Cheap flights from Baltimore Washington International to Chicago

Compare Baltimore Washington International to Chicago flight deals

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Flight deals from Baltimore Washington International to Chicago

Looking for a cheap last-minute deal or the best round-trip flight from Baltimore Washington International Airport to Chicago? If you want to travel next month, round-trip fares start from $132. Find the lowest prices on one-way and round-trip tickets right here.

Chicago.$129 per passenger.Departing Mon, Jun 29, returning Sat, Jul 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Mon, Jun 29, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Sat, Jul 4, arriving in Baltimore Washington International.Price includes taxes and charges.From $129, select.

Chicago.$129 per passenger.Departing Wed, Jul 1, returning Sat, Jul 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Wed, Jul 1, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Sat, Jul 4, arriving in Baltimore Washington International.Price includes taxes and charges.From $129, select.

Chicago.$132 per passenger.Departing Tue, Jun 23, returning Tue, Jun 30.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Tue, Jun 23, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago Midway on Tue, Jun 30, arriving in Baltimore Washington International.Price includes taxes and charges.From $132, select.

Chicago.$139 per passenger.Departing Tue, May 26, returning Thu, May 28.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Tue, May 26, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Thu, May 28, arriving in Baltimore Washington International.Price includes taxes and charges.From $139, select.

Chicago.$139 per passenger.Departing Wed, May 27, returning Wed, Jun 3.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Wed, May 27, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Wed, Jun 3, arriving in Baltimore Washington International.Price includes taxes and charges.From $139, select.

Chicago.$175 per passenger.Departing Wed, Sep 9, returning Mon, Sep 14.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Wed, Sep 9, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Mon, Sep 14, arriving in Baltimore Washington International.Price includes taxes and charges.From $175, select.

Chicago.$175 per passenger.Departing Tue, Aug 11, returning Sat, Aug 15.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Tue, Aug 11, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago Midway on Sat, Aug 15, arriving in Baltimore Washington International.Price includes taxes and charges.From $175, select.

Chicago.$176 per passenger.Departing Wed, Jun 24, returning Wed, Jul 1.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Baltimore Washington International on Wed, Jun 24, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departing from Chicago Midway on Wed, Jul 1, arriving in Baltimore Washington International.Price includes taxes and charges.From $176, select.

Chicago.$176 per passenger.Departing Wed, Aug 26, returning Wed, Sep 2.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Baltimore Washington International on Wed, Aug 26, arriving in Chicago O'Hare International.Inbound direct flight with American Airlines departing from Chicago O'Hare International on Wed, Sep 2, arriving in Baltimore Washington International.Price includes taxes and charges.From $176, select.

Chicago.$176 per passenger.Departing Wed, Jun 3, returning Tue, Jun 9.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Baltimore Washington International on Wed, Jun 3, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departing from Chicago Midway on Tue, Jun 9, arriving in Baltimore Washington International.Price includes taxes and charges.From $176, select.

Chicago.$177 per passenger.Departing Tue, Aug 18, returning Tue, Aug 25.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Baltimore Washington International on Tue, Aug 18, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departing from Chicago Midway on Tue, Aug 25, arriving in Baltimore Washington International.Price includes taxes and charges.From $177, select.

Chicago.$177 per passenger.Departing Wed, May 27, returning Wed, May 27.Round-trip flight with United.Outbound direct flight with United departing from Baltimore Washington International on Wed, May 27, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Wed, May 27, arriving in Baltimore Washington International.Price includes taxes and charges.From $177, select.

Chicago.$190 per passenger.Departing Wed, Jul 22, returning Wed, Aug 5.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Wed, Jul 22, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Wed, Aug 5, arriving in Baltimore Washington International.Price includes taxes and charges.From $190, select.

Chicago.$191 per passenger.Departing Mon, Jun 1, returning Sun, Aug 16.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Mon, Jun 1, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Sun, Aug 16, arriving in Baltimore Washington International.Price includes taxes and charges.From $191, select.

Chicago.$199 per passenger.Departing Wed, Sep 9, returning Wed, Sep 16.Round-trip flight with American Airlines.Outbound direct flight with American Airlines departing from Baltimore Washington International on Wed, Sep 9, arriving in Chicago O'Hare International.Inbound direct flight with American Airlines departing from Chicago O'Hare International on Wed, Sep 16, arriving in Baltimore Washington International.Price includes taxes and charges.From $199, select.

Chicago.$203 per passenger.Departing Sat, Oct 17, returning Sun, Oct 18.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Baltimore Washington International on Sat, Oct 17, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Sun, Oct 18, arriving in Baltimore Washington International.Price includes taxes and charges.From $203, select.

Find the cheapest month to fly from Baltimore Washington International to Chicago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Chicago flights are currently cheapest in July.

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Direct flights from Baltimore Washington International to Chicago

Alternative Baltimore Washington International to Chicago routes

Looking for the cheapest, fastest or easiest route from Baltimore Washington International to Chicago? You could fly into the following airports instead.

Washington, D.C. to Chicago: Flight information

The things to know before you go.

Cheapest flight found	$129
Cheapest month to fly	July
Average flight time	2 hrs, 13 mins
Most popular airline	American Airlines
Average flights per week	813

Finding cheap flights from Baltimore Washington International to Chicago: Frequently asked questions

How many airports are there in Chicago?

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.

How much are round-trip flights from Baltimore Washington International to Chicago?

The best price we found for a round-trip flight from Baltimore Washington International to Chicago is $129. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Baltimore Washington International to Chicago?

2 hours and 13 minutes is the average flight time from Baltimore Washington International to Chicago.

Which airlines fly direct from Baltimore Washington International to Chicago?

American Airlines, Southwest Airlines and United fly direct from Baltimore Washington International to Chicago.

How many flights are there a week from Baltimore Washington International to Chicago?

There are 813 flights per week flying from Baltimore Washington International to Chicago, as of May 2026.

When is the cheapest time to fly from Baltimore Washington International to Chicago?

The cheapest month to fly from Baltimore Washington International to Chicago is usually July.

What's the cheapest airport to fly to in Chicago?

If you're flying from Baltimore Washington International Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the center of Chicago. We've found flights to this airport from $129.

Which upcoming date is cheapest to fly from Baltimore Washington International Airport to Chicago on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Chicago on Wednesday, July 1, 2026.

Can I get a direct flight from Baltimore Washington International Airport to Chicago?

Yes – the average flight time is 2 hours and 13 minutes.

How can I get the best flight deal from Baltimore Washington International Airport to Chicago?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Chicago?

In May, the average temperature is usually around 13°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

Which is the cheapest airline to fly with from Baltimore Washington International Airport to Chicago?

Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Chicago.

Traveling from Baltimore Washington International Airport (BWI) to Chicago: what you need to know

The average duration of a direct flight from Baltimore Washington International Airport to Chicago is 2 hours.
Chicago is one hour behind Washington DC, where Baltimore Washington International Airport is located. Chicago follows the UTC-6 timezone.
The busiest flight route is from Baltimore Washington International Airport (BWI) to Chicago O'Hare International Airport (ORD). You can pick from 45 services between these airports each week.
For a relaxed start to your BWI to Chicago flight, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general rule.
During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're traveling during high season in general.
You can book a direct Baltimore Washington International Airport to Chicago ticket. Begin your journey at BWI and touch down at Chicago O'Hare International Airport (ORD).
These are some of the popular airlines operating direct flights from Baltimore Washington International Airport to Chicago:
The journey from central Washington DC to BWI takes around 50 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 40 kilometers in 40 minutes or so, depending on traffic.
Have an early flight from Baltimore Washington International Airport to Chicago? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to BWI:
77% of flights that depart Baltimore Washington International Airport make it to their destination on time.

How to find the cheapest flights from Baltimore Washington International Airport (BWI) to Chicago

$60 is currently the best price for a one-way Baltimore Washington International Airport to Chicago flight. Return plane tickets start from $129. These prices can change depending on demand.
To pick up cheap flights from BWI to Chicago, reserve your journey one month ahead of your planned departure.
The best month for finding cheap Baltimore Washington International Airport to Chicago tickets is June. Use the 'Whole month' tool to compare prices, then choose the dates with the lowest fares.
Spend less time searching for cheap flights from BWI to Chicago by setting up a Price Alert. You'll get an email or notification through the app when a lower fare becomes available.
Find an affordable flight from Baltimore Washington International Airport to Chicago with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

Chicago O'Hare International Airport (ORD) is around 27 kilometers from central Chicago. If you're getting a cab or a ride-share, the drive will take roughly 30 minutes.
It typically takes 45 minutes when traveling by public transport.
If you're coming in on a late flight from Baltimore Washington International Airport to Chicago, nothing beats the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these hotels near ORD:
Get the best deal by booking your vehicle from Chicago O'Hare International Airport about four weeks in advance of your flight from BWI to Chicago.
The street address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

The center of Chicago is about 16 kilometers from Chicago Midway International Airport (MDW). Once your flight from Baltimore Washington International Airport to Chicago has touched down and you've made your way out of the airport, expect a drive of about 25 minutes.
Traveling by public transport will take around 30 minutes.
You'll find some great places ready to welcome you near MDW. Kick back and get cozy after your BWI to Chicago flight at any of these well-located options:
Get the pick of the lot. Booking your ride from MDW four weeks ahead of time often means more savings and a wider range of vehicles.
Chicago Midway International Airport can be found at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

Chicago Rockford International Airport (RFD) is about 145 kilometers from central Chicago. It takes about 1 hour 40 minutes to reach the city center in a cab or ride-share once you've stepped off your flight from Baltimore Washington International Airport to Chicago.
If you're using public transport, the journey takes around 2 hours.
If you don't want to make your way into the center, choose a hotel near RFD. Get comfortable at one of these options after your BWI to Chicago flight:
If you prefer a particular kind of vehicle, booking early gives you a better shot at snagging what you want. Reserve your ride from RFD at least a few weeks ahead of your flight from Baltimore Washington International Airport to Chicago.
Chicago Rockford International Airport's address is 2 Airport Cir.

Best time to go to Chicago

It's time to pick your trip dates for your flight from Baltimore Washington International Airport to Chicago. July is the busiest month for a trip to Chicago. If you want a more peaceful vibe, go in January.
Lock in a Baltimore Washington International Airport to Chicago plane ticket with a departure in July if you want to explore the city during its warmest month. You can expect temperatures to range from 16ºC (61ºF) to 28ºC (82ºF).
If you want cooler conditions, search for a cheap ticket from BWI to Chicago in January when temperatures average between -12ºC (10ºF) and 3ºC (37ºF).

More about Chicago

Once you've booked your flight from Baltimore Washington International Airport to Chicago, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Chicago:
Art Institute of Chicago and Millennium Park are just two of the top-rated attractions to add to your Chicago itinerary. Keep the momentum going by heading to Willis Tower.

Explore more of the United States

Columbus is just one of the many cities in the United States waiting to be discovered once you've seen the sights of Chicago. Around 451 kilometers away to the southeast, check out popular attractions including Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theater.
Indianapolis is another must-experience destination in the United States and is around 257 kilometers southeast of Chicago. No trip is complete without dropping by Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.