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DPA to BUF: distance & flight time
West Chicago (Dupage Airport) → Buffalo (Buffalo Niagara International Airport)
490 mi
789 km · 426 nm
1h 32m
estimated nonstop flight time
+1h
time difference · heading east
See live DPA→BUF fares Phone-only fares on this route — call free
Flight time details
490 miles nonstop takes roughly 1h 32m 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
- DPA — Dupage Airport · West Chicago, United States
- BUF — Buffalo Niagara International Airport · Buffalo, 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 DPA
- ORD · Chicago O'Hare International Airport18 mi away
- LOT · Lewis University Airport22 mi away
- PWK · Chicago Executive Airport23 mi away
- MDW · Chicago Midway International Airport27 mi away
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is DPA from BUF?
The flight distance from West Chicago (DPA) to Buffalo (BUF) is 490 miles (789 km, 426 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DPA to BUF?
A nonstop flight takes about 1h 32m 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 West Chicago and Buffalo?
Buffalo is 1 hour ahead of West Chicago.
What is the cheapest way to fly from DPA to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DPA–BUF that never appear on search engines, with no booking fees.