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Cheap flights from Southeast Asia to St. Louis from $531

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southeast Asia to St. Louis departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Southeast Asia to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
1:55 pm - 11:18 pm
SGN
-
STL
45h 23m
2 stops
Korean Air Logo
6:45 am - 11:15 pm
STL
-
SGN
28h 30m
2 stops
$1,031Korean Air
Tue, Oct 13 - Sat, Oct 17
Cathay Pacific Logo
8:00 am - 11:56 pm
MNL
-
STL
28h 56m
2 stops
Cathay Pacific Logo
9:08 am - 12:15 am
STL
-
MNL
26h 07m
2 stops
$1,196Cathay Pacific
Mon, May 25 - Sun, Jul 19
Qatar Airways Logo
8:30 pm - 8:03 pm
HKT
-
STL
35h 33m
2 stops
Qatar Airways Logo
9:46 am - 7:45 am
STL
-
HKT
33h 59m
2 stops
$1,217Qatar Airways
Thu, Sep 24 - Mon, Sep 28
Qatar Airways Logo
8:30 pm - 8:03 pm
HKT
-
STL
35h 33m
2 stops
Qatar Airways Logo
9:46 am - 7:45 am
STL
-
HKT
33h 59m
2 stops
$1,218Qatar Airways
Thu, Sep 24 - Mon, Sep 28
Japan Airlines Logo
9:40 am - 11:05 pm
BKK
-
STL
25h 25m
2 stops
Japan Airlines Logo
8:30 am - 5:05 am
STL
-
BKK
32h 35m
2 stops
$1,278Japan Airlines
Thu, Oct 22 - Mon, Oct 26
Japan Airlines Logo
9:40 am - 11:05 pm
BKK
-
STL
25h 25m
2 stops
Japan Airlines Logo
4:32 pm - 5:05 am
STL
-
BKK
24h 33m
2 stops
$1,279Japan Airlines
Thu, Oct 22 - Mon, Oct 26
Multiple Airlines Logo
5:45 am - 7:10 pm
MNL
-
STL
26h 25m
2 stops
Multiple Airlines Logo
7:56 pm - 11:40 am
STL
-
MNL
26h 44m
2 stops
$1,287Multiple Airlines
Mon, Jun 29 - Tue, Jul 21
United Airlines Logo
11:15 pm - 4:26 pm
SGN
-
STL
29h 11m
2 stops
United Airlines Logo
6:15 am - 10:05 pm
STL
-
SGN
27h 50m
3 stops
$1,295United Airlines
Tue, Oct 13 - Sat, Oct 17
United Airlines Logo
7:00 am - 11:45 pm
SGN
-
STL
28h 45m
3 stops
United Airlines Logo
6:15 am - 10:05 pm
STL
-
SGN
27h 50m
3 stops
$1,306United Airlines
Tue, Oct 13 - Sat, Oct 17
Multiple Airlines Logo
1:50 am - 12:15 am
SGN
-
STL
34h 25m
3 stops
Multiple Airlines Logo
7:41 pm - 11:40 am
STL
-
SGN
27h 59m
2 stops
$1,355Multiple Airlines
Sun, May 24 - Mon, Jun 1

Korean Air flights from Southeast Asia to St. Louis

Our best Korean Air deals on Southeast Asia to St. Louis flight tickets
Korean Air
Oct 13
SGN1:55 pmHo Chi Minh City
45h 23m
2 stops
STL11:18 pmLambert-St Louis
Oct 17
STL6:45 amLambert-St Louis
28h 30m
2 stops
SGN11:15 pmHo Chi Minh City
$1,031
Korean Air
Oct 14
MNL1:10 amManila Ninoy Aquino Intl
35h 08m
2 stops
STL11:18 pmLambert-St Louis
Oct 19
STL6:45 amLambert-St Louis
26h 20m
2 stops
MNL10:05 pmManila Ninoy Aquino Intl
$1,083

Qatar Airways flights from Southeast Asia to St. Louis

Our best Qatar Airways deals on Southeast Asia to St. Louis flight tickets
Qatar Airways
Sep 24
HKT8:30 pmPhuket City
35h 33m
2 stops
STL8:03 pmLambert-St Louis
Sep 28
STL9:46 amLambert-St Louis
33h 59m
2 stops
HKT7:45 amPhuket City
$1,217
Qatar Airways
Sep 24
HKT8:30 pmPhuket City
35h 33m
2 stops
STL8:03 pmLambert-St Louis
Sep 28
STL9:46 amLambert-St Louis
33h 59m
2 stops
HKT7:45 amPhuket City
$1,218
Qatar Airways
Sep 24
HKT8:30 pmPhuket City
38h 50m
2 stops
STL11:20 pmLambert-St Louis
Sep 28
STL9:46 amLambert-St Louis
33h 59m
2 stops
HKT7:45 amPhuket City
$1,230

momondo Fare Finder

 
Customize your flight search to find flights from Southeast Asia to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 9, 2026.
Use the filters below to find and compare flights from Southeast Asia to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 10/13

1:55 pm-11:18 pm

2 stops45h 23m

Lambert-St Louis

Sat 10/17

6:45 am-11:15 pm

2 stops28h 30m

$1,031

ManilaSt. Louis

MNL - STL

MNLSTL

Manila Ninoy Aquino Intl

Mon 5/25

8:00 am-11:56 pm

2 stops28h 56m

Lambert-St Louis

Sun 7/19

9:08 am-12:15 am

2 stops26h 07m

$1,196

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 9/24

8:30 pm-8:03 pm

2 stops35h 33m

Lambert-St Louis

Mon 9/28

9:46 am-7:45 am

2 stops33h 59m

$1,217

Phuket CitySt. Louis

HKT - STL

HKTSTL

Phuket City

Thu 9/24

8:30 pm-8:03 pm

2 stops35h 33m

Lambert-St Louis

Mon 9/28

9:46 am-7:45 am

2 stops33h 59m

$1,218

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 10/22

9:40 am-11:05 pm

2 stops25h 25m

Lambert-St Louis

Mon 10/26

8:30 am-5:05 am

2 stops32h 35m

$1,278
Quickest round-trip

BangkokSt. Louis

BKK - STL

BKKSTL

Bangkok Suvarnabhumi

Thu 10/22

9:40 am-11:05 pm

2 stops25h 25m

Lambert-St Louis

Mon 10/26

4:32 pm-5:05 am

2 stops24h 33m

$1,279

ManilaSt. Louis

MNL - STL

MNLSTL

Manila Ninoy Aquino Intl

Mon 6/29

5:45 am-7:10 pm

2 stops26h 25m

Lambert-St Louis

Tue 7/21

7:56 pm-11:40 am

2 stops26h 44m

$1,287

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 10/13

11:15 pm-4:26 pm

2 stops29h 11m

Lambert-St Louis

Sat 10/17

6:15 am-10:05 pm

3 stops27h 50m

$1,295

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Tue 10/13

7:00 am-11:45 pm

3 stops28h 45m

Lambert-St Louis

Sat 10/17

6:15 am-10:05 pm

3 stops27h 50m

$1,306

Ho Chi Minh CitySt. Louis

SGN - STL

SGNSTL

Ho Chi Minh City

Sun 5/24

1:50 am-12:15 am

3 stops34h 25m

Lambert-St Louis

Mon 6/1

7:41 pm-11:40 am

2 stops27h 59m

$1,355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Southeast Asia to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to St. Louis?

In general, November is the cheapest month to fly from Southeast Asia to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of February is another great option to travel to St. Louis, with average flight prices from Southeast Asia averaging around $818.

Can stopping save me money on Southeast Asia to St. Louis flights?

No. A direct flight is the cheapest option for a flight between Southeast Asia to St. Louis.

Cheap Southeast Asia to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southeast Asia to St. Louis

Fastest flight time

22h 12m

Direct flights

None
The fastest flight from Southeast Asia to St. Louis takes 22h 12m
There are no direct flights from Southeast Asia to St. Louis. There are no popular flight routes from Southeast Asia to St. Louis.
Search flight deals

Frequently asked questions about flying from Southeast Asia to St. Louis

  • When did momondo last update prices for flights from Southeast Asia to Lambert-St Louis Airport?

    Prices for flights from Southeast Asia to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Southeast Asia to Lambert-St Louis Airport?

  • How old do you have to be to fly from Southeast Asia to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Southeast Asia to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Southeast Asia to St. Louis?

Best airlines flying from Southeast Asia to St. Louis

Compare and see reviews for airlines that fly from Southeast Asia to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom $899Free CancellationRating
8.3
1,809 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $1,410Free CancellationRating
7.4
9,695 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Southeast Asia to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Southeast Asia to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Southeast Asia to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Southeast Asia on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Southeast Asia to St. Louis?

momondo helps you find the best flight between Southeast Asia and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Southeast Asia to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Southeast Asia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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