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)

All the information you need to plan the best ONT to WAS flight in 2021: compare Ontario to Washington flight prices with the expected peak season, weather and rainfall in Washington.
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

$141

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 43 days before your planned departure. Booking around this time can save you about 14% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $262 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $293.

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

Flights from Ontario to Washington lean towards being more expensive in June. Prices are generally better when you fly from Ontario to Washington in August, with the cheapest ticket starting at $90.

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 47% on the cost of your flight, compared to a flight at noon.

Cheap flights from Ontario to Washington in June, July 2021

The best prices found for ONT to WAS flights for June, July
22 Jul - 21 Aug
$212pp
ONT
Ontario
Frontier
   
2 STOPS
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
ONT
Ontario
27 Jul - 25 Aug
$237pp
ONT
Ontario
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
ONT
Ontario
23 Jul - 27 Jul
$262pp
ONT
Ontario
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
ONT
Ontario

Ontario to Washington 2021 flight deals

Cheap flights to Washington from Ontario found for this year
3 Aug - 14 Aug
$187pp
ONT
Ontario
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
ONT
Ontario
10 Aug - 14 Aug
$189pp
ONT
Ontario
Frontier
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
 
1 STOP
ONT
Ontario
12 Aug - 16 Aug
$203pp
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
26 Jun - 29 Jun
$355pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
ONT
Ontario
27 Jun - 29 Jun
$370pp
ONT
Ontario
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
ONT
Ontario
26 Jun - 29 Jun
$377pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Frontier
     
3 STOPS
ONT
Ontario

One-way flights to Washington from Ontario

The cheapest one-way flights from Ontario to Washington
5:25 pm - 4:28 am
American Airlines
1 Stop
8h 03m
ONT - DCA
American Airlines
4:20 am - 4:37 pm
United Airlines
1 Stop
9h 17m
ONT - IAD
United Airlines
$143
United
3:00 am - 4:25 pm
Delta
2 Stops
10h 25m
ONT - DCA
Delta
$157
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Washington</span> 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 is one of them. 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.

What airport do you fly from for flights from Ontario to Washington?

If you book a flight to Washington from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Washington per day from 7 different airlines.

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 Frontier for just $187, but on average you can expect to pay $219.

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 $400?

There are currently 20+ open flights from Ontario to Washington within the next 7 days for less than $400.

What days are nonstop flights available from Ontario to Washington?

Nonstop flights are available for this route on the following days: Monday, 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 56m. American Airlines provides one of the quickest options available for as low as $285. This flight may include one or multiple stops.

What are the cheapest airlines flying from Ontario to Washington round-trip?

Currently priced at $187, Frontier will fly you from Ontario to Washington and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $245. Users have found that Frontier is 45% 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 $89 on Frontier. Other airlines that offer cheap prices include United Airlines from $123 and American Airlines from $141 one-way.

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Ontario to Washington.
Average temperature for June in Washington
86.0 °F
Avg rainfall for June in Washington
4.2 ″

Airports servicing Ontario

Airports servicing Washington

Reagan National (DCA)

Top 7 airlines flying 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%
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