Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Washington Dulles Intl. Airport (IAD)
American AirlinesAmerican Airlines
Southwest AirlinesSouthwest Airlines
DeltaDelta
UnitedUnited
Alaska AirlinesAlaska Airlines
Hawaiian AirlinesHawaiian Airlines
Frontier AirlinesFrontier Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 40% on select hotels after you book a flight*
Cheap Flights from Ontario to Washington (ONT-IAD)
Prices were available within the past 7 days and start at ￥24,910 for one-way flights and ￥54,220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Ontario (ONT) to Washington (IAD)
September is typically the cheapest month to fly
Origin airport | Los Angeles - Ontario Intl. |
|---|---|
Destination airport | Washington Dulles Intl. |
Airlines serving | American Airlines, Delta, United |
Roundtrip price | ￥54,220 |
Distance | 3578 km |
Ontario to Washington Flights
Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Ontario to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.
Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ONT to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Ontario for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAD with hotels and car rentals to score even bigger savings.
All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.
Explore a world of travel with Expedia
- Trending Routes
- Trending Flights
- Top Flights Destinations
- Airlines Operating
- Nearby Airports
- Flights From Other Airports
Top Routes from Ontario
- Ontario to New York (ONT - LGA)
- Ontario to Honolulu (ONT - HNL)
- Ontario to Boston (ONT - BOS)
- Ontario to Taipei (ONT - TPE)
- Ontario to Seattle (ONT - SEA)
- Ontario to New York (ONT - JFK)
- Ontario to Tokyo (ONT - NRT)
- Ontario to Orlando (ONT - MCO)
- Ontario to Osaka (ONT - KIX)
- Ontario to San Francisco (ONT - SFO)
Top Routes to Washington
- Chicago to Washington (ORD - IAD)
- Newark Liberty Intl. Airport to Washington (EWR - IAD)
- Osaka to Washington (ITM - IAD)
- Sapporo to Washington (CTS - IAD)
- Naha to Washington (OKA - IAD)
- Honolulu to Washington (HNL - IAD)
- Tokyo to Washington (NRT - IAD)
- Vancouver to Washington (YVR - IAD)
- Seoul to Washington (ICN - IAD)
- Nagoya to Washington (NGO - IAD)
- London to Washington (LHR - IAD)
- Orlando to Washington (MCO - IAD)
Top Routes from Ontario
Top Routes to Washington
Top Flight Destinations
- Flights to New York
- Flights to Las Vegas
- Flights to Orlando
- Flights to Chicago
- Flights to Los Angeles
- Flights to Miami
- Flights to San Francisco
- Flights to San Diego
- Flights to Houston
- Flights to Pigeon Forge
- Flights to Gatlinburg
- Flights to San Antonio
- Flights to Nashville
- Flights to Atlanta
- Flights to Boston
- Flights to Austin
- Flights to Key West
- Flights to Fort Lauderdale
- Flights to Honolulu
- Flights to New Orleans