Home Slickdeals Chicago to Seattle or Vice Versa $108 RT Nonstop Airfares on Delta... Slickdeals Chicago to Seattle or Vice Versa $108 RT Nonstop Airfares on Delta or Alaska Airlines BE (Travel September – March 2024) By ARCOM - 6 September 2023 22 0 SHARE Facebook Twitter Go to the deal page: Chicago to Seattle or Vice Versa $108 RT Nonstop Airfares on Delta or Alaska Airlines BE (Travel September – March 2024)