Flight route guide
Flights from Chicago (ORD) to Seattle (SEA)
From $129 rt
Chicago to Seattle is a busy U.S. trunk route with frequent schedules. Compare nonstop vs one-stop totals, and confirm bag/seat rules on basic economy before payment. Recent searches found fares from $129 rt. Typical domestic flight time is 2h – 5h nonstop on most US routes.
Sample fares found recently — search above for live prices on your dates.
Search live ORD → SEA faresTypical flight time
2h – 5h nonstop on most US routes
Best time to book
3–6 weeks before departure
Often cheapest days
Tuesday and Wednesday; Saturday can help leisure returns
Best months to fly
January–February and September–October are often cheaper for US domestic travel outside major holidays.
Flying from Chicago (ORD) to Seattle (SEA)
Chicago to Seattle is a busy U.S. trunk route with frequent schedules. Compare nonstop vs one-stop totals, and confirm bag/seat rules on basic economy before payment.
Leaving Chicago
Departing ORD: winter weather and hub banks matter. If connecting onward the same day, prefer longer domestic-to-international buffers.
Arriving in Seattle
Seattle-Tacoma (SEA) is a growing long-haul and Alaska Airlines hub with light-rail into downtown. Popular West Coast gateway toward Asia and Hawaii.
Major holidays and summer weekends usually mean higher fares — midweek often saves more.
Alternative airports
Chicago: compare O’Hare (ORD) and Midway (MDW)—Midway can win on leisure ULCC pricing.
Airlines on ORD–SEA
- American Airlines
- Delta Air Lines
- United Airlines
- Southwest Airlines
- JetBlue Airways
Tips for cheaper Chicago to Seattle flights
- •For ORD–SEA, aim to book about 3–6 weeks before departure when you can—earlier for holidays.
- •January–February and September–October are often cheaper for US domestic travel outside major holidays.
- •Midweek travel often undercuts Friday and Sunday leisure peaks on this corridor.
- •Chicago: compare O’Hare (ORD) and Midway (MDW)—Midway can win on leisure ULCC pricing.
- •U.S. domestic bag rules vary by fare family—confirm carry-on and checked-bag terms at checkout.
Frequently asked questions
How long is the flight from Chicago to Seattle?
Most itineraries from ORD to SEA take 2h – 5h nonstop on most US routes. Exact duration depends on nonstop vs connecting flights and winds.
When is usually a better time to fly ORD–SEA?
Major holidays and summer weekends usually mean higher fares — midweek often saves more. Use flexible midweek dates when you can, and search more than one week if your plans allow.
Which airlines may appear from Chicago to Seattle?
Schedules change, but this market often shows carriers such as American Airlines, Delta Air Lines, United Airlines, Southwest Airlines. Confirm the operating airline and any codeshare in live results.
Should I compare nearby airports for Chicago–Seattle?
Chicago: compare O’Hare (ORD) and Midway (MDW)—Midway can win on leisure ULCC pricing.
What sample fares has Flitura seen on ORD–SEA?
Recent searches found round-trip samples from $129 on this route. Live prices change—search with your dates for the current total.
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Similar routes
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- Flights from Chicago to San Francisco (ORD – SFO)From $139
How this page is built
This flight route page is written for travelers planning a real trip—not to rank for every keyword variation. Route and destination pages combine Flitura flight-search tools with editorial airport, airline, and booking guidance. Sample schedules and “from” prices, when shown, come from live or recently observed search data and can change. Always confirm the final fare, baggage rules, and travel documents at checkout.