SUMMER: Non-stop from Chicago to Seattle (& vice versa) for only $115 roundtrip
Non-stop, summer flights from Chicago to Seattle for only $115 roundtrip with American Airlines. Also works in reverse.
Chicago, USA → Seattle, USA
Non-stop from Chicago to Seattle (& vice versa) for only $133 roundtrip
Non-stop flights from Chicago to Seattle for only $133 roundtrip with Alaska Airlines. Also works in reverse.
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