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OBS to ORD: distance & flight time
Aubenas-vals-lanas (Aubenas-Ardèche Méridional Airport) → Chicago (Chicago O'Hare International Airport)
4,379 mi
7,047 km · 3,805 nm
9h 3m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OBS→ORD fares Phone-only fares on this route — call free
Flight time details
4,379 miles nonstop takes roughly 9h 3m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- OBS — Aubenas-Ardèche Méridional Airport · Aubenas-vals-lanas, France
- 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 OBS
- XOG · Orange-Caritat (BA 115) Air Base37 mi away
- VAF · Valence-Chabeuil Airport39 mi away
- MEN · Mende-Brenoux Airfield41 mi away
- LPY · Le Puy-Loudes Airport48 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 OBS from ORD?
The flight distance from Aubenas-vals-lanas (OBS) to Chicago (ORD) is 4,379 miles (7,047 km, 3,805 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OBS to ORD?
A nonstop flight takes about 9h 3m 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 Aubenas-vals-lanas and Chicago?
Chicago is 7 hours behind Aubenas-vals-lanas.
What is the cheapest way to fly from OBS to ORD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OBS–ORD that never appear on search engines, with no booking fees.