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Air Canada, United Airlines and Avianca have all waived their change and cancellation fees on flights from District of Columbia to Ottawa. Confirm policies on booking site.
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Ottawa.
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ottawa from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ottawa with an airline and back to District of Columbia with another airline.
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ottawa from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.