Cheap Flights from Washington (IAD) to Baltimore (BWI)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Airport (BWI)

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Snag a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The cheapest month to fly from IAD to BWI is , when demand is low. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from IAD to BWI. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You'll need to hop on a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from IAD to BWI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**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 Washington Dulles Intl. Airport (IAD)?
Lancaster Airport (LNS) is the only airport in Baltimore with direct flights from Washington Dulles Intl. Airport (IAD). Consider your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Last-minute bookings from IAD to BWI are usually more expensive. To secure the lowest prices, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book an IAD to BWI flight and hotel package?
Securing an IAD to BWI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you booked your IAD to BWI flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

0
Origin airport
Washington Dulles Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Distance
44 mi

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Washington to Baltimore Flights

The cheapest times to fly from Washington 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 Washington to Baltimore are during the month of . You can find some of the cheapest flights from Washington to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Baltimore

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Washington 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 Washington 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.

 

Washington to Baltimore Flights

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*Available to One Key members.