Flights to San Juan Island from Baltimore - ￥15,190

View ￥15,190 flight on Thu, Oct 30, 2025Opens in a new window

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Cheap Flights from Baltimore to San Juan Island (WAS-SEA)

Prices were available within the past 7 days and start at ￥15,190 for one-way flights and ￥36,820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 30 - Thu, Nov 6
BWI
Baltimore
SEA
Seattle
￥36,820 Roundtrip, found 2 days ago
￥36,820
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 30 from Baltimore to Seattle, returning Thu, Nov 6, priced at ￥36,820 found 2 days ago
American Airlines
Thu, Oct 30 - Thu, Nov 6
BWI
Baltimore
SEA
Seattle
￥38,430 Roundtrip, found 2 days ago
￥38,430
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Oct 30 from Baltimore to Seattle, returning Thu, Nov 6, priced at ￥38,430 found 2 days ago
American Airlines
Mon, Aug 18 - Mon, Aug 25
BWI
Baltimore
SEA
Seattle
￥38,450 Roundtrip, found 5 days ago
￥38,450
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 18 from Baltimore to Seattle, returning Mon, Aug 25, priced at ￥38,450 found 5 days ago
Delta
Sun, Aug 17 - Tue, Aug 26
BWI
Baltimore
SEA
Seattle
￥40,360 Roundtrip, found 6 hours ago
￥40,360
Roundtrip
found 6 hours ago
Select Delta flight, departing Sun, Aug 17 from Baltimore to Seattle, returning Tue, Aug 26, priced at ￥40,360 found 6 hours ago
United
Sun, Aug 17 - Tue, Aug 26
BWI
Baltimore
SEA
Seattle
￥44,880 Roundtrip, found 6 hours ago
￥44,880
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Aug 17 from Baltimore to Seattle, returning Tue, Aug 26, priced at ￥44,880 found 6 hours ago
Hawaiian Airlines
Mon, Jul 21 - Mon, Jul 28
BWI
Baltimore
SEA
Seattle
￥80,830 Roundtrip, found 3 days ago
￥80,830
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Jul 21 from Baltimore to Seattle, returning Mon, Jul 28, priced at ￥80,830 found 3 days ago
*Available to Expedia members.