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YDF to FSI: distance & flight time
Deer Lake (Deer Lake Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
2,299 mi
3,701 km · 1,998 nm
4h 59m
estimated nonstop flight time
-2.5h
time difference · heading west
See live YDF→FSI fares Phone-only fares on this route — call free
Flight time details
2,299 miles nonstop takes roughly 4h 59m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- YDF — Deer Lake Airport · Deer Lake, Canada
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 YDF
- YJT · Stephenville Airport70 mi away
- YQX · Gander International Airport129 mi away
- ZLT · La Tabatière Airport132 mi away
- YHR · Chevery Airport133 mi away
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is YDF from FSI?
The flight distance from Deer Lake (YDF) to Fort Sill (FSI) is 2,299 miles (3,701 km, 1,998 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YDF to FSI?
A nonstop flight takes about 4h 59m 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 YDF to FSI?
Nonstop service on YDF–FSI 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 4h 59m nonstop estimate.
What is the time difference between Deer Lake and Fort Sill?
Fort Sill is 2.5 hours behind Deer Lake.
What is the cheapest way to fly from YDF to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YDF–FSI that never appear on search engines, with no booking fees.
Why are some YDF to FSI fares phone-only?
Consolidator contracts let us sell certain YDF–FSI 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.