Direct flights from Denver to Ontario (DEN → ONT)

Distance 1,315 km (817 mi)
Est. duration 1h 33m
DEN
Denver
Denver International, USA
ONT
Ontario
Ontario International Airport, USA
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Live fares · DEN → ONT

Available flights

Southwest AirlinesNon-stop
from$144
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Frequently asked questions

How far is the flight from Denver to Ontario? The flight distance from DEN to ONT is approximately 1,315 km (817 miles).
How long is the flight from DEN to ONT? The estimated flight time from Denver to Ontario is approximately 1h 33m.
What airlines fly from DEN to ONT? Airlines operating direct flights from Denver to Ontario include: F9, UA, WN.

Cheapest fares Denver → Ontario

Denver DEN
Ontario ONT
May from $125 June — July — August from $76 September — October —

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Denver → Ontario.

Cheap flights from Denver to Ontario Cheapest month to fly to Ontario Flights from USA Flights to USA Visa-free with USA passport All airports in USA F9 routes & destinations All routes by this carrier UA routes & destinations All routes by this carrier WN routes & destinations All routes by this carrier

Try a nearby airport to Denver

Flights to Ontario (ONT) from other airports within 350 km of Denver. Often unlocks cheaper fares or better times.

COS → ONT 116 km from DEN Colorado Springs → Ontario USA · 17 destinations EGE → ONT 193 km from DEN Vail → Ontario USA · 16 destinations ASE → ONT 201 km from DEN Aspen → Ontario USA · 13 destinations HDN → ONT 228 km from DEN Hayden → Ontario USA · 13 destinations MTJ → ONT 315 km from DEN Montrose → Ontario USA · 9 destinations

Or try a nearby airport to Ontario

Flights from Denver (DEN) to other airports within 350 km of Ontario.

DEN → SNA 48 km from ONT Denver → Santa Ana USA · 48 destinations DEN → LGB 57 km from ONT Denver → Long Beach USA · 18 destinations DEN → BUR 71 km from ONT Denver → Burbank USA · 31 destinations DEN → LAX 75 km from ONT Denver → Los Angeles USA · 181 destinations DEN → VNY 84 km from ONT Denver → Los Angeles USA · 9 destinations

Other flights from Denver (DEN)

Abilene (ABI) Alamosa (ALS) Albany (ALB) Albuquerque (ABQ) Allentown (ABE) Alliance (AIA) Amarillo (AMA) Anchorage (ANC) All 235 destinations →

Other flights from Ontario (ONT)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boise (BOI) Charlotte (CLT) Chicago (MDW) Chicago (ORD) Dallas (DAL) All 31 destinations →