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Cheap flights from Houston to Singapore from $420

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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
7:30 am - 9:05 am
IAH
-
SIN
36h 35m
2 stops
Multiple Airlines Logo
2:30 pm - 6:15 pm
SIN
-
IAH
40h 45m
2 stops
$745Multiple Airlines
Tue, Sep 1 - Tue, Sep 22
Multiple Airlines Logo
7:10 pm - 5:35 pm
IAH
-
SIN
33h 25m
1 stop
Multiple Airlines Logo
9:00 am - 12:03 am
SIN
-
IAH
28h 03m
1 stop
$911Multiple Airlines
Wed, Aug 26 - Sat, Sep 12
ZIPAIR Logo
10:25 am - 11:00 pm
IAH
-
SIN
23h 35m
1 stop
ZIPAIR Logo
12:30 am - 8:25 am
SIN
-
IAH
20h 55m
1 stop
$919ZIPAIR
Wed, Apr 22 - Tue, May 12
Multiple Airlines Logo
10:45 am - 11:00 pm
IAH
-
SIN
23h 15m
1 stop
Multiple Airlines Logo
10:50 am - 8:45 am
SIN
-
IAH
58h 55m
2 stops
$922Multiple Airlines
Mon, Jul 13 - Wed, Aug 12
Multiple Airlines Logo
9:33 am - 11:40 pm
IAH
-
SIN
49h 07m
2 stops
Multiple Airlines Logo
5:15 pm - 8:25 am
SIN
-
IAH
28h 10m
1 stop
$926Multiple Airlines
Wed, Apr 22 - Thu, May 14
Multiple Airlines Logo
10:25 am - 5:20 am
IAH
-
SIN
29h 55m
2 stops
Multiple Airlines Logo
9:30 am - 8:25 am
SIN
-
IAH
35h 55m
2 stops
$928Multiple Airlines
Mon, May 4 - Thu, May 14
American Airlines Logo
6:01 am - 12:20 am
HOU
-
SIN
29h 19m
2 stops
American Airlines Logo
8:05 am - 7:51 pm
SIN
-
HOU
24h 46m
2 stops
$1,151American Airlines
Wed, Apr 22 - Wed, May 13
Delta Logo
5:35 pm - 7:15 pm
HOU
-
SIN
36h 40m
2 stops
Delta Logo
7:30 am - 9:35 pm
SIN
-
HOU
27h 05m
2 stops
$1,190Delta
Tue, Sep 8 - Wed, Sep 16
Delta Logo
1:00 pm - 11:55 pm
HOU
-
SIN
45h 55m
2 stops
Delta Logo
7:30 am - 9:35 pm
SIN
-
HOU
27h 05m
2 stops
$1,197Delta
Sun, Sep 6 - Mon, Sep 14
American Airlines Logo
6:00 am - 12:20 am
HOU
-
SIN
29h 20m
2 stops
American Airlines Logo
8:05 am - 9:53 pm
SIN
-
HOU
26h 48m
2 stops
$1,201American Airlines
Sun, Aug 30 - Mon, Oct 5

Finnair flights from Houston to Singapore

Our best Finnair deals on Houston to Singapore flight tickets
Finnair
Jun 27
HOU12:50 pmHouston Hobby
40h 40m
2 stops
SIN6:30 pmSingapore Changi
Jul 5
SIN9:35 pmSingapore Changi
33h 33m
2 stops
HOU6:08 pmHouston Hobby
$1,727
Finnair
Jun 27
HOU9:30 amHouston Hobby
44h 00m
2 stops
SIN6:30 pmSingapore Changi
Jul 5
SIN9:35 pmSingapore Changi
35h 18m
2 stops
HOU7:53 pmHouston Hobby
$1,730

Delta flights from Houston to Singapore

Our best Delta deals on Houston to Singapore flight tickets
Delta
Sep 8
HOU5:35 pmHouston Hobby
36h 40m
2 stops
SIN7:15 pmSingapore Changi
Sep 16
SIN7:30 amSingapore Changi
27h 05m
2 stops
HOU9:35 pmHouston Hobby
$1,190
Delta
Sep 6
HOU1:00 pmHouston Hobby
45h 55m
2 stops
SIN11:55 pmSingapore Changi
Sep 14
SIN7:30 amSingapore Changi
27h 05m
2 stops
HOU9:35 pmHouston Hobby
$1,197
Delta
Sep 5
HOU5:35 pmHouston Hobby
46h 25m
2 stops
SIN5:00 amSingapore Changi
Sep 16
SIN7:30 amSingapore Changi
27h 05m
2 stops
HOU9:35 pmHouston Hobby
$1,240

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 March 15, 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 9/1

7:30 am-9:05 am

2 stops36h 35m

Singapore Changi

Tue 9/22

2:30 pm-6:15 pm

2 stops40h 45m

$745

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 8/26

7:10 pm-5:35 pm

1 stop33h 25m

Singapore Changi

Sat 9/12

9:00 am-12:03 am

1 stop28h 03m

$911
Quickest round-trip

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/22

10:25 am-11:00 pm

1 stop23h 35m

Singapore Changi

Tue 5/12

12:30 am-8:25 am

1 stop20h 55m

$919

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 7/13

10:45 am-11:00 pm

1 stop23h 15m

Singapore Changi

Wed 8/12

10:50 am-8:45 am

2 stops58h 55m

$922

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Wed 4/22

9:33 am-11:40 pm

2 stops49h 07m

Singapore Changi

Thu 5/14

5:15 pm-8:25 am

1 stop28h 10m

$926

HoustonSingapore

IAH - SIN

IAHSIN

Houston George Bush Intcntl

Mon 5/4

10:25 am-5:20 am

2 stops29h 55m

Singapore Changi

Thu 5/14

9:30 am-8:25 am

2 stops35h 55m

$928

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Wed 4/22

6:01 am-12:20 am

2 stops29h 19m

Singapore Changi

Wed 5/13

8:05 am-7:51 pm

2 stops24h 46m

$1,151

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Tue 9/8

5:35 pm-7:15 pm

2 stops36h 40m

Singapore Changi

Wed 9/16

7:30 am-9:35 pm

2 stops27h 05m

$1,190

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 9/6

1:00 pm-11:55 pm

2 stops45h 55m

Singapore Changi

Mon 9/14

7:30 am-9:35 pm

2 stops27h 05m

$1,197

HoustonSingapore

HOU - SIN

HOUSIN

Houston Hobby

Sun 8/30

6:00 am-12:20 am

2 stops29h 20m

Singapore Changi

Mon 10/5

8:05 am-9:53 pm

2 stops26h 48m

$1,201

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 cheapest month to fly to Singapore?

The month of February is, on average, the cheapest month to fly to Singapore from Houston, with most prices found around $1,076. If you aren’t able to travel to Singapore during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,100.

What is the cheapest Houston to Singapore Changi flight route?

Fly from Houston George Bush Intcntl to Singapore Changi for the best Houston - Singapore Changi flight prices

How far in advance should I book a flight 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 $1,204 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.

What cabin class options are available on Houston to Singapore Changi flights?

There are 2 cabin classes available to choose from on Houston to Singapore Changi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

23h 15m

Direct flights

None
The fastest flight from Houston to Singapore takes 23h 15m
There are no direct flights from Houston to Singapore. There are no popular flight routes from Houston to Singapore.
Search flight deals

  • 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 23h 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 $852Free CancellationRating
7.1
10,805 reviews
Search Air Canada flights
ZIPAIRPriceFrom $860Free CancellationRating
7.4
54 reviews
Search ZIPAIR flights
Turkish AirlinesPriceFrom $875Free CancellationRating
7.3
4,256 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $937Free CancellationRating
7.4
9,428 reviews
Search United Airlines flights
EVA AirPriceFrom $1,053Free CancellationRating
8.4
1,373 reviews
Search EVA Air flights
Qatar AirwaysPriceFrom $1,128Free CancellationRating
7.4
3,737 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

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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
ZIPAIR
Qatar Airways