Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Houston to Singapore from $475

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 9/1. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
2:24 pm - 5:45 pm
IAH
-
SIN
37h 21m
1 stop
Singapore Airlines Logo
9:00 am - 12:03 am
SIN
-
IAH
29h 03m
1 stop
$983Singapore Airlines
Sat, Nov 7 - Tue, Dec 1
Multiple Airlines Logo
2:34 pm - 5:35 pm
IAH
-
SIN
38h 01m
1 stop
Multiple Airlines Logo
9:00 am - 11:59 pm
SIN
-
IAH
27h 59m
1 stop
$1,054Multiple Airlines
Wed, Sep 23 - Sat, Oct 3
Multiple Airlines Logo
6:00 am - 9:35 am
IAH
-
SIN
37h 35m
2 stops
Multiple Airlines Logo
7:25 pm - 8:26 pm
SIN
-
IAH
39h 01m
2 stops
$1,082Multiple Airlines
Sun, Nov 8 - Mon, Nov 30
Multiple Airlines Logo
11:26 am - 9:40 am
IAH
-
SIN
33h 14m
2 stops
Multiple Airlines Logo
7:25 pm - 4:15 pm
SIN
-
IAH
34h 50m
2 stops
$1,084Multiple Airlines
Tue, Oct 13 - Tue, Nov 17
Multiple Airlines Logo
2:34 pm - 1:15 pm
IAH
-
SIN
33h 41m
2 stops
Multiple Airlines Logo
7:00 am - 3:37 pm
SIN
-
IAH
21h 37m
1 stop
$1,114Multiple Airlines
Tue, Sep 1 - Thu, Sep 17
Turkish Airlines Logo
9:00 pm - 5:40 pm
IAH
-
SIN
30h 40m
1 stop
Turkish Airlines Logo
10:25 am - 7:05 pm
SIN
-
IAH
46h 40m
1 stop
$1,119Turkish Airlines
Sun, Nov 8 - Tue, Dec 1
Multiple Airlines Logo
11:45 am - 12:05 am
IAH
-
SIN
47h 20m
2 stops
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,123Multiple Airlines
Mon, Sep 7 - Tue, Sep 29
Multiple Airlines Logo
11:45 am - 2:35 pm
IAH
-
SIN
37h 50m
1 stop
Multiple Airlines Logo
11:05 pm - 9:45 am
SIN
-
IAH
23h 40m
1 stop
$1,127Multiple Airlines
Wed, Sep 9 - Tue, Sep 29
Finnair Logo
9:33 am - 6:40 pm
HOU
-
SIN
44h 07m
2 stops
Finnair Logo
10:05 pm - 11:57 pm
SIN
-
HOU
39h 52m
2 stops
$1,359Finnair
Sat, Oct 31 - Fri, Nov 20
Finnair Logo
12:14 pm - 6:30 pm
HOU
-
SIN
41h 16m
2 stops
Finnair Logo
9:35 pm - 7:48 pm
SIN
-
HOU
35h 13m
2 stops
$1,362Finnair
Tue, Sep 8 - Mon, Sep 28

Qatar Airways flights from Houston to Singapore

Our best Qatar Airways deals on Houston to Singapore flight tickets
Qatar Airways
Nov 11
HOU8:20 pmHouston Hobby
28h 35m
2 stops
SIN2:55 pmSingapore Changi
Dec 4
SIN10:15 amSingapore Changi
45h 44m
2 stops
HOU5:59 pmHouston Hobby
$1,725
Qatar Airways
Oct 1
HOU1:56 pmHouston Hobby
29h 54m
2 stops
SIN8:50 amSingapore Changi
Oct 7
SIN3:15 amSingapore Changi
29h 36m
2 stops
HOU7:51 pmHouston Hobby
$1,738
Qatar Airways
Sep 1
HOU3:57 pmHouston Hobby
34h 48m
2 stops
SIN3:45 pmSingapore Changi
Sep 17
SIN7:40 pmSingapore Changi
33h 03m
2 stops
HOU3:43 pmHouston Hobby
$1,742

Turkish Airlines flights from Houston to Singapore

Our best Turkish Airlines deals on Houston to Singapore flight tickets
Turkish Airlines
Nov 8
IAH9:00 pmHouston George Bush Intcntl
30h 40m
1 stop
SIN5:40 pmSingapore Changi
Dec 1
SIN10:25 amSingapore Changi
46h 40m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$1,119
Turkish Airlines
Nov 8
IAH9:00 pmHouston George Bush Intcntl
30h 40m
1 stop
SIN5:40 pmSingapore Changi
Dec 1
SIN10:25 amSingapore Changi
46h 40m
1 stop
IAH7:05 pmHouston George Bush Intcntl
$1,159
Turkish Airlines
Oct 1
IAH9:10 pmHouston George Bush Intcntl
25h 00m
1 stop
SIN11:10 amSingapore Changi
Oct 8
SIN10:25 amSingapore Changi
39h 20m
1 stop
IAH12:45 pmHouston George Bush Intcntl
$1,165

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 1, 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

Sat 11/7

2:24 pm-5:45 pm

1 stop37h 21m

Singapore Changi

Tue 12/1

9:00 am-12:03 am

1 stop29h 03m

$983

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/23

2:34 pm-5:35 pm

1 stop38h 01m

Singapore Changi

Sat 10/3

9:00 am-11:59 pm

1 stop27h 59m

$1,054

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-8:26 pm

2 stops39h 01m

$1,082

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 10/13

11:26 am-9:40 am

2 stops33h 14m

Singapore Changi

Tue 11/17

7:25 pm-4:15 pm

2 stops34h 50m

$1,084
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/1

2:34 pm-1:15 pm

2 stops33h 41m

Singapore Changi

Thu 9/17

7:00 am-3:37 pm

1 stop21h 37m

$1,114

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Sun 11/8

9:00 pm-5:40 pm

1 stop30h 40m

Singapore Changi

Tue 12/1

10:25 am-7:05 pm

1 stop46h 40m

$1,119

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 9/7

11:45 am-12:05 am

2 stops47h 20m

Singapore Changi

Tue 9/29

11:05 pm-9:45 am

1 stop23h 40m

$1,123

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/9

11:45 am-2:35 pm

1 stop37h 50m

Singapore Changi

Tue 9/29

11:05 pm-9:45 am

1 stop23h 40m

$1,127

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sat 10/31

9:33 am-6:40 pm

2 stops44h 07m

Singapore Changi

Fri 11/20

10:05 pm-11:57 pm

2 stops39h 52m

$1,359

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 9/8

12:14 pm-6:30 pm

2 stops41h 16m

Singapore Changi

Mon 9/28

9:35 pm-7:48 pm

2 stops35h 13m

$1,362

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.

How far in advance should I book a flight from Houston 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 $1,254 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.

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

30h 36m

Direct flights

None
The fastest flight from Houston to Singapore takes 30h 36m
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 30h 36m.

  • 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
9,776 reviews
Search United Airlines flights
Air CanadaPriceFrom $852Free CancellationRating
7.1
11,109 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,408 reviews
Search Turkish Airlines flights
EVA AirPriceFrom $1,004Free CancellationRating
8.5
1,465 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.4
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.

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/1
Wed 7/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

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