S$ 734 Find Cheap Flights from St. Louis to Southeast Asia – 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 Southeast Asia departing on 9-9. 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 Southeast Asia

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from St. Louis to Southeast Asia 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 Southeast Asia

Mon, 17 Aug - Thu, 10 Sep
Air Canada Logo
12:10 - 05:15
STL
-
SIN
52h 05m
2 stops
Air Canada Logo
07:00 - 12:40
SIN
-
STL
42h 40m
2 stops
S$ 1,463Air Canada
Wed, 9 Sep - Wed, 16 Sep
Qatar Airways Logo
07:26 - 08:50
STL
-
SIN
36h 24m
2 stops
Qatar Airways Logo
19:40 - 20:44
SIN
-
STL
38h 04m
2 stops
S$ 1,465Qatar Airways
Mon, 7 Sep - Sun, 13 Sep
Qatar Airways Logo
06:35 - 15:45
STL
-
SIN
44h 10m
2 stops
Qatar Airways Logo
03:15 - 23:59
SIN
-
STL
33h 44m
2 stops
S$ 1,473Qatar Airways
Tue, 24 Nov - Mon, 14 Dec
Multiple Airlines Logo
15:15 - 14:55
STL
-
SIN
57h 40m
2 stops
Multiple Airlines Logo
03:15 - 23:59
SIN
-
STL
34h 44m
2 stops
S$ 1,489Multiple Airlines
Tue, 22 Sep - Mon, 28 Sep
Air Canada Logo
12:10 - 05:15
STL
-
SIN
28h 05m
2 stops
Air Canada Logo
08:10 - 20:20
SIN
-
STL
49h 10m
2 stops
S$ 1,499Air Canada
Wed, 11 Nov - Mon, 30 Nov
Multiple Airlines Logo
06:00 - 07:00
STL
-
SIN
35h 00m
2 stops
Multiple Airlines Logo
23:10 - 15:26
SIN
-
STL
54h 16m
2 stops
S$ 1,500Multiple Airlines
Wed, 11 Nov - Mon, 30 Nov
Lufthansa Logo
15:40 - 06:50
STL
-
SIN
25h 10m
1 stop
Lufthansa Logo
23:55 - 21:13
SIN
-
STL
35h 18m
2 stops
S$ 1,517Lufthansa
Tue, 24 Nov - Tue, 15 Dec
Lufthansa Logo
13:08 - 17:05
STL
-
SIN
37h 57m
2 stops
Lufthansa Logo
23:55 - 23:25
SIN
-
STL
37h 30m
2 stops
S$ 1,535Lufthansa
Tue, 24 Nov - Tue, 15 Dec
Lufthansa Logo
13:08 - 06:50
STL
-
SIN
27h 42m
2 stops
Lufthansa Logo
23:55 - 13:45
SIN
-
STL
27h 50m
1 stop
S$ 1,538Lufthansa
Tue, 24 Nov - Tue, 15 Dec
Lufthansa Logo
18:50 - 17:25
STL
-
SIN
56h 35m
2 stops
Lufthansa Logo
23:55 - 13:45
SIN
-
STL
27h 50m
1 stop
S$ 1,545Lufthansa
Booking Insights

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

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

Can I save money by flying with a stopover from St. Louis to Southeast Asia?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at S$ 464 on average.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Southeast Asia, 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 Southeast Asia is September, when tickets cost S$ 1,409 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,146 and S$ 2,121 respectively.

Find deals

Good to know

Low season

September

Cheapest flight

S$ 734
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly and prices are also 9% lower on average.
Flight from St. Louis to Singapore

FAQs - booking Southeast Asia flights

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

    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 Southeast Asia.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from St. Louis to Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 Southeast Asia?

    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 Southeast Asia 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 to Southeast Asia

Information on your arrival and departure airports

St. Louis (STL)