Travel with Axel,
get the best price.

Saint Louis → Seoul

Nov 27, 2026 · return Dec 4, 2026

STL → ICN1 adulteconomyRound trip

6 flight options · 3 airlines

One-stop flights

Fri, Nov 27 – Fri, Dec 4

American Airlines
5:50 amSTL
19h 55m
DFW · 2h 24m
4:45 pm+1ICN
Delta Air Lines
8:35 pmICN
17h 51m
MSP · 3h 58m
11:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
6:04 amSTL
20h 31m
SEA · 3h 50m
5:35 pm+1ICN
Delta Air Lines
8:35 pmICN
17h 51m
MSP · 3h 58m
11:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
7:08 amSTL
18h 12m
SLC · 1h 22m
4:20 pm+1ICN
Delta Air Lines
8:35 pmICN
17h 51m
MSP · 3h 58m
11:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
7:18 pmSTL
19h 27m
ATL · 1h 50m
5:45 am+2ICN
Delta Air Lines
8:35 pmICN
17h 51m
MSP · 3h 58m
11:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:03 amSTL
18h 47m
MSP · 2h 47m
3:50 pm+1ICN
Delta Air Lines
8:35 pmICN
17h 51m
MSP · 3h 58m
11:26 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:32 amSTL
19h 18m
DTW · 2h 20m
4:50 pm+1ICN
Delta Air Lines
8:35 pmICN
17h 51m
MSP · 3h 58m
11:26 pmSTL

Round-trip total · 1 adult · Taxes included

Make this trip yours

STL ⇄ ICN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, American Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-27 → 2026-12-04American Airlines / Delta Air LinesAA1410 + AA281 / DL170 + DL1609$1198.602026-10-29T01:28:37Z
2026-11-27 → 2026-12-04Alaska Airlines / Delta Air LinesAS615 + AS119 / DL170 + DL1609$1230.402026-10-29T01:28:37Z
2026-11-27 → 2026-12-04Delta Air LinesDL2363 + DL173 / DL170 + DL1609$1246.302026-10-29T01:28:37Z
2026-11-27 → 2026-12-04Delta Air LinesDL1393 + DL27 / DL170 + DL1609$1246.302026-10-29T01:28:37Z
2026-11-27 → 2026-12-04Delta Air LinesDL1597 + DL171 / DL170 + DL1609$1246.302026-10-29T01:28:37Z
2026-11-27 → 2026-12-04Delta Air LinesDL1626 + DL159 / DL170 + DL1609$1246.302026-10-29T01:28:37Z

2026-11-27 → 2026-12-04 · $1198.60

  • American Airlines AA1410 / AA281: STL 2026-11-27 05:50:00 → ICN 2026-11-28 16:45:00; 1 stop(s) via DFW; 1195 minutes. Local airport times.
    • AA1410: STL 2026-11-27 05:50:00 → DFW 2026-11-27 08:01:00; layover at DFW: 144 minutes.
    • AA281: DFW 2026-11-27 10:25:00 → ICN 2026-11-28 16:45:00.
  • Delta Air Lines DL170 / DL1609: ICN 2026-12-04 20:35:00 → STL 2026-12-04 23:26:00; 1 stop(s) via MSP; 1071 minutes. Local airport times.
    • DL170: ICN 2026-12-04 20:35:00 → MSP 2026-12-04 17:51:00; layover at MSP: 238 minutes.
    • DL1609: MSP 2026-12-04 21:49:00 → STL 2026-12-04 23:26:00.

2026-11-27 → 2026-12-04 · $1230.40

  • Alaska Airlines AS615 / AS119: STL 2026-11-27 06:04:00 → ICN 2026-11-28 17:35:00; 1 stop(s) via SEA; 1231 minutes. Local airport times.
    • AS615: STL 2026-11-27 06:04:00 → SEA 2026-11-27 08:50:00; layover at SEA: 230 minutes.
    • AS119: SEA 2026-11-27 12:40:00 → ICN 2026-11-28 17:35:00.
  • Delta Air Lines DL170 / DL1609: ICN 2026-12-04 20:35:00 → STL 2026-12-04 23:26:00; 1 stop(s) via MSP; 1071 minutes. Local airport times.
    • DL170: ICN 2026-12-04 20:35:00 → MSP 2026-12-04 17:51:00; layover at MSP: 238 minutes.
    • DL1609: MSP 2026-12-04 21:49:00 → STL 2026-12-04 23:26:00.

2026-11-27 → 2026-12-04 · $1246.30

  • Delta Air Lines DL2363 / DL173: STL 2026-11-27 07:08:00 → ICN 2026-11-28 16:20:00; 1 stop(s) via SLC; 1092 minutes. Local airport times.
    • DL2363: STL 2026-11-27 07:08:00 → SLC 2026-11-27 09:28:00; layover at SLC: 82 minutes.
    • DL173: SLC 2026-11-27 10:50:00 → ICN 2026-11-28 16:20:00.
  • Delta Air Lines DL170 / DL1609: ICN 2026-12-04 20:35:00 → STL 2026-12-04 23:26:00; 1 stop(s) via MSP; 1071 minutes. Local airport times.
    • DL170: ICN 2026-12-04 20:35:00 → MSP 2026-12-04 17:51:00; layover at MSP: 238 minutes.
    • DL1609: MSP 2026-12-04 21:49:00 → STL 2026-12-04 23:26:00.

2026-11-27 → 2026-12-04 · $1246.30

  • Delta Air Lines DL1393 / DL27: STL 2026-11-27 19:18:00 → ICN 2026-11-29 05:45:00; 1 stop(s) via ATL; 1167 minutes. Local airport times.
    • DL1393: STL 2026-11-27 19:18:00 → ATL 2026-11-27 22:00:00; layover at ATL: 110 minutes.
    • DL27: ATL 2026-11-27 23:50:00 → ICN 2026-11-29 05:45:00.
  • Delta Air Lines DL170 / DL1609: ICN 2026-12-04 20:35:00 → STL 2026-12-04 23:26:00; 1 stop(s) via MSP; 1071 minutes. Local airport times.
    • DL170: ICN 2026-12-04 20:35:00 → MSP 2026-12-04 17:51:00; layover at MSP: 238 minutes.
    • DL1609: MSP 2026-12-04 21:49:00 → STL 2026-12-04 23:26:00.

2026-11-27 → 2026-12-04 · $1246.30

  • Delta Air Lines DL1597 / DL171: STL 2026-11-27 06:03:00 → ICN 2026-11-28 15:50:00; 1 stop(s) via MSP; 1127 minutes. Local airport times.
    • DL1597: STL 2026-11-27 06:03:00 → MSP 2026-11-27 07:43:00; layover at MSP: 167 minutes.
    • DL171: MSP 2026-11-27 10:30:00 → ICN 2026-11-28 15:50:00.
  • Delta Air Lines DL170 / DL1609: ICN 2026-12-04 20:35:00 → STL 2026-12-04 23:26:00; 1 stop(s) via MSP; 1071 minutes. Local airport times.
    • DL170: ICN 2026-12-04 20:35:00 → MSP 2026-12-04 17:51:00; layover at MSP: 238 minutes.
    • DL1609: MSP 2026-12-04 21:49:00 → STL 2026-12-04 23:26:00.

2026-11-27 → 2026-12-04 · $1246.30

  • Delta Air Lines DL1626 / DL159: STL 2026-11-27 06:32:00 → ICN 2026-11-28 16:50:00; 1 stop(s) via DTW; 1158 minutes. Local airport times.
    • DL1626: STL 2026-11-27 06:32:00 → DTW 2026-11-27 09:10:00; layover at DTW: 140 minutes.
    • DL159: DTW 2026-11-27 11:30:00 → ICN 2026-11-28 16:50:00.
  • Delta Air Lines DL170 / DL1609: ICN 2026-12-04 20:35:00 → STL 2026-12-04 23:26:00; 1 stop(s) via MSP; 1071 minutes. Local airport times.
    • DL170: ICN 2026-12-04 20:35:00 → MSP 2026-12-04 17:51:00; layover at MSP: 238 minutes.
    • DL1609: MSP 2026-12-04 21:49:00 → STL 2026-12-04 23:26:00.

More dates for this route