$192 Cheap United flights Cedar Rapids (CID) to Baltimore (BWI)

Landing cheap one-way United Airlines flights from CID to BWI from $192 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $212 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

For cheap United Airlines fares from Eastern Iowa Airport (CID) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the price you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Search United Airlines's earliest flights from CID to BWI by using our "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to travel from CID to BWI with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* alongside United Airlines's loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.