When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 39 days in advance, which can save you up to 73% on flights from State of Washington to Illinois compared to booking the week you need them. Waiting 39 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $296. For sooner than that we have options available in the next 3 days from $575.
January can be a great time to fly to Illinois from State of Washington with a flight ticket averaging about $306. Cheapflights users have found deals in the month of January for as cheap as $99. The most expensive prices can be found in the month of July.
When flying from State of Washington to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$111 - $202
Route
Depart
Return
Price
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mar. 4/23
Nonstop3h 59m
Chicago O'Hare Intl
mié. 4/24
Nonstop4h 34m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
sáb. 4/20
Nonstop3h 59m
Chicago O'Hare Intl
sáb. 4/27
Nonstop4h 34m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mié. 4/24
Nonstop3h 59m
Chicago O'Hare Intl
sáb. 4/27
Nonstop4h 34m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
sáb. 4/20
1 stop7h 54m
Chicago O'Hare Intl
sáb. 4/27
Nonstop4h 34m
Seattle/Tacoma IntlChicago Midway
SEA - MDW
SEAMDW
Seattle/Tacoma Intl
mié. 4/17
1 stop12h 38m
Chicago Midway
mar. 4/23
1 stop12h 21m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mié. 4/24
Nonstop4h 01m
Chicago O'Hare Intl
mar. 5/7
Nonstop4h 42m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
vie. 4/19
Nonstop3h 58m
Chicago O'Hare Intl
mié. 4/24
Nonstop4h 45m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
sáb. 4/20
Nonstop4h 11m
Chicago O'Hare Intl
sáb. 4/27
1 stop8h 44m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
vie. 4/12
2 stops21h 08m
Chicago O'Hare Intl
mar. 4/16
2 stops27h 42m
No data available for this route at this time. Please check back soon.
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
No tray tables for food or drink not convenient nor comfortable
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
No tray tables for food or drink not convenient nor comfortable
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
No tray tables for food or drink not convenient nor comfortable
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
No tray tables for food or drink not convenient nor comfortable
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
No tray tables for food or drink not convenient nor comfortable
Boarding
Entertainment
Comfort
Food
Overall
Crew
Reviews
No tray tables for food or drink not convenient nor comfortable
7%of flight departures | Early morningMidnight to 6 am |
---|---|
68%of flight departures | Morning6 am to noon |
19%of flight departures | AfternoonNoon to 6 pm |
6%of flight departures | Evening6 pm to midnight |
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from Washington today with Cheapflights!
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington to Illinois.
Certainly. Search results for flights to Illinois from Washington shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Yes, Cheapflights offers price alerts on Washington to Illinois flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
Yes, you can often find last-minute deals on Washington to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.
Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.
Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.