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Flights from Ontario to Dulles

Did you mean Flights from Dulles to Ontario?

Flightmap/Flights from ONT/ONT to IAD

Ontario

United States

ONT

Ontario International Airport

Dulles

United States

IAD

Washington Dulles International Airport

Route
No published route in current feed
Distance
2,237 miles

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

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Explore these airports and cities

  • Flights from ONT
  • Flights to IAD
  • Award flights to Washington DC

Ontario to Dulles route overview

Ontario International Airport (ONT) serves Ontario; Washington Dulles International Airport (IAD) serves Dulles.

The airports are 2,237 miles apart by great-circle distance.

Roame's current schedule feed does not list a published route from ONT to IAD; use the live results above to explore connections.

Frequently asked questions

Which airports serve the Ontario to Dulles route?

Ontario International Airport (ONT) is the origin airport and Washington Dulles International Airport (IAD) is the destination airport.

How far is Dulles from Ontario?

ONT and IAD are approximately 2,237 miles apart by great-circle distance.

Are there direct flights from ONT to IAD?

No published route from ONT to IAD appears in Roame's current schedule feed. Check the live results for possible connections.

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