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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 August, booked 32 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 - $460
WAS
Temperature
48.2 - 89.6 °F
WAS
Rainfall
2.4 - 4.2 inches

Popular in

May

High demand for flights, 26% potential price rise

Cheapest in

September

Best time to find cheap flights, 33% potential price drop

Round-trip from

$229

From Ontario to Washington

One-way from

$113

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 31 days before your planned departure. Booking around this time can save you about 111% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $235 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $341.

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

Flights from Ontario to Washington lean towards being more expensive in September. Prices are generally better when you fly from Ontario to Washington in April, with the cheapest ticket starting at $113.

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 December, January 2021

The best prices found for ONT to WAS flights for December, January
21 Jan - 25 Jan
$54pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
14 Jan - 18 Jan
$73pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
17 Dec - 20 Dec
$85pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario

Ontario to Washington 2021 flight deals

Cheap flights to Washington from Ontario found for this year
17 Dec - 20 Dec
$85pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
12 Dec - 8 Jan
$103pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
23 Dec - 30 Dec
$108pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
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
10 Dec - 13 Dec
$148pp
ONT
Ontario
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
ONT
Ontario
10 Dec - 17 Dec
$155pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
11 Dec - 13 Dec
$164pp
ONT
Ontario
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario

One-way flights to Washington from Ontario

The cheapest one-way flights from Ontario to Washington
7:22 am - 11:58 am
Frontier
1 Stop
25h 36m
ONT - DCA
Frontier
$113
KAYAK
1:20 am - 6:28 pm
American Airlines
2 Stops
14h 08m
ONT - DCA
American Airlines
12:30 am - 10:18 am
United Airlines
1 Stop
6h 48m
ONT - BWI
United Airlines
$149
United

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.

What safety measures are being taken by airlines flying from Ontario to Washington to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines, JetBlue, and Delta are some of the many airlines that have done so. New policies for travelers booking flights from Ontario to Washington include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Ontario to Washington have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to Washington that may be offering flexible cancellation policies are American Airlines, Frontier, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Ontario to Washington for under $100 on Cheapflights?

Yes, there are multiple flights from Ontario to Washington for under $100. The cheapest flight booked recently is on Frontier for just $54, but on average you can expect to pay $125.

Are there nonstop flights from Ontario to Washington for under $100 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 $200?

There are currently 20+ open flights from Ontario to Washington within the next 7 days for less than $200.

What days are nonstop flights available from Ontario to Washington?

Nonstop flights are available for this route on the following days: Saturday.

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?

A quick flight from Ontario to Washington can take about 6h 21m. United Airlines provides one of the quickest options available for as low as $318. This flight may include one or multiple stops.

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

Currently priced at $54, Frontier will fly you from Ontario to Washington and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Users have found that Frontier is 84% cheaper than the other options available to this destination.

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

One-way options have recently been found by users for as low as $40 on Frontier. Other airlines that offer cheap prices include Delta from $117 and United Airlines from $117 one-way.

Destination information for Washington

Things to know before you go. Useful info for your trip from Ontario to Washington
Average temperature for December in Washington
50.0 °F
Avg rainfall for December in Washington
3.1 ″

Airports servicing Ontario

Airports servicing Washington

Reagan National (DCA)

Top 7 airlines from Ontario to Washington

The chart below displays the airlines Cheapflights users traveling from Ontario to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$103 $243 No cancel fee 62%
Spirit Airlines
$169 $304 No cancel fee 65%
Alaska Airlines
$112 $309 No cancel fee 75%
United Airlines
$122 $377 No cancel fee 69%
JetBlue
$162 $385 No cancel fee 62%
Delta
$144 $425 No cancel fee N/A
American Airlines
$127 $452 No cancel fee 71%