Economy Roundtrip to Chicago Ord (BWI-ORD) in Sep from Washington D C Bwi

Departure Tips

Book 3–8 weeks in advance for the best September fares and consider midweek departures for lower prices.
Allow an extra 30–45 minutes at Baltimore/Washington International Thurgood Marshall Airport (BWI) during mornings and holiday weekends due to increased security lines.
Track weather forecasts for Chicago; September can be variable—pack a light jacket and layers for cooler evenings.
If looking for cheap flights, set fare alerts for Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD) and be flexible with dates around the first two weeks of September.

Departing from Washington, D.C. (BWI) FAQs

For a domestic flight from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD), arrive at least 90 minutes before departure during off-peak times and 2 hours during peak morning/evening periods. September can be busier with end-of-summer travel and sports events, so allow extra buffer for security lines and parking. Use online check-in and TSA PreCheck to speed up your airport experience.

Yes, multiple carriers operate nonstop flights between Baltimore/Washington International Thurgood Marshall Airport (BWI) and O'Hare International Airport (ORD) in September, with higher frequency on weekdays and Sundays. Airlines such as Southwest, United, American and Delta typically offer direct options; schedule frequency can increase early in the month for business travel. Check carrier schedules and book early to secure the best fares for September travel.

Options to get to Baltimore/Washington International Thurgood Marshall Airport (BWI) include driving and long-term parking, the BWI Airport MARC/Amtrak station, airport shuttle services, and ride-hailing apps like Uber or Lyft. If you’re traveling from Washington, D.C., the MARC Penn Line or Amtrak is often the fastest public transit option. Book parking in advance in September to avoid sold-out lots during peak weekend travel.

September typically brings mild weather in Baltimore and can see early fall storms; Chicago may experience windy or rainy days in late September. While major weather disruptions are uncommon, thunderstorms or leftover tropical remnants can cause delays or cancellations. Monitor airline alerts and airport advisories ahead of travel; booking refundable or flexible fares provides extra protection.

Baltimore/Washington International Thurgood Marshall Airport (BWI) offers lounges, restaurants, retail shops, charging stations, and business facilities across terminals, making it easy to relax before a flight to O'Hare International Airport (ORD). In September, many concessionaires run seasonal menus and promotions. Consider arriving early to enjoy dining and lounge access, especially if you have a later departure.

Early September (after Labor Day) can be an excellent time to find lower fares from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD) due to reduced family travel. Prices may rise around weekends, major events, and late-September festivals in Chicago, so book mid-week departures and compare nearby dates for savings. Use fare alerts and flexible date search tools to capture deals.

Arrival Tips

Allow an extra 20–40 minutes for baggage claim at O'Hare International Airport (ORD) on festival weekends in September.
Use the CTA Blue Line to reach downtown Chicago quickly and cheaply; it runs 24/7 with frequent service during the day.
If heading to suburbs like Naperville, check Metra schedules and plan for a downtown transfer during peak hours.
Have a backup plan for ground transport on busy weekends: book ride-shares early or use pre-arranged shuttle services.

Arriving at Chicago (ORD) FAQs

A nonstop flight from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD) usually takes about 1 hour 45 minutes to 2 hours, depending on winds and routing. Remember there is a one-hour time difference: Baltimore/Washington International Thurgood Marshall Airport (BWI) operates on Eastern Time and O'Hare International Airport (ORD) on Central Time, so local arrival times will be earlier by one hour. Check real-time flight tracking for exact en route times on your travel day.

From O'Hare International Airport (ORD) you can reach downtown Chicago via the CTA Blue Line 'L' train, which runs frequently and is the most cost-effective option. Taxis, ride-hailing services, and airport shuttles provide direct service to Evanston, Naperville, Schaumburg and other suburbs; Metra commuter rail is convenient for Naperville with connections from downtown. Consider pre-booking an airport shuttle or checking CTA service schedules in September for any planned maintenance.

Yes, early September brings Labor Day and occasional music/festival weekends (including the Chicago Jazz Festival around Labor Day), which can increase airport traffic at O'Hare International Airport (ORD) and local ground transportation demand. Expect busier terminals and fuller ride-share queues on festival weekends; allow extra time for baggage claim and transfers. If traveling during festival dates, consider arriving into O'Hare earlier in the day or taking public transit to avoid congestion.

Upon arrival at O'Hare International Airport (ORD), follow signs to baggage claim; most domestic flights deliver bags to labeled carousels in the arrivals level. ORD has consolidated rental car shuttles and clearly marked ground transportation zones for pickups. In September, some airlines may experience heavier volumes; track your checked bag via the airline app and head to the airline’s service desk if there are issues.

Late September in Chicago can bring cooler temperatures, occasional rain, and gusty winds; while major snow is unlikely, high winds or storms can delay arrivals at O'Hare International Airport (ORD). Pack layers and a compact umbrella and monitor flight status the morning of travel. Allow for extra travel time from ORD to suburbs like Evanston or Naperville during stormy conditions.

O'Hare International Airport (ORD) offers multiple airline and independent lounges, hotels, and efficient transit options including the CTA Blue Line, express airport shuttles, and rental car facilities. For quick onward travel to Evanston, Naperville, Schaumburg, or Milwaukee, prebook transfers or use the CTA/Metra interfaces to plan the fastest route. In September, lounge access can be a good way to refresh after arrival and before continuing to regional destinations.

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Chicago Events & Festivals in September — Travel Impact for ORD Arrivals

Best Time to Fly BWI to ORD — September Travel Timing

Direct vs Connecting Flights: Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD)

Pros & Cons of Connections

Choose a nonstop from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD) if you value convenience; compare connecting options only if you need significant savings.

Airline Comparison: Best Carriers for BWI to ORD in September

Compare current September prices, baggage fees, and schedules from Southwest, United, American, and Delta for the BWI→ORD route to find the best match for your priorities.

Seasonal Travel Tips for BWI to ORD in September — Packing & Weather Advice

Flight Time & Schedules: Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD)

Cheap Flights BWI to ORD in September — Deals & Booking Tips

September often offers discounted fares from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD), especially in the week after Labor Day. Typical one-way economy fares range from $70 to $200 depending on purchase timing, carrier, and how many seat sales are active.

Strategies

Book 3–8 weeks before your September departure for the best balance of availability and price.
Use flexible date search +/- three days to discover lower-cost travel windows.
Set fare alerts for Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD) and watch for flash sales from Southwest and United.
Consider alternate airports for departure (Baltimore/Washington area) or arrival (Chicago Midway) to expand savings.

Search and compare cheap flights from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD) for September — activate price alerts and book refundable fares if your dates may change.

Other Options for This Route

Other Destinations

Flights from Other Cities

✈️ Flight Guide: Washington, D.C. (BWI) → Chicago (ORD)

Complete travel information for your September journey

Departure Tips

Departing from Washington, D.C. (BWI) FAQs

How early should I arrive at Baltimore/Washington International Thurgood Marshall Airport (BWI) for a domestic flight to O'Hare International Airport (ORD)?

Are there nonstop flights from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD) in September?

What is the best way to get to Baltimore/Washington International Thurgood Marshall Airport (BWI) before a flight to Chicago?

How do weather patterns in September affect flights from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD)?

Are there airport amenities at Baltimore/Washington International Thurgood Marshall Airport (BWI) to use before a flight to O'Hare International Airport (ORD)?

Is September a good time to find cheap flights from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD)?

Arrival Tips

Arriving at Chicago (ORD) FAQs

What is the typical flight time from Baltimore/Washington International Thurgood Marshall Airport (BWI) to O'Hare International Airport (ORD)?

How do I get from O'Hare International Airport (ORD) to downtown Chicago or nearby cities like Evanston and Naperville?

Are there seasonal events in Chicago in September that affect arrival traffic at O'Hare International Airport (ORD)?

What baggage and arrival procedures should I expect at O'Hare International Airport (ORD) for domestic flights from Baltimore/Washington International Thurgood Marshall Airport (BWI)?

Is O'Hare International Airport (ORD) affected by Chicago weather in late September and how should I prepare?

Are there lounges and transit options at O'Hare International Airport (ORD) to quickly continue to nearby destinations after arrival from BWI?