S$ 729 Find Cheap Flights from St. Louis to Singapore – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Singapore departing on 13-9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from St. Louis to Singapore

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from St. Louis to Singapore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from St. Louis to Singapore

Thu, 8 Oct - Tue, 20 Oct
Air Canada Logo
08:00 - 05:15
STL
-
SIN
32h 15m
2 stops
Air Canada Logo
07:00 - 12:40
SIN
-
STL
42h 40m
2 stops
S$ 1,456Air Canada
Wed, 9 Sep - Wed, 16 Sep
Air Canada Logo
12:10 - 05:15
STL
-
SIN
52h 05m
2 stops
Air Canada Logo
22:50 - 14:00
SIN
-
STL
52h 10m
2 stops
S$ 1,491Air Canada
Fri, 25 Sep - Mon, 5 Oct
Qatar Airways Logo
06:29 - 08:50
STL
-
SIN
37h 21m
2 stops
Qatar Airways Logo
19:40 - 23:59
SIN
-
STL
41h 19m
2 stops
S$ 1,497Qatar Airways
Sun, 13 Sep - Sun, 20 Sep
Air Canada Logo
12:10 - 00:45
STL
-
SIN
47h 35m
2 stops
Air Canada Logo
22:50 - 14:00
SIN
-
STL
52h 10m
2 stops
S$ 1,506Air Canada
Sun, 25 Oct - Fri, 30 Oct
Air Canada Logo
16:05 - 21:55
STL
-
SIN
64h 50m
2 stops
Air Canada Logo
08:40 - 15:26
SIN
-
STL
43h 46m
2 stops
S$ 1,546Air Canada
Fri, 25 Sep - Mon, 5 Oct
Air Canada Logo
14:40 - 05:15
STL
-
SIN
25h 35m
2 stops
Air Canada Logo
06:15 - 20:00
SIN
-
STL
26h 45m
2 stops
S$ 1,552Air Canada
Fri, 11 Sep - Thu, 17 Sep
Qatar Airways Logo
06:29 - 08:50
STL
-
SIN
37h 21m
2 stops
Qatar Airways Logo
03:15 - 23:59
SIN
-
STL
33h 44m
2 stops
S$ 1,600Qatar Airways
Thu, 15 Oct - Sun, 25 Oct
United Airlines Logo
07:08 - 18:35
STL
-
SIN
22h 27m
1 stop
United Airlines Logo
10:10 - 22:15
SIN
-
STL
25h 05m
1 stop
S$ 1,656United Airlines
Sun, 13 Sep - Sun, 20 Sep
United Airlines Logo
07:00 - 06:15
STL
-
SIN
34h 15m
2 stops
United Airlines Logo
20:35 - 12:02
SIN
-
STL
28h 27m
2 stops
S$ 1,661United Airlines
Sat, 26 Sep - Thu, 1 Oct
Qatar Airways Logo
07:27 - 08:50
STL
-
SIN
36h 23m
2 stops
Qatar Airways Logo
03:15 - 20:44
SIN
-
STL
30h 29m
2 stops
S$ 1,679Qatar Airways
Booking Insights

KAYAK's insights & trends for St. Louis to Singapore flights

Get data-powered insights and trends into flights from St. Louis to Singapore to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest month to fly from St. Louis to Singapore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Singapore is October, when tickets cost S$ 1,328 (return) on average. On the other hand, the most expensive months are February and April, when the average cost of return tickets is S$ 3,223 and S$ 2,859 respectively.

Find deals

Good to know

Low season

July

Cheapest flight

S$ 729
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (54% more expensive on average)
Flight from St. Louis to Singapore

FAQs - booking Singapore flights

  • How does KAYAK find such low prices on flights from St. Louis to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Singapore is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from St. Louis to Singapore with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from St. Louis to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from St. Louis to Singapore

Information on your arrival and departure airports

St. Louis (STL)