Cheap flights from Ontario to Washington, D.C.

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Travelers usually depart from Ontario International, Montclair (Ontario), Ontario Bus Stop, or Ontario, CA station when they travel from Ontario to Washington, D.C.. Book your trip to arrive at Baltimore–Washington International, Washington Dulles International, Ronald Reagan Washington National, Washington, DC - Union Station, or Washington, DC - Rosslyn. The most popular airlines for this route are WN, Frontier Airlines, United Airlines, American Airlines, and Spirit Airlines. Ontario and Washington, D.C. have 356 direct flights per week. When you arrive at Washington, D.C., consider visiting Independence National Historical Park, PA, USA, National Mall, and Lincoln Memorial.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights70756669-4927

Check-in for a flight from Ontario to Washington, D.C.

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
WNSWAWNNoUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
Spirit AirlinesNKSNKNo10 min before flightNo

Frequently asked questions

What are the most popular routes to and from Ontario?

Travelers frequently search for route combinations, such as Ontario and Phoenix Sky Harbor International, Denver International, Tampa International, San Francisco International, George Bush Intercontinental, Charlotte Douglas International, Raleigh–Durham International, Sacramento International, St. Louis Lambert International, Portland International Jetport, Harrisburg International.

What are the most popular routes to and from Washington, D.C.?

Travelers frequently search for route combinations, such as Washington, D.C. and Orlando International, Miami International, Phoenix Sky Harbor International, Denver International, Tampa International, Hartsfield–Jackson Atlanta International, Dallas/Fort Worth International, George Bush Intercontinental, San Antonio International, Myrtle Beach International, Savannah/Hilton Head International.

What airports are near Ontario?

The main airport in Ontario is Ontario International. It is also served by Los Angeles International, San Diego International, Tijuana International, Ontario International, John Wayne, Palm Springs International, Hollywood Burbank, Long Beach, Meadows Field, Imperial County.

What airports are near Washington, D.C.?

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Trenton–Mercer, Harrisburg International, Atlantic City International, Lehigh Valley International, Lancaster, Altoona–Blair County, Charlottesville–Albemarle.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Ontario and Washington, D.C.?

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Which airlines fly between Ontario and Washington, D.C.?

When's the best time to travel between Ontario and Washington, D.C.?

What flights operate between Ontario and Washington, D.C.?

How many airports are there near Ontario?

How many airports are there near Washington, D.C.?

What time do nonstop (direct) flights between Ontario and Washington, D.C. depart?

What time do nonstop (direct) flights between Ontario and Washington, D.C. arrive?

What time do flights between Ontario and Washington, D.C. depart?

What time do flights between Ontario and Washington, D.C. arrive?

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