Flights from Seattle to Chicago
Compare live flights from Seattle to Chicago (SEA–ORD) across multiple airlines, with nonstop options, durations and seasonal price trends below.
Seattle to Chicago flights overview
A direct Seattle to Chicago flight spans roughly 2,762 km and takes about 3.4 hours in the air. Both full-service and low-cost carriers serve this corridor; BookingTrolley compares their published fares so you can weigh price against flight time and baggage.
Ticket prices from Seattle to Chicago change frequently; BookingTrolley aggregates current fares across airlines so you can spot the lowest one. Based on this route's seasonal pattern, fares average roughly C$ 519.23 over the year. Nov tends to be the cheapest month to fly (around C$ 432.92), while Jun is usually the most expensive at about C$ 645.27 — a swing of roughly 49%.
Frequently asked questions about flying from Seattle to Chicago
Tuesday and Wednesday are typically the cheapest days to fly from Seattle to Chicago, with Friday and Sunday departures often priced higher. BookingTrolley fare analysis on similar international routes shows mid-week savings of 10–20% compared with peak weekend travel.
Air India, Thai Airways, and regional carriers commonly compete on fares from Seattle (SEA) to Chicago (ORD). BookingTrolley compares published fares across airlines on this route so travelers can see which carrier is cheapest for their dates.
Economy round-trip flights from Seattle to Chicago usually start between $300 and $600 depending on season, with sales and mid-week departures at the lower end. BookingTrolley tracks live fares on the SEA–ORD corridor from multiple suppliers.
The flying time from Seattle to Chicago is about 3.4 hours nonstop, covering roughly 2,762 km between SEA and ORD. BookingTrolley schedules show connecting itineraries take longer depending on layover length.
November through February is peak tourist season for many destinations including Chicago, while shoulder months often pair good weather with lower airfare. BookingTrolley price trends on the Seattle to Chicago route show the steepest fare rises around major holidays and school breaks.
Use BookingTrolley's flexible-date fare comparison for Seattle (SEA) to Chicago (ORD) to see which departure and return days cost least. Shifting travel by one or two days and avoiding Friday–Sunday peaks is one of the fastest ways to cut the ticket price on this route.
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