar Airways
ZIPAIR