Cheap flights from Chicago to Washington, D.C. from $40
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Washington, D.C. departing on 9/28. 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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Frontier flights from Chicago to Baltimore
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Southwest flights from Chicago to Baltimore
Our best Southwest deals on Chicago to Baltimore flight tickets
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How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and Baltimore?
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 Chicago to Baltimore during July average around $185.
What is the cheapest day to depart on your flight to Baltimore?
The cheapest day to depart from Chicago to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $228. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $351. 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 Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $222 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $283.
What is the cheapest Chicago to Baltimore/Washington flight route?
Fly from Chicago O'Hare Intl to Baltimore/Washington for the best Chicago - 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 Chicago 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 Chicago for as low as $200 on momondo.
What cabin class options are available on Chicago to Baltimore/Washington flights?
There are 4 cabin classes available to choose from on Chicago 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 Chicago to Baltimore/Washington?
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Chicago 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 Chicago 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 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 Chicago to Baltimore on average per day?
As of July 2025, there are 26 flights per day flying from Chicago to Baltimore. The most common time of day flights depart is 7:00PM, with 42% of flights taking off at noon.
How many flights depart from Chicago to Baltimore on average per week?
The number of flights available between Chicago and Baltimore is 185 per week as of July 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.
When to book flights from Chicago to Baltimore
Cheap Chicago to Baltimore (CHI to BWI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago to Baltimore
Best Price Found | $40 |
|---|---|
Fastest flight time | 1h 45m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in Baltimore | 1 airport |
How far is Chicago to Baltimore/Washington by plane?
A flight from Chicago to Baltimore/Washington will travel around 604.1 mi. Typically, this will take 1h 45m by plane in normal conditions.
When did momondo last update prices for flights from Chicago to Baltimore/Washington Airport?
Prices for flights from Chicago to Baltimore/Washington Airport refresh daily.
How many operators does momondo search for flights from Chicago to Baltimore/Washington Airport?
The number of operators available for flights from Chicago to Baltimore/Washington Airport is 5 as of July 2025.
How old do you have to be to fly from Chicago to Baltimore/Washington Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The necessary travel and health documents for your Baltimore/Washington Airport 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 Chicago to Baltimore?
Based on momondo bookings for flights between Chicago and Baltimore, the leading plane model is Boeing 737-900, making up 10.01% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 9.72%, Airbus A319 with 9.53%, and Airbus A320neo with 9.04%.
What is the most popular airline from Chicago to Baltimore?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Baltimore is Southwest (35% of total bookings). The next most popular airlines are Frontier (30%), United Airlines (25%), and American Airlines (9%).
Best airlines flying from Chicago to Baltimore
Compare and see reviews for airlines that fly from Chicago to Baltimore with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $46 | Free Cancellation | Rating 6.3 8,064 reviews | |||
| PriceFrom $59 | Free Cancellation | Rating 5.9 3,273 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 8.0 4,258 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $150 | Free Cancellation | Rating 7.4 8,843 reviews |
Southwest Flights From Chicago to Baltimore
Southwest is one of the most popular airlines flying from Chicago to Baltimore, operating 58 flights/week on average for this route. A good Southwest flight deal for Chicago to Baltimore starts from $139 round-trip, up to an average price of $274. Our users have rated Southwest at 8.0/10.
United Airlines Flights From Chicago to Baltimore
Across 8,843 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Chicago to Baltimore about 21 times each week, with ticket deals ranging from $150 to $288. Price data is based on momondo searches in the last 72 hours.
Why use momondo?
Why should I use momondo to find a flight deal from Chicago to Baltimore?
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 Baltimore from Chicago.
Can I find flights from Chicago to Baltimore with flexible booking policies on momondo?
Flights from Chicago to Baltimore with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Baltimore?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Baltimore from Chicago.
I’m not ready to book a flight from Chicago to Baltimore right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Baltimore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baltimore and let you know when they change.