Cheap flights from Washington to Illinois from $42
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
How far in advance should I book a flight from State of Washington to Illinois?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 42 days in advance, which can save you up to 99% on flights from State of Washington to Illinois compared to booking the week you need them. Waiting 42 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 $328. For sooner than that we have options available in the next 3 days from $591.
What is the cheapest month to fly from State of Washington to Illinois?
February can be a great time to fly to Illinois from State of Washington with a flight ticket averaging about $293. Cheapflights users have found deals in the month of February for as cheap as $69. The most expensive prices can be found in the month of July.
When is the cheapest time to fly from State of Washington to Illinois (WA - IL)?
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.
Cheap American Airlines flights from Washington to Illinois
Explore cheap flight options specifically provided by American Airlines for the route between Washington and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
Take a look at some of the lowest-priced American Airlines flights heading from Washington to Illinois. Make sure to double check the flight details before booking.
Cheap Frontier flights from Washington to Illinois
Explore cheap flight options specifically provided by Frontier for the route between Washington and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
To aid your search, here are some of the cheapest Frontier flights we've found from Washington to Illinois. Make sure to examine the flight information before completing your reservation.
Cheap Washington to Illinois flights in May & June 2024
Find cheap flight options from Washington to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on mayo 8, 2024.
Check out some of the best flight deals from Washington to Illinois in 2024. For more flight deals, be sure to check back very soon.
Washington to Illinois 2024 flight deals
Discover exclusive flight deals for travel between Washington and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
Check out some of the best flight deals from Washington to Illinois in 2024. For more flight deals, be sure to check back very soon.
Non-stop flights to Illinois from Washington
Discover non-stop flight options from Washington to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
For a quicker trip, book one of these direct flights from Washington to Illinois. Search for alternative flights from Washington to Illinois by utilizing the search form above.
Washington to Illinois flights leaving soon
Find last-minute flight options from Washington to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
Users seeking a last-minute flight from Washington to Illinois should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
One-way flights to Illinois from Washington
Search for one-way flight options from Washington to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
Users in need of a one-way flight from Washington to Illinois can choose from these deals. Those seeking round-trip flights from Washington to Illinois should utilize the search form at the the top of the page.
Find flights from Washington to Illinois within your budget
Customize your flight search to find flights from Washington to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
Fly from
Fly to
Budget
$122 - $258
Route
Depart
Return
Price
Seattle/Tacoma IntlLambert-St Louis
SEA - STL
SEASTL
Seattle/Tacoma Intl
mar. 6/4
1 stop13h 25m
Lambert-St Louis
lun. 6/10
1 stop20h 18m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mar. 5/21
1 stop26h 59m
Chicago O'Hare Intl
mar. 6/4
1 stop11h 40m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mar. 6/4
1 stop6h 56m
Chicago O'Hare Intl
mar. 6/11
1 stop12h 31m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mar. 6/4
Nonstop4h 07m
Chicago O'Hare Intl
mar. 6/11
Nonstop4h 49m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mar. 5/21
1 stop26h 59m
Chicago O'Hare Intl
sáb. 6/1
1 stop15h 08m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mié. 6/5
Nonstop4h 15m
Chicago O'Hare Intl
mié. 6/12
1 stop8h 29m
Seattle/Tacoma IntlChicago O'Hare Intl
SEA - ORD
SEAORD
Seattle/Tacoma Intl
mié. 6/5
Nonstop4h 06m
Chicago O'Hare Intl
mar. 6/11
Nonstop4h 44m
SpokaneChicago O'Hare Intl
GEG - ORD
GEGORD
Spokane
jue. 6/13
1 stop15h 53m
Chicago O'Hare Intl
dom. 6/16
1 stop13h 33m
SpokaneChicago O'Hare Intl
GEG - ORD
GEGORD
Spokane
dom. 10/13
Nonstop3h 43m
Chicago O'Hare Intl
mar. 10/22
1 stop8h 21m
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated mayo 8, 2024.
Read through reviews of airlines operating flights from Washington to Illinois, such as American Airlines, Frontier and Alaska Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Comfort
Overall
Entertainment
Crew
Food
Boarding
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Related info for your journey
Find useful and relevant information for your journey from Washington to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Washington to Illinois
Discover the top 6 airlines that operate flights from Washington to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated mayo 8, 2024.
Search flights from Washington to Illinois by cabin class
Find flights from Washington to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Washington to Illinois
Find hourly flight availability from Washington to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 8, 2024.
| 23%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 42%of flight departures | Morning6 am to noon |
| 23%of flight departures | AfternoonNoon to 6 pm |
| 12%of flight departures | Evening6 pm to midnight |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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How does Cheapflights help users find flights from Washington to Illinois?
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!
Why should you use Cheapflights to find cheap flight tickets from Washington to Illinois?
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.
Can Cheapflights find flights from Washington to Illinois with no change fees?
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.
Can Cheapflights notify me if prices for flights from Washington to Illinois become cheaper?
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.