Cheap Flights from Ottawa to Washington, D.C.
No deal from Ottawa to Washington, D.C. has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Ottawa to Washington, D.C., the lowest round-trip fare we recorded was $302, in September. The typical fare was $370. September was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $416 on Air Canada and United, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/ottawa">from Ottawa</a>, <a href="/to/washington-dc">to Washington, D.C.</a>, or the return direction <a href="/from/washington-dc/to/ottawa">Washington, D.C. to Ottawa</a>.
Latest price we saw: Ottawa to Washington, D.C.
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Ottawa (YOW) to Washington, D.C. (IAD) | $416 | 46.2¢ | Nov 28 – Dec 4 | Air Canada and United | Oct 17 | Check price |
Price history: Ottawa to Washington, D.C.
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $372 | $389 | 6 |
| Sep 2026 | $302 | $357 | 20 |
| Aug 2026 | $317 | $365 | 26 |
Frequently asked questions
How many flight deals from Ottawa to Washington, D.C. are on Sparkflights right now?
There are 0 verified deals from Ottawa to Washington, D.C. on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Ottawa to Washington, D.C.?
The lowest fare we've recorded from Ottawa to Washington, D.C. is $302, based on 52 price observations over 3 months.
How much does a flight from Ottawa to Washington, D.C. cost?
The typical round-trip fare we observed from Ottawa to Washington, D.C. is $370, against a recorded low of $302. These are observations, not quotes.
When is the cheapest month to fly Ottawa to Washington, D.C.?
September was the cheapest month we observed from Ottawa to Washington, D.C. and October the dearest, over 3 months of data.
What is the current price from Ottawa to Washington, D.C.?
The most recent fare our sweep saw from Ottawa to Washington, D.C. is $416, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.