Award flights from Seoul Incheon (ICN) to St. Louis (STL)
Search flights from Seoul Incheon (ICN) to St. Louis (STL)
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In the last 30 days AwardTool saw award space on 5 programs for ICN→STL. Lowest economy: 35,000 miles + $41.23 (American Airlines AAdvantage). Lowest business class: 227,500 miles + $42.09 (American Airlines AAdvantage); mixed cabin from 180,540 points + $112.20 (Air Canada Aeroplan). Lowest first class: 185,000 points + $42.09 (Alaska Atmos Rewards).
Prices observed – ; newest observation .
Page regenerated from the Oct 19, 2026 data snapshot (normally daily). Summary last changed . Seats change quickly.
Seoul Incheon (ICN) to St. Louis (STL) at a glance
- From
- Incheon International, Seoul, South Korea (ICN)
- To
- St. Louis Lambert International, St. Louis, Missouri, United States (STL)
- Programs with award space seen
- 5 of 5 programs tracked on this route
- Nonstop award space seen
- Not seen in the last 30 days
- Airlines seen on these awards
- American Airlines (AA), Air Canada (AC), Alaska Airlines (AS), Delta Air Lines (DL), Hainan Airlines (HU), Korean Air (KE), Asiana Airlines (OZ), United Airlines (UA)
- Departures with open awards
- Oct 2026 to Jul 2027
- Most dates with space
- 12 of 13 departure dates checked (American Airlines AAdvantage, economy)
- Latest departure with space
- Observation window
- Awards observed in the last 30 days
- Destination guide
- Award flights to St. Louis (STL)
Compare programs by cabin
The lowest one-way award each program showed in each cabin, sorted by points.
Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 35,000 pts + $41.23 | 2 stops | American Airlines (AA), Alaska Airlines (AS) | — | 12 | See dates | |
| Alaska Atmos Rewards | 42,500 pts + $62.09 | 1 stop | American Airlines (AA), Alaska Airlines (AS), Hainan Airlines (HU) | 2 | 6 | See dates | |
| Qantas Frequent Flyer | 48,200 pts + $274.03 | 1 stop | American Airlines (AA), Alaska Airlines (AS) | 1 | 6 | See dates | |
| Air Canada Aeroplan | 50,000 pts + $112.10 | 1 stop | Air Canada (AC), Asiana Airlines (OZ), United Airlines (UA) | 9+ | 7 | See dates | |
| Delta SkyMiles | 68,000 pts + $40.73 | 1 stop | Delta Air Lines (DL), Korean Air (KE) | 9+ | 6 | See dates |
Premium Economy
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| American Airlines AAdvantageLowest observed | 96,500 pts + $41.23 | 1 stop | American Airlines (AA) | — | 12 | See dates | |
| Air Canada Aeroplan | 97,041 pts + $112.20 | 2 stops | Air Canada (AC), United Airlines (UA) | 6 | 7 | See dates | |
| Delta SkyMiles | 130,000 pts + $40.73 | 1 stop | Delta Air Lines (DL) | 9+ | 6 | See dates |
Not seen in premium economy: Alaska Atmos Rewards and Qantas Frequent Flyer.
Business Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Air Canada AeroplanLowest, mixed cabin | 180,540 pts + $112.20Mixed cabin | 2 stops | Air Canada (AC), Asiana Airlines (OZ), United Airlines (UA) | 9+ | 7 | See dates | |
| American Airlines AAdvantage | 227,500 pts + $42.09 | 1 stop | American Airlines (AA) | — | 11 | See dates |
Not seen in business class: Alaska Atmos Rewards, Delta SkyMiles and Qantas Frequent Flyer.
First Class
| Program | Points + taxes | Stops | Airlines seen | Seats | Dates seen | Newest observation | |
|---|---|---|---|---|---|---|---|
| Alaska Atmos RewardsLowest observed | 185,000 pts + $42.09 | 1 stop | Alaska Airlines (AS), Korean Air (KE) | 2 | 6 | See dates | |
| Air Canada Aeroplan | 245,199 pts + $112.10 | 2 stops | Air Canada (AC), United Airlines (UA) | 1 | 1 | See dates | |
| Delta SkyMiles | 410,000 pts + $40.73 | 1 stop | Delta Air Lines (DL) | 9+ | 6 | See dates |
Not seen in first class: American Airlines AAdvantage and Qantas Frequent Flyer.
Not seen means AwardTool hasn't observed this cabin on this route in the last 30 days. It doesn't mean the airline has no seats. Dates seen counts departure dates with an open award in that cabin at any price; newest observation is the latest time AwardTool saw one of them. Seats is the count the program reported when we observed it; some programs report at most 9.
Observed award examples
| Departure | Cabin | Program | Points + taxes | Seats | Stops | Observed (UTC) | |
|---|---|---|---|---|---|---|---|
| Economy | American Airlines AAdvantage | 36,500 pts + $47.49 | — | 2 stops | Check this date | ||
| Economy | Qantas Frequent Flyer | 64,200 pts + $330.13 | 1 | 2 stops | Check this date | ||
| Premium Economy | Air Canada Aeroplan | 126,460 pts + $87.20 | 6 | 2 stops | Check this date | ||
| Business | Air Canada Aeroplan | 181,496 pts + $118.80 | 1 | 2 stops | Check this date | ||
| First | Alaska Atmos Rewards | 185,000 pts + $42.09 | 2 | 1 stop | Check this date | ||
| First | Delta SkyMiles | 410,000 pts + $40.73 | 9+ | 1 stop | Check this date |
Prices are one-way per traveler: the program's points or miles plus taxes and carrier fees in USD, as AwardTool observed them in the observation window. Award space changes constantly. A seat we saw may be gone, and space we haven't seen may exist. Always confirm with a live search before transferring points; most transfers can't be reversed.
Points that transfer to these programs
| Program | Amex | Bilt | Capital One | Chase | Citi | Wells Fargo |
|---|---|---|---|---|---|---|
| Air Canada Aeroplan | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | 1:1 · Instant | — | — |
| Alaska Atmos Rewards | — | 1:1 · ~1 day | — | — | — | — |
| American Airlines AAdvantage | — | — | — | — | 1:1 · Instant | — |
| Delta SkyMiles | 1:1 · Instant | — | — | — | — | — |
| Qantas Frequent Flyer | 1:1 · Instant | — | 1:1 · ~1-2 days | — | 1:1 · Instant | — |
Check current transfer bonuses. Most transfers can't be reversed.
Search, calendar and alerts from Seoul Incheon (ICN) to St. Louis (STL)
Route calendar
Every departure date with open award seats on ICN→STL for American Airlines AAdvantage and the other programs: a limited window on the free plan and 365 days with Pro.
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Search one date across programs to see current flights, seats and taxes before you transfer points.
Search Seoul Incheon (ICN) to St. Louis (STL)How many miles or points you need from Seoul Incheon (ICN) to St. Louis (STL)
- In economy, American Airlines AAdvantage had the lowest observed award, 35,000 miles + $41.23; see how many miles you need with American Airlines AAdvantage.
- In premium economy, American Airlines AAdvantage had the lowest observed award, 96,500 miles + $41.23; see how many miles you need with American Airlines AAdvantage.
- In business class, American Airlines AAdvantage had the lowest observed award, 227,500 miles + $42.09, apart from a mixed-cabin award from 180,540 points + $112.20 with Air Canada Aeroplan; see how many miles you need with American Airlines AAdvantage.
- In first class, Alaska Atmos Rewards had the lowest observed award, 185,000 points + $42.09; see how many points you need with Alaska Atmos Rewards.
Questions about award flights from Seoul Incheon (ICN) to St. Louis (STL)
What's the lowest Seoul Incheon (ICN) to St. Louis (STL) award price AwardTool has seen?
In economy, 35,000 miles + $41.23 with American Airlines AAdvantage. American Airlines AAdvantage showed economy award space on 12 departure dates at any price (newest observation Oct 13, 2026, 14:02 UTC). In business class, 227,500 miles + $42.09 with American Airlines AAdvantage. American Airlines AAdvantage showed business-class award space on 11 departure dates at any price (newest observation Oct 13, 2026, 14:02 UTC). A mixed-cabin itinerary, with part of the trip in a lower cabin, was seen from 180,540 points + $112.20 with Air Canada Aeroplan. Search live before transferring points.
Which loyalty programs had award space from Seoul Incheon (ICN) to St. Louis (STL)?
5 programs in the last 30 days: American Airlines AAdvantage (economy 12 dates, premium economy 12 dates, business class 11 dates); Air Canada Aeroplan (economy 7 dates, premium economy 7 dates, business class 7 dates, first class 1 date); Alaska Atmos Rewards (economy 6 dates, first class 6 dates); Delta SkyMiles (economy 6 dates, premium economy 6 dates, first class 6 dates); Qantas Frequent Flyer (economy 6 dates). Dates count departure dates with an open award.
Is there nonstop award space from Seoul Incheon (ICN) to St. Louis (STL)?
AwardTool hasn't observed nonstop award space on this route in the last 30 days. The awards it saw connected with 1 to 2 stops on itineraries including American Airlines, Air Canada, Alaska Airlines and Delta Air Lines. That doesn't mean nonstop space never appears.
Which credit card points can book awards from Seoul Incheon (ICN) to St. Louis (STL)?
American Express Membership Rewards: Air Canada Aeroplan (1:1), Delta SkyMiles (1:1), Qantas Frequent Flyer (1:1). Bilt Rewards: Air Canada Aeroplan (1:1), Alaska Atmos Rewards (1:1). Capital One Miles: Air Canada Aeroplan (1:1), Qantas Frequent Flyer (1:1). Chase Ultimate Rewards: Air Canada Aeroplan (1:1). Citi ThankYou Points: American Airlines AAdvantage (1:1), Qantas Frequent Flyer (1:1). Ratios come from AwardTool's transfer partner list; check current bonuses first.