Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to Chicago
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from Seattle to Chicago
All round-trip flight deals to Chicago
See travel insights to Chicago from
How to get the cheapest flight ticket from Seattle to Chicago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago?
The cheapest month to fly to Chicago from Seattle is in January. Flight prices, which tend to average around £170, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Chicago from Seattle during February instead. Flights to Chicago in February, while not as cheap as those in January, still average around £172.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as £0. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Monday, with ticket prices averaging around £197.
What is the cheapest time of day to depart on your flight to Chicago?
Flying to Chicago from Seattle at midday is the least expensive time of day to depart. momondo users have found prices as low as £0 when looking at flights departing at midday. Flights in the morning are often more expensive, with an average ticket price of £249.
What is the cheapest Seattle/Tacoma Intl to Chicago flight route?
Fly from Seattle/Tacoma Intl to Chicago O'Hare Intl for the best Seattle/Tacoma Intl - Chicago flight prices
How far in advance should I book a flight to Chicago?
The ideal time to book your flight to Chicago is 31 days in advance, when prices tend to average £236. However, in the past 72 hours, people saw flights from Seattle for as low as £120.
What cabin class options are available on Seattle/Tacoma Intl to Chicago flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
When to book flights from Seattle to Chicago
Cheap Seattle to Chicago (SEA to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Chicago
How far is Seattle/Tacoma Intl to Chicago by plane?
The straight-line distance from Seattle/Tacoma Intl to Chicago is 1732.3 mi.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Chicago?
Prices for flights from Seattle/Tacoma Intl Airport to Chicago are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Chicago?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Chicago is Boeing 737-800, representing 28.11% of all bookings. The subsequent popular models are Boeing 737-900 at 23.18%, Boeing 737-800 Passenger/BBJ2 (winglets) at 14.57%, and Boeing 737 MAX 9 at 11.24%.
What is the most popular airline from Seattle to Chicago?
momondo data reveals that the most frequently booked airline on the route from Seattle to Chicago is Alaska Airlines, representing 100% of all bookings.
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Chicago?
Finding the right flight to Chicago from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.
Can I find flights from Seattle to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Seattle with this policy.
How can momondo help me find flights from Seattle to Chicago?
momondo helps you find the best flight between Seattle and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Chicago right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.