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CMI to SJU: distance & flight time
Champaign (University of Illinois Willard Airport) → San Juan (Luis Munoz Marin International Airport)
1,996 mi
3,212 km · 1,734 nm
4h 23m
estimated nonstop flight time
+1h
time difference · heading southeast
See live CMI→SJU fares Phone-only fares on this route — call free
Flight time details
1,996 miles nonstop takes roughly 4h 23m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- CMI — University of Illinois Willard Airport · Champaign, United States
- SJU — Luis Munoz Marin International Airport · San Juan, Puerto Rico
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 CMI
Near SJU
- SIG · Fernando Luis Ribas Dominicci Airport6 mi away
- FAJ · Diego Jimenez Torres Airport24 mi away
- NRR · José Aponte de la Torre Airport27 mi away
- VQS · Vieques Airport44 mi away
Frequently asked questions
How far is CMI from SJU?
The flight distance from Champaign (CMI) to San Juan (SJU) is 1,996 miles (3,212 km, 1,734 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to SJU?
A nonstop flight takes about 4h 23m 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 Champaign and San Juan?
San Juan is 1 hour ahead of Champaign.
What is the cheapest way to fly from CMI to SJU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–SJU that never appear on search engines, with no booking fees.