What are the cheapest airlines to fly from St. Louis to Southeast Asia one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $606. However, be on the lookout for offers from United Airlines and China Airlines, as they are both options that can get you from St. Louis to Southeast Asia for a low price.

What are the most popular routes from St. Louis to Southeast Asia?

When deciding which route to take from St. Louis to Southeast Asia consider Lambert-St Louis - Bangkok Suvarnabhumi, Lambert-St Louis - Manila Ninoy Aquino Intl or Lambert-St Louis - Cebu City Mactan Intl as they are the most popular.

What are the most popular airlines that fly from St. Louis to Southeast Asia?

Before booking your flight from St. Louis to Southeast Asia check out the most popular airlines for this route: American Airlines, Air Canada or Finnair.

What is the cheapest month to fly from St. Louis to Southeast Asia?

Our data shows that August tends to be the cheapest month to fly to Southeast Asia from St. Louis. Users have commonly found prices around $1,504 for the month, but tickets can be as low as $1,143. Due to multiple factors, prepare for potentially higher prices in June.

What airport do you fly from for flights from St. Louis to Southeast Asia?

If you book a flight to Southeast Asia from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

Can I find deals for flights from St. Louis to Southeast Asia that include hotel bookings?

Yes. In addition to deals on St. Louis to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Southeast Asia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Southeast Asia.

Can I find deals for business class flights from St. Louis to Southeast Asia?

Yes. Cheapflights offers flight deals from St. Louis to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$606+ Flights from St. Louis to Southeast Asia

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Cheap flight deals from St. Louis to Southeast Asia

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$941 (Orbitz)
One-way from	$606 (Delta)
Popular in	June
Cheapest in	August
Average price	$1,386

Provider with most accurate pricing for Lambert-St Louis-Manila Ninoy Aquino Intl flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Manila Ninoy Aquino Intl flights.

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From Lambert-St Louis to Southeast Asia

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One-way flight from Lambert-St Louis to Southeast Asia

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($314 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from St. Louis to Southeast Asia

Cheapest flights from St. Louis to Southeast Asia
Explore the most affordable flight options available from St. Louis to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Tue 9/307:36 pmSTL - SGN

2 stops26h 04mMultiple Airlines

Tue 10/285:50 pmSGN - STL

2 stops32h 02mMultiple Airlines

Deal found 4/25

$941

Tue 9/303:17 pmSTL - SGN

2 stops30h 23mChina Airlines

Mon 10/272:05 amSGN - STL

2 stops47h 47mChina Airlines

Deal found 4/25

$976

Mon 9/88:10 amSTL - SGN

2 stops25h 45mANA

Sun 10/1211:15 pmSGN - STL

2 stops32h 12mANA

Deal found 4/25

$989

Tue 9/307:36 pmSTL - BKK

2 stops26h 09mMultiple Airlines

Tue 10/75:30 pmBKK - STL

2 stops32h 22mMultiple Airlines

Deal found 4/25

$993

Tue 10/286:45 amSTL - SGN

3 stops28h 10mUnited Airlines

Tue 11/2511:05 pmSGN - STL

2 stops30h 58mUnited Airlines

Deal found 4/25

$1,001

Tue 9/303:17 pmSTL - MNL

2 stops29h 18mChina Airlines

Thu 10/910:35 amMNL - STL

2 stops50h 21mChina Airlines

Deal found 4/24

$1,004

Tue 9/307:36 pmSTL - BKK

2 stops28h 34mChina Airlines

Mon 10/62:40 amBKK - STL

2 stops57h 16mChina Airlines

Deal found 4/25

$1,019

Mon 10/69:20 amSTL - DAD

2 stops39h 20mANA

Mon 11/1012:35 amDAD - STL

2 stops31h 50mANA

Deal found 4/25

$1,022

Sun 9/143:17 pmSTL - DAD

2 stops37h 18mMultiple Airlines

Mon 10/135:35 pmDAD - STL

2 stops42h 21mMultiple Airlines

Deal found 4/25

$1,026

Fri 9/124:05 pmSTL - MNL

2 stops49h 15mAir Canada

Fri 9/199:25 amMNL - STL

2 stops47h 32mAir Canada

Deal found 4/25

$1,052

Tue 11/187:00 amSTL - HKT

2 stops34h 50mQatar Airways

Tue 12/212:50 amHKT - STL

2 stops36h 06mQatar Airways

Deal found 4/25

$1,066

Tue 10/146:30 amSTL - DAD

2 stops43h 10mDelta

Mon 10/203:40 pmDAD - STL

2 stops44h 57mDelta

Deal found 4/25

$1,091

Best flights from St. Louis to Southeast Asia
Discover carefully curated flight deals from St. Louis to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 25, 2025.

Tue 9/307:36 pmSTL - SGN

2 stops26h 04mMultiple Airlines

Tue 10/285:50 pmSGN - STL

2 stops32h 02mMultiple Airlines

Deal found 4/25

$941

Tue 9/303:17 pmSTL - SGN

2 stops30h 23mChina Airlines

Mon 10/272:05 amSGN - STL

2 stops47h 47mChina Airlines

Deal found 4/25

$976

Mon 9/88:10 amSTL - SGN

2 stops25h 45mANA

Sun 10/1211:15 pmSGN - STL

2 stops32h 12mANA

Deal found 4/25

$989

Tue 9/308:25 amSTL - SGN

2 stops25h 30mUnited Airlines

Tue 10/286:00 amSGN - STL

3 stops28h 06mUnited Airlines

Deal found 4/25

$1,012

Fri 9/124:05 pmSTL - MNL

2 stops49h 15mAir Canada

Fri 9/199:25 amMNL - STL

2 stops47h 32mAir Canada

Deal found 4/25

$1,052

Tue 10/146:30 amSTL - DAD

2 stops43h 10mDelta

Sun 11/23:45 pmDAD - STL

2 stops44h 17mDelta

Deal found 4/25

$1,091

Thu 10/167:00 amSTL - HKT

2 stops47h 50mQatar Airways

Tue 10/288:20 amHKT - STL

2 stops51h 36mQatar Airways

Deal found 4/24

$1,149

Wed 10/18:26 amSTL - BKK

2 stops57h 24mJapan Airlines

Sat 10/258:05 amBKK - STL

2 stops26h 48mJapan Airlines

Deal found 4/24

$1,150

Mon 5/126:52 amSTL - BKK

2 stops40h 13mCathay Pacific

Mon 6/911:00 amBKK - STL

2 stops24h 00mCathay Pacific

Deal found 4/24

$1,254

Tue 9/168:50 amSTL - DAD

2 stops40h 50mKorean Air

Thu 10/163:40 pmDAD - STL

2 stops43h 22mKorean Air

Deal found 4/25

$1,306

Wed 5/73:08 pmSTL - DPS

2 stops35h 07mEVA Air

Mon 5/124:30 pmDPS - STL

2 stops44h 29mEVA Air

Deal found 4/24

$1,340

Mon 10/203:30 pmSTL - DAD

3 stops42h 20mEmirates

Fri 11/1411:30 pmDAD - STL

3 stops32h 55mEmirates

Deal found 4/25

$1,504

Last-minute flights from St. Louis to Southeast Asia
Discover last-minute flight deals from St. Louis to Southeast Asia. Data last updated April 25, 2025 and is based on user searches.

Mon 4/286:15 amSTL - BKK

2 stops29h 35mCathay Pacific

Wed 5/145:30 pmBKK - STL

2 stops41h 15mCathay Pacific

Deal found 4/24

$1,151

Mon 4/283:44 pmSTL - KUL

2 stops34h 01mQatar Airways

Mon 6/232:55 amKUL - STL

2 stops29h 40mQatar Airways

Deal found 4/25

$1,372

Tue 4/298:00 amSTL - SGN

2 stops25h 55mMultiple Airlines

Thu 5/111:15 pmSGN - STL

2 stops34h 33mMultiple Airlines

Deal found 4/25

$1,284

Wed 4/306:15 amSTL - CEB

2 stops26h 50mUnited Airlines

Wed 5/219:15 amCEB - STL

2 stops27h 37mUnited Airlines

Deal found 4/25

$1,164

Wed 4/306:00 amSTL - CEB

2 stops28h 30mMultiple Airlines

Tue 5/201:00 amCEB - STL

2 stops35h 26mMultiple Airlines

Deal found 4/25

$5,113

Mon 5/510:39 amSTL - BKK

2 stops29h 56mUnited Airlines

Mon 5/199:35 amBKK - STL

2 stops43h 32mUnited Airlines

Deal found 4/25

$1,103

Mon 5/59:10 amSTL - BKK

2 stops34h 10mQatar Airways

Sun 5/182:30 amBKK - STL

2 stops48h 57mQatar Airways

Deal found 4/25

$1,280

Mon 5/59:20 amSTL - BKK

3 stops31h 55mMultiple Airlines

Mon 5/1910:45 pmBKK - STL

3 stops30h 00mMultiple Airlines

Deal found 4/25

$1,556

Wed 5/76:00 amSTL - CEB

2 stops28h 30mKorean Air

Mon 5/261:00 amCEB - STL

2 stops35h 26mKorean Air

Deal found 4/25

$1,327

Wed 5/73:08 pmSTL - DPS

2 stops35h 07mEVA Air

Mon 5/124:30 pmDPS - STL

2 stops44h 29mEVA Air

Deal found 4/24

$1,340

Sat 5/103:08 pmSTL - BKK

2 stops37h 12mChina Airlines

Sat 10/251:20 pmBKK - STL

2 stops46h 36mChina Airlines

Deal found 4/25

$1,272

Sun 5/116:11 pmSTL - SIN

1 stop35h 14mUnited Airlines

Wed 5/219:00 amSIN - STL

1 stop26h 45mUnited Airlines

Deal found 4/24

$1,103

One-way flights from St. Louis to Southeast Asia
Search for one-way flight options from St. Louis to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated April 25, 2025.

Thu 9/188:50 amSTL - BKK

2 stops28h 15mDelta

Deal found 4/25

$606

Mon 7/286:00 amSTL - SIN

1 stop23h 25mUnited Airlines

Deal found 4/24

$614

Sun 10/127:00 amSTL - MNL

2 stops43h 50mChina Airlines

Deal found 4/24

$619

Tue 5/207:30 amSTL - SIN

2 stops34h 35mAir Canada

Deal found 4/25

$681

Sun 7/65:15 pmSTL - MNL

3 stops42h 00mMultiple Airlines

Deal found 4/25

$691

Thu 7/105:27 pmSTL - MNL

2 stops27h 08mCathay Pacific

Deal found 4/25

$696

Tue 5/206:22 pmSTL - SIN

3 stops45h 38mMultiple Airlines

Deal found 4/25

$728

Wed 5/213:03 pmSTL - BKK

3 stops54h 37mMultiple Airlines

Deal found 4/25

$790

Tue 6/36:18 pmSTL - BKK

2 stops28h 52mEVA Air

Deal found 4/25

$970

Sun 7/65:51 pmSTL - MNL

1 stop23h 04mUnited Airlines

Deal found 4/25

$993

Sat 5/316:22 pmSTL - HAN

2 stops34h 28mChina Airlines

Deal found 4/25

$1,047

Tue 5/207:00 amSTL - SIN

1 stop22h 25mLufthansa

Deal found 4/25

$1,276

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 9/30

7:36 pm-9:40 am

2 stops26h 04m

Ho Chi Minh City

Tue 10/28

5:50 pm-1:52 pm

2 stops32h 02m

$941

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 9/30

3:17 pm-9:40 am

2 stops30h 23m

Ho Chi Minh City

Mon 10/27

2:05 am-1:52 pm

2 stops47h 47m

$976

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Mon 9/8

8:10 am-9:55 pm

2 stops25h 45m

Ho Chi Minh City

Sun 10/12

11:15 pm-7:27 pm

2 stops32h 12m

$989

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Tue 9/30

7:36 pm-9:45 am

2 stops26h 09m

Bangkok Suvarnabhumi

Tue 10/7

5:30 pm-1:52 pm

2 stops32h 22m

$993

St. LouisManila

STL - MNL

STLMNL

Lambert-St Louis

Tue 9/30

3:17 pm-9:35 am

2 stops29h 18m

Manila Ninoy Aquino Intl

Thu 10/9

10:35 am-11:56 pm

2 stops50h 21m

$1,004

St. LouisHo Chi Minh City

STL - SGN

STLSGN

Lambert-St Louis

Tue 9/30

8:25 am-9:55 pm

2 stops25h 30m

Ho Chi Minh City

Tue 10/28

6:00 am-10:06 pm

3 stops28h 06m

$1,012

St. LouisBangkok

STL - BKK

STLBKK

Lambert-St Louis

Tue 9/30

7:36 pm-12:10 pm

2 stops28h 34m

Bangkok Suvarnabhumi

Mon 10/6

2:40 am-11:56 pm

2 stops57h 16m

$1,019

St. LouisDa Nang

STL - DAD

STLDAD

Lambert-St Louis

Mon 10/6

9:20 am-12:40 pm

2 stops39h 20m

Da Nang

Mon 11/10

12:35 am-7:25 pm

2 stops31h 50m

$1,022

St. LouisDa Nang

STL - DAD

STLDAD

Lambert-St Louis

Sun 9/14

3:17 pm-4:35 pm

2 stops37h 18m

Da Nang

Mon 10/13

5:35 pm-11:56 pm

2 stops42h 21m

$1,026

St. LouisManila

STL - MNL

STLMNL

Lambert-St Louis

Fri 9/12

4:05 pm-6:20 am

2 stops49h 15m

Manila Ninoy Aquino Intl

Fri 9/19

9:25 am-7:57 pm

2 stops47h 32m

$1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 46 results

...

Best time to book a flight from St. Louis to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from St. Louis with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Southeast Asia

What is the cheapest month to book a flight from St. Louis to Southeast Asia?

Currently, March is the cheapest month in which you can book a flight from St. Louis to Southeast Asia (average of $958). Flying from St. Louis to Southeast Asia in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to YJX?

When flying from St. Louis to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Southeast Asia by month

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Southeast Asia

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from St. Louis to Southeast Asia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

EVA Air

8.4

Very good

1,180 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Korean Air

8.4

Very good

1,063 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Japan Airlines

8.3

Very good

1,453 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

China Airlines

8.3

Very good

729 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

ANA

8.3

Very good

852 reviews

EVA Air

8.4

Very good

1,180 reviews

Reviews

1 / 20

10.0

Excellent

Gary,Apr 2025

DPS - TPE

The staff was excellent. Kind, courteous, and overall just hospitable. Definitely recommend

Related info for your journey

What airport do you fly from for flights from St. Louis to Southeast Asia?
If you book a flight to Southeast Asia from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.
What are the cheapest airlines to fly from St. Louis to Southeast Asia one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $606. However, be on the lookout for offers from United Airlines and China Airlines, as they are both options that can get you from St. Louis to Southeast Asia for a low price.
What are the most popular routes from St. Louis to Southeast Asia?
When deciding which route to take from St. Louis to Southeast Asia consider Lambert-St Louis - Bangkok Suvarnabhumi, Lambert-St Louis - Manila Ninoy Aquino Intl or Lambert-St Louis - Cebu City Mactan Intl as they are the most popular.
Can I find deals for flights from St. Louis to Southeast Asia that include hotel bookings?
Yes. In addition to deals on St. Louis to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Southeast Asia.
Can I find deals for business class flights from St. Louis to Southeast Asia?
Yes. Cheapflights offers flight deals from St. Louis to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Southeast Asia?
Currently, March is the cheapest month in which you can book a flight from St. Louis to Southeast Asia (average of $958). Flying from St. Louis to Southeast Asia in December is currently the most expensive (average of $1,574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from St. Louis to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$940	Average$1,366	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$990	Average$1,563	FlexibilityNo cancel fee	On-timeN/A
Japan Airlines	Cheapest$994	Average$1,339	FlexibilityNo cancel fee	On-time79%
ANA	Cheapest$995	Average$1,260	FlexibilityNo cancel fee	On-time80%
Air Canada	Cheapest$1,038	Average$1,402	FlexibilityNo cancel fee	On-time67%
Turkish Airlines	Cheapest$1,065	Average$1,198	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$1,070	Average$1,204	FlexibilityNo cancel fee	On-time71%
Korean Air	Cheapest$1,124	Average$1,763	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$1,148	Average$1,649	FlexibilityNo cancel fee	On-time68%
Cathay Pacific	Cheapest$1,207	Average$1,420	FlexibilityNo cancel fee	On-time72%

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$606+ Cheap flights from St. Louis (STL) to Southeast Asia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Southeast Asia with Cheapflights

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Cheap flight deals from St. Louis to Southeast Asia

Keep the following information in mind while searching for St. Louis to Southeast Asia flight deals. Data was last updated April 25, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Southeast Asia

Cheapest flights from St. Louis to Southeast AsiaExplore the most affordable flight options available from St. Louis to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Explore the most affordable flight options available from St. Louis to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Southeast Asia that are best for you.

Best time to book a flight from St. Louis to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Southeast Asia

What is the cheapest month to book a flight from St. Louis to Southeast Asia?

What is the cheapest time of day to fly from STL to YJX?

Find hourly flight availability from St. Louis to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

Reviews of airlines servicing Southeast Asia

Read reviews from past customers who have flown EVA Air, Korean Air and Japan Airlines from St. Louis to Southeast Asia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from St. Louis to Southeast Asia?

What are the cheapest airlines to fly from St. Louis to Southeast Asia one-way?

What are the most popular routes from St. Louis to Southeast Asia?

Can I find deals for flights from St. Louis to Southeast Asia that include hotel bookings?

How can I find direct flights from St. Louis to Southeast Asia?

Can I find deals for business class flights from St. Louis to Southeast Asia?

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Cheapest flights from St. Louis to Southeast Asia
Explore the most affordable flight options available from St. Louis to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.