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Cheap flights from Houston to Singapore from $453

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 11/19. 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
2:30 pm - 8:45 am
IAH
-
SIN
29h 15m
1 stop
Turkish Airlines Logo
10:25 am - 7:20 pm
SIN
-
IAH
45h 55m
1 stop
$998Turkish Airlines
Mon, Sep 7 - Sun, Sep 20
Turkish Airlines Logo
9:00 pm - 5:40 pm
IAH
-
SIN
30h 40m
1 stop
Turkish Airlines Logo
5:10 am - 7:05 pm
SIN
-
IAH
27h 55m
1 stop
$999Turkish Airlines
Mon, Nov 16 - Sat, Nov 21
Multiple Airlines Logo
11:44 am - 9:35 am
IAH
-
SIN
31h 51m
2 stops
Multiple Airlines Logo
7:25 pm - 4:15 pm
SIN
-
IAH
34h 50m
2 stops
$1,049Multiple Airlines
Tue, Nov 10 - Sun, Nov 15
Multiple Airlines Logo
10:09 pm - 12:45 am
IAH
-
SIN
37h 36m
2 stops
Multiple Airlines Logo
9:30 am - 9:25 am
SIN
-
IAH
36h 55m
2 stops
$1,079Multiple Airlines
Mon, Sep 21 - Tue, Oct 6
Air Canada Logo
4:45 pm - 5:15 am
IAH
-
SIN
23h 30m
1 stop
Air Canada Logo
7:00 am - 1:23 pm
SIN
-
IAH
43h 23m
2 stops
$1,151Air Canada
Thu, Sep 10 - Thu, Sep 17
Air Canada Logo
4:32 pm - 5:15 am
IAH
-
SIN
47h 43m
2 stops
Air Canada Logo
8:40 am - 2:38 pm
SIN
-
IAH
19h 58m
1 stop
$1,167Air Canada
Wed, Oct 14 - Tue, Nov 3
EVA Air Logo
1:35 am - 1:55 pm
IAH
-
SIN
23h 20m
1 stop
EVA Air Logo
3:20 pm - 10:25 pm
SIN
-
IAH
20h 05m
1 stop
$1,224EVA Air
Mon, Aug 24 - Fri, Sep 11
EVA Air Logo
1:35 am - 1:55 pm
IAH
-
SIN
23h 20m
1 stop
EVA Air Logo
3:20 pm - 10:50 pm
SIN
-
IAH
20h 30m
1 stop
$1,252EVA Air
Sun, Aug 23 - Mon, Aug 31
United Airlines Logo
7:20 pm - 8:00 am
IAH
-
SIN
22h 40m
1 stop
United Airlines Logo
10:20 pm - 6:10 am
SIN
-
IAH
21h 50m
2 stops
$1,277United Airlines
Tue, Nov 3 - Wed, Nov 25
United Airlines Logo
6:35 pm - 8:00 am
IAH
-
SIN
23h 25m
1 stop
United Airlines Logo
10:20 pm - 6:10 am
SIN
-
IAH
21h 50m
2 stops
$1,277United Airlines
Wed, Nov 4 - Wed, Nov 25

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Etihad Airways flights from Houston to Singapore

Our best Etihad Airways deals on Houston to Singapore flight tickets
Etihad Airways
Sep 9
IAH11:45 amHouston George Bush Intcntl
32h 55m
2 stops
SIN9:40 amSingapore Changi
Sep 22
SIN9:00 pmSingapore Changi
56h 20m
2 stops
IAH4:20 pmHouston George Bush Intcntl
$1,089
Etihad Airways
Oct 14
IAH11:45 amHouston George Bush Intcntl
32h 55m
2 stops
SIN9:40 amSingapore Changi
Nov 2
SIN7:25 pmSingapore Changi
58h 50m
2 stops
IAH4:15 pmHouston George Bush Intcntl
$1,149

Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Sep 10
IAH4:45 pmHouston George Bush Intcntl
23h 30m
1 stop
SIN5:15 amSingapore Changi
Sep 17
SIN7:00 amSingapore Changi
43h 23m
2 stops
IAH1:23 pmHouston George Bush Intcntl
$1,151
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
Oct 14
IAH4:32 pmHouston George Bush Intcntl
47h 43m
2 stops
SIN5:15 amSingapore Changi
Nov 3
SIN8:40 amSingapore Changi
19h 58m
1 stop
IAH2:38 pmHouston George Bush Intcntl
$1,167

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 28, 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

Mon 9/7

2:30 pm-8:45 am

1 stop29h 15m

Singapore Changi

Sun 9/20

10:25 am-7:20 pm

1 stop45h 55m

$998

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 11/16

9:00 pm-5:40 pm

1 stop30h 40m

Singapore Changi

Sat 11/21

5:10 am-7:05 pm

1 stop27h 55m

$999

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 11/10

11:44 am-9:35 am

2 stops31h 51m

Singapore Changi

Sun 11/15

7:25 pm-4:15 pm

2 stops34h 50m

$1,049

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 9/21

10:09 pm-12:45 am

2 stops37h 36m

Singapore Changi

Tue 10/6

9:30 am-9:25 am

2 stops36h 55m

$1,079

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Thu 9/10

4:45 pm-5:15 am

1 stop23h 30m

Singapore Changi

Thu 9/17

7:00 am-1:23 pm

2 stops43h 23m

$1,151

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 10/14

4:32 pm-5:15 am

2 stops47h 43m

Singapore Changi

Tue 11/3

8:40 am-2:38 pm

1 stop19h 58m

$1,167
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 8/24

1:35 am-1:55 pm

1 stop23h 20m

Singapore Changi

Fri 9/11

3:20 pm-10:25 pm

1 stop20h 05m

$1,224

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 8/23

1:35 am-1:55 pm

1 stop23h 20m

Singapore Changi

Mon 8/31

3:20 pm-10:50 pm

1 stop20h 30m

$1,252

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 11/3

7:20 pm-8:00 am

1 stop22h 40m

Singapore Changi

Wed 11/25

10:20 pm-6:10 am

2 stops21h 50m

$1,277

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 11/4

6:35 pm-8:00 am

1 stop23h 25m

Singapore Changi

Wed 11/25

10:20 pm-6:10 am

2 stops21h 50m

$1,277

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,113 to $1,436.
The lowest price recently found on this route was $993.

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 $1,090.

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
11,405 reviews
Search Air Canada flights
United AirlinesPriceFrom $727Free CancellationRating
7.4
10,051 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $876Free CancellationRating
7.4
4,455 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,506 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,743 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
Qatar Airways
Turkish Airlines