Earn point on your loyalty program!arrow arc left

Cheap flights from Billings (BIL) to Seoul (GMP)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Billings (BIL) to Seoul (GMP)

How to find the cheapest flight from Billings (BIL) to Seoul (GMP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seoul (GMP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seoul (GMP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Billings to Seoul in October , November 2026

27 Oct - 18 Nov $ 1,557.00
BIL
Billings
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates
19 Oct - 18 Nov $ 1,567.00
BIL
Billings
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
3 STOPS
BIL
Billings
Pick dates
27 Oct - 17 Nov $ 1,673.00
BIL
Billings
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
2 STOPS
BIL
Billings
Pick dates

Last minute flights from Billings to Seoul

27 Oct - 31 Oct $ 1,873.00
BIL
Billings
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
2 STOPS
BIL
Billings
Pick dates
19 Oct - 31 Oct $ 1,881.00
BIL
Billings
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
2 STOPS
BIL
Billings
Pick dates
19 Oct - 31 Oct $ 1,883.00
BIL
Billings
Alaska Airlines
3 STOPS
GMP
Seoul
GMP
Seoul
Alaska Airlines
2 STOPS
BIL
Billings
Pick dates

One-way flights to Seoul from Billings

7:32 PM - 12:50 PM
Tway Airlines
3 Stops
27h 23m
BIL - GMP
$ 836
Kiwi
Pick dates
7:32 PM - 1:40 PM
Air Busan
3 Stops
28h 13m
BIL - GMP
$ 844
Kiwi
Pick dates
7:32 PM - 12:40 PM
Air Busan
3 Stops
27h 13m
BIL - GMP
$ 846
Kiwi
Pick dates

How to find the cheapest flight from Billings (BIL) to Seoul (GMP)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seoul (GMP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seoul (GMP)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.