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Cheap Flights from Chicago to Seattle $284.25

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Cheapest Flights from Chicago to Seattle (MDW to SEA)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Chicago to Seattle (MDW to SEA)

Question : Can you cut down on flight costs by changing the day of the week you travel to Seattle?
Answer : The best day to fly on a budget this month is Friday. Being flexible with your travel days garners you even more savings during your booking.

Question : Are prices changing frequently for this route?
Answer : Prices for this trip tend to fluctuate a lot more than others. Prices tend to be lower the further out you book.

Question : Which day has the most flight time options?
Answer : Monday and Tuesday both have the most flight times for Chicago to Seattle with eight.

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : February 10th offers bookings (as of January 16th) that are 15% below the average price for this route. Saving on flight fares means you'll have more money to spend on your trip.