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ISC to BFS: distance & flight time
ST MARY\'S (St. Mary's Airport) → Belfast (Belfast International Airport)
328 mi
528 km · 285 nm
1h 20m
estimated nonstop flight time
Same time
time difference · heading north
See live ISC→BFS fares Phone-only fares on this route — call free
Flight time details
328 miles nonstop takes roughly 1h 20m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ISC — St. Mary's Airport · ST MARY\'S, United Kingdom
- BFS — Belfast International Airport · Belfast, United Kingdom
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 ISC
- LEQ · Land's End Airport31 mi away
- PZE · Penzance Heliport37 mi away
- NQY · Newquay Cornwall Airport68 mi away
- PLH · Plymouth City Airport103 mi away
Near BFS
- BHD · George Best Belfast City Airport14 mi away
- LDY · City of Derry Airport46 mi away
- CAL · Campbeltown Airport58 mi away
- ENK · St Angelo Airport60 mi away
Frequently asked questions
How far is ISC from BFS?
The flight distance from ST MARY\'S (ISC) to Belfast (BFS) is 328 miles (528 km, 285 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISC to BFS?
A nonstop flight takes about 1h 20m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ISC to BFS?
Nonstop service on ISC–BFS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 20m nonstop estimate.
What is the cheapest way to fly from ISC to BFS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISC–BFS that never appear on search engines, with no booking fees.
Why are some ISC to BFS fares phone-only?
Consolidator contracts let us sell certain ISC–BFS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.