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STL - SIN

S$ 978 Find cheap flights from St. Louis to Singapore

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 15-11. 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.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Singapore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Singapore, as well as popular online travel agencies
In the last 7 days, travellers have searched 46,479,581 times on KAYAK, and here's why:

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Cheap flight deals from St. Louis to Singapore (STL-SIN)

 
These are the cheapest deals for flights from St. Louis to Singapore currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from St. Louis to Singapore

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from St. Louis to Singapore.

Recent one-way flight deals from St. Louis to Singapore

Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Singapore found on KAYAK recently.

Recent last-minute flight deals from St. Louis to Singapore

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from St. Louis to Singapore.

Recent direct flight deals from St. Louis to Singapore

The latest deals for direct flights from St. Louis to Singapore so you can sit back and relax without the need for a layover.

Cheap bus & train deals from St. Louis to Singapore

Find recent round-trip train or bus tickets from St. Louis to Singapore.

All round-trip flight deals to Singapore

The cheapest plane tickets to Singapore found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
17:36 - 20:15STL-SIN
36h 39m2 stops
22:20 - 12:12SIN-STL
26h 52m2 stops
S$ 1,673United Airlines
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ו', 28 פב​​​​​​​' - ג', 11 מרץ
19:00 - 20:15STL-SIN
35h 15m1 stop
22:20 - 20:41SIN-STL
36h 21m2 stops
S$ 1,686United Airlines
Find Deal
א', 1 דצמ' - ש', 7 דצמ'
15:32 - 20:15STL-SIN
39h 43m2 stops
22:20 - 21:02SIN-STL
35h 42m2 stops
S$ 1,772United Airlines
Find Deal
ש', 22 מרץ - ו', 28 מרץ
07:00 - 08:45STL-SIN
35h 45m2 stops
03:15 - 21:40SIN-STL
31h 25m2 stops
S$ 1,774Qatar Airways
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ו', 28 פב​​​​​​​' - ב', 10 מרץ
19:02 - 11:55STL-SIN
27h 53m2 stops
08:00 - 22:54SIN-STL
27h 54m2 stops
S$ 1,784Cathay Pacific
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א', 27 אפר' - ו', 2 מאי
17:36 - 20:15STL-SIN
36h 39m2 stops
10:10 - 22:24SIN-STL
25h 14m1 stop
S$ 1,817United Airlines
Find Deal
ו', 28 פב​​​​​​​' - ג', 11 מרץ
19:02 - 11:55STL-SIN
27h 53m2 stops
01:45 - 22:54SIN-STL
34h 09m2 stops
S$ 1,819Cathay Pacific
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א', 27 אפר' - ה', 1 מאי
15:15 - 00:45STL-SIN
44h 30m3 stops
22:10 - 19:25SIN-STL
34h 15m2 stops
S$ 2,156
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א', 27 אפר' - ו', 2 מאי
09:56 - 05:40STL-SIN
29h 44m2 stops
01:30 - 16:25SIN-STL
27h 55m3 stops
S$ 2,280
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ו', 28 פב​​​​​​​' - ב', 10 מרץ
15:21 - 16:15STL-SIN
34h 54m2 stops
01:40 - 21:35SIN-STL
33h 55m2 stops
S$ 2,883KLM
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א', 15 דצמ' - ש', 21 דצמ'
17:30 - 17:35STL-SIN
34h 05m2 stops
S$ 978
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ו', 15 נוב'
06:17 - 05:40STL-SIN
33h 23m2 stops
S$ 1,051Cathay Pacific
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ו', 15 נוב'
07:09 - 20:15STL-SIN
23h 06m1 stop
S$ 1,073United Airlines
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ו', 15 נוב'
07:09 - 20:15STL-SIN
23h 06m1 stop
S$ 1,075United Airlines
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ו', 15 נוב'
11:31 - 16:20STL-SIN
38h 49m3 stops
S$ 1,491Cathay Pacific
Find Deal
ו', 15 נוב'
11:31 - 16:20STL-SIN
38h 49m3 stops
S$ 1,493Cathay Pacific
Find Deal
ו', 15 נוב'

Flights from St. Louis to Singapore - Travel Insights & Trends

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 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 September, where tickets cost S$ 1,746 on average. On the other hand, the most expensive months are June and December, where the average cost of tickets is S$ 2,986 and S$ 2,701 respectively.

Good to know

Low season

September

High season

May

Cheapest flight

S$ 978
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly and prices are also 0% lower on average.
Flight from St. Louis to Singapore

When to book flights from St. Louis to Singapore

Are your dates flexible? Find out the best times to travel from St. Louis to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Singapore

  • What is the cheapest flight from St. Louis to Singapore?

    In the last 3 days, the lowest price for a flight from St. Louis to Singapore was S$ 740 for a one-way ticket and S$ 1,266 for a return.

  • Which aircraft models fly most regularly from St. Louis to Singapore?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from St. Louis to Singapore?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between St. Louis and Singapore, with oneworld being the most commonly used for this route.

  • 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 to Singapore from St. Louis is likely to change within 7 days, so travelers 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 to Singapore with an airline and back to St. Louis 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 to Singapore from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from St. Louis to Singapore

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Singapore found on KAYAK in the last 72 hours.
15-11ו'
2 stops
34h 05mSTL-SIN
S$ 978
15-11ו'
2 stopsCathay Pacific
33h 23mSTL-SIN
S$ 1,051
15-11ו'
1 stopUnited Airlines
23h 06mSTL-SIN
S$ 1,073
15-11ו'
1 stopUnited Airlines
23h 06mSTL-SIN
S$ 1,075
15-11ו'
3 stopsCathay Pacific
38h 49mSTL-SIN
S$ 1,491
15-11ו'
3 stopsCathay Pacific
38h 49mSTL-SIN
S$ 1,493

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

Information on your arrival and departure airports