Cheap flights from Chicago to Baltimore Washington International

Compare Chicago to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

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Flight deals from Chicago to Baltimore Washington International

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Baltimore Washington International Airport? If you want to travel next month, round-trip fares start from $129. Find the lowest prices on one-way and round-trip tickets right here.

Washington, D.C..$127 per passenger.Departing Mon, May 18, returning Mon, May 18.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Mon, May 18, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Mon, May 18, arriving in Chicago Midway.Price includes taxes and charges.From $127, select.

Washington, D.C..$129 per passenger.Departing Wed, Jun 24, returning Wed, Jul 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago Midway on Wed, Jun 24, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Wed, Jul 1, arriving in Chicago Midway.Price includes taxes and charges.From $129, select.

Washington, D.C..$129 per passenger.Departing Wed, Jun 3, returning Tue, Jun 9.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Wed, Jun 3, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Tue, Jun 9, arriving in Chicago O'Hare International.Price includes taxes and charges.From $129, select.

Washington, D.C..$131 per passenger.Departing Wed, May 20, returning Mon, Jun 1.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago Midway on Wed, May 20, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Mon, Jun 1, arriving in Chicago Midway.Price includes taxes and charges.From $131, select.

Washington, D.C..$165 per passenger.Departing Tue, Sep 1, returning Tue, Sep 8.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Tue, Sep 1, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Tue, Sep 8, arriving in Chicago O'Hare International.Price includes taxes and charges.From $165, select.

Washington, D.C..$171 per passenger.Departing Wed, Jul 1, returning Sat, Jul 4.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago Midway on Wed, Jul 1, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Sat, Jul 4, arriving in Chicago Midway.Price includes taxes and charges.From $171, select.

Washington, D.C..$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 Chicago Midway on Wed, Jun 3, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departing from Baltimore Washington International on Tue, Jun 9, arriving in Chicago Midway.Price includes taxes and charges.From $176, select.

Washington, D.C..$176 per passenger.Departing Tue, Aug 11, returning Wed, Aug 12.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on Tue, Aug 11, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departing from Baltimore Washington International on Wed, Aug 12, arriving in Chicago Midway.Price includes taxes and charges.From $176, select.

Washington, D.C..$176 per passenger.Departing Tue, May 19, returning Tue, Jun 2.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on Tue, May 19, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departing from Baltimore Washington International on Tue, Jun 2, arriving in Chicago Midway.Price includes taxes and charges.From $176, select.

Washington, D.C..$177 per passenger.Departing Tue, Sep 29, returning Tue, Sep 29.Round-trip flight with United.Outbound direct flight with United departing from Chicago O'Hare International on Tue, Sep 29, arriving in Baltimore Washington International.Inbound direct flight with United departing from Baltimore Washington International on Tue, Sep 29, arriving in Chicago O'Hare International.Price includes taxes and charges.From $177, select.

Washington, D.C..$177 per passenger.Departing Wed, Jul 1, returning Wed, Jul 1.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on Wed, Jul 1, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departing from Baltimore Washington International on Wed, Jul 1, arriving in Chicago Midway.Price includes taxes and charges.From $177, select.

Washington, D.C..$177 per passenger.Departing Wed, Jun 24, returning Wed, Jul 1.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on Wed, Jun 24, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departing from Baltimore Washington International on Wed, Jul 1, arriving in Chicago Midway.Price includes taxes and charges.From $177, select.

Washington, D.C..$187 per passenger.Departing Tue, Jun 9, returning Sat, Aug 15.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago Midway on Tue, Jun 9, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Sat, Aug 15, arriving in Chicago O'Hare International.Price includes taxes and charges.From $187, select.

Washington, D.C..$191 per passenger.Departing Wed, May 27, returning Sun, Aug 9.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Wed, May 27, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Sun, Aug 9, arriving in Chicago O'Hare International.Price includes taxes and charges.From $191, select.

Washington, D.C..$197 per passenger.Departing Wed, May 27, returning Wed, May 27.Round-trip flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departing from Chicago Midway on Wed, May 27, arriving in Baltimore Washington International.Inbound direct flight with Southwest Airlines departing from Baltimore Washington International on Wed, May 27, arriving in Chicago Midway.Price includes taxes and charges.From $197, select.

Washington, D.C..$207 per passenger.Departing Wed, Jul 15, returning Sat, Aug 15.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Wed, Jul 15, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departing from Baltimore Washington International on Sat, Aug 15, arriving in Chicago O'Hare International.Price includes taxes and charges.From $207, select.

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

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

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Direct flights from Chicago to Baltimore Washington International

Chicago to Baltimore Washington International: Alternative routes

Compare routes from Chicago to Washington, D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Chicago to Washington, D.C.: Flight information

The things to know before you go.

Cheapest flight found	$127
Cheapest month to fly	May
Average flight time	1 hr, 58 mins
Most popular airline	Southwest Airlines
Average flights per week	530

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

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

The best price we found for a round-trip flight from Chicago to Baltimore Washington International is $127. 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 Chicago to Baltimore Washington International?

1 hour and 58 minutes is the average flight time from Chicago to Baltimore Washington International.

Which airlines fly direct from Chicago to Baltimore Washington International?

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

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

There are 530 flights per week flying from Chicago to Baltimore Washington International, as of May 2026.

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Baltimore Washington International Airport on Monday, May 18, 2026.

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

Yes – the average flight time is 1 hour and 58 minutes.

How can I find the best flight deal to Baltimore Washington International?

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 Baltimore Washington International 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 Washington, D.C.?

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

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

Your trip gets off the ground at one of Chicago's main airports, Chicago O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Baltimore Washington International Airport (BWI) departing from either of these bases.
Around 2 hours is the typical travel time on a direct Chicago to Baltimore Washington International Airport flight.
Baltimore Washington International Airport is located in Washington DC. The city is in the UTC-5 timezone and is one hour ahead of Chicago.
The busiest route is Chicago O'Hare International Airport (ORD) to Baltimore Washington International Airport (BWI). There are 45 direct services every week.
To ensure you catch your flight from Chicago to BWI, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.
Popular months like July or vacation periods such as Thanksgiving and Christmas will mean longer queues at check-in and security. Traveling then? Play it safe and head to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a wise idea.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

You can hop on a direct flight from Chicago to Baltimore Washington International Airport (BWI) departing from Chicago O'Hare International Airport (ORD).
These are some of the most popular carriers operating direct flights from Chicago to Baltimore Washington International Airport departing from ORD:
United ranks first in bookings for flights from ORD to BWI.
Southwest Airlines is the top-ranked carrier for punctuality on this route.
Traveling from central Chicago to ORD takes around 45 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 27 kilometers in 30 minutes or so, depending on traffic conditions.
Catching an early flight from Chicago to Baltimore Washington International Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by staying at one of these hotels near Chicago O'Hare International Airport:
When it comes to the on-time performance of Chicago O'Hare International Airport, data shows 70% of flights arrive within the expected time frame.
ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

You can book a direct Chicago to Baltimore Washington International Airport (BWI) plane ticket out of Chicago Midway International Airport (MDW). Decide if leaving from MDW is a better fit for your trip.
Southwest Airlines operates direct flights from Chicago to BWI out of MDW. Book your favorite aisle (or window) seat and reach your destination in a single hop.
Southwest Airlines ranks number one in bookings on the MDW to BWI route.
Southwest Airlines is the most reliable carrier flying from Chicago Midway International Airport to Baltimore Washington International Airport, with 78.08% of its services landing on time.
MDW is about 16 kilometers from central Chicago. It'll take you 25 minutes or so to get to the airport if you're driving from the city center. Public transport takes roughly 30 minutes.
Want to enjoy an extra night away before catching your Chicago to BWI flight? Relax in a hotel near Chicago Midway International Airport before your break officially begins. These stays are expecting you:
Chicago Midway International Airport has an on-time performance of 76%. This figure provides insight into how frequently flights departing from this airport make it to their destination on time.
The address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

RFD is roughly 145 kilometers from central Chicago. Driving from the city center to the airport takes about 1 hour 40 minutes. If you're planning to use public transport, you can expect a journey of around 2 hours.
Make catching an early Chicago to Baltimore Washington International Airport flight the easiest part of your trip. Book a room at one of these hotels near Chicago Rockford International Airport and get to your gate with time to spare:
The on-time performance rate of RFD is 71%. In other words, that's how frequently flights that depart this airport arrive at their destination as planned.
Chicago Rockford International Airport is located at 2 Airport Cir.

About Baltimore Washington International Airport (BWI)

Reserve a hotel close to BWI if you're catching a late flight from Chicago to Baltimore Washington International Airport. Select one of these options and be under the covers in no time flat:
Booking your vehicle around two weeks in advance of your Chicago to Baltimore Washington International Airport flight can help you secure the lowest rate.

Getting from Baltimore Washington International Airport (BWI) to central Washington DC

From Baltimore Washington International Airport, central Washington DC is around 48 kilometers away. It takes about 40 minutes to reach the city center by car.
When traveling by public transport, expect a journey of roughly 50 minutes.

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

$62 is currently the best price for a one-way ticket from Chicago to Baltimore Washington International Airport. A return flight starts at $127. These fares may change depending on demand and availability.
Booking ahead of time is often the key to scoring a cheap flight from Chicago to BWI. Prices tend to rise as demand increases, so the closer you get to departure, the more it could cost you.
If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll show you the lowest price in each month when searching for your Chicago to Baltimore Washington International Airport ticket.
Locking in a cheap plane ticket from Chicago to BWI is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a better deal is available.
Filters make it easier to find a bargain for your flight from Chicago to Baltimore Washington International Airport. Pick the departure times, carriers and stops that look good to you. Then sort the results by 'Cheapest' to find the lowest price right away.

The best time to fly from Chicago to Baltimore Washington International Airport (BWI)

July is the most popular month for flights from Chicago to Baltimore Washington International Airport (BWI). Visit Washington DC in December if you prefer a quieter experience.
Before locking in your Chicago to BWI plane ticket, consider the type of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).
If you want to travel in cooler conditions, look for a cheap ticket from Chicago to Baltimore Washington International Airport in January when temperatures are between -6ºC (21ºF) and 10ºC (50ºF).

More about Washington DC

Once you've booked your flight from Chicago to Baltimore Washington International Airport, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Washington DC:
Every great journey has to include some sightseeing. Lincoln Memorial, The White House and Smithsonian National Museum of Natural History are must-visits when exploring Washington DC.

Explore more of the United States

You've visited Washington DC, now it's time to explore other corners of the United States. Travel around 153 kilometers northeast to Philadelphia to tick off its leading attractions. From Independence Hall to Liberty Bell and Philadelphia Museum of Art, there's plenty to keep you busy.
Virginia Beach is another standout destination in the United States and is around 274 kilometers south of Washington DC. No journey is complete without seeing Virginia Beach Boardwalk, Resort Beach and Neptune's Park.