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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 $130 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.

Cheap flights from Ontario to Washington in July, August 2020

The best prices found for ONT to WAS flights for July, August
30 Jul - 3 Aug
$222pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
3 Jul - 10 Jul
$228pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
9 Jul - 1 Sep
$254pp
ONT
Ontario
Multiple Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
American Airlines
   
2 STOPS
ONT
Ontario

Ontario to Washington 2020 flight deals

Cheap flights to Washington from Ontario found for this year
30 Jul - 3 Aug
$222pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
3 Jul - 10 Jul
$228pp
ONT
Ontario
Multiple Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
27 Aug - 31 Aug
$243pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to Washington

Late deals on round-trip flights to Washington from Ontario, departing today and this week
28 Jun - 4 Jul
$275pp
ONT
Ontario
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
ONT
Ontario
24 Jun - 29 Jun
$305pp
ONT
Ontario
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
ONT
Ontario
28 Jun - 4 Jul
$372pp
ONT
Ontario
Delta
   
2 STOPS
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Delta
 
1 STOP
ONT
Ontario

One-way flights to Washington from Ontario

The cheapest one-way flights from Ontario to Washington
12:54 pm - 12:41 pm
Multiple Airlines
1 Stop
20h 47m
ONT - BWI
Multiple Airlines
$130
Kiwi.com
2:30 am - 1:10 pm
Delta
1 Stop
7h 40m
ONT - DCA
Delta
$143
Delta
6:50 pm - 5:14 am
Delta
1 Stop
7h 24m
ONT - BWI
Delta
$148
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 $300 on Cheapflights?

Yes, there are multiple flights from Ontario to Washington for under $300. The cheapest flight booked recently is on Multiple Airlines for just $222, but on average you can expect to pay $255.

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.

How popular is this flight route?

This flight path from Ontario to Washington was viewed by 226 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline for this route?

While browsing flights check up on current rates for Southwest Airlines Co.. Southwest Airlines Co. offers the cheapest flight to Ontario to Washington. Flight availability can sometimes range however expect there to be 167 flights on average per day.

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.

Destination information for Washington

Things to know before you go. Useful info for your trip from Ontario to Washington
Average temperature for July in Washington
89.6 °F
Avg rainfall for July in Washington
4.0 ″

Airports servicing Ontario

Airports servicing Washington

Reagan National (DCA)