ONT to IAD (Ontario to Washington) Flights

Last Minute Flights from ONT to IAD

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTChantillyMay 3 to May 11$437
*Prices include taxes and fees

Cheapest ONT to IAD Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTChantillyMay 24 to May 31$208
ONTChantillyJuly 28 to August 6$292
ONTChantillySeptember 5 to September 9$326
ONTChantillyAugust 22 to August 26$327
*Prices include taxes and fees
ONT to IAD Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
Washington Dulles Intl.
Destination airport IATA code
IAD
Distance
2236 mi

Frequently asked questions

What airlines fly direct from Ontario Airport to Washington Dulles Intl. Airport (IAD)?
At the moment there are no airlines that fly straight from Los Angeles - Ontario Intl. Airport (ONT) to Dulles Intl. Airport. Spread out your journey with one or two stops to get to Chantilly.
How many flights are there from ONT to IAD?
About 22 services are scheduled per day between Ontario, CA (ONT-Los Angeles - Ontario Intl.) and Washington, DC (IAD-Washington Dulles Intl.). Buckle up because your plane to Chantilly is ready to leave.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
It takes some 6 hours and 42 minutes to journey from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.). That’s a nice amount of time to begin your travel journal, do a bit of last-minute trip planning or read up about the wonderful things you can see and do in Chantilly.
What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Around 2,200 miles (3,600 1) separates Ontario and Chantilly, making it a medium-haul flight. No fleeting trip yet no high-flying marathon, pack your carry-on accordingly to help make your flight an enjoyable one.
How many morning flights are there from ONT to IAD?
Early risers — you’ll be glad to hear that there are 80 morning flights from ONT to IAD each week.

  • You can set off at 5:45AM if you book with Delta Air Lines (DL). It operates 26 weekly flights from ONT to IAD.
  • 5:15AM is the earliest time you can jet from ONT to IAD with United Airlines (UA). This airline has 21 early flights per week.
  • You’ll have 19 morning flights to select from if you travel with American Airlines (AA). 6:00AM is the earliest available.

How many afternoon flights are there from ONT to IAD?
Select from one of the 74 afternoon and evening flights from ONT to IAD each week and say no to early morning starts.

  • Delta Air Lines (DL) operates 31 weekly flights departing after midday. The first one leaves the gate at 12:35PM.
  • Another good option is American Airlines (AA). Find a seat on one of its 23 weekly afternoon and evening flights that travel to IAD from 12:50PM.

What is the earliest departure time out of Ontario to Chantilly?
The earliest flight leaves ONT at 5:15AM and arrives at IAD at 3:21AM. Don’t forget to allow yourself enough time in the morning to make it to the airport.
What is the latest departure time out of Ontario to Chantilly?
The latest flight leaves the runway at ONT at 11:59PM and arrives at IAD at 10:37PM. You’ll have adequate time to prepare for this trip.
What is the average price from Ontario to Chantilly?
Round-trip fares between ONT and IAD begin from around $208. When you’re ready to take to the skies, we’ll help you walk away with the best deal in town. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Ontario to Washington Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Ontario to Washington to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from ONT to IAD, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Ontario to Washington, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.