Cheap flights from Baltimore to Chicago from $36
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Chicago departing on 9/15. 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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Spirit Airlines flights from Baltimore to Chicago
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Frontier flights from Baltimore to Chicago
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How to get the cheapest flight ticket from Baltimore 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 month of January is, on average, the cheapest month to fly to Chicago from Baltimore, with most prices found around $174. If you’re not able to fly to Chicago in January, then November is your next best option. Flight prices from Baltimore to Chicago during November average around $197.
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 Friday when prices can be found for as low as $386. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Baltimore to Chicago for around $491.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Baltimore to Chicago during this time can be as low as $331. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $439.
What is the cheapest Baltimore/Washington to Chicago flight route?
Fly from Baltimore/Washington to Chicago O'Hare Intl for the best Baltimore/Washington - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Baltimore for as low as $227 on momondo.
What cabin class options are available on Baltimore/Washington to Chicago flights?
There are 4 cabin classes available to choose from on Baltimore/Washington to Chicago 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 Baltimore/Washington to Chicago?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Baltimore/Washington to Chicago
What airlines fly to Chicago?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Chicago from Baltimore according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 6 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Baltimore to Chicago on average per day?
As of July 2025, 20 flights take off from Baltimore and land in Chicago each day. The most common flight departure time for this route is 6:00AM, with 57% of daily flights taking off at noon.
How many flights depart from Baltimore to Chicago on average per week?
As of July 2025, there are 142 flights per week flying from Baltimore to Chicago. The most common day of the week flights depart is Mon, with 23% of flights taking off on this day.
When to book flights from Baltimore to Chicago
Cheap Baltimore to Chicago (BWI to CHI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Baltimore to Chicago
Best Price Found | $36 |
|---|---|
Fastest flight time | 2h 00m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in Chicago | 2 airports |
How far is Baltimore/Washington to Chicago by plane?
The distance between Baltimore/Washington and Chicago is about 604.1 mi. Typically, this will take 2h 03m by plane in normal conditions.
When did momondo last update prices for flights from Baltimore/Washington Airport to Chicago?
Prices for flights from Baltimore/Washington Airport to Chicago are updated daily.
How many operators does momondo search for flights from Baltimore/Washington Airport to Chicago?
The number of operators available for flights from Baltimore/Washington Airport to Chicago is 6 as of July 2025.
How old do you have to be to fly from Baltimore/Washington Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Baltimore to Chicago?
Based on momondo bookings for flights between Baltimore and Chicago, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 9.87% of the total bookings. Other popular models include Boeing 737-900 with 9.56%, Airbus A319 with 8.89%, and Boeing 737 MAX 8 with 8.74%.
What is the most popular airline from Baltimore to Chicago?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Baltimore to Chicago is Frontier (38% of total bookings). The next most popular airlines are Southwest (31%), United Airlines (21%), and American Airlines (9%).
Best airlines flying from Baltimore to Chicago
Compare and see reviews for airlines that fly from Baltimore to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $55 | Free Cancellation | Rating 6.3 8,103 reviews | |||
| PriceFrom $58 | Free Cancellation | Rating 5.9 3,291 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 8.0 7,975 reviews | |||
| PriceFrom $153 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 7.4 8,858 reviews | |||
| PriceFrom $163 | Free Cancellation | Rating 8.0 4,272 reviews |
Southwest Flights From Baltimore to Chicago
Southwest is one of the most popular airlines flying from Baltimore to Chicago, operating 52 flights/week on average for this route. A good Southwest flight deal for Baltimore to Chicago starts from $163 round-trip, up to an average price of $293. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Baltimore to Chicago
The best United Airlines deal for Baltimore to Chicago flight tickets found on momondo in the last 72 hours was $156, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $300 round-trip. United Airlines operates 20 flights out of Baltimore into Chicago in an average week, so prices vary by time and availability. 8,861 United Airlines reviews by users on momondo have scored the airline at 7.4/10.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Baltimore to Chicago?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Baltimore.
Can I find flights from Baltimore to Chicago with flexible booking policies on momondo?
Yes. All flights to Chicago from Baltimore on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Baltimore to Chicago?
Once all potential Baltimore to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Baltimore to Chicago right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Baltimore to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.