S$ 947 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 14-8. 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

Sun, 4 Oct - Mon, 12 Oct
Qatar Airways Logo
07:27 - 15:45
STL
-
SIN
43h 18m
2 stops
Qatar Airways Logo
19:40 - 23:58
SIN
-
STL
41h 18m
2 stops
S$ 1,475Qatar Airways
Tue, 18 Aug - Tue, 25 Aug
Air Canada Logo
12:10 - 05:15
STL
-
SIN
28h 05m
2 stops
Air Canada Logo
06:15 - 18:42
SIN
-
STL
49h 27m
2 stops
S$ 1,501Air Canada
Sun, 4 Oct - Mon, 12 Oct
Lufthansa Logo
15:30 - 16:30
STL
-
SIN
36h 00m
1 stop
Lufthansa Logo
23:40 - 13:25
SIN
-
STL
26h 45m
1 stop
S$ 1,514Lufthansa
Sun, 4 Oct - Mon, 12 Oct
Lufthansa Logo
15:30 - 16:30
STL
-
SIN
36h 00m
1 stop
Lufthansa Logo
23:55 - 21:09
SIN
-
STL
34h 14m
2 stops
S$ 1,518Lufthansa
Fri, 11 Sep - Sat, 19 Sep
Qatar Airways Logo
11:01 - 08:50
STL
-
SIN
32h 49m
2 stops
Qatar Airways Logo
03:15 - 00:27
SIN
-
STL
34h 12m
2 stops
S$ 1,563Qatar Airways
Sat, 12 Sep - Fri, 25 Sep
Qatar Airways Logo
07:27 - 15:45
STL
-
SIN
43h 18m
2 stops
Qatar Airways Logo
03:15 - 00:27
SIN
-
STL
34h 12m
2 stops
S$ 1,576Qatar Airways
Tue, 11 Aug - Tue, 18 Aug
Air Canada Logo
12:10 - 05:15
STL
-
SIN
28h 05m
2 stops
Air Canada Logo
07:00 - 20:24
SIN
-
STL
26h 24m
2 stops
S$ 1,746Air Canada
Sat, 15 Aug - Sat, 22 Aug
Multiple Airlines Logo
20:08 - 00:45
STL
-
SIN
39h 37m
3 stops
Multiple Airlines Logo
06:15 - 19:13
SIN
-
STL
49h 58m
3 stops
S$ 1,773Multiple Airlines
Sat, 12 Sep - Sat, 26 Sep
Multiple Airlines Logo
15:19 - 17:35
STL
-
SIN
37h 16m
1 stop
Multiple Airlines Logo
09:05 - 09:40
SIN
-
STL
37h 35m
2 stops
S$ 1,803Multiple Airlines
Fri, 11 Sep - Sun, 20 Sep
Lufthansa Logo
12:59 - 16:20
STL
-
SIN
38h 21m
2 stops
Lufthansa Logo
23:40 - 13:25
SIN
-
STL
26h 45m
1 stop
S$ 1,829Lufthansa
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$ 465 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 July, when tickets cost S$ 725 (return) on average. On the other hand, the most expensive months are December and March, when the average cost of return tickets is S$ 1,271 and S$ 1,166 respectively.

Find deals

Good to know

Low seasonSeptember
Cheapest flightS$ 947
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly and prices are also 10% 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)