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BDL to SIR: distance & flight time
Windsor Locks (Bradley International Airport) → Sion (Sion Airport)
3,809 mi
6,129 km · 3,310 nm
7h 56m
estimated nonstop flight time
+6h
time difference · heading northeast
See live BDL→SIR fares Phone-only fares on this route — call free
Flight time details
3,809 miles nonstop takes roughly 7h 56m 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
- BDL — Bradley International Airport · Windsor Locks, United States
- SIR — Sion Airport · Sion, Switzerland
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 BDL
- HFD · Hartford Brainard Airport14 mi away
- BAF · Westfield-Barnes Regional Airport15 mi away
- CEF · Westover ARB/Metropolitan Airport19 mi away
- OXC · Waterbury Oxford Airport39 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is BDL from SIR?
The flight distance from Windsor Locks (BDL) to Sion (SIR) is 3,809 miles (6,129 km, 3,310 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BDL to SIR?
A nonstop flight takes about 7h 56m 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 Windsor Locks and Sion?
Sion is 6 hours ahead of Windsor Locks.
What is the cheapest way to fly from BDL to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BDL–SIR that never appear on search engines, with no booking fees.