starting at $331
starting at $357
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.
The minimum one-way ticket price from Ottawa to Washington is $204 (November 2026), while the maximum is $331 (October 2026). On average, a ticket costs $268–$331.
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.
The route Ottawa — Washington is served by several airlines: United Airlines and Air Canada. 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 $331 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.
starting at $331
starting at $357
Ottawa — Washington
10/09/2026
Departure
Direct flight
UA8486
starting at $478
Ottawa — Washington
10/10/2026
Departure
Direct flight
UA4455
starting at $443
Ottawa — Washington
10/12/2026
Departure
Direct flight
UA4455
starting at $367
Ottawa — Washington
10/13/2026
Departure
Direct flight
UA8486
starting at $431
There are most likely no direct flights on the Ottawa — Washington route
The cheapest flight ticket from Ottawa to Washington according to data for the last 48 hours costs $331
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: November, October.
The fastest flights from Ottawa to Washington start from 1 hour 43 minutes in the air.
The following airlines operate direct flights on the route Ottawa — Washington: United Airlines
All airports
The cheapest one-way flight from Ottawa to Washington departs on 10/10/2026, is operated by United Airlines and costs $331
The cheapest roundtrip flight from Ottawa to Washington departs on 05/05/2027, is operated by Passaredo Linhas Aereas and costs $338
Fastest flight from Ottawa to Washington takes 1h 43m
There are direct flights on this route 4 days a week: Mo, Tu, Fr, and Sa
The distance between Ottawa and Washington is 732km (454 miles). There are 58 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