Cheap flights from Baltimore to Cascade Loop Scenic Byway from CA $228

View CA $228 flight on Sat, Sep. 6, 2025Opens in a new window

Popular airlines from Baltimore to Cascade Loop Scenic Byway

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Spirit Airlines

    Spirit Airlines

  • Sun Country Airlines

    Sun Country Airlines

  • United

    United

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Cheap flights from Baltimore (WAS) to Cascade Loop Scenic Byway (SEA)

Prices were available within the past 7 days and start at CA $228 for one-way flights and CA $502 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed., Aug. 27 - Tue., Sep. 2
BWI
Baltimore
BLI
Bellingham
CA $502 Roundtrip, found 6 days ago
CA $502
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed., Aug. 27 from Baltimore to Bellingham, returning Tue., Sep. 2, priced at CA $502 found 6 days ago
Hawaiian Airlines
Wed., Aug. 27 - Sun., Aug. 31
BWI
Baltimore
BLI
Bellingham
CA $508 Roundtrip, found 6 days ago
CA $508
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed., Aug. 27 from Baltimore to Bellingham, returning Sun., Aug. 31, priced at CA $508 found 6 days ago
Hawaiian Airlines
Wed., Aug. 27 - Thu., Sep. 4
BWI
Baltimore
BLI
Bellingham
CA $516 Roundtrip, found 6 days ago
CA $516
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed., Aug. 27 from Baltimore to Bellingham, returning Thu., Sep. 4, priced at CA $516 found 6 days ago
Hawaiian Airlines
Fri., Aug. 29 - Tue., Sep. 2
BWI
Baltimore
BLI
Bellingham
CA $523 Roundtrip, found 6 days ago
CA $523
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Fri., Aug. 29 from Baltimore to Bellingham, returning Tue., Sep. 2, priced at CA $523 found 6 days ago
Alaska Airlines
Thu., Aug. 21 - Wed., Aug. 27
DCA
Washington
PAE
Seattle
CA $612 Roundtrip, found 4 days ago
CA $612
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu., Aug. 21 from Washington to Seattle, returning Wed., Aug. 27, priced at CA $612 found 4 days ago
American Airlines
Fri., Nov. 28 - Mon., Dec. 15
DCA
Washington
BLI
Bellingham
CA $1,385 Roundtrip, found 1 day ago
CA $1,385
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri., Nov. 28 from Washington to Bellingham, returning Mon., Dec. 15, priced at CA $1,385 found 1 day ago

Find the cheapest month to fly from Baltimore (BWI) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $206 - CA $352 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.