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 $447 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Aug. 18 - Sat, Aug. 30
CRW
Charleston
SEA
Seattle
CA $447 Roundtrip, found 1 day ago
CA $447
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug. 18 from Charleston to Seattle, returning Sat, Aug. 30, priced at CA $447 found 1 day ago
Delta
Mon, Aug. 18 - Tue, Aug. 26
CRW
Charleston
SEA
Seattle
CA $472 Roundtrip, found 1 day ago
CA $472
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Aug. 18 from Charleston to Seattle, returning Tue, Aug. 26, priced at CA $472 found 1 day ago
Delta
Wed, Aug. 20 - Sat, Aug. 30
CRW
Charleston
SEA
Seattle
CA $487 Roundtrip, found 1 day ago
CA $487
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug. 20 from Charleston to Seattle, returning Sat, Aug. 30, priced at CA $487 found 1 day ago
American Airlines
Tue, Aug. 19 - Tue, Aug. 26
CRW
Charleston
SEA
Seattle
CA $549 Roundtrip, found 1 day ago
CA $549
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug. 19 from Charleston to Seattle, returning Tue, Aug. 26, priced at CA $549 found 1 day ago
United
Sat, Aug. 23 - Mon, Aug. 25
CRW
Charleston
SEA
Seattle
CA $657 Roundtrip, found 1 day ago
CA $657
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug. 23 from Charleston to Seattle, returning Mon, Aug. 25, priced at CA $657 found 1 day ago
Alaska Airlines
Mon, Aug. 18 - Fri, Aug. 22
CRW
Charleston
SEA
Seattle
CA $1,287 Roundtrip, found 1 day ago
CA $1,287
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Aug. 18 from Charleston to Seattle, returning Fri, Aug. 22, priced at CA $1,287 found 1 day 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.