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$338+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ICN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from St. Louis to Asia

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Asia (AS0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$781
(United)

One-way from

$338
(Kiwi.com)

Good round-trip deal

$1,447 or less
From Lambert-St Louis to Asia
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One-way flight from Lambert-St Louis to Asia
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Price to beat on a round-trip flight from Lambert-St Louis to Asia.
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Find 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 January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/188:20 amSTL - NRT
1 stop16h 25mUnited Airlines
Tue 2/255:30 pmNRT - STL
1 stop18h 14mUnited Airlines
Deal found 1/21$720
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/186:30 amSTL - HND
1 stop20h 15mUnited Airlines
Mon 2/2412:50 amHND - STL
2 stops26h 53mUnited Airlines
Deal found 1/21$723
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 9/176:00 amSTL - HND
2 stops20h 15mDelta
Wed 9/244:20 pmHND - STL
2 stops18h 10mDelta
Deal found 1/21$728
This Orbitz deal was found by Cheapflights users on 1/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/167:00 amSTL - NRT
2 stops25h 05mMultiple Airlines
Sat 11/16:10 pmNRT - STL
1 stop19h 46mMultiple Airlines
Deal found 1/21$729
This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:00 amSTL - NRT
1 stop19h 40mJapan Airlines
Mon 10/205:20 pmNRT - STL
1 stop19h 33mJapan Airlines
Deal found 1/20$749
This Justfly.com deal was found by Cheapflights users on 1/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/216:30 amSTL - HND
1 stop20h 15mANA
Tue 1/286:20 pmHND - STL
1 stop16h 42mANA
Deal found 1/20$786
This Booking.com deal was found by Cheapflights users on 1/20. 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.
Wed 1/226:15 amSTL - NRT
1 stop17h 55mANA
Fri 1/245:05 pmNRT - STL
1 stop32h 49mANA
Deal found 1/20$788
This FlightHub deal was found by Cheapflights users on 1/20. 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.
Sun 2/165:45 amSTL - HND
1 stop18h 10mJapan Airlines
Mon 2/2410:50 amHND - STL
1 stop15h 35mJapan Airlines
Deal found 1/20$791
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Mon 9/151:30 pmSTL - ICN
1 stop36h 50mAir Canada
Mon 11/176:50 pmICN - STL
2 stops35h 36mAir Canada
Deal found 1/21$793
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/215:03 amSTL - NRT
1 stop19h 27mAmerican Airlines
Tue 1/285:30 pmNRT - STL
1 stop20h 26mAmerican Airlines
Deal found 1/20$794
This Gotogate deal was found by Cheapflights users on 1/20. 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.
Thu 2/136:30 amSTL - HND
1 stop20h 15mMultiple Airlines
Mon 2/176:50 pmHND - STL
1 stop35h 16mMultiple Airlines
Deal found 1/20$835
This Air Canada deal was found by Cheapflights users on 1/21. 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.
Tue 2/183:32 pmSTL - NRT
2 stops33h 58mAir Canada
Tue 2/256:45 pmNRT - STL
2 stops35h 21mAir Canada
Deal found 1/21$857

Find flights from St. Louis to Asia within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 4/23

3:40 pm-2:45 pm

2 stops33h 05m

Tokyo Narita

Sat 5/3

5:00 pm-9:48 pm

2 stops18h 48m

$776

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Tue 4/15

3:40 pm-5:00 am

2 stops23h 20m

Tokyo Haneda

Fri 5/2

5:15 pm-2:50 pm

1 stop35h 35m

$785

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/3

11:30 am-9:05 pm

1 stop18h 35m

Tokyo Haneda

Mon 2/10

6:20 pm-8:02 pm

1 stop16h 42m

$790

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 2/16

5:45 am-2:55 pm

1 stop18h 10m

Tokyo Haneda

Mon 2/24

10:50 am-11:25 am

1 stop15h 35m

$791

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/17

6:15 am-3:10 pm

1 stop17h 55m

Tokyo Narita

Mon 2/24

5:55 pm-3:11 pm

1 stop36h 16m

$792

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

Thu 3/6

3:50 pm-3:15 pm

2 stops32h 25m

Incheon Intl

Thu 3/13

7:10 pm-3:06 pm

1 stop33h 56m

$799

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Mon 2/17

7:15 am-5:45 pm

2 stops19h 30m

Tokyo Haneda

Mon 2/24

5:20 pm-11:37 pm

2 stops21h 17m

$807

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 4/23

7:04 am-3:00 pm

1 stop17h 56m

Tokyo Narita

Sat 5/3

6:25 pm-8:42 am

1 stop28h 17m

$815

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Thu 2/13

6:30 am-5:45 pm

1 stop20h 15m

Tokyo Haneda

Mon 2/17

6:50 pm-3:06 pm

1 stop35h 16m

$835

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/11

3:50 pm-4:30 pm

2 stops33h 40m

Tokyo Narita

Tue 2/18

6:45 pm-3:06 pm

2 stops35h 21m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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.

Travel insights for flights from St. Louis to Asia

Get recent, data-driven insights about flights from St. Louis to Asia including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Asia (average of $1,086). Flying from St. Louis to Asia in June is currently the most expensive (average of $1,722). 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 January 21, 2025.

When flying from St. Louis to 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 Asia by month

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

In terms of precipitation, rainfall in 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 Asia when rainfall is around 0.4 in.

Temperature in Asia by month

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

If weather is an important factor for your trip to 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 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 January 21, 2025.
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,039 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very good
852 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very good
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta
8.0
Very good
8,521 reviews
Korean Air
8.5
Very good
1,039 reviews

Food

8.1

Boarding

8.5

Overall

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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.

  • 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 United Airlines ($381), Japan Airlines ($432), and ANA ($438).

  • 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 - Incheon Intl 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, October is the cheapest month in which you can book a flight from St. Louis to Asia (average of $1,086). Flying from St. Louis to Asia in June is currently the most expensive (average of $1,722). 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$244Average$1,558FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$367Average$1,448FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$812Average$1,693FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$870Average$1,399FlexibilityNo cancel feeOn-time67%
DeltaCheapest$902Average$1,599FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$940Average$1,663FlexibilityNo cancel feeOn-time68%
Korean AirCheapest$984Average$1,753FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$1,041Average$1,346FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$1,065Average$1,496FlexibilityNo cancel feeOn-time77%
FinnairCheapest$1,080Average$1,499FlexibilityNo cancel feeOn-time76%
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