Cheap flights from Illinois to Washington, D.C. from $53
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Washington, D.C. departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Illinois to Baltimore
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 Baltimore?
If you’re not able to fly to Baltimore in August, then July is your next best option. Flight prices from Illinois to Baltimore during July average around $186.
What is the cheapest day to depart on your flight to Baltimore?
The cheapest day to depart from Illinois to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $224. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $350. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.
What is the cheapest time of day to depart on your flight to Baltimore?
Flying to Baltimore from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $227 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $285.
What is the cheapest Illinois to Baltimore/Washington flight route?
Fly from Chicago O'Hare Intl to Baltimore/Washington for the best Illinois - Baltimore/Washington flight prices
How far in advance should I book a flight to Baltimore?
You are more likely to see cheaper flights to Baltimore from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $277 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Illinois for as low as $200 on momondo.
What cabin class options are available on Illinois to Baltimore/Washington flights?
There are 4 cabin classes available to choose from on Illinois to Baltimore/Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Illinois to Baltimore/Washington?
Spirit Airlines, Frontier, and Southwest are the most popular carriers operating from Illinois to Baltimore/Washington
What airlines fly to Baltimore?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Baltimore from Illinois according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 6 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Baltimore on average per day?
The number of flights available between Illinois and Baltimore is 34 per day as of June 2025. The most frequent departure time is 8:00PM, with 38% of daily flights leaving in the evening.
How many flights depart from Illinois to Baltimore on average per week?
As of June 2025, 240 flights take off from Illinois and land in Baltimore each week. The most common flight departure day for this route is Fri, with 20% of weekly flights taking off on this day.
Cheap Illinois to Baltimore flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Baltimore
When did momondo last update prices for flights from Illinois to Baltimore/Washington Airport?
Prices for flights from Illinois to Baltimore/Washington Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Baltimore/Washington Airport?
As of June 2025, there are 6 operators available to choose from for flights from Illinois to Baltimore/Washington Airport.
How old do you have to be to fly from Illinois to Baltimore/Washington Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Baltimore?
Based on momondo bookings for flights between Illinois and Baltimore, the leading plane model is Airbus A319, making up 10.29% of the total bookings. Other popular models include Boeing 737-900 with 9.83%, Boeing 737-800 Passenger/BBJ2 (winglets) with 9.48%, and Boeing 737 MAX 8 with 9.24%.
Best airlines flying from Illinois to Baltimore
Compare and see reviews for airlines that fly from Illinois to Baltimore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 6.3 8,077 reviews | |||
| PriceFrom $59 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $141 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $153 | Free Cancellation | Rating 7.4 8,831 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 8.0 7,966 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Illinois to Baltimore?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Baltimore for you.
Can I find flights from Illinois to Baltimore with flexible booking policies on momondo?
Yes. All flights to Baltimore from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Illinois to Baltimore?
Once you have performed a search for Illinois to Baltimore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Illinois to Baltimore right now. Can momondo alert me if prices change?
Price alerts on flights to Baltimore from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.