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Cheap flights from Houston to Singapore from $507

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 10/21. 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
0 bags

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Find the cheapest flights from Houston to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
ZIPAIR Logo
11:45 am - 11:00 pm
IAH
-
SIN
22h 15m
1 stop
ZIPAIR Logo
12:30 am - 9:45 am
SIN
-
IAH
22h 15m
1 stop
$976ZIPAIR
Wed, Sep 23 - Tue, Sep 29
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
6:00 am - 9:35 am
IAH
-
SIN
37h 35m
2 stops
Multiple Airlines Logo
7:25 pm - 4:36 pm
SIN
-
IAH
35h 11m
2 stops
$1,080Multiple Airlines
Mon, Nov 9 - Tue, Dec 1
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
2:34 pm - 9:05 am
IAH
-
SIN
29h 31m
2 stops
Multiple Airlines Logo
8:50 pm - 3:37 pm
SIN
-
IAH
31h 47m
2 stops
$1,115Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
Turkish Airlines Logo
9:00 pm - 8:45 am
IAH
-
SIN
45h 45m
1 stop
Turkish Airlines Logo
10:25 am - 7:05 pm
SIN
-
IAH
46h 40m
1 stop
$1,116Turkish Airlines
Mon, Nov 9 - Tue, Dec 1
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
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
$1,131Multiple Airlines
Thu, Oct 1 - Tue, Oct 13
Finnair Logo
9:33 am - 6:30 pm
HOU
-
SIN
43h 57m
2 stops
Finnair Logo
9:35 pm - 11:50 pm
SIN
-
HOU
39h 15m
2 stops
$1,359Finnair
Fri, Sep 11 - Sat, Sep 26
Finnair Logo
9:05 am - 6:40 pm
HOU
-
SIN
43h 35m
2 stops
Finnair Logo
10:05 pm - 11:57 pm
SIN
-
HOU
39h 52m
2 stops
$1,363Finnair
Sun, Nov 1 - Fri, Nov 20

Singapore Airlines flights from Houston to Singapore

Our best Singapore Airlines deals on Houston to Singapore flight tickets
Singapore Airlines
Nov 7
IAH2:24 pmHouston George Bush Intcntl
37h 21m
1 stop
SIN5:45 pmSingapore Changi
Dec 1
SIN9:00 amSingapore Changi
29h 03m
1 stop
IAH12:03 amHouston George Bush Intcntl
$983
Singapore Airlines
Nov 4
IAH11:44 amHouston George Bush Intcntl
29h 06m
2 stops
SIN6:50 amSingapore Changi
Nov 17
SIN9:00 amSingapore Changi
28h 58m
1 stop
IAH11:58 pmHouston George Bush Intcntl
$1,193
Singapore Airlines
Nov 11
IAH11:44 amHouston George Bush Intcntl
29h 06m
2 stops
SIN6:50 amSingapore Changi
Dec 4
SIN9:00 amSingapore Changi
29h 03m
1 stop
IAH12:03 amHouston George Bush Intcntl
$1,220

Air Canada flights from Houston to Singapore

Our best Air Canada deals on Houston to Singapore flight tickets
Air Canada
Oct 1
IAH4:45 pmHouston George Bush Intcntl
23h 30m
1 stop
SIN5:15 amSingapore Changi
Oct 13
SIN7:00 amSingapore Changi
43h 39m
2 stops
IAH1:39 pmHouston George Bush Intcntl
$1,202
Air Canada
Oct 6
IAH4:45 pmHouston George Bush Intcntl
23h 30m
1 stop
SIN5:15 amSingapore Changi
Oct 13
SIN7:00 amSingapore Changi
21h 37m
1 stop
IAH3:37 pmHouston George Bush Intcntl
$1,216
Air Canada
Nov 8
IAH6:10 pmHouston George Bush Intcntl
22h 50m
1 stop
SIN7:00 amSingapore Changi
Dec 1
SIN8:50 amSingapore Changi
42h 44m
2 stops
IAH1:34 pmHouston George Bush Intcntl
$1,227

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 May 27, 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
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 9/23

11:45 am-11:00 pm

1 stop22h 15m

Singapore Changi

Tue 9/29

12:30 am-9:45 am

1 stop22h 15m

$976

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

Mon 11/9

6:00 am-9:35 am

2 stops37h 35m

Singapore Changi

Tue 12/1

7:25 pm-4:36 pm

2 stops35h 11m

$1,080

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

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Tue 9/1

2:34 pm-9:05 am

2 stops29h 31m

Singapore Changi

Tue 9/15

8:50 pm-3:37 pm

2 stops31h 47m

$1,115

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 11/9

9:00 pm-8:45 am

1 stop45h 45m

Singapore Changi

Tue 12/1

10:25 am-7:05 pm

1 stop46h 40m

$1,116

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

Thu 10/1

2:34 pm-5:35 pm

1 stop38h 01m

Singapore Changi

Tue 10/13

9:00 am-11:59 pm

1 stop27h 59m

$1,131

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Fri 9/11

9:33 am-6:30 pm

2 stops43h 57m

Singapore Changi

Sat 9/26

9:35 pm-11:50 pm

2 stops39h 15m

$1,359

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 11/1

9:05 am-6:40 pm

2 stops43h 35m

Singapore Changi

Fri 11/20

10:05 pm-11:57 pm

2 stops39h 52m

$1,363

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.

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

22h 50m

Direct flights

None
The fastest flight from Houston to Singapore takes 22h 50m
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 50m.

  • 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 $852Free CancellationRating
7.1
11,092 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.4
4,396 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $1,024Free CancellationRating
7.4
9,753 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.5
1,459 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,123Free CancellationRating
7.4
3,726 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
Turkish Airlines
Qatar Airways