£112 Cheap Flights from Chicago (ORD) to Seattle (SEA)

You can find cheap one-way flights from £112 and cheap return flights £231 ORD to SEA with Expedia. One-way flights typically cost between £154 and £613, and return flights often range between £318 and £1,006. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to SEA ticket fares go up or down.

If you're looking for the cheapest time to fly from Chicago O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA), September is typically your best bet. You can expect average return flights to be around £193 during this month. September often sees lower prices as the peak summer travel season winds down, and before the holiday rush begins. Other budget-friendly months to consider for this route include February and October.

Enter ORD to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Chicago, IL (ORD) to Seattle, WA (SEA), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Chicago, IL (ORD) to Seattle, WA (SEA). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

Direct flights from ORD to SEA usually take about 4 hours 50 minutes, traveling roughly 2,762 kilometers. If you opt for a connecting flight, expect to add around 4 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for Chicago, IL (ORD) to Seattle, WA (SEA) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Chicago, IL (ORD) to Seattle, WA (SEA) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Chicago, IL (ORD) to Seattle, WA (SEA) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Chicago, IL (ORD) to Seattle, WA (SEA) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Chicago, IL (ORD) to Seattle, WA (SEA) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.