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Cheap flights from Ontario to Washington (ONT - WAS)

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

How to find the cheapest flight from
Ontario (ONT) to Washington (WAS)

ONT - WAS
Price
$229 - $405
WAS
Temperature
48.2 - 89.6 °F
WAS
Rainfall
2.4 - 4.2 inches
Popular in June High demand for flights, 20% potential price rise
Cheapest in September Best time to find cheap flights, 30% potential price drop
Round-trip from $229 From Ontario to Washington
One-way from $144 One-way flight from Ontario to Washington
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ontario to Washington?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Ontario to Washington?

To save on the cost of your flight from Ontario to Washington, book at least 28 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $252 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $276.

What is the cheapest month to fly from Ontario to Washington?

Flights from Ontario to Washington lean towards being more expensive in December. Prices are generally better when you fly from Ontario to Washington in February, with the cheapest ticket starting at $119.

When is the cheapest time to fly from Ontario to Washington (ONT - WAS)?

It’s optimal to fly from Ontario to Washington in the afternoon. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight at noon.

Cheap flights from Ontario to Washington in September, October 2020

The best prices found for ONT to WAS flights for September, October
28 Oct - 30 Oct
$175pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
United Airlines
 
1 STOP
ONT
Ontario
7 Oct - 24 Oct
$190pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
United Airlines
 
1 STOP
ONT
Ontario
7 Oct - 23 Oct
$210pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
United Airlines
 
1 STOP
ONT
Ontario

Ontario to Washington 2020 flight deals

Cheap flights to Washington from Ontario found for this year
4 Nov - 11 Nov
$155pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
United Airlines
 
1 STOP
ONT
Ontario
28 Oct - 30 Oct
$175pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
United Airlines
 
1 STOP
ONT
Ontario
7 Oct - 24 Oct
$190pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
United Airlines
 
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
2 Oct - 7 Oct
$250pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
American Airlines
   
2 STOPS
ONT
Ontario
2 Oct - 8 Oct
$279pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Alaska Airlines
 
1 STOP
ONT
Ontario
28 Sep - 12 Oct
$309pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
     
3 STOPS
ONT
Ontario

One-way flights to Washington from Ontario

The cheapest one-way flights from Ontario to Washington
8:48 am - 7:35 pm
Delta
1 Stop
7h 47m
ONT - IAD
Delta
$144
Delta
6:18 am - 7:17 pm
Delta
1 Stop
9h 59m
ONT - IAD
Delta
$150
Delta
10:11 am - 7:17 pm
Delta
1 Stop
6h 06m
ONT - IAD
Delta
$179
Delta

Related info for your journey

Useful info, stats and facts about Ontario to Washington flights.

Flight FAQs

From Ontario to Washington

Are flight prices decreasing from Ontario to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Ontario to Washington for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Washington for under $200. The cheapest flight booked recently is on Multiple Airlines for just $155, but on average you can expect to pay $234.

Are there nonstop flights from Ontario to Washington for under $200 on Cheapflights?

There are no nonstop flights from Ontario to Washington, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Ontario to Washington for under $300?

There are currently 20+ open flights from Ontario to Washington within the next 7 days for less than $300.

Is Ontario weather warmer or cooler than Washington?

Temperatures around the 95 °F's can be experienced in July. The weather in Washington is colder than in Ontario. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Ontario to Washington?

For as low as $427, Delta can have you in Washington from Ontario in 6h 06m.

What is the cheapest airline to fly from Ontario to Washington round-trip?

Cheapflights users have booked flights from Ontario to Washington round-trip from $288. You may be able to fly from Ontario to Washington for 11% less than the average price by searching for this airline.

What are the cheapest airlines to fly from Ontario to Washington one-way?

The cheapest airline for a one-way flight from Ontario to Washington is Delta ($144).

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

Reagan National (DCA)