$81 Cheap Flights from Columbus (CMH) to Baltimore (BWI)

View $81 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Airport (BWI)

Cheap Flights from Columbus to Baltimore (CMH-BWI)

Prices were available within the past 7 days and start at $81 for one-way flights and $150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 21 - Mon, Aug 25
CMH
Columbus
BWI
Baltimore
$150 Roundtrip, found 2 days ago
$150
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 21 from Columbus to Baltimore, returning Mon, Aug 25, priced at $150 found 2 days ago
Southwest Airlines
Sat, Sep 20 - Tue, Sep 23
CMH
Columbus
BWI
Baltimore
$151 Roundtrip, found 5 days ago
$151
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Sep 20 from Columbus to Baltimore, returning Tue, Sep 23, priced at $151 found 5 days ago
American Airlines
Sat, Aug 23 - Sat, Sep 13
CMH
Columbus
BWI
Baltimore
$154 Roundtrip, found 6 days ago
$154
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Aug 23 from Columbus to Baltimore, returning Sat, Sep 13, priced at $154 found 6 days ago
Southwest Airlines
Sat, Aug 23 - Sat, Sep 13
CMH
Columbus
BWI
Baltimore
$159 Roundtrip, found 6 days ago
$159
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Aug 23 from Columbus to Baltimore, returning Sat, Sep 13, priced at $159 found 6 days ago
American Airlines
Thu, Aug 21 - Mon, Aug 25
CMH
Columbus
BWI
Baltimore
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Aug 21 from Columbus to Baltimore, returning Mon, Aug 25, priced at $159 found 2 days ago
Delta
Thu, Aug 21 - Mon, Aug 25
CMH
Columbus
BWI
Baltimore
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Aug 21 from Columbus to Baltimore, returning Mon, Aug 25, priced at $159 found 2 days ago
Spirit Airlines
Wed, Aug 13 - Thu, Aug 14
CMH
Columbus
BWI
Baltimore
$160 Roundtrip, found 4 days ago
$160
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Wed, Aug 13 from Columbus to Baltimore, returning Thu, Aug 14, priced at $160 found 4 days ago
United
Thu, Aug 21 - Mon, Aug 25
CMH
Columbus
BWI
Baltimore
$162 Roundtrip, found 2 days ago
$162
Roundtrip
found 2 days ago
Select United flight, departing Thu, Aug 21 from Columbus to Baltimore, returning Mon, Aug 25, priced at $162 found 2 days ago
Southwest Airlines
Thu, Aug 21 - Mon, Aug 25
CMH
Columbus
BWI
Baltimore
$163 Roundtrip, found 2 days ago
$163
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Aug 21 from Columbus to Baltimore, returning Mon, Aug 25, priced at $163 found 2 days ago
Delta
Tue, Aug 5 - Sat, Aug 9
CMH
Columbus
BWI
Baltimore
$165 Roundtrip, found 5 days ago
$165
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Aug 5 from Columbus to Baltimore, returning Sat, Aug 9, priced at $165 found 5 days ago

Find the cheapest month to fly from Columbus (CMH) to Baltimore (BWI)

March is typically the cheapest month to fly

From $119 - $340 per traveler.

Graph displaying average flight prices per month

Flights from Columbus (CMH) to Baltimore (BWI)
Origin airport
John Glenn Columbus Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$150
Distance
335 mi
Average flight time
1 hour 19 mins

Columbus to Baltimore Flights

The cheapest times to fly from Columbus to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Columbus to Baltimore are during the month of August. You can find some of the cheapest flights from Columbus to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Columbus to Baltimore

Sunday is one of the best days to book for cheap flights from Columbus to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Columbus to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Columbus to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $81 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Columbus to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Columbus to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
You can land cheap return tickets from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) starting at $114. Grab a seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and American Airlines flight leaving CMH on August 4 2025 and touching down at BWI. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from CMH to BWI?
The cheapest flights from CMH to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
When setting off from John Glenn Columbus Intl. Airport (CMH), you can hop on a direct flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Southwest Airlines.
What is the cheapest airline that flies from CMH to BWI?
Book a flight from CMH to BWI with Southwest Airlines. This airline currently has the cheapest one-way fare for this route, starting at $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMH on August 28 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
With, on average, 2 direct flights departing from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) daily, you'll be jetting off in no time.
What are the most popular departure times for flights from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The 6 AM departures from CMH to BWI are the busiest. Greater demand means you'll likely pay more for these departures. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from CMH to BWI?
If you depart on a Friday, you'll get the widest range of options for flights from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Hop on the earliest flight at around 5:50AM UTC-5, departing from John Glenn Columbus Intl. Airport (CMH). You'll be in the air for approximately 1h 25m, coming in to land at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) at approximately 7:15AM UTC-5.
How long does it take to fly from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
It takes around 1 hour and 21 minutes to travel the 340 mi from CMH to BWI.
What airline has the least delays from CMH to BWI?
Southwest Airlines has the strongest track record for on-time direct flights from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), with an on-time rating of 83%. Use the Expedia App to view your flight schedule before you take off and get real-time alerts about any changes.
What is the best time to fly from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To arrive at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) without delays, choose a flight that leaves John Glenn Columbus Intl. Airport (CMH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Baltimore from John Glenn Columbus Intl. Airport (CMH)?
John Glenn Columbus Intl. Airport (CMH) offers direct flights to Baltimore. These are a few of the airports you can fly to without detours:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Booking your ticket from CMH to BWI shortly before your getaway is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a CMH to BWI flight and hotel package?
You'll generally save money by booking a CMH to BWI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from John Glenn Columbus Intl. Airport (CMH) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Typically, you can cancel or modify your CMH to BWI flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further information, visit our Customer Service portal.

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*Available to One Key members.