S$ 1,036 Find Cheap Flights from St. Louis to Southeast Asia

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 20-11. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Southeast Asia, 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 Southeast Asia, as well as popular online travel agencies
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Flight Deals

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

Thu, 19 Nov - Sun, 29 Nov
Air Canada Logo
16:15 - 07:00
STL
-
SIN
48h 45m
2 stops
Air Canada Logo
08:50 - 15:30
SIN
-
STL
44h 40m
2 stops
S$ 1,778Air Canada
Mon, 13 Jul - Mon, 20 Jul
Qatar Airways Logo
06:02 - 21:15
STL
-
SIN
50h 13m
2 stops
Qatar Airways Logo
19:40 - 23:59
SIN
-
STL
41h 19m
2 stops
S$ 1,791Qatar Airways
Wed, 1 Jul - Wed, 8 Jul
Finnair Logo
13:19 - 18:30
STL
-
SIN
40h 11m
2 stops
Finnair Logo
21:35 - 18:32
SIN
-
STL
33h 57m
2 stops
S$ 1,816Finnair
Thu, 2 Jul - Thu, 6 Aug
Finnair Logo
17:58 - 18:30
STL
-
SIN
35h 32m
2 stops
Finnair Logo
21:35 - 19:43
SIN
-
STL
35h 08m
2 stops
S$ 1,865Finnair
Mon, 13 Jul - Sun, 19 Jul
Multiple Airlines Logo
09:08 - 21:15
STL
-
SIN
47h 07m
2 stops
Multiple Airlines Logo
03:15 - 23:59
SIN
-
STL
33h 44m
2 stops
S$ 1,886Multiple Airlines
Fri, 20 Nov - Sun, 29 Nov
Qatar Airways Logo
07:00 - 14:55
STL
-
SIN
41h 55m
2 stops
Qatar Airways Logo
20:15 - 23:59
SIN
-
STL
41h 44m
2 stops
S$ 2,155Qatar Airways
Sun, 5 Jul - Sun, 19 Jul
Finnair Logo
17:58 - 18:30
STL
-
SIN
35h 32m
2 stops
Finnair Logo
21:35 - 18:30
SIN
-
STL
33h 55m
2 stops
S$ 2,176Finnair
Sat, 4 Jul - Sun, 19 Jul
Multiple Airlines Logo
14:35 - 18:30
STL
-
SIN
38h 55m
2 stops
Multiple Airlines Logo
21:35 - 18:30
SIN
-
STL
33h 55m
2 stops
S$ 2,267Multiple Airlines
Thu, 2 Jul - Mon, 3 Aug
Lufthansa Logo
13:13 - 16:30
STL
-
SIN
38h 17m
2 stops
Lufthansa Logo
23:40 - 21:26
SIN
-
STL
34h 46m
2 stops
S$ 2,335Lufthansa
Thu, 16 Jul - Wed, 22 Jul
Multiple Airlines Logo
09:08 - 05:30
STL
-
SIN
31h 22m
2 stops
Multiple Airlines Logo
03:15 - 23:59
SIN
-
STL
33h 44m
2 stops
S$ 2,338Multiple Airlines
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$ 459 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 August, when tickets cost S$ 652 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of return tickets is S$ 1,533 and S$ 1,434 respectively.

Good to know

Low seasonApril
Cheapest flightS$ 1,036
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly and prices are also 15% 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