S$ 1,329 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 2-9. 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.
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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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Best Southeast Asia Flight Deals from St. Louis

Cheapest return prices found by our users on KAYAK in the last 72 hours

Singapore
Singapore2 stopsS$ 1,329
Singapore
Singapore2 stopsS$ 1,329

Cheap Flight Deals from St. Louis to Southeast Asia (STL-zzYJX)

 
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.

Recent return flight deals from St. Louis to Southeast Asia

Recommended return flight deals departing in the coming months from the most popular airlines that fly from St. Louis to Southeast Asia.
Discover the best prices for you by selecting your travel dates on KAYAK.
Air Canada Logo
09:15 - 07:05STL-SIN
32h 50m2 stops
Air Canada Logo
09:10 - 15:18SIN-STL
43h 08m2 stops
S$ 1,329Air Canada
Find Deal
Tue, 2 Sep - Tue, 16 Sep
United Airlines Logo
17:49 - 06:15STL-SIN
23h 26m1 stop
United Airlines Logo
08:45 - 16:53SIN-STL
21h 08m1 stop
S$ 1,431United Airlines
Find Deal
Mon, 1 Sep - Tue, 16 Sep
Delta Logo
08:55 - 05:00STL-SIN
31h 05m2 stops
Delta Logo
01:10 - 13:20SIN-STL
25h 10m2 stops
S$ 1,450Delta
Find Deal
Mon, 1 Sep - Sun, 14 Sep
Cathay Pacific Logo
06:52 - 11:45STL-SIN
39h 53m2 stops
Cathay Pacific Logo
01:50 - 21:52SIN-STL
33h 02m2 stops
S$ 1,773Cathay Pacific
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Sun, 11 May - Tue, 20 May
 Logo
18:30 - 12:00STL-SIN
28h 30m2 stops
 Logo
15:10 - 15:44SIN-STL
37h 34m3 stops
S$ 1,936
Find Deal
Tue, 2 Sep - Tue, 16 Sep
China Airlines Logo
18:22 - 00:35STL-SIN
41h 13m2 stops
China Airlines Logo
02:00 - 00:04SIN-STL
59h 04m2 stops
S$ 2,233China Airlines
Find Deal
Sat, 24 May - Sat, 31 May
Cathay Pacific Logo
06:28 - 00:50STL-SIN
29h 22m2 stops
Cathay Pacific Logo
01:50 - 22:13SIN-STL
33h 23m2 stops
S$ 2,804Cathay Pacific
Find Deal
Thu, 19 Jun - Fri, 4 Jul
Delta Logo
06:30 - 05:00STL-SIN
33h 30m2 stops
Delta Logo
01:10 - 23:39SIN-STL
35h 29m2 stops
S$ 3,569Delta
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Tue, 9 Sep - Mon, 22 Sep
 Logo
18:30 - 17:35STL-SIN
34h 05m1 stop
 Logo
09:00 - 23:56SIN-STL
27h 56m1 stop
S$ 4,707
Find Deal
Thu, 25 Sep - Sat, 4 Oct
China Airlines Logo
18:22 - 00:35STL-SIN
41h 13m2 stops
China Airlines Logo
02:00 - 17:18SIN-STL
52h 18m2 stops
S$ 8,024China Airlines
Find Deal
Sat, 24 May - Sat, 31 May
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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.

What is the cheapest time of day to fly to Southeast Asia?

The average price for all round-trip flights from St. Louis to Southeast Asia depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Southeast Asia is generally in the morning, when retur flights cost S$ 1,695 on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is S$ 1,695.

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 November, when tickets cost S$ 1,656 (return) on average. On the other hand, the most expensive months are August and December, when the average cost of return tickets is S$ 2,549 and S$ 2,503 respectively.

Good to know

Low season

July

High season

December

Cheapest flight

S$ 1,329
Best time to beat the crowds but there is an average 18% increase in price.
Most popular time to fly (18% more expensive 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

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