How long is the flight from Baltimore to Chicago?

United Airlines and Southwest can get you from Baltimore to Chicago in just under 2h 05m. Your travel time will be generally consistent. Airlines will cover a distance of 609 mi. All flights are typically nonstop.

What are the cheapest airlines flying from Baltimore to Chicago round-trip?

Cheapflights users have booked flights from Baltimore to Chicago round-trip from $46. Other airlines that can offer you cheap pricing are Frontier, from $61, and Delta, from $98. You may be able to fly from Baltimore to Chicago for 78% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Baltimore to Chicago one-way?

For one-way options, check prices for Southwest. According to our data, you can fly for as low as $70. Users have also found prices from $70 and $72 on United Airlines and Frontier, respectively.

How far ahead should I book a flight from Baltimore to Chicago?

To ensure you get the cheapest price possible for a flight from Baltimore to Chicago, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Baltimore to Chicago?

Currently, August is the cheapest month in which you can book a flight from Baltimore to Chicago (average of $245). Flying from Baltimore to Chicago in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Baltimore to Chicago?

Travelers seeking maximum savings on their Baltimore to Chicago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Baltimore to Chicago

The most flights from BWI to CHI are scheduled on a Monday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the most popular routes from Baltimore to Chicago?

When deciding which route to take from Baltimore to Chicago consider Baltimore/Washington - Chicago O'Hare Intl, Baltimore/Washington - Chicago Midway or Baltimore/Washington - Chicago Greater Rockford as they are the most popular.

What are the cheapest flights from Baltimore to Chicago?

On average you can expect to pay $942 for a flight from Baltimore to Chicago. The cheapest flight overall is $61 while the most popular route, (Baltimore/Washington - Chicago O'Hare Intl) is currently priced at $83.

What are the most reliable airlines from Baltimore to Chicago?

No one likes to see their flight delayed. When booking a flight from Baltimore to Chicago consider choosing ANA (92%), Japan Airlines (88%) or Royal Jordanian (88%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Baltimore to Chicago?

American Airlines, Delta and Frontier are the most popular airlines when flying from Baltimore to Chicago.

What is the cheapest day to fly round-trip from Baltimore to Chicago?

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 104% when planning your travel around this day of the week.

How far in advance should I book a flight from Baltimore to Chicago?

Travelers have found it’s best to book a flight 37 days in advance to save up to 61% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 37 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Baltimore to Chicago 1-2 weeks in advance for as low as $278, or $344 for flights within the next 24 hours.

What is the cheapest month to fly from Baltimore to Chicago?

September can be a great time to fly to Chicago from Baltimore with a flight ticket averaging about $248. Cheapflights users have found deals in the month of September for as cheap as $81. The most expensive prices can be found in the month of April.

What is the cheapest time of day to fly from BWI to CHI?

Unlike in the morning, when flights are generally more expensive, you can save up to 50% on flights from Baltimore to Chicago by exploring options for tickets in the afternoon.

What airport do you fly from for flights from Baltimore to Chicago?

If you book a flight to Chicago from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore. There are 28 flights from Baltimore/Washington to Chicago per day from 6 different airlines.

Can I find deals for flights from Baltimore to Chicago that include hotel bookings?

Yes. In addition to deals on Baltimore to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Baltimore to Chicago?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Baltimore to Chicago.

Can I find deals for business class flights from Baltimore to Chicago?

Yes. Cheapflights offers flight deals from Baltimore to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$70+ Cheap Flights from Baltimore to Chicago

Round-trip from	$107 (Priceline)
One-way from	$70 (Priceline)
Popular in	March
Cheapest in	January
Average price	$182

Southwest offers free snacks and non-alcoholic beverages, enhancing the short flight experience.

Southwest’s Early Bird check-in gives priority boarding, ideal for business travelers.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$46	Average$125	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$61	Average$165	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$98	Average$312	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$157	Average$292	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$158	Average$307	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$159	Average$304	FlexibilityNo cancel fee	On-time71%

$70+ Cheap flights from Baltimore (BWI) to Chicago (CHI)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Baltimore/Washington to Chicago are usually found in January or September, booked 64 days in advance, depart on a Friday or Thursday and return on a Friday

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Cheapest flights from Baltimore to ChicagoExplore the most affordable flight options available from Baltimore to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

Explore the most affordable flight options available from Baltimore to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

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Best time to book a flight from Baltimore to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Baltimore with our price prediction graph.

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Everything you need to know about your flight from Baltimore to Chicago

How far ahead should I book a flight from Baltimore to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Chicago. Price data was last updated on September 12, 2025.

What is the cheapest month to book a flight from Baltimore to Chicago?

What is the cheapest time of day to fly from BWI to CHI?

Find hourly flight availability from Baltimore to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

What is the cheapest day to fly from Baltimore to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Chicago. Price data was last updated on September 7, 2025.

Weekly flight availability from Baltimore to Chicago

Reviews of airlines servicing Chicago

Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Baltimore to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Baltimore to Chicago?

How long is the flight from Baltimore to Chicago?

What are the cheapest airlines flying from Baltimore to Chicago round-trip?

What are the cheapest airlines to fly from Baltimore to Chicago one-way?

What are the most popular routes from Baltimore to Chicago?

What are the most reliable airlines from Baltimore to Chicago?

What are the cheapest flights from Baltimore to Chicago?

Can I find deals for flights from Baltimore to Chicago that include hotel bookings?

How can I find direct flights from Baltimore to Chicago?

Can I find deals for business class flights from Baltimore to Chicago?

What is the cheapest month to book a flight from Baltimore to Chicago?

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Cheapest flights from Baltimore to Chicago
Explore the most affordable flight options available from Baltimore to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.