Cheap flights from Ontario (ONT) to Washington, D.C. (WAS)
The best prices from Ontario to Washington, D.C. are usually found in September or August, booked 32 days in advance, depart on a Thursday or Saturday and return on a Wednesday
How to find the cheapest flight from Ontario to Washington, D.C.
All the information you need to plan the best ONT to WAS flight in 2022: compare Ontario to Washington, D.C. flight prices with the expected peak season, weather and rainfall in Washington, D.C..
ONT - WAS Price | $229 - $460 |
|---|---|
WAS Temperature | 35.6 - 80.6 °F |
WAS Rainfall | 2.6 - 4 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, D.C. (WAS) |
| One-way from | $218 | One-way flight from Ontario to Washington, D.C. (WAS) |
What is the cheapest day to fly round-trip from Ontario to Washington, D.C.?
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, D.C.. 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, D.C.?
Find a great deal and save up to 10% by booking at least 23 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Washington, D.C. within the next two weeks, with the cheapest ticket starting at $289.
What is the cheapest month to fly from Ontario to Washington, D.C.?
The best pricing can be found in the month of August. Prices to Washington, D.C. from Ontario average $290. You can even find prices in August for less than $290, as users have found deals to Washington, D.C. from as low as $128. The month of December appears to be one of the more expensive times to travel to Washington, D.C. from Ontario. Flying in the targeted month can save you up to 30%.
When is the cheapest time to fly from Ontario to Washington, D.C. (ONT - WAS)?
It’s typically best to fly out from Ontario to Washington, D.C. in the afternoon. Doing so could potentially save you 46% on the flight price compared to flying in the morning, which is usually more expensive.
Cheap flights from Ontario to Washington, D.C. in May, June 2022
The best prices found for ONT to WAS flights for May, June
Ontario
Washington, D.C. Reagan-National
1 stop
18h 50mWashington, D.C. Reagan-National
Ontario
1 stop
16h 28mFrontier
Ontario
Washington, D.C. Reagan-National
1 stop
13h 50mWashington, D.C. Reagan-National
Ontario
1 stop
15h 34mFrontier
Ontario
Washington, D.C. Reagan-National
1 stop
20h 04mWashington, D.C. Reagan-National
Ontario
1 stop
14h 43mFrontier
Ontario to Washington, D.C. 2022 flight deals
Cheap flights to Washington, D.C. from Ontario found for this year
Ontario
Washington, D.C. Reagan-National
1 stop
18h 50mWashington, D.C. Reagan-National
Ontario
1 stop
16h 28mFrontier
Ontario
Washington, D.C. Reagan-National
1 stop
13h 50mWashington, D.C. Reagan-National
Ontario
1 stop
15h 34mFrontier
Ontario
Washington, D.C. Reagan-National
1 stop
20h 04mWashington, D.C. Reagan-National
Ontario
1 stop
14h 43mFrontier
Cheap American Airlines flights from Ontario to Washington, D.C.
Ontario
Washington, D.C. Dulles Intl
1 stop
9h 05mWashington, D.C. Dulles Intl
Ontario
1 stop
9h 51mAmerican Airlines
Ontario
Baltimore/Washington
1 stop
9h 52mBaltimore/Washington
Ontario
1 stop
7h 19mAmerican Airlines
Ontario
Baltimore/Washington
1 stop
9h 52mBaltimore/Washington
Ontario
2 stops
11h 56mAmerican Airlines
Cheap United Airlines flights from Ontario to Washington, D.C.
Ontario
Washington, D.C. Dulles Intl
2 stops
16h 25mWashington, D.C. Dulles Intl
Ontario
1 stop
9h 23mUnited Airlines
Ontario
Washington, D.C. Dulles Intl
1 stop
7h 42mWashington, D.C. Dulles Intl
Ontario
1 stop
9h 09mUnited Airlines
Ontario
Baltimore/Washington
2 stops
20h 08mBaltimore/Washington
Ontario
1 stop
18h 24mUnited Airlines
Last minute flights from Ontario to Washington, D.C.
Late deals on return flights to Washington, D.C. from Ontario, departing today and this week
Ontario
Washington, D.C. Reagan-National
1 stop
13h 50mWashington, D.C. Reagan-National
Ontario
1 stop
15h 34mFrontier
Ontario
Washington, D.C. Reagan-National
1 stop
13h 50mWashington, D.C. Reagan-National
Ontario
1 stop
9h 25mFrontier
Ontario
Washington, D.C. Reagan-National
1 stop
22h 50mWashington, D.C. Reagan-National
Ontario
1 stop
9h 20mFrontier
One-way flights to Washington, D.C. All airports from Ontario
The cheapest one-way flights from Ontario to Washington, D.C.
Ontario
Baltimore/Washington
1 stop
12h 57mFrontier
Ontario
Baltimore/Washington
1 stop
12h 57mFrontier
Ontario
Baltimore/Washington
1 stop
12h 43mFrontier
Related info for your journey
Useful info, stats and facts about Ontario to Washington, D.C. flights.
What airport do you fly from for flights from Ontario to Washington, D.C.?
If you book a flight to Washington, D.C. 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, D.C. per day from 8 different airlines.
Which airlines flying from Ontario to Washington, D.C. have flexible cancellations due to COVID-19?
Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, United Airlines, and Delta flying from Ontario to Washington, D.C. have implemented new flexible cancellation policies.
Can I find flights from Ontario to Washington, D.C. for under $400 on Cheapflights?
Yes, there are multiple flights from Ontario to Washington, D.C. for under $400. The cheapest flight booked recently is on Frontier for just $366, but on average you can expect to pay $418.
Are there last-minute flights available from Ontario to Washington, D.C. for under $300?
There are currently 20+ open flights from Ontario to Washington, D.C. within the next 7 days for less than $300.
What are the cheapest airlines flying from Ontario to Washington, D.C. round-trip?
Cheapflights users have booked flights from Ontario to Washington, D.C. round-trip from $366. Other airlines that can offer you cheap pricing are United Airlines, from $426, and American Airlines, from $434.
What are the cheapest airlines to fly from Ontario to Washington, D.C. one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $138. Users have also found prices from $217 and $218 on American Airlines and United Airlines, respectively.
What are the most popular routes from Ontario to Washington, D.C.?
When deciding which route to take from Ontario to Washington, D.C. consider Ontario - Washington, D.C. Reagan-National, Ontario - Washington, D.C. Dulles Intl or Ontario - Baltimore/Washington as they are the most popular.
What are the most popular airlines that fly from Ontario to Washington, D.C.?
The most popular airlines flying from Ontario to Washington, D.C. are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.
What are the cheapest flights from Ontario to Washington, D.C.?
While on average a flight from Ontario to Washington, D.C. is generally $674, our data shows the cheapest flight currently is $122. When looking at the most popular route, (Ontario - Washington, D.C. Reagan-National), you can expect to pay $346 for that flight.
Other flights from Ontario
Can I fly to Washington, D.C. from Ontario right now?
Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Washington, D.C..
COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington, D.C..
Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Washington, D.C..
Can I fly back to Ontario from Washington, D.C.?
COVID-19 testing requirements
Visitors from Washington, D.C. must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Ontario.
Quarantine requirements
Visitors from Washington, D.C. are not required to quarantine after entering Ontario.