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Cheap flights Denver — Washington

Denver (DEN, US) Washington (IAD, US)
from $89 2 396 km ~3h 19m 20 flights found 2 airlines cheapest on Wednesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $89 on 02.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 18 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
02 Dec 2026, Wed
Frontier Airlines F9 1450
06:07
DEN Denver International Airport
10:58
IAD Washington Dulles International Airport
4h 51m 1 stop
Kupi.com
$89
View this ticket
17 Dec 2026, Thu
Frontier Airlines F9 3206
17:10
DEN Denver International Airport
23:46
IAD Washington Dulles International Airport
6h 36m 2 stops
Tickets
$133
View this ticket
18 Dec 2026, Fri
United Airlines UA 422
05:33
DEN Denver International Airport
08:59
IAD Washington Dulles International Airport
3h 26m Direct
Farera
$308
View this ticket
01 Dec 2026, Tue
United Airlines UA 2853
22:00
DEN Denver International Airport
01:19
IAD Washington Dulles International Airport
3h 19m Direct
City.Travel
$356
View this ticket
Route characteristics
Distance
2 396 km
Flight time
3h 19m
Time difference
+2h
Minimum price
from $89 (02.12.2026)
Average price
$136
Maximum price
$356
Departures per week
2
Cheapest day
Wednesday
Departure airports (1)
DEN Denver International Airport
Arrival airports (1)
IAD Washington Dulles International Airport
Airlines (2)
F9 Frontier Airlines UA United Airlines
Agencies (7)
Kupi.com Farera Tickets Clickavia Trip.com Flightnetwork City.Travel
Prices by day of week
Tuesday
$356
avg $356
Wednesday
$89
avg $89
Cheapest
Thursday
$133
avg $133
Friday
$308
avg $308
Airlines — cheapest prices 2
Frontier Airlines
Frontier Airlines
Low-cost 10 flights · 10 days
$89
United Airlines
United Airlines
10 flights · 10 days
$251
Where to buy tickets 7
Kupi.com
3 tickets · 3 days
from $89
Farera
8 tickets · 8 days
from $126
Tickets
1 tickets · 1 days
from $133
Clickavia
4 tickets · 3 days
from $209
Trip.com
1 tickets · 1 days
from $209
Flightnetwork
1 tickets · 1 days
from $243
City.Travel
2 tickets · 2 days
from $356
Airports

From — Denver (1)

  • DEN Denver International Airport

To — Washington (1)

  • IAD Washington Dulles International Airport
Other destinations from Denver
Dallas
US · Hub
Los Angeles
US · Hub
Miami
US · Hub
Seattle
US
Regina
CA
Vancouver
CA
Winnipeg
CA
Saskatoon
CA
Calgary
CA
Boston
US
Atlanta
US · Hub
Cincinnati
US
Frequently asked questions about the route Denver — Washington
How long is the flight from Denver to Washington?
Approximate flight time — 3h 19m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Denver to Washington?
The straight-line distance — 2 396 km.
How much do flights from Denver to Washington cost?
The minimum price over 3 months — from $89 on 02.12.2026.
What is the average ticket price?
The average price — $136. Range: $89 — $356.
What is the time difference between Denver and Washington?
The difference — +2h.
From which airports does Denver operate flights?
From Denver: DEN (Denver International Airport).
To which airports in Washington do flights arrive?
To Washington: IAD (Washington Dulles International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Frontier Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $308. Total direct flights found: 2.
Which day of the week is cheapest?
The cheapest day of the week — Wednesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Denver — Washington

Flights Denver — Washington is a popular route. The straight-line distance is 2 396 km. Flight time 3h 19m. Time difference +2h.

From Denver (DEN) flights depart from 1 airport: DEN. To Washington (IAD) — 1 arrival airport: IAD.

2 airlines operate on this route: Frontier Airlines, United Airlines.

The minimum price for the next 3 months — from $89 (02.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $136, ranging from $89 to $356. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Wednesday.

Other destinations in United States from Denver
Dallas
US
Los Angeles
US
Miami
US
Seattle
US
Boston
US
Atlanta
US
Cincinnati
US
Memphis
US

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