Korean Air Flight HA5020 Deals & Information (2025/2026)

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Korean Air Flight 5020 Route Deals From $425

The cheapest prices found with in the last 7 days for return flights were $763 and $425 for one-way flights to Incheon Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 3 - Fri, Oct 24
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$763 Roundtrip, found 2 hours ago
$763
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Fri, Oct 3 from Seattle - Tacoma Intl. to Incheon Intl., returning Fri, Oct 24, priced at $763 found 2 hours ago
Fri, Oct 3 - Fri, Oct 24
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$769 Roundtrip, found 2 hours ago
$769
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Fri, Oct 3 from Seattle - Tacoma Intl. to Incheon Intl., returning Fri, Oct 24, priced at $769 found 2 hours ago
Wed, Oct 1 - Thu, Oct 23
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$781 Roundtrip, found 4 hours ago
$781
Roundtrip
found 4 hours ago
Select Korean Air flight, departing Wed, Oct 1 from Seattle - Tacoma Intl. to Incheon Intl., returning Thu, Oct 23, priced at $781 found 4 hours ago
Thu, Oct 23 - Sun, Nov 2
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$783 Roundtrip, found 22 hours ago
$783
Roundtrip
found 22 hours ago
Select Korean Air flight, departing Thu, Oct 23 from Seattle - Tacoma Intl. to Incheon Intl., returning Sun, Nov 2, priced at $783 found 22 hours ago
Thu, Oct 16 - Sun, Oct 26
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$785 Roundtrip, found 8 hours ago
$785
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Thu, Oct 16 from Seattle - Tacoma Intl. to Incheon Intl., returning Sun, Oct 26, priced at $785 found 8 hours ago
Thu, Oct 23 - Sun, Nov 2
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$831 Roundtrip, found 22 hours ago
$831
Roundtrip
found 22 hours ago
Select Korean Air flight, departing Thu, Oct 23 from Seattle - Tacoma Intl. to Incheon Intl., returning Sun, Nov 2, priced at $831 found 22 hours ago
Sun, Oct 19 - Wed, Oct 29
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$834 Roundtrip, just found
$834
Roundtrip
just found
Select Korean Air flight, departing Sun, Oct 19 from Seattle - Tacoma Intl. to Incheon Intl., returning Wed, Oct 29, priced at $834 just found
Sun, Oct 19 - Wed, Oct 29
SEA
Seattle - Tacoma Intl.
ICN
Incheon Intl.
$837 Roundtrip, just found
$837
Roundtrip
just found
Select Korean Air flight, departing Sun, Oct 19 from Seattle - Tacoma Intl. to Incheon Intl., returning Wed, Oct 29, priced at $837 just found