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Cheap flights from St. Louis to Singapore from $502

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.
Multiple Airlines Logo
6:29 am - 8:50 amSTL  Lambert-St Louis-SIN Singapore Changi
37h 21m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Multiple Airlines Logo
3:15 am - 11:59 pmSIN  Singapore Changi-STL Lambert-St Louis
33h 44m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,146Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
6:29 am - 9:15 pmSTL  Lambert-St Louis-SIN Singapore Changi
49h 46m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Multiple Airlines Logo
7:40 pm - 11:59 pmSIN  Singapore Changi-STL Lambert-St Louis
41h 19m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,149Multiple Airlines
Thu, Oct 1 - Thu, Oct 8
Air Canada Logo
12:10 pm - 5:15 amSTL  Lambert-St Louis-SIN Singapore Changi
28h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
7:00 am - 8:00 pmSIN  Singapore Changi-STL Lambert-St Louis
26h 00m2 stops Vancouver Intl Toronto Pearson Intl
$1,149Air Canada
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
3:54 pm - 8:45 amSTL  Lambert-St Louis-SIN Singapore Changi
50h 51m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Multiple Airlines Logo
8:15 pm - 11:44 pmSIN  Singapore Changi-STL Lambert-St Louis
41h 29m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,154Multiple Airlines
Mon, Feb 8 - Mon, Feb 15
Multiple Airlines Logo
12:17 pm - 9:30 pmSTL  Lambert-St Louis-SIN Singapore Changi
44h 13m3 stops Las Vegas Harry Reid Intl San Francisco Incheon Intl
Multiple Airlines Logo
7:30 am - 11:32 amSIN  Singapore Changi-STL Lambert-St Louis
41h 02m3 stops Incheon Intl San Francisco Las Vegas Harry Reid Intl
$1,177Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Air Canada Logo
12:10 pm - 5:15 amSTL  Lambert-St Louis-SIN Singapore Changi
28h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
8:40 am - 4:26 pmSIN  Singapore Changi-STL Lambert-St Louis
44h 46m2 stops Vancouver Intl Toronto Pearson Intl
$1,221Air Canada
Fri, Oct 16 - Sat, Oct 31
Air Canada Logo
12:10 pm - 5:15 amSTL  Lambert-St Louis-SIN Singapore Changi
52h 05m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
7:00 am - 8:20 pmSIN  Singapore Changi-STL Lambert-St Louis
26h 20m2 stops Vancouver Intl Toronto Pearson Intl
$1,221Air Canada
Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
7:02 am - 3:45 pmSTL  Lambert-St Louis-SIN Singapore Changi
43h 43m2 stops Seattle/Tacoma Intl Doha Hamad Intl
Multiple Airlines Logo
3:15 am - 11:59 pmSIN  Singapore Changi-STL Lambert-St Louis
33h 44m2 stops Doha Hamad Intl Seattle/Tacoma Intl
$1,227Multiple Airlines
Fri, Oct 9 - Sat, Oct 17
United Airlines Logo
7:08 am - 6:35 pmSTL  Lambert-St Louis-SIN Singapore Changi
22h 27m1 stop San Francisco
United Airlines Logo
8:45 am - 6:43 pmSIN  Singapore Changi-STL Lambert-St Louis
22h 58m1 stop San Francisco
$1,286United Airlines
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
7:08 am - 6:35 pmSTL  Lambert-St Louis-SIN Singapore Changi
22h 27m1 stop San Francisco
United Airlines Logo
8:45 am - 11:44 pmSIN  Singapore Changi-STL Lambert-St Louis
27h 59m2 stops San Francisco Denver Intl
$1,286United Airlines
Tue, Sep 29 - Tue, Oct 6

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Air Canada flights from St. Louis to Singapore

Our best Air Canada deals on St. Louis to Singapore flight tickets
Air Canada
Sep 29
STL12:10 pmLambert-St Louis
28h 05m
2 stops
SIN5:15 amSingapore Changi
Oct 6
SIN7:00 amSingapore Changi
26h 00m
2 stops
STL8:00 pmLambert-St Louis
$1,149
Air Canada
Oct 4
STL12:10 pmLambert-St Louis
28h 05m
2 stops
SIN5:15 amSingapore Changi
Oct 11
SIN7:00 amSingapore Changi
48h 41m
2 stops
STL6:41 pmLambert-St Louis
$1,171
Air Canada
Oct 3
STL12:10 pmLambert-St Louis
52h 05m
2 stops
SIN5:15 amSingapore Changi
Oct 10
SIN7:00 amSingapore Changi
26h 20m
2 stops
STL8:20 pmLambert-St Louis
$1,221

United Airlines flights from St. Louis to Singapore

Our best United Airlines deals on St. Louis to Singapore flight tickets
United Airlines
Sep 29
STL7:08 amLambert-St Louis
22h 27m
1 stop
SIN6:35 pmSingapore Changi
Oct 6
SIN8:45 amSingapore Changi
27h 59m
2 stops
STL11:44 pmLambert-St Louis
$1,286
United Airlines
Sep 30
STL5:10 amLambert-St Louis
24h 25m
2 stops
SIN6:35 pmSingapore Changi
Oct 7
SIN8:45 amSingapore Changi
22h 58m
1 stop
STL6:43 pmLambert-St Louis
$1,291
United Airlines
Oct 1
STL7:08 amLambert-St Louis
22h 27m
1 stop
SIN6:35 pmSingapore Changi
Oct 8
SIN8:35 pmSingapore Changi
37h 46m
2 stops
STL9:21 pmLambert-St Louis
$1,296

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

Wed 9/30

6:29 am-8:50 am

2 stops37h 21m

Singapore Changi

Tue 10/6

3:15 am-11:59 pm

2 stops33h 44m

$1,146

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Thu 10/1

6:29 am-9:15 pm

2 stops49h 46m

Singapore Changi

Thu 10/8

7:40 pm-11:59 pm

2 stops41h 19m

$1,149

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Tue 9/29

12:10 pm-5:15 am

2 stops28h 05m

Singapore Changi

Tue 10/6

7:00 am-8:00 pm

2 stops26h 00m

$1,149

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Mon 2/8

3:54 pm-8:45 am

2 stops50h 51m

Singapore Changi

Mon 2/15

8:15 pm-11:44 pm

2 stops41h 29m

$1,154

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Tue 9/29

12:17 pm-9:30 pm

3 stops44h 13m

Singapore Changi

Tue 10/6

7:30 am-11:32 am

3 stops41h 02m

$1,177

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Fri 10/16

12:10 pm-5:15 am

2 stops28h 05m

Singapore Changi

Sat 10/31

8:40 am-4:26 pm

2 stops44h 46m

$1,221

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Sat 10/3

12:10 pm-5:15 am

2 stops52h 05m

Singapore Changi

Sat 10/10

7:00 am-8:20 pm

2 stops26h 20m

$1,221

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Fri 10/9

7:02 am-3:45 pm

2 stops43h 43m

Singapore Changi

Sat 10/17

3:15 am-11:59 pm

2 stops33h 44m

$1,227
Quickest round-trip

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Tue 9/29

7:08 am-6:35 pm

1 stop22h 27m

Singapore Changi

Tue 10/6

8:45 am-6:43 pm

1 stop22h 58m

$1,286

St. LouisSingapore

STL Lambert-St Louis - SIN Singapore Changi

STLSIN

Lambert-St Louis

Tue 9/29

7:08 am-6:35 pm

1 stop22h 27m

Singapore Changi

Tue 10/6

8:45 am-11:44 pm

2 stops27h 59m

$1,286

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 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 18% on your flight if you consider stops on a St. Louis to Singapore flight.

Cheap St. Louis to Singapore flight deals and tips

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

Best Price Found

$502

Fastest flight time

25h 51m

Direct flights

None
The best one-way flight to Singapore from St. Louis in the past 72 hours is $502. The best round-trip flight deal from St. Louis to Singapore found on momondo in the last 72 hours is $1,146.
The fastest flight from St. Louis to Singapore takes 25h 51m
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

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

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

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

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

    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.

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

    The required travel and health documents for your Singapore trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 $1,094Free CancellationRating
7.4
10,102 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Singapore from St. Louis.

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

Yes. All flights to Singapore from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Yes. momondo can track prices for St. Louis to Singapore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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