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Dulles International Airport to Ontario International Airport flight

Search for flights from Washington D.C. to Los Angeles and check out affordable one-way and round-trip options.

      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        LAX 15:00
        6h
        Direct
        WAS 16:00
        Los Angeles - Washington D.C. | Wed, Oct 14 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search
      • WAS 13:00
        17h 25m
        1 stop
        LAX 14:00
        Washington D.C. - Los Angeles | Mon, Oct 12 | Normal Airline
        Search
        Search

Flight fares from Dulles International Airport to Ontario International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

About Dulles International Airport and Ontario International Airport

Learn about Dulles International Airport (IAD) and Ontario International Airport (ONT) — including location, terminals, transportation, and travel tips.

Flight distance 3,604.16km

FAQs for Dulles International Airport to Ontario International Airport Flights

  • How many daily flights are there from Dulles International Airport (IAD) to Ontario International Airport (ONT)?

    There are around 1 daily flights from Dulles International Airport (IAD) to Ontario International Airport (ONT).
  • The route from Dulles International Airport (IAD) to Ontario International Airport (ONT) is quite popular. Without considering departure times or holidays, tickets cost around US$ 471 in December, the most expensive month to book this route.
    • The distance from Los Angeles International Airport to downtown is about 19km, by taxi about 30 minutes.
    • The distance from Ontario International Airport to downtown is about 59km, by taxi about 1 hour 10 minutes.
  • United Airlines is a very popular airline operating an average of 635 flights per month.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Ontario International Airport is US$ 275. Prices may vary depending on the departure date, airline, and availability.
  • Enter Dulles International Airport and Ontario International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.