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Cheap flights from St. Louis (STL) to Incheon Intl (ICN) from $669

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 9/5. 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
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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The best prices from Lambert-St Louis to Incheon Intl are usually found in January or February, booked 87 days in advance, depart on a Wednesday or Monday and return on a Monday

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 28, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$1,256

One-way from

$708
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 27% 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?

Saturday 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 $1,786 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 in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.

Cheap American Airlines flights from St. Louis to Incheon Intl

Explore cheap flight options specifically provided by American Airlines 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 2,740,132 searches. Data last updated May 28, 2024.
Find some of the cheapest American Airlines flights traveling from St. Louis to Seoul. Make sure to double check the flight details before booking.
Tue 8/277:02 pmSTL - ICN
2 stops30h 13mAmerican Airlines
Tue 9/105:25 pmICN - STL
2 stops32h 33mAmerican Airlines
Deal found 5/28$1,271
Tue 8/276:03 pmSTL - ICN
2 stops31h 12mAmerican Airlines
Tue 9/105:25 pmICN - STL
2 stops29h 36mAmerican Airlines
Deal found 5/27$1,272
Tue 8/278:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Tue 9/105:25 pmICN - STL
1 stop31h 17mAmerican Airlines
Deal found 5/27$1,275
Tue 10/155:54 amSTL - ICN
1 stop19h 21mAmerican Airlines
Fri 10/255:25 pmICN - STL
1 stop16h 50mAmerican Airlines
Deal found 5/27$1,318
Tue 10/156:58 pmSTL - ICN
2 stops30h 17mAmerican Airlines
Fri 10/255:25 pmICN - STL
2 stops30h 39mAmerican Airlines
Deal found 5/27$1,319
Mon 8/265:00 amSTL - ICN
1 stop20h 15mAmerican Airlines
Fri 9/65:25 pmICN - STL
2 stops20h 28mAmerican Airlines
Deal found 5/27$1,321
Mon 8/265:00 amSTL - ICN
1 stop20h 15mAmerican Airlines
Fri 9/65:25 pmICN - STL
1 stop37h 25mAmerican Airlines
Deal found 5/27$1,325
Fri 10/185:54 amSTL - ICN
1 stop19h 21mAmerican Airlines
Sat 11/26:35 pmICN - STL
2 stops28h 34mAmerican Airlines
Deal found 5/27$1,371
Mon 8/55:46 pmSTL - ICN
2 stops31h 29mAmerican Airlines
Wed 8/145:25 pmICN - STL
2 stops36h 07mAmerican Airlines
Deal found 5/26$1,468

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 2,740,132 searches. Data last updated May 28, 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.
Sun 9/112:00 pmSTL - ICN
2 stops38h 05mAir Canada
Sat 9/76:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/27$1,335
Sun 10/274:10 pmSTL - ICN
2 stops33h 50mAir Canada
Sat 11/96:45 pmICN - STL
2 stops30h 08mAir Canada
Deal found 5/27$1,341
Fri 10/114:05 pmSTL - ICN
2 stops34h 20mAir Canada
Fri 10/186:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/27$1,392
Thu 10/312:00 pmSTL - ICN
2 stops38h 05mAir Canada
Sat 11/27:10 pmICN - STL
1 stop29h 43mAir Canada
Deal found 5/28$1,393
Thu 10/34:05 pmSTL - ICN
1 stop35h 25mAir Canada
Sat 11/27:10 pmICN - STL
1 stop35h 13mAir Canada
Deal found 5/28$1,399
Thu 9/512:00 pmSTL - ICN
2 stops38h 05mAir Canada
Thu 9/126:00 pmICN - STL
2 stops41h 05mAir Canada
Deal found 5/28$1,498
Thu 9/512:00 pmSTL - ICN
2 stops38h 05mAir Canada
Thu 9/126:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/27$1,504
Sat 10/55:34 pmSTL - ICN
2 stops32h 31mAir Canada
Sat 11/27:10 pmICN - STL
1 stop29h 43mAir Canada
Deal found 5/28$3,206

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 2,740,132 searches. Prices were last updated on May 28, 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 6/2411:15 amSTL - ICN
2 stops31h 30mMultiple Airlines
Mon 7/110:30 amICN - STL
2 stops37h 53mMultiple Airlines
Deal found 5/27$2,105
Thu 5/3011:00 amSTL - ICN
2 stops39h 05mAir Canada
Wed 8/146:00 pmICN - STL
2 stops35h 21mAir Canada
Deal found 5/27$2,154
Sat 6/84:45 pmSTL - ICN
2 stops21h 35mUnited Airlines
Fri 6/284:50 pmICN - STL
2 stops31h 14mUnited Airlines
Deal found 5/27$2,344
Mon 6/249:50 amSTL - ICN
3 stops29h 20mMultiple Airlines
Mon 7/19:30 pmICN - STL
2 stops30h 53mMultiple Airlines
Deal found 5/27$2,376
Mon 6/247:15 amSTL - ICN
1 stop19h 35mDelta
Mon 7/17:40 pmICN - STL
1 stop17h 40mDelta
Deal found 5/27$2,448
Thu 5/306:11 amSTL - ICN
1 stop19h 09mDelta
Wed 8/144:35 pmICN - STL
2 stops22h 20mDelta
Deal found 5/28$2,449
Thu 5/307:10 pmSTL - ICN
1 stop19h 20mMultiple Airlines
Wed 8/1410:35 amICN - STL
1 stop16h 51mMultiple Airlines
Deal found 5/28$2,452
Thu 5/306:11 amSTL - ICN
1 stop19h 09mDelta
Wed 8/144:35 pmICN - STL
2 stops22h 20mDelta
Deal found 5/27$2,454
Thu 5/306:11 amSTL - ICN
1 stop19h 09mKorean Air
Wed 8/144:25 pmICN - STL
1 stop21h 14mKorean Air
Deal found 5/27$2,470

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 2,740,132 searches. Data last updated May 28, 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 8/277:02 pmSTL - ICN
2 stops30h 13mAmerican Airlines
Tue 9/105:25 pmICN - STL
2 stops32h 33mAmerican Airlines
Deal found 5/28$1,271
Tue 8/276:03 pmSTL - ICN
2 stops31h 12mAmerican Airlines
Tue 9/105:25 pmICN - STL
2 stops29h 36mAmerican Airlines
Deal found 5/27$1,272
Tue 8/278:04 amSTL - ICN
1 stop17h 11mAmerican Airlines
Tue 9/105:25 pmICN - STL
1 stop31h 17mAmerican Airlines
Deal found 5/27$1,275
Tue 10/155:54 amSTL - ICN
1 stop19h 21mAmerican Airlines
Fri 10/255:25 pmICN - STL
1 stop16h 50mAmerican Airlines
Deal found 5/27$1,318
Tue 10/156:58 pmSTL - ICN
2 stops30h 17mAmerican Airlines
Fri 10/255:25 pmICN - STL
2 stops30h 39mAmerican Airlines
Deal found 5/27$1,319
Mon 8/265:00 amSTL - ICN
1 stop20h 15mAmerican Airlines
Fri 9/65:25 pmICN - STL
2 stops20h 28mAmerican Airlines
Deal found 5/27$1,321
Mon 8/265:00 amSTL - ICN
1 stop20h 15mAmerican Airlines
Fri 9/65:25 pmICN - STL
1 stop37h 25mAmerican Airlines
Deal found 5/27$1,325
Sun 9/112:00 pmSTL - ICN
2 stops38h 05mAir Canada
Sat 9/76:00 pmICN - STL
2 stops35h 20mAir Canada
Deal found 5/27$1,335
Sun 10/274:10 pmSTL - ICN
2 stops33h 50mAir Canada
Sat 11/96:45 pmICN - STL
2 stops30h 08mAir Canada
Deal found 5/27$1,341

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 2,740,132 searches. Data last updated May 28, 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.
Thu 9/56:18 pmSTL - ICN
3 stops34h 42mMultiple Airlines
Deal found 5/28$669
Thu 9/59:37 amSTL - ICN
2 stops38h 33mCathay Pacific
Deal found 5/28$708
Tue 7/23:27 pmSTL - ICN
2 stops33h 48mAmerican Airlines
Deal found 5/27$778
Wed 7/105:22 amSTL - ICN
1 stop19h 53mAmerican Airlines
Deal found 5/27$779
Tue 7/25:27 pmSTL - ICN
1 stop31h 48mAmerican Airlines
Deal found 5/28$793
Fri 7/126:09 pmSTL - ICN
2 stops31h 06mAmerican Airlines
Deal found 5/27$829
Thu 9/54:05 pmSTL - ICN
1 stop35h 25mAir Canada
Deal found 5/28$885
Mon 6/175:31 pmSTL - ICN
2 stops25h 14mTurkish Airlines
Deal found 5/27$1,006
Mon 6/177:29 pmSTL - ICN
3 stops36h 51mMultiple Airlines
Deal found 5/27$1,245

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 2,740,132 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,271 - $2,504

Route

Depart

Return

Price

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 8/27

2 stops30h 13m

Incheon Intl

Tue 9/10

2 stops32h 33m

$1,271

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 8/27

2 stops31h 12m

Incheon Intl

Tue 9/10

2 stops29h 36m

$1,272

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 9/1

2 stops38h 05m

Incheon Intl

Sat 9/7

2 stops35h 20m

$1,335

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Thu 9/5

1 stop24h 01m

Incheon Intl

Thu 9/12

1 stop23h 56m

$1,368

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 9/1

1 stop37h 11m

Incheon Intl

Sat 9/7

1 stop33h 18m

$1,511

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Tue 10/15

2 stops47h 59m

Incheon Intl

Thu 10/24

2 stops36h 38m

$1,568

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Thu 8/8

2 stops29h 12m

Incheon Intl

Fri 8/16

2 stops37h 38m

$1,577

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Thu 7/4

2 stops34h 10m

Incheon Intl

Mon 7/15

2 stops67h 10m

$2,151

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sat 6/8

1 stop31h 00m

Incheon Intl

Fri 6/28

1 stop16h 51m

$2,504

Flights are sorted by cheapest first

Deals found on 5/28

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 24, 2024.
Booking 87 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 26, 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

Best time to book a flight from St. Louis to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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.

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 28, 2024.
Read reviews from past customers who have flown American Airlines, Air Canada and Delta 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
8.5
Very good
1,152 reviews
Check prices

Boarding

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Korean Air
8.5
Very good
1,152 reviews
Korean Air
8.5
Very good
1,152 reviews
Check prices

Boarding

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Delta
8.0
Very good
10,476 reviews
Korean Air
8.5
Very good
1,152 reviews
Check prices

Boarding

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Cathay Pacific
7.8
Good
1,056 reviews
Korean Air
8.5
Very good
1,152 reviews
Check prices

Boarding

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Qatar Airways
7.7
Good
4,342 reviews
Korean Air
8.5
Very good
1,152 reviews
Check prices

Boarding

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

Turkish Airlines
7.4
Good
3,715 reviews
Korean Air
8.5
Very good
1,152 reviews
Check prices

Boarding

8.6

Comfort

8.3

Food

8.1

Overall

8.5

Entertainment

8.2

Crew

8.8

Reviews

1 / 10

This particular Delta Air Lines flight may not have met your expectations in terms of the food served on board. It appears that the portions were smaller than anticipated and the side dishes were minimal- no salad, no bread rolls, no fruits. Perhaps there are ways in which the airline could improve the dining experience for their passengers. Why can't Delta offer better customer service when other non American airlines are able to do it?

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 $1,300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Incheon Intl Airport for under $1,300. The cheapest flight booked recently is on American Airlines for just $1,271, but on average you can expect to pay $1,375.

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

    American Airlines, at $1,271, 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 Delta. Users have found that American Airlines is 27% 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?

    $708 is the cheapest one-way deal found within the past few days, from Cathay Pacific. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $778 and $885, respectively.

  • 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 5/28.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Incheon Intl Airport (average of $1,218). Flying from St. Louis to Incheon Intl Airport in June is currently the most expensive (average of $1,772). 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 Incheon Intl
See prices for flight routes from nearby airports that may be better suited for you.

Kansas City to Incheon Intl flights
St. Louis to Gimpo Intl flights
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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 2,740,132 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,217Average$1,349FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest$1,305Average$1,747FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$1,424Average$1,645FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$1,563Average$1,778FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest$1,761Average$1,969FlexibilityNo 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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Can Cheapflights notify me if prices for flights from St. Louis to Incheon Intl become cheaper?

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