Cheap flights from Charleston to Herron Island from CA $308

View CA $308 flight on Sat, Sep. 6, 2025Opens in a new window

Popular airlines from Charleston to Herron Island

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Cheap flights from Charleston (CRW) to Herron Island (SEA)

Prices were available within the past 7 days and start at CA $308 for one-way flights and CA $537 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Aug. 11 - Tue, Aug. 19
CRW
Charleston
SEA
Seattle
CA $537 Roundtrip, found 2 days ago
CA $537
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug. 11 from Charleston to Seattle, returning Tue, Aug. 19, priced at CA $537 found 2 days ago
American Airlines
Tue, Aug. 5 - Tue, Aug. 12
CRW
Charleston
SEA
Seattle
CA $595 Roundtrip, found 5 days ago
CA $595
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Aug. 5 from Charleston to Seattle, returning Tue, Aug. 12, priced at CA $595 found 5 days ago
Delta
Mon, Aug. 11 - Mon, Aug. 18
CRW
Charleston
SEA
Seattle
CA $611 Roundtrip, found 2 days ago
CA $611
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug. 11 from Charleston to Seattle, returning Mon, Aug. 18, priced at CA $611 found 2 days ago
American Airlines
Sun, Aug. 3 - Tue, Aug. 12
CRW
Charleston
SEA
Seattle
CA $658 Roundtrip, found 5 days ago
CA $658
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sun, Aug. 3 from Charleston to Seattle, returning Tue, Aug. 12, priced at CA $658 found 5 days ago
United
Tue, Aug. 5 - Wed, Aug. 6
CRW
Charleston
SEA
Seattle
CA $972 Roundtrip, found 5 days ago
CA $972
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug. 5 from Charleston to Seattle, returning Wed, Aug. 6, priced at CA $972 found 5 days ago
Alaska Airlines
Mon, Aug. 11 - Sat, Aug. 16
CRW
Charleston
SEA
Seattle
CA $1,539 Roundtrip, found 2 days ago
CA $1,539
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Aug. 11 from Charleston to Seattle, returning Sat, Aug. 16, priced at CA $1,539 found 2 days ago

Find the cheapest month to fly from Charleston (CRW) to Seattle (SEA)

February is typically the cheapest month to fly

From CA $340 - CA $1,411 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.