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Cheap flights from Southeast Asia to St. Louis from $486

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 11/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Southeast Asia to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:55 pm - 6:41 pmMNL  Manila Ninoy Aquino Intl-STL Lambert-St Louis
55h 46m2 stops Incheon Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
2:40 pm - 6:20 amSTL  Lambert-St Louis-MNL Manila Ninoy Aquino Intl
50h 40m2 stops Toronto Pearson Intl Vancouver Intl
$892Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
Air Canada Logo
7:05 am - 8:20 pmBKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
25h 15m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
8:55 am - 11:35 pmSTL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
26h 40m2 stops Toronto Pearson Intl Incheon Intl
$1,081Air Canada
Mon, Sep 21 - Tue, Sep 29
Multiple Airlines Logo
5:50 pm - 6:38 pmBKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
60h 48m2 stops Taipei City Taiwan Taoyuan Intl Seattle/Tacoma Intl
Multiple Airlines Logo
3:19 pm - 4:40 pmSTL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
37h 21m2 stops Seattle/Tacoma Intl Taipei City Taiwan Taoyuan Intl
$1,085Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Air Canada Logo
7:05 am - 6:41 pmBKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
47h 36m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
8:55 am - 5:05 amSTL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
56h 10m2 stops Toronto Pearson Intl Vancouver Intl
$1,094Air Canada
Wed, Oct 14 - Sun, Oct 18
Air Canada Logo
9:50 am - 2:00 pmBKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
40h 10m2 stops Incheon Intl Toronto Pearson Intl
Air Canada Logo
11:35 am - 5:05 amSTL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
29h 30m2 stops Chicago O'Hare Intl Vancouver Intl
$1,095Air Canada
Thu, Oct 1 - Wed, Oct 7
Air Canada Logo
10:25 am - 10:32 amMNL  Manila Ninoy Aquino Intl-STL Lambert-St Louis
38h 07m2 stops Vancouver Intl Chicago O'Hare Intl
Air Canada Logo
6:50 pm - 6:45 amSTL  Lambert-St Louis-MNL Manila Ninoy Aquino Intl
45h 55m2 stops Chicago O'Hare Intl Vancouver Intl
$1,101Air Canada
Wed, Nov 11 - Sun, Nov 15
Air Canada Logo
10:25 am - 10:32 amMNL  Manila Ninoy Aquino Intl-STL Lambert-St Louis
38h 07m2 stops Vancouver Intl Chicago O'Hare Intl
Air Canada Logo
6:50 pm - 6:45 amSTL  Lambert-St Louis-MNL Manila Ninoy Aquino Intl
45h 55m2 stops Chicago O'Hare Intl Vancouver Intl
$1,103Air Canada
Wed, Nov 11 - Sun, Nov 15
Qatar Airways Logo
8:00 pm - 8:57 pmSGN  Ho Chi Minh City-STL Lambert-St Louis
36h 57m2 stops Doha Hamad Intl Chicago O'Hare Intl
Qatar Airways Logo
11:31 am - 1:50 pmSTL  Lambert-St Louis-SGN Ho Chi Minh City
38h 19m2 stops Chicago O'Hare Intl Doha Hamad Intl
$1,104Qatar Airways
Wed, Oct 7 - Sun, Oct 11
Japan Airlines Logo
9:40 pm - 11:30 pmBKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
37h 50m2 stops Tokyo Haneda Los Angeles
Japan Airlines Logo
11:01 am - 5:45 amSTL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
30h 44m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,278Japan Airlines
Wed, Sep 23 - Sun, Sep 27
Japan Airlines Logo
9:40 pm - 11:30 pmBKK  Bangkok Suvarnabhumi-STL Lambert-St Louis
37h 50m2 stops Tokyo Haneda Los Angeles
Japan Airlines Logo
11:01 am - 5:45 amSTL  Lambert-St Louis-BKK Bangkok Suvarnabhumi
30h 44m2 stops Chicago O'Hare Intl Tokyo Haneda
$1,280Japan Airlines
Wed, Sep 23 - Sun, Sep 27

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Air Canada flights from Southeast Asia to St. Louis

Our best Air Canada deals on Southeast Asia to St. Louis flight tickets
Air Canada
Sep 21
BKK7:05 amBangkok Suvarnabhumi
25h 15m
2 stops
STL8:20 pmLambert-St Louis
Sep 29
STL8:55 amLambert-St Louis
26h 40m
2 stops
BKK11:35 pmBangkok Suvarnabhumi
$1,081
Air Canada
Oct 14
BKK7:05 amBangkok Suvarnabhumi
47h 36m
2 stops
STL6:41 pmLambert-St Louis
Oct 18
STL8:55 amLambert-St Louis
56h 10m
2 stops
BKK5:05 amBangkok Suvarnabhumi
$1,094
Air Canada
Oct 1
BKK9:50 amBangkok Suvarnabhumi
40h 10m
2 stops
STL2:00 pmLambert-St Louis
Oct 7
STL11:35 amLambert-St Louis
29h 30m
2 stops
BKK5:05 amBangkok Suvarnabhumi
$1,095

United Airlines flights from Southeast Asia to St. Louis

Our best United Airlines deals on Southeast Asia to St. Louis flight tickets
United Airlines
Sep 3
SGN11:15 pmHo Chi Minh City
27h 42m
2 stops
STL2:57 pmLambert-St Louis
Sep 7
STL6:53 pmLambert-St Louis
39h 12m
3 stops
SGN10:05 pmHo Chi Minh City
$1,376
United Airlines
Sep 3
SGN11:15 pmHo Chi Minh City
31h 24m
2 stops
STL6:39 pmLambert-St Louis
Sep 7
STL5:30 pmLambert-St Louis
40h 35m
3 stops
SGN10:05 pmHo Chi Minh City
$1,377
United Airlines
Nov 2
SGN6:00 amHo Chi Minh City
25h 05m
3 stops
STL6:05 pmLambert-St Louis
Feb 3
STL6:15 amLambert-St Louis
26h 35m
2 stops
SGN9:50 pmHo Chi Minh City
$1,382

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 August 10, 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

ManilaSt. Louis

MNL Manila Ninoy Aquino Intl - STL Lambert-St Louis

MNLSTL

Manila Ninoy Aquino Intl

Tue 9/15

11:55 pm-6:41 pm

2 stops55h 46m

Lambert-St Louis

Tue 9/22

2:40 pm-6:20 am

2 stops50h 40m

$892
Quickest round-trip

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Mon 9/21

7:05 am-8:20 pm

2 stops25h 15m

Lambert-St Louis

Tue 9/29

8:55 am-11:35 pm

2 stops26h 40m

$1,081

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Tue 9/22

5:50 pm-6:38 pm

2 stops60h 48m

Lambert-St Louis

Tue 9/29

3:19 pm-4:40 pm

2 stops37h 21m

$1,085

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 10/14

7:05 am-6:41 pm

2 stops47h 36m

Lambert-St Louis

Sun 10/18

8:55 am-5:05 am

2 stops56h 10m

$1,094

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Thu 10/1

9:50 am-2:00 pm

2 stops40h 10m

Lambert-St Louis

Wed 10/7

11:35 am-5:05 am

2 stops29h 30m

$1,095

ManilaSt. Louis

MNL Manila Ninoy Aquino Intl - STL Lambert-St Louis

MNLSTL

Manila Ninoy Aquino Intl

Wed 11/11

10:25 am-10:32 am

2 stops38h 07m

Lambert-St Louis

Sun 11/15

6:50 pm-6:45 am

2 stops45h 55m

$1,101

ManilaSt. Louis

MNL Manila Ninoy Aquino Intl - STL Lambert-St Louis

MNLSTL

Manila Ninoy Aquino Intl

Wed 11/11

10:25 am-10:32 am

2 stops38h 07m

Lambert-St Louis

Sun 11/15

6:50 pm-6:45 am

2 stops45h 55m

$1,103

Ho Chi Minh CitySt. Louis

SGN Ho Chi Minh City - STL Lambert-St Louis

SGNSTL

Ho Chi Minh City

Wed 10/7

8:00 pm-8:57 pm

2 stops36h 57m

Lambert-St Louis

Sun 10/11

11:31 am-1:50 pm

2 stops38h 19m

$1,104

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 9/23

9:40 pm-11:30 pm

2 stops37h 50m

Lambert-St Louis

Sun 9/27

11:01 am-5:45 am

2 stops30h 44m

$1,278

BangkokSt. Louis

BKK Bangkok Suvarnabhumi - STL Lambert-St Louis

BKKSTL

Bangkok Suvarnabhumi

Wed 9/23

9:40 pm-11:30 pm

2 stops37h 50m

Lambert-St Louis

Sun 9/27

11:01 am-5:45 am

2 stops30h 44m

$1,280

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 April is another great option to travel to St. Louis, with average flight prices from Southeast Asia averaging around $952.

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

26h 15m

Direct flights

None
The fastest flight from Southeast Asia to St. Louis takes 26h 15m
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 $952Free CancellationRating
8.3
1,893 reviews
Search Japan 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
Fairview Heights
Hermann
St. Peters
Maryland Heights
Florissant
Collinsville
Alton
O'Fallon
Clayton
Farmington
Fenton
Wentzville
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

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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