Round-trip from | £443 |
|---|---|
Popular in | July |
Cheapest in | January |
Average price | £264 |
The best time to book flights from Seattle to Chicago is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, January is the cheapest month in which you can book a flight from Seattle to Chicago (average of £598). Flying from Seattle to Chicago in July is currently the most expensive (average of £774). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Seattle to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 27% versus a flight in the morning.
The most flights from SEA to CHI are scheduled on a Thursday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).
In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.
If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).
When you search for this flight from Seattle to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Cheapflights helps you find that perfect flight to Chicago from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Chicago, users can toggle the no change fees filter when performing a flight search.
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