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Cheap flights from St. Louis to Singapore from $512

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:40 pm - 5:05 pmSTL  Lambert-St Louis-SIN Singapore Changi
35h 25m1 stop Frankfurt am Main
Lufthansa Logo
11:55 pm - 1:45 pmSIN  Singapore Changi-STL Lambert-St Louis
27h 50m1 stop Frankfurt am Main
$1,205Lufthansa
Sun, Nov 22 - Tue, Dec 8
Lufthansa Logo
6:50 pm - 3:25 pmSTL  Lambert-St Louis-SIN Singapore Changi
30h 35m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
11:55 pm - 1:45 pmSIN  Singapore Changi-STL Lambert-St Louis
27h 50m1 stop Frankfurt am Main
$1,215Lufthansa
Sun, Nov 22 - Tue, Dec 8
Multiple Airlines Logo
6:00 am - 5:00 amSTL  Lambert-St Louis-SIN Singapore Changi
33h 00m2 stops Seattle/Tacoma Intl Incheon Intl
Multiple Airlines Logo
8:15 am - 4:40 pmSIN  Singapore Changi-STL Lambert-St Louis
22h 25m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,218Multiple Airlines
Sun, Nov 22 - Tue, Dec 8
Multiple Airlines Logo
6:00 am - 12:50 amSTL  Lambert-St Louis-SIN Singapore Changi
28h 50m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
10:30 am - 11:59 pmSIN  Singapore Changi-STL Lambert-St Louis
27h 29m2 stops Incheon Intl Seattle/Tacoma Intl
$1,230Multiple Airlines
Mon, Nov 16 - Mon, Nov 23
Cathay Pacific Logo
6:00 am - 11:50 amSTL  Lambert-St Louis-SIN Singapore Changi
39h 50m2 stops Seattle/Tacoma Intl Hong Kong Intl
Cathay Pacific Logo
1:25 am - 11:59 pmSIN  Singapore Changi-STL Lambert-St Louis
36h 34m2 stops Hong Kong Intl Seattle/Tacoma Intl
$1,244Cathay Pacific
Thu, Nov 5 - Sun, Nov 8
Multiple Airlines Logo
6:04 am - 11:40 pmSTL  Lambert-St Louis-SIN Singapore Changi
27h 36m2 stops Seattle/Tacoma Intl Tokyo Narita
Multiple Airlines Logo
6:35 am - 4:40 pmSIN  Singapore Changi-STL Lambert-St Louis
24h 05m2 stops Tokyo Narita Seattle/Tacoma Intl
$1,286Multiple Airlines
Wed, Dec 2 - Wed, Dec 9
Cathay Pacific Logo
7:26 am - 11:50 amSTL  Lambert-St Louis-SIN Singapore Changi
38h 24m2 stops Chicago O'Hare Intl Hong Kong Intl
Cathay Pacific Logo
8:20 pm - 8:19 pmSIN  Singapore Changi-STL Lambert-St Louis
37h 59m2 stops Hong Kong Intl Dallas/Fort Worth
$1,300Cathay Pacific
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
1:08 pm - 6:55 amSTL  Lambert-St Louis-SIN Singapore Changi
27h 47m2 stops Chicago O'Hare Intl Tokyo Haneda
United Airlines Logo
10:10 am - 10:15 pmSIN  Singapore Changi-STL Lambert-St Louis
26h 05m1 stop San Francisco
$1,581United Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
8:00 am - 8:00 amSTL  Lambert-St Louis-SIN Singapore Changi
34h 00m1 stop San Francisco
United Airlines Logo
10:10 am - 6:05 pmSIN  Singapore Changi-STL Lambert-St Louis
21h 55m1 stop San Francisco
$1,734United Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
8:17 am - 8:00 amSTL  Lambert-St Louis-SIN Singapore Changi
33h 43m1 stop San Francisco
United Airlines Logo
10:10 am - 6:11 pmSIN  Singapore Changi-STL Lambert-St Louis
22h 01m1 stop San Francisco
$1,942United Airlines
Wed, Dec 2 - Wed, Dec 9

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Lufthansa flights from St. Louis to Singapore

Our best Lufthansa deals on St. Louis to Singapore flight tickets
Lufthansa
Nov 22
STL3:40 pmLambert-St Louis
35h 25m
1 stop
SIN5:05 pmSingapore Changi
Dec 8
SIN11:55 pmSingapore Changi
27h 50m
1 stop
STL1:45 pmLambert-St Louis
$1,205
Lufthansa
Nov 22
STL6:50 pmLambert-St Louis
30h 35m
2 stops
SIN3:25 pmSingapore Changi
Dec 8
SIN11:55 pmSingapore Changi
27h 50m
1 stop
STL1:45 pmLambert-St Louis
$1,215
Lufthansa
Dec 31
STL1:13 pmLambert-St Louis
37h 52m
2 stops
SIN5:05 pmSingapore Changi
Jun 1
SIN10:45 pmSingapore Changi
29h 53m
2 stops
STL3:38 pmLambert-St Louis
$1,501

Malaysia Airlines flights from St. Louis to Singapore

Our best Malaysia Airlines deals on St. Louis to Singapore flight tickets
Malaysia Airlines
Dec 31
STL6:01 amLambert-St Louis
37h 04m
3 stops
SIN9:05 amSingapore Changi
Jun 1
SIN9:15 pmSingapore Changi
39h 41m
3 stops
STL11:56 pmLambert-St Louis
$2,483
Malaysia Airlines
Nov 18
STL8:10 amLambert-St Louis
41h 20m
3 stops
SIN3:30 pmSingapore Changi
Nov 25
SIN7:55 pmSingapore Changi
42h 03m
3 stops
STL11:58 pmLambert-St Louis
$2,520

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Sun 11/22

3:40 pm-5:05 pm

1 stop35h 25m

Singapore Changi

Tue 12/8

11:55 pm-1:45 pm

1 stop27h 50m

$1,205

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Sun 11/22

6:50 pm-3:25 pm

2 stops30h 35m

Singapore Changi

Tue 12/8

11:55 pm-1:45 pm

1 stop27h 50m

$1,215

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Sun 11/22

6:00 am-5:00 am

2 stops33h 00m

Singapore Changi

Tue 12/8

8:15 am-4:40 pm

2 stops22h 25m

$1,218

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Mon 11/16

6:00 am-12:50 am

2 stops28h 50m

Singapore Changi

Mon 11/23

10:30 am-11:59 pm

2 stops27h 29m

$1,230

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Thu 11/5

6:00 am-11:50 am

2 stops39h 50m

Singapore Changi

Sun 11/8

1:25 am-11:59 pm

2 stops36h 34m

$1,244
Quickest round-trip

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Wed 12/2

6:04 am-11:40 pm

2 stops27h 36m

Singapore Changi

Wed 12/9

6:35 am-4:40 pm

2 stops24h 05m

$1,286

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Thu 11/5

7:26 am-11:50 am

2 stops38h 24m

Singapore Changi

Mon 11/9

8:20 pm-8:19 pm

2 stops37h 59m

$1,300

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Thu 11/5

1:08 pm-6:55 am

2 stops27h 47m

Singapore Changi

Mon 11/9

10:10 am-10:15 pm

1 stop26h 05m

$1,581

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Thu 11/5

8:00 am-8:00 am

1 stop34h 00m

Singapore Changi

Mon 11/9

10:10 am-6:05 pm

1 stop21h 55m

$1,734

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Wed 12/2

8:17 am-8:00 am

1 stop33h 43m

Singapore Changi

Wed 12/9

10:10 am-6:11 pm

1 stop22h 01m

$1,942

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 St. Louis 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 St. Louis and Singapore?

Prices are currently high for flights on this route.

Typical prices usually range from $1,108 to $1,134.
The lowest price recently found on this route was $1,205.

What is the cheapest month to fly to Singapore?

The month of October is, on average, the cheapest month to fly to Singapore from St. Louis, with most prices found around $1,035. If you aren’t able to travel to Singapore during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,198.

Can stopping save me money on St. Louis to Singapore flights?

You could potentially save up to 6% on your flight if you consider stops on a St. Louis to Singapore flight.

When to book flights from St. Louis to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Singapore (STL to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Singapore

Best Price Found

$512

Fastest flight time

28h 05m

Direct flights

None
The best one-way flight to Singapore from St. Louis in the past 72 hours is $512. The best round-trip flight deal from St. Louis to Singapore found on momondo in the last 72 hours is $1,205.
The fastest flight from St. Louis to Singapore takes 28h 05m
There are no direct flights from St. Louis to Singapore. There are no popular flight routes from St. Louis to Singapore.
Search flight deals

Frequently asked questions about flying from St. Louis to Singapore

  • How far is Lambert-St Louis to Singapore Changi by plane?

    Singapore Changi is 9530.1 mi away from Lambert-St Louis. In terms of flight time, this usually takes a little over 28h 05m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Singapore Changi Airport?

    Prices for flights from Lambert-St Louis Airport to Singapore Changi Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Singapore Changi Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport 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 Lambert-St Louis Airport to Singapore Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Singapore?

Best airlines flying from St. Louis to Singapore

Compare and see reviews for airlines that fly from St. Louis to Singapore with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $1,126Free CancellationRating
7.3
10,392 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Singapore?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Singapore for you.

Can I find flights from St. Louis to Singapore with flexible booking policies on momondo?

All flight searches from St. Louis to Singapore on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Singapore?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Singapore.

I’m not ready to book a flight from St. Louis to Singapore right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Singapore, momondo offers a useful price alert feature which will track prices for flights to Singapore from St. Louis and alert you when they change.

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