Dulles to Ontario (IAD–ONT) — Airlines, Schedules & Connections

IAD Airport Page →
2,237 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 19 1-stop flights Verified 2mos ago
Charter / private route. No scheduled airline service — operated by charter & private aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
LAS Las Vegas 6h 59m AZETF9 → EJAF9WN Las Vegas (LAS) to Ontario flights
PHX Phoenix 7h AVOSSN → AAWN Phoenix (PHX) to Ontario flights
ATL Atlanta 7h 2m AFAMCM → AFAMDL Atlanta (ATL) to Ontario flights
DEN Denver 7h 3m AVAZCM → ACF9UA Denver (DEN) to Ontario flights
BNA Nashville 7h 23m AVAZCM → WN Nashville (BNA) to Ontario flights
DFW Dallas-Fort Worth 7h 25m AAASAT → AABAF9 Dallas-Fort Worth (DFW) to Ontario flights
AUS Austin 7h 28m AZSNUA → WN Austin (AUS) to Ontario flights
CLT Charlotte 7h 45m AAACAT → AABA Charlotte (CLT) to Ontario flights
IAH Houston 8h 4m AVAZCA → 8CF9UA Houston (IAH) to Ontario flights
ORD Chicago 8h 8m ACAVAZ → UA Chicago (ORD) to Ontario flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Dulles to Ontario
Flown by charter / private operators — no scheduled airline service.
2,237 mi 5h 4m nonstop -3h behind

IAD–ONT has no scheduled airline service; it is flown by charter / private operators. 1-stop connecting options are also available.

Also explore Browse available seat maps IAD Routes ONT Routes IAD Live Flights ONT Live Flights IAD Delays ONT Delays
All flights from Ontario (ONT) Ontario to Dulles flights
Connections

Connection Landscape

1-stop and 2-stop options for IAD to ONT.
1-STOP
One-Stop Connections
19
Hubs
~6h
Fastest
~43h
Longest
LAS ~6h 59m PHX ~7h 0m ATL ~7h 2m DEN ~7h 3m BNA ~7h 23m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,527
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
IAD → ONT
81%
Generally reliable. Most flights run on time.
Departing
81%
Arriving
76%
Return
ONT → IAD
82%
Generally reliable. Most flights run on time.
Departing
82%
Arriving
85%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. IAD delays → ONT delays →
Alternatives

Other ways to reach Ontario from Dulles

Nearby airports with service to Ontario International Airport.
Metric IAD→ONT BWI→ONT
Distance from IAD – 45 mi
Nonstop airlines – 2
Weekly flights – –
Flight time 5h 4m 5h 15m
Departure OTP 81% –
Baltimore (BWI) to Ontario flights
Airports within 200 miles of IAD with service to Ontario International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Ontario is 3 hours behind Dulles.
IAD: EDT · ONT: PDT

When it's 6:00 PM in Dulles, it's 3:00 PM in Ontario.
Distance & Flight Time
2,237 mi / 3,600 km
Nonstop flight time is approximately 5h 4m gate to gate.
Getting to IAD

WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).

Facts

IAD–ONT Quick Facts

Key statistics for the Dulles to Ontario route.
Route details
Distance2,237 mi / 3,600 km
Flight time5h 4m
Time difference-3 hours
Airlines (nonstop)Charter / private
1-stop connectionsAvailable
Origin: IAD
Full nameWashington Dulles International Airport
IATA / ICAOIAD / KIAD
TimezoneAmerica/New_York
Passengers/yr26.0M
Elevation312 ft / 95 m
Destination: ONT
Full nameOntario International Airport
IATA / ICAOONT / KONT
TimezoneAmerica/Los_Angeles
Passengers/yr7.0M
Elevation944 ft / 288 m
FAQ

Frequently Asked Questions

Common questions about IAD to ONT flights.
Nonstop flights from Washington Dulles International Airport to Ontario International Airport take about 5h 4m gate to gate. The route covers 2,237 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Harry Reid, Phoenix Sky Harbor and Hartsfield Jackson Atlanta.
On a single ticket, yes. Your bags are checked through to ONT and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Ontario is 3 hours behind Dulles.
Nearby alternatives include BWI. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from IAD to ONT

Washington Dulles International Airport (IAD) and Ontario International Airport (ONT) are connected through multiple connecting hub airports.

IAD to ONT Flight Duration and Schedule

Nonstop flight time from IAD to ONT is about 5 hours 4 minutes gate to gate. The route covers a distance of 2,237 miles (3,600 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Harry Reid, Phoenix Sky Harbor and Hartsfield Jackson Atlanta. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Baltimore (BWI).