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Cheap flights from Houston to Singapore from $342

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 8/5. 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.
Multiple Airlines Logo
7:10 pm - 5:35 pm
IAH
-
SIN
33h 25m
1 stop
Multiple Airlines Logo
9:00 am - 12:03 am
SIN
-
IAH
28h 03m
1 stop
$944Multiple Airlines
Fri, Sep 11 - Tue, Sep 15
Multiple Airlines Logo
7:10 pm - 5:35 pm
IAH
-
SIN
33h 25m
1 stop
Multiple Airlines Logo
9:00 am - 12:03 am
SIN
-
IAH
28h 03m
1 stop
$956Multiple Airlines
Fri, Sep 11 - Tue, Sep 15
Multiple Airlines Logo
10:15 pm - 5:20 am
IAH
-
SIN
42h 05m
3 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$995Multiple Airlines
Tue, Sep 1 - Sun, Sep 6
Multiple Airlines Logo
6:30 am - 9:40 am
IAH
-
SIN
38h 10m
2 stops
Multiple Airlines Logo
9:00 pm - 4:39 pm
SIN
-
IAH
32h 39m
2 stops
$997Multiple Airlines
Wed, Apr 8 - Tue, Jun 16
ZIPAIR Logo
10:25 am - 11:00 pm
IAH
-
SIN
23h 35m
1 stop
ZIPAIR Logo
12:30 am - 8:25 am
SIN
-
IAH
20h 55m
1 stop
$1,009ZIPAIR
Wed, May 6 - Sun, May 10
Turkish Airlines Logo
9:05 pm - 5:55 pm
IAH
-
SIN
31h 50m
1 stop
Turkish Airlines Logo
11:05 pm - 12:45 pm
SIN
-
IAH
26h 40m
1 stop
$1,019Turkish Airlines
Tue, Sep 1 - Thu, Sep 10
Multiple Airlines Logo
6:04 am - 9:40 am
IAH
-
SIN
38h 36m
2 stops
Multiple Airlines Logo
9:00 pm - 8:36 pm
SIN
-
IAH
36h 36m
2 stops
$1,025Multiple Airlines
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
10:45 am - 2:35 pm
IAH
-
SIN
38h 50m
1 stop
Multiple Airlines Logo
11:05 pm - 8:45 am
SIN
-
IAH
22h 40m
1 stop
$1,026Multiple Airlines
Wed, Aug 12 - Tue, Aug 18
Delta Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
Delta Logo
10:00 pm - 4:09 pm
SIN
-
HOU
31h 09m
2 stops
$1,399Delta
Wed, May 6 - Mon, May 11
Delta Logo
5:23 pm - 5:00 am
HOU
-
SIN
46h 37m
2 stops
Delta Logo
1:25 am - 11:07 pm
SIN
-
HOU
34h 42m
2 stops
$1,405Delta
Tue, Apr 14 - Mon, Apr 20

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Sep 1
IAH9:05 pmHouston George Bush Intcntl
31h 50m
1 stop
SIN5:55 pmSingapore Changi
Sep 10
SIN11:05 pmSingapore Changi
26h 40m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$1,019
Turkish Airlines
May 1
IAH9:05 pmHouston George Bush Intcntl
46h 40m
1 stop
SIN8:45 amSingapore Changi
May 25
SIN11:10 amSingapore Changi
45h 00m
1 stop
IAH7:10 pmHouston George Bush Intcntl
$1,066
Turkish Airlines
Sep 1
IAH9:05 pmHouston George Bush Intcntl
31h 50m
1 stop
SIN5:55 pmSingapore Changi
Sep 6
SIN11:05 pmSingapore Changi
26h 40m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$1,077

Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Sep 1
IAH9:30 amHouston George Bush Intcntl
30h 45m
2 stops
SIN5:15 amSingapore Changi
Sep 10
SIN7:00 amSingapore Changi
43h 39m
2 stops
IAH1:39 pmHouston George Bush Intcntl
$1,042
Air Canada
Sep 11
IAH4:45 pmHouston George Bush Intcntl
23h 30m
1 stop
SIN5:15 amSingapore Changi
Sep 15
SIN7:00 amSingapore Changi
43h 39m
2 stops
IAH1:39 pmHouston George Bush Intcntl
$1,064
Air Canada
Apr 8
IAH4:32 pmHouston George Bush Intcntl
47h 43m
2 stops
SIN5:15 amSingapore Changi
Jun 16
SIN7:00 amSingapore Changi
21h 44m
1 stop
IAH3:44 pmHouston George Bush Intcntl
$1,096

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 March 22, 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 9/11

7:10 pm-5:35 pm

1 stop33h 25m

Singapore Changi

Tue 9/15

9:00 am-12:03 am

1 stop28h 03m

$944

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Fri 9/11

7:10 pm-5:35 pm

1 stop33h 25m

Singapore Changi

Tue 9/15

9:00 am-12:03 am

1 stop28h 03m

$956

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/1

10:15 pm-5:20 am

3 stops42h 05m

Singapore Changi

Sun 9/6

11:05 pm-9:45 am

1 stop23h 40m

$995

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/8

6:30 am-9:40 am

2 stops38h 10m

Singapore Changi

Tue 6/16

9:00 pm-4:39 pm

2 stops32h 39m

$997
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 5/6

10:25 am-11:00 pm

1 stop23h 35m

Singapore Changi

Sun 5/10

12:30 am-8:25 am

1 stop20h 55m

$1,009

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/1

9:05 pm-5:55 pm

1 stop31h 50m

Singapore Changi

Thu 9/10

11:05 pm-12:45 pm

1 stop26h 40m

$1,019

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 4/25

6:04 am-9:40 am

2 stops38h 36m

Singapore Changi

Sat 5/2

9:00 pm-8:36 pm

2 stops36h 36m

$1,025

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/12

10:45 am-2:35 pm

1 stop38h 50m

Singapore Changi

Tue 8/18

11:05 pm-8:45 am

1 stop22h 40m

$1,026

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 5/6

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Mon 5/11

10:00 pm-4:09 pm

2 stops31h 09m

$1,399

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 4/14

5:23 pm-5:00 am

2 stops46h 37m

Singapore Changi

Mon 4/20

1:25 am-11:07 pm

2 stops34h 42m

$1,405

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 cheapest month to fly to Singapore?

The month of February is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $1,076. If you aren’t able to travel to Singapore during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,100.

What is the cheapest Houston to Singapore Changi flight route?

Fly from Houston George Bush Intcntl to Singapore Changi for the best Houston - Singapore Changi flight prices

How far in advance should I book a flight 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 $1,204 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.

What cabin class options are available on Houston to Singapore Changi flights?

There are 2 cabin classes available to choose from on Houston to Singapore Changi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 35m

Direct flights

None
The fastest flight from Houston to Singapore takes 21h 35m
There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.
Search flight deals

  • 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 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
10,834 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
54 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.3
4,272 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $937Free CancellationRating
7.4
9,459 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.4
1,381 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,128Free CancellationRating
7.4
3,733 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
ZIPAIR
Qatar Airways