Cheap Flights from Ontario, CA to Washington D.C., DC from $373

Return flight: Washington D.C. – Ontario
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On Cheapflightsplus.com you will find 2 connecting flights from Ontario to Washington D.C.. You can compare airfare deals from 1 airlines and multiple travel sites from $373, book and save on cheap plane tickets and last minute offers. Also check out ONT-WAS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to Washington D.C. Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $373 (one-way), $640 (round-trip).
Direct flights
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Best Flights from Ontario to Washington D.C. Today

Take a look at the list of non stop flights and flights with layovers from Ontario to Washington D.C. with the lowest price of $373. Take a look at the list of flights with layovers from Ontario to Washington D.C. from $373. There’re no direct flights. The fastest connecting flight – 9h 34m.
Price Departure Arrival Flight Duration Airline Flight
from $373
Find flight
20:12
Ontario
Ontario Int.
 08:46+1 день
Washington D.C.
Ronald Reagan
 9h 34m
layover
1h 33m - San Francisco
0h 54m - Chicago
 United Airlines
UA5366
UA995
UA1400
from $374
Find flight
20:12
Ontario
Ontario Int.
 09:46+1 день
Washington D.C.
Ronald Reagan
 10h 34m
layover
1h 33m - San Francisco
1h 54m - Chicago
 United Airlines
UA5366
UA995
UA1504
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on April 29, 2024
Full flight schedule will help you in detecting at what time planes fly from Ontario to Washington D.C.. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
20:12 — 08:46
+1 day
20:12 — 21:42 UA5366 United Airlines
Ontario — San Francisco
1h 33m stop
23:15 — 05:06 UA995 United Airlines
San Francisco — Chicago
54m stop
06:00 — 08:46 UA1400 United Airlines
Chicago — Washington D.C.
9h 34m
including layover
Find flight
from$373
20:12 — 09:46
+1 day
20:12 — 21:42 UA5366 United Airlines
Ontario — San Francisco
1h 33m stop
23:15 — 05:06 UA995 United Airlines
San Francisco — Chicago
1h 54m stop
07:00 — 09:46 UA1504 United Airlines
Chicago — Washington D.C.
10h 34m
including layover
Find flight
from$374
*Departure and arrival times - local. Updated on April 29, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to Washington D.C. depends on and how to choose the most interesting flight option for you.

Distance between Ontario and Washington D.C. is 3637 miles. Time difference between the cities is 3h. Airplanes depart 20:12 to 20:12 from 2 Ontario airports and arrive 20:12 to 20:12 to 2 Washington D.C. airports. Average flight time is 10h 4m.

  • The fastest flight 9h 34m
  • Average flight time 10h 4m
  • The earliest flight 20:12
  • The latest flight 20:12
  • Distance 2260 ml

The cheapest months to travel to Washington D.C. are april (from 373 $), may (from 374 $).

What is the lowest airfare Ontario to Washington D.C.?

The cheapest plane ticket found by our users is $373. This airfare is for economy class on one-way UA5366 flight by United Airlines for April 30, 2024 which leaves Ontario Int. in Ontario at 20:12 am and arrives at Washington D.C. Ronald Reagan at 08:46.

Economy class
$373
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Business class
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First class
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Popular Airlines on the Route

The flight Ontario — Washington D.C. is served by 1 regular airline . Most of the flights on this route are operated by United Airlines - 2 departures per week at the price of from $ 373 . And the most expensive tickets are offered by United Airlines airline - from $ 374.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 2 flights with layovers on the route. The fastest connecting flight is UA5366 by United Airlines takes 9h 34m and the cheapest is UA5366 by United Airlines for $373.

See more connecting flights

Airports

You can fly from Ontario to Washington D.C. from 2 airports (Ontario Int., International Heliport).

Ontario airports

  • Ontario Int.-ONT
    from $373
    Find
  • International Heliport-JIO
    Find

Washington D.C. airports

  • Dulles International-IAD
    Find
  • Ronald Reagan-DCA
    Find

Airplanes

There are flights to Washington D.C. from Ontario by 1 airlines that use 1 aircraft brands. They range from huge modern airplanes to small-sized.

  • Bombardier CRJ
    from $373
    Find

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

All flights from Ontario | All flights to Washington D.C.

How to book a plane ticket yourself?

How to book an air ticket yourself?
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  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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