Asia

$408+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ICN
Mar 30 — Apr 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Asia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$831
(United)

One-way from

$408
(United Airlines)

Popular in

June

Cheapest in

August

Average price

$1,407

Good round-trip deal

$1,447 or less
Provider with most accurate pricing for Lambert-St Louis-Manila Ninoy Aquino Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Manila Ninoy Aquino Intl flights.
From Lambert-St Louis to Asia
One-way flight from Lambert-St Louis to Asia
Highest demand for flights based on searches. 17% potential increase in price ($313 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Lambert-St Louis to Asia.

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 March 25, 2025.

This Justfly.com deal was found by Cheapflights users on 3/24. 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.
Fri 8/298:20 amSTL - HND
1 stop17h 05mANA
Mon 9/85:15 pmHND - STL
1 stop16h 12mANA
Deal found 3/24$733
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 11/28:25 amSTL - HND
1 stop17h 25mUnited Airlines
Thu 11/209:55 pmHND - STL
2 stops17h 32mUnited Airlines
Deal found 3/24$738
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Sun 11/25:15 amSTL - NRT
1 stop17h 55mUnited Airlines
Wed 11/195:00 pmNRT - STL
1 stop15h 03mUnited Airlines
Deal found 3/24$739
This Delta deal was found by Cheapflights users on 3/24. 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.
Thu 10/3010:45 amSTL - HND
1 stop17h 00mDelta
Fri 11/215:35 pmHND - STL
1 stop20h 26mDelta
Deal found 3/24$741
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:55 pmSTL - NRT
1 stop34h 05mAlaska Airlines
Tue 11/186:25 pmNRT - STL
1 stop20h 31mAlaska Airlines
Deal found 3/24$744
This American Airlines deal was found by Cheapflights users on 3/23. 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 10/147:00 amSTL - HND
1 stop17h 20mAmerican Airlines
Wed 10/224:30 pmHND - STL
1 stop15h 48mAmerican Airlines
Deal found 3/23$759
This Air Canada deal was found by Cheapflights users on 3/24. 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 9/25:30 pmSTL - NRT
2 stops32h 15mAir Canada
Tue 9/95:25 pmNRT - STL
1 stop35h 51mAir Canada
Deal found 3/24$802
This KAYAK deal was found by Cheapflights users on 3/24. 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.
Sun 11/25:15 amSTL - NRT
1 stop17h 55mANA
Thu 11/205:05 pmNRT - STL
1 stop34h 15mANA
Deal found 3/24$817
This Gurufare deal was found by Cheapflights users on 3/24. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:19 amSTL - HND
1 stop21h 06mJapan Airlines
Thu 11/2010:50 amHND - STL
1 stop15h 09mJapan Airlines
Deal found 3/24$838
This Air Canada deal was found by Cheapflights users on 3/24. 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.
Fri 9/54:05 pmSTL - HND
1 stop33h 45mAir Canada
Sat 9/136:10 pmHND - STL
1 stop35h 06mAir Canada
Deal found 3/24$839
This Mytrip deal was found by Cheapflights users on 3/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:50 amSTL - NRT
1 stop15h 25mJapan Airlines
Sun 9/146:15 pmNRT - STL
1 stop15h 39mJapan Airlines
Deal found 3/23$858
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/285:26 amSTL - NRT
1 stop19h 34mAmerican Airlines
Mon 6/26:15 pmNRT - STL
1 stop17h 40mAmerican Airlines
Deal found 3/23$888

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 March 25, 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

Sun 4/27

5:35 pm-1:55 pm

2 stops30h 20m

Tokyo Haneda

Wed 4/30

10:40 am-12:20 pm

1 stop15h 40m

$831

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 5/3

5:29 pm-3:25 pm

2 stops31h 56m

Tokyo Narita

Tue 5/13

5:35 pm-12:19 pm

2 stops32h 44m

$836

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 4/28

5:54 pm-2:20 pm

2 stops30h 26m

Tokyo Narita

Mon 6/2

5:00 pm-10:39 am

2 stops31h 39m

$853

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 4/30

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

Wed 5/7

5:00 pm-3:49 pm

1 stop36h 49m

$866

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 4/28

5:26 am-3:00 pm

1 stop19h 34m

Tokyo Narita

Mon 6/2

6:15 pm-9:55 pm

1 stop17h 40m

$888

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Wed 4/30

6:15 am-2:20 pm

1 stop18h 05m

Tokyo Haneda

Wed 5/7

10:55 am-3:27 pm

1 stop18h 32m

$923

St. LouisFukuoka

STL - FUK

STLFUK

Lambert-St Louis

Thu 7/3

10:00 am-5:35 pm

2 stops41h 35m

Fukuoka

Thu 7/10

11:40 am-4:54 am

2 stops31h 14m

$934

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Thu 5/1

2:30 pm-3:50 pm

1 stop35h 20m

Tokyo Haneda

Thu 5/8

6:10 pm-12:36 pm

1 stop32h 26m

$935

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 3/30

9:39 am-3:55 pm

1 stop16h 16m

Tokyo Haneda

Tue 4/8

5:15 pm-8:04 pm

1 stop16h 49m

$937

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

Sun 4/6

7:04 am-3:55 pm

1 stop18h 51m

Tokyo Haneda

Wed 4/16

7:45 pm-11:16 pm

1 stop17h 31m

$1,023

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 results
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from St. Louis to Asia (average of $1,002). Flying from St. Louis to Asia in June is currently the most expensive (average of $1,664). 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 March 25, 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 March 25, 2025.

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
8.3
Very good

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Crew

8.6

Food

8.0

Boarding

8.4

Comfort

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 ($408), American Airlines ($426), and Air Canada ($448).

  • What are the most popular routes 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, February is the cheapest month in which you can book a flight from St. Louis to Asia (average of $1,002). Flying from St. Louis to Asia in June is currently the most expensive (average of $1,664). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Asia

See prices for flight routes from nearby airports that may be better suited for you.

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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$1,285FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$691Average$1,245FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$738Average$1,315FlexibilityNo cancel feeOn-time69%
DeltaCheapest$738Average$1,575FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$799Average$1,294FlexibilityNo cancel feeOn-time67%
ANACheapest$880Average$1,298FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$940Average$1,656FlexibilityNo cancel feeOn-time68%
KLMCheapest$954Average$1,628FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$984Average$1,751FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$1,040Average$1,320FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.