Need help booking?
Unpublished phone-only deals available
PSM to CTM: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Chetumal (Chetumal International Airport)
1,981 mi
3,188 km · 1,722 nm
4h 21m
estimated nonstop flight time
-1h
time difference · heading southwest
See live PSM→CTM fares Phone-only fares on this route — call free
Flight time details
1,981 miles nonstop takes roughly 4h 21m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- CTM — Chetumal International Airport · Chetumal, Mexico
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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Near CTM
- SPR · San Pedro Airport47 mi away
- BZE · Philip S. W. Goldson International Airport67 mi away
- CZA · Chichen Itza International Airport148 mi away
- FRS · Mundo Maya International Airport150 mi away
Frequently asked questions
How far is PSM from CTM?
The flight distance from Portsmouth (PSM) to Chetumal (CTM) is 1,981 miles (3,188 km, 1,722 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to CTM?
A nonstop flight takes about 4h 21m 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 Portsmouth and Chetumal?
Chetumal is 1 hour behind Portsmouth.
What is the cheapest way to fly from PSM to CTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–CTM that never appear on search engines, with no booking fees.