Cheap flights from Ontario to Washington, D.C.
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Cheap one-way trips starting from $ 105 from Ontario ONT to Washington, D.C. WAS
Ontario InternationalBaltimore–Washington International
One-way,
From $ 105
Ontario InternationalBaltimore–Washington International
One-way,
From $ 105
Ontario InternationalWashington Dulles International
One-way,
From $ 99
Ontario InternationalRonald Reagan Washington National
One-way,
From $ 95
Ontario InternationalRonald Reagan Washington National
One-way,
From $ 95
Ontario InternationalRonald Reagan Washington National
One-way,
From $ 89
Cheap round trips starting from $ 171 from Ontario ONT to Washington, D.C. WAS
Ontario InternationalBaltimore–Washington International
Round trip, -
From $ 171
Ontario InternationalRonald Reagan Washington National
Round trip, -
From $ 160
Ontario InternationalRonald Reagan Washington National
Round trip, -
From $ 154
Ontario InternationalBaltimore–Washington International
Round trip, -
From $ 205
Ontario InternationalRonald Reagan Washington National
Round trip, -
From $ 159
Ontario InternationalWashington Dulles International
Round trip, -
From $ 193
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
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 70 | 75 | 66 | 69 | - | 49 | 27 |
Check-in for a flight from Ontario to Washington, D.C.
| Name | Carrier code | IATA Code | Passport needed during booking | Airport check-in closes | Online check-in available |
|---|---|---|---|---|---|
| WN | SWA | WN | No | Unknown | No |
| Frontier Airlines | FFT | F9 | No | Unknown | No |
| United Airlines | UAL | UA | Yes | Unknown | No |
| American Airlines | AAL | AA | Yes | Unknown | No |
| Spirit Airlines | NKS | NK | No | 10 min before flight | No |
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.?
What is Virtual Interlining and how do I use it?
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?
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative destinations
Flights from Ontario
- Flights from Ontario to Phoenix Sky Harbor International
- Flights from Ontario to Denver International
- Flights from Ontario to Tampa International
- Flights from Ontario to San Francisco International
- Flights from Ontario to George Bush Intercontinental
- Flights from Ontario to Charlotte Douglas International
- Flights from Ontario to Raleigh–Durham International
- Flights from Ontario to Sacramento International
- Flights from Ontario to St. Louis Lambert International
- Flights from Ontario to Portland International Jetport
- Flights from Ontario to Harrisburg International
Flights to Washington, D.C.
- Flights from Orlando International to Washington, D.C.
- Flights from Miami International to Washington, D.C.
- Flights from Phoenix Sky Harbor International to Washington, D.C.
- Flights from Denver International to Washington, D.C.
- Flights from Tampa International to Washington, D.C.
- Flights from Hartsfield–Jackson Atlanta International to Washington, D.C.
- Flights from Dallas/Fort Worth International to Washington, D.C.
- Flights from George Bush Intercontinental to Washington, D.C.
- Flights from San Antonio International to Washington, D.C.
- Flights from Myrtle Beach International to Washington, D.C.
- Flights from Savannah/Hilton Head International to Washington, D.C.
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