Flight tickets from Seattle Boeing Fld to Chicago

Compare Seattle Boeing Fld to Chicago flight deals

Find the cheapest month or even day of the year to fly to Chicago

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Flight deals from Seattle Boeing Fld to Chicago

Looking for a cheap last-minute deal or the best return flight from Seattle Boeing Fld to Chicago? Find the lowest prices on one-way and return tickets right here.

Direct flights from Seattle Boeing Fld to Chicago

Alternative Seattle Boeing Fld to Chicago routes

Looking for the cheapest, fastest or easiest route from Seattle Boeing Fld to Chicago? You could fly into the following airports instead.

Seattle to Chicago: Flight information

The things to know before you go.

Average flight time	3 hrs, 55 mins
Most popular airline	United
Average flights per week	1

Finding cheap flights from Seattle Boeing Fld to Chicago: Frequently asked questions

How many airports are there in Chicago?

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.

How long does it take to fly from Seattle Boeing Fld to Chicago?

3 hours and 55 minutes is the average flight time from Seattle Boeing Fld to Chicago.

Which airlines fly direct from Seattle Boeing Fld to Chicago?

United flies direct from Seattle Boeing Fld to Chicago.

How many flights are there a week from Seattle Boeing Fld to Chicago?

As of March 2025, there is one flight per week flying from Seattle Boeing Fld to Chicago.

When is the cheapest time to fly from Seattle Boeing Fld to Chicago?

The cheapest month to fly from Seattle Boeing Fld to Chicago is usually March 2025.

Can I get a direct flight from Seattle Boeing Fld Airport to Chicago?

Yes – the average flight time is 3 hours and 55 minutes.

How can I get the best flight deal from Seattle Boeing Fld Airport to Chicago?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Chicago?

In March, the average temperature is usually around 3°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

How to find cheap flights to Chicago from Seattle Boeing Fld

Looking for cheap tickets from Seattle Boeing Fld to Chicago? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Seattle Boeing Fld to Chicago. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Chicago from Seattle Boeing Fld from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best Seattle Boeing Fld-Chicago ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Chicago from Seattle Boeing Fld.
Set up a Price Alert. You can easily track the fare of your cheap Seattle Boeing Fld-Chicago flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Seattle Boeing Fld and Chicago? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from Seattle Boeing Fld and Chicago. We scour the internet for the best Business, Premium Economy and First Class flight fares to Chicago, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for Seattle Boeing Fld to Chicago flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to Chicago from Seattle Boeing Fld with hotels and car hire

Once you've secured your cheap flight ticket from Seattle Boeing Fld to Chicago, discover the best prices and exclusive rates for hotels in Chicago or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.