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YSU to YDF: distance & flight time
Summerside (Summerside Airport) → Deer Lake (Deer Lake Airport)
355 mi
571 km · 308 nm
1h 24m
estimated nonstop flight time
+0.5h
time difference · heading northeast
See live YSU→YDF fares Phone-only fares on this route — call free
Flight time details
355 miles nonstop takes roughly 1h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.5-hour time gain when reading arrival times on your ticket.
The two airports
- YSU — Summerside Airport · Summerside, Canada
- YDF — Deer Lake Airport · Deer Lake, Canada
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 YSU
- YYG · Charlottetown Airport36 mi away
- YQM · Greater Moncton International Airport46 mi away
- YCH · Miramichi Airport86 mi away
- YHZ · Halifax / Stanfield International Airport109 mi away
Near YDF
- YJT · Stephenville Airport70 mi away
- YQX · Gander International Airport129 mi away
- ZLT · La Tabatière Airport132 mi away
- YHR · Chevery Airport133 mi away
Frequently asked questions
How far is YSU from YDF?
The flight distance from Summerside (YSU) to Deer Lake (YDF) is 355 miles (571 km, 308 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSU to YDF?
A nonstop flight takes about 1h 24m 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 YSU to YDF?
Nonstop service on YSU–YDF 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 24m nonstop estimate.
What is the time difference between Summerside and Deer Lake?
Deer Lake is 0.5 hours ahead of Summerside.
What is the cheapest way to fly from YSU to YDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSU–YDF that never appear on search engines, with no booking fees.
Why are some YSU to YDF fares phone-only?
Consolidator contracts let us sell certain YSU–YDF 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.