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$345+ Cheap flights from St. Louis (STL) to 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ICN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from St. Louis to Asia

Cheapest flights from St. Louis to Asia
Explore the most affordable flight options available from St. Louis to Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Air Canada deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/284:05 pmSTL - NRT
1 stop33h 25mAir Canada
mar. 1/136:45 pmNRT - STL
2 stops35h 44mAir Canada
Deal found 12/11$891
This Booking.com deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/269:55 amSTL - NRT
2 stops39h 35mAir Canada
mar. 12/306:15 pmNRT - STL
2 stops59h 11mAir Canada
Deal found 12/9$1,032
This Air Canada deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:27 pmSTL - NRT
2 stops32h 03mAir Canada
sáb. 12/276:45 pmNRT - STL
2 stops35h 44mAir Canada
Deal found 12/11$1,082
This Gotogate deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:42 pmSTL - NRT
2 stops54h 48mAir Canada
vie. 12/196:15 pmNRT - STL
2 stops43h 28mAir Canada
Deal found 12/11$1,116
This Delta deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/286:29 amSTL - HND
1 stop20h 16mDelta
mar. 1/134:25 pmHND - STL
1 stop15h 12mDelta
Deal found 12/9$1,182
This Booking.com deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/243:10 pmSTL - NRT
2 stops58h 10mAir Canada
lun. 12/296:15 pmNRT - STL
2 stops57h 12mAir Canada
Deal found 12/9$1,215
This KAYAK deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/288:01 pmSTL - NRT
1 stop27h 39mMultiple Airlines
mar. 1/136:10 pmNRT - STL
1 stop34h 44mMultiple Airlines
Deal found 12/9$1,244
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:00 amSTL - DEL
2 stops48h 50mJapan Airlines
mar. 2/107:55 pmDEL - STL
2 stops33h 49mJapan Airlines
Deal found 12/10$1,288
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/318:15 amSTL - DEL
2 stops26h 05mUnited Airlines
mar. 2/1011:55 pmDEL - STL
1 stop22h 16mUnited Airlines
Deal found 12/10$1,386
This FlightHub deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/286:30 amSTL - HND
1 stop20h 15mANA
mar. 1/136:20 pmHND - STL
1 stop16h 07mANA
Deal found 12/11$1,388
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:55 amSTL - HND
1 stop16h 50mUnited Airlines
mar. 1/134:25 pmHND - STL
2 stops19h 33mUnited Airlines
Deal found 12/11$1,399
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:41 amSTL - HKG
1 stop22h 39mUnited Airlines
dom. 1/1110:00 amHKG - STL
2 stops33h 11mUnited Airlines
Deal found 12/10$1,417

Find flight deals from St. Louis to Asia

Keep the following information in mind while searching for St. Louis to Asia flight deals. Data was last updated diciembre 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$640
(Air Canada)

One-way from

$345
(Air Canada)

Popular in

June

Cheapest in

October

Average price

$1,854
Provider with most accurate pricing for Lambert-St Louis-Manila Ninoy Aquino Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Manila Ninoy Aquino Intl flights.
Search Deals
From Lambert-St Louis to Asia
Search Deals
One-way flight from Lambert-St Louis to Asia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($282 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Asia 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from St. Louis to Asia that are best for you.

Fly from

St. Louis

Fly to

Asia

Route

Depart

Return

Price

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

dom. 2/15

6:45 pm-4:40 pm

2 stops30h 55m

Tokyo Haneda

mié. 2/25

6:50 pm-3:29 pm

1 stop35h 39m

$640

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

dom. 2/15

4:05 pm-4:30 pm

1 stop33h 25m

Tokyo Narita

mié. 2/25

6:45 pm-3:29 pm

1 stop35h 44m

$641

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

vie. 2/27

6:45 pm-3:29 pm

1 stop35h 44m

$641

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

lun. 2/9

4:05 pm-4:40 pm

1 stop33h 35m

Tokyo Haneda

vie. 2/27

6:50 pm-10:36 am

2 stops30h 46m

$655

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 2/2

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

vie. 2/6

6:30 pm-10:46 pm

1 stop19h 16m

$678

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 1/26

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

mié. 2/4

6:30 pm-1:54 pm

1 stop34h 24m

$686

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

mar. 1/20

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

mar. 1/27

6:30 pm-1:54 pm

1 stop34h 24m

$686

St. LouisNew Delhi

STL - DEL

STLDEL

Lambert-St Louis

dom. 1/18

6:00 am-9:50 pm

2 stops28h 20m

New Delhi Indira Gandhi Intl

jue. 1/29

11:55 pm-10:41 am

1 stop22h 16m

$688

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

mar. 1/20

11:20 am-4:20 pm

2 stops38h 00m

Tokyo Narita

mar. 1/27

6:45 pm-3:29 pm

2 stops35h 44m

$694

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

lun. 2/9

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

vie. 2/27

6:20 pm-9:05 pm

1 stop17h 45m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from St. Louis to Asia

Have a flexible travel schedule? Discover the best time to fly to 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 Asia

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to Asia (average of $586). Flying from St. Louis to Asia in June is currently the most expensive (average of $922). 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 AS?

Find hourly flight availability from St. Louis to Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 13% on flights from St. Louis to Asia by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Asia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their St. Louis to Asia flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Asia

Get insights into the airlines that provide service to Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Asia. Reviews last updated diciembre 12, 2025.
Peruse reviews from past customers who have flown with Delta, Qatar Airways, and United Airlines from St. Louis to Asia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qatar Airways
7.4
Good
3,677 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,094 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,517 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,626 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to 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 Asia?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Asia. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Asia?

    Departing from St. Louis to Asia will take you 28h 20m. There are 7711 mi between St. Louis and Asia. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from St. Louis to Asia are Japan Airlines ($293), Delta ($360), and United Airlines ($372).

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

    Most travelers choose Lambert-St Louis - Tokyo Narita, Lambert-St Louis - Tokyo Haneda or Lambert-St Louis - Bangkok Suvarnabhumi when deciding on the best route from St. Louis to Asia.

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to 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 Asia?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Asia (average of $586). Flying from St. Louis to Asia in June is currently the most expensive (average of $922). 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

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Alternative routes for St. Louis to Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from St. Louis to Asia

Discover the top 10 airlines that operate flights from St. Louis to Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$422Average$1,264FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$629Average$1,084FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$633Average$1,230FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$691Average$1,076FlexibilityNo cancel feeOn-time79%
ANACheapest$703Average$1,285FlexibilityNo cancel feeOn-time80%
DeltaCheapest$722Average$1,179FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$897Average$1,288FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$932Average$1,236FlexibilityNo cancel feeOn-time76%
Cathay PacificCheapest$937Average$1,393FlexibilityNo cancel feeOn-time72%
Korean AirCheapest$999Average$1,704FlexibilityNo cancel feeOn-time81%

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