Cheapest return flights from Chicago to Seattle in June from $170

AirHint found the following cheapest return flights from Chicago (ORD) to Seattle (SEA) in June 2025 (see full year).

Return flights

30 Jun - 09 Jul Alaska Airlines
30 Jun - 03 Jul Alaska Airlines direct
30 Jun - 09 Jul Hawaiian Airlines direct
30 Jun - 04 Jul Hawaiian Airlines direct
30 Jun - 08 Jul Alaska Airlines
26 Jun - 04 Jul Alaska Airlines direct
26 Jun - 02 Jul United direct
30 Jun - 10 Jul Alaska Airlines direct
30 Jun - 05 Jul Hawaiian Airlines
25 Jun - 04 Jul Alaska Airlines direct
27 Jun - 30 Jun Spirit Airlines
27 Jun - 30 Jun United direct
18 Jun - 28 Jun Frontier Airlines
26 Jun - 30 Jun United direct
28 Jun - 29 Jun Frontier Airlines
18 Jun - 29 Jun Frontier Airlines
24 Jun - 25 Jun Southwest Airlines
25 Jun - 26 Jun Southwest Airlines
27 Jun - 29 Jun Spirit Airlines
26 Jun - 29 Jun Alaska Airlines

Also check the deals for one-way flights from Chicago to Seattle in June.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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