Cheap Flights from Denver to Washington, D.C.
No deal from Denver to Washington, D.C. has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Denver to Washington, D.C., the lowest round-trip fare we recorded was $148, in September. The typical fare was $235. September was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $231 on Frontier, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/denver">from Denver</a>, <a href="/to/washington-dc">to Washington, D.C.</a>, or the return direction <a href="/from/washington-dc/to/denver">Washington, D.C. to Denver</a>.
Latest price we saw: Denver 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 |
|---|---|---|---|---|---|---|
| Denver (DEN) to Washington, D.C. (IAD) | $231 | 8.0¢ | Nov 30 – Dec 7 | Frontier | Oct 16 | Check price |
Price history: Denver to Washington, D.C.
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $231 | $307 | 28 |
| Sep 2026 | $148 | $179 | 44 |
| Aug 2026 | $170 | $236 | 272 |
| Jul 2026 | $218 | $218 | 1 |
Frequently asked questions
How many flight deals from Denver to Washington, D.C. are on Sparkflights right now?
There are 0 verified deals from Denver to Washington, D.C. on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Denver to Washington, D.C.?
The lowest fare we've recorded from Denver to Washington, D.C. is $148, based on 345 price observations over 4 months.
How much does a flight from Denver to Washington, D.C. cost?
The typical round-trip fare we observed from Denver to Washington, D.C. is $235, against a recorded low of $148. These are observations, not quotes.
When is the cheapest month to fly Denver to Washington, D.C.?
September was the cheapest month we observed from Denver to Washington, D.C. and October the dearest, over 4 months of data.
What is the current price from Denver to Washington, D.C.?
The most recent fare our sweep saw from Denver to Washington, D.C. is $231, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.