$89 Find Cheap Flights from Chicago O'Hare Airport to Baltimore - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Baltimore:

• Earliest: departs at 6:00 am and lands at 8:06 am
• Latest: departs at 9:36 pm and lands at 11:42 pm.

The flight takes about 2h 06m.

Three cabin classes are available on flights from Chicago O'Hare Intl Airport to Baltimore:

• Economy Class
• Premium Economy Class
• First Class

A nonstop flight from Chicago O'Hare Intl Airport to Baltimore takes 2h 06m, covering 620 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Chicago O'Hare Intl Airport to Baltimore range from $159 to $339, with an average of $241 over the past 12 months. Anything below $159 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 31% above the $241 route average. Book 21 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $144 round-trip via Denver Intl (DEN), compared to $247 for nonstop.

Southwest is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Chicago O'Hare Intl Airport to Baltimore flights are:

• Southwest: 86% on time
• American Airlines: 81% on time
• Frontier: 80% on time

Overall, flights on this route are punctual 80% of the time on average.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $37–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-900 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to Baltimore flights, with 43% of flights leaving in that window. Afternoon departures account for 29%, evening flights for 14%, and night flights for 14%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $146 to $773. That means the highest observed fare was about 5x higher than the lowest one.

American Airlines is the only airline on the Chicago O'Hare Intl Airport to Baltimore route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Chicago O'Hare Intl Airport to Baltimore are currently lower than usual. Average one-way flight prices are about $133, which is 22% below the typical average for this route.

Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:

• NextCar
• Hertz
• Dollar
• Thrifty
• Budget

Flights from Chicago O'Hare Intl Airport to Baltimore usually depart from Chicago O'Hare Intl (ORD) and arrive at Baltimore/Washington (BWI).

Morning flights have the fewest delays on this route, while night departures tend to have the most.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago O'Hare Intl Airport to Baltimore route, 20% of flights were delayed in the past 3 months, with delays averaging 1h 45m.

One-stop flights from Chicago O'Hare Intl Airport to Baltimore most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 62% of one-stop connections
• Orlando (MCO) - 14% of one-stop connections
• Fort Lauderdale (FLL) - 12% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 4% of one-stop connections

Yes. Flexible dates can save you up to 21% on flights from Chicago O'Hare Intl Airport to Baltimore. Friday is the cheapest departure day at $216 round-trip on average, while Monday is the most expensive at $272, a difference of $56.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Chicago O'Hare Intl Airport and Baltimore. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines
• Frontier

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 34m, compared with 6h 43m via New Orleans Louis Armstrong (MSY) and 7h 24m via Orlando (MCO).

Baltimore is 1 hour ahead of Chicago O'Hare Intl Airport (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Baltimore are M&T Bank Stadium, National Aquarium Baltimore and Oriole Park At Camden Yards. These are among the most viewed places in Baltimore on KAYAK.

Among airlines operating Chicago O'Hare Intl Airport to Baltimore flights:

• United Airlines: offers extra legroom; offers free seat selection
• Frontier: offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• Frontier: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Yes, BWI has the Airplay Zone in the D/E Connector, a 2-minute walk after security from Checkpoint D/E. It includes climbable play features for kids and comfortable seating with plenty of power outlets for adults.

Yes, BWI is pet-friendly and has a pet relief facility near the International Terminal before Concourse E.

ORD features the Hilton Athletic Club inside the Hilton Chicago O'Hare Airport Hotel on the Mezzanine Level for exercise and stretching before a flight. Terminal Getaway Spa is airside at Concourse H near Gate H1 and offers manicures and pedicures.