Need help booking?
Unpublished phone-only deals available
CNX to PHL: distance & flight time
Chiang Mai (Chiang Mai International Airport) → Philadelphia (Philadelphia International Airport)
8,368 mi
13,467 km · 7,272 nm
16h 52m
estimated nonstop flight time
-11h
time difference · heading north
See live CNX→PHL fares Phone-only fares on this route — call free
Flight time details
8,368 miles nonstop takes roughly 16h 52m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
- PHL — Philadelphia International Airport · Philadelphia, 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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Near PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Frequently asked questions
How far is CNX from PHL?
The flight distance from Chiang Mai (CNX) to Philadelphia (PHL) is 8,368 miles (13,467 km, 7,272 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNX to PHL?
A nonstop flight takes about 16h 52m 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 Chiang Mai and Philadelphia?
Philadelphia is 11 hours behind Chiang Mai.
What is the cheapest way to fly from CNX to PHL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNX–PHL that never appear on search engines, with no booking fees.