Cheap flights from Seattle to Chicago
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The best prices from Seattle to Chicago are usually found in August or July, booked 60 days in advance, depart on a Wednesday or Tuesday and return on a Friday
How to find the cheapest flight from
Seattle (SEA) to Chicago (CHI)
SEA - CHI
C$ 180 - C$ 390
1 - 29 °C
17 - 109 mm
High demand for flights, 28% potential price rise
Best time to find cheap flights, 36% potential price drop
From Seattle to Chicago
One-way flight from Seattle to Chicago
What is the cheapest day to fly round-trip from Seattle to Chicago?
Tuesday is generally a great day to depart. Flying on this day could help you save up to 29%.
How far in advance should I book a flight from Seattle to Chicago?
Travellers have found it’s best to book a flight 34 days in advance to save up to 86% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Chicago 1-2 weeks in advance for as low as C$ 454, or C$ 614 for flights within the next 24 hours.
What is the cheapest month to fly from Seattle to Chicago?
Flights from Seattle to Chicago lean towards being more expensive in January. Prices are generally better when you fly from Seattle to Chicago in April, with the cheapest ticket starting at C$ 250.
When is the cheapest time to fly from Seattle to Chicago (SEA - CHI)?
Unlike at noon, when flights are generally more expensive, you can save up to 19% on flights from Seattle to Chicago by exploring options for tickets in the afternoon.
Cheap flights from Seattle to Chicago in November, December 2020
Seattle to Chicago 2021 flight deals
Direct flights to Chicago from Seattle
Last minute flights from Seattle to Chicago
One-way flights to Chicago from Seattle
The cheapest one-way flights from Seattle to Chicago
Related info for your journey
Useful info, stats and facts about Seattle to Chicago flights.
Destination information for Chicago
Things to know before you go. Useful info for your trip from Seattle to Chicago
Airports servicing Chicago
Top 5 airlines from Seattle to Chicago
The chart below displays the airlines Cheapflights users travelling from Seattle to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Popular flight searches
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Hourly flight availability from Seattle to Chicago
|Morning 6 AM to noon||56% of flight departures|
|Afternoon Noon to 6 PM||27% of flight departures|
|Early morning Midnight to 6 AM||12% of flight departures|
|Evening 6 PM to midnight||5% of flight departures|