Cheapest return flights from Washington to Seoul in April from 796€
AirHint found the following cheapest return flights from Washington (IAD) to Seoul (ICN)
in April 2026 (see full year ).
Return flights
22 Apr
- 13 May
Frontier Airlines
796 €
06 Apr
- 21 Apr
Alaska Airlines
811 €
05 Apr
- 15 Apr
Frontier Airlines
825 €
10 Apr
- 24 Apr
Frontier Airlines
827 €
14 Apr
- 25 Apr
Etihad Airways
830 €
16 Apr
- 23 Apr
Etihad Airways
834 €
05 Apr
- 30 Apr
Frontier Airlines
842 €
17 Apr
- 26 Apr
Etihad Airways
847 €
05 Apr
- 21 Apr
Air Canada
847 €
08 Apr
- 23 Apr
Alaska Airlines
860 €
30 Apr
- 07 May
Etihad Airways
863 €
03 Apr
- 15 Apr
Porter Airlines (Canada) Ltd
874 €
10 Apr
- 28 May
Porter Airlines (Canada) Ltd
879 €
17 Apr
- 16 May
Etihad Airways
881 €
29 Apr
- 13 May
Etihad Airways
886 €
23 Apr
- 04 May
Air Canada
891 €
23 Apr
- 03 May
Alaska Airlines
893 €
25 Apr
- 10 May
Etihad Airways
897 €
23 Apr
- 23 May
Etihad Airways
899 €
29 Apr
- 20 May
Frontier Airlines
901 €
Also check the deals for one-way flights from Washington to Seoul in April .
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