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BOS to ORD: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Chicago (Chicago O'Hare International Airport)
864 mi
1,391 km · 751 nm
2h 21m
estimated nonstop flight time
-1h
time difference · heading west
See live BOS→ORD fares Phone-only fares on this route — call free
Flight time details
864 miles nonstop takes roughly 2h 21m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- BOS — General Edward Lawrence Logan International Airport · Boston, United States
- ORD — Chicago O'Hare International Airport · Chicago, 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 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
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
Frequently asked questions
How far is BOS from ORD?
The flight distance from Boston (BOS) to Chicago (ORD) is 864 miles (1,391 km, 751 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to ORD?
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 Boston and Chicago?
Chicago is 1 hour behind Boston.
What is the cheapest way to fly from BOS to ORD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–ORD that never appear on search engines, with no booking fees.