Need help booking?
Unpublished phone-only deals available
LDY to NZY: distance & flight time
Londonderry (City of Derry Airport) → San Diego (North Island Naval Air Station-Halsey Field)
5,106 mi
8,217 km · 4,437 nm
10h 29m
estimated nonstop flight time
-7h
time difference · heading northwest
See live LDY→NZY fares Phone-only fares on this route — call free
Flight time details
5,106 miles nonstop takes roughly 10h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- LDY — City of Derry Airport · Londonderry, United Kingdom
- NZY — North Island Naval Air Station-Halsey Field · San Diego, 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 LDY
- BFS · Belfast International Airport46 mi away
- CFN · Donegal Airport47 mi away
- ENK · St Angelo Airport49 mi away
- ILY · Islay Airport57 mi away
Near NZY
- SAN · San Diego International Airport3 mi away
- NKX · Miramar Marine Corps Air Station - Mitscher Field12 mi away
- SDM · Brown Field Municipal Airport16 mi away
- SEE · Gillespie Field17 mi away
Frequently asked questions
How far is LDY from NZY?
The flight distance from Londonderry (LDY) to San Diego (NZY) is 5,106 miles (8,217 km, 4,437 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LDY to NZY?
A nonstop flight takes about 10h 29m 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 LDY to NZY?
Nonstop service on LDY–NZY 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 10h 29m nonstop estimate.
What is the time difference between Londonderry and San Diego?
San Diego is 7 hours behind Londonderry.
What is the cheapest way to fly from LDY to NZY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LDY–NZY that never appear on search engines, with no booking fees.
Why are some LDY to NZY fares phone-only?
Consolidator contracts let us sell certain LDY–NZY 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.