Need help booking?
Unpublished phone-only deals available
PRH to RML: distance & flight time
Phrae (Phrae Airport) → Colombo (Colombo Ratmalana Airport)
1,573 mi
2,531 km · 1,367 nm
3h 33m
estimated nonstop flight time
-1.5h
time difference · heading southwest
See live PRH→RML fares Phone-only fares on this route — call free
Flight time details
1,573 miles nonstop takes roughly 3h 33m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time set-back when reading arrival times on your ticket.
The two airports
- PRH — Phrae Airport · Phrae, Thailand
- RML — Colombo Ratmalana Airport · Colombo, Sri Lanka
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 PRH
- LPT · Lampang Airport44 mi away
- NNT · Nan Airport62 mi away
- THS · Sukhothai Airport66 mi away
- CNX · Chiang Mai International Airport90 mi away
Near RML
- CMB · Bandaranaike International Colombo Airport25 mi away
- KCT · Koggala Airport65 mi away
- HRI · Mattala Rajapaksa International Airport93 mi away
- GIU · Sigiriya Air Force Base97 mi away
Frequently asked questions
How far is PRH from RML?
The flight distance from Phrae (PRH) to Colombo (RML) is 1,573 miles (2,531 km, 1,367 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRH to RML?
A nonstop flight takes about 3h 33m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Phrae and Colombo?
Colombo is 1.5 hours behind Phrae.
What is the cheapest way to fly from PRH to RML?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRH–RML that never appear on search engines, with no booking fees.