Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.

Cheap Flights from Washington to Ontario, CA, United States - WAS to ONT Last modified: May 31, 2016 2:03 AM

Popular flights from Washington to Ontario Last modified: May 31, 2016 2:03 AM

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.

American Airlines
Departure Date Return Date Lowest Price
Sep 21, 2016 Sep 24, 2016 $304
United Airlines
Departure Date Return Date Lowest Price
Sep 12, 2016 Sep 27, 2016 $334
Sep 13, 2016 Sep 27, 2016 $334
Sep 19, 2016 Oct 1, 2016 $334
Sep 22, 2016 Sep 25, 2016 $334
Sep 23, 2016 Oct 1, 2016 $334

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

We have collected flight cost data from across the web for travel from Washington to Ontario, and have found the average flight price for this trip to be $417.

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

Airlines can adjust prices for plane tickets from Washington to Ontario 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 Washington to Ontario

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

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$446 $436 $375 $416 $388 $468 $388

Lowest Fares Chart By Month from Washington to Ontario

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

Month Origin Destination Carrier Depart Date Return Date Stops Price
June Washington Ontario American 6/22/16 6/29/16 1 $428
July Washington Ontario United 7/4/16 7/15/16 1 $446
August Washington Ontario United 8/31/16 9/9/16 1 $365
September Washington Ontario American 9/21/16 9/24/16 1 $304
October Washington Ontario American 10/25/16 10/31/16 2 $306
November Washington Ontario United 11/17/16 11/29/16 1 $396
December Washington Ontario United 12/28/16 1/4/17 1 $456
January Washington Ontario United 1/10/17 1/19/17 1 $572
TIPSave $153 by flying into Las Vegas instead of Ontario from Washington

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

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 Washington to Ontario. 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 Washington to Ontario is $198.

The average price for round trip flights from Washington to Ontario is $423.

Washington to Ontario Flight Questions

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

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

Airlines Flying from Washington to Ontario (WAS to ONT) Number of flights searched: 199Last modified: May 31, 2016 2:03 AM

Below are the different airlines that fly from Washington to Ontario 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 Washington to Ontario.

Washington to Ontario
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 X X
Delta SLC X X X X X X X
Delta DTW / SLC X X X X X X X
United DEN X X X X X X X
Southwest LAS X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Washington and Ontario, 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 Washington - WAS

FlightsAirlineLowest Price
Washington to Los Angeles American, Alaska, JetBlue, Frontier, United, Virgin America $240
Washington to Long Beach American, Alaska, JetBlue, United $301
Washington to Las Vegas American, Alaska, JetBlue, Frontier, United, Virgin America $244
Washington to San Diego American, Alaska, JetBlue, Frontier, United, Virgin America $240

Cheap Domestic Flights to Ontario - ONT

FlightsAirlineLowest Price
Philadelphia to Ontario American, Alaska, United $376
Baltimore to Ontario American, United $304
Newark to Ontario American, United $304
Pittsburgh to Ontario American, United $278
Norfolk to Ontario American, Alaska, United $451
Richmond to Ontario American, Alaska, United $408
Roanoke to Ontario American, United $588
Newport News to Ontario American $616
Philadelphia to Los Angeles American, Alaska, JetBlue, Frontier, Spirit, United $262
Baltimore to Los Angeles American, Alaska, JetBlue, Spirit, United $237
Newark to Los Angeles American, Alaska, JetBlue, United, Virgin America $297
Pittsburgh to Los Angeles American, Alaska, Spirit, United $330
Richmond to Los Angeles American, Alaska, JetBlue, United $354
Norfolk to Los Angeles American, Alaska, United $355
Newark to Santa Ana American, Alaska, United $298
Baltimore to Santa Ana American, Alaska, United $304
Philadelphia to San Diego American, Alaska, JetBlue, Frontier, Spirit, United $262
Philadelphia to Santa Ana American, Alaska, United $322
Baltimore to San Diego American, Alaska, JetBlue, Spirit, United $384
Philadelphia to Long Beach American, Alaska, JetBlue, United $376
Baltimore to Long Beach American, United $512
Baltimore to Las Vegas American, Alaska, Spirit, United $197
Newark to Long Beach American, Alaska, JetBlue, United $349
Harrisburg to Los Angeles American, Alaska, United $430
Philadelphia to Las Vegas American, Alaska, JetBlue, Frontier, Spirit, United $177
Newark to Las Vegas American, JetBlue, Spirit, United, Virgin America $236
Cheap Flights from Washington to Ontario, CA, United States, from $304 Round trip from WAS to ONT