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Cheap flights from Houston to Singapore from $522

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 7/20. 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.
Multiple Airlines Logo
11:45 am - 9:40 am
IAH
-
SIN
32h 55m
2 stops
Multiple Airlines Logo
7:25 pm - 4:12 pm
SIN
-
IAH
33h 47m
2 stops
$1,081Multiple Airlines
Tue, Oct 20 - Fri, Oct 30
Multiple Airlines Logo
6:00 am - 9:35 am
IAH
-
SIN
37h 35m
2 stops
Multiple Airlines Logo
7:25 pm - 11:32 pm
SIN
-
IAH
42h 07m
2 stops
$1,082Multiple Airlines
Sun, Nov 8 - Mon, Nov 30
Multiple Airlines Logo
6:09 am - 12:45 am
IAH
-
SIN
29h 36m
2 stops
Multiple Airlines Logo
7:00 am - 3:37 pm
SIN
-
IAH
21h 37m
1 stop
$1,132Multiple Airlines
Wed, Oct 7 - Tue, Oct 13
Turkish Airlines Logo
9:00 pm - 8:45 am
IAH
-
SIN
45h 45m
1 stop
Turkish Airlines Logo
11:15 pm - 7:05 pm
SIN
-
IAH
33h 50m
1 stop
$1,139Turkish Airlines
Wed, Nov 11 - Fri, Dec 4
Air Canada Logo
4:32 pm - 5:15 am
IAH
-
SIN
47h 43m
2 stops
Air Canada Logo
7:00 am - 1:23 pm
SIN
-
IAH
43h 23m
2 stops
$1,143Air Canada
Wed, Oct 7 - Tue, Oct 13
Air Canada Logo
4:32 pm - 5:15 am
IAH
-
SIN
47h 43m
2 stops
Air Canada Logo
7:00 am - 3:37 pm
SIN
-
IAH
21h 37m
1 stop
$1,167Air Canada
Wed, Oct 7 - Tue, Oct 13
Delta Logo
6:00 am - 11:55 pm
HOU
-
SIN
28h 55m
2 stops
Delta Logo
1:25 am - 10:05 pm
SIN
-
HOU
33h 40m
2 stops
$1,297Delta
Tue, Aug 4 - Mon, Aug 24
Delta Logo
5:26 pm - 5:00 am
HOU
-
SIN
46h 34m
2 stops
Delta Logo
7:30 am - 10:35 pm
SIN
-
HOU
28h 05m
2 stops
$1,302Delta
Sun, Sep 20 - Mon, Oct 5
Korean Air Logo
6:00 am - 11:55 pm
HOU
-
SIN
28h 55m
2 stops
Korean Air Logo
10:00 pm - 4:30 pm
SIN
-
HOU
31h 30m
2 stops
$1,303Korean Air
Wed, Sep 16 - Wed, Oct 7
Korean Air Logo
5:26 pm - 11:55 pm
HOU
-
SIN
41h 29m
2 stops
Korean Air Logo
10:00 pm - 12:14 pm
SIN
-
HOU
27h 14m
2 stops
$1,309Korean Air
Sun, Sep 20 - Wed, Oct 7

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Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Nov 11
IAH9:00 pmHouston George Bush Intcntl
45h 45m
1 stop
SIN8:45 amSingapore Changi
Dec 4
SIN11:15 pmSingapore Changi
33h 50m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$1,139
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
$1,201
Turkish Airlines
Sep 18
IAH2:30 pmHouston George Bush Intcntl
29h 15m
1 stop
SIN8:45 amSingapore Changi
Oct 1
SIN10:25 amSingapore Changi
39h 20m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$1,229

Delta flights from Houston to Singapore

Our best Delta deals on Houston to Singapore flight tickets
Delta
Aug 4
HOU6:00 amHouston Hobby
28h 55m
2 stops
SIN11:55 pmSingapore Changi
Aug 24
SIN1:25 amSingapore Changi
33h 40m
2 stops
HOU10:05 pmHouston Hobby
$1,297
Delta
Sep 20
HOU5:26 pmHouston Hobby
46h 34m
2 stops
SIN5:00 amSingapore Changi
Oct 5
SIN7:30 amSingapore Changi
28h 05m
2 stops
HOU10:35 pmHouston Hobby
$1,302
Delta
Sep 19
HOU5:35 pmHouston Hobby
36h 40m
2 stops
SIN7:15 pmSingapore Changi
Oct 5
SIN7:30 amSingapore Changi
28h 05m
2 stops
HOU10:35 pmHouston Hobby
$1,337

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 June 19, 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

Tue 10/20

11:45 am-9:40 am

2 stops32h 55m

Singapore Changi

Fri 10/30

7:25 pm-4:12 pm

2 stops33h 47m

$1,081

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

6:00 am-9:35 am

2 stops37h 35m

Singapore Changi

Mon 11/30

7:25 pm-11:32 pm

2 stops42h 07m

$1,082
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 10/7

6:09 am-12:45 am

2 stops29h 36m

Singapore Changi

Tue 10/13

7:00 am-3:37 pm

1 stop21h 37m

$1,132

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

11:15 pm-7:05 pm

1 stop33h 50m

$1,139

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 10/7

4:32 pm-5:15 am

2 stops47h 43m

Singapore Changi

Tue 10/13

7:00 am-1:23 pm

2 stops43h 23m

$1,143

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 10/7

4:32 pm-5:15 am

2 stops47h 43m

Singapore Changi

Tue 10/13

7:00 am-3:37 pm

1 stop21h 37m

$1,167

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 8/4

6:00 am-11:55 pm

2 stops28h 55m

Singapore Changi

Mon 8/24

1:25 am-10:05 pm

2 stops33h 40m

$1,297

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 9/20

5:26 pm-5:00 am

2 stops46h 34m

Singapore Changi

Mon 10/5

7:30 am-10:35 pm

2 stops28h 05m

$1,302

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 9/16

6:00 am-11:55 pm

2 stops28h 55m

Singapore Changi

Wed 10/7

10:00 pm-4:30 pm

2 stops31h 30m

$1,303

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 9/20

5:26 pm-11:55 pm

2 stops41h 29m

Singapore Changi

Wed 10/7

10:00 pm-12:14 pm

2 stops27h 14m

$1,309

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.

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
United AirlinesPriceFrom $727Free CancellationRating
7.4
9,866 reviews
Search United Airlines flights
Air CanadaPriceFrom $852Free CancellationRating
7.1
11,225 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,410 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,478 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.3
3,729 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