Need help booking?
Unpublished phone-only deals available
ONO to MWA: distance & flight time
Ontario (Ontario Municipal Airport) → Marion (Williamson County Regional Airport)
1,517 mi
2,442 km · 1,318 nm
3h 26m
estimated nonstop flight time
+1h
time difference · heading east
See live ONO→MWA fares Phone-only fares on this route — call free
Flight time details
1,517 miles nonstop takes roughly 3h 26m gate to gate, flying east. 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
- ONO — Ontario Municipal Airport · Ontario, United States
- MWA — Williamson County Regional Airport · Marion, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Near MWA
- MDH · Southern Illinois Airport13 mi away
- CGI · Cape Girardeau Regional Airport48 mi away
- PAH · Barkley Regional Airport50 mi away
- SIK · Sikeston Memorial Municipal Airport66 mi away
Frequently asked questions
How far is ONO from MWA?
The flight distance from Ontario (ONO) to Marion (MWA) is 1,517 miles (2,442 km, 1,318 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to MWA?
A nonstop flight takes about 3h 26m 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 Ontario and Marion?
Marion is 1 hour ahead of Ontario.
What is the cheapest way to fly from ONO to MWA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–MWA that never appear on search engines, with no booking fees.