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Cheap Flights from Ontario to Washington, DC, United States - ONT to WAS

Popular flights from Ontario to Washington

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Alaska Airlines
Departure Date Return Date Lowest Price
Jun 3, 2016 Jun 12, 2016 $311
American Airlines
Departure Date Return Date Lowest Price
Jun 3, 2016 Jun 12, 2016 $298
United Airlines
Departure Date Return Date Lowest Price
Aug 28, 2016 Aug 31, 2016 $292

How Much Does it Cost to Fly from Ontario to Washington (ONT to WAS)?

We have collected flight cost data from across the web for travel from Ontario to Washington, and have found the average flight price for this trip to be $342.

When Can I Buy the Cheapest Flight from Ontario to Washington (ONT to WAS)?

Airlines can adjust prices for plane tickets from Ontario to Washington based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Ontario to Washington

The chart below shows up-to-date information regarding the cheapest days to fly from Ontario to Washington.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$331 $339 $322 $339 $298 $355 $412

Lowest Fares Chart By Month from Ontario to Washington

The chart below shows the lowest fare by month when flying from Ontario to Washington.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Ontario Washington United 5/17/16 5/28/16 1 $339
June Ontario Washington American 6/3/16 6/12/16 0 $298
July Ontario Washington United 7/6/16 7/13/16 1 $322
August Ontario Washington United 8/28/16 8/31/16 1 $292
September Ontario Washington American 9/24/16 9/27/16 1 $244
October Ontario Washington American 10/19/16 10/24/16 1 $249
November Ontario Washington American 11/9/16 11/13/16 1 $359
December Ontario Washington American 12/15/16 12/21/16 1 $448

TIPSave $116 by flying into Newark instead of Washington from Ontario

Round Trip vs One Way Flights from Ontario to Washington (ONT to WAS)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Ontario to Washington. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Ontario to Washington is $152.

The average price for round trip flights from Ontario to Washington is $360.

Ontario to Washington Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Ontario to Washington?
Answer: Denver, CO

Airlines Flying from Ontario to Washington (ONT to WAS)

Below are the different airlines that fly from Ontario to Washington with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Ontario to Washington.

Ontario to Washington
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Alaska SEA X X X X X
Delta SLC X X X X X X X
Delta SLC / MSP X X X X X X X
United SFO X X X X X X X
Southwest MDW X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Ontario and Washington, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Ontario - ONT

FlightsAirlineLowest Price
Ontario to Baltimore American, Alaska, United $374
Ontario to New York American, Alaska, JetBlue, United $283

Cheap Domestic Flights to Washington - WAS

FlightsAirlineLowest Price
Los Angeles to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $235
San Diego to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $278
Las Vegas to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $251
Santa Ana to Washington American, Alaska, Frontier, United $244
Burbank to Washington American, Alaska, United $314
Long Beach to Washington American, Alaska, JetBlue, Frontier, United $394
Bakersfield to Washington American, United $609
Santa Barbara to Washington American, Alaska, United $483
Palm Springs to Washington American, Alaska, JetBlue, Sun Country, United, Virgin America $398
Los Angeles to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $210
Los Angeles to Baltimore American, Alaska, JetBlue, Spirit, United $235
Las Vegas to Baltimore American, Alaska, JetBlue, Spirit, United $157
Las Vegas to New York American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $241
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $147
San Diego to Baltimore American, Alaska, JetBlue, Spirit, United $384
Los Angeles to Philadelphia American, Alaska, JetBlue, Frontier, Spirit, United $257
Los Angeles to Atlanta American, Alaska, Frontier, Spirit, United $224
San Diego to New York American, Alaska, JetBlue, Frontier, Hawaiian, Sun Country, United, Virgin America $324
Los Angeles to Newark American, Alaska, JetBlue, United, Virgin America $249
Santa Ana to Baltimore American, Alaska, United $274
Las Vegas to Philadelphia American, Alaska, JetBlue, Frontier, Spirit, United $169
Burbank to Baltimore American, United $318
Long Beach to Baltimore American, Alaska, JetBlue, United $244
Los Angeles to Boston American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $324
Los Angeles to Dallas - Ft Worth American, Alaska, Frontier, Spirit, United, Virgin America $106
Long Beach to New York American, Alaska, JetBlue, United $338
San Diego to Philadelphia American, Alaska, JetBlue, Frontier, Spirit, United $262

Cheap International Flights to Washington - WAS

FlightsAirlineLowest Price
Los Angeles to Toronto American, Air Canada, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America, WestJet, Great Lakes $360
Cheap Flights from Ontario to Washington, DC, United States, from $292 Round trip from ONT to WAS