AirHint found the following cheapest return flights from Seoul (ICN) to Agana (GUM)
in December 2025 (see full year ).
Return flights
06 Dec
- 09 Dec
Korean Air
$ 391
direct
11 Dec
- 15 Dec
Korean Air
$ 391
direct
10 Dec
- 12 Dec
Korean Air
$ 391
direct
13 Dec
- 18 Dec
Korean Air
$ 391
direct
01 Dec
- 05 Dec
Korean Air
$ 391
direct
04 Dec
- 09 Dec
Korean Air
$ 391
direct
12 Dec
- 16 Dec
Korean Air
$ 391
direct
08 Dec
- 12 Dec
Korean Air
$ 391
direct
06 Dec
- 18 Dec
Korean Air
$ 391
direct
06 Dec
- 10 Dec
Korean Air
$ 391
direct
31 Dec
- 02 Jan
Korean Air
$ 577
direct
30 Dec
- 04 Jan
Korean Air
$ 577
direct
31 Dec
- 04 Jan
Korean Air
$ 577
direct
30 Dec
- 02 Jan
Korean Air
$ 577
direct
29 Dec
- 02 Jan
Korean Air
$ 604
direct
29 Dec
- 04 Jan
Korean Air
$ 604
direct
28 Dec
- 03 Jan
Korean Air
$ 608
direct
27 Dec
- 03 Jan
Korean Air
$ 608
direct
27 Dec
- 02 Jan
Korean Air
$ 618
direct
23 Dec
- 01 Jan
Korean Air
$ 651
direct
Also check the deals for one-way flights from Seoul to Agana in December .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.