S$ 978 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 15-11. 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.
Return
1 adult
Economy
Search 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
...and more
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
Best Southeast Asia Flight Deals
Cheapest return prices found by our users on KAYAK in the last 72 hours
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (7% 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 to Southeast Asia from St. Louis is likely to change within 7 days, so travelers 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 to Southeast Asia with an airline and back to St. Louis 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 to Southeast Asia from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
See more FAQs
Book cheap flights from St. Louis to Southeast Asia
Recent return flight deals
These are the cheapest return flights from St. Louis to Southeast Asia found on KAYAK in the last 72 hours.
28-2Fri
2 stopsUnited Airlines
36h 39mSTL-SIN
11-3Tue
2 stopsUnited Airlines
26h 52mSIN-STL
S$ 1,673
1-12Sun
1 stopUnited Airlines
35h 15mSTL-SIN
7-12Sat
2 stopsUnited Airlines
36h 21mSIN-STL
S$ 1,686
22-3Sat
2 stopsUnited Airlines
39h 43mSTL-SIN
28-3Fri
2 stopsUnited Airlines
35h 42mSIN-STL
S$ 1,772
28-2Fri
2 stopsQatar Airways
35h 45mSTL-SIN
10-3Mon
2 stopsQatar Airways
31h 25mSIN-STL
S$ 1,774
27-4Sun
2 stopsCathay Pacific
27h 53mSTL-SIN
2-5Fri
2 stopsCathay Pacific
27h 54mSIN-STL
S$ 1,784
28-2Fri
2 stopsUnited Airlines
36h 39mSTL-SIN
11-3Tue
1 stopUnited Airlines
25h 14mSIN-STL
S$ 1,817
27-4Sun
2 stopsCathay Pacific
27h 53mSTL-SIN
1-5Thu
2 stopsCathay Pacific
34h 09mSIN-STL
S$ 1,819
27-4Sun
3 stops
44h 30mSTL-SIN
2-5Fri
2 stops
34h 15mSIN-STL
S$ 2,156
28-2Fri
2 stops
29h 44mSTL-SIN
10-3Mon
3 stops
27h 55mSIN-STL
S$ 2,280
15-12Sun
2 stopsKLM
34h 54mSTL-SIN
21-12Sat
2 stopsKLM
33h 55mSIN-STL
S$ 2,883
Search by stops
Search by airline
Search by price
Recent one-way flight deals
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to Southeast Asia found on KAYAK in the last 72 hours.
15-11Fri
2 stops
34h 05mSTL-SIN
S$ 978
15-11Fri
2 stopsCathay Pacific
33h 23mSTL-SIN
S$ 1,051
15-11Fri
1 stopUnited Airlines
23h 06mSTL-SIN
S$ 1,073
15-11Fri
1 stopUnited Airlines
23h 06mSTL-SIN
S$ 1,075
15-11Fri
3 stopsCathay Pacific
38h 49mSTL-SIN
S$ 1,491
15-11Fri
3 stopsCathay Pacific
38h 49mSTL-SIN
S$ 1,493
Search by stops
Search by airline
Search by price
Everything you need to know for your flight to Southeast Asia
Information on your arrival and departure airports
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Flights from all regions of St. Louis to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.