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ORD to AVR: distance & flight time
Chicago (Chicago O'Hare International Airport) → Alverca (Alverca Air Base)
4,000 mi
6,437 km · 3,476 nm
8h 19m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ORD→AVR fares Phone-only fares on this route — call free
Flight time details
4,000 miles nonstop takes roughly 8h 19m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ORD — Chicago O'Hare International Airport · Chicago, United States
- AVR — Alverca Air Base · Alverca, Portugal
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 AVR
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)9 mi away
- CAT · Cascais Airport21 mi away
- QLR · Monte Real Air Base66 mi away
- BYJ · Beja Airport / Airbase81 mi away
Frequently asked questions
How far is ORD from AVR?
The flight distance from Chicago (ORD) to Alverca (AVR) is 4,000 miles (6,437 km, 3,476 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to AVR?
A nonstop flight takes about 8h 19m 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 Alverca?
Alverca is 6 hours ahead of Chicago.
What is the cheapest way to fly from ORD to AVR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–AVR that never appear on search engines, with no booking fees.