Need help booking?
Unpublished phone-only deals available
OKO to HEL: distance & flight time
Yokota (Yokota Air Base) → Helsinki (Helsinki Vantaa Airport)
4,838 mi
7,786 km · 4,204 nm
9h 57m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OKO→HEL fares Phone-only fares on this route — call free
Flight time details
4,838 miles nonstop takes roughly 9h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OKO — Yokota Air Base · Yokota, Japan
- HEL — Helsinki Vantaa Airport · Helsinki, Finland
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 OKO
- HND · Tokyo Haneda International Airport28 mi away
- NRT · Narita International Airport58 mi away
- NJA · Atsugi Naval Air Facility21 mi away
- IBR · Hyakuri Airport67 mi away
Near HEL
- HEM · Helsinki Malmi Airport5 mi away
- HYV · Hyvinkää Airfield23 mi away
- QLF · Lahti Vesivehmaa Airport62 mi away
- TLL · Lennart Meri Tallinn Airport63 mi away
Frequently asked questions
How far is OKO from HEL?
The flight distance from Yokota (OKO) to Helsinki (HEL) is 4,838 miles (7,786 km, 4,204 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKO to HEL?
A nonstop flight takes about 9h 57m 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 OKO to HEL?
Nonstop service on OKO–HEL 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 9h 57m nonstop estimate.
What is the time difference between Yokota and Helsinki?
Helsinki is 6 hours behind Yokota.
What is the cheapest way to fly from OKO to HEL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKO–HEL that never appear on search engines, with no booking fees.
Why are some OKO to HEL fares phone-only?
Consolidator contracts let us sell certain OKO–HEL 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.