S$ 1,545 Find Cheap Flights from St. Louis to Southeast Asia

This is the cheapest return 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 13-10. 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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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

Tue, 13 Oct - Mon, 26 Oct
Qatar Airways Logo
07:00 - 08:50
STL
-
SIN
36h 50m
2 stops
Qatar Airways Logo
03:15 - 20:08
SIN
-
STL
29h 53m
2 stops
S$ 1,545Qatar Airways
Wed, 4 Nov - Wed, 11 Nov
Qatar Airways Logo
08:40 - 08:45
STL
-
SIN
34h 05m
2 stops
Qatar Airways Logo
20:15 - 23:56
SIN
-
STL
41h 41m
2 stops
S$ 1,608Qatar Airways
Mon, 29 Jun - Mon, 6 Jul
Finnair Logo
17:03 - 18:30
STL
-
SIN
36h 27m
2 stops
Finnair Logo
21:35 - 18:26
SIN
-
STL
33h 51m
2 stops
S$ 2,003Finnair
Tue, 13 Oct - Tue, 27 Oct
Lufthansa Logo
15:30 - 06:50
STL
-
SIN
26h 20m
1 stop
Lufthansa Logo
23:55 - 14:55
SIN
-
STL
28h 00m
1 stop
S$ 2,017Lufthansa
Thu, 11 Jun - Tue, 16 Jun
Qatar Airways Logo
06:02 - 09:20
STL
-
SIN
38h 18m
2 stops
Qatar Airways Logo
03:15 - 00:16
SIN
-
STL
34h 01m
2 stops
S$ 2,024Qatar Airways
Thu, 11 Jun - Tue, 16 Jun
Multiple Airlines Logo
06:02 - 09:20
STL
-
SIN
38h 18m
2 stops
Multiple Airlines Logo
03:15 - 00:16
SIN
-
STL
34h 01m
2 stops
S$ 2,035Multiple Airlines
Tue, 13 Oct - Tue, 27 Oct
Lufthansa Logo
13:29 - 16:30
STL
-
SIN
38h 01m
2 stops
Lufthansa Logo
23:55 - 14:55
SIN
-
STL
28h 00m
1 stop
S$ 2,120Lufthansa
Tue, 13 Oct - Tue, 27 Oct
Multiple Airlines Logo
20:45 - 13:55
STL
-
SIN
28h 10m
2 stops
Multiple Airlines Logo
15:45 - 14:20
SIN
-
STL
35h 35m
3 stops
S$ 2,157Multiple Airlines
Sat, 4 Jul - Sun, 12 Jul
Finnair Logo
17:19 - 18:30
STL
-
SIN
36h 11m
2 stops
Finnair Logo
21:35 - 18:31
SIN
-
STL
33h 56m
2 stops
S$ 2,184Finnair
Sun, 28 Jun - Sun, 5 Jul
Qatar Airways Logo
13:42 - 21:15
STL
-
SIN
42h 33m
2 stops
Qatar Airways Logo
19:40 - 00:16
SIN
-
STL
41h 36m
2 stops
S$ 2,202Qatar Airways
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$ 460 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$ 654 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of return tickets is S$ 1,536 and S$ 1,438 respectively.

Find deals

Good to know

Low seasonApril
Cheapest flightS$ 1,545
Best time to beat the crowds (9% 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

St. Louis (STL)