Menu

Cheap flights from Ontario to Washington (ONT - WAS)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Ontario to Washington are usually found in October or September, booked 41 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

+90.0%
+60.0%
+30.0%
Base
Price
$236 - $414
Temperature
48 - 90 °F
Rainfall
2 - 4 inches
Most popular in December High demand for flights, 14% potential price rise
Cheapest in October Best time to find cheap flights, 2% potential price drop
Average price $270 Price for this month
Cheapest price $236 From Ontario to Washington

Cheap flights from Ontario to Washington in September 2019

The best prices found for ONT to IAD flights for September
25 Sep - 1 Oct
$183pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario
28 Sep - 4 Oct
$204pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario
25 Sep - 1 Oct
$208pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario

Ontario to Washington 2019 flight deals

Cheap flights to Washington from Ontario found for this year
19 Oct - 23 Oct
$183pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario
21 Oct - 23 Oct
$183pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario
22 Oct - 23 Oct
$183pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario

Last minute flights from Ontario to Washington

Late deals on round-trip flights to Washington from Ontario, departing today and this week
23 Sep - 2 Oct
$178pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario
25 Sep - 1 Oct
$183pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario
21 Sep - 25 Sep
$193pp
ONT
Ontario
Frontier
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Frontier
 
1 STOP
ONT
Ontario

Destination information for Washington

Things to know before you go. Useful info for your trip from Ontario to Washington
Average temperature for September in Washington
82.4 °F
Avg rainfall for September in Washington
4.2 ″

Airports servicing Ontario

Airports servicing Washington

Washington Dulles Intl (IAD)
It’s likely that during this time there will be 4 inches more rain in Washington than in Ontario .
In the next ten days, Ontario will be 91°F, whereas Washington will be 82°F, that’s 9°F cooler .
There are currently no days which have direct flights between Ontario and Washington.
Which airlines fly from Ontario to Washington?
Our recent data shows 0 airline is currently operating direct flights from Ontario to Washington .
In the last month, 113 people have been searching for flights from Ontario to Washington.

Related info for your journey

Useful info, stats and facts about Ontario to Washington flights.
Flight FAQs
From Ontario to Washington
What percent of flights are delayed?
Flights on this route are not usually subject to delays
How many passenger seats are available on a flight on this route?
On average, all flights from Ontario offer a total of 76,966,601 seats to Washington per day
What is the cheapest airline for this route?
The cheapest airline for this route is Southwest Airlines Co. on average. Southwest Airlines Co. operates 167 flight per week
Related searches
Flights to Washington from Ontario