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

You can find cheap one-way flights from AU$173 and cheap return flights AU$515 ORD to SEA with Expedia. One-way flights typically cost between AU$293 and AU$1,165 and return flights often range between AU$604 and AU$1,911. 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.

The cheapest months to fly from Chicago, IL (ORD) to Seattle, WA (SEA) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

There are 5 airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Here are some of the top carriers:
* United operates 47 direct flights from ORD to SEA every week.
* American Airlines operates 38 direct flights from ORD to SEA every week.
* Delta operates 23 direct flights from ORD to SEA every week.
* Qatar Airways operates 33 direct flights from ORD to SEA every week.
* Finnair operates 9 direct flights from ORD to SEA every week.

American Airlines is one of the cheapest airlines offering nonstop return flights from Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with tickets starting from around AU$244 for flights that can be booked for departure within the next year. Sun Country Airlines offers one of the cheapest connecting return flights on this route, with tickets starting from around AU$312. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

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 airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. United offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

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.

You'll find approximately 16 nonstop flights per day from Chicago O'Hare International (ORD) to Seattle-Tacoma International (SEA). For even more choices, look at flights that include layovers, as there are around 169 connecting flights per day. Some common connection points include Denver International (DEN), Dallas-Fort Worth International (DFW), and San Francisco International (SFO).

The earliest flight from Chicago O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA) typically departs around 12:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from Chicago O'Hare International Airport (ORD) to Seattle - Tacoma International Airport (SEA) on a Thursday, with around 101 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, American Airlines, and Alaska Airlines. Flight schedules are quite consistent throughout the week, so you'll have a good selection of flights no matter which day you choose to fly.

The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, from 6am to 9am. Many major carriers, including Alaska Airlines, American Airlines and Delta, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.

When flying from Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), you'll cover a distance of approximately 2762 kilometres. A nonstop flight typically takes around 4 hours 48 minutes. If you opt for a flight with one stop, your travel time will generally be longer, averaging about 9 hours. Flights with two or more stops usually take around 10 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.

You can fly business class or first class between ORD and SEA. You can fly business class with Frontier Airlines and Delta.

First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.

It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.

If you're planning to travel to Seattle from O'Hare Intl. (ORD), you can fly directly into Seattle - Tacoma Intl. (SEA) which offers international flights and connections. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Diego Intl. (SAN), or Portland Intl. (PDX) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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-O'Hare Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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.