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IRK to FSM: distance & flight time
Kirksville (Kirksville Regional Airport) → Fort Smith (Fort Smith Regional Airport)
343 mi
553 km · 298 nm
1h 22m
estimated nonstop flight time
Same time
time difference · heading south
See live IRK→FSM fares Phone-only fares on this route — call free
Flight time details
343 miles nonstop takes roughly 1h 22m gate to gate, flying south. 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
- IRK — Kirksville Regional Airport · Kirksville, United States
- FSM — Fort Smith Regional Airport · Fort Smith, 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 IRK
- EOK · Keokuk Municipal Airport64 mi away
- OTM · Ottumwa Regional Airport70 mi away
- UIN · Quincy Regional Baldwin Field72 mi away
- BRL · Southeast Iowa Regional Airport89 mi away
Near FSM
- FYV · Drake Field47 mi away
- XNA · Northwest Arkansas Regional Airport65 mi away
- MLC · Mc Alester Regional Airport86 mi away
- OKM · Okmulgee Regional Airport92 mi away
Frequently asked questions
How far is IRK from FSM?
The flight distance from Kirksville (IRK) to Fort Smith (FSM) is 343 miles (553 km, 298 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRK to FSM?
A nonstop flight takes about 1h 22m 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 IRK to FSM?
Nonstop service on IRK–FSM 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 22m nonstop estimate.
What is the cheapest way to fly from IRK to FSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRK–FSM that never appear on search engines, with no booking fees.
Why are some IRK to FSM fares phone-only?
Consolidator contracts let us sell certain IRK–FSM 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.