Korean Air Flight 5020 Deals & Information (2025/2026)

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Korean Air Flight 5020 Route Deals From $454

The cheapest prices found with in the last 7 days for return flights were $844 and $454 for one-way flights to Incheon Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 1 - Sat, Nov 14
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$844 Roundtrip, found 5 days ago
$844
Roundtrip
found 5 days ago
Select Korean Air flight, departing Tue, Sep 1 from Seattle - Tacoma Intl. to Incheon Intl., returning Sat, Nov 14, priced at $844 found 5 days ago
Wed, Mar 4 - Sat, Mar 7
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$849 Roundtrip, found 4 days ago
$849
Roundtrip
found 4 days ago
Select Korean Air flight, departing Wed, Mar 4 from Seattle - Tacoma Intl. to Incheon Intl., returning Sat, Mar 7, priced at $849 found 4 days ago
Thu, Mar 5 - Tue, Mar 10
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$855 Roundtrip, found 13 hours ago
$855
Roundtrip
found 13 hours ago
Select Korean Air flight, departing Thu, Mar 5 from Seattle - Tacoma Intl. to Incheon Intl., returning Tue, Mar 10, priced at $855 found 13 hours ago
Tue, Jan 20 - Thu, Feb 19
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$859 Roundtrip, just found
$859
Roundtrip
just found
Select Korean Air flight, departing Tue, Jan 20 from Seattle - Tacoma Intl. to Incheon Intl., returning Thu, Feb 19, priced at $859 just found
Tue, Jan 20 - Thu, Feb 19
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$864 Roundtrip, just found
$864
Roundtrip
just found
Select Korean Air flight, departing Tue, Jan 20 from Seattle - Tacoma Intl. to Incheon Intl., returning Thu, Feb 19, priced at $864 just found
Mon, Feb 2 - Tue, Feb 10
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$886 Roundtrip, found 6 days ago
$886
Roundtrip
found 6 days ago
Select Korean Air flight, departing Mon, Feb 2 from Seattle - Tacoma Intl. to Incheon Intl., returning Tue, Feb 10, priced at $886 found 6 days ago