Cheap flights from Milwaukee to Cascade Loop Scenic Byway from CA $310

View CA $310 flight on Sat, Aug. 23, 2025Opens in a new window

Popular airlines from Milwaukee to Cascade Loop Scenic Byway

  • Alaska Airlines

    Alaska Airlines

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Milwaukee (MKE) to Cascade Loop Scenic Byway (SEA)

Prices were available within the past 7 days and start at CA $310 for one-way flights and CA $1,064 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Jul. 23 - Fri, Jul. 25
MKE
Milwaukee
BLI
Bellingham
CA $1,064 Roundtrip, found 20 hours ago
CA $1,064
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Jul. 23 from Milwaukee to Bellingham, returning Fri, Jul. 25, priced at CA $1,064 found 20 hours ago
Alaska Airlines
Wed, Jul. 23 - Fri, Jul. 25
MKE
Milwaukee
BLI
Bellingham
CA $1,111 Roundtrip, found 20 hours ago
CA $1,111
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Jul. 23 from Milwaukee to Bellingham, returning Fri, Jul. 25, priced at CA $1,111 found 20 hours ago
Alaska Airlines
Wed, Jul. 23 - Fri, Jul. 25
MKE
Milwaukee
BLI
Bellingham
CA $1,112 Roundtrip, found 20 hours ago
CA $1,112
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Jul. 23 from Milwaukee to Bellingham, returning Fri, Jul. 25, priced at CA $1,112 found 20 hours ago
Alaska Airlines
Wed, Jul. 23 - Fri, Jul. 25
MKE
Milwaukee
BLI
Bellingham
CA $1,138 Roundtrip, found 20 hours ago
CA $1,138
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Jul. 23 from Milwaukee to Bellingham, returning Fri, Jul. 25, priced at CA $1,138 found 20 hours ago
Alaska Airlines
Wed, Jul. 23 - Fri, Jul. 25
MKE
Milwaukee
BLI
Bellingham
CA $1,161 Roundtrip, found 20 hours ago
CA $1,161
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Jul. 23 from Milwaukee to Bellingham, returning Fri, Jul. 25, priced at CA $1,161 found 20 hours ago
Alaska Airlines
Wed, Jul. 23 - Fri, Jul. 25
MKE
Milwaukee
BLI
Bellingham
CA $1,188 Roundtrip, found 20 hours ago
CA $1,188
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Jul. 23 from Milwaukee to Bellingham, returning Fri, Jul. 25, priced at CA $1,188 found 20 hours ago

Find the cheapest month to fly from Milwaukee (MKE) to Seattle (SEA)

October is typically the cheapest month to fly

From CA $174 - CA $426 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.