AirHint found the following cheapest return flights from Seoul (ICN) to Agana (GUM)
in December 2025 (see full year ).
Return flights
03 Dec
- 10 Dec
Korean Air
$ 391
direct
11 Dec
- 17 Dec
Korean Air
$ 391
direct
12 Dec
- 15 Dec
Korean Air
$ 391
direct
05 Dec
- 10 Dec
Korean Air
$ 391
direct
08 Dec
- 13 Dec
Korean Air
$ 392
direct
04 Dec
- 07 Dec
Korean Air
$ 415
direct
15 Dec
- 21 Dec
Korean Air
$ 415
direct
02 Dec
- 07 Dec
Korean Air
$ 416
direct
18 Dec
- 21 Dec
Korean Air
$ 434
direct
18 Dec
- 23 Dec
Korean Air
$ 440
direct
31 Dec
- 03 Jan
Korean Air
$ 558
direct
24 Dec
- 03 Jan
Korean Air
$ 585
direct
29 Dec
- 03 Jan
Korean Air
$ 586
direct
23 Dec
- 02 Jan
Korean Air
$ 603
direct
28 Dec
- 02 Jan
Korean Air
$ 617
direct
25 Dec
- 03 Jan
Korean Air
$ 620
direct
27 Dec
- 02 Jan
Korean Air
$ 622
direct
29 Dec
- 01 Jan
Korean Air
$ 650
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.