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Cheap flights from Houston to Singapore from $451

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 9/22. 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 - 5:55 pm
IAH
-
SIN
31h 45m
1 stop
Turkish Airlines Logo
11:10 am - 7:15 pm
SIN
-
IAH
45h 05m
1 stop
$1,076Turkish Airlines
Thu, Aug 13 - Wed, Aug 26
Multiple Airlines Logo
7:34 am - 9:35 am
IAH
-
SIN
36h 01m
2 stops
Multiple Airlines Logo
7:25 pm - 4:43 pm
SIN
-
IAH
35h 18m
2 stops
$1,082Multiple Airlines
Sun, Nov 8 - Tue, Dec 1
Multiple Airlines Logo
11:45 am - 2:35 pm
IAH
-
SIN
37h 50m
1 stop
Multiple Airlines Logo
1:10 am - 9:25 am
SIN
-
IAH
45h 15m
2 stops
$1,106Multiple Airlines
Wed, Sep 9 - Wed, Oct 7
Multiple Airlines Logo
9:55 pm - 9:30 pm
IAH
-
SIN
58h 35m
2 stops
Multiple Airlines Logo
5:15 pm - 9:25 am
SIN
-
IAH
29h 10m
1 stop
$1,114Multiple Airlines
Sat, Sep 12 - Tue, Oct 6
Delta Logo
5:20 pm - 5:00 am
HOU
-
SIN
46h 40m
2 stops
Delta Logo
7:30 am - 10:05 pm
SIN
-
HOU
27h 35m
2 stops
$1,297Delta
Thu, Aug 13 - Wed, Aug 26
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
American Airlines Logo
9:33 am - 12:20 am
HOU
-
SIN
25h 47m
2 stops
American Airlines Logo
8:05 am - 7:48 pm
SIN
-
HOU
24h 43m
2 stops
$1,307American Airlines
Thu, Sep 24 - Wed, Sep 30
Delta Logo
2:25 pm - 11:55 pm
HOU
-
SIN
44h 30m
2 stops
Delta Logo
10:00 pm - 10:40 pm
SIN
-
HOU
37h 40m
2 stops
$1,337Delta
Tue, Sep 8 - Sat, Sep 12
KLM Logo
6:00 am - 5:00 am
HOU
-
SIN
34h 00m
2 stops
KLM Logo
1:25 am - 10:05 pm
SIN
-
HOU
33h 40m
2 stops
$1,346KLM
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
9:32 am - 12:20 am
HOU
-
SIN
25h 48m
2 stops
American Airlines Logo
1:55 am - 5:44 pm
SIN
-
HOU
28h 49m
2 stops
$1,355American Airlines
Thu, Aug 20 - Thu, Sep 3

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Lufthansa flights from Houston to Singapore

Our best Lufthansa deals on Houston to Singapore flight tickets
Lufthansa
Nov 8
IAH4:35 pmHouston George Bush Intcntl
34h 50m
1 stop
SIN5:25 pmSingapore Changi
Dec 1
SIN11:55 pmSingapore Changi
32h 20m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$1,161
Lufthansa
Nov 23
IAH4:10 pmHouston George Bush Intcntl
34h 55m
1 stop
SIN5:05 pmSingapore Changi
Jan 11
SIN11:55 pmSingapore Changi
28h 05m
1 stop
IAH2:00 pmHouston George Bush Intcntl
$1,165
Lufthansa
Nov 10
IAH4:10 pmHouston George Bush Intcntl
24h 40m
1 stop
SIN6:50 amSingapore Changi
Nov 30
SIN11:55 pmSingapore Changi
32h 20m
1 stop
IAH6:15 pmHouston George Bush Intcntl
$1,172

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Aug 13
IAH9:10 pmHouston George Bush Intcntl
31h 45m
1 stop
SIN5:55 pmSingapore Changi
Aug 26
SIN11:10 amSingapore Changi
45h 05m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$1,076
Turkish Airlines
Nov 11
IAH9:00 pmHouston George Bush Intcntl
45h 45m
1 stop
SIN8:45 amSingapore Changi
Dec 4
SIN11:35 amSingapore Changi
45h 30m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$1,118
Turkish Airlines
Aug 13
IAH9:10 pmHouston George Bush Intcntl
25h 00m
1 stop
SIN11:10 amSingapore Changi
Aug 26
SIN11:10 amSingapore Changi
45h 05m
1 stop
IAH7:15 pmHouston George Bush Intcntl
$1,119

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 3, 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 8/13

9:10 pm-5:55 pm

1 stop31h 45m

Singapore Changi

Wed 8/26

11:10 am-7:15 pm

1 stop45h 05m

$1,076

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

7:34 am-9:35 am

2 stops36h 01m

Singapore Changi

Tue 12/1

7:25 pm-4:43 pm

2 stops35h 18m

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/9

11:45 am-2:35 pm

1 stop37h 50m

Singapore Changi

Wed 10/7

1:10 am-9:25 am

2 stops45h 15m

$1,106

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sat 9/12

9:55 pm-9:30 pm

2 stops58h 35m

Singapore Changi

Tue 10/6

5:15 pm-9:25 am

1 stop29h 10m

$1,114

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/13

5:20 pm-5:00 am

2 stops46h 40m

Singapore Changi

Wed 8/26

7:30 am-10:05 pm

2 stops27h 35m

$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
Quickest round-trip

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 9/24

9:33 am-12:20 am

2 stops25h 47m

Singapore Changi

Wed 9/30

8:05 am-7:48 pm

2 stops24h 43m

$1,307

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 9/8

2:25 pm-11:55 pm

2 stops44h 30m

Singapore Changi

Sat 9/12

10:00 pm-10:40 pm

2 stops37h 40m

$1,337

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/13

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Tue 8/25

1:25 am-10:05 pm

2 stops33h 40m

$1,346

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Thu 8/20

9:32 am-12:20 am

2 stops25h 48m

Singapore Changi

Thu 9/3

1:55 am-5:44 pm

2 stops28h 49m

$1,355

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?

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

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
11,291 reviews
Search Air Canada flights
United AirlinesPriceFrom $727Free CancellationRating
7.4
9,927 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,438 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,484 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,742 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