Chicago (ORD) to Boston (BOS) is about 860 miles and typically takes 2 h 15 min by air. Airlines with hubs at both ends are the likeliest to offer nonstops; otherwise expect a connection. Call (800) 490-3234 for live fares.
ORD to BOS at a glance
| Route | Chicago (ORD) to Boston (BOS) |
|---|---|
| Distance | about 860 miles / 1,390 km |
| Typical flight time | 2 h 15 min (estimate) |
| Time difference | 1 hours ahead |
| Route type | Domestic (U.S.) |
| Airlines with hubs here | American Airlines, Delta Air Lines, United Airlines, and JetBlue Airways |
About the Chicago to Boston route
With roughly 860 miles between ORD and BOS, this route sits in the middle range where both nonstop and one-stop options can be competitive.
Flight time and distance
A typical flight takes about 2 h 15 min gate to gate, with a realistic range of 2 h to 2 h 45 min depending on wind, routing and aircraft. That is an estimate based on the distance of roughly 860 miles (1,390 km), not a published schedule.
Boston is 1 hour ahead of Chicago on standard time, so the arrival time on your ticket will look different from the flight duration.
Among the 200 routes in our guides, ORD to BOS is longer than about 26% of them.
For comparison, Chicago to Denver (ORD to DEN) is about 890 miles, so Boston is about the same distance out from ORD.
The airports
O'Hare International Airport (ORD)
O'Hare is a dual hub for United and American and one of the busiest airports in the world by flight volume, with nonstops to most major U.S. cities and a long list of international destinations. Full ORD guide.
Boston Logan International Airport (BOS)
Logan is only a few minutes by water or road from downtown Boston. Full BOS guide.
Other airports are worth a look: around Chicago, Midway (MDW); and around Boston, Providence. Comparing them can change the price or the travel time to your final destination.
Airlines on this route
No single carrier we cover has hubs at both ORD and BOS. American Airlines (at ORD), Delta Air Lines (at BOS), United Airlines (at ORD), and JetBlue Airways (at BOS) each operate a large network at one end, so many itineraries on this route connect rather than fly nonstop.
Airlines add and drop frequencies throughout the year. Our agents can check what is actually scheduled on your dates.
Common connection points
Connecting itineraries on this route often look like United Airlines via Newark (EWR), which adds about 50 miles (6% beyond the direct distance) or American Airlines via New York (JFK), which adds about 60 miles (7% beyond the direct distance). Choose the connection with the best weather odds for your travel month and leave a comfortable layover; our layover guide explains how much time is realistic.
Best time to fly
Timing matters here. At BOS, winter nor'easters and summer fog are the main causes of delays. At ORD, winter storms and summer thunderstorms are the main triggers for delays; connecting through O'Hare in January deserves extra buffer.
Ground transport
Getting to and from ORD
The CTA Blue Line runs 24 hours into downtown Chicago in about 45 minutes.
Getting to and from BOS
The MBTA Blue Line and Silver Line buses connect Logan to downtown, and a water shuttle links the terminals to the Seaport.
Booking tips
Business-heavy routes like ORD to BOS often have the most frequencies on weekday mornings and evenings. If you need flexibility, a standard fare that allows changes is often worth the difference. See Basic Economy vs Main Cabin.
Frequently asked questions
How long is the flight from Chicago to Boston?
A typical ORD to BOS flight takes about 2 h 15 min, with a likely range of 2 h to 2 h 45 min. Actual time depends on wind, routing, aircraft and whether you connect.
How far is Boston from Chicago by air?
The great-circle distance between ORD and BOS is about 860 miles (1,390 km).
Which airlines fly from Chicago to Boston?
American Airlines, Delta Air Lines, United Airlines, and JetBlue Airways have a major presence at ORD or BOS, and service varies by season. Ask us to check current nonstop and connecting options.
What is the time difference between Chicago and Boston?
Boston is 1 hour ahead of Chicago on standard time. Daylight saving time can change the gap for part of the year.
Are there other airports near Chicago?
Yes. Nearby alternatives include Midway (MDW). Comparing them can change both fare and travel time.
When is the best time to book ORD to BOS?
Domestic fares are often competitive one to three months ahead, while international trips benefit from more lead time. Compare several dates, since fares are priced flight by flight.
Explore related routes
More flights involving Chicago (ORD)
- Anchorage to ChicagoANC to ORD
- Austin to ChicagoAUS to ORD
- Chicago to AtlantaORD to ATL
- Chicago to ClevelandORD to CLE
- Chicago to DallasORD to DFW
- Chicago to DenverORD to DEN
More flights involving Boston (BOS)
- Atlanta to BostonATL to BOS
- Boston to CharlotteBOS to CLT
- Boston to DetroitBOS to DTW
- Boston to Las VegasBOS to LAS
- Boston to LondonBOS to LHR
- Boston to Los AngelesBOS to LAX
Last reviewed October 22, 2026. FlighTicketHub provides general information; confirm details with the airline before you travel.