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Cheap flights from Houston to Singapore from $504

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 8/21. 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.
Etihad Airways Logo
9:09 am - 9:35 am
IAH
-
SIN
34h 26m
2 stops
Etihad Airways Logo
7:25 pm - 1:26 pm
SIN
-
IAH
32h 01m
2 stops
$1,075Etihad Airways
Wed, Nov 11 - Fri, Dec 4
Multiple Airlines Logo
2:34 pm - 9:05 am
IAH
-
SIN
29h 31m
2 stops
Multiple Airlines Logo
7:00 am - 3:37 pm
SIN
-
IAH
21h 37m
1 stop
$1,079Multiple Airlines
Wed, Sep 2 - Tue, Sep 8
Multiple Airlines Logo
2:52 pm - 1:15 pm
IAH
-
SIN
33h 23m
2 stops
Multiple Airlines Logo
8:40 am - 2:38 pm
SIN
-
IAH
19h 58m
1 stop
$1,080Multiple Airlines
Tue, Oct 20 - Tue, Nov 3
Turkish Airlines Logo
9:00 pm - 8:45 am
IAH
-
SIN
45h 45m
1 stop
Turkish Airlines Logo
11:35 am - 7:05 pm
SIN
-
IAH
45h 30m
1 stop
$1,118Turkish Airlines
Wed, Nov 11 - Fri, Dec 4
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
$1,121Turkish Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
2:25 pm - 7:15 pm
HOU
-
SIN
39h 50m
2 stops
Delta Logo
10:40 am - 11:09 pm
SIN
-
HOU
26h 29m
2 stops
$1,296Delta
Wed, Sep 30 - Tue, Nov 3
Delta Logo
10:50 am - 7:15 pm
HOU
-
SIN
43h 25m
2 stops
Delta Logo
10:00 pm - 10:05 pm
SIN
-
HOU
37h 05m
2 stops
$1,297Delta
Tue, Aug 18 - Tue, Aug 25
Korean Air Logo
6:00 am - 11:55 pm
HOU
-
SIN
28h 55m
2 stops
Korean Air Logo
10:00 pm - 1:19 pm
SIN
-
HOU
28h 19m
2 stops
$1,302Korean Air
Thu, Sep 10 - Mon, Sep 14
Korean Air Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
Korean Air Logo
10:40 am - 2:04 pm
SIN
-
HOU
41h 24m
2 stops
$1,342Korean Air
Fri, Oct 2 - Tue, Nov 3
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
Mon, Jul 20 - Mon, Aug 24

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Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Aug 4
IAH9:39 amHouston George Bush Intcntl
30h 36m
2 stops
SIN5:15 amSingapore Changi
Aug 13
SIN7:00 amSingapore Changi
43h 23m
2 stops
IAH1:23 pmHouston George Bush Intcntl
$1,151
Air Canada
Aug 4
IAH4:50 pmHouston George Bush Intcntl
23h 25m
1 stop
SIN5:15 amSingapore Changi
Aug 11
SIN7:00 amSingapore Changi
21h 51m
1 stop
IAH3:51 pmHouston George Bush Intcntl
$1,164
Air Canada
Aug 5
IAH4:35 pmHouston George Bush Intcntl
47h 40m
2 stops
SIN5:15 amSingapore Changi
Aug 11
SIN7:00 amSingapore Changi
21h 51m
1 stop
IAH3:51 pmHouston George Bush Intcntl
$1,166

American Airlines flights from Houston to Singapore

Our best American Airlines deals on Houston to Singapore flight tickets
American Airlines
Jul 20
HOU6:03 amHouston Hobby
29h 17m
2 stops
SIN12:20 amSingapore Changi
Aug 24
SIN1:55 amSingapore Changi
28h 49m
2 stops
HOU5:44 pmHouston Hobby
$1,413
American Airlines
Aug 21
HOU9:32 amHouston Hobby
25h 48m
2 stops
SIN12:20 amSingapore Changi
Aug 27
SIN1:55 amSingapore Changi
28h 49m
2 stops
HOU5:44 pmHouston Hobby
$1,516
American Airlines
Nov 11
HOU10:11 amHouston Hobby
30h 24m
2 stops
SIN6:35 amSingapore Changi
Dec 4
SIN8:15 amSingapore Changi
23h 44m
2 stops
HOU5:59 pmHouston Hobby
$1,659

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 8, 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

Wed 11/11

9:09 am-9:35 am

2 stops34h 26m

Singapore Changi

Fri 12/4

7:25 pm-1:26 pm

2 stops32h 01m

$1,075
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/2

2:34 pm-9:05 am

2 stops29h 31m

Singapore Changi

Tue 9/8

7:00 am-3:37 pm

1 stop21h 37m

$1,079

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/20

2:52 pm-1:15 pm

2 stops33h 23m

Singapore Changi

Tue 11/3

8:40 am-2:38 pm

1 stop19h 58m

$1,080

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 11/11

9:00 pm-8:45 am

1 stop45h 45m

Singapore Changi

Fri 12/4

11:35 am-7:05 pm

1 stop45h 30m

$1,118

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/29

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

Tue 10/6

10:25 am-7:15 pm

1 stop45h 50m

$1,121

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 9/30

2:25 pm-7:15 pm

2 stops39h 50m

Singapore Changi

Tue 11/3

10:40 am-11:09 pm

2 stops26h 29m

$1,296

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 8/18

10:50 am-7:15 pm

2 stops43h 25m

Singapore Changi

Tue 8/25

10:00 pm-10:05 pm

2 stops37h 05m

$1,297

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-1:19 pm

2 stops28h 19m

$1,302

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Fri 10/2

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Tue 11/3

10:40 am-2:04 pm

2 stops41h 24m

$1,342

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Mon 7/20

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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
Air CanadaPriceFrom $712Free CancellationRating
7.1
11,321 reviews
Search Air Canada flights
United AirlinesPriceFrom $727Free CancellationRating
7.4
9,947 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,439 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,489 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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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