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Cheap flights from St. Louis (STL) to Incheon Intl (ICN) from $792

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — ICN
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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The best prices from Lambert-St Louis to Incheon Intl are usually found in January or June, booked 24 days in advance, depart on a Wednesday or Monday and return on a Thursday

Cheap flight deals from St. Louis to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Incheon Intl (ICN). 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 May 8, 2024.

Popular in

December

Cheapest in

January

Round-trip from

$1,256

One-way from

$922
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 24% potential price drop
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From Lambert-St Louis to Incheon Intl
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One-way flight from Lambert-St Louis to Incheon Intl
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What is the cheapest day to fly round-trip from St. Louis to Incheon Intl Airport?

Monday flights are found to be more expensive to fly from St. Louis to Incheon Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Incheon Intl Airport.

What is the cheapest month to fly from St. Louis to Incheon Intl Airport?

Our data shows that February tends to be the cheapest month to fly to Incheon Intl Airport from St. Louis. Users have commonly found prices around $1,800 for the month, but tickets can be as low as $1,355. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from St. Louis to Incheon Intl Airport (STL - ICN)?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Incheon Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the afternoon.

Cheap Finnair flights from St. Louis to Incheon Intl

Explore cheap flight options specifically provided by Finnair for the route between St. Louis and Incheon Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Find some of the cheapest Finnair flights traveling from St. Louis to Seoul. Make sure to double check the flight details before booking.
Sat 11/211:58 amSTL - ICN
2 stops34h 17mFinnair
Sun 11/1011:00 pmICN - STL
2 stops34h 16mFinnair
Deal found 5/7$1,364
Thu 6/137:00 amSTL - ICN
2 stops38h 20mFinnair
Thu 6/209:40 pmICN - STL
2 stops35h 03mFinnair
Deal found 5/7$2,108

Cheap Air Canada flights from St. Louis to Incheon Intl

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Incheon Intl. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Some of the lowest-priced Air Canada flights we've found at this time heading from St. Louis to Seoul. Check back soon if you're not seeing flights that suit your needs.
Wed 9/1812:00 pmSTL - ICN
1 stop38h 25mAir Canada
Wed 9/256:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/6$1,369
Sun 9/2912:00 pmSTL - ICN
1 stop38h 25mAir Canada
Sun 10/136:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/7$1,420
Fri 8/3012:00 pmSTL - ICN
1 stop38h 25mAir Canada
Fri 9/66:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/7$1,471
Mon 7/812:00 pmSTL - ICN
1 stop38h 25mAir Canada
Thu 7/186:00 pmICN - STL
2 stops35h 21mAir Canada
Deal found 5/7$2,070

Cheap St. Louis to Incheon Intl flights in May & June 2024

Find cheap flight options from St. Louis to Incheon Intl specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 8, 2024.
Check out some of the best flight deals from St. Louis to Seoul in 2024. For more flight deals, be sure to check back very soon.
Tue 5/146:02 pmSTL - ICN
2 stops59h 13mCathay Pacific
Thu 5/2310:10 amICN - STL
2 stops27h 07mCathay Pacific
Deal found 5/7$1,482
Thu 5/166:02 pmSTL - ICN
2 stops52h 33mCathay Pacific
Thu 5/2310:10 amICN - STL
2 stops27h 07mCathay Pacific
Deal found 5/7$1,609
Wed 5/156:02 pmSTL - ICN
2 stops30h 08mCathay Pacific
Wed 5/2210:10 amICN - STL
2 stops51h 07mCathay Pacific
Deal found 5/7$1,661
Tue 5/145:21 amSTL - ICN
1 stop19h 54mAmerican Airlines
Tue 5/215:25 pmICN - STL
1 stop19h 34mAmerican Airlines
Deal found 5/7$1,674
Mon 5/135:08 pmSTL - ICN
2 stops32h 07mAmerican Airlines
Tue 5/215:25 pmICN - STL
2 stops30h 28mAmerican Airlines
Deal found 5/7$1,677
Mon 5/135:08 pmSTL - ICN
2 stops32h 07mAmerican Airlines
Sat 5/185:25 pmICN - STL
1 stop19h 34mAmerican Airlines
Deal found 5/6$1,678
Sun 5/125:08 pmSTL - ICN
2 stops32h 07mAmerican Airlines
Sat 5/185:25 pmICN - STL
2 stops29h 45mAmerican Airlines
Deal found 5/7$1,679
Mon 5/137:20 pmSTL - ICN
1 stop29h 55mAmerican Airlines
Sat 5/185:25 pmICN - STL
1 stop16h 03mAmerican Airlines
Deal found 5/6$1,683
Fri 5/104:20 pmSTL - ICN
2 stops32h 55mAmerican Airlines
Mon 5/135:25 pmICN - STL
2 stops31h 45mAmerican Airlines
Deal found 5/6$1,687

St. Louis to Incheon Intl 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Incheon Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Check out some of the best flight deals from St. Louis to Seoul in 2024. For more flight deals, be sure to check back very soon.
Mon 8/267:00 amSTL - ICN
2 stops41h 10mMultiple Airlines
Sun 9/11:35 pmICN - STL
2 stops47h 07mMultiple Airlines
Deal found 5/6$1,316
Wed 9/182:34 pmSTL - ICN
2 stops30h 26mMultiple Airlines
Wed 9/257:45 pmICN - STL
2 stops31h 48mMultiple Airlines
Deal found 5/6$1,361
Sun 10/132:25 pmSTL - ICN
2 stops30h 35mMultiple Airlines
Mon 10/217:45 pmICN - STL
2 stops31h 43mMultiple Airlines
Deal found 5/8$1,362
Sat 11/211:58 amSTL - ICN
2 stops34h 17mFinnair
Sun 11/1011:00 pmICN - STL
2 stops34h 16mFinnair
Deal found 5/7$1,364
Wed 9/1812:00 pmSTL - ICN
1 stop38h 25mAir Canada
Wed 9/256:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/6$1,369
Sun 9/297:31 pmSTL - ICN
2 stops33h 14mMultiple Airlines
Sun 10/1312:00 pmICN - STL
2 stops39h 28mMultiple Airlines
Deal found 5/7$1,402
Tue 10/151:06 pmSTL - ICN
2 stops40h 09mCathay Pacific
Fri 10/2510:10 amICN - STL
2 stops47h 57mCathay Pacific
Deal found 5/7$1,406
Fri 8/307:00 amSTL - ICN
2 stops46h 15mMultiple Airlines
Fri 9/68:15 pmICN - STL
2 stops33h 25mMultiple Airlines
Deal found 5/7$1,413
Sun 9/2912:00 pmSTL - ICN
1 stop38h 25mAir Canada
Sun 10/136:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/7$1,420

St. Louis to Incheon Intl flights leaving soon

Find last-minute flight options from St. Louis to Incheon Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Book one of these great deals on flights from St. Louis to Seoul. Users should examine the flight details to ensure there are no surprises.
Tue 5/146:02 pmSTL - ICN
2 stops59h 13mCathay Pacific
Thu 5/2310:10 amICN - STL
2 stops27h 07mCathay Pacific
Deal found 5/7$1,482
Thu 5/166:02 pmSTL - ICN
2 stops52h 33mCathay Pacific
Thu 5/2310:10 amICN - STL
2 stops27h 07mCathay Pacific
Deal found 5/7$1,609
Wed 5/156:02 pmSTL - ICN
2 stops30h 08mCathay Pacific
Wed 5/2210:10 amICN - STL
2 stops51h 07mCathay Pacific
Deal found 5/7$1,661
Tue 5/145:21 amSTL - ICN
1 stop19h 54mAmerican Airlines
Tue 5/215:25 pmICN - STL
1 stop19h 34mAmerican Airlines
Deal found 5/7$1,674
Mon 5/135:08 pmSTL - ICN
2 stops32h 07mAmerican Airlines
Tue 5/215:25 pmICN - STL
2 stops30h 28mAmerican Airlines
Deal found 5/7$1,677
Mon 5/135:08 pmSTL - ICN
2 stops32h 07mAmerican Airlines
Sat 5/185:25 pmICN - STL
1 stop19h 34mAmerican Airlines
Deal found 5/6$1,678
Sun 5/125:08 pmSTL - ICN
2 stops32h 07mAmerican Airlines
Sat 5/185:25 pmICN - STL
2 stops29h 45mAmerican Airlines
Deal found 5/7$1,679
Mon 5/137:20 pmSTL - ICN
1 stop29h 55mAmerican Airlines
Sat 5/185:25 pmICN - STL
1 stop16h 03mAmerican Airlines
Deal found 5/6$1,683
Fri 5/104:20 pmSTL - ICN
2 stops32h 55mAmerican Airlines
Mon 5/135:25 pmICN - STL
2 stops31h 45mAmerican Airlines
Deal found 5/6$1,687

One-way flights to Incheon Intl from St. Louis

Search for one-way flight options from St. Louis to Incheon Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Seoul. Users can also find round-trip St. Louis to Seoul flights by using the search form above.
Wed 8/147:32 pmSTL - ICN
2 stops25h 28mMultiple Airlines
Deal found 5/6$792
Wed 8/76:10 pmSTL - ICN
2 stops31h 05mAmerican Airlines
Deal found 5/7$859
Wed 8/1412:00 pmSTL - ICN
2 stops38h 05mAir Canada
Deal found 5/6$867
Wed 8/1412:15 pmSTL - ICN
3 stops30h 30mMultiple Airlines
Deal found 5/6$899
Tue 5/212:36 pmSTL - ICN
3 stops40h 34mMultiple Airlines
Deal found 5/7$912
Mon 5/207:41 pmSTL - ICN
3 stops59h 14mMultiple Airlines
Deal found 5/7$922
Tue 7/25:30 pmSTL - ICN
2 stops34h 10mTurkish Airlines
Deal found 5/7$936
Wed 8/1410:10 amSTL - ICN
1 stop17h 10mKorean Air
Deal found 5/6$974
Tue 5/214:05 pmSTL - ICN
2 stops34h 00mAir Canada
Deal found 5/7$975

Find flights from St. Louis to Incheon Intl within your budget

Customize your flight search to find flights from St. Louis to Incheon Intl 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 2,749,864 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,316 - $1,817

Route

Depart

Return

Price

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Mon 8/26

2 stops41h 10m

Incheon Intl

Sun 9/1

2 stops47h 07m

$1,316

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sat 11/2

2 stops34h 17m

Incheon Intl

Sun 11/10

2 stops34h 16m

$1,364

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Wed 9/18

1 stop38h 25m

Incheon Intl

Wed 9/25

2 stops35h 20m

$1,369

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 10/15

2 stops40h 09m

Incheon Intl

Fri 10/25

2 stops47h 57m

$1,406

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Thu 9/5

1 stop17h 10m

Incheon Intl

Thu 9/12

1 stop23h 56m

$1,428

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Mon 9/23

2 stops30h 17m

Incheon Intl

Thu 10/24

1 stop16h 50m

$1,431

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Wed 8/7

2 stops21h 44m

Incheon Intl

Fri 8/16

2 stops24h 47m

$1,585

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 10/15

2 stops47h 59m

Incheon Intl

Thu 10/24

2 stops36h 38m

$1,590

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Wed 8/7

1 stop19h 40m

Incheon Intl

Fri 8/16

1 stop32h 18m

$1,817

Flights are sorted by cheapest first

Deals found on 5/6

When is the best time to book a flight from St. Louis to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Incheon Intl. Price data was last updated on May 3, 2024.
Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from St. Louis to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Incheon Intl. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Incheon Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Incheon Intl by month

Plan your trip from St. Louis to Incheon Intl by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Incheon Intl is currently $904 while a round-trip flight costs $1,478. Price data was last updated on May 5, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Incheon Intl Airport (average of $1,225). Flying from St. Louis to Incheon Intl Airport in July is currently the most expensive (average of $1,819). 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.

January

$1,225

February

$1,279

March

$1,324

April

$1,346

May

$1,435

June

$1,786

July

$1,819

August

$1,517

September

$1,410

October

$1,412

November

$1,317

December

$1,569

Temperature and rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature and rainfall totals by month.

SEL

Temperature

35.6 - 77 °F

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated May 8, 2024.
Read reviews from past customers who have flown Finnair, Air Canada and Cathay Pacific from St. Louis to Seoul. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.6
Very good
1,183 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.8

Food

8.2

Boarding

8.6

Overall

8.6

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Korean Air
8.6
Very good
1,183 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.8

Food

8.2

Boarding

8.6

Overall

8.6

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Japan Airlines
8.3
Very good
1,478 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.8

Food

8.2

Boarding

8.6

Overall

8.6

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Delta
8.1
Very good
10,810 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.8

Food

8.2

Boarding

8.6

Overall

8.6

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

KLM
7.9
Good
1,598 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.8

Food

8.2

Boarding

8.6

Overall

8.6

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Cathay Pacific
7.8
Good
1,100 reviews
Korean Air
8.6
Very good
1,183 reviews
Check prices

Comfort

8.3

Entertainment

8.2

Crew

8.8

Food

8.2

Boarding

8.6

Overall

8.6

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

Related info for your journey

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

    For a flight from St. Louis to Incheon Intl, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 0 outbound flights to Incheon Intl per day. 5 airlines have flights to Incheon Intl from Lambert-St Louis on a regular basis.

  • Can I find flights from St. Louis to Incheon Intl Airport for under $1,400 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Incheon Intl Airport for under $1,400. The cheapest flight booked recently is on Multiple Airlines for just $1,316, but on average you can expect to pay $1,428.

  • Are there last-minute flights available from St. Louis to Incheon Intl Airport for under $1,500?

    There are currently 20+ open flights from St. Louis to Incheon Intl Airport within the next 7 days for less than $1,500.

  • What are the cheapest airlines flying from St. Louis to Incheon Intl Airport round-trip?

    Finnair, at $1,364, was found to be the cheapest airline from St. Louis to Incheon Intl Airport.Alternate airlines to your destination round-trip include Air Canada and Cathay Pacific. Users have found that Finnair is 18% cheaper than the other options available to this destination.

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

    $859 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Air Canada and Turkish Airlines, with prices starting from $867 and $936, respectively.

  • What are the most popular airlines that fly from St. Louis to Incheon Intl Airport?

    The most popular airlines flying from St. Louis to Incheon Intl Airport are American Airlines, Air Canada and Delta. Something to consider prior to booking your flight.

  • What does STL to ICN mean?

    STL and ICN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to ICN refers to a flight route from Lambert-St Louis Airport to Incheon Intl Airport.

  • Can I find deals for flights from St. Louis to Incheon Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Incheon Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Incheon Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Incheon Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from St. Louis to Incheon Intl?

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

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

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

  • Can I find deals for flights from St. Louis to Incheon Intl that allow pets onboard?

    Many airlines flying from St. Louis to Incheon Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Incheon Intl?

    Yes, you can often find last-minute deals on St. Louis to Incheon Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Incheon Intl Airport flight deals updated?

    The St. Louis to Incheon Intl Airport flight deals you see on this page were last updated on 5/8.

See more FAQs

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Alternative routes for St. Louis to Incheon Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from St. Louis to Incheon Intl

Discover the top 5 airlines that operate flights from St. Louis to Incheon Intl. 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 2,749,864 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,217Average$1,349FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,335Average$1,750FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$1,386Average$1,631FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$1,555Average$1,762FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest$1,784Average$1,960FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
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Search flights from St. Louis to Incheon Intl by cabin class

Find flights from St. Louis to Incheon Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Incheon Intl?

When you search for this flight from St. Louis to Incheon Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Incheon Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Incheon Intl.

Can Cheapflights find flights from St. Louis to Incheon Intl with no change fees?

Need flexible booking options for your flight to Incheon Intl from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Incheon Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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