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MMH to YSJ: distance & flight time
Mammoth Lakes (Mammoth Yosemite Airport) → St. John (Saint John Airport)
2,742 mi
4,412 km · 2,382 nm
5h 51m
estimated nonstop flight time
+4h
time difference · heading northeast
See live MMH→YSJ fares Phone-only fares on this route — call free
Flight time details
2,742 miles nonstop takes roughly 5h 51m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- MMH — Mammoth Yosemite Airport · Mammoth Lakes, United States
- YSJ — Saint John Airport · St. John, 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 MMH
- BIH · Eastern Sierra Regional Airport31 mi away
- RMY · Mariposa Yosemite Airport66 mi away
- FAT · Fresno Yosemite International Airport76 mi away
- MAE · Madera Municipal Airport83 mi away
Near YSJ
- YFC · Fredericton Airport49 mi away
- YZX · CFB Greenwood53 mi away
- YDG · Digby / Annapolis Regional Airport53 mi away
- YQM · Greater Moncton International Airport80 mi away
Frequently asked questions
How far is MMH from YSJ?
The flight distance from Mammoth Lakes (MMH) to St. John (YSJ) is 2,742 miles (4,412 km, 2,382 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MMH to YSJ?
A nonstop flight takes about 5h 51m 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 MMH to YSJ?
Nonstop service on MMH–YSJ 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 5h 51m nonstop estimate.
What is the time difference between Mammoth Lakes and St. John?
St. John is 4 hours ahead of Mammoth Lakes.
What is the cheapest way to fly from MMH to YSJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MMH–YSJ that never appear on search engines, with no booking fees.
Why are some MMH to YSJ fares phone-only?
Consolidator contracts let us sell certain MMH–YSJ 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.