Cheap flights from Chicago to Seattle (CHI - SEA)

Flight FAQs

From Chicago to Seattle

Are flight prices decreasing from Chicago to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Chicago to Seattle/Tacoma Intl to control the spread of COVID-19?

Alaska Airlines, Southwest, and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Chicago to Seattle/Tacoma Intl include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Chicago to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Chicago to Seattle/Tacoma Intl that may be offering flexible cancellation policies are Delta, Alaska Airlines, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Chicago to Seattle for under $100 on Cheapflights?

Yes, there are multiple flights from Chicago to Seattle for under $100. The cheapest flight booked recently is on Frontier for just $78, but on average you can expect to pay $125.

Are there nonstop flights from Chicago to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to Seattle under $200. A good price for a nonstop flight from Chicago to Seattle is less than $159.

Are there last-minute flights available from Chicago to Seattle for under $200?

There are currently 20+ open flights from Chicago to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Chicago to Seattle?

You can find nonstop flights on the following days: Monday, Thursday, Friday, Saturday.

How many flights depart from Chicago to Seattle on average per day?

10 flight departures from Chicago to Seattle/Tacoma Intl per day on average.
Early Morning (Midnight to 6am) - 10% of flight departures
Morning (6am - Noon) - 30% of flight departures
Afternoon (Noon - 6pm) - 10% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

Is Chicago weather warmer or cooler than Seattle?

Temperatures around the 84 °F's can be experienced in July. The weather in Seattle is colder than in Chicago. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Chicago to Seattle?

A quick flight from Chicago to Seattle can take about 4h 25m. United Airlines provides one of the quickest options available for as low as $137. There are 1725 mi between Chicago and Seattle. All flights are typically nonstop.

What are the cheapest airlines flying from Chicago to Seattle round-trip?

Our cheapest airline available from Chicago to Seattle is Frontier. Our recent data shows that you can find tickets from as low as $78 on this airline. Additional options worth looking into are Alaska Airlines and Major Airline, starting at $118 and $125 round-trip. You may be able to fly from Chicago to Seattle for 65% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Chicago to Seattle one-way?

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $58. Users have also found prices from $59 and $64 on Alaska Airlines and Frontier, respectively.