Cheap flights from Washington to Cascade Loop Scenic Byway from CA $246

View CA $246 flight on Wed, Sep. 3, 2025Opens in a new window

Popular airlines from Washington to Cascade Loop Scenic Byway

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • JetBlue Airways

    JetBlue Airways

  • United

    United

  • Hawaiian Airlines

    Hawaiian Airlines

  • Sun Country Airlines

    Sun Country Airlines

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

Prices were available within the past 7 days and start at CA $246 for one-way flights and CA $490 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Aug. 30 - Sat, Sep. 6
IAD
Washington
BLI
Bellingham
CA $490 Roundtrip, found 5 hours ago
CA $490
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Aug. 30 from Washington to Bellingham, returning Sat, Sep. 6, priced at CA $490 found 5 hours ago
Alaska Airlines
Sat, Aug. 30 - Sat, Sep. 6
IAD
Washington
BLI
Bellingham
CA $506 Roundtrip, found 5 hours ago
CA $506
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Aug. 30 from Washington to Bellingham, returning Sat, Sep. 6, priced at CA $506 found 5 hours ago
Alaska Airlines
Sat, Aug. 30 - Sat, Sep. 6
IAD
Washington
BLI
Bellingham
CA $522 Roundtrip, found 5 hours ago
CA $522
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Aug. 30 from Washington to Bellingham, returning Sat, Sep. 6, priced at CA $522 found 5 hours ago
Alaska Airlines
Sat, Aug. 30 - Sat, Sep. 6
IAD
Washington
BLI
Bellingham
CA $547 Roundtrip, found 5 hours ago
CA $547
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, Aug. 30 from Washington to Bellingham, returning Sat, Sep. 6, priced at CA $547 found 5 hours ago
American Airlines
Sat, Aug. 30 - Sat, Sep. 6
IAD
Washington
BLI
Bellingham
CA $672 Roundtrip, found 5 hours ago
CA $672
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Aug. 30 from Washington to Bellingham, returning Sat, Sep. 6, priced at CA $672 found 5 hours ago
Hawaiian Airlines
Sun, Jul. 20 - Wed, Jul. 30
DCA
Washington
BLI
Bellingham
CA $897 Roundtrip, found 2 days ago
CA $897
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sun, Jul. 20 from Washington to Bellingham, returning Wed, Jul. 30, priced at CA $897 found 2 days ago

Find the cheapest month to fly from Washington (WAS) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $188 - CA $359 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.