Cheap flights from Dallas to Cascade Loop Scenic Byway from CA $205

View CA $205 flight on Sat, Oct. 11, 2025Opens in a new window

Popular airlines from Dallas to Cascade Loop Scenic Byway

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Cheap flights from Dallas (DFW) to Cascade Loop Scenic Byway (SEA)

Prices were available within the past 7 days and start at CA $205 for one-way flights and CA $381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat., Sep. 20 - Sat., Sep. 27
DFW
Dallas
BLI
Bellingham
CA $381 Roundtrip, found 1 day ago
CA $381
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., Sep. 20 from Dallas to Bellingham, returning Sat., Sep. 27, priced at CA $381 found 1 day ago
Alaska Airlines
Sat., Sep. 20 - Sat., Sep. 27
DFW
Dallas
BLI
Bellingham
CA $467 Roundtrip, found 1 day ago
CA $467
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., Sep. 20 from Dallas to Bellingham, returning Sat., Sep. 27, priced at CA $467 found 1 day ago
Alaska Airlines
Sat., Sep. 20 - Sat., Sep. 27
DFW
Dallas
BLI
Bellingham
CA $490 Roundtrip, found 1 day ago
CA $490
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., Sep. 20 from Dallas to Bellingham, returning Sat., Sep. 27, priced at CA $490 found 1 day ago
Alaska Airlines
Sat., Sep. 20 - Sat., Sep. 27
DFW
Dallas
BLI
Bellingham
CA $523 Roundtrip, found 1 day ago
CA $523
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat., Sep. 20 from Dallas to Bellingham, returning Sat., Sep. 27, priced at CA $523 found 1 day ago
American Airlines
Sat., Sep. 20 - Sat., Sep. 27
DFW
Dallas
BLI
Bellingham
CA $575 Roundtrip, found 1 day ago
CA $575
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat., Sep. 20 from Dallas to Bellingham, returning Sat., Sep. 27, priced at CA $575 found 1 day ago
Hawaiian Airlines
Sat., Jul. 12 - Tue., Jul. 15
DFW
Dallas
BLI
Bellingham
CA $636 Roundtrip, found 21 hours ago
CA $636
Roundtrip
found 21 hours ago
Select Hawaiian Airlines flight, departing Sat., Jul. 12 from Dallas to Bellingham, returning Tue., Jul. 15, priced at CA $636 found 21 hours ago

Find the cheapest month to fly from Dallas (DFW) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $125 - CA $302 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.