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KLS to MHT: distance & flight time
Kelso (Southwest Washington Regional Airport) → Manchester NH (Manchester-Boston Regional Airport)
2,500 mi
4,023 km · 2,172 nm
5h 22m
estimated nonstop flight time
+3h
time difference · heading east
See live KLS→MHT fares Phone-only fares on this route — call free
Flight time details
2,500 miles nonstop takes roughly 5h 22m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- MHT — Manchester-Boston Regional Airport · Manchester NH, 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 KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Near MHT
- BOS · General Edward Lawrence Logan International Airport45 mi away
- ASH · Boire Field11 mi away
- CON · Concord Municipal Airport19 mi away
- LWM · Lawrence Municipal Airport22 mi away
Frequently asked questions
How far is KLS from MHT?
The flight distance from Kelso (KLS) to Manchester NH (MHT) is 2,500 miles (4,023 km, 2,172 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to MHT?
A nonstop flight takes about 5h 22m 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 KLS to MHT?
Nonstop service on KLS–MHT 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 22m nonstop estimate.
What is the time difference between Kelso and Manchester NH?
Manchester NH is 3 hours ahead of Kelso.
What is the cheapest way to fly from KLS to MHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–MHT that never appear on search engines, with no booking fees.
Why are some KLS to MHT fares phone-only?
Consolidator contracts let us sell certain KLS–MHT 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.