ORD → SEA
Compare one-way, round-trip and flight + hotel packages from Chicago to Seattle, a nonstop flight of about 3h 55m, with fares from around 235. Nonstop fares seen from Alaska and United.
Chicago to Seattle is a domestic route covering about 1,715 miles, arriving at Seattle-Tacoma International Airport (SEA) in United States. Peak travel season in Seattle runs July–September (dry, sunny and mild), while November–April is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from Alaska and United.
| Departing from | O'Hare International Airport (ORD) |
|---|---|
| Arriving at | Seattle-Tacoma International Airport (SEA) |
| Distance | 1,715 miles (2,762 km) |
| Nonstop flight time | About 3h 55m |
| Nonstop airlines seen | Alaska and United |
| Round-trip fares from | $235 (estimate) |
| Cheapest months | February, September, January |
| Peak season in Seattle | July–September |
| Cheapest hotel months in Seattle | November–April |
| Best time to book | 1 to 3 months ahead |
| Route info updated | October 16, 2026 |
July–September
Dry, sunny and mild
May–June & October
Cool with mixed sun
November–April
Grey, drizzly and cool
| Month | Fares from |
|---|---|
| January | $275 |
| February | $235 |
| March | $275 |
| April | $295 |
| May | $290 |
| June | $335 |
| July | $375 |
| August | $360 |
| September | $240 |
| October | $280 |
| November | $300 |
| December | $315 |
Nonstop fares we've tracked on this route come from Alaska and United. Ducoffs.com compares full-service and low-cost airlines flying between Chicago and Seattle in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.
Fares on this route tend to be lowest in February, September, and January. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.
Chicago and Seattle are about 1,715 miles apart. A nonstop flight takes roughly 3h 55m; connecting itineraries usually add 2 to 5 hours.
The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.
Based on typical seasonal demand, February, September, and January tend to offer the lowest fares on this route, with estimated round-trip prices starting around $235. Live prices change daily, so run a search for your exact dates.
Chicago and Seattle are about 1,715 miles apart. A nonstop flight takes roughly 3h 55m, while connecting itineraries usually add 2 to 5 hours depending on the layover.
Recent nonstop fares we've tracked on this route come from Alaska and United. Schedules change by season, so your live search shows every airline flying your dates.
Hotel rates in Seattle are usually lowest in November–April, when demand is quieter, and highest during peak season (July–September). Booking your flight and hotel together can save up to 30%.
This route arrives at Seattle-Tacoma International Airport (SEA). Your search results also show nearby airports when they offer a cheaper or faster option.
For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.
Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.
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