$93+ Cheap flights from District of Columbia to Ontario (ONT)

If you book a flight to Ontario from District of Columbia, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

Yes, there are multiple flights from District of Columbia to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $186, but on average you can expect to pay $349.

There are currently 8+ open flights from District of Columbia to Ontario within the next 7 days for less than $300.

The cheapest airlines for a one-way flight from District of Columbia to Ontario are Frontier ($93), Delta ($163), and Alaska Airlines ($186).

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Washington, D.C. Dulles Intl Airport to Ontario Airport flight would often be abbreviated as a IAD to ONT flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

The amount of baggage you can bring on your District of Columbia to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter District of Columbia to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on District of Columbia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Ontario.

Yes. Cheapflights offers flight deals from District of Columbia to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from District of Columbia to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on District of Columbia to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The District of Columbia to Ontario flight deals you see on this page were last updated on 11/5.

Currently, September is the cheapest month in which you can book a flight from District of Columbia to Ontario (average of $236). Flying from District of Columbia to Ontario in December is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.