The cheapest month to fly from Chicago to Baltimore is November, with fares from €39. The most expensive period is August, when prices can reach €78+ — a difference of €39 per ticket. Booking on a Tuesday and travelling off-peak can save you significantly on the 973 km ORD–BWI sector.
Estimated seasonal guide, not live fare data: we do not yet have enough observed fares on this route to show real monthly prices. Use the live fares above for actual pricing.
| Month | From price | vs cheapest | Verdict |
|---|---|---|---|
| January | €41 | +€2 | Best value |
| February | €44 | +€5 | Best value |
| March | €49 | +€10 | Best value |
| April | €56 | +€17 | Average |
| May | €53 | +€14 | Average |
| June | €63 | +€24 | Average |
| July | €75 | +€36 | Expensive |
| August | €78 | +€39 | Expensive |
| September | €51 | +€12 | Average |
| October | €46 | +€7 | Best value |
| November | €39 | Cheapest | Best value |
| December | €61 | +€22 | Average |
On the Chicago–Baltimore route, Tuesdays are typically the cheapest day to fly, while Fridays are most expensive. Mid-week departures (Tuesday, Wednesday) save an average of 15–25% compared to weekend travel.
Top-rated tours and experiences in Baltimore, ranked by traveller rating. Prices are per person and change with date and group size.
Nightly rates in Baltimore for a sample two-night stay for two adults from 29 Sep 2026, cheapest first. Rates move with your dates — check availability for a live quote.
| Airline | Code | Role | Aircraft |
|---|---|---|---|
| United Airlines | UA | Operates | Airbus Industrie A319, Boeing 757-200, Airbus Industrie A320 |
| US | US | Codeshare | Airbus Industrie A319, Boeing 757-200, Embraer ERJ-135/140/145 Regional Jet |
| American Airlines | AA | Codeshare | Embraer ERJ-145 Regional Jet |
