Cheap flights from Denver to Washington

One-way fares from $161 · DEN → WAS · prices found by travellers in the last 48 hours

Compare all dates Washington → Denver
Cheapest fare
$161

Frontier Airlines · Tue, Nov 10

Cheapest month
November

from $161

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 53m

2,400 km

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Cheapest month to fly from Denver to Washington

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $161

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart10:40 Tue, Nov 10DEN → IAD 5h 59m · 1 stop
$161one way, per person
View deal
Frontier Airlines
Depart21:19 Mon, Nov 16DEN → IAD 4h 53m · 1 stop
$161one way, per person
View deal
Frontier Airlines
Depart11:21 Fri, Nov 6DEN → BWI 5h 55m · 1 stop
$195one way, per person
View deal
Frontier Airlines
Depart18:58 Sun, Nov 8DEN → IAD 5h 51m · 1 stop
$200one way, per person
View deal
Frontier Airlines
Depart11:21 Mon, Nov 9DEN → BWI 5h 55m · 1 stop
$200one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Washington

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in WashingtonCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in WashingtonTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in WashingtonPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in WashingtonCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Denver to Washington

Denver (DEN) and Washington (WAS) are about 2,400 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 53m. Over the next few months, one-way fares start from $161, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Denver to Washington?

The cheapest one-way fare we've seen recently is $161 with Frontier Airlines, departing Tuesday, November 10, 2026.

What is the cheapest month to fly from Denver to Washington?

November 2026 currently has the lowest fares, from $161 one way.

Are there direct flights from Denver to Washington?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Denver to Washington?

The quickest journey we've seen takes about 4h 53m. Denver and Washington are around 2,400 km apart.

Which airlines fly from Denver to Washington?

Recent fares on this route were with Frontier Airlines.

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