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ORD to BOS: distance & flight time
Chicago (Chicago O'Hare International Airport) → Boston (General Edward Lawrence Logan International Airport)
864 mi
1,391 km · 751 nm
2h 21m
estimated nonstop flight time
+1h
time difference · heading east
See live ORD→BOS fares Phone-only fares on this route — call free
Flight time details
864 miles nonstop takes roughly 2h 21m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ORD — Chicago O'Hare International Airport · Chicago, United States
- BOS — General Edward Lawrence Logan International Airport · Boston, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 mi away
Near BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
Frequently asked questions
How far is ORD from BOS?
The flight distance from Chicago (ORD) to Boston (BOS) is 864 miles (1,391 km, 751 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to BOS?
A nonstop flight takes about 2h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Chicago and Boston?
Boston is 1 hour ahead of Chicago.
What is the cheapest way to fly from ORD to BOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–BOS that never appear on search engines, with no booking fees.