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Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ottawa to Washington. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Ottawa to Washington, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
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Ottawa — Washington
05/23/2026
Departure
Direct flight
UA4455
starting at $372
starting at $372
starting at $264
starting at $273
The route Ottawa — Washington is served by several airlines: United Airlines, Passaredo Linhas Aereas, and Porter Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $264 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Ottawa to Washington departs on 05/18/2026, is operated by Passaredo Linhas Aereas and costs $264
There is no information about the cheapest roundtrip flight from Ottawa to Washington
Fastest flight from Ottawa to Washington takes 4h 21m
There are direct flights on this route 1 day a week: Sa
The distance between Ottawa and Washington is 732km (454 miles). There are 9 direct flights from Ottawa to Washington. Ottawa and Washington are in the same time zone. Flights from Ottawa begin at 6:00 AM. The latest flight from Ottawa departs at 7:30 PM
We couldn't find any special offers for flights from Ottawa to Washington
The cheapest flight ticket from Ottawa to Washington according to data for the last 48 hours costs $264
Often the best time to buy tickets from Ottawa to Washington is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ottawa to Washington can be found flying in these months: May.
The fastest flights from Ottawa to Washington start from 4 hours 21 minutes in the air.
The following airlines operate direct flights on the route Ottawa — Washington: United Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Ottawa to Washington
